Attachment 130949 Details for Bug 100440 – demsgAfterTestdisplay

demsgAfterTestdisplay

demsgAfterTestdisplay (text/plain), 496.81 KB, created by Luis Botello on 2017-04-20 17:38:42 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Luis Botello

Created: 2017-04-20 17:38:42 UTC

Size: 496.81 KB

patch

obsolete

>[    0.000000] Linux version 4.11.0-rc7-drm-tip-ww16-commit-1b75708+ (gfx@bifrost) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.4) ) #1 SMP PREEMPT Wed Apr 19 14:14:59 CDT 2017
>[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.11.0-rc7-drm-tip-ww16-commit-1b75708+ root=UUID=2a8388ef-fcb0-4ae0-964a-bd124748729c ro quiet splash drm.debug=0xe i915.enable_guc_loading=2 i915.enable_guc_submission=2 i915.alpha_support=1 log_buf_len=4M vt.handoff=7
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'
>[    0.000000] x86/fpu: xstate_offset[3]:  576, xstate_sizes[3]:   64
>[    0.000000] x86/fpu: xstate_offset[4]:  640, xstate_sizes[4]:   64
>[    0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format.
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000057fff] usable
>[    0.000000] BIOS-e820: [mem 0x0000000000058000-0x0000000000059fff] reserved
>[    0.000000] BIOS-e820: [mem 0x000000000005a000-0x000000000009dfff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009e000-0x00000000000fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable
>[    0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012151fff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000012152000-0x0000000076d31fff] usable
>[    0.000000] BIOS-e820: [mem 0x0000000076d32000-0x0000000076f71fff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000076f72000-0x0000000077061fff] type 20
>[    0.000000] BIOS-e820: [mem 0x0000000077062000-0x0000000079a61fff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000079a62000-0x0000000079ac1fff] ACPI NVS
>[    0.000000] BIOS-e820: [mem 0x0000000079ac2000-0x0000000079b01fff] ACPI data
>[    0.000000] BIOS-e820: [mem 0x0000000079b02000-0x000000007abfffff] usable
>[    0.000000] BIOS-e820: [mem 0x000000007ac00000-0x000000007fffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000a121a000-0x00000000a121afff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000fed01000-0x00000000fed01fff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] efi: EFI v2.60 by EDK II
>[    0.000000] efi:  SMBIOS=0x76f6e000  SMBIOS 3.0=0x76f6c000  ACPI=0x79b01000  ACPI 2.0=0x79b01014  ESRT=0x79a21000 
>[    0.000000] SMBIOS 3.0.0 present.
>[    0.000000] DMI: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>[    0.000000] e820: last_pfn = 0x180000 max_arch_pfn = 0x400000000
>[    0.000000] MTRR default type: uncachable
>[    0.000000] MTRR fixed ranges enabled:
>[    0.000000]   00000-9FFFF write-back
>[    0.000000]   A0000-BFFFF uncachable
>[    0.000000]   C0000-FFFFF write-protect
>[    0.000000] MTRR variable ranges enabled:
>[    0.000000]   0 base 00FF800000 mask 7FFF800000 write-combining
>[    0.000000]   1 base 0000000000 mask 7F80000000 write-back
>[    0.000000]   2 base 007B000000 mask 7FFF000000 uncachable
>[    0.000000]   3 base 007C000000 mask 7FFC000000 uncachable
>[    0.000000]   4 base 0100000000 mask 7F80000000 write-back
>[    0.000000]   5 disabled
>[    0.000000]   6 disabled
>[    0.000000]   7 disabled
>[    0.000000]   8 disabled
>[    0.000000]   9 disabled
>[    0.000000] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WC  UC- WT  
>[    0.000000] e820: last_pfn = 0x7ac00 max_arch_pfn = 0x400000000
>[    0.000000] esrt: ESRT header is not in the memory map.
>[    0.000000] Base memory trampoline at [ffff880000098000] 98000 size 24576
>[    0.000000] Using GB pages for direct mapping
>[    0.000000] BRK [0x056b4000, 0x056b4fff] PGTABLE
>[    0.000000] BRK [0x056b5000, 0x056b5fff] PGTABLE
>[    0.000000] BRK [0x056b6000, 0x056b6fff] PGTABLE
>[    0.000000] BRK [0x056b7000, 0x056b7fff] PGTABLE
>[    0.000000] BRK [0x056b8000, 0x056b8fff] PGTABLE
>[    0.000000] BRK [0x056b9000, 0x056b9fff] PGTABLE
>[    0.000000] log_buf_len: 4194304 bytes
>[    0.000000] early log buf free: 257664(98%)
>[    0.000000] Secure boot could not be determined
>[    0.000000] RAMDISK: [mem 0x3695a000-0x374a4fff]
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x0000000079B01014 000024 (v02 INTEL )
>[    0.000000] ACPI: XSDT 0x0000000079AD2188 0000FC (v01 INTEL  EDK2     00000003 BRXT 01000013)
>[    0.000000] ACPI: FACP 0x0000000079AF9000 00010C (v05 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: DSDT 0x0000000079AE3000 00E7B5 (v02 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: FACS 0x0000000079AAF000 000040
>[    0.000000] ACPI: UEFI 0x0000000079AB8000 000042 (v01 INTEL  EDK2     00000002 BRXT 01000013)
>[    0.000000] ACPI: SSDT 0x0000000079AFF000 0003E9 (v02 INTEL  Tpm2Tabl 00001000 INTL 20160527)
>[    0.000000] ACPI: TPM2 0x0000000079AFE000 000034 (v03                 00000000      00000000)
>[    0.000000] ACPI: BDAT 0x0000000079AFD000 000030 (v02                 00000000      00000000)
>[    0.000000] ACPI: HPET 0x0000000079AF8000 000038 (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: LPIT 0x0000000079AF7000 00005C (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: APIC 0x0000000079AF6000 000084 (v03 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: MCFG 0x0000000079AF5000 00003C (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: NPKT 0x0000000079AF4000 000065 (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: PRAM 0x0000000079AF3000 000030 (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: WSMT 0x0000000079AF2000 000028 (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: SSDT 0x0000000079ADF000 003EA7 (v02 INTEL  DptfTab  00000003 BRXT 0100000D)
>[    0.000000] ACPI: SSDT 0x0000000079AD9000 0059F0 (v02 INTEL  RVPRtd3  00000003 BRXT 0100000D)
>[    0.000000] ACPI: SSDT 0x0000000079AD7000 0010B3 (v02 INTEL  UsbCTabl 00000003 BRXT 0100000D)
>[    0.000000] ACPI: SSDT 0x0000000079AD5000 001524 (v01 Intel_ Platform 00001000 INTL 20160527)
>[    0.000000] ACPI: SSDT 0x0000000079AD4000 0000B1 (v01 Intel_ ADebTabl 00001000 INTL 20160527)
>[    0.000000] ACPI: SSDT 0x0000000079AD3000 0003F7 (v02 PmRef  Cpu0Ist  00003000 INTL 20160527)
>[    0.000000] ACPI: SSDT 0x0000000079B00000 000775 (v02 CpuRef CpuSsdt  00003000 INTL 20160527)
>[    0.000000] ACPI: SSDT 0x0000000079AD1000 000388 (v02 PmRef  Cpu0Tst  00003000 INTL 20160527)
>[    0.000000] ACPI: SSDT 0x0000000079AD0000 0001E6 (v02 PmRef  ApTst    00003000 INTL 20160527)
>[    0.000000] ACPI: SSDT 0x0000000079ACD000 002939 (v02 SaSsdt SaSsdt   00003000 INTL 20160527)
>[    0.000000] ACPI: FPDT 0x0000000079ACC000 000044 (v01 INTEL  EDK2     00000002 BRXT 01000013)
>[    0.000000] ACPI: DBGP 0x0000000079AFB000 000034 (v01 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: DBG2 0x0000000079AFC000 000072 (v00 INTEL  EDK2     00000003 BRXT 0100000D)
>[    0.000000] ACPI: WDAT 0x0000000079AFA000 000104 (v01                 00000000      00000000)
>[    0.000000] ACPI: NHLT 0x0000000079ACA000 001A50 (v00 INTEL  EDK2     00000002 BRXT 01000013)
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
>[    0.000000]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
>[    0.000000]   Normal   [mem 0x0000000100000000-0x000000017fffffff]
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x0000000000001000-0x0000000000057fff]
>[    0.000000]   node   0: [mem 0x000000000005a000-0x000000000009dfff]
>[    0.000000]   node   0: [mem 0x0000000000100000-0x000000000fffffff]
>[    0.000000]   node   0: [mem 0x0000000012152000-0x0000000076d31fff]
>[    0.000000]   node   0: [mem 0x0000000079b02000-0x000000007abfffff]
>[    0.000000]   node   0: [mem 0x0000000100000000-0x000000017fffffff]
>[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff]
>[    0.000000] On node 0 totalpages: 1006713
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 23 pages reserved
>[    0.000000]   DMA zone: 3995 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 7476 pages used for memmap
>[    0.000000]   DMA32 zone: 478430 pages, LIFO batch:31
>[    0.000000]   Normal zone: 8192 pages used for memmap
>[    0.000000]   Normal zone: 524288 pages, LIFO batch:31
>[    0.000000] Reserving Intel graphics memory at 0x000000007c000000-0x000000007fffffff
>[    0.000000] ACPI: PM-Timer IO Port: 0x408
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high level lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high level lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] high level lint[0x1])
>[    0.000000] IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-119
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
>[    0.000000] ACPI: IRQ0 used by override.
>[    0.000000] ACPI: IRQ9 used by override.
>[    0.000000] Using ACPI (MADT) for SMP configuration information
>[    0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
>[    0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
>[    0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x00058000-0x00059fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x000fffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x10000000-0x12151fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x76d32000-0x76f71fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x76f72000-0x77061fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x77062000-0x79a61fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x79a62000-0x79ac1fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x79ac2000-0x79b01fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x7ac00000-0x7fffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x80000000-0xa1219fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xa121a000-0xa121afff]
>[    0.000000] PM: Registered nosave memory: [mem 0xa121b000-0xdfffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xe3ffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xe4000000-0xfed00fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed01000-0xfed01fff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfed02000-0xffffffff]
>[    0.000000] e820: [mem 0xa121b000-0xdfffffff] available for PCI devices
>[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
>[    0.000000] setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:4 nr_node_ids:1
>[    0.000000] percpu: Embedded 37 pages/cpu @ffff88017f800000 s111944 r8192 d31416 u524288
>[    0.000000] pcpu-alloc: s111944 r8192 d31416 u524288 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 0 1 2 3 
>[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 990958
>[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.11.0-rc7-drm-tip-ww16-commit-1b75708+ root=UUID=2a8388ef-fcb0-4ae0-964a-bd124748729c ro quiet splash drm.debug=0xe i915.enable_guc_loading=2 i915.enable_guc_submission=2 i915.alpha_support=1 log_buf_len=4M vt.handoff=7
>[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
>[    0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
>[    0.000000] Memory: 3791548K/4026852K available (8686K kernel code, 1432K rwdata, 3372K rodata, 1192K init, 22624K bss, 235304K reserved, 0K cma-reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>[    0.000000] Running RCU self tests
>[    0.000000] Preemptible hierarchical RCU implementation.
>[    0.000000] 	RCU lockdep checking is enabled.
>[    0.000000] 	Build-time adjustment of leaf fanout to 64.
>[    0.000000] 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
>[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=4
>[    0.000000] kmemleak: Kernel memory leak detector disabled
>[    0.000000] NR_IRQS:4352 nr_irqs:1024 16
>[    0.000000] Console: colour dummy device 80x25
>[    0.000000] console [tty0] enabled
>[    0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
>[    0.000000] ... MAX_LOCKDEP_SUBCLASSES:  8
>[    0.000000] ... MAX_LOCK_DEPTH:          48
>[    0.000000] ... MAX_LOCKDEP_KEYS:        8191
>[    0.000000] ... CLASSHASH_SIZE:          4096
>[    0.000000] ... MAX_LOCKDEP_ENTRIES:     32768
>[    0.000000] ... MAX_LOCKDEP_CHAINS:      65536
>[    0.000000] ... CHAINHASH_SIZE:          32768
>[    0.000000]  memory used by lock dependency info: 8159 kB
>[    0.000000]  per task-struct memory footprint: 1920 bytes
>[    0.000000] kmemleak: Early log buffer exceeded (2847), please increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE
>[    0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns
>[    0.000000] hpet clockevent registered
>[    0.002000] tsc: PIT calibration matches HPET. 1 loops
>[    0.002000] tsc: Detected 1094.586 MHz processor
>[    0.002000] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400)
>[    0.002000] pid_max: default: 32768 minimum: 301
>[    0.002000] ACPI: Core revision 20170119
>[    0.256034] random: fast init done
>[    0.399071] ACPI Error: Invalid type (RegionField) for target of Scope operator [SSP2] (Cannot override) (20170119/dswload-273)
>[    0.399153] ACPI Exception: AE_AML_OPERAND_TYPE, During name lookup/catalog (20170119/psobject-227)
>[    0.400607] ACPI Exception: AE_AML_OPERAND_TYPE, (SSDT: RVPRtd3) while loading table (20170119/tbxfload-228)
>[    0.475195] ACPI Error: 1 table load failures, 11 successful (20170119/tbxfload-246)
>[    0.476330] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
>[    0.476337] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
>[    0.478461] CPU: Physical Processor ID: 0
>[    0.478467] CPU: Processor Core ID: 0
>[    0.478488] mce: CPU supports 7 MCE banks
>[    0.478572] CPU0: Thermal monitoring enabled (TM1)
>[    0.478644] process: using mwait in idle threads
>[    0.478651] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
>[    0.478655] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
>[    0.479335] Freeing SMP alternatives memory: 32K
>[    0.492105] smpboot: Max logical packages: 1
>[    0.493694] x2apic: IRQ remapping doesn't support X2APIC mode
>[    0.499943] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.510000] TSC deadline timer enabled
>[    0.510000] smpboot: CPU0: Genuine Intel(R) CPU @ 1.10GHz (family: 0x6, model: 0x7a, stepping: 0x0)
>[    0.513115] Performance Events: PEBS fmt3+, generic architected perfmon, full-width counters, Intel PMU driver.
>[    0.513151] ... version:                4
>[    0.513155] ... bit width:              48
>[    0.513159] ... generic registers:      4
>[    0.513164] ... value mask:             0000ffffffffffff
>[    0.513168] ... max period:             00007fffffffffff
>[    0.513172] ... fixed-purpose events:   3
>[    0.513176] ... event mask:             000000070000000f
>[    0.521873] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
>[    0.524024] smp: Bringing up secondary CPUs ...
>[    0.532241] x86: Booting SMP configuration:
>[    0.532256] .... node  #0, CPUs:      #1 #2 #3
>[    0.731313] smp: Brought up 1 node, 4 CPUs
>[    0.731313] smpboot: Total of 4 processors activated (8836.52 BogoMIPS)
>[    0.732919] sched_clock: Marking stable (732000000, 0)->(742552121, -10552121)
>[    0.734676] devtmpfs: initialized
>[    0.737680] PM: Registering ACPI NVS region [mem 0x79a62000-0x79ac1fff] (393216 bytes)
>[    0.740807] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
>[    0.740823] futex hash table entries: 1024 (order: 5, 131072 bytes)
>[    0.741337] xor: measuring software checksum speed
>[    0.751297]    prefetch64-sse:  5628.000 MB/sec
>[    0.761415]    generic_sse:  4820.000 MB/sec
>[    0.761420] xor: using function: prefetch64-sse (5628.000 MB/sec)
>[    0.761453] pinctrl core: initialized pinctrl subsystem
>[    0.768293] NET: Registered protocol family 16
>[    0.771804] cpuidle: using governor menu
>[    0.771819] PCCT header not found.
>[    0.772307] ACPI: bus type PCI registered
>[    0.773074] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000)
>[    0.773176] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820
>[    0.773219] PCI: Using configuration type 1 for base access
>[    0.804814] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[    0.824329] raid6: sse2x1   gen()  2605 MB/s
>[    0.841506] raid6: sse2x1   xor()  1697 MB/s
>[    0.858705] raid6: sse2x2   gen()  3003 MB/s
>[    0.875902] raid6: sse2x2   xor()  1996 MB/s
>[    0.893087] raid6: sse2x4   gen()  3476 MB/s
>[    0.910264] raid6: sse2x4   xor()  1816 MB/s
>[    0.910270] raid6: using algorithm sse2x4 gen() 3476 MB/s
>[    0.910274] raid6: .... xor() 1816 MB/s, rmw enabled
>[    0.910280] raid6: using ssse3x2 recovery algorithm
>[    0.910755] ACPI: Added _OSI(Module Device)
>[    0.910761] ACPI: Added _OSI(Processor Device)
>[    0.910767] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.910772] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.921060] ACPI: Executed 15 blocks of module-level executable AML code
>[    1.153668] ACPI: Dynamic OEM Table Load:
>[    1.153737] ACPI: SSDT 0xFFFF88017A065A88 0001A5 (v02 PmRef  Cpu0Cst  00003001 INTL 20160527)
>[    1.155518] ACPI: Executed 1 blocks of module-level executable AML code
>[    1.164290] ACPI: Dynamic OEM Table Load:
>[    1.164372] ACPI: SSDT 0xFFFF88017A066478 0001E6 (v02 PmRef  ApIst    00003000 INTL 20160527)
>[    1.167631] ACPI: Executed 1 blocks of module-level executable AML code
>[    1.169535] ACPI: Dynamic OEM Table Load:
>[    1.169599] ACPI: SSDT 0xFFFF88017A0786F8 0000C9 (v02 PmRef  ApCst    00003000 INTL 20160527)
>[    1.171043] ACPI: Executed 1 blocks of module-level executable AML code
>[    1.219019] ACPI : EC: EC started
>[    1.219032] ACPI : EC: interrupt blocked
>[    1.394076] ACPI: \_SB_.PCI0.LPCB.H_EC: Used as first EC
>[    1.394097] ACPI: \_SB_.PCI0.LPCB.H_EC: GPE=0x25, EC_CMD/EC_SC=0x66, EC_DATA=0x62
>[    1.394116] ACPI: \_SB_.PCI0.LPCB.H_EC: Used as boot DSDT EC to handle transactions
>[    1.394125] ACPI: Interpreter enabled
>[    1.394425] ACPI: (supports S0 S3 S4 S5)
>[    1.394431] ACPI: Using IOAPIC for interrupt routing
>[    1.394969] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    1.488197] ACPI: Power Resource [PXP] (on)
>[    2.190213] ACPI: Power Resource [FN00] (on)
>[    2.239514] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>[    2.239556] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
>[    2.261229] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability]
>[    2.261282] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge
>[    2.263533] PCI host bridge to bus 0000:00
>[    2.263549] pci_bus 0000:00: root bus resource [io  0x0070-0x0077]
>[    2.263563] pci_bus 0000:00: root bus resource [io  0x0000-0x006f window]
>[    2.263575] pci_bus 0000:00: root bus resource [io  0x0078-0x0cf7 window]
>[    2.263587] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
>[    2.263599] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>[    2.263611] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff window]
>[    2.263623] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000fffff window]
>[    2.263634] pci_bus 0000:00: root bus resource [mem 0x7c000001-0x7fffffff window]
>[    2.263646] pci_bus 0000:00: root bus resource [mem 0x80000000-0xbfffffff window]
>[    2.263657] pci_bus 0000:00: root bus resource [mem 0xe0000000-0xefffffff window]
>[    2.263668] pci_bus 0000:00: root bus resource [mem 0xfea00000-0xfeafffff window]
>[    2.263680] pci_bus 0000:00: root bus resource [mem 0xfed00000-0xfed003ff window]
>[    2.263691] pci_bus 0000:00: root bus resource [mem 0xfed01000-0xfed01fff window]
>[    2.263702] pci_bus 0000:00: root bus resource [mem 0xfed03000-0xfed03fff window]
>[    2.263713] pci_bus 0000:00: root bus resource [mem 0xfed06000-0xfed06fff window]
>[    2.263724] pci_bus 0000:00: root bus resource [mem 0xfed08000-0xfed09fff window]
>[    2.263735] pci_bus 0000:00: root bus resource [mem 0xfed80000-0xfedbffff window]
>[    2.263746] pci_bus 0000:00: root bus resource [mem 0xfed1c000-0xfed1cfff window]
>[    2.263756] pci_bus 0000:00: root bus resource [mem 0xfee00000-0xfeefffff window]
>[    2.263770] pci_bus 0000:00: root bus resource [bus 00-ff]
>[    2.263861] pci 0000:00:00.0: [8086:31f0] type 00 class 0x060000
>[    2.269239] pci 0000:00:00.1: [8086:318c] type 00 class 0x118000
>[    2.269317] pci 0000:00:00.1: reg 0x10: [mem 0x80000000-0x80007fff 64bit]
>[    2.274517] pci 0000:00:00.3: [8086:3190] type 00 class 0x088000
>[    2.274574] pci 0000:00:00.3: reg 0x10: [mem 0xa1218000-0xa1218fff 64bit]
>[    2.279572] pci 0000:00:02.0: [8086:3184] type 00 class 0x030000
>[    2.279615] pci 0000:00:02.0: reg 0x10: [mem 0xa0000000-0xa0ffffff 64bit]
>[    2.279641] pci 0000:00:02.0: reg 0x18: [mem 0x90000000-0x9fffffff 64bit pref]
>[    2.279678] pci 0000:00:02.0: reg 0x20: [io  0x2000-0x203f]
>[    2.285463] pci 0000:00:0e.0: [8086:3198] type 00 class 0x040100
>[    2.285528] pci 0000:00:0e.0: reg 0x10: [mem 0xa1210000-0xa1213fff 64bit]
>[    2.285633] pci 0000:00:0e.0: reg 0x20: [mem 0xa1000000-0xa10fffff 64bit]
>[    2.285900] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold
>[    2.295322] pci 0000:00:0e.0: System wakeup disabled by ACPI
>[    2.295852] pci 0000:00:0f.0: [8086:319a] type 00 class 0x078000
>[    2.295945] pci 0000:00:0f.0: reg 0x10: [mem 0xa1219000-0xa1219fff 64bit]
>[    2.296303] pci 0000:00:0f.0: PME# supported from D3hot
>[    2.301165] pci 0000:00:11.0: [8086:31a2] type 00 class 0x005007
>[    2.301263] pci 0000:00:11.0: reg 0x10: [mem 0xa1214000-0xa1215fff 64bit]
>[    2.301315] pci 0000:00:11.0: reg 0x18: [mem 0xa121c000-0xa121cfff 64bit]
>[    2.307017] pci 0000:00:12.0: [8086:31e3] type 00 class 0x010601
>[    2.307068] pci 0000:00:12.0: reg 0x10: [mem 0xa1216000-0xa1217fff]
>[    2.307095] pci 0000:00:12.0: reg 0x14: [mem 0xa1241000-0xa12410ff]
>[    2.307135] pci 0000:00:12.0: reg 0x18: [io  0x2080-0x2087]
>[    2.307162] pci 0000:00:12.0: reg 0x1c: [io  0x2088-0x208b]
>[    2.307189] pci 0000:00:12.0: reg 0x20: [io  0x2060-0x207f]
>[    2.307216] pci 0000:00:12.0: reg 0x24: [mem 0xa123f000-0xa123f7ff]
>[    2.307451] pci 0000:00:12.0: PME# supported from D3hot
>[    2.312392] pci 0000:00:13.0: [8086:31da] type 01 class 0x060400
>[    2.312732] pci 0000:00:13.0: PME# supported from D0 D3hot D3cold
>[    2.317364] pci 0000:00:13.0: System wakeup disabled by ACPI
>[    2.317932] pci 0000:00:15.0: [8086:31a8] type 00 class 0x0c0330
>[    2.317996] pci 0000:00:15.0: reg 0x10: [mem 0xa1200000-0xa120ffff 64bit]
>[    2.318301] pci 0000:00:15.0: PME# supported from D3hot D3cold
>[    2.323139] pci 0000:00:15.0: System wakeup disabled by ACPI
>[    2.323687] pci 0000:00:16.0: [8086:31ac] type 00 class 0x118000
>[    2.323754] pci 0000:00:16.0: reg 0x10: [mem 0xa121d000-0xa121dfff 64bit]
>[    2.323815] pci 0000:00:16.0: reg 0x18: [mem 0xa121e000-0xa121efff 64bit]
>[    2.329004] pci 0000:00:16.1: [8086:31ae] type 00 class 0x118000
>[    2.329087] pci 0000:00:16.1: reg 0x10: [mem 0xa121f000-0xa121ffff 64bit]
>[    2.329133] pci 0000:00:16.1: reg 0x18: [mem 0xa1220000-0xa1220fff 64bit]
>[    2.334290] pci 0000:00:16.2: [8086:31b0] type 00 class 0x118000
>[    2.334357] pci 0000:00:16.2: reg 0x10: [mem 0xa1221000-0xa1221fff 64bit]
>[    2.334420] pci 0000:00:16.2: reg 0x18: [mem 0xa1222000-0xa1222fff 64bit]
>[    2.339606] pci 0000:00:16.3: [8086:31b2] type 00 class 0x118000
>[    2.339672] pci 0000:00:16.3: reg 0x10: [mem 0xa1223000-0xa1223fff 64bit]
>[    2.339736] pci 0000:00:16.3: reg 0x18: [mem 0xa1224000-0xa1224fff 64bit]
>[    2.344867] pci 0000:00:17.0: [8086:31b4] type 00 class 0x118000
>[    2.344949] pci 0000:00:17.0: reg 0x10: [mem 0xa1225000-0xa1225fff 64bit]
>[    2.344992] pci 0000:00:17.0: reg 0x18: [mem 0xa1226000-0xa1226fff 64bit]
>[    2.350142] pci 0000:00:17.1: [8086:31b6] type 00 class 0x118000
>[    2.350209] pci 0000:00:17.1: reg 0x10: [mem 0xa1227000-0xa1227fff 64bit]
>[    2.350268] pci 0000:00:17.1: reg 0x18: [mem 0xa1228000-0xa1228fff 64bit]
>[    2.355419] pci 0000:00:17.2: [8086:31b8] type 00 class 0x118000
>[    2.355504] pci 0000:00:17.2: reg 0x10: [mem 0xa1229000-0xa1229fff 64bit]
>[    2.355564] pci 0000:00:17.2: reg 0x18: [mem 0xa122a000-0xa122afff 64bit]
>[    2.360650] pci 0000:00:17.3: [8086:31ba] type 00 class 0x118000
>[    2.360716] pci 0000:00:17.3: reg 0x10: [mem 0xa122b000-0xa122bfff 64bit]
>[    2.360759] pci 0000:00:17.3: reg 0x18: [mem 0xa122c000-0xa122cfff 64bit]
>[    2.365917] pci 0000:00:18.0: [8086:31bc] type 00 class 0x118000
>[    2.365982] pci 0000:00:18.0: reg 0x10: [mem 0xa122d000-0xa122dfff 64bit]
>[    2.366043] pci 0000:00:18.0: reg 0x18: [mem 0xa122e000-0xa122efff 64bit]
>[    2.371191] pci 0000:00:18.1: [8086:31be] type 00 class 0x118000
>[    2.371258] pci 0000:00:18.1: reg 0x10: [mem 0xa122f000-0xa122ffff 64bit]
>[    2.371301] pci 0000:00:18.1: reg 0x18: [mem 0xa1230000-0xa1230fff 64bit]
>[    2.376490] pci 0000:00:18.3: [8086:31ee] type 00 class 0x118000
>[    2.376569] pci 0000:00:18.3: reg 0x10: [mem 0xa1231000-0xa1231fff 64bit]
>[    2.376612] pci 0000:00:18.3: reg 0x18: [mem 0xa1232000-0xa1232fff 64bit]
>[    2.381779] pci 0000:00:19.0: [8086:31c2] type 00 class 0x118000
>[    2.381882] pci 0000:00:19.0: reg 0x10: [mem 0xa1233000-0xa1233fff 64bit]
>[    2.381925] pci 0000:00:19.0: reg 0x18: [mem 0xa1234000-0xa1234fff 64bit]
>[    2.387102] pci 0000:00:19.1: [8086:31c4] type 00 class 0x118000
>[    2.387185] pci 0000:00:19.1: reg 0x10: [mem 0xa1235000-0xa1235fff 64bit]
>[    2.387228] pci 0000:00:19.1: reg 0x18: [mem 0xa1236000-0xa1236fff 64bit]
>[    2.392397] pci 0000:00:19.2: [8086:31c6] type 00 class 0x118000
>[    2.392462] pci 0000:00:19.2: reg 0x10: [mem 0xa1237000-0xa1237fff 64bit]
>[    2.392521] pci 0000:00:19.2: reg 0x18: [mem 0xa1238000-0xa1238fff 64bit]
>[    2.397707] pci 0000:00:1b.0: [8086:31ca] type 00 class 0x080501
>[    2.397790] pci 0000:00:1b.0: reg 0x10: [mem 0xa1239000-0xa1239fff 64bit]
>[    2.397833] pci 0000:00:1b.0: reg 0x18: [mem 0xa123a000-0xa123afff 64bit]
>[    2.403693] pci 0000:00:1c.0: [8086:31cc] type 00 class 0x080501
>[    2.403760] pci 0000:00:1c.0: reg 0x10: [mem 0xa123b000-0xa123bfff 64bit]
>[    2.403822] pci 0000:00:1c.0: reg 0x18: [mem 0xa123c000-0xa123cfff 64bit]
>[    2.409521] pci 0000:00:1e.0: [8086:31d0] type 00 class 0x080501
>[    2.409605] pci 0000:00:1e.0: reg 0x10: [mem 0xa123d000-0xa123dfff 64bit]
>[    2.409648] pci 0000:00:1e.0: reg 0x18: [mem 0xa123e000-0xa123efff 64bit]
>[    2.414806] pci 0000:00:1f.0: [8086:3197] type 00 class 0x060100
>[    2.420127] pci 0000:00:1f.1: [8086:31d4] type 00 class 0x0c0500
>[    2.420229] pci 0000:00:1f.1: reg 0x10: [mem 0xa1240000-0xa12400ff 64bit]
>[    2.420369] pci 0000:00:1f.1: reg 0x20: [io  0x2040-0x205f]
>[    2.425712] pci 0000:01:00.0: [10ec:8168] type 00 class 0x020000
>[    2.425771] pci 0000:01:00.0: reg 0x10: [io  0x1000-0x10ff]
>[    2.425849] pci 0000:01:00.0: reg 0x18: [mem 0xa1104000-0xa1104fff 64bit]
>[    2.425888] pci 0000:01:00.0: reg 0x20: [mem 0xa1100000-0xa1103fff 64bit]
>[    2.425929] pci 0000:01:00.0: can't set Max Payload Size to 256; if necessary, use "pci=pcie_bus_safe" and report a bug
>[    2.426260] pci 0000:01:00.0: supports D1 D2
>[    2.426266] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold
>[    2.426760] pci 0000:01:00.0: System wakeup disabled by ACPI
>[    2.430707] pci 0000:00:13.0: PCI bridge to [bus 01]
>[    2.430720] pci 0000:00:13.0:   bridge window [io  0x1000-0x1fff]
>[    2.430731] pci 0000:00:13.0:   bridge window [mem 0xa1100000-0xa11fffff]
>[    2.430765] pci_bus 0000:00: on NUMA node 0
>[    2.550475] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.552470] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.554404] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.556377] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.558372] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.560355] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.562315] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.564274] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 11 12 14 *15), disabled.
>[    2.588276] ACPI: Enabled 2 GPEs in block 00 to 7F
>[    2.589841] ACPI : EC: interrupt unblocked
>[    2.589871] ACPI : EC: event unblocked
>[    2.589910] ACPI: \_SB_.PCI0.LPCB.H_EC: GPE=0x25, EC_CMD/EC_SC=0x66, EC_DATA=0x62
>[    2.589933] ACPI: \_SB_.PCI0.LPCB.H_EC: Used as boot DSDT EC to handle transactions and events
>[    2.591875] pci 0000:00:02.0: vgaarb: setting as boot VGA device
>[    2.591887] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
>[    2.591926] pci 0000:00:02.0: vgaarb: bridge control possible
>[    2.591930] vgaarb: loaded
>[    2.593560] SCSI subsystem initialized
>[    2.594162] libata version 3.00 loaded.
>[    2.594550] ACPI: bus type USB registered
>[    2.594894] usbcore: registered new interface driver usbfs
>[    2.595059] usbcore: registered new interface driver hub
>[    2.595294] usbcore: registered new device driver usb
>[    2.596465] Registered efivars operations
>[    2.609385] Advanced Linux Sound Architecture Driver Initialized.
>[    2.609538] PCI: Using ACPI for IRQ routing
>[    2.620090] PCI: pci_cache_line_size set to 64 bytes
>[    2.620435] e820: reserve RAM buffer [mem 0x00058000-0x0005ffff]
>[    2.620467] e820: reserve RAM buffer [mem 0x0009e000-0x0009ffff]
>[    2.620486] e820: reserve RAM buffer [mem 0x76d32000-0x77ffffff]
>[    2.620503] e820: reserve RAM buffer [mem 0x7ac00000-0x7bffffff]
>[    2.622926] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
>[    2.622967] hpet0: 8 comparators, 64-bit 19.200000 MHz counter
>[    2.625208] clocksource: Switched to clocksource hpet
>[    2.856391] pnp: PnP ACPI init
>[    2.858886] system 00:00: [io  0x06a4] has been reserved
>[    2.858909] system 00:00: [io  0x06a0] has been reserved
>[    2.858951] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.864642] pnp 00:01: disabling [io  0x164e-0x164f] because it overlaps 0000:00:13.0 BAR 7 [io  0x1000-0x1fff]
>[    2.865118] system 00:01: [io  0x0680-0x069f] has been reserved
>[    2.865139] system 00:01: [io  0x0400-0x047f] has been reserved
>[    2.865157] system 00:01: [io  0x0500-0x05fe] has been reserved
>[    2.865175] system 00:01: [io  0x0600-0x061f] has been reserved
>[    2.865251] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.866595] pnp 00:02: Plug and Play ACPI device, IDs PNP0303 (active)
>[    2.956763] system 00:03: [mem 0xe0000000-0xefffffff] could not be reserved
>[    2.956783] system 00:03: [mem 0xfea00000-0xfeafffff] has been reserved
>[    2.956804] system 00:03: [mem 0xfed01000-0xfed01fff] has been reserved
>[    2.956822] system 00:03: [mem 0xfed03000-0xfed03fff] has been reserved
>[    2.956850] system 00:03: [mem 0xfed06000-0xfed06fff] has been reserved
>[    2.956869] system 00:03: [mem 0xfed08000-0xfed09fff] has been reserved
>[    2.956899] system 00:03: [mem 0xfed80000-0xfedbffff] has been reserved
>[    2.956919] system 00:03: [mem 0xfed1c000-0xfed1cfff] has been reserved
>[    2.956937] system 00:03: [mem 0xfee00000-0xfeefffff] has been reserved
>[    2.956956] system 00:03: Plug and Play ACPI device, IDs PNP0c02 (active)
>[    2.964020] pnp 00:04: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    2.973910] pnp: PnP ACPI: found 5 devices
>[    3.013398] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>[    3.013449] pci 0000:00:13.0: PCI bridge to [bus 01]
>[    3.013460] pci 0000:00:13.0:   bridge window [io  0x1000-0x1fff]
>[    3.013492] pci 0000:00:13.0:   bridge window [mem 0xa1100000-0xa11fffff]
>[    3.013517] pci_bus 0000:00: resource 4 [io  0x0070-0x0077]
>[    3.013523] pci_bus 0000:00: resource 5 [io  0x0000-0x006f window]
>[    3.013529] pci_bus 0000:00: resource 6 [io  0x0078-0x0cf7 window]
>[    3.013535] pci_bus 0000:00: resource 7 [io  0x0d00-0xffff window]
>[    3.013541] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window]
>[    3.013546] pci_bus 0000:00: resource 9 [mem 0x000c0000-0x000dffff window]
>[    3.013552] pci_bus 0000:00: resource 10 [mem 0x000e0000-0x000fffff window]
>[    3.013558] pci_bus 0000:00: resource 11 [mem 0x7c000001-0x7fffffff window]
>[    3.013564] pci_bus 0000:00: resource 12 [mem 0x80000000-0xbfffffff window]
>[    3.013570] pci_bus 0000:00: resource 13 [mem 0xe0000000-0xefffffff window]
>[    3.013575] pci_bus 0000:00: resource 14 [mem 0xfea00000-0xfeafffff window]
>[    3.013581] pci_bus 0000:00: resource 15 [mem 0xfed00000-0xfed003ff window]
>[    3.013587] pci_bus 0000:00: resource 16 [mem 0xfed01000-0xfed01fff window]
>[    3.013593] pci_bus 0000:00: resource 17 [mem 0xfed03000-0xfed03fff window]
>[    3.013598] pci_bus 0000:00: resource 18 [mem 0xfed06000-0xfed06fff window]
>[    3.013604] pci_bus 0000:00: resource 19 [mem 0xfed08000-0xfed09fff window]
>[    3.013610] pci_bus 0000:00: resource 20 [mem 0xfed80000-0xfedbffff window]
>[    3.013615] pci_bus 0000:00: resource 21 [mem 0xfed1c000-0xfed1cfff window]
>[    3.013621] pci_bus 0000:00: resource 22 [mem 0xfee00000-0xfeefffff window]
>[    3.013627] pci_bus 0000:01: resource 0 [io  0x1000-0x1fff]
>[    3.013632] pci_bus 0000:01: resource 1 [mem 0xa1100000-0xa11fffff]
>[    3.018298] NET: Registered protocol family 2
>[    3.020119] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
>[    3.020328] TCP bind hash table entries: 32768 (order: 9, 2097152 bytes)
>[    3.025557] TCP: Hash tables configured (established 32768 bind 32768)
>[    3.025977] UDP hash table entries: 2048 (order: 6, 327680 bytes)
>[    3.026762] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes)
>[    3.028035] NET: Registered protocol family 1
>[    3.028148] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
>[    3.034099] PCI: CLS 64 bytes, default 64
>[    3.035127] Unpacking initramfs...
>[    3.650675] Freeing initrd memory: 11564K
>[    3.650687] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>[    3.650696] software IO TLB [mem 0x6ec00000-0x72c00000] (64MB) mapped at [ffff88006ec00000-ffff880072bfffff]
>[    3.650990] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns
>[    3.665580] workingset: timestamp_bits=46 max_order=20 bucket_order=0
>[    3.715837] ntfs: driver 2.1.32 [Flags: R/O].
>[    3.754851] NET: Registered protocol family 38
>[    3.755444] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
>[    3.755470] io scheduler noop registered
>[    3.756259] io scheduler cfq registered (default)
>[    3.756266] io scheduler mq-deadline registered
>[    3.756270] start plist test
>[    3.760370] end plist test
>[    3.767949] pcieport 0000:00:13.0: Signaling PME with IRQ 120
>[    3.769288] uvesafb: failed to execute /sbin/v86d
>[    3.769326] uvesafb: make sure that the v86d helper is installed and executable
>[    3.769380] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2)
>[    3.769432] uvesafb: vbe_init() failed with -22
>[    3.769527] uvesafb: probe of uvesafb.0 failed with error -22
>[    3.769735] intel_idle: does not run on family 6 model 122
>[    3.770866] ACPI: AC Adapter [ADP1] (off-line)
>[    3.779476] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/PNP0C09:00/PNP0C0D:00/input/input0
>[    3.779605] ACPI: Lid Switch [LID0]
>[    3.780358] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
>[    3.780419] ACPI: Power Button [PWRB]
>[    3.784130] Monitor-Mwait will be used to enter C-1 state
>[    3.784255] Monitor-Mwait will be used to enter C-2 state
>[    3.784375] Monitor-Mwait will be used to enter C-3 state
>[    3.839703] (NULL device *): hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
>[    3.893670] thermal LNXTHERM:00: registered as thermal_zone0
>[    3.893678] ACPI: Thermal Zone [TZ01] (31 C)
>[    3.894380] GHES: HEST is not enabled!
>[    3.895125] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
>[    3.897804] ACPI: Battery Slot [BAT0] (battery present)
>[    3.898603] ACPI: Battery Slot [BAT1] (battery absent)
>[    3.917727] serial8250: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
>[    3.924635] Non-volatile memory driver v1.3
>[    3.925650] Linux agpgart interface v0.103
>[    3.931310] loop: module loaded
>[    3.933310] ahci 0000:00:12.0: version 3.0
>[    3.946788] ahci 0000:00:12.0: AHCI 0001.0301 32 slots 1 ports 6 Gbps 0x1 impl SATA mode
>[    3.946801] ahci 0000:00:12.0: flags: 64bit ncq sntf pm clo only pmp pio slum part deso sadm sds apst 
>[    3.950529] scsi host0: ahci
>[    3.951892] ata1: SATA max UDMA/133 abar m2048@0xa123f000 port 0xa123f100 irq 121
>[    3.952533] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    3.952582] ehci-pci: EHCI PCI platform driver
>[    3.952740] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>[    3.952771] ohci-pci: OHCI PCI platform driver
>[    3.952902] uhci_hcd: USB Universal Host Controller Interface driver
>[    3.956713] xhci_hcd 0000:00:15.0: xHCI Host Controller
>[    3.956916] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1
>[    3.958578] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x00009810
>[    3.958598] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported
>[    3.960018] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>[    3.960033] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    3.960039] usb usb1: Product: xHCI Host Controller
>[    3.960045] usb usb1: Manufacturer: Linux 4.11.0-rc7-drm-tip-ww16-commit-1b75708+ xhci-hcd
>[    3.960051] usb usb1: SerialNumber: 0000:00:15.0
>[    3.962685] hub 1-0:1.0: USB hub found
>[    3.962964] hub 1-0:1.0: 9 ports detected
>[    4.016309] xhci_hcd 0000:00:15.0: xHCI Host Controller
>[    4.016360] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2
>[    4.017286] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
>[    4.017297] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    4.017303] usb usb2: Product: xHCI Host Controller
>[    4.017309] usb usb2: Manufacturer: Linux 4.11.0-rc7-drm-tip-ww16-commit-1b75708+ xhci-hcd
>[    4.017314] usb usb2: SerialNumber: 0000:00:15.0
>[    4.019627] hub 2-0:1.0: USB hub found
>[    4.019901] hub 2-0:1.0: 7 ports detected
>[    4.061844] usbcore: registered new interface driver usb-storage
>[    4.062489] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
>[    4.062495] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
>[    4.063146] i8042: Warning: Keylock active
>[    4.063374] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    4.064938] mousedev: PS/2 mouse device common for all mice
>[    4.067617] rtc_cmos 00:04: RTC can wake from S4
>[    4.068983] rtc_cmos 00:04: rtc core: registered rtc_cmos as rtc0
>[    4.069137] rtc_cmos 00:04: alarms up to one month, y3k, 242 bytes nvram, hpet irqs
>[    4.070777] softdog: initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
>[    4.072345] device-mapper: uevent: version 1.0.3
>[    4.073825] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com
>[    4.076819] EFI Variables Facility v0.08 2004-May-17
>[    4.098407] hidraw: raw HID events driver (C) Jiri Kosina
>[    4.099815] usbcore: registered new interface driver usbhid
>[    4.099820] usbhid: USB HID core driver
>[    4.100436] intel_rapl: driver does not support CPU family 6 model 122
>[    4.102561] Initializing XFRM netlink socket
>[    4.105424] NET: Registered protocol family 10
>[    4.109381] Segment Routing with IPv6
>[    4.109483] mip6: Mobile IPv6
>[    4.109514] NET: Registered protocol family 17
>[    4.109556] NET: Registered protocol family 15
>[    4.113348] SSE version of gcm_enc/dec engaged.
>[    4.221257] alg: No test for pcbc(aes) (pcbc-aes-aesni)
>[    4.223751] registered taskstats version 1
>[    4.232112] Btrfs loaded, crc32c=crc32c-generic
>[    4.245905] rtc_cmos 00:04: setting system clock to 2017-04-20 17:16:09 UTC (1492708569)
>[    4.246964] PM: Hibernation image not present or could not be loaded.
>[    4.246990] ALSA device list:
>[    4.246995]   No soundcards found.
>[    4.295524] atkbd serio0: Failed to deactivate keyboard on isa0060/serio0
>[    4.380539] usb 1-4: new low-speed USB device number 2 using xhci_hcd
>[    4.423537] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
>[    4.438754] ata1.00: ATA-9: INTEL SSDSC2BW080A4, DC32, max UDMA/133
>[    4.438766] ata1.00: 156301488 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
>[    4.464755] ata1.00: configured for UDMA/133
>[    4.467925] scsi 0:0:0:0: Direct-Access     ATA      INTEL SSDSC2BW08 DC32 PQ: 0 ANSI: 5
>[    4.473162] sd 0:0:0:0: Attached scsi generic sg0 type 0
>[    4.473786] sd 0:0:0:0: [sda] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB)
>[    4.474041] sd 0:0:0:0: [sda] Write Protect is off
>[    4.474049] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>[    4.474513] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    4.481678]  sda: sda1 sda2 sda3
>[    4.487045] sd 0:0:0:0: [sda] Attached SCSI disk
>[    4.492566] Freeing unused kernel memory: 1192K
>[    4.492574] Write protecting the kernel read-only data: 14336k
>[    4.496100] Freeing unused kernel memory: 1532K
>[    4.501262] Freeing unused kernel memory: 724K
>[    4.568114] usb 1-4: New USB device found, idVendor=03f0, idProduct=0024
>[    4.568132] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    4.568139] usb 1-4: Product: HP Basic USB Keyboard
>[    4.568145] usb 1-4: Manufacturer: CHICONY
>[    4.580588] input: CHICONY HP Basic USB Keyboard as /devices/pci0000:00/0000:00:15.0/usb1/1-4/1-4:1.0/0003:03F0:0024.0001/input/input3
>[    4.638630] hid-generic 0003:03F0:0024.0001: input,hidraw0: USB HID v1.11 Keyboard [CHICONY HP Basic USB Keyboard] on usb-0000:00:15.0-4/input0
>[    4.656363] clocksource: Switched to clocksource tsc
>[    4.671417] atkbd serio0: Failed to enable keyboard on isa0060/serio0
>[    4.672348] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
>[    4.796300] usb 1-5: new low-speed USB device number 3 using xhci_hcd
>[    4.970041] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[    4.970051] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[    4.970057] usb 1-5: Product: HP USB Optical Mouse
>[    4.970063] usb 1-5: Manufacturer: PixArt
>[    4.976604] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0002/input/input4
>[    4.978551] hid-generic 0003:03F0:094A.0002: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[    5.314759] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
>[    5.328429] r8169 0000:01:00.0 eth0: RTL8168h/8111h at 0xffffc9000006d000, 90:49:fa:02:af:52, XID 14100880 IRQ 123
>[    5.328439] r8169 0000:01:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
>[    5.349127] sdhci: Secure Digital Host Controller Interface driver
>[    5.349135] sdhci: Copyright(c) Pierre Ossman
>[    5.351262] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[    5.356322] Setting dangerous option enable_guc_loading - tainting kernel
>[    5.356340] Setting dangerous option enable_guc_submission - tainting kernel
>[    5.356348] Setting dangerous option alpha_support - tainting kernel
>[    5.364485] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:31cc] (rev 1)
>[    5.371390] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit
>[    5.372121] sdhci-pci 0000:00:1e.0: SDHCI controller found [8086:31d0] (rev 1)
>[    5.372521] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[    5.401333] mmc1: SDHCI controller on PCI [0000:00:1e.0] using ADMA 64-bit
>[    5.402073] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[    5.413266] [drm:i915_driver_load [i915]] No PCH found.
>[    5.413422] [drm:intel_power_domains_init [i915]] Allowed DC state mask 09
>[    5.415945] [drm:intel_device_info_dump [i915]] i915 device info: platform=GEMINILAKE gen=9 pciid=0x3184 rev=0x01
>[    5.416047] [drm:intel_device_info_dump [i915]] i915 device info: is_mobile: no
>[    5.416145] [drm:intel_device_info_dump [i915]] i915 device info: is_lp: yes
>[    5.416241] [drm:intel_device_info_dump [i915]] i915 device info: is_alpha_support: yes
>[    5.416364] [drm:intel_device_info_dump [i915]] i915 device info: has_64bit_reloc: yes
>[    5.416458] [drm:intel_device_info_dump [i915]] i915 device info: has_aliasing_ppgtt: yes
>[    5.416552] [drm:intel_device_info_dump [i915]] i915 device info: has_csr: yes
>[    5.416688] [drm:intel_device_info_dump [i915]] i915 device info: has_ddi: yes
>[    5.416782] [drm:intel_device_info_dump [i915]] i915 device info: has_decoupled_mmio: yes
>[    5.416874] [drm:intel_device_info_dump [i915]] i915 device info: has_dp_mst: yes
>[    5.416967] [drm:intel_device_info_dump [i915]] i915 device info: has_fbc: yes
>[    5.417059] [drm:intel_device_info_dump [i915]] i915 device info: has_fpga_dbg: yes
>[    5.417152] [drm:intel_device_info_dump [i915]] i915 device info: has_full_ppgtt: yes
>[    5.417244] [drm:intel_device_info_dump [i915]] i915 device info: has_full_48bit_ppgtt: yes
>[    5.417363] [drm:intel_device_info_dump [i915]] i915 device info: has_gmbus_irq: yes
>[    5.417456] [drm:intel_device_info_dump [i915]] i915 device info: has_gmch_display: no
>[    5.417548] [drm:intel_device_info_dump [i915]] i915 device info: has_guc: yes
>[    5.417640] [drm:intel_device_info_dump [i915]] i915 device info: has_hotplug: yes
>[    5.417731] [drm:intel_device_info_dump [i915]] i915 device info: has_hw_contexts: yes
>[    5.417823] [drm:intel_device_info_dump [i915]] i915 device info: has_l3_dpf: no
>[    5.417915] [drm:intel_device_info_dump [i915]] i915 device info: has_llc: no
>[    5.418007] [drm:intel_device_info_dump [i915]] i915 device info: has_logical_ring_contexts: yes
>[    5.418099] [drm:intel_device_info_dump [i915]] i915 device info: has_overlay: no
>[    5.418190] [drm:intel_device_info_dump [i915]] i915 device info: has_pipe_cxsr: no
>[    5.419554] [drm:intel_device_info_dump [i915]] i915 device info: has_pooled_eu: no
>[    5.419650] [drm:intel_device_info_dump [i915]] i915 device info: has_psr: no
>[    5.419743] [drm:intel_device_info_dump [i915]] i915 device info: has_rc6: yes
>[    5.419836] [drm:intel_device_info_dump [i915]] i915 device info: has_rc6p: no
>[    5.419927] [drm:intel_device_info_dump [i915]] i915 device info: has_resource_streamer: yes
>[    5.420020] [drm:intel_device_info_dump [i915]] i915 device info: has_runtime_pm: yes
>[    5.420111] [drm:intel_device_info_dump [i915]] i915 device info: has_snoop: no
>[    5.420203] [drm:intel_device_info_dump [i915]] i915 device info: unfenced_needs_alignment: no
>[    5.420402] [drm:intel_device_info_dump [i915]] i915 device info: cursor_needs_physical: no
>[    5.420493] [drm:intel_device_info_dump [i915]] i915 device info: hws_needs_physical: no
>[    5.420606] [drm:intel_device_info_dump [i915]] i915 device info: overlay_needs_physical: no
>[    5.420697] [drm:intel_device_info_dump [i915]] i915 device info: supports_tv: no
>[    5.426196] [drm:intel_device_info_runtime_init [i915]] slice mask: 0001
>[    5.426379] [drm:intel_device_info_runtime_init [i915]] slice total: 1
>[    5.426478] [drm:intel_device_info_runtime_init [i915]] subslice total: 3
>[    5.426574] [drm:intel_device_info_runtime_init [i915]] subslice mask 0007
>[    5.426668] [drm:intel_device_info_runtime_init [i915]] subslice per slice: 3
>[    5.426762] [drm:intel_device_info_runtime_init [i915]] EU total: 18
>[    5.426855] [drm:intel_device_info_runtime_init [i915]] EU per subslice: 6
>[    5.426948] [drm:intel_device_info_runtime_init [i915]] has slice power gating: n
>[    5.427041] [drm:intel_device_info_runtime_init [i915]] has subslice power gating: y
>[    5.427134] [drm:intel_device_info_runtime_init [i915]] has EU power gating: y
>[    5.427233] [drm:i915_driver_load [i915]] ppgtt mode: 3
>[    5.427479] [drm:i915_driver_load [i915]] use GPU semaphores? no
>[    5.427628] [drm] Memory usable by graphics device = 4078M
>[    5.427732] [drm:i915_ggtt_probe_hw [i915]] GMADR size = 256M
>[    5.427832] [drm:i915_ggtt_probe_hw [i915]] GTT stolen size = 64M
>[    5.427920] [drm] Replacing VGA console driver
>[    5.428169] [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 65536K, usable: 57344K
>[    5.428370] [drm:sanitize_rc6_option [i915]] BIOS enabled RC states: HW_CTRL off HW_RC6 off SW_TARGET_STATE 4
>[    5.430081] [drm:intel_opregion_setup [i915]] graphic opregion physical addr: 0x79aaa018
>[    5.430248] [drm:intel_opregion_setup [i915]] Public ACPI methods supported
>[    5.430498] [drm:intel_opregion_setup [i915]] ASLE supported
>[    5.430642] [drm:intel_opregion_setup [i915]] Found valid VBT in ACPI OpRegion (RVDA)
>[    5.431233] [drm:intel_gvt_init [i915]] GVT-g is disabled by kernel params
>[    5.431276] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>[    5.431280] [drm] Driver supports precise vblank timestamp query.
>[    5.431389] [drm:intel_bios_init [i915]] Set default to SSC at 100000 kHz
>[    5.431496] [drm:intel_bios_init [i915]] VBT signature "$VBT GEMINILAKE     ", BDB version 210
>[    5.431602] [drm:intel_bios_init [i915]] BDB_GENERAL_FEATURES int_tv_support 0 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 120000 display_clock_mode 0 fdi_rx_polarity_inverted 0
>[    5.431704] [drm:intel_bios_init [i915]] crt_ddc_bus_pin: 2
>[    5.431809] [drm:intel_opregion_get_panel_type [i915]] Failed to get panel details from OpRegion (-19)
>[    5.431912] [drm:intel_bios_init [i915]] Panel type: 2 (VBT)
>[    5.432011] [drm:intel_bios_init [i915]] DRRS supported mode is seamless
>[    5.432121] [drm:intel_bios_init [i915]] Found panel mode in BIOS VBT tables:
>[    5.432136] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 0 65000 1024 1048 1184 1344 768 771 777 806 0x8 0xa
>[    5.432235] [drm:intel_bios_init [i915]] VBT initial LVDS value 300
>[    5.432433] [drm:intel_bios_init [i915]] VBT backlight PWM modulation frequency 200 Hz, active high, min brightness 0, level 180, controller 0
>[    5.432533] [drm:intel_bios_init [i915]] Unsupported child device size for SDVO mapping.
>[    5.432632] [drm:intel_bios_init [i915]] Expected child device config size for VBT version 210 not known; assuming 38
>[    5.432742] [drm:intel_bios_init [i915]] DRRS State Enabled:1
>[    5.432842] [drm:intel_bios_init [i915]] Port A VBT info: DP:1 HDMI:0 DVI:0 EDP:1 CRT:0
>[    5.432940] [drm:intel_bios_init [i915]] VBT HDMI level shift for port A: 0
>[    5.433038] [drm:intel_bios_init [i915]] Port B VBT info: DP:1 HDMI:1 DVI:1 EDP:0 CRT:0
>[    5.433135] [drm:intel_bios_init [i915]] VBT HDMI level shift for port B: 8
>[    5.433233] [drm:intel_bios_init [i915]] Port C VBT info: DP:0 HDMI:1 DVI:1 EDP:0 CRT:0
>[    5.433436] [drm:intel_bios_init [i915]] VBT HDMI level shift for port C: 8
>[    5.434417] [drm:intel_dsm_detect [i915]] no _DSM method for intel device
>[    5.434549] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 00
>[    5.434722] [drm:intel_power_well_enable [i915]] enabling power well 1
>[    5.434916] [drm:intel_update_cdclk [i915]] Current CD clock rate: 316800 kHz, VCO: 633600 kHz, ref: 19200 kHz
>[    5.435040] [drm:intel_power_well_enable [i915]] enabling always-on
>[    5.435138] [drm:intel_power_well_enable [i915]] enabling DC off
>[    5.435235] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 00
>[    5.435430] [drm:intel_power_well_enable [i915]] enabling power well 2
>[    5.435531] [drm:intel_power_well_enable [i915]] enabling dpio-common-a
>[    5.436087] [drm:intel_power_well_enable [i915]] enabling dpio-common-b
>[    5.436904] [drm:intel_power_well_enable [i915]] enabling dpio-common-c
>[    5.437056] [drm:_bxt_ddi_phy_init [i915]] DDI PHY 2 already enabled, won't reprogram it
>[    5.437155] [drm:intel_power_well_enable [i915]] enabling AUX A
>[    5.437311] [drm:skl_set_power_well [i915]] Enabling AUX A
>[    5.437407] [drm:intel_power_well_enable [i915]] enabling AUX B
>[    5.437504] [drm:skl_set_power_well [i915]] Enabling AUX B
>[    5.437598] [drm:intel_power_well_enable [i915]] enabling AUX C
>[    5.437692] [drm:skl_set_power_well [i915]] Enabling AUX C
>[    5.437882] [drm:intel_csr_ucode_init [i915]] Loading i915/glk_dmc_ver1_04.bin
>[    5.443134] [drm] Finished loading DMC firmware i915/glk_dmc_ver1_04.bin (v1.4)
>[    5.443689] [drm:__bxt_hpd_detection_setup [i915]] Invert bit setting: hp_ctl:18001818 hp_port:38
>[    5.446969] [drm:intel_fbc_init [i915]] Sanitized enable_fbc value: 1
>[    5.447092] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM0 latency 7 (7.0 usec)
>[    5.447190] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM1 latency 7 (7.0 usec)
>[    5.447311] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM2 latency 8 (8.0 usec)
>[    5.447405] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM3 latency 22 (22.0 usec)
>[    5.447499] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM4 latency 22 (22.0 usec)
>[    5.447591] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM5 latency 22 (22.0 usec)
>[    5.447684] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM6 latency 22 (22.0 usec)
>[    5.447778] [drm:intel_print_wm_latency [i915]] Gen9 Plane WM7 latency 22 (22.0 usec)
>[    5.447888] [drm:intel_modeset_init [i915]] 3 display pipes available.
>[    5.449582] [drm:intel_update_cdclk [i915]] Current CD clock rate: 316800 kHz, VCO: 633600 kHz, ref: 19200 kHz
>[    5.449718] [drm:intel_update_max_cdclk [i915]] Max CD clock rate: 316800 kHz
>[    5.449821] [drm:intel_update_max_cdclk [i915]] Max dotclock rate: 627264 kHz
>[    5.449847] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
>[    5.450365] [drm:intel_ddi_init [i915]] BXT BIOS forgot to set DDI_A_4_LANES for port A; fixing
>[    5.450493] [drm:intel_dp_init_connector [i915]] Adding eDP connector on port A
>[    5.450700] [drm:intel_dp_init_connector [i915]] using AUX A for port A (VBT)
>[    5.450885] [drm:intel_pps_dump_state [i915]] cur t1_t3 0 t8 0 t9 0 t10 500 t11_t12 5000
>[    5.450995] [drm:intel_pps_dump_state [i915]] vbt t1_t3 2000 t8 10 t9 2000 t10 500 t11_t12 5000
>[    5.451095] [drm:intel_dp_init_panel_power_sequencer [i915]] panel power up delay 200, power down delay 50, power cycle delay 500
>[    5.451192] [drm:intel_dp_init_panel_power_sequencer [i915]] backlight on delay 1, off delay 200
>[    5.451322] [drm:intel_dp_init_panel_power_sequencer_registers [i915]] panel power sequencer register settings: PP_ON 0x7d00001, PP_OFF 0x1f40001, PP_DIV 0x60
>[    5.451421] [drm:intel_edp_panel_vdd_sanitize [i915]] VDD left on by BIOS, adjusting state tracking
>[    5.456488] [drm:intel_dp_read_dpcd [i915]] DPCD: 11 0a 82 41 00 00 01 80 02 00 00 00 0f 0b 00
>[    5.460503] [drm:intel_dp_read_desc [i915]] DP sink: OUI 00-1c-f8 dev-ID q\006UA\022\001 HW-rev 10.0 SW-rev 1.41
>[    5.462817] [drm:intel_dp_init_connector [i915]] Detected EDP PSR Panel.
>[    5.464554] [drm:intel_dp_init_connector [i915]] EDP DPCD : 02 fb e7
>[    5.467512] r8169 0000:01:00.0 enp1s0: renamed from eth0
>[    5.471446] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    5.471840] [drm:intel_dp_init_connector [i915]] Downclock mode is not found. DRRS not supported
>[    5.472005] [drm:get_backlight_max_vbt [i915]] VBT defined backlight frequency 200 Hz
>[    5.472136] [drm:intel_panel_setup_backlight [i915]] Connector eDP-1 backlight initialized, disabled, brightness 0/96000
>[    5.472530] [drm:intel_dp_init_connector [i915]] Adding DP connector on port B
>[    5.472656] [drm:intel_dp_init_connector [i915]] using AUX B for port B (VBT)
>[    5.472873] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on port B
>[    5.472992] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x1 for port B (VBT)
>[    5.473180] [drm:intel_hdmi_init_connector [i915]] Adding HDMI connector on port C
>[    5.473370] [drm:intel_hdmi_init_connector [i915]] Using DDC pin 0x2 for port C (VBT)
>[    5.473470] [drm:intel_dsi_init [i915]] 
>[    5.473944] [drm:intel_set_plane_visible [i915]] pipe A active planes 0x1
>[    5.474062] [drm:intel_modeset_setup_hw_state [i915]] [CRTC:36:pipe A] hw state readout: enabled
>[    5.474182] [drm:intel_set_plane_visible [i915]] pipe B active planes 0x0
>[    5.474287] [drm:intel_modeset_setup_hw_state [i915]] [CRTC:47:pipe B] hw state readout: disabled
>[    5.474449] [drm:intel_set_plane_visible [i915]] pipe C active planes 0x0
>[    5.474554] [drm:intel_modeset_setup_hw_state [i915]] [CRTC:58:pipe C] hw state readout: disabled
>[    5.476125] [drm:intel_modeset_setup_hw_state [i915]] PORT PLL A hw state readout: crtc_mask 0x00000000, on 0
>[    5.476798] [drm:intel_modeset_setup_hw_state [i915]] PORT PLL B hw state readout: crtc_mask 0x00000000, on 0
>[    5.476956] [drm:intel_modeset_setup_hw_state [i915]] PORT PLL C hw state readout: crtc_mask 0x00000001, on 1
>[    5.477070] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:59:DDI A] hw state readout: disabled, pipe A
>[    5.477177] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:67:DDI B] hw state readout: disabled, pipe A
>[    5.477279] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:69:DP-MST A] hw state readout: disabled, pipe A
>[    5.477466] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:70:DP-MST B] hw state readout: disabled, pipe B
>[    5.477566] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:71:DP-MST C] hw state readout: disabled, pipe C
>[    5.477690] [drm:intel_modeset_setup_hw_state [i915]] [ENCODER:74:DDI C] hw state readout: enabled, pipe A
>[    5.477871] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:60:eDP-1] hw state readout: disabled
>[    5.477983] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:68:DP-1] hw state readout: disabled
>[    5.478090] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:72:HDMI-A-1] hw state readout: disabled
>[    5.478201] [drm:intel_modeset_setup_hw_state [i915]] [CONNECTOR:75:HDMI-A-2] hw state readout: enabled
>[    5.478414] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[    5.478788] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][setup_hw_state]
>[    5.478893] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 24, dithering: 0
>[    5.478994] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 1
>[    5.479092] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    5.479107] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x40 0x9
>[    5.479205] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    5.479286] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x40 0x9
>[    5.479386] [drm:intel_dump_pipe_config [i915]] crtc timings: 533250 3840 3888 3920 4000 2160 2163 2168 2222, type: 0x40 flags: 0x9
>[    5.479484] [drm:intel_dump_pipe_config [i915]] port clock: 533250, pipe src size: 3840x2160, pixel rate 533250
>[    5.479581] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[    5.479677] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.479772] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    5.479876] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4100, ebb4: 0x2000,pll0: 0x1a, pll1: 0x100, pll2: 0x2a6667, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[    5.479972] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    5.480069] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] disabled, scaler_id = -1
>[    5.480166] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[    5.480449] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[    5.480546] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[    5.480642] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[    5.480762] [drm:intel_dump_pipe_config [i915]] [CRTC:47:pipe B][setup_hw_state]
>[    5.480856] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: B, pipe bpp: 0, dithering: 0
>[    5.480949] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    5.481043] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    5.481054] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.481147] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    5.481157] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.481252] [drm:intel_dump_pipe_config [i915]] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    5.481376] [drm:intel_dump_pipe_config [i915]] port clock: 0, pipe src size: 0x0, pixel rate 0
>[    5.481470] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: 0
>[    5.481564] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.481657] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    5.481758] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x0, ebb4: 0x0,pll0: 0x0, pll1: 0x0, pll2: 0x0, pll3: 0x0, pll6: 0x0, pll8: 0x0, pll9: 0x0, pll10: 0x0, pcsdw12: 0x0
>[    5.481853] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    5.481947] [drm:intel_dump_pipe_config [i915]] [PLANE:37:plane 1B] disabled, scaler_id = -1
>[    5.482041] [drm:intel_dump_pipe_config [i915]] [PLANE:39:plane 2B] disabled, scaler_id = -1
>[    5.482135] [drm:intel_dump_pipe_config [i915]] [PLANE:41:plane 3B] disabled, scaler_id = -1
>[    5.482228] [drm:intel_dump_pipe_config [i915]] [PLANE:43:plane 4B] disabled, scaler_id = -1
>[    5.482388] [drm:intel_dump_pipe_config [i915]] [PLANE:45:cursor B] disabled, scaler_id = -1
>[    5.482485] [drm:intel_dump_pipe_config [i915]] [CRTC:58:pipe C][setup_hw_state]
>[    5.482577] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: C, pipe bpp: 0, dithering: 0
>[    5.482669] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    5.482760] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    5.482771] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.482861] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    5.482871] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
>[    5.482964] [drm:intel_dump_pipe_config [i915]] crtc timings: 0 0 0 0 0 0 0 0 0, type: 0x0 flags: 0x0
>[    5.483055] [drm:intel_dump_pipe_config [i915]] port clock: 0, pipe src size: 0x0, pixel rate 0
>[    5.483147] [drm:intel_dump_pipe_config [i915]] num_scalers: 1, scaler_users: 0x0, scaler_id: 0
>[    5.483238] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.483414] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    5.483514] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x0, ebb4: 0x0,pll0: 0x0, pll1: 0x0, pll2: 0x0, pll3: 0x0, pll6: 0x0, pll8: 0x0, pll9: 0x0, pll10: 0x0, pcsdw12: 0x0
>[    5.483605] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    5.483698] [drm:intel_dump_pipe_config [i915]] [PLANE:48:plane 1C] disabled, scaler_id = -1
>[    5.483789] [drm:intel_dump_pipe_config [i915]] [PLANE:50:plane 2C] disabled, scaler_id = -1
>[    5.483880] [drm:intel_dump_pipe_config [i915]] [PLANE:52:plane 3C] disabled, scaler_id = -1
>[    5.483971] [drm:intel_dump_pipe_config [i915]] [PLANE:54:plane 4C] disabled, scaler_id = -1
>[    5.484061] [drm:intel_dump_pipe_config [i915]] [PLANE:56:cursor C] disabled, scaler_id = -1
>[    5.484451] [drm:intel_power_well_disable [i915]] disabling AUX C
>[    5.484578] [drm:skl_set_power_well [i915]] Disabling AUX C
>[    5.484682] [drm:intel_power_well_disable [i915]] disabling AUX B
>[    5.484783] [drm:skl_set_power_well [i915]] Disabling AUX B
>[    5.484884] [drm:intel_power_well_disable [i915]] disabling dpio-common-b
>[    5.485088] [drm:skylake_get_initial_plane_config [i915]] pipe A with fb: size=3840x2160@32, offset=0, pitch 15360, size 0x1fa4000
>[    5.485195] [drm:intel_set_plane_visible [i915]] pipe A active planes 0x0
>[    5.485324] [drm:fetch_uc_fw [i915]] before requesting firmware: uC fw fetch status PENDING
>[    5.486180] i915 0000:00:02.0: Direct firmware load for i915/glk_huc_ver01_07_1748.bin failed with error -2
>[    5.486299] [drm] Failed to fetch valid uC firmware from i915/glk_huc_ver01_07_1748.bin (error -2)
>[    5.486405] [drm:fetch_uc_fw [i915]] uC fw fetch status FAIL; err -2, fw           (null), obj           (null)
>[    5.486507] [drm:fetch_uc_fw [i915]] before requesting firmware: uC fw fetch status PENDING
>[    5.486837] i915 0000:00:02.0: Direct firmware load for i915/glk_guc_ver10_56.bin failed with error -2
>[    5.486863] [drm] Failed to fetch valid uC firmware from i915/glk_guc_ver10_56.bin (error -2)
>[    5.486964] [drm:fetch_uc_fw [i915]] uC fw fetch status FAIL; err -2, fw           (null), obj           (null)
>[    5.487389] [drm:i915_gem_init_ggtt [i915]] clearing unused GTT space: [1000, fee00000]
>[    5.487636] [drm:i915_gem_context_init [i915]] LR context support initialized
>[    5.488037] [drm:intel_engine_create_scratch [i915]] rcs0 pipe control offset: 0xfedff000
>[    5.491992] [drm:gen8_init_common_ring [i915]] Execlists enabled for rcs0
>[    5.492117] [drm:init_workarounds_ring [i915]] rcs0: Number of context specific w/a: 12
>[    5.492391] [drm:gen8_init_common_ring [i915]] Execlists enabled for bcs0
>[    5.492568] [drm:gen8_init_common_ring [i915]] Execlists enabled for vcs0
>[    5.492733] [drm:gen8_init_common_ring [i915]] Execlists enabled for vecs0
>[    5.494070] BUG: sleeping function called from invalid context at drivers/gpu/drm/i915/intel_uncore.c:1624
>[    5.494146] in_atomic(): 1, irqs_disabled(): 1, pid: 178, name: systemd-udevd
>[    5.494189] 4 locks held by systemd-udevd/178:
>[    5.494193]  #0:  (&dev->mutex){......}, at: [<ffffffff815c4bfa>] __driver_attach+0x5a/0xe0
>[    5.494220]  #1:  (&dev->mutex){......}, at: [<ffffffff815c4c08>] __driver_attach+0x68/0xe0
>[    5.494239]  #2:  (&dev->struct_mutex){+.+.+.}, at: [<ffffffffa006605a>] i915_gem_init+0x1a/0xf0 [i915]
>[    5.494353]  #3:  (&(&dev_priv->uncore.lock)->rlock){-.-...}, at: [<ffffffffa008f140>] intel_guc_reset+0x30/0x70 [i915]
>[    5.494466] irq event stamp: 60100
>[    5.494475] hardirqs last  enabled at (60099): [<ffffffff818764e2>] _raw_spin_unlock_irqrestore+0x52/0x60
>[    5.494481] hardirqs last disabled at (60100): [<ffffffff81876313>] _raw_spin_lock_irqsave+0x13/0x50
>[    5.494488] softirqs last  enabled at (59610): [<ffffffff81085d29>] __do_softirq+0x1d9/0x4c0
>[    5.494494] softirqs last disabled at (59343): [<ffffffff81086189>] irq_exit+0xa9/0xc0
>[    5.494498] Preemption disabled at:
>[    5.494594] [<ffffffffa008f140>] intel_guc_reset+0x30/0x70 [i915]
>[    5.494628] CPU: 1 PID: 178 Comm: systemd-udevd Tainted: G     U          4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[    5.494633] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[    5.494637] Call Trace:
>[    5.494647]  dump_stack+0x67/0x92
>[    5.494656]  ___might_sleep+0x162/0x250
>[    5.494665]  __might_sleep+0x45/0x80
>[    5.494761]  __intel_wait_for_register_fw+0xe9/0x1c0 [i915]
>[    5.494859]  gen6_hw_domain_reset+0x2d/0x30 [i915]
>[    5.494952]  intel_guc_reset+0x40/0x70 [i915]
>[    5.495047]  intel_uc_init_hw+0xf7/0x220 [i915]
>[    5.495147]  i915_gem_init_hw+0xeb/0x2c0 [i915]
>[    5.495246]  i915_gem_init+0xc3/0xf0 [i915]
>[    5.495345]  i915_driver_load+0xabf/0x1520 [i915]
>[    5.495358]  ? trace_hardirqs_on+0xd/0x10
>[    5.495458]  i915_pci_probe+0x34/0xa0 [i915]
>[    5.495471]  pci_device_probe+0x91/0x110
>[    5.495480]  driver_probe_device+0x2ba/0x450
>[    5.495489]  __driver_attach+0xde/0xe0
>[    5.495496]  ? driver_probe_device+0x450/0x450
>[    5.495502]  bus_for_each_dev+0x61/0xa0
>[    5.495511]  driver_attach+0x19/0x20
>[    5.495516]  bus_add_driver+0x1fb/0x270
>[    5.495523]  ? 0xffffffffa01af000
>[    5.495530]  driver_register+0x5b/0xd0
>[    5.495536]  ? 0xffffffffa01af000
>[    5.495543]  __pci_register_driver+0x5b/0x60
>[    5.495632]  i915_init+0x6b/0x6e [i915]
>[    5.495641]  do_one_initcall+0x3f/0x170
>[    5.495650]  ? rcu_read_lock_sched_held+0x75/0x80
>[    5.495658]  ? kmem_cache_alloc_trace+0x274/0x2e0
>[    5.495665]  ? do_init_module+0x22/0x1fa
>[    5.495673]  do_init_module+0x5a/0x1fa
>[    5.495683]  load_module+0x2176/0x2510
>[    5.495704]  SyS_finit_module+0xbc/0xf0
>[    5.495710]  ? SyS_finit_module+0xbc/0xf0
>[    5.495725]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[    5.495730] RIP: 0033:0x7f02a19ecd29
>[    5.495735] RSP: 002b:00007ffcc7e0bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
>[    5.495744] RAX: ffffffffffffffda RBX: 00007f02a2b7efc1 RCX: 00007f02a19ecd29
>[    5.495748] RDX: 0000000000000000 RSI: 0000562de73197d0 RDI: 000000000000000c
>[    5.495752] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000003c
>[    5.495757] R10: 000000000000000c R11: 0000000000000246 R12: 0000562de7315928
>[    5.495761] R13: 00007ffcc7e0beb8 R14: 0000562de73158c0 R15: 0000562de7307580
>[    5.495949] [drm:intel_huc_init_hw [i915]] i915/glk_huc_ver01_07_1748.bin fw status: fetch FAIL, load NONE
>[    5.496090] [drm:intel_guc_init_hw [i915]] GuC fw status: path i915/glk_guc_ver10_56.bin, fetch FAIL, load NONE
>[    5.496246] [drm:intel_uc_init_hw [i915]] *ERROR* GuC init failed
>[    5.496310] [drm] Falling back from GuC submission to execlist mode
>[    5.496411] [drm:i915_gem_init [i915]] *ERROR* Failed to initialize GPU, declaring it wedged
>[    5.499070] [drm:intel_fbdev_init [i915]] pipe A not active or no fb, skipping
>[    5.499177] [drm:intel_fbdev_init [i915]] pipe B not active or no fb, skipping
>[    5.499278] [drm:intel_fbdev_init [i915]] pipe C not active or no fb, skipping
>[    5.499403] [drm:intel_fbdev_init [i915]] no active fbs found, not using BIOS config
>[    5.499641] [drm:__bxt_hpd_detection_setup [i915]] Invert bit setting: hp_ctl:18001818 hp_port:38
>[    5.504102] [drm:intel_backlight_device_register [i915]] Connector eDP-1 backlight sysfs interface registered
>[    5.504272] [drm:intel_dp_connector_register [i915]] registering DPDDC-A bus for card0-eDP-1
>[    5.506336] [drm:intel_dp_connector_register [i915]] registering DPDDC-B bus for card0-DP-1
>[    5.508419] [drm] Initialized i915 1.6.0 20170418 for 0000:00:02.0 on minor 0
>[    5.510983] [drm:intel_opregion_register [i915]] 4 outputs detected
>[    5.557064] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
>[    5.564573] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input5
>[    5.566396] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[    5.567850] [drm] Initialized i915 1.6.0 20170418 for 0000:00:02.0 on minor 0
>[    5.567855] [drm] DRM_I915_DEBUG enabled
>[    5.567860] [drm] DRM_I915_DEBUG_GEM enabled
>[    5.567921] [drm:drm_setup_crtcs] 
>[    5.567953] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1]
>[    5.568105] [drm:intel_dp_detect [i915]] [CONNECTOR:60:eDP-1]
>[    5.568228] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source yes, sink no
>[    5.568384] [drm:intel_dp_print_rates [i915]] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[    5.568481] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[    5.568574] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[    5.569415] [drm:intel_dp_read_desc [i915]] DP sink: OUI 00-1c-f8 dev-ID q\006UA\022\001 HW-rev 10.0 SW-rev 1.41
>[    5.570289] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1] status updated from unknown to connected
>[    5.570569] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    5.570593] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1] probed modes :
>[    5.570605] [drm:drm_mode_debug_printmodeline] Modeline 61:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.570614] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1]
>[    5.570725] [drm:intel_dp_detect [i915]] [CONNECTOR:68:DP-1]
>[    5.570839] [drm:intel_power_well_enable [i915]] enabling dpio-common-b
>[    5.571765] [drm:intel_power_well_enable [i915]] enabling AUX B
>[    5.571872] [drm:skl_set_power_well [i915]] Enabling AUX B
>[    5.571979] [drm:intel_power_well_disable [i915]] disabling AUX B
>[    5.572081] [drm:skl_set_power_well [i915]] Disabling AUX B
>[    5.572182] [drm:intel_power_well_disable [i915]] disabling dpio-common-b
>[    5.572233] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1] status updated from unknown to disconnected
>[    5.572242] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1] disconnected
>[    5.572253] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1]
>[    5.572363] [drm:intel_hdmi_detect [i915]] [CONNECTOR:72:HDMI-A-1]
>[    5.574668] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[    5.574783] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[    5.576739] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[    5.576939] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[    5.576954] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    5.579147] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[    5.579249] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[    5.581475] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[    5.581490] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    5.581502] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1] status updated from unknown to disconnected
>[    5.581510] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1] disconnected
>[    5.581520] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2]
>[    5.581623] [drm:intel_hdmi_detect [i915]] [CONNECTOR:75:HDMI-A-2]
>[    5.661313] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0040 w(1)
>[    5.661460] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[    5.663701] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0040 w(1)
>[    5.663729] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    5.663743] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[    5.663757] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2] status updated from unknown to connected
>[    5.664664] [drm:drm_add_edid_modes] HDMI: DVI dual 0, max TMDS clock 600000 kHz
>[    5.664673] [drm:drm_add_edid_modes] HF-VSDB: max TMDS clock 600000 kHz
>[    5.664681] [drm:drm_edid_to_eld] ELD monitor S277HK
>[    5.664690] [drm:drm_edid_to_eld] HDMI: latency present 0 0, video latency 0 1, audio latency 96 2
>[    5.664698] [drm:drm_edid_to_eld] ELD size 32, SAD count 1
>[    5.664876] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2] probed modes :
>[    5.664889] [drm:drm_mode_debug_printmodeline] Modeline 78:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[    5.664899] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[    5.664908] [drm:drm_mode_debug_printmodeline] Modeline 134:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[    5.664917] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[    5.664925] [drm:drm_mode_debug_printmodeline] Modeline 121:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[    5.664934] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[    5.664943] [drm:drm_mode_debug_printmodeline] Modeline 81:"3840x2160" 24 209800 3840 3888 3920 4000 2160 2163 2168 2185 0x40 0x5
>[    5.664952] [drm:drm_mode_debug_printmodeline] Modeline 80:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9
>[    5.664961] [drm:drm_mode_debug_printmodeline] Modeline 79:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    5.664970] [drm:drm_mode_debug_printmodeline] Modeline 122:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    5.664979] [drm:drm_mode_debug_printmodeline] Modeline 104:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    5.664988] [drm:drm_mode_debug_printmodeline] Modeline 126:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    5.664997] [drm:drm_mode_debug_printmodeline] Modeline 111:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    5.665006] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[    5.665015] [drm:drm_mode_debug_printmodeline] Modeline 115:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    5.665024] [drm:drm_mode_debug_printmodeline] Modeline 132:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    5.665033] [drm:drm_mode_debug_printmodeline] Modeline 87:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[    5.665042] [drm:drm_mode_debug_printmodeline] Modeline 95:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    5.665051] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    5.665060] [drm:drm_mode_debug_printmodeline] Modeline 86:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[    5.665068] [drm:drm_mode_debug_printmodeline] Modeline 83:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[    5.665077] [drm:drm_mode_debug_printmodeline] Modeline 82:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    5.665086] [drm:drm_mode_debug_printmodeline] Modeline 85:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    5.665095] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    5.665104] [drm:drm_mode_debug_printmodeline] Modeline 113:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    5.665113] [drm:drm_mode_debug_printmodeline] Modeline 96:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    5.665122] [drm:drm_mode_debug_printmodeline] Modeline 97:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[    5.665131] [drm:drm_mode_debug_printmodeline] Modeline 98:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    5.665140] [drm:drm_mode_debug_printmodeline] Modeline 99:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[    5.665149] [drm:drm_mode_debug_printmodeline] Modeline 100:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    5.665157] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[    5.665166] [drm:drm_mode_debug_printmodeline] Modeline 88:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    5.665175] [drm:drm_mode_debug_printmodeline] Modeline 89:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[    5.665184] [drm:drm_mode_debug_printmodeline] Modeline 112:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    5.665220] [drm:drm_mode_debug_printmodeline] Modeline 109:"720x576i" 50 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[    5.665229] [drm:drm_mode_debug_printmodeline] Modeline 128:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    5.665238] [drm:drm_mode_debug_printmodeline] Modeline 106:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    5.665247] [drm:drm_mode_debug_printmodeline] Modeline 130:"720x480i" 60 13514 720 739 801 858 480 488 494 525 0x40 0x101a
>[    5.665256] [drm:drm_mode_debug_printmodeline] Modeline 108:"720x480i" 60 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[    5.665265] [drm:drm_mode_debug_printmodeline] Modeline 90:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    5.665273] [drm:drm_mode_debug_printmodeline] Modeline 91:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[    5.665282] [drm:drm_mode_debug_printmodeline] Modeline 92:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[    5.665291] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.665300] [drm:drm_mode_debug_printmodeline] Modeline 93:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.665309] [drm:drm_mode_debug_printmodeline] Modeline 94:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    5.665357] [drm:drm_setup_crtcs] connector 60 enabled? yes
>[    5.665365] [drm:drm_setup_crtcs] connector 68 enabled? no
>[    5.665371] [drm:drm_setup_crtcs] connector 72 enabled? no
>[    5.665378] [drm:drm_setup_crtcs] connector 75 enabled? yes
>[    5.665497] [drm:intel_fb_initial_config [i915]] Not using firmware configuration
>[    5.665517] [drm:drm_setup_crtcs] looking for cmdline mode on connector 60
>[    5.665524] [drm:drm_setup_crtcs] looking for preferred mode on connector 60 0
>[    5.665531] [drm:drm_setup_crtcs] found mode 1920x1080
>[    5.665537] [drm:drm_setup_crtcs] looking for cmdline mode on connector 75
>[    5.665544] [drm:drm_setup_crtcs] looking for preferred mode on connector 75 0
>[    5.665550] [drm:drm_setup_crtcs] found mode 3840x2160
>[    5.665556] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    5.665643] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 36 (0,0)
>[    5.665661] [drm:drm_setup_crtcs] desired mode 3840x2160 set on crtc 47 (0,0)
>[    5.665797] [drm:intelfb_create [i915]] no BIOS fb, allocating a new one
>[    5.721556] [drm:intelfb_create [i915]] allocated 3840x2160 fb: 0x000c0000
>[    5.723184] fbcon: inteldrmfb (fb0) is primary device
>[    5.725552] [drm:intel_atomic_check [i915]] [CONNECTOR:60:eDP-1] checking for sink bpp constrains
>[    5.725666] [drm:intel_atomic_check [i915]] clamping display bpp (was 36) to EDID reported max of 24
>[    5.725778] [drm:intel_dp_compute_config [i915]] DP link computation with max lane count 2 max bw 270000 pixel clock 141000KHz
>[    5.725891] [drm:intel_dp_compute_config [i915]] DP link bw 0a rate select 00 lane count 2 clock 270000 bpp 24
>[    5.725989] [drm:intel_dp_compute_config [i915]] DP link bw required 423000 available 540000
>[    5.726098] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[    5.726204] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[    5.726341] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: EDP, pipe bpp: 24, dithering: 0
>[    5.726441] [drm:intel_dump_pipe_config [i915]] dp m_n: lanes: 2; gmch_m: 102673, gmch_n: 131072, link_m: 34224, link_n: 65536, tu: 64
>[    5.726538] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[    5.726633] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    5.726647] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.726742] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    5.726752] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    5.726849] [drm:intel_dump_pipe_config [i915]] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[    5.726948] [drm:intel_dump_pipe_config [i915]] port clock: 270000, pipe src size: 1920x1080, pixel rate 141000
>[    5.727043] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[    5.727137] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.727231] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    5.727415] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4100, ebb4: 0x2000,pll0: 0x1a, pll1: 0x100, pll2: 0x2a6667, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[    5.727510] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    5.727609] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] disabled, scaler_id = -1
>[    5.727706] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[    5.727801] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[    5.727896] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[    5.727991] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[    5.728099] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[    5.728210] [drm:intel_hdmi_compute_config [i915]] picking bpc to 8 for HDMI output
>[    5.728333] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 24 for HDMI
>[    5.728432] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[    5.728529] [drm:intel_dump_pipe_config [i915]] [CRTC:47:pipe B][modeset]
>[    5.728621] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: B, pipe bpp: 24, dithering: 0
>[    5.728712] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[    5.728802] [drm:intel_dump_pipe_config [i915]] requested mode:
>[    5.728811] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[    5.728900] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[    5.728909] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[    5.729000] [drm:intel_dump_pipe_config [i915]] crtc timings: 533250 3840 3888 3920 4000 2160 2163 2168 2222, type: 0x48 flags: 0x9
>[    5.729090] [drm:intel_dump_pipe_config [i915]] port clock: 533250, pipe src size: 3840x2160, pixel rate 533250
>[    5.729180] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: 0
>[    5.729270] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    5.729384] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[    5.729483] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x0, ebb4: 0x0,pll0: 0x0, pll1: 0x0, pll2: 0x0, pll3: 0x0, pll6: 0x0, pll8: 0x0, pll9: 0x0, pll10: 0x0, pcsdw12: 0x0
>[    5.729573] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[    5.729666] [drm:intel_dump_pipe_config [i915]] [PLANE:37:plane 1B] disabled, scaler_id = -1
>[    5.729757] [drm:intel_dump_pipe_config [i915]] [PLANE:39:plane 2B] disabled, scaler_id = -1
>[    5.729849] [drm:intel_dump_pipe_config [i915]] [PLANE:41:plane 3B] disabled, scaler_id = -1
>[    5.729940] [drm:intel_dump_pipe_config [i915]] [PLANE:43:plane 4B] disabled, scaler_id = -1
>[    5.730031] [drm:intel_dump_pipe_config [i915]] [PLANE:45:cursor B] disabled, scaler_id = -1
>[    5.730130] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[    5.730239] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL A
>[    5.730405] [drm:intel_reference_shared_dpll [i915]] using PORT PLL A for pipe A
>[    5.730510] [drm:bxt_get_dpll [i915]] [CRTC:47:pipe B] using pre-allocated PORT PLL C
>[    5.730603] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe B
>[    5.730698] [drm:skl_update_scaler [i915]] scaler_user index 1.31: Staged freeing scaler id 0 scaler_users = 0x0
>[    5.731724] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[    5.751287] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[    5.751675] [drm:intel_disable_pipe [i915]] disabling pipe A
>[    5.761011] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[    5.761132] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[    5.761518] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[    5.761809] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[    5.761966] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[    5.762067] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[    5.762165] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[    5.762261] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[    5.762388] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[    5.762483] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[    5.762579] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[    5.762678] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[    5.762774] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[    5.762933] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL A (active 1, on? 0) for crtc 36
>[    5.763030] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL A
>[    5.763925] [drm:edp_panel_on [i915]] Turn eDP port A panel power on
>[    5.764038] [drm:wait_panel_power_cycle [i915]] Wait for panel power cycle
>[    5.959581] [drm:wait_panel_status [i915]] mask b800000f value 00000000 status 00000000 control 0000006a
>[    5.959691] [drm:wait_panel_status [i915]] Wait complete
>[    5.959789] [drm:edp_panel_on [i915]] Wait for panel power on
>[    5.959889] [drm:wait_panel_status [i915]] mask b000000f value 80000008 status 9000000a control 0000006b
>[    6.160300] [drm:wait_panel_status [i915]] Wait complete
>[    6.160464] [drm:intel_power_well_enable [i915]] enabling DDI A IO power well
>[    6.160569] [drm:skl_set_power_well [i915]] Enabling DDI A IO power well
>[    6.162377] [drm:intel_dp_set_signal_levels [i915]] Using vswing level 0
>[    6.162477] [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
>[    6.162583] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
>[    6.163459] [drm:intel_dp_start_link_train [i915]] clock recovery OK
>[    6.163555] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS2
>[    6.164759] [drm:intel_dp_start_link_train [i915]] Channel EQ done. DP Training successful
>[    6.164859] [drm:intel_dp_start_link_train [i915]] Link Training Passed at Link Rate = 270000, Lane count = 2
>[    6.166783] [drm:intel_enable_pipe [i915]] enabling pipe A
>[    6.166945] [drm:intel_edp_backlight_on.part.22 [i915]] 
>[    6.167044] [drm:intel_panel_enable_backlight [i915]] pipe A
>[    6.167166] [drm:intel_panel_actually_set_backlight [i915]] set backlight PWM = 96000
>[    6.167321] [drm:intel_psr_enable [i915]] PSR not supported on this platform
>[    6.167415] [drm:intel_edp_drrs_enable [i915]] Panel doesn't support DRRS
>[    6.167573] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[    6.167682] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[    6.184013] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 2, on? 0) for crtc 47
>[    6.184120] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[    6.184383] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[    6.184486] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[    6.186322] [drm:intel_enable_pipe [i915]] enabling pipe B
>[    6.186967] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[    6.206840] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[    6.206962] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[    6.207066] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe B, 32 bytes ELD
>[    6.207432] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 533250 not found, falling back to defaults
>[    6.207543] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[    6.207635] [drm:hsw_audio_config_update [i915]] using automatic N
>[    6.224132] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:60:eDP-1]
>[    6.224277] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[    6.224556] [drm:intel_ddi_get_config [i915]] pipe has 24 bpp for eDP panel, overriding BIOS-provided max 18 bpp
>[    6.224675] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[    6.224938] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[    6.225048] [drm:intel_atomic_commit_tail [i915]] [CRTC:47:pipe B]
>[    6.225248] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[    6.225665] Console: switching to colour frame buffer device 240x67
>[    6.259313] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    6.471193] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
>[    6.890133] systemd[1]: systemd 231 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
>[    6.891834] systemd[1]: Detected architecture x86-64.
>[    6.892529] systemd[1]: Set hostname to <gfx-desktop>.
>[    7.210382] systemd[1]: Reached target Encrypted Volumes.
>[    7.212136] systemd[1]: Created slice System Slice.
>[    7.212453] systemd[1]: Listening on fsck to fsckd communication Socket.
>[    7.212800] systemd[1]: Listening on Syslog Socket.
>[    7.213127] systemd[1]: Listening on Journal Socket (/dev/log).
>[    7.213763] systemd[1]: Listening on udev Control Socket.
>[    7.214181] systemd[1]: Listening on Journal Socket.
>[    7.644968] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
>[    7.726815] systemd-journald[262]: Received request to flush runtime journal from PID 1
>[    8.652319] random: crng init done
>[    8.696956] [drm:edp_panel_vdd_off_sync [i915]] Turning eDP port A VDD off
>[    8.697069] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[    8.697166] [drm:intel_power_well_disable [i915]] disabling AUX A
>[    8.697326] [drm:skl_set_power_well [i915]] Disabling AUX A
>[    9.504012] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1]
>[    9.504173] [drm:intel_dp_detect [i915]] [CONNECTOR:60:eDP-1]
>[    9.504355] [drm:intel_power_well_enable [i915]] enabling AUX A
>[    9.504472] [drm:skl_set_power_well [i915]] Enabling AUX A
>[    9.504556] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source yes, sink no
>[    9.504640] [drm:intel_dp_print_rates [i915]] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[    9.504718] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[    9.504795] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[    9.504985] [drm:edp_panel_vdd_on [i915]] Turning eDP port A VDD on
>[    9.505097] [drm:edp_panel_vdd_on [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006f
>[    9.506196] [drm:intel_dp_read_desc [i915]] DP sink: OUI 00-1c-f8 dev-ID q\006UA\022\001 HW-rev 10.0 SW-rev 1.41
>[    9.507716] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    9.507749] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1] probed modes :
>[    9.507783] [drm:drm_mode_debug_printmodeline] Modeline 61:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[    9.525826] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1]
>[    9.525929] [drm:intel_dp_detect [i915]] [CONNECTOR:68:DP-1]
>[    9.526015] [drm:intel_power_well_enable [i915]] enabling dpio-common-b
>[    9.527164] [drm:intel_power_well_enable [i915]] enabling AUX B
>[    9.527254] [drm:skl_set_power_well [i915]] Enabling AUX B
>[    9.527392] [drm:intel_power_well_disable [i915]] disabling AUX B
>[    9.527471] [drm:skl_set_power_well [i915]] Disabling AUX B
>[    9.527549] [drm:intel_power_well_disable [i915]] disabling dpio-common-b
>[    9.527576] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1] disconnected
>[    9.527641] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1]
>[    9.527728] [drm:intel_hdmi_detect [i915]] [CONNECTOR:72:HDMI-A-1]
>[    9.529340] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[    9.529443] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[    9.531453] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[    9.531471] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[    9.533333] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[    9.533412] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[    9.535336] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[    9.535354] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    9.535367] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1] disconnected
>[    9.535428] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2]
>[    9.535517] [drm:intel_hdmi_detect [i915]] [CONNECTOR:75:HDMI-A-2]
>[    9.591493] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[    9.611363] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0040 w(1)
>[    9.611446] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[    9.613463] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0040 w(1)
>[    9.613483] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[    9.613496] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[    9.614333] [drm:drm_add_edid_modes] HDMI: DVI dual 0, max TMDS clock 600000 kHz
>[    9.614342] [drm:drm_add_edid_modes] HF-VSDB: max TMDS clock 600000 kHz
>[    9.614351] [drm:drm_edid_to_eld] ELD monitor S277HK
>[    9.614360] [drm:drm_edid_to_eld] HDMI: latency present 0 0, video latency 0 1, audio latency 96 2
>[    9.614367] [drm:drm_edid_to_eld] ELD size 32, SAD count 1
>[    9.614838] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2] probed modes :
>[    9.614851] [drm:drm_mode_debug_printmodeline] Modeline 78:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[    9.614861] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[    9.614870] [drm:drm_mode_debug_printmodeline] Modeline 134:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[    9.614878] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[    9.614887] [drm:drm_mode_debug_printmodeline] Modeline 121:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[    9.614896] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[    9.614905] [drm:drm_mode_debug_printmodeline] Modeline 81:"3840x2160" 24 209800 3840 3888 3920 4000 2160 2163 2168 2185 0x40 0x5
>[    9.614914] [drm:drm_mode_debug_printmodeline] Modeline 80:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9
>[    9.614922] [drm:drm_mode_debug_printmodeline] Modeline 79:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    9.614931] [drm:drm_mode_debug_printmodeline] Modeline 122:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[    9.614940] [drm:drm_mode_debug_printmodeline] Modeline 104:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    9.614949] [drm:drm_mode_debug_printmodeline] Modeline 126:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[    9.614958] [drm:drm_mode_debug_printmodeline] Modeline 111:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[    9.614967] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[    9.614976] [drm:drm_mode_debug_printmodeline] Modeline 115:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    9.614984] [drm:drm_mode_debug_printmodeline] Modeline 132:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[    9.614993] [drm:drm_mode_debug_printmodeline] Modeline 87:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[    9.615002] [drm:drm_mode_debug_printmodeline] Modeline 95:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    9.615011] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    9.615020] [drm:drm_mode_debug_printmodeline] Modeline 86:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[    9.615029] [drm:drm_mode_debug_printmodeline] Modeline 83:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[    9.615038] [drm:drm_mode_debug_printmodeline] Modeline 82:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    9.615046] [drm:drm_mode_debug_printmodeline] Modeline 85:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    9.615055] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[    9.615064] [drm:drm_mode_debug_printmodeline] Modeline 113:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[    9.615073] [drm:drm_mode_debug_printmodeline] Modeline 96:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    9.615082] [drm:drm_mode_debug_printmodeline] Modeline 97:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[    9.615091] [drm:drm_mode_debug_printmodeline] Modeline 98:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    9.615100] [drm:drm_mode_debug_printmodeline] Modeline 99:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[    9.615108] [drm:drm_mode_debug_printmodeline] Modeline 100:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    9.615117] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[    9.615126] [drm:drm_mode_debug_printmodeline] Modeline 88:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    9.615135] [drm:drm_mode_debug_printmodeline] Modeline 89:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[    9.615143] [drm:drm_mode_debug_printmodeline] Modeline 112:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    9.615152] [drm:drm_mode_debug_printmodeline] Modeline 109:"720x576i" 50 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[    9.615161] [drm:drm_mode_debug_printmodeline] Modeline 128:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    9.615170] [drm:drm_mode_debug_printmodeline] Modeline 106:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    9.615179] [drm:drm_mode_debug_printmodeline] Modeline 130:"720x480i" 60 13514 720 739 801 858 480 488 494 525 0x40 0x101a
>[    9.615187] [drm:drm_mode_debug_printmodeline] Modeline 108:"720x480i" 60 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[    9.615222] [drm:drm_mode_debug_printmodeline] Modeline 90:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    9.615231] [drm:drm_mode_debug_printmodeline] Modeline 91:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[    9.615240] [drm:drm_mode_debug_printmodeline] Modeline 92:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[    9.615249] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    9.615258] [drm:drm_mode_debug_printmodeline] Modeline 93:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    9.615266] [drm:drm_mode_debug_printmodeline] Modeline 94:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    9.621917] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
>[    9.656078] [drm:intel_backlight_device_update_status [i915]] updating intel_backlight, brightness=67764/96000
>[    9.656212] [drm:intel_panel_actually_set_backlight [i915]] set backlight PWM = 67764
>[    9.697017] [drm:drm_mode_addfb2] [FB:62]
>[    9.709615] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC298: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
>[    9.709625] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
>[    9.709632] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
>[    9.709637] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
>[    9.709642] snd_hda_codec_realtek hdaudioC0D0:    inputs:
>[    9.709649] snd_hda_codec_realtek hdaudioC0D0:      Mic=0x18
>[    9.709654] snd_hda_codec_realtek hdaudioC0D0:      Internal Mic=0x12
>[    9.981802] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[   10.229409] [drm:drm_mode_addfb2] [FB:62]
>[   10.229652] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   10.229789] [drm:drm_mode_setcrtc] [CONNECTOR:60:eDP-1]
>[   10.263919] [drm:drm_mode_addfb2] [FB:107]
>[   10.263997] [drm:drm_mode_setcrtc] [CRTC:47:pipe B]
>[   10.264071] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[   10.358174] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   10.358293] [drm:drm_mode_setcrtc] [CONNECTOR:60:eDP-1]
>[   10.382706] [drm:drm_mode_setcrtc] [CRTC:47:pipe B]
>[   10.382798] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[   10.425031] Adding 16642044k swap on /dev/sda3.  Priority:-1 extents:1 across:16642044k SSFS
>[   10.735326] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[   10.767552] [drm:i915_audio_component_get_eld [i915]] Not valid for port B
>[   10.767712] [drm:i915_audio_component_get_eld [i915]] Not valid for port D
>[   10.767986] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[   10.799469] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:0e.0/sound/card0/input6
>[   10.816522] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:0e.0/sound/card0/input7
>[   10.835438] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:0e.0/sound/card0/input8
>[   10.836521] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:0e.0/sound/card0/input9
>[   10.837526] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:0e.0/sound/card0/input10
>[   10.900364] r8169 0000:01:00.0 enp1s0: link down
>[   10.901188] r8169 0000:01:00.0 enp1s0: link down
>[   10.901729] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready
>[   11.270615] new mount options do not match the existing superblock, will be ignored
>[   12.025024] [drm:edp_panel_vdd_off_sync [i915]] Turning eDP port A VDD off
>[   12.025121] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[   12.025201] [drm:intel_power_well_disable [i915]] disabling AUX A
>[   12.025804] [drm:skl_set_power_well [i915]] Disabling AUX A
>[   14.960642] r8169 0000:01:00.0 enp1s0: link up
>[   14.960685] IPv6: ADDRCONF(NETDEV_CHANGE): enp1s0: link becomes ready
>[   19.175163] [drm:drm_fb_helper_hotplug_event] 
>[   19.175180] [drm:drm_setup_crtcs] 
>[   19.175203] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1]
>[   19.175364] [drm:intel_dp_detect [i915]] [CONNECTOR:60:eDP-1]
>[   19.175496] [drm:intel_power_well_enable [i915]] enabling AUX A
>[   19.175601] [drm:skl_set_power_well [i915]] Enabling AUX A
>[   19.175681] [drm:intel_dp_detect [i915]] Display Port TPS3 support: source yes, sink no
>[   19.175758] [drm:intel_dp_print_rates [i915]] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[   19.175831] [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
>[   19.175901] [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
>[   19.176112] [drm:edp_panel_vdd_on [i915]] Turning eDP port A VDD on
>[   19.176207] [drm:edp_panel_vdd_on [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006f
>[   19.177192] [drm:intel_dp_read_desc [i915]] DP sink: OUI 00-1c-f8 dev-ID q\006UA\022\001 HW-rev 10.0 SW-rev 1.41
>[   19.178191] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   19.178255] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:60:eDP-1] probed modes :
>[   19.178264] [drm:drm_mode_debug_printmodeline] Modeline 61:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[   19.178272] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1]
>[   19.178348] [drm:intel_dp_detect [i915]] [CONNECTOR:68:DP-1]
>[   19.178421] [drm:intel_power_well_enable [i915]] enabling dpio-common-b
>[   19.179386] [drm:intel_power_well_enable [i915]] enabling AUX B
>[   19.179477] [drm:skl_set_power_well [i915]] Enabling AUX B
>[   19.179553] [drm:intel_power_well_disable [i915]] disabling AUX B
>[   19.179628] [drm:skl_set_power_well [i915]] Disabling AUX B
>[   19.179704] [drm:intel_power_well_disable [i915]] disabling dpio-common-b
>[   19.179718] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:68:DP-1] disconnected
>[   19.179727] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1]
>[   19.179804] [drm:intel_hdmi_detect [i915]] [CONNECTOR:72:HDMI-A-1]
>[   19.182048] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[   19.182137] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[   19.184321] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[   19.184335] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[   19.186471] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[   19.186547] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[   19.188707] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
>[   19.188719] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[   19.188731] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:72:HDMI-A-1] disconnected
>[   19.188741] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2]
>[   19.188828] [drm:intel_hdmi_detect [i915]] [CONNECTOR:75:HDMI-A-2]
>[   19.265472] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0040 w(1)
>[   19.265547] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[   19.267395] [drm:gmbus_xfer [i915]] GMBUS [i915 gmbus dpc] NAK for addr: 0040 w(1)
>[   19.267410] [drm:drm_dp_dual_mode_detect] DP dual mode HDMI ID:  (err -6)
>[   19.267420] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[   19.268286] [drm:drm_add_edid_modes] HDMI: DVI dual 0, max TMDS clock 600000 kHz
>[   19.268292] [drm:drm_add_edid_modes] HF-VSDB: max TMDS clock 600000 kHz
>[   19.268298] [drm:drm_edid_to_eld] ELD monitor S277HK
>[   19.268305] [drm:drm_edid_to_eld] HDMI: latency present 0 0, video latency 0 1, audio latency 96 2
>[   19.268310] [drm:drm_edid_to_eld] ELD size 32, SAD count 1
>[   19.268834] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:75:HDMI-A-2] probed modes :
>[   19.268843] [drm:drm_mode_debug_printmodeline] Modeline 78:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[   19.268851] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   19.268858] [drm:drm_mode_debug_printmodeline] Modeline 134:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   19.268865] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[   19.268871] [drm:drm_mode_debug_printmodeline] Modeline 121:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[   19.268878] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[   19.268885] [drm:drm_mode_debug_printmodeline] Modeline 81:"3840x2160" 24 209800 3840 3888 3920 4000 2160 2163 2168 2185 0x40 0x5
>[   19.268892] [drm:drm_mode_debug_printmodeline] Modeline 80:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9
>[   19.268898] [drm:drm_mode_debug_printmodeline] Modeline 79:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   19.268905] [drm:drm_mode_debug_printmodeline] Modeline 122:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   19.268912] [drm:drm_mode_debug_printmodeline] Modeline 104:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[   19.268919] [drm:drm_mode_debug_printmodeline] Modeline 126:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[   19.268925] [drm:drm_mode_debug_printmodeline] Modeline 111:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[   19.268932] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[   19.268939] [drm:drm_mode_debug_printmodeline] Modeline 115:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[   19.268946] [drm:drm_mode_debug_printmodeline] Modeline 132:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[   19.268952] [drm:drm_mode_debug_printmodeline] Modeline 87:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[   19.268959] [drm:drm_mode_debug_printmodeline] Modeline 95:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   19.268966] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   19.268973] [drm:drm_mode_debug_printmodeline] Modeline 86:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[   19.268980] [drm:drm_mode_debug_printmodeline] Modeline 83:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[   19.268986] [drm:drm_mode_debug_printmodeline] Modeline 82:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[   19.268993] [drm:drm_mode_debug_printmodeline] Modeline 85:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   19.269000] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   19.269007] [drm:drm_mode_debug_printmodeline] Modeline 113:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[   19.269013] [drm:drm_mode_debug_printmodeline] Modeline 96:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[   19.269020] [drm:drm_mode_debug_printmodeline] Modeline 97:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[   19.269027] [drm:drm_mode_debug_printmodeline] Modeline 98:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   19.269033] [drm:drm_mode_debug_printmodeline] Modeline 99:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[   19.269040] [drm:drm_mode_debug_printmodeline] Modeline 100:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[   19.269047] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[   19.269053] [drm:drm_mode_debug_printmodeline] Modeline 88:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[   19.269060] [drm:drm_mode_debug_printmodeline] Modeline 89:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[   19.269067] [drm:drm_mode_debug_printmodeline] Modeline 112:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[   19.269074] [drm:drm_mode_debug_printmodeline] Modeline 109:"720x576i" 50 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[   19.269080] [drm:drm_mode_debug_printmodeline] Modeline 128:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[   19.269087] [drm:drm_mode_debug_printmodeline] Modeline 106:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[   19.269094] [drm:drm_mode_debug_printmodeline] Modeline 130:"720x480i" 60 13514 720 739 801 858 480 488 494 525 0x40 0x101a
>[   19.269100] [drm:drm_mode_debug_printmodeline] Modeline 108:"720x480i" 60 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[   19.269107] [drm:drm_mode_debug_printmodeline] Modeline 90:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[   19.269114] [drm:drm_mode_debug_printmodeline] Modeline 91:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[   19.269120] [drm:drm_mode_debug_printmodeline] Modeline 92:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[   19.269127] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[   19.269134] [drm:drm_mode_debug_printmodeline] Modeline 93:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[   19.269140] [drm:drm_mode_debug_printmodeline] Modeline 94:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[   19.269176] [drm:drm_setup_crtcs] connector 60 enabled? yes
>[   19.269181] [drm:drm_setup_crtcs] connector 68 enabled? no
>[   19.269186] [drm:drm_setup_crtcs] connector 72 enabled? no
>[   19.269190] [drm:drm_setup_crtcs] connector 75 enabled? yes
>[   19.269338] [drm:intel_fb_initial_config [i915]] Not using firmware configuration
>[   19.269353] [drm:drm_setup_crtcs] looking for cmdline mode on connector 60
>[   19.269358] [drm:drm_setup_crtcs] looking for preferred mode on connector 60 0
>[   19.269362] [drm:drm_setup_crtcs] found mode 1920x1080
>[   19.269366] [drm:drm_setup_crtcs] looking for cmdline mode on connector 75
>[   19.269371] [drm:drm_setup_crtcs] looking for preferred mode on connector 75 0
>[   19.269374] [drm:drm_setup_crtcs] found mode 3840x2160
>[   19.269379] [drm:drm_setup_crtcs] picking CRTCs for 3840x2160 config
>[   19.269487] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 36 (0,0)
>[   19.269503] [drm:drm_setup_crtcs] desired mode 3840x2160 set on crtc 47 (0,0)
>[   21.687574] [drm:edp_panel_vdd_off_sync [i915]] Turning eDP port A VDD off
>[   21.687672] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[   21.687753] [drm:intel_power_well_disable [i915]] disabling AUX A
>[   21.687833] [drm:skl_set_power_well [i915]] Disabling AUX A
>[   71.238360] usb 1-5: USB disconnect, device number 3
>[   72.769499] usb 1-5: new low-speed USB device number 4 using xhci_hcd
>[   72.943743] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[   72.943754] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[   72.943761] usb 1-5: Product: HP USB Optical Mouse
>[   72.943767] usb 1-5: Manufacturer: PixArt
>[   72.949450] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0003/input/input11
>[   73.004390] hid-generic 0003:03F0:094A.0003: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[   73.005164] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[   73.217547] [drm:drm_mode_addfb2] [FB:103]
>[   73.397690] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   73.397793] [drm:drm_mode_setcrtc] [CONNECTOR:60:eDP-1]
>[   78.413676] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[   78.414901] [drm:intel_edp_backlight_off.part.23 [i915]] 
>[   78.414996] [drm:intel_power_well_enable [i915]] enabling AUX A
>[   78.415126] [drm:skl_set_power_well [i915]] Enabling AUX A
>[   78.415250] [drm:intel_power_well_disable [i915]] disabling AUX A
>[   78.415372] [drm:skl_set_power_well [i915]] Disabling AUX A
>[   78.623670] [drm:intel_panel_actually_set_backlight [i915]] set backlight PWM = 0
>[   78.623994] [drm:intel_disable_pipe [i915]] disabling pipe A
>[   78.624749] [drm:intel_power_well_enable [i915]] enabling AUX A
>[   78.624880] [drm:skl_set_power_well [i915]] Enabling AUX A
>[   78.625062] [drm:edp_panel_vdd_on [i915]] Turning eDP port A VDD on
>[   78.625188] [drm:edp_panel_vdd_on [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[   78.626279] [drm:intel_edp_panel_off.part.21 [i915]] Turn eDP port A panel power off
>[   78.626454] [drm:intel_edp_panel_off.part.21 [i915]] Wait for panel power off time
>[   78.626543] [drm:wait_panel_status [i915]] mask b0000000 value 00000000 status a0000003 control 00000060
>[   78.676653] [drm:wait_panel_status [i915]] Wait complete
>[   78.676751] [drm:intel_power_well_disable [i915]] disabling AUX A
>[   78.676833] [drm:skl_set_power_well [i915]] Disabling AUX A
>[   78.676914] [drm:intel_power_well_disable [i915]] disabling DDI A IO power well
>[   78.676993] [drm:skl_set_power_well [i915]] Disabling DDI A IO power well
>[   78.677146] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[   78.677449] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL A (active 1, on? 1) for crtc 36
>[   78.677748] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL A
>[   78.677957] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[   78.678042] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[   78.678123] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[   78.678200] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[   78.678322] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[   78.678404] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[   78.678487] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:60:eDP-1]
>[   78.678574] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[   78.678655] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[   78.678733] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   78.679313] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[   78.679440] [drm:intel_hpd_irq_handler [i915]] digital hpd port A - long
>[   78.679589] [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on PIN 4 - cnt: 0
>[   78.679911] [drm:intel_dp_hpd_pulse [i915]] ignoring long hpd on eDP port A
>[   78.694736] [drm:intel_power_well_disable [i915]] disabling dpio-common-a
>[   78.694909] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[   78.695897] [drm:drm_mode_addfb2] [FB:62]
>[   79.033723] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   79.033830] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[   79.034075] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[   79.034174] [drm:intel_hdmi_compute_config [i915]] picking bpc to 8 for HDMI output
>[   79.034251] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 24 for HDMI
>[   79.034414] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[   79.034504] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[   79.034587] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 24, dithering: 0
>[   79.034666] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[   79.034744] [drm:intel_dump_pipe_config [i915]] requested mode:
>[   79.034762] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[   79.034839] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[   79.034850] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[   79.034929] [drm:intel_dump_pipe_config [i915]] crtc timings: 533250 3840 3888 3920 4000 2160 2163 2168 2222, type: 0x48 flags: 0x9
>[   79.035009] [drm:intel_dump_pipe_config [i915]] port clock: 533250, pipe src size: 3840x2160, pixel rate 533250
>[   79.035089] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[   79.035166] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   79.035242] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[   79.035365] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[   79.035445] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[   79.035524] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] disabled, scaler_id = -1
>[   79.035600] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[   79.035675] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[   79.035751] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[   79.035825] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[   79.035907] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[   79.036006] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[   79.036081] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[   79.037450] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe B
>[   79.037679] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[   79.038425] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   79.058407] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   79.058703] [drm:intel_disable_pipe [i915]] disabling pipe B
>[   79.061309] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[   79.061393] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[   79.061540] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 2, on? 1) for crtc 47
>[   79.061836] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[   79.062043] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[   79.062122] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[   79.062201] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[   79.062325] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[   79.062405] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[   79.062484] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[   79.062566] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[   79.062651] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[   79.062729] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   79.062914] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[   79.062991] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[   79.063959] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[   79.064037] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[   79.065481] [drm:intel_enable_pipe [i915]] enabling pipe A
>[   79.065585] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   79.085840] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   79.085938] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[   79.086020] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[   79.086157] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 533250 not found, falling back to defaults
>[   79.086401] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[   79.086479] [drm:hsw_audio_config_update [i915]] using automatic N
>[   79.086873] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[   79.087037] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[   79.103123] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[   79.103227] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[   79.103533] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   79.103672] [drm:intel_atomic_commit_tail [i915]] [CRTC:47:pipe B]
>[   84.104461] [drm:drm_mode_addfb2] [FB:103]
>[   84.437595] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   84.437702] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[   84.437921] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[   84.438016] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[   84.438094] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[   84.438177] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[   84.438260] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[   84.438398] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[   84.438484] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[   84.438564] [drm:intel_dump_pipe_config [i915]] requested mode:
>[   84.438578] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   84.438655] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[   84.438673] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   84.438755] [drm:intel_dump_pipe_config [i915]] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x40 flags: 0x5
>[   84.438833] [drm:intel_dump_pipe_config [i915]] port clock: 445500, pipe src size: 3840x2160, pixel rate 297000
>[   84.438910] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[   84.438988] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   84.439066] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[   84.439150] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4100, ebb4: 0x2000,pll0: 0x1a, pll1: 0x100, pll2: 0x2a6666, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[   84.439225] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[   84.439348] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[   84.439432] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[   84.439511] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[   84.439589] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[   84.439663] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[   84.439739] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[   84.439820] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[   84.439918] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[   84.439995] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[   84.441325] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[   84.441419] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[   84.441542] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   84.461646] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   84.461764] [drm:intel_disable_pipe [i915]] disabling pipe A
>[   84.469830] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[   84.469914] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[   84.470005] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[   84.470096] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[   84.470357] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[   84.470457] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[   84.470533] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[   84.470608] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[   84.470682] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[   84.470757] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[   84.470830] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[   84.470907] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[   84.470987] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[   84.471066] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   84.471200] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[   84.471317] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[   84.472391] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[   84.472469] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[   84.473825] [drm:intel_enable_pipe [i915]] enabling pipe A
>[   84.473929] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   84.494108] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   84.494206] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[   84.494413] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[   84.494515] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 297000 not found, falling back to defaults
>[   84.494588] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[   84.494661] [drm:hsw_audio_config_update [i915]] using automatic N
>[   84.494822] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[   84.494898] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[   84.528064] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[   84.528187] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[   84.528493] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   89.529320] [drm:drm_mode_addfb2] [FB:62]
>[   89.856418] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   89.856526] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[   89.856748] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[   89.856848] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[   89.856925] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[   89.857008] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[   89.857091] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[   89.857173] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[   89.857248] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[   89.857389] [drm:intel_dump_pipe_config [i915]] requested mode:
>[   89.857408] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   89.857485] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[   89.857502] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   89.857581] [drm:intel_dump_pipe_config [i915]] crtc timings: 296703 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x40 flags: 0x5
>[   89.857660] [drm:intel_dump_pipe_config [i915]] port clock: 445054, pipe src size: 3840x2160, pixel rate 296703
>[   89.857738] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[   89.857817] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   89.857896] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[   89.857984] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6100, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[   89.858059] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[   89.858141] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[   89.858219] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[   89.858334] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[   89.858414] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[   89.858491] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[   89.858565] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[   89.858649] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[   89.858747] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[   89.858823] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[   89.860055] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[   89.860150] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[   89.860316] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   89.880283] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   89.880498] [drm:intel_disable_pipe [i915]] disabling pipe A
>[   89.894396] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[   89.894483] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[   89.894579] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[   89.894669] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[   89.894886] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[   89.894986] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[   89.895063] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[   89.895142] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[   89.895217] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[   89.895330] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[   89.895409] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[   89.895488] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[   89.895571] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[   89.895651] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   89.895784] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[   89.895856] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[   89.896080] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[   89.896157] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[   89.897567] [drm:intel_enable_pipe [i915]] enabling pipe A
>[   89.897670] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   89.917869] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   89.917968] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[   89.918048] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[   89.918147] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 296703 not found, falling back to defaults
>[   89.918225] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[   89.918380] [drm:hsw_audio_config_update [i915]] using automatic N
>[   89.918547] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[   89.918624] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[   89.951849] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[   89.951972] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[   89.952148] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   94.952986] [drm:drm_mode_addfb2] [FB:103]
>[   95.280836] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[   95.280945] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[   95.281167] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[   95.281267] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[   95.281410] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[   95.281502] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[   95.281589] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[   95.281670] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[   95.281747] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[   95.281824] [drm:intel_dump_pipe_config [i915]] requested mode:
>[   95.281839] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[   95.281919] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[   95.281930] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[   95.282008] [drm:intel_dump_pipe_config [i915]] crtc timings: 297000 3840 4896 4984 5280 2160 2168 2178 2250, type: 0x40 flags: 0x5
>[   95.282085] [drm:intel_dump_pipe_config [i915]] port clock: 445500, pipe src size: 3840x2160, pixel rate 297000
>[   95.282161] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[   95.282236] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   95.282356] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[   95.282442] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6100, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x18425b, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[   95.282521] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[   95.282607] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[   95.282685] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[   95.282764] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[   95.282839] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[   95.282913] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[   95.282987] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[   95.283069] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[   95.283168] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[   95.283244] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[   95.284529] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[   95.284624] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[   95.284744] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   95.304656] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   95.304773] [drm:intel_disable_pipe [i915]] disabling pipe A
>[   95.323775] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[   95.323861] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[   95.323961] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[   95.324057] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[   95.324405] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[   95.324507] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[   95.324585] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[   95.324660] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[   95.324733] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[   95.324805] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[   95.324879] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[   95.324956] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[   95.325037] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[   95.325115] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[   95.325248] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[   95.325391] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[   95.325621] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[   95.325698] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[   95.327092] [drm:intel_enable_pipe [i915]] enabling pipe A
>[   95.327201] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[   95.347429] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[   95.347527] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[   95.347607] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[   95.347705] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 297000 not found, falling back to defaults
>[   95.347783] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[   95.347853] [drm:hsw_audio_config_update [i915]] using automatic N
>[   95.348016] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[   95.348091] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[   95.388055] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[   95.388178] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[   95.388480] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  100.389200] [drm:drm_mode_addfb2] [FB:62]
>[  100.713869] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  100.713966] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  100.714183] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  100.714339] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  100.714427] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  100.714516] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  100.714600] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  100.714680] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  100.714761] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  100.714839] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  100.714852] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  100.714927] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  100.714939] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  100.715016] [drm:intel_dump_pipe_config [i915]] crtc timings: 297000 3840 5116 5204 5500 2160 2168 2178 2250, type: 0x40 flags: 0x5
>[  100.715095] [drm:intel_dump_pipe_config [i915]] port clock: 445500, pipe src size: 3840x2160, pixel rate 297000
>[  100.715170] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  100.715248] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  100.715365] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  100.715453] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6100, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[  100.715534] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  100.715616] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[  100.715695] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[  100.715779] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  100.715858] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  100.715933] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  100.716007] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  100.716089] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  100.716184] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  100.716261] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  100.717498] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  100.717593] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  100.717714] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  100.735728] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  100.735845] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  100.747789] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  100.747872] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  100.747962] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  100.748051] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  100.748309] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  100.748410] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  100.748486] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  100.748560] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  100.748635] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  100.748710] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  100.748783] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  100.748861] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  100.748941] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  100.749017] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  100.749151] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  100.749225] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  100.749486] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  100.749564] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  100.750951] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  100.751053] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  100.771428] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  100.771526] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  100.771606] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  100.771705] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 297000 not found, falling back to defaults
>[  100.771782] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  100.771853] [drm:hsw_audio_config_update [i915]] using automatic N
>[  100.772017] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[  100.772093] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  100.813717] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  100.813839] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  100.814014] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  105.814864] [drm:drm_mode_addfb2] [FB:103]
>[  106.138292] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  106.138390] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  106.138612] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  106.138709] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  106.138787] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  106.138871] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  106.138954] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  106.139035] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  106.139112] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  106.139187] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  106.139256] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  106.139335] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  106.139353] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  106.139433] [drm:intel_dump_pipe_config [i915]] crtc timings: 296703 3840 5116 5204 5500 2160 2168 2178 2250, type: 0x40 flags: 0x5
>[  106.139513] [drm:intel_dump_pipe_config [i915]] port clock: 445054, pipe src size: 3840x2160, pixel rate 296703
>[  106.139592] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  106.139669] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  106.139746] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  106.139834] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6100, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[  106.139912] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  106.139997] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[  106.140075] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[  106.140149] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  106.140227] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  106.140333] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  106.140411] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  106.140491] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  106.140589] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  106.140666] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  106.141822] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  106.141916] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  106.142036] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  106.161887] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  106.162005] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  106.270907] ------------[ cut here ]------------
>[  106.271017] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  106.271023] pipe_off wait timed out
>[  106.271028] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  106.271141] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  106.271147] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  106.271151] Call Trace:
>[  106.271166]  dump_stack+0x67/0x92
>[  106.271177]  __warn+0xc6/0xe0
>[  106.271186]  warn_slowpath_fmt+0x46/0x50
>[  106.271270]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  106.271349]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  106.271428]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  106.271439]  ? __lock_is_held+0x76/0xc0
>[  106.271522]  intel_atomic_commit+0x411/0x520 [i915]
>[  106.271535]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  106.271542]  ? drm_connector_list_iter_end+0x2f/0x40
>[  106.271550]  ? handle_conflicting_encoders+0x270/0x290
>[  106.271558]  drm_atomic_commit+0x46/0x50
>[  106.271565]  drm_atomic_helper_set_config+0x79/0x90
>[  106.271575]  __drm_mode_set_config_internal+0x60/0x110
>[  106.271583]  drm_mode_setcrtc+0x3e9/0x5f0
>[  106.271606]  drm_ioctl+0x1f4/0x480
>[  106.271612]  ? drm_mode_getcrtc+0x180/0x180
>[  106.271628]  ? __vfs_write+0x23/0x120
>[  106.271636]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  106.271646]  do_vfs_ioctl+0x90/0x6e0
>[  106.271655]  ? vfs_write+0x1ab/0x1f0
>[  106.271662]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  106.271671]  SyS_ioctl+0x3c/0x70
>[  106.271682]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  106.271688] RIP: 0033:0x7f271641a8b7
>[  106.271693] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  106.271702] RAX: ffffffffffffffda RBX: 00007ffe037f9640 RCX: 00007f271641a8b7
>[  106.271706] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  106.271711] RBP: 00007ffe037f9630 R08: 0000000000000000 R09: 0000000001806de8
>[  106.271715] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000437420
>[  106.271722] R13: 00007ffe037f9800 R14: 0000000000000000 R15: 00000000fbad8000
>[  106.271861] ---[ end trace d4359a63dd210d4f ]---
>[  106.271972] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  106.272056] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  106.272149] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  106.272241] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  106.272488] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  106.272583] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  106.272659] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  106.272737] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  106.272809] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  106.272882] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  106.272953] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  106.273028] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  106.273108] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  106.273183] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  106.273360] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  106.273435] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  106.273663] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  106.273742] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  106.275076] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  106.275190] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  106.295441] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  106.295538] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  106.295618] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  106.295717] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 296703 not found, falling back to defaults
>[  106.295793] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  106.295863] [drm:hsw_audio_config_update [i915]] using automatic N
>[  106.296027] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[  106.296103] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  106.337760] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  106.337883] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  106.338058] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  111.338903] [drm:drm_mode_addfb2] [FB:62]
>[  111.661246] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  111.661346] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  111.661566] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  111.661661] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  111.661739] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  111.661823] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  111.661907] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  111.661988] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  111.662064] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  111.662138] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  111.662151] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 24 209800 3840 3888 3920 4000 2160 2163 2168 2185 0x40 0x5
>[  111.662224] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  111.662291] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 24 209800 3840 3888 3920 4000 2160 2163 2168 2185 0x40 0x5
>[  111.662368] [drm:intel_dump_pipe_config [i915]] crtc timings: 209800 3840 3888 3920 4000 2160 2163 2168 2185, type: 0x40 flags: 0x5
>[  111.662453] [drm:intel_dump_pipe_config [i915]] port clock: 314700, pipe src size: 3840x2160, pixel rate 209800
>[  111.662533] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  111.662612] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  111.662687] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  111.662776] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6100, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x18425b, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[  111.662853] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  111.662938] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[  111.663016] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[  111.663099] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  111.663178] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  111.663255] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  111.663359] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  111.663440] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  111.663540] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  111.663617] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  111.664774] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  111.664869] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  111.664992] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  111.684928] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  111.685047] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  111.816988] ------------[ cut here ]------------
>[  111.817097] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  111.817103] pipe_off wait timed out
>[  111.817108] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  111.817352] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  111.817360] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  111.817364] Call Trace:
>[  111.817377]  dump_stack+0x67/0x92
>[  111.817387]  __warn+0xc6/0xe0
>[  111.817397]  warn_slowpath_fmt+0x46/0x50
>[  111.817483]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  111.817568]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  111.817655]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  111.817667]  ? __lock_is_held+0x76/0xc0
>[  111.817757]  intel_atomic_commit+0x411/0x520 [i915]
>[  111.817768]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  111.817778]  ? drm_connector_list_iter_end+0x2f/0x40
>[  111.817786]  ? handle_conflicting_encoders+0x270/0x290
>[  111.817794]  drm_atomic_commit+0x46/0x50
>[  111.817802]  drm_atomic_helper_set_config+0x79/0x90
>[  111.817811]  __drm_mode_set_config_internal+0x60/0x110
>[  111.817820]  drm_mode_setcrtc+0x3e9/0x5f0
>[  111.817846]  drm_ioctl+0x1f4/0x480
>[  111.817852]  ? drm_mode_getcrtc+0x180/0x180
>[  111.817868]  ? __vfs_write+0x23/0x120
>[  111.817877]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  111.817888]  do_vfs_ioctl+0x90/0x6e0
>[  111.817897]  ? vfs_write+0x1ab/0x1f0
>[  111.817904]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  111.817914]  SyS_ioctl+0x3c/0x70
>[  111.817926]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  111.817932] RIP: 0033:0x7f271641a8b7
>[  111.817937] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  111.817946] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  111.817951] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  111.817956] RBP: 000000000184cf10 R08: 0000000000000000 R09: 0000000001806de8
>[  111.817960] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000000003d
>[  111.817966] R13: 000000000000057a R14: 0000000001000100 R15: 00000000ff000000
>[  111.817981] ---[ end trace d4359a63dd210d50 ]---
>[  111.818088] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  111.818168] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  111.818261] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  111.818408] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  111.818629] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  111.818726] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  111.818801] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  111.818877] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  111.818949] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  111.819022] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  111.819096] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  111.819172] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  111.819251] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  111.819364] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  111.819501] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  111.819575] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  111.819799] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  111.819877] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  111.821243] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  111.821379] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  111.841500] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  111.841598] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  111.841679] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  111.841777] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 209800 not found, falling back to defaults
>[  111.841855] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  111.841925] [drm:hsw_audio_config_update [i915]] using automatic N
>[  111.842089] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[  111.842165] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  111.883767] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  111.883889] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  111.884065] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  116.884913] [drm:drm_mode_addfb2] [FB:103]
>[  117.130291] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  117.130391] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  117.130615] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  117.130709] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  117.130786] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  117.130870] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  117.130952] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  117.131033] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  117.131110] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  117.131184] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  117.131199] [drm:drm_mode_debug_printmodeline] Modeline 0:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9
>[  117.131335] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  117.131353] [drm:drm_mode_debug_printmodeline] Modeline 0:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9
>[  117.131433] [drm:intel_dump_pipe_config [i915]] crtc timings: 241500 2560 2608 2640 2720 1440 1443 1448 1481, type: 0x40 flags: 0x9
>[  117.131514] [drm:intel_dump_pipe_config [i915]] port clock: 362250, pipe src size: 2560x1440, pixel rate 241500
>[  117.131593] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  117.131670] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  117.131751] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  117.131841] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1f, pll1: 0x100, pll2: 0x1e147b, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[  117.131919] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  117.132005] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[  117.132084] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+3840+2160 dst 0x0+3840+2160
>[  117.132158] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  117.132238] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  117.132344] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  117.132420] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  117.132500] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  117.132598] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  117.132675] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  117.133325] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  117.133423] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  117.133549] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  117.153579] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  117.153697] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  117.279124] ------------[ cut here ]------------
>[  117.279234] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  117.279364] pipe_off wait timed out
>[  117.279372] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  117.279483] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  117.279488] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  117.279493] Call Trace:
>[  117.279506]  dump_stack+0x67/0x92
>[  117.279518]  __warn+0xc6/0xe0
>[  117.279528]  warn_slowpath_fmt+0x46/0x50
>[  117.279613]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  117.279692]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  117.279773]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  117.279783]  ? __lock_is_held+0x76/0xc0
>[  117.279868]  intel_atomic_commit+0x411/0x520 [i915]
>[  117.279882]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  117.279890]  ? drm_connector_list_iter_end+0x2f/0x40
>[  117.279898]  ? handle_conflicting_encoders+0x270/0x290
>[  117.279906]  drm_atomic_commit+0x46/0x50
>[  117.279914]  drm_atomic_helper_set_config+0x79/0x90
>[  117.279923]  __drm_mode_set_config_internal+0x60/0x110
>[  117.279933]  drm_mode_setcrtc+0x3e9/0x5f0
>[  117.279957]  drm_ioctl+0x1f4/0x480
>[  117.279963]  ? drm_mode_getcrtc+0x180/0x180
>[  117.279979]  ? __vfs_write+0x23/0x120
>[  117.279986]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  117.279996]  do_vfs_ioctl+0x90/0x6e0
>[  117.280005]  ? vfs_write+0x1ab/0x1f0
>[  117.280013]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  117.280022]  SyS_ioctl+0x3c/0x70
>[  117.280033]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  117.280039] RIP: 0033:0x7f271641a8b7
>[  117.280043] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  117.280053] RAX: ffffffffffffffda RBX: 000000000180ca60 RCX: 00007f271641a8b7
>[  117.280057] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  117.280062] RBP: 00007f27166deb00 R08: 0000000000000000 R09: 0000000001806de8
>[  117.280066] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000180cad0
>[  117.280071] R13: 0000000000000050 R14: 0000000000000020 R15: 0000000000000000
>[  117.280086] ---[ end trace d4359a63dd210d51 ]---
>[  117.280194] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  117.280315] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  117.280418] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  117.280515] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  117.280736] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  117.280834] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  117.280909] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  117.280983] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  117.281055] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  117.281128] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  117.281199] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  117.281313] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  117.281397] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  117.281477] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  117.281614] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  117.281687] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  117.281912] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  117.281991] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  117.283339] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  117.283449] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  117.303635] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  117.303734] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  117.303814] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  117.303912] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 241500 not found, falling back to defaults
>[  117.303990] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  117.304060] [drm:hsw_audio_config_update [i915]] using automatic N
>[  117.304225] [drm:intel_fbc_enable [i915]] reserved 29491200 bytes of contiguous stolen space for FBC, threshold: 1
>[  117.304395] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  117.320922] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  117.321045] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  117.321221] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  122.322060] [drm:drm_mode_addfb2] [FB:62]
>[  122.541537] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  122.541636] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  122.541858] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  122.541948] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  122.542026] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  122.542111] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  122.542195] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  122.542339] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  122.542422] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  122.542504] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  122.542518] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  122.542596] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  122.542611] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  122.542691] [drm:intel_dump_pipe_config [i915]] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[  122.542772] [drm:intel_dump_pipe_config [i915]] port clock: 222750, pipe src size: 1920x1080, pixel rate 148500
>[  122.542851] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  122.542926] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  122.543007] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  122.543091] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0xacccd, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[  122.543167] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  122.543245] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 2560x1440 format = XR24 little-endian (0x34325258)
>[  122.543363] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+2560+1440 dst 0x0+2560+1440
>[  122.543444] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  122.543523] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  122.543598] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  122.543675] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  122.543754] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  122.543852] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  122.543929] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  122.544456] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  122.544551] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  122.544673] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  122.564633] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  122.564751] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  122.669545] ------------[ cut here ]------------
>[  122.669654] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  122.669660] pipe_off wait timed out
>[  122.669665] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  122.669777] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  122.669782] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  122.669787] Call Trace:
>[  122.669802]  dump_stack+0x67/0x92
>[  122.669812]  __warn+0xc6/0xe0
>[  122.669822]  warn_slowpath_fmt+0x46/0x50
>[  122.669906]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  122.669984]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  122.670062]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  122.670074]  ? __lock_is_held+0x76/0xc0
>[  122.670157]  intel_atomic_commit+0x411/0x520 [i915]
>[  122.670170]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  122.670177]  ? drm_connector_list_iter_end+0x2f/0x40
>[  122.670185]  ? handle_conflicting_encoders+0x270/0x290
>[  122.670193]  drm_atomic_commit+0x46/0x50
>[  122.670200]  drm_atomic_helper_set_config+0x79/0x90
>[  122.670210]  __drm_mode_set_config_internal+0x60/0x110
>[  122.670217]  drm_mode_setcrtc+0x3e9/0x5f0
>[  122.670243]  drm_ioctl+0x1f4/0x480
>[  122.670249]  ? drm_mode_getcrtc+0x180/0x180
>[  122.670265]  ? __vfs_write+0x23/0x120
>[  122.670272]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  122.670282]  do_vfs_ioctl+0x90/0x6e0
>[  122.670291]  ? vfs_write+0x1ab/0x1f0
>[  122.670298]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  122.670307]  SyS_ioctl+0x3c/0x70
>[  122.670318]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  122.670324] RIP: 0033:0x7f271641a8b7
>[  122.670329] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  122.670338] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  122.670343] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  122.670347] RBP: 000000000184cfd8 R08: 0000000000000000 R09: 0000000001806de8
>[  122.670352] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000017
>[  122.670359] R13: 00000000000003d0 R14: 0000000001000100 R15: 00000000ff000000
>[  122.670502] ---[ end trace d4359a63dd210d52 ]---
>[  122.670614] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  122.670698] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  122.670789] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  122.670886] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  122.671104] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  122.671199] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  122.671305] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  122.671383] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  122.671457] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  122.671530] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  122.671601] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  122.671678] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  122.671757] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  122.671833] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  122.671967] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  122.672040] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  122.672317] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  122.672401] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  122.673693] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  122.673803] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  122.694104] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  122.694202] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  122.694406] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  122.694508] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 148500 (0x00090000)
>[  122.694581] [drm:hsw_audio_config_update [i915]] using automatic N
>[  122.694745] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  122.694822] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  122.711466] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  122.711590] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  122.711764] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  127.712493] [drm:drm_mode_addfb2] [FB:103]
>[  127.928357] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  127.928457] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  127.928681] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  127.928773] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  127.928853] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  127.928953] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  127.929038] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  127.929118] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  127.929194] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  127.929325] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  127.929345] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  127.929425] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  127.929441] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  127.929521] [drm:intel_dump_pipe_config [i915]] crtc timings: 148352 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[  127.929600] [drm:intel_dump_pipe_config [i915]] port clock: 222528, pipe src size: 1920x1080, pixel rate 148352
>[  127.929679] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  127.929757] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  127.929835] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  127.929920] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6200, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  127.929996] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  127.930076] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  127.930155] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  127.930229] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  127.930345] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  127.930425] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  127.930503] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  127.930585] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  127.930683] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  127.930760] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  127.931210] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  127.931346] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  127.931469] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  127.950489] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  127.950608] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  128.066311] ------------[ cut here ]------------
>[  128.066420] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  128.066426] pipe_off wait timed out
>[  128.066431] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  128.066545] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  128.066550] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  128.066555] Call Trace:
>[  128.066570]  dump_stack+0x67/0x92
>[  128.066580]  __warn+0xc6/0xe0
>[  128.066590]  warn_slowpath_fmt+0x46/0x50
>[  128.066674]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  128.066751]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  128.066830]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  128.066841]  ? __lock_is_held+0x76/0xc0
>[  128.066924]  intel_atomic_commit+0x411/0x520 [i915]
>[  128.066937]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  128.066944]  ? drm_connector_list_iter_end+0x2f/0x40
>[  128.066952]  ? handle_conflicting_encoders+0x270/0x290
>[  128.066960]  drm_atomic_commit+0x46/0x50
>[  128.066967]  drm_atomic_helper_set_config+0x79/0x90
>[  128.066977]  __drm_mode_set_config_internal+0x60/0x110
>[  128.066984]  drm_mode_setcrtc+0x3e9/0x5f0
>[  128.067009]  drm_ioctl+0x1f4/0x480
>[  128.067014]  ? drm_mode_getcrtc+0x180/0x180
>[  128.067030]  ? __vfs_write+0x23/0x120
>[  128.067038]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  128.067048]  do_vfs_ioctl+0x90/0x6e0
>[  128.067056]  ? vfs_write+0x1ab/0x1f0
>[  128.067064]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  128.067073]  SyS_ioctl+0x3c/0x70
>[  128.067084]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  128.067090] RIP: 0033:0x7f271641a8b7
>[  128.067095] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  128.067104] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  128.067108] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  128.067113] RBP: 000000000184cf18 R08: 0000000000000000 R09: 0000000001806de8
>[  128.067117] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000032
>[  128.067122] R13: 00000000000003c5 R14: 0000000001000100 R15: 00000000017e007f
>[  128.067136] ---[ end trace d4359a63dd210d53 ]---
>[  128.067244] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  128.067456] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  128.067554] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  128.067652] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  128.067871] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  128.067966] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  128.068042] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  128.068119] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  128.068191] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  128.068304] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  128.068380] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  128.068459] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  128.068540] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  128.068615] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  128.068752] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  128.068825] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  128.069049] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  128.069127] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  128.070508] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  128.070618] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  128.090842] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  128.090940] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  128.091021] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  128.091121] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 148352 (0x00080000)
>[  128.091192] [drm:hsw_audio_config_update [i915]] using automatic N
>[  128.091484] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  128.091561] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  128.108132] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  128.108257] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  128.108562] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  133.085153] usb 1-5: USB disconnect, device number 4
>[  133.109081] [drm:drm_mode_addfb2] [FB:62]
>[  133.326542] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  133.326637] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  133.326855] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  133.326942] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  133.327020] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  133.327104] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  133.327187] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  133.327329] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  133.327415] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  133.327496] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  133.327511] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  133.327587] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  133.327603] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  133.327685] [drm:intel_dump_pipe_config [i915]] crtc timings: 74250 1920 2008 2052 2200 1080 1084 1094 1125, type: 0x40 flags: 0x15
>[  133.327766] [drm:intel_dump_pipe_config [i915]] port clock: 111375, pipe src size: 1920x1080, pixel rate 74250
>[  133.327844] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  133.327919] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  133.327999] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  133.328084] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6200, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1844d0, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  133.328160] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  133.328240] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  133.328368] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  133.328450] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  133.328528] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  133.328604] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  133.328682] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  133.328763] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  133.328862] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  133.328939] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  133.329427] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  133.329523] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  133.329662] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  133.349652] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  133.349771] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  133.483310] ------------[ cut here ]------------
>[  133.483419] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  133.483425] pipe_off wait timed out
>[  133.483430] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  133.483543] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  133.483548] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  133.483552] Call Trace:
>[  133.483567]  dump_stack+0x67/0x92
>[  133.483578]  __warn+0xc6/0xe0
>[  133.483587]  warn_slowpath_fmt+0x46/0x50
>[  133.483671]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  133.483749]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  133.483828]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  133.483837]  ? __lock_is_held+0x76/0xc0
>[  133.483919]  intel_atomic_commit+0x411/0x520 [i915]
>[  133.483930]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  133.483937]  ? drm_connector_list_iter_end+0x2f/0x40
>[  133.483944]  ? handle_conflicting_encoders+0x270/0x290
>[  133.483953]  drm_atomic_commit+0x46/0x50
>[  133.483960]  drm_atomic_helper_set_config+0x79/0x90
>[  133.483969]  __drm_mode_set_config_internal+0x60/0x110
>[  133.483977]  drm_mode_setcrtc+0x3e9/0x5f0
>[  133.484002]  drm_ioctl+0x1f4/0x480
>[  133.484008]  ? drm_mode_getcrtc+0x180/0x180
>[  133.484024]  ? __vfs_write+0x23/0x120
>[  133.484031]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  133.484041]  do_vfs_ioctl+0x90/0x6e0
>[  133.484050]  ? vfs_write+0x1ab/0x1f0
>[  133.484057]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  133.484066]  SyS_ioctl+0x3c/0x70
>[  133.484077]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  133.484083] RIP: 0033:0x7f271641a8b7
>[  133.484088] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  133.484097] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  133.484101] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  133.484106] RBP: 000000000184d500 R08: 0000000000000000 R09: 0000000001806de8
>[  133.484110] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000000003a
>[  133.484117] R13: 00000000000003d0 R14: 0000000001000100 R15: 00000000ff000000
>[  133.484132] ---[ end trace d4359a63dd210d54 ]---
>[  133.484240] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  133.484450] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  133.484546] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  133.484643] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  133.484861] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  133.484956] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  133.485033] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  133.485110] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  133.485183] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  133.485255] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  133.485386] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  133.485467] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  133.485549] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  133.485625] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  133.485760] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  133.485835] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  133.486060] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  133.486139] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  133.487522] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  133.487632] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  133.507856] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  133.507955] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  133.508036] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  133.508136] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74250 (0x00070000)
>[  133.508208] [drm:hsw_audio_config_update [i915]] using automatic N
>[  133.508497] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  133.508573] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  133.525141] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  133.525264] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  133.525570] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  134.616500] usb 1-5: new low-speed USB device number 5 using xhci_hcd
>[  134.790743] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[  134.790755] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[  134.790761] usb 1-5: Product: HP USB Optical Mouse
>[  134.790767] usb 1-5: Manufacturer: PixArt
>[  134.796370] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0004/input/input12
>[  134.849404] hid-generic 0003:03F0:094A.0004: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[  134.850152] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[  138.526422] [drm:drm_mode_addfb2] [FB:103]
>[  138.740816] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  138.740918] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  138.741141] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  138.741232] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  138.741372] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  138.741463] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  138.741552] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  138.741635] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  138.741714] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  138.741791] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  138.741806] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  138.741886] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  138.741898] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  138.741976] [drm:intel_dump_pipe_config [i915]] crtc timings: 74176 1920 2008 2052 2200 1080 1084 1094 1125, type: 0x40 flags: 0x15
>[  138.742054] [drm:intel_dump_pipe_config [i915]] port clock: 111264, pipe src size: 1920x1080, pixel rate 74176
>[  138.742131] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  138.742206] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  138.742325] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  138.742414] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  138.742494] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  138.742577] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  138.742657] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  138.742737] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  138.742812] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  138.742886] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  138.742960] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  138.743043] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  138.743141] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  138.743218] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  138.743708] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  138.743804] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  138.743931] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  138.764047] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  138.764166] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  138.879263] ------------[ cut here ]------------
>[  138.879371] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  138.879377] pipe_off wait timed out
>[  138.879382] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  138.879495] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  138.879500] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  138.879505] Call Trace:
>[  138.879520]  dump_stack+0x67/0x92
>[  138.879530]  __warn+0xc6/0xe0
>[  138.879540]  warn_slowpath_fmt+0x46/0x50
>[  138.879624]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  138.879701]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  138.879780]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  138.879791]  ? __lock_is_held+0x76/0xc0
>[  138.879874]  intel_atomic_commit+0x411/0x520 [i915]
>[  138.879885]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  138.879892]  ? drm_connector_list_iter_end+0x2f/0x40
>[  138.879900]  ? handle_conflicting_encoders+0x270/0x290
>[  138.879908]  drm_atomic_commit+0x46/0x50
>[  138.879915]  drm_atomic_helper_set_config+0x79/0x90
>[  138.879924]  __drm_mode_set_config_internal+0x60/0x110
>[  138.879932]  drm_mode_setcrtc+0x3e9/0x5f0
>[  138.879957]  drm_ioctl+0x1f4/0x480
>[  138.879962]  ? drm_mode_getcrtc+0x180/0x180
>[  138.879978]  ? __vfs_write+0x23/0x120
>[  138.879986]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  138.879996]  do_vfs_ioctl+0x90/0x6e0
>[  138.880005]  ? vfs_write+0x1ab/0x1f0
>[  138.880012]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  138.880021]  SyS_ioctl+0x3c/0x70
>[  138.880032]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  138.880038] RIP: 0033:0x7f271641a8b7
>[  138.880043] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  138.880052] RAX: ffffffffffffffda RBX: 0000000001852350 RCX: 00007f271641a8b7
>[  138.880056] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  138.880061] RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000001806de8
>[  138.880065] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001858998
>[  138.880072] R13: 0000000001853288 R14: 00000000018514b0 R15: 0000000000000000
>[  138.880087] ---[ end trace d4359a63dd210d55 ]---
>[  138.880195] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  138.880409] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  138.880509] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  138.880606] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  138.880825] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  138.880920] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  138.880997] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  138.881075] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  138.881148] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  138.881221] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  138.881333] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  138.881416] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  138.881500] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  138.881576] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  138.881712] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  138.881785] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  138.882009] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  138.882087] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  138.883418] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  138.883530] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  138.903679] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  138.903777] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  138.903858] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  138.903957] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74176 (0x00060000)
>[  138.904029] [drm:hsw_audio_config_update [i915]] using automatic N
>[  138.904192] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  138.904371] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  138.920979] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  138.921103] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  138.921404] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  143.922128] [drm:drm_mode_addfb2] [FB:62]
>[  144.136386] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  144.136491] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  144.136714] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  144.136809] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  144.136887] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  144.136971] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  144.137054] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  144.137136] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  144.137212] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  144.137350] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  144.137368] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  144.137447] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  144.137463] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  144.137543] [drm:intel_dump_pipe_config [i915]] crtc timings: 148500 1920 2448 2492 2640 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[  144.137621] [drm:intel_dump_pipe_config [i915]] port clock: 222750, pipe src size: 1920x1080, pixel rate 148500
>[  144.137700] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  144.137779] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  144.137857] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  144.137944] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1844d0, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  144.138021] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  144.138103] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  144.138179] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  144.138260] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  144.138373] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  144.138454] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  144.138532] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  144.138615] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  144.138713] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  144.138790] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  144.139240] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  144.139379] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  144.139504] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  144.159491] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  144.159609] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  144.287120] ------------[ cut here ]------------
>[  144.287230] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  144.287362] pipe_off wait timed out
>[  144.287369] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  144.287480] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  144.287485] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  144.287489] Call Trace:
>[  144.287502]  dump_stack+0x67/0x92
>[  144.287512]  __warn+0xc6/0xe0
>[  144.287522]  warn_slowpath_fmt+0x46/0x50
>[  144.287611]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  144.287690]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  144.287771]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  144.287781]  ? __lock_is_held+0x76/0xc0
>[  144.287868]  intel_atomic_commit+0x411/0x520 [i915]
>[  144.287884]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  144.287893]  ? drm_connector_list_iter_end+0x2f/0x40
>[  144.287900]  ? handle_conflicting_encoders+0x270/0x290
>[  144.287908]  drm_atomic_commit+0x46/0x50
>[  144.287916]  drm_atomic_helper_set_config+0x79/0x90
>[  144.287925]  __drm_mode_set_config_internal+0x60/0x110
>[  144.287933]  drm_mode_setcrtc+0x3e9/0x5f0
>[  144.287959]  drm_ioctl+0x1f4/0x480
>[  144.287965]  ? drm_mode_getcrtc+0x180/0x180
>[  144.287981]  ? __vfs_write+0x23/0x120
>[  144.287989]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  144.287999]  do_vfs_ioctl+0x90/0x6e0
>[  144.288008]  ? vfs_write+0x1ab/0x1f0
>[  144.288015]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  144.288024]  SyS_ioctl+0x3c/0x70
>[  144.288036]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  144.288043] RIP: 0033:0x7f271641a8b7
>[  144.288048] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  144.288056] RAX: ffffffffffffffda RBX: 00000000018522d8 RCX: 00007f271641a8b7
>[  144.288061] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  144.288065] RBP: 0000000000000446 R08: 0000000000000000 R09: 0000000001806de8
>[  144.288070] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001852410
>[  144.288076] R13: 0000000001870fa0 R14: 00000000018514b0 R15: 0000000000000000
>[  144.288090] ---[ end trace d4359a63dd210d56 ]---
>[  144.288198] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  144.288325] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  144.288423] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  144.288520] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  144.288741] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  144.288837] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  144.288914] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  144.288991] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  144.289063] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  144.289135] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  144.289207] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  144.289325] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  144.289406] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  144.289485] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  144.289618] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  144.289691] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  144.289916] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  144.289995] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  144.291341] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  144.291452] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  144.311634] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  144.311732] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  144.311813] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  144.311912] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 148500 (0x00090000)
>[  144.311984] [drm:hsw_audio_config_update [i915]] using automatic N
>[  144.312149] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  144.312224] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  144.332240] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  144.332466] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  144.332642] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  149.333477] [drm:drm_mode_addfb2] [FB:103]
>[  149.548929] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  149.549034] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  149.549255] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  149.549407] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  149.549494] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  149.549583] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  149.549664] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  149.549744] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  149.549827] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  149.549904] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  149.549918] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  149.549993] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  149.550008] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  149.550086] [drm:intel_dump_pipe_config [i915]] crtc timings: 74250 1920 2448 2492 2640 1080 1084 1094 1125, type: 0x40 flags: 0x15
>[  149.550164] [drm:intel_dump_pipe_config [i915]] port clock: 111375, pipe src size: 1920x1080, pixel rate 74250
>[  149.550240] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  149.550356] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  149.550436] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  149.550524] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6200, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  149.550602] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  149.550689] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  149.550767] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  149.550848] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  149.550922] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  149.550996] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  149.551070] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  149.551154] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  149.551253] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  149.551367] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  149.551821] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  149.551935] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  149.552063] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  149.571902] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  149.572021] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  149.702353] ------------[ cut here ]------------
>[  149.702464] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  149.702469] pipe_off wait timed out
>[  149.702474] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  149.702587] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  149.702593] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  149.702597] Call Trace:
>[  149.702612]  dump_stack+0x67/0x92
>[  149.702622]  __warn+0xc6/0xe0
>[  149.702632]  warn_slowpath_fmt+0x46/0x50
>[  149.702717]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  149.702794]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  149.702874]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  149.702885]  ? __lock_is_held+0x76/0xc0
>[  149.702968]  intel_atomic_commit+0x411/0x520 [i915]
>[  149.702981]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  149.702988]  ? drm_connector_list_iter_end+0x2f/0x40
>[  149.702996]  ? handle_conflicting_encoders+0x270/0x290
>[  149.703004]  drm_atomic_commit+0x46/0x50
>[  149.703011]  drm_atomic_helper_set_config+0x79/0x90
>[  149.703021]  __drm_mode_set_config_internal+0x60/0x110
>[  149.703028]  drm_mode_setcrtc+0x3e9/0x5f0
>[  149.703055]  drm_ioctl+0x1f4/0x480
>[  149.703061]  ? drm_mode_getcrtc+0x180/0x180
>[  149.703077]  ? __vfs_write+0x23/0x120
>[  149.703084]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  149.703094]  do_vfs_ioctl+0x90/0x6e0
>[  149.703103]  ? vfs_write+0x1ab/0x1f0
>[  149.703110]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  149.703119]  SyS_ioctl+0x3c/0x70
>[  149.703130]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  149.703136] RIP: 0033:0x7f271641a8b7
>[  149.703141] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  149.703150] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  149.703155] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  149.703159] RBP: 000000000184d4e0 R08: 0000000000000000 R09: 0000000001806de8
>[  149.703164] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000000004b
>[  149.703171] R13: 00000000000003ca R14: 0000000001000100 R15: 00000000e3000000
>[  149.703185] ---[ end trace d4359a63dd210d57 ]---
>[  149.703417] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  149.703504] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  149.703596] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  149.703695] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  149.703914] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  149.704009] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  149.704085] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  149.704163] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  149.704235] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  149.704355] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  149.704431] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  149.704510] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  149.704591] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  149.704667] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  149.704802] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  149.704875] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  149.705099] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  149.705179] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  149.706516] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  149.706627] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  149.726851] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  149.726949] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  149.727029] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  149.727129] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74250 (0x00070000)
>[  149.727201] [drm:hsw_audio_config_update [i915]] using automatic N
>[  149.727487] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  149.727564] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  149.747478] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  149.747600] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  149.747776] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  154.748513] [drm:drm_mode_addfb2] [FB:62]
>[  154.962665] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  154.962770] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  154.962989] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  154.963085] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  154.963163] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  154.963247] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  154.963391] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  154.963478] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  154.963559] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  154.963639] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  154.963653] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  154.963731] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  154.963747] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  154.963828] [drm:intel_dump_pipe_config [i915]] crtc timings: 74250 1920 2558 2602 2750 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[  154.963904] [drm:intel_dump_pipe_config [i915]] port clock: 111375, pipe src size: 1920x1080, pixel rate 74250
>[  154.963984] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  154.964060] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  154.964134] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  154.964217] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  154.964333] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  154.964418] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  154.964498] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  154.964578] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  154.964655] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  154.964729] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  154.964803] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  154.964884] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  154.964982] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  154.965059] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  154.965550] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  154.965646] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  154.965771] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  154.985894] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  154.986012] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  155.119116] ------------[ cut here ]------------
>[  155.119226] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  155.119356] pipe_off wait timed out
>[  155.119364] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  155.119477] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  155.119482] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  155.119486] Call Trace:
>[  155.119499]  dump_stack+0x67/0x92
>[  155.119509]  __warn+0xc6/0xe0
>[  155.119518]  warn_slowpath_fmt+0x46/0x50
>[  155.119606]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  155.119685]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  155.119766]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  155.119776]  ? __lock_is_held+0x76/0xc0
>[  155.119863]  intel_atomic_commit+0x411/0x520 [i915]
>[  155.119879]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  155.119888]  ? drm_connector_list_iter_end+0x2f/0x40
>[  155.119895]  ? handle_conflicting_encoders+0x270/0x290
>[  155.119904]  drm_atomic_commit+0x46/0x50
>[  155.119911]  drm_atomic_helper_set_config+0x79/0x90
>[  155.119920]  __drm_mode_set_config_internal+0x60/0x110
>[  155.119928]  drm_mode_setcrtc+0x3e9/0x5f0
>[  155.119954]  drm_ioctl+0x1f4/0x480
>[  155.119960]  ? drm_mode_getcrtc+0x180/0x180
>[  155.119976]  ? __vfs_write+0x23/0x120
>[  155.119984]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  155.119994]  do_vfs_ioctl+0x90/0x6e0
>[  155.120003]  ? vfs_write+0x1ab/0x1f0
>[  155.120010]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  155.120019]  SyS_ioctl+0x3c/0x70
>[  155.120030]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  155.120036] RIP: 0033:0x7f271641a8b7
>[  155.120041] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  155.120050] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  155.120054] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  155.120059] RBP: 000000000184d610 R08: 0000000000000000 R09: 0000000001806de8
>[  155.120064] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000000002b
>[  155.120069] R13: 00000000000003ce R14: 0000000001000100 R15: 00000000ff000000
>[  155.120084] ---[ end trace d4359a63dd210d58 ]---
>[  155.120192] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  155.120313] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  155.120416] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  155.120513] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  155.120732] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  155.120827] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  155.120907] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  155.120981] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  155.121054] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  155.121127] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  155.121199] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  155.121315] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  155.121399] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  155.121478] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  155.121618] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  155.121694] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  155.121920] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  155.121998] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  155.123340] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  155.123452] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  155.143576] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  155.143674] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  155.143755] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  155.143854] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74250 (0x00070000)
>[  155.143926] [drm:hsw_audio_config_update [i915]] using automatic N
>[  155.144090] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  155.144166] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  155.185858] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  155.185982] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  155.186158] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  160.186984] [drm:drm_mode_addfb2] [FB:103]
>[  160.400510] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  160.400616] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  160.400838] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  160.400933] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  160.401010] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  160.401094] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  160.401177] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  160.401258] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  160.401399] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  160.401483] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  160.401500] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  160.401578] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  160.401591] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  160.401669] [drm:intel_dump_pipe_config [i915]] crtc timings: 74176 1920 2558 2602 2750 1080 1084 1089 1125, type: 0x40 flags: 0x5
>[  160.401749] [drm:intel_dump_pipe_config [i915]] port clock: 111264, pipe src size: 1920x1080, pixel rate 74176
>[  160.401829] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  160.401907] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  160.401982] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  160.402068] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  160.402145] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  160.402223] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  160.402339] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  160.402426] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  160.402502] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  160.402578] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  160.402657] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  160.402741] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  160.402838] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  160.402915] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  160.403405] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  160.403501] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  160.403628] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  160.423668] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  160.423785] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  160.553293] ------------[ cut here ]------------
>[  160.553402] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  160.553408] pipe_off wait timed out
>[  160.553413] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  160.553526] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  160.553532] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  160.553536] Call Trace:
>[  160.553551]  dump_stack+0x67/0x92
>[  160.553561]  __warn+0xc6/0xe0
>[  160.553571]  warn_slowpath_fmt+0x46/0x50
>[  160.553655]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  160.553733]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  160.553812]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  160.553824]  ? __lock_is_held+0x76/0xc0
>[  160.553907]  intel_atomic_commit+0x411/0x520 [i915]
>[  160.553919]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  160.553927]  ? drm_connector_list_iter_end+0x2f/0x40
>[  160.553935]  ? handle_conflicting_encoders+0x270/0x290
>[  160.553943]  drm_atomic_commit+0x46/0x50
>[  160.553950]  drm_atomic_helper_set_config+0x79/0x90
>[  160.553960]  __drm_mode_set_config_internal+0x60/0x110
>[  160.553967]  drm_mode_setcrtc+0x3e9/0x5f0
>[  160.553992]  drm_ioctl+0x1f4/0x480
>[  160.553997]  ? drm_mode_getcrtc+0x180/0x180
>[  160.554013]  ? __vfs_write+0x23/0x120
>[  160.554020]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  160.554031]  do_vfs_ioctl+0x90/0x6e0
>[  160.554039]  ? vfs_write+0x1ab/0x1f0
>[  160.554046]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  160.554055]  SyS_ioctl+0x3c/0x70
>[  160.554067]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  160.554073] RIP: 0033:0x7f271641a8b7
>[  160.554078] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  160.554087] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  160.554091] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  160.554096] RBP: 000000000184d4a8 R08: 0000000000000000 R09: 0000000001806de8
>[  160.554100] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000006
>[  160.554107] R13: 00000000000003d2 R14: 0000000001000100 R15: 00000000ff000000
>[  160.554122] ---[ end trace d4359a63dd210d59 ]---
>[  160.554230] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  160.554371] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  160.554473] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  160.554570] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  160.554791] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  160.554886] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  160.554965] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  160.555042] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  160.555115] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  160.555187] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  160.555300] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  160.555383] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  160.555463] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  160.555540] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  160.555674] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  160.555747] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  160.555971] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  160.556049] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  160.557386] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  160.557496] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  160.577618] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  160.577716] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  160.577796] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  160.577896] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74176 (0x00060000)
>[  160.577967] [drm:hsw_audio_config_update [i915]] using automatic N
>[  160.578132] [drm:intel_fbc_enable [i915]] reserved 16588800 bytes of contiguous stolen space for FBC, threshold: 1
>[  160.578207] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  160.619936] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  160.620058] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  160.620234] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  165.621080] [drm:drm_mode_addfb2] [FB:62]
>[  165.830265] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  165.830372] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  165.830593] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  165.830691] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  165.830768] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  165.830852] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  165.830935] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  165.831016] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  165.831091] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  165.831166] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  165.831180] [drm:drm_mode_debug_printmodeline] Modeline 0:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[  165.831254] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  165.831324] [drm:drm_mode_debug_printmodeline] Modeline 0:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[  165.831401] [drm:intel_dump_pipe_config [i915]] crtc timings: 119000 1680 1728 1760 1840 1050 1053 1059 1080, type: 0x40 flags: 0x9
>[  165.831488] [drm:intel_dump_pipe_config [i915]] port clock: 178500, pipe src size: 1680x1050, pixel rate 119000
>[  165.831569] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  165.831648] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  165.831725] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  165.831815] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1844d0, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  165.831892] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  165.831979] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1920x1080 format = XR24 little-endian (0x34325258)
>[  165.832057] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1920+1080 dst 0x0+1920+1080
>[  165.832140] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  165.832218] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  165.832327] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  165.832404] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  165.832485] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  165.832584] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  165.832661] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  165.833081] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  165.833177] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  165.833346] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  165.853424] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  165.853542] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  165.983155] ------------[ cut here ]------------
>[  165.983265] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  165.983394] pipe_off wait timed out
>[  165.983402] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  165.983513] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  165.983518] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  165.983522] Call Trace:
>[  165.983535]  dump_stack+0x67/0x92
>[  165.983545]  __warn+0xc6/0xe0
>[  165.983555]  warn_slowpath_fmt+0x46/0x50
>[  165.983641]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  165.983721]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  165.983801]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  165.983811]  ? __lock_is_held+0x76/0xc0
>[  165.983897]  intel_atomic_commit+0x411/0x520 [i915]
>[  165.983912]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  165.983921]  ? drm_connector_list_iter_end+0x2f/0x40
>[  165.983929]  ? handle_conflicting_encoders+0x270/0x290
>[  165.983937]  drm_atomic_commit+0x46/0x50
>[  165.983944]  drm_atomic_helper_set_config+0x79/0x90
>[  165.983954]  __drm_mode_set_config_internal+0x60/0x110
>[  165.983962]  drm_mode_setcrtc+0x3e9/0x5f0
>[  165.983987]  drm_ioctl+0x1f4/0x480
>[  165.983993]  ? drm_mode_getcrtc+0x180/0x180
>[  165.984009]  ? __vfs_write+0x23/0x120
>[  165.984017]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  165.984028]  do_vfs_ioctl+0x90/0x6e0
>[  165.984036]  ? vfs_write+0x1ab/0x1f0
>[  165.984043]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  165.984053]  SyS_ioctl+0x3c/0x70
>[  165.984064]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  165.984070] RIP: 0033:0x7f271641a8b7
>[  165.984075] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  165.984084] RAX: ffffffffffffffda RBX: 0000000080000000 RCX: 00007f271641a8b7
>[  165.984088] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  165.984092] RBP: 0000000000036f06 R08: 0000000000000000 R09: 0000000001806de8
>[  165.984097] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001852ca8
>[  165.984102] R13: 0000000001852d00 R14: 00000000018514b0 R15: 0000000000000000
>[  165.984117] ---[ end trace d4359a63dd210d5a ]---
>[  165.984223] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  165.984343] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  165.984441] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  165.984538] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  165.984757] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  165.984851] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  165.984930] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  165.985004] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  165.985076] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  165.985151] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  165.985222] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  165.985336] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  165.985419] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  165.985499] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  165.985638] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  165.985713] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  165.985938] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  165.986016] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  165.987364] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  165.987473] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  166.007665] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  166.007763] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  166.007844] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  166.007943] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 119000 not found, falling back to defaults
>[  166.008019] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  166.008090] [drm:hsw_audio_config_update [i915]] using automatic N
>[  166.008253] [drm:intel_fbc_enable [i915]] reserved 14112000 bytes of contiguous stolen space for FBC, threshold: 1
>[  166.008426] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  166.024970] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  166.025092] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  166.025267] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  171.026100] [drm:drm_mode_addfb2] [FB:103]
>[  171.227891] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  171.228003] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  171.228227] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  171.228390] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  171.228472] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  171.228562] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  171.228647] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  171.228727] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  171.228804] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  171.228880] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  171.228893] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  171.228968] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  171.228980] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  171.229057] [drm:intel_dump_pipe_config [i915]] crtc timings: 135000 1280 1296 1440 1688 1024 1025 1028 1066, type: 0x40 flags: 0x5
>[  171.229134] [drm:intel_dump_pipe_config [i915]] port clock: 202500, pipe src size: 1280x1024, pixel rate 135000
>[  171.229209] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  171.229328] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  171.229406] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  171.229495] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6200, ebb4: 0x2000,pll0: 0x1a, pll1: 0x100, pll2: 0x31999a, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  171.229571] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  171.229655] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1680x1050 format = XR24 little-endian (0x34325258)
>[  171.229732] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1680+1050 dst 0x0+1680+1050
>[  171.229813] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  171.229888] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  171.229962] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  171.230035] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  171.230118] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  171.230216] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  171.230333] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  171.230707] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  171.230802] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  171.230927] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  171.250863] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  171.250982] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  171.386369] ------------[ cut here ]------------
>[  171.386478] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  171.386484] pipe_off wait timed out
>[  171.386489] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  171.386604] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  171.386609] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  171.386613] Call Trace:
>[  171.386628]  dump_stack+0x67/0x92
>[  171.386639]  __warn+0xc6/0xe0
>[  171.386648]  warn_slowpath_fmt+0x46/0x50
>[  171.386733]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  171.386810]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  171.386890]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  171.386901]  ? __lock_is_held+0x76/0xc0
>[  171.386984]  intel_atomic_commit+0x411/0x520 [i915]
>[  171.386997]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  171.387004]  ? drm_connector_list_iter_end+0x2f/0x40
>[  171.387012]  ? handle_conflicting_encoders+0x270/0x290
>[  171.387020]  drm_atomic_commit+0x46/0x50
>[  171.387027]  drm_atomic_helper_set_config+0x79/0x90
>[  171.387036]  __drm_mode_set_config_internal+0x60/0x110
>[  171.387044]  drm_mode_setcrtc+0x3e9/0x5f0
>[  171.387068]  drm_ioctl+0x1f4/0x480
>[  171.387075]  ? drm_mode_getcrtc+0x180/0x180
>[  171.387090]  ? __vfs_write+0x23/0x120
>[  171.387098]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  171.387108]  do_vfs_ioctl+0x90/0x6e0
>[  171.387116]  ? vfs_write+0x1ab/0x1f0
>[  171.387124]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  171.387133]  SyS_ioctl+0x3c/0x70
>[  171.387144]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  171.387150] RIP: 0033:0x7f271641a8b7
>[  171.387155] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  171.387164] RAX: ffffffffffffffda RBX: 000000000002a018 RCX: 00007f271641a8b7
>[  171.387168] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  171.387173] RBP: 000000000002a1a2 R08: 0000000000000000 R09: 0000000001806de8
>[  171.387177] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001851920
>[  171.387182] R13: 0000000001853228 R14: 00000000018514b0 R15: 0000000000000001
>[  171.387321] ---[ end trace d4359a63dd210d5b ]---
>[  171.387431] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  171.387514] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  171.387609] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  171.387702] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  171.387920] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  171.388014] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  171.388089] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  171.388166] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  171.388237] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  171.388350] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  171.388425] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  171.388503] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  171.388583] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  171.388659] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  171.388794] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  171.388869] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  171.389090] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  171.389169] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  171.390552] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  171.390662] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  171.410844] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  171.410942] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  171.411023] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  171.411122] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 135000 not found, falling back to defaults
>[  171.411201] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  171.411406] [drm:hsw_audio_config_update [i915]] using automatic N
>[  171.411572] [drm:intel_fbc_enable [i915]] reserved 10485760 bytes of contiguous stolen space for FBC, threshold: 1
>[  171.411648] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  171.424780] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  171.424903] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  171.425078] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  176.425928] [drm:drm_mode_addfb2] [FB:62]
>[  176.627740] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  176.627854] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  176.628076] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  176.628172] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  176.628249] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  176.628391] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  176.628480] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  176.628563] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  176.628642] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  176.628722] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  176.628738] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  176.628814] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  176.628826] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  176.628904] [drm:intel_dump_pipe_config [i915]] crtc timings: 108000 1280 1328 1440 1688 1024 1025 1028 1066, type: 0x40 flags: 0x5
>[  176.628983] [drm:intel_dump_pipe_config [i915]] port clock: 162000, pipe src size: 1280x1024, pixel rate 108000
>[  176.629064] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  176.629141] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  176.629216] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  176.629338] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6200, ebb4: 0x2000,pll0: 0x1e, pll1: 0x100, pll2: 0x180000, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  176.629417] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  176.629501] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1280x1024 format = XR24 little-endian (0x34325258)
>[  176.629579] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1280+1024 dst 0x0+1280+1024
>[  176.629656] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  176.629734] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  176.629810] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  176.629886] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  176.629969] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  176.630067] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  176.630145] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  176.630556] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  176.630653] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  176.630778] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  176.650591] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  176.650708] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  176.783787] ------------[ cut here ]------------
>[  176.783897] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  176.783903] pipe_off wait timed out
>[  176.783908] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  176.784021] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  176.784027] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  176.784031] Call Trace:
>[  176.784046]  dump_stack+0x67/0x92
>[  176.784056]  __warn+0xc6/0xe0
>[  176.784066]  warn_slowpath_fmt+0x46/0x50
>[  176.784150]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  176.784227]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  176.784306]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  176.784315]  ? __lock_is_held+0x76/0xc0
>[  176.784398]  intel_atomic_commit+0x411/0x520 [i915]
>[  176.784411]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  176.784418]  ? drm_connector_list_iter_end+0x2f/0x40
>[  176.784426]  ? handle_conflicting_encoders+0x270/0x290
>[  176.784434]  drm_atomic_commit+0x46/0x50
>[  176.784441]  drm_atomic_helper_set_config+0x79/0x90
>[  176.784450]  __drm_mode_set_config_internal+0x60/0x110
>[  176.784458]  drm_mode_setcrtc+0x3e9/0x5f0
>[  176.784482]  drm_ioctl+0x1f4/0x480
>[  176.784488]  ? drm_mode_getcrtc+0x180/0x180
>[  176.784504]  ? __vfs_write+0x23/0x120
>[  176.784511]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  176.784521]  do_vfs_ioctl+0x90/0x6e0
>[  176.784530]  ? vfs_write+0x1ab/0x1f0
>[  176.784538]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  176.784547]  SyS_ioctl+0x3c/0x70
>[  176.784558]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  176.784564] RIP: 0033:0x7f271641a8b7
>[  176.784569] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  176.784578] RAX: ffffffffffffffda RBX: 00000000000002d8 RCX: 00007f271641a8b7
>[  176.784583] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  176.784587] RBP: 00000000000002d9 R08: 0000000000000000 R09: 0000000001806de8
>[  176.784592] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001852430
>[  176.784596] R13: 0000000001856e08 R14: 00000000018514b0 R15: 0000000000000000
>[  176.784694] ---[ end trace d4359a63dd210d5c ]---
>[  176.784802] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  176.784891] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  176.784982] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  176.785081] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  176.785371] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  176.785467] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  176.785544] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  176.785621] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  176.785694] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  176.785766] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  176.785837] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  176.785911] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  176.785992] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  176.786068] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  176.786203] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  176.786321] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  176.786549] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  176.786627] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  176.788003] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  176.788115] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  176.808402] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  176.808498] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  176.808579] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  176.808678] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 108000 not found, falling back to defaults
>[  176.808755] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  176.808826] [drm:hsw_audio_config_update [i915]] using automatic N
>[  176.808989] [drm:intel_fbc_enable [i915]] reserved 10485760 bytes of contiguous stolen space for FBC, threshold: 1
>[  176.809064] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  176.825669] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  176.825791] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  176.825966] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  181.826690] [drm:drm_mode_addfb2] [FB:103]
>[  182.026828] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  182.026942] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  182.027164] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  182.027259] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  182.027403] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  182.027495] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  182.027584] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  182.027667] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  182.027745] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  182.027821] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  182.027833] [drm:drm_mode_debug_printmodeline] Modeline 0:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[  182.027909] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  182.027920] [drm:drm_mode_debug_printmodeline] Modeline 0:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[  182.027997] [drm:intel_dump_pipe_config [i915]] crtc timings: 88750 1440 1488 1520 1600 900 903 909 926, type: 0x40 flags: 0x9
>[  182.028072] [drm:intel_dump_pipe_config [i915]] port clock: 133125, pipe src size: 1440x900, pixel rate 88750
>[  182.028148] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  182.028224] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  182.028342] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  182.028430] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8200, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  182.028509] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  182.028591] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1280x1024 format = XR24 little-endian (0x34325258)
>[  182.028670] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1280+1024 dst 0x0+1280+1024
>[  182.028752] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  182.028831] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  182.028907] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  182.028980] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  182.029062] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  182.029161] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  182.029237] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  182.029504] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  182.029600] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  182.029722] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  182.049530] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  182.049648] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  182.155765] ------------[ cut here ]------------
>[  182.155874] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  182.155880] pipe_off wait timed out
>[  182.155885] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  182.155999] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  182.156004] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  182.156009] Call Trace:
>[  182.156024]  dump_stack+0x67/0x92
>[  182.156034]  __warn+0xc6/0xe0
>[  182.156044]  warn_slowpath_fmt+0x46/0x50
>[  182.156129]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  182.156207]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  182.156286]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  182.156298]  ? __lock_is_held+0x76/0xc0
>[  182.156380]  intel_atomic_commit+0x411/0x520 [i915]
>[  182.156393]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  182.156400]  ? drm_connector_list_iter_end+0x2f/0x40
>[  182.156408]  ? handle_conflicting_encoders+0x270/0x290
>[  182.156417]  drm_atomic_commit+0x46/0x50
>[  182.156424]  drm_atomic_helper_set_config+0x79/0x90
>[  182.156434]  __drm_mode_set_config_internal+0x60/0x110
>[  182.156442]  drm_mode_setcrtc+0x3e9/0x5f0
>[  182.156466]  drm_ioctl+0x1f4/0x480
>[  182.156471]  ? drm_mode_getcrtc+0x180/0x180
>[  182.156487]  ? __vfs_write+0x23/0x120
>[  182.156495]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  182.156505]  do_vfs_ioctl+0x90/0x6e0
>[  182.156514]  ? vfs_write+0x1ab/0x1f0
>[  182.156521]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  182.156530]  SyS_ioctl+0x3c/0x70
>[  182.156542]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  182.156548] RIP: 0033:0x7f271641a8b7
>[  182.156553] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  182.156561] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  182.156566] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  182.156570] RBP: 000000000184d6e0 R08: 0000000000000000 R09: 0000000001806de8
>[  182.156575] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000036
>[  182.156580] R13: 00000000000002b4 R14: 0000000001000100 R15: 00000000ff000000
>[  182.156721] ---[ end trace d4359a63dd210d5d ]---
>[  182.156832] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  182.156916] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  182.157011] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  182.157109] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  182.157364] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  182.157460] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  182.157537] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  182.157614] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  182.157687] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  182.157759] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  182.157830] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  182.157905] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  182.157983] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  182.158059] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  182.158194] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  182.158312] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  182.158541] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  182.158618] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  182.159944] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  182.160056] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  182.180399] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  182.180496] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  182.180576] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  182.180675] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 88750 not found, falling back to defaults
>[  182.180753] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  182.180823] [drm:hsw_audio_config_update [i915]] using automatic N
>[  182.180987] [drm:intel_fbc_enable [i915]] reserved 10368000 bytes of contiguous stolen space for FBC, threshold: 1
>[  182.181062] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  182.197701] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  182.197823] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  182.198000] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  187.198848] [drm:drm_mode_addfb2] [FB:62]
>[  187.398701] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  187.398803] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  187.399024] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  187.399124] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  187.399201] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  187.399344] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  187.399433] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  187.399516] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  187.399598] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  187.399676] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  187.399692] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  187.399769] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  187.399780] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  187.399859] [drm:intel_dump_pipe_config [i915]] crtc timings: 108000 1280 1376 1488 1800 960 961 964 1000, type: 0x40 flags: 0x5
>[  187.399938] [drm:intel_dump_pipe_config [i915]] port clock: 162000, pipe src size: 1280x960, pixel rate 108000
>[  187.400018] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  187.400095] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  187.400169] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  187.400251] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4500, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x120000, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  187.400373] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  187.400455] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1440x900 format = XR24 little-endian (0x34325258)
>[  187.400571] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1440+900 dst 0x0+1440+900
>[  187.400648] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  187.400724] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  187.400800] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  187.400876] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  187.400958] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  187.401058] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  187.401135] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  187.401532] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  187.401628] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  187.401755] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  187.420234] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  187.420452] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  187.552323] ------------[ cut here ]------------
>[  187.552433] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  187.552439] pipe_off wait timed out
>[  187.552444] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  187.552556] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  187.552561] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  187.552566] Call Trace:
>[  187.552581]  dump_stack+0x67/0x92
>[  187.552591]  __warn+0xc6/0xe0
>[  187.552601]  warn_slowpath_fmt+0x46/0x50
>[  187.552685]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  187.552763]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  187.552842]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  187.552851]  ? __lock_is_held+0x76/0xc0
>[  187.552933]  intel_atomic_commit+0x411/0x520 [i915]
>[  187.552944]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  187.552951]  ? drm_connector_list_iter_end+0x2f/0x40
>[  187.552959]  ? handle_conflicting_encoders+0x270/0x290
>[  187.552967]  drm_atomic_commit+0x46/0x50
>[  187.552974]  drm_atomic_helper_set_config+0x79/0x90
>[  187.552983]  __drm_mode_set_config_internal+0x60/0x110
>[  187.552991]  drm_mode_setcrtc+0x3e9/0x5f0
>[  187.553016]  drm_ioctl+0x1f4/0x480
>[  187.553022]  ? drm_mode_getcrtc+0x180/0x180
>[  187.553038]  ? __vfs_write+0x23/0x120
>[  187.553045]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  187.553055]  do_vfs_ioctl+0x90/0x6e0
>[  187.553064]  ? vfs_write+0x1ab/0x1f0
>[  187.553071]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  187.553080]  SyS_ioctl+0x3c/0x70
>[  187.553091]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  187.553097] RIP: 0033:0x7f271641a8b7
>[  187.553102] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  187.553111] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  187.553116] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  187.553120] RBP: 0000000001852e80 R08: 0000000000000000 R09: 0000000001806de8
>[  187.553125] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000000004c
>[  187.553132] R13: 0000000000000283 R14: 0000000001000100 R15: 00000000ff000000
>[  187.553146] ---[ end trace d4359a63dd210d5e ]---
>[  187.553255] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  187.553471] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  187.553567] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  187.553664] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  187.553883] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  187.553978] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  187.554054] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  187.554132] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  187.554203] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  187.554316] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  187.554392] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  187.554471] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  187.554551] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  187.554627] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  187.554762] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  187.554838] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  187.555060] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  187.555138] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  187.556483] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  187.556592] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  187.576722] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  187.576820] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  187.576901] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  187.576999] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 108000 not found, falling back to defaults
>[  187.577076] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  187.577146] [drm:hsw_audio_config_update [i915]] using automatic N
>[  187.577390] [drm:intel_fbc_enable [i915]] reserved 9830400 bytes of contiguous stolen space for FBC, threshold: 1
>[  187.577472] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  187.593998] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  187.594121] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  187.594424] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  192.595146] [drm:drm_mode_addfb2] [FB:103]
>[  192.789066] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  192.789168] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  192.789459] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  192.789556] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  192.789635] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  192.789724] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  192.789808] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  192.789890] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  192.789966] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  192.790041] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  192.790056] [drm:drm_mode_debug_printmodeline] Modeline 0:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  192.790130] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  192.790147] [drm:drm_mode_debug_printmodeline] Modeline 0:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  192.790225] [drm:intel_dump_pipe_config [i915]] crtc timings: 108000 1152 1216 1344 1600 864 865 868 900, type: 0x40 flags: 0x5
>[  192.790347] [drm:intel_dump_pipe_config [i915]] port clock: 162000, pipe src size: 1152x864, pixel rate 108000
>[  192.790428] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  192.790505] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  192.790582] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  192.790673] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8200, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  192.790750] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  192.790835] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1280x960 format = XR24 little-endian (0x34325258)
>[  192.790913] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1280+960 dst 0x0+1280+960
>[  192.790995] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  192.791074] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  192.791150] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  192.791224] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  192.791337] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  192.791439] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  192.791516] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  192.791854] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  192.791948] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  192.792071] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  192.811424] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  192.811542] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  192.945149] ------------[ cut here ]------------
>[  192.945259] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  192.945388] pipe_off wait timed out
>[  192.945396] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  192.945509] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  192.945514] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  192.945518] Call Trace:
>[  192.945532]  dump_stack+0x67/0x92
>[  192.945542]  __warn+0xc6/0xe0
>[  192.945552]  warn_slowpath_fmt+0x46/0x50
>[  192.945640]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  192.945719]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  192.945800]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  192.945810]  ? __lock_is_held+0x76/0xc0
>[  192.945896]  intel_atomic_commit+0x411/0x520 [i915]
>[  192.945912]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  192.945921]  ? drm_connector_list_iter_end+0x2f/0x40
>[  192.945929]  ? handle_conflicting_encoders+0x270/0x290
>[  192.945937]  drm_atomic_commit+0x46/0x50
>[  192.945944]  drm_atomic_helper_set_config+0x79/0x90
>[  192.945954]  __drm_mode_set_config_internal+0x60/0x110
>[  192.945961]  drm_mode_setcrtc+0x3e9/0x5f0
>[  192.945988]  drm_ioctl+0x1f4/0x480
>[  192.945993]  ? drm_mode_getcrtc+0x180/0x180
>[  192.946009]  ? __vfs_write+0x23/0x120
>[  192.946018]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  192.946028]  do_vfs_ioctl+0x90/0x6e0
>[  192.946037]  ? vfs_write+0x1ab/0x1f0
>[  192.946044]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  192.946053]  SyS_ioctl+0x3c/0x70
>[  192.946064]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  192.946070] RIP: 0033:0x7f271641a8b7
>[  192.946075] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  192.946084] RAX: ffffffffffffffda RBX: 00007ffe037f79d0 RCX: 00007f271641a8b7
>[  192.946088] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  192.946093] RBP: 00000000018530c8 R08: 0000000000000000 R09: 0000000001806de8
>[  192.946097] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000008
>[  192.946102] R13: 00000000000002ef R14: 0000000001000100 R15: 00000000ff000000
>[  192.946117] ---[ end trace d4359a63dd210d5f ]---
>[  192.946222] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  192.946343] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  192.946439] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  192.946534] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  192.946754] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  192.946851] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  192.946927] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  192.947001] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  192.947074] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  192.947147] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  192.947218] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  192.947341] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  192.947424] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  192.947500] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  192.947637] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  192.947710] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  192.947933] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  192.948009] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  192.949363] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  192.949472] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  192.968986] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  192.969084] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  192.969164] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  192.969263] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 108000 not found, falling back to defaults
>[  192.969471] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  192.969545] [drm:hsw_audio_config_update [i915]] using automatic N
>[  192.969706] [drm:intel_fbc_enable [i915]] reserved 7962624 bytes of contiguous stolen space for FBC, threshold: 1
>[  192.969781] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  192.982932] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  192.983054] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  192.983229] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  194.917156] usb 1-5: USB disconnect, device number 5
>[  196.448505] usb 1-5: new low-speed USB device number 6 using xhci_hcd
>[  196.622843] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[  196.622854] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[  196.622861] usb 1-5: Product: HP USB Optical Mouse
>[  196.622867] usb 1-5: Manufacturer: PixArt
>[  196.628702] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0005/input/input13
>[  196.682887] hid-generic 0003:03F0:094A.0005: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[  196.683818] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[  197.984092] [drm:drm_mode_addfb2] [FB:62]
>[  198.178142] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  198.178441] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  198.178668] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  198.178756] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  198.178836] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  198.178921] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  198.179003] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  198.179084] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  198.179159] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  198.179234] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  198.179299] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  198.179377] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  198.179393] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  198.179472] [drm:intel_dump_pipe_config [i915]] crtc timings: 74250 1280 1390 1430 1650 720 725 730 750, type: 0x40 flags: 0x5
>[  198.179552] [drm:intel_dump_pipe_config [i915]] port clock: 111375, pipe src size: 1280x720, pixel rate 74250
>[  198.179629] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  198.179707] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  198.179783] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  198.179873] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8200, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  198.179949] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  198.180031] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1152x864 format = XR24 little-endian (0x34325258)
>[  198.180106] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1152+864 dst 0x0+1152+864
>[  198.180181] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  198.180254] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  198.180369] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  198.180446] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  198.180533] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  198.180633] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  198.180709] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  198.181039] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  198.181134] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  198.181259] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  198.201280] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  198.201492] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  198.333708] ------------[ cut here ]------------
>[  198.333817] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  198.333823] pipe_off wait timed out
>[  198.333828] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  198.333941] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  198.333947] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  198.333951] Call Trace:
>[  198.333966]  dump_stack+0x67/0x92
>[  198.333977]  __warn+0xc6/0xe0
>[  198.333986]  warn_slowpath_fmt+0x46/0x50
>[  198.334071]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  198.334148]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  198.334227]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  198.334239]  ? __lock_is_held+0x76/0xc0
>[  198.334322]  intel_atomic_commit+0x411/0x520 [i915]
>[  198.334334]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  198.334342]  ? drm_connector_list_iter_end+0x2f/0x40
>[  198.334349]  ? handle_conflicting_encoders+0x270/0x290
>[  198.334358]  drm_atomic_commit+0x46/0x50
>[  198.334365]  drm_atomic_helper_set_config+0x79/0x90
>[  198.334375]  __drm_mode_set_config_internal+0x60/0x110
>[  198.334382]  drm_mode_setcrtc+0x3e9/0x5f0
>[  198.334406]  drm_ioctl+0x1f4/0x480
>[  198.334412]  ? drm_mode_getcrtc+0x180/0x180
>[  198.334428]  ? __vfs_write+0x23/0x120
>[  198.334436]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  198.334446]  do_vfs_ioctl+0x90/0x6e0
>[  198.334454]  ? vfs_write+0x1ab/0x1f0
>[  198.334462]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  198.334471]  SyS_ioctl+0x3c/0x70
>[  198.334482]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  198.334488] RIP: 0033:0x7f271641a8b7
>[  198.334493] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  198.334502] RAX: ffffffffffffffda RBX: 0000000080000000 RCX: 00007f271641a8b7
>[  198.334507] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  198.334511] RBP: 000000000000045e R08: 0000000000000000 R09: 0000000001806de8
>[  198.334516] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001872448
>[  198.334520] R13: 0000000001872448 R14: 0000000001851e90 R15: 0000000000000000
>[  198.334660] ---[ end trace d4359a63dd210d60 ]---
>[  198.334769] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  198.334853] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  198.334948] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  198.335045] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  198.335296] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  198.335391] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  198.335467] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  198.335543] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  198.335619] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  198.335693] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  198.335764] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  198.335839] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  198.335917] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  198.335993] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  198.336127] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  198.336203] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  198.336467] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  198.336548] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  198.337878] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  198.337989] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  198.358042] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  198.358139] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  198.358220] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  198.358451] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74250 (0x00070000)
>[  198.358527] [drm:hsw_audio_config_update [i915]] using automatic N
>[  198.358688] [drm:intel_fbc_enable [i915]] reserved 7372800 bytes of contiguous stolen space for FBC, threshold: 1
>[  198.358763] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  198.375424] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  198.375547] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  198.375724] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  203.376461] [drm:drm_mode_addfb2] [FB:103]
>[  203.569398] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  203.569496] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  203.569719] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  203.569806] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  203.569884] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  203.569966] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  203.570049] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  203.570130] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  203.570205] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  203.570345] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  203.570363] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  203.570443] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  203.570459] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  203.570539] [drm:intel_dump_pipe_config [i915]] crtc timings: 74176 1280 1390 1430 1650 720 725 730 750, type: 0x40 flags: 0x5
>[  203.570618] [drm:intel_dump_pipe_config [i915]] port clock: 111264, pipe src size: 1280x720, pixel rate 74176
>[  203.570698] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  203.570776] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  203.570854] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  203.570939] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  203.571015] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  203.571096] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1280x720 format = XR24 little-endian (0x34325258)
>[  203.571175] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1280+720 dst 0x0+1280+720
>[  203.571249] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  203.571366] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  203.571444] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  203.571521] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  203.571602] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  203.571700] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  203.571776] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  203.572113] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  203.572242] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  203.572422] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  203.592398] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  203.592516] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  203.722336] ------------[ cut here ]------------
>[  203.722445] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  203.722451] pipe_off wait timed out
>[  203.722456] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  203.722571] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  203.722576] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  203.722581] Call Trace:
>[  203.722596]  dump_stack+0x67/0x92
>[  203.722606]  __warn+0xc6/0xe0
>[  203.722616]  warn_slowpath_fmt+0x46/0x50
>[  203.722699]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  203.722776]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  203.722855]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  203.722864]  ? __lock_is_held+0x76/0xc0
>[  203.722947]  intel_atomic_commit+0x411/0x520 [i915]
>[  203.722960]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  203.722967]  ? drm_connector_list_iter_end+0x2f/0x40
>[  203.722975]  ? handle_conflicting_encoders+0x270/0x290
>[  203.722983]  drm_atomic_commit+0x46/0x50
>[  203.722990]  drm_atomic_helper_set_config+0x79/0x90
>[  203.723000]  __drm_mode_set_config_internal+0x60/0x110
>[  203.723007]  drm_mode_setcrtc+0x3e9/0x5f0
>[  203.723031]  drm_ioctl+0x1f4/0x480
>[  203.723037]  ? drm_mode_getcrtc+0x180/0x180
>[  203.723053]  ? __vfs_write+0x23/0x120
>[  203.723060]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  203.723070]  do_vfs_ioctl+0x90/0x6e0
>[  203.723079]  ? vfs_write+0x1ab/0x1f0
>[  203.723086]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  203.723095]  SyS_ioctl+0x3c/0x70
>[  203.723107]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  203.723113] RIP: 0033:0x7f271641a8b7
>[  203.723118] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  203.723127] RAX: ffffffffffffffda RBX: 0000000001855660 RCX: 00007f271641a8b7
>[  203.723131] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  203.723136] RBP: 00007f27166deb00 R08: 0000000000000000 R09: 0000000001806de8
>[  203.723140] R10: 0000000001806df0 R11: 0000000000000246 R12: 00007f27166deb58
>[  203.723145] R13: 0000000000002000 R14: 00007f27166deb58 R15: 0000000000002710
>[  203.723159] ---[ end trace d4359a63dd210d61 ]---
>[  203.723393] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  203.723479] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  203.723574] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  203.723675] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  203.723894] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  203.723989] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  203.724066] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  203.724143] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  203.724215] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  203.724329] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  203.724406] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  203.724485] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  203.724565] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  203.724643] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  203.724779] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  203.724853] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  203.725076] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  203.725153] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  203.726483] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  203.726593] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  203.746727] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  203.746825] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  203.746905] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  203.747004] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74176 (0x00060000)
>[  203.747076] [drm:hsw_audio_config_update [i915]] using automatic N
>[  203.747240] [drm:intel_fbc_enable [i915]] reserved 7372800 bytes of contiguous stolen space for FBC, threshold: 1
>[  203.747411] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  203.764016] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  203.764141] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  203.764446] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  208.765153] [drm:drm_mode_addfb2] [FB:62]
>[  208.958025] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  208.958125] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  208.958411] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  208.958502] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  208.958582] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  208.958665] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  208.958750] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  208.958831] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  208.958908] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  208.958982] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  208.958994] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  208.959068] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  208.959084] [drm:drm_mode_debug_printmodeline] Modeline 0:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  208.959161] [drm:intel_dump_pipe_config [i915]] crtc timings: 74250 1280 1720 1760 1980 720 725 730 750, type: 0x40 flags: 0x5
>[  208.959238] [drm:intel_dump_pipe_config [i915]] port clock: 111375, pipe src size: 1280x720, pixel rate 74250
>[  208.959357] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  208.959477] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  208.959552] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  208.959636] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1844d0, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  208.959710] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  208.959790] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1280x720 format = XR24 little-endian (0x34325258)
>[  208.959865] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1280+720 dst 0x0+1280+720
>[  208.959941] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  208.960016] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  208.960090] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  208.960165] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  208.960244] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  208.960392] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  208.960472] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  208.960802] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  208.960899] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  208.961021] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  208.980909] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  208.981027] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  209.112941] ------------[ cut here ]------------
>[  209.113050] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  209.113056] pipe_off wait timed out
>[  209.113061] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  209.113175] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  209.113180] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  209.113185] Call Trace:
>[  209.113200]  dump_stack+0x67/0x92
>[  209.113210]  __warn+0xc6/0xe0
>[  209.113220]  warn_slowpath_fmt+0x46/0x50
>[  209.113305]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  209.113383]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  209.113462]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  209.113471]  ? __lock_is_held+0x76/0xc0
>[  209.113554]  intel_atomic_commit+0x411/0x520 [i915]
>[  209.113567]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  209.113574]  ? drm_connector_list_iter_end+0x2f/0x40
>[  209.113582]  ? handle_conflicting_encoders+0x270/0x290
>[  209.113590]  drm_atomic_commit+0x46/0x50
>[  209.113597]  drm_atomic_helper_set_config+0x79/0x90
>[  209.113606]  __drm_mode_set_config_internal+0x60/0x110
>[  209.113614]  drm_mode_setcrtc+0x3e9/0x5f0
>[  209.113638]  drm_ioctl+0x1f4/0x480
>[  209.113644]  ? drm_mode_getcrtc+0x180/0x180
>[  209.113660]  ? __vfs_write+0x23/0x120
>[  209.113667]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  209.113677]  do_vfs_ioctl+0x90/0x6e0
>[  209.113686]  ? vfs_write+0x1ab/0x1f0
>[  209.113693]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  209.113702]  SyS_ioctl+0x3c/0x70
>[  209.113714]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  209.113720] RIP: 0033:0x7f271641a8b7
>[  209.113725] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  209.113734] RAX: ffffffffffffffda RBX: 00000000000401b7 RCX: 00007f271641a8b7
>[  209.113738] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  209.113743] RBP: 0000000000040359 R08: 0000000000000000 R09: 0000000001806de8
>[  209.113747] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001855290
>[  209.113754] R13: 00000000018556b0 R14: 0000000001852020 R15: 0000000000000000
>[  209.113896] ---[ end trace d4359a63dd210d62 ]---
>[  209.114005] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  209.114089] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  209.114184] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  209.114308] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  209.114530] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  209.114624] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  209.114701] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  209.114777] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  209.114849] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  209.114921] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  209.114993] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  209.115067] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  209.115148] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  209.115224] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  209.115401] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  209.115474] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  209.115703] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  209.115780] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  209.117141] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  209.117253] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  209.137515] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  209.137614] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  209.137694] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  209.137794] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 74250 (0x00070000)
>[  209.137865] [drm:hsw_audio_config_update [i915]] using automatic N
>[  209.138031] [drm:intel_fbc_enable [i915]] reserved 7372800 bytes of contiguous stolen space for FBC, threshold: 1
>[  209.138107] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  209.158122] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  209.158245] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  209.158545] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  214.159368] [drm:drm_mode_addfb2] [FB:103]
>[  214.349501] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  214.349600] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  214.349825] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  214.349922] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  214.349999] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  214.350083] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  214.350166] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  214.350246] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  214.350380] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  214.350465] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  214.350482] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  214.350560] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  214.350574] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  214.350654] [drm:intel_dump_pipe_config [i915]] crtc timings: 78750 1024 1040 1136 1312 768 769 772 800, type: 0x40 flags: 0x5
>[  214.350736] [drm:intel_dump_pipe_config [i915]] port clock: 118125, pipe src size: 1024x768, pixel rate 78750
>[  214.350814] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  214.350892] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  214.350971] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  214.351053] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  214.351134] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  214.351213] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1280x720 format = XR24 little-endian (0x34325258)
>[  214.351329] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1280+720 dst 0x0+1280+720
>[  214.351411] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  214.351485] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  214.351561] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  214.351635] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  214.351714] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  214.351813] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  214.351889] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  214.352212] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  214.352350] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  214.352474] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  214.372422] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  214.372540] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  214.503755] ------------[ cut here ]------------
>[  214.503864] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  214.503870] pipe_off wait timed out
>[  214.503875] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  214.503988] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  214.503993] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  214.503997] Call Trace:
>[  214.504012]  dump_stack+0x67/0x92
>[  214.504022]  __warn+0xc6/0xe0
>[  214.504032]  warn_slowpath_fmt+0x46/0x50
>[  214.504116]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  214.504195]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  214.504275]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  214.504284]  ? __lock_is_held+0x76/0xc0
>[  214.504366]  intel_atomic_commit+0x411/0x520 [i915]
>[  214.504379]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  214.504386]  ? drm_connector_list_iter_end+0x2f/0x40
>[  214.504394]  ? handle_conflicting_encoders+0x270/0x290
>[  214.504402]  drm_atomic_commit+0x46/0x50
>[  214.504410]  drm_atomic_helper_set_config+0x79/0x90
>[  214.504419]  __drm_mode_set_config_internal+0x60/0x110
>[  214.504426]  drm_mode_setcrtc+0x3e9/0x5f0
>[  214.504451]  drm_ioctl+0x1f4/0x480
>[  214.504456]  ? drm_mode_getcrtc+0x180/0x180
>[  214.504472]  ? __vfs_write+0x23/0x120
>[  214.504480]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  214.504490]  do_vfs_ioctl+0x90/0x6e0
>[  214.504498]  ? vfs_write+0x1ab/0x1f0
>[  214.504505]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  214.504514]  SyS_ioctl+0x3c/0x70
>[  214.504526]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  214.504532] RIP: 0033:0x7f271641a8b7
>[  214.504537] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  214.504545] RAX: ffffffffffffffda RBX: 00000000018530a0 RCX: 00007f271641a8b7
>[  214.504550] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  214.504554] RBP: 00000000000003a3 R08: 0000000000000000 R09: 0000000001806de8
>[  214.504559] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001853090
>[  214.504564] R13: 00000000018591e8 R14: 0000000001852130 R15: 0000000000000000
>[  214.504700] ---[ end trace d4359a63dd210d63 ]---
>[  214.504811] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  214.504897] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  214.504988] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  214.505086] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  214.505334] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  214.505430] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  214.505504] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  214.505584] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  214.505658] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  214.505734] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  214.505805] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  214.505880] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  214.505960] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  214.506038] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  214.506173] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  214.506246] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  214.506510] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  214.506587] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  214.507932] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  214.508041] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  214.528184] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  214.528399] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  214.528481] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  214.528578] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 78750 not found, falling back to defaults
>[  214.528651] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  214.528723] [drm:hsw_audio_config_update [i915]] using automatic N
>[  214.528888] [drm:intel_fbc_enable [i915]] reserved 6291456 bytes of contiguous stolen space for FBC, threshold: 1
>[  214.528964] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  214.542238] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  214.542461] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  214.542638] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  219.543466] [drm:drm_mode_addfb2] [FB:62]
>[  219.734177] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  219.734340] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  219.734613] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  219.734709] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  219.734791] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  219.734874] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  219.734955] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  219.735034] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  219.735111] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  219.735185] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  219.735197] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[  219.735322] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  219.735339] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[  219.735417] [drm:intel_dump_pipe_config [i915]] crtc timings: 75000 1024 1048 1184 1328 768 771 777 806, type: 0x40 flags: 0xa
>[  219.735501] [drm:intel_dump_pipe_config [i915]] port clock: 112500, pipe src size: 1024x768, pixel rate 75000
>[  219.735580] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  219.735660] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  219.735737] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  219.735820] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4500, ebb4: 0x2000,pll0: 0x1d, pll1: 0x100, pll2: 0x220000, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  219.735896] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  219.735977] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1024x768 format = XR24 little-endian (0x34325258)
>[  219.736052] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1024+768 dst 0x0+1024+768
>[  219.736127] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  219.736203] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  219.736318] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  219.736398] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  219.736484] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  219.736585] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  219.736661] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  219.736978] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  219.737072] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  219.737196] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  219.757179] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  219.757421] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  219.887513] ------------[ cut here ]------------
>[  219.887622] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  219.887628] pipe_off wait timed out
>[  219.887633] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  219.887747] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  219.887752] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  219.887757] Call Trace:
>[  219.887772]  dump_stack+0x67/0x92
>[  219.887782]  __warn+0xc6/0xe0
>[  219.887791]  warn_slowpath_fmt+0x46/0x50
>[  219.887875]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  219.887953]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  219.888032]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  219.888041]  ? __lock_is_held+0x76/0xc0
>[  219.888123]  intel_atomic_commit+0x411/0x520 [i915]
>[  219.888136]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  219.888143]  ? drm_connector_list_iter_end+0x2f/0x40
>[  219.888151]  ? handle_conflicting_encoders+0x270/0x290
>[  219.888159]  drm_atomic_commit+0x46/0x50
>[  219.888166]  drm_atomic_helper_set_config+0x79/0x90
>[  219.888175]  __drm_mode_set_config_internal+0x60/0x110
>[  219.888183]  drm_mode_setcrtc+0x3e9/0x5f0
>[  219.888209]  drm_ioctl+0x1f4/0x480
>[  219.888215]  ? drm_mode_getcrtc+0x180/0x180
>[  219.888231]  ? __vfs_write+0x23/0x120
>[  219.888238]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  219.888249]  do_vfs_ioctl+0x90/0x6e0
>[  219.888257]  ? vfs_write+0x1ab/0x1f0
>[  219.888265]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  219.888274]  SyS_ioctl+0x3c/0x70
>[  219.888285]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  219.888291] RIP: 0033:0x7f271641a8b7
>[  219.888296] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  219.888305] RAX: ffffffffffffffda RBX: 0000000080000000 RCX: 00007f271641a8b7
>[  219.888309] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  219.888314] RBP: 000000000003ada7 R08: 0000000000000000 R09: 0000000001806de8
>[  219.888318] R10: 0000000001806df0 R11: 0000000000000246 R12: 00000000018713c0
>[  219.888323] R13: 0000000001871e18 R14: 00000000018521a0 R15: 0000000000000000
>[  219.888456] ---[ end trace d4359a63dd210d64 ]---
>[  219.888565] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  219.888651] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  219.888742] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  219.888839] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  219.889057] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  219.889152] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  219.889229] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  219.889335] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  219.889408] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  219.889480] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  219.889552] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  219.889626] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  219.889704] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  219.889781] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  219.889919] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  219.889991] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  219.890215] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  219.890351] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  219.891712] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  219.891822] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  219.909898] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  219.909996] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  219.910076] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  219.910175] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 75000 not found, falling back to defaults
>[  219.910253] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  219.910455] [drm:hsw_audio_config_update [i915]] using automatic N
>[  219.910620] [drm:intel_fbc_enable [i915]] reserved 6291456 bytes of contiguous stolen space for FBC, threshold: 1
>[  219.910695] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  219.924778] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  219.924901] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  219.925076] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  224.925906] [drm:drm_mode_addfb2] [FB:103]
>[  225.116645] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  225.116746] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  225.116966] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  225.117063] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  225.117141] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  225.117224] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  225.117363] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  225.117450] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  225.117532] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  225.117610] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  225.117625] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  225.117705] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  225.117719] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  225.117800] [drm:intel_dump_pipe_config [i915]] crtc timings: 65000 1024 1048 1184 1344 768 771 777 806, type: 0x40 flags: 0xa
>[  225.117877] [drm:intel_dump_pipe_config [i915]] port clock: 97500, pipe src size: 1024x768, pixel rate 65000
>[  225.117958] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  225.118035] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  225.118110] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  225.118193] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4500, ebb4: 0x2000,pll0: 0x1c, pll1: 0x100, pll2: 0x80000, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  225.118310] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  225.118393] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 1024x768 format = XR24 little-endian (0x34325258)
>[  225.118474] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1024+768 dst 0x0+1024+768
>[  225.118553] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  225.118630] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  225.118704] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  225.118780] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  225.118859] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  225.118959] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  225.119035] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  225.119260] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  225.119396] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  225.119522] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  225.139641] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  225.139759] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  225.254746] ------------[ cut here ]------------
>[  225.254854] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  225.254860] pipe_off wait timed out
>[  225.254866] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  225.254978] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  225.254983] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  225.254988] Call Trace:
>[  225.255003]  dump_stack+0x67/0x92
>[  225.255013]  __warn+0xc6/0xe0
>[  225.255022]  warn_slowpath_fmt+0x46/0x50
>[  225.255107]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  225.255185]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  225.255265]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  225.255274]  ? __lock_is_held+0x76/0xc0
>[  225.255357]  intel_atomic_commit+0x411/0x520 [i915]
>[  225.255370]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  225.255377]  ? drm_connector_list_iter_end+0x2f/0x40
>[  225.255385]  ? handle_conflicting_encoders+0x270/0x290
>[  225.255393]  drm_atomic_commit+0x46/0x50
>[  225.255400]  drm_atomic_helper_set_config+0x79/0x90
>[  225.255410]  __drm_mode_set_config_internal+0x60/0x110
>[  225.255417]  drm_mode_setcrtc+0x3e9/0x5f0
>[  225.255441]  drm_ioctl+0x1f4/0x480
>[  225.255447]  ? drm_mode_getcrtc+0x180/0x180
>[  225.255463]  ? __vfs_write+0x23/0x120
>[  225.255470]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  225.255481]  do_vfs_ioctl+0x90/0x6e0
>[  225.255489]  ? vfs_write+0x1ab/0x1f0
>[  225.255496]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  225.255506]  SyS_ioctl+0x3c/0x70
>[  225.255517]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  225.255523] RIP: 0033:0x7f271641a8b7
>[  225.255528] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  225.255537] RAX: ffffffffffffffda RBX: 0000000080000000 RCX: 00007f271641a8b7
>[  225.255541] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  225.255546] RBP: 0000000000036c2a R08: 0000000000000000 R09: 0000000001806de8
>[  225.255550] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001854208
>[  225.255555] R13: 0000000001852a08 R14: 00000000018523e0 R15: 0000000000000000
>[  225.255697] ---[ end trace d4359a63dd210d65 ]---
>[  225.255807] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  225.255891] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  225.255984] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  225.256081] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  225.256334] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  225.256428] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  225.256505] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  225.256582] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  225.256654] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  225.256726] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  225.256798] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  225.256872] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  225.256952] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  225.257028] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  225.257163] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  225.257238] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  225.257509] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  225.257586] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  225.258919] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  225.259028] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  225.278413] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  225.278510] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  225.278590] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  225.278689] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 65000 not found, falling back to defaults
>[  225.278766] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  225.278837] [drm:hsw_audio_config_update [i915]] using automatic N
>[  225.279002] [drm:intel_fbc_enable [i915]] reserved 6291456 bytes of contiguous stolen space for FBC, threshold: 1
>[  225.279076] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  225.295687] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  225.295809] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  225.295986] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  230.296835] [drm:drm_mode_addfb2] [FB:62]
>[  230.457243] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  230.457342] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  230.457567] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  230.457661] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  230.457739] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  230.457823] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  230.457906] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  230.457986] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  230.458063] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  230.458137] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  230.458149] [drm:drm_mode_debug_printmodeline] Modeline 0:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[  230.458223] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  230.458291] [drm:drm_mode_debug_printmodeline] Modeline 0:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[  230.458371] [drm:intel_dump_pipe_config [i915]] crtc timings: 57284 832 864 928 1152 624 625 628 667, type: 0x40 flags: 0xa
>[  230.458453] [drm:intel_dump_pipe_config [i915]] port clock: 85926, pipe src size: 832x624, pixel rate 57284
>[  230.458533] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  230.458610] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  230.458690] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  230.458777] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8300, ebb4: 0x2000,pll0: 0x1d, pll1: 0x100, pll2: 0x100000, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  230.458855] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  230.458939] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 1024x768 format = XR24 little-endian (0x34325258)
>[  230.459017] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+1024+768 dst 0x0+1024+768
>[  230.459100] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  230.459178] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  230.459253] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  230.459357] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  230.459438] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  230.459541] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  230.459616] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  230.459910] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  230.460004] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  230.460132] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  230.480121] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  230.480239] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  230.588337] ------------[ cut here ]------------
>[  230.588447] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  230.588453] pipe_off wait timed out
>[  230.588458] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  230.588571] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  230.588576] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  230.588580] Call Trace:
>[  230.588596]  dump_stack+0x67/0x92
>[  230.588606]  __warn+0xc6/0xe0
>[  230.588616]  warn_slowpath_fmt+0x46/0x50
>[  230.588700]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  230.588778]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  230.588857]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  230.588866]  ? __lock_is_held+0x76/0xc0
>[  230.588949]  intel_atomic_commit+0x411/0x520 [i915]
>[  230.588962]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  230.588969]  ? drm_connector_list_iter_end+0x2f/0x40
>[  230.588977]  ? handle_conflicting_encoders+0x270/0x290
>[  230.588985]  drm_atomic_commit+0x46/0x50
>[  230.588992]  drm_atomic_helper_set_config+0x79/0x90
>[  230.589002]  __drm_mode_set_config_internal+0x60/0x110
>[  230.589009]  drm_mode_setcrtc+0x3e9/0x5f0
>[  230.589034]  drm_ioctl+0x1f4/0x480
>[  230.589040]  ? drm_mode_getcrtc+0x180/0x180
>[  230.589055]  ? __vfs_write+0x23/0x120
>[  230.589063]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  230.589073]  do_vfs_ioctl+0x90/0x6e0
>[  230.589081]  ? vfs_write+0x1ab/0x1f0
>[  230.589089]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  230.589098]  SyS_ioctl+0x3c/0x70
>[  230.589109]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  230.589115] RIP: 0033:0x7f271641a8b7
>[  230.589120] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  230.589129] RAX: ffffffffffffffda RBX: 00007ffe037f78c0 RCX: 00007f271641a8b7
>[  230.589134] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  230.589138] RBP: 0000000001850878 R08: 0000000000000000 R09: 0000000001806de8
>[  230.589143] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000013
>[  230.589147] R13: 0000000000000264 R14: 0000000001000100 R15: 0000000000000000
>[  230.589162] ---[ end trace d4359a63dd210d66 ]---
>[  230.589392] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  230.589479] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  230.589571] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  230.589668] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  230.589887] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  230.589982] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  230.590060] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  230.590137] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  230.590209] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  230.590323] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  230.590400] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  230.590479] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  230.590559] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  230.590635] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  230.590770] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  230.590846] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  230.591069] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  230.591146] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  230.592489] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  230.592600] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  230.612874] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  230.612973] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  230.613053] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  230.613152] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 57284 not found, falling back to defaults
>[  230.613229] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  230.613433] [drm:hsw_audio_config_update [i915]] using automatic N
>[  230.613595] [drm:intel_fbc_enable [i915]] reserved 4153344 bytes of contiguous stolen space for FBC, threshold: 1
>[  230.613672] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  230.626895] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  230.627018] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  230.627194] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  235.627973] [drm:drm_mode_addfb2] [FB:103]
>[  235.772564] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  235.772664] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  235.772889] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  235.772984] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  235.773062] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  235.773146] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  235.773227] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  235.773362] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  235.773447] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  235.773528] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  235.773543] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  235.773622] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  235.773638] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  235.773719] [drm:intel_dump_pipe_config [i915]] crtc timings: 49500 800 816 896 1056 600 601 604 625, type: 0x40 flags: 0x5
>[  235.773801] [drm:intel_dump_pipe_config [i915]] port clock: 74250, pipe src size: 800x600, pixel rate 49500
>[  235.773879] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  235.773954] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  235.774033] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  235.774117] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6500, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0xe3958, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  235.774191] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  235.774309] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 832x624 format = XR24 little-endian (0x34325258)
>[  235.774394] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+832+624 dst 0x0+832+624
>[  235.774472] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  235.774549] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  235.774624] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  235.774700] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  235.774781] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  235.774882] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  235.774959] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  235.775248] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  235.775384] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  235.775512] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  235.795408] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  235.795526] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  235.928333] ------------[ cut here ]------------
>[  235.928442] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  235.928448] pipe_off wait timed out
>[  235.928453] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  235.928566] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  235.928571] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  235.928576] Call Trace:
>[  235.928591]  dump_stack+0x67/0x92
>[  235.928601]  __warn+0xc6/0xe0
>[  235.928611]  warn_slowpath_fmt+0x46/0x50
>[  235.928695]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  235.928773]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  235.928852]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  235.928863]  ? __lock_is_held+0x76/0xc0
>[  235.928947]  intel_atomic_commit+0x411/0x520 [i915]
>[  235.928957]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  235.928964]  ? drm_connector_list_iter_end+0x2f/0x40
>[  235.928972]  ? handle_conflicting_encoders+0x270/0x290
>[  235.928981]  drm_atomic_commit+0x46/0x50
>[  235.928988]  drm_atomic_helper_set_config+0x79/0x90
>[  235.928997]  __drm_mode_set_config_internal+0x60/0x110
>[  235.929005]  drm_mode_setcrtc+0x3e9/0x5f0
>[  235.929031]  drm_ioctl+0x1f4/0x480
>[  235.929037]  ? drm_mode_getcrtc+0x180/0x180
>[  235.929053]  ? __vfs_write+0x23/0x120
>[  235.929060]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  235.929070]  do_vfs_ioctl+0x90/0x6e0
>[  235.929079]  ? vfs_write+0x1ab/0x1f0
>[  235.929087]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  235.929096]  SyS_ioctl+0x3c/0x70
>[  235.929107]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  235.929113] RIP: 0033:0x7f271641a8b7
>[  235.929118] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  235.929127] RAX: ffffffffffffffda RBX: 00007ffe037f9840 RCX: 00007f271641a8b7
>[  235.929131] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  235.929136] RBP: 0000000001819300 R08: 0000000000000000 R09: 0000000001806de8
>[  235.929140] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000000000f
>[  235.929147] R13: 00007ffe037f9720 R14: 000000000184e4f0 R15: 0000000000000000
>[  235.929162] ---[ end trace d4359a63dd210d67 ]---
>[  235.929400] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  235.929487] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  235.929582] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  235.929681] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  235.929901] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  235.929995] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  235.930072] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  235.930149] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  235.930221] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  235.930337] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  235.930415] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  235.930493] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  235.930573] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  235.930649] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  235.930784] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  235.930858] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  235.931082] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  235.931160] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  235.932512] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  235.932623] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  235.952842] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  235.952941] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  235.953022] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  235.953121] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 49500 not found, falling back to defaults
>[  235.953199] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  235.953409] [drm:hsw_audio_config_update [i915]] using automatic N
>[  235.953573] [drm:intel_fbc_enable [i915]] reserved 3840000 bytes of contiguous stolen space for FBC, threshold: 1
>[  235.953649] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  235.966783] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  235.966906] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  235.967082] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  240.967927] [drm:drm_mode_addfb2] [FB:62]
>[  241.112360] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  241.112461] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  241.112685] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  241.112780] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  241.112858] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  241.112943] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  241.113024] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  241.113105] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  241.113181] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  241.113256] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  241.113321] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[  241.113396] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  241.113413] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[  241.113492] [drm:intel_dump_pipe_config [i915]] crtc timings: 50000 800 856 976 1040 600 637 643 666, type: 0x40 flags: 0x5
>[  241.113574] [drm:intel_dump_pipe_config [i915]] port clock: 75000, pipe src size: 800x600, pixel rate 50000
>[  241.113651] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  241.113729] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  241.113806] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  241.113896] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6600, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x1a6666, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  241.113973] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  241.114058] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 800x600 format = XR24 little-endian (0x34325258)
>[  241.114135] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+800+600 dst 0x0+800+600
>[  241.114211] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  241.114318] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  241.114394] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  241.114474] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  241.114560] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  241.114660] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  241.114736] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  241.115023] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  241.115118] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  241.115245] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  241.134235] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  241.134388] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  241.246898] ------------[ cut here ]------------
>[  241.247007] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  241.247013] pipe_off wait timed out
>[  241.247018] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  241.247132] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  241.247137] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  241.247141] Call Trace:
>[  241.247156]  dump_stack+0x67/0x92
>[  241.247167]  __warn+0xc6/0xe0
>[  241.247176]  warn_slowpath_fmt+0x46/0x50
>[  241.247260]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  241.247338]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  241.247417]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  241.247426]  ? __lock_is_held+0x76/0xc0
>[  241.247509]  intel_atomic_commit+0x411/0x520 [i915]
>[  241.247522]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  241.247529]  ? drm_connector_list_iter_end+0x2f/0x40
>[  241.247537]  ? handle_conflicting_encoders+0x270/0x290
>[  241.247545]  drm_atomic_commit+0x46/0x50
>[  241.247552]  drm_atomic_helper_set_config+0x79/0x90
>[  241.247562]  __drm_mode_set_config_internal+0x60/0x110
>[  241.247569]  drm_mode_setcrtc+0x3e9/0x5f0
>[  241.247594]  drm_ioctl+0x1f4/0x480
>[  241.247600]  ? drm_mode_getcrtc+0x180/0x180
>[  241.247616]  ? __vfs_write+0x23/0x120
>[  241.247623]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  241.247633]  do_vfs_ioctl+0x90/0x6e0
>[  241.247642]  ? vfs_write+0x1ab/0x1f0
>[  241.247649]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  241.247658]  SyS_ioctl+0x3c/0x70
>[  241.247670]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  241.247676] RIP: 0033:0x7f271641a8b7
>[  241.247681] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  241.247689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f271641a8b7
>[  241.247694] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  241.247698] RBP: 00007ffe037f98a0 R08: 0000000000000000 R09: 0000000001806de8
>[  241.247703] R10: 0000000001806df0 R11: 0000000000000246 R12: 00000000c01864b1
>[  241.247710] R13: 0000000000000004 R14: 000000000000001e R15: 0000000001806de8
>[  241.247850] ---[ end trace d4359a63dd210d68 ]---
>[  241.247963] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  241.248046] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  241.248141] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  241.248240] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  241.248488] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  241.248584] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  241.248660] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  241.248737] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  241.248810] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  241.248882] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  241.248953] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  241.249027] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  241.249108] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  241.249184] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  241.249361] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  241.249439] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  241.249666] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  241.249744] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  241.251078] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  241.251189] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  241.271441] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  241.271539] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  241.271620] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  241.271718] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 50000 not found, falling back to defaults
>[  241.271796] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  241.271867] [drm:hsw_audio_config_update [i915]] using automatic N
>[  241.272029] [drm:intel_fbc_enable [i915]] reserved 3840000 bytes of contiguous stolen space for FBC, threshold: 1
>[  241.272105] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  241.285902] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  241.286024] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  241.286199] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  246.287037] [drm:drm_mode_addfb2] [FB:103]
>[  246.432245] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  246.432343] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  246.432566] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  246.432660] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  246.432738] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  246.432821] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  246.432904] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  246.432984] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  246.433060] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  246.433134] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  246.433148] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  246.433222] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  246.433287] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  246.433364] [drm:intel_dump_pipe_config [i915]] crtc timings: 40000 800 840 968 1056 600 601 605 628, type: 0x40 flags: 0x5
>[  246.433448] [drm:intel_dump_pipe_config [i915]] port clock: 60000, pipe src size: 800x600, pixel rate 40000
>[  246.433529] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  246.433608] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  246.433685] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  246.433775] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8400, ebb4: 0x2000,pll0: 0x1e, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x47
>[  246.433854] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  246.433937] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 800x600 format = XR24 little-endian (0x34325258)
>[  246.434016] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+800+600 dst 0x0+800+600
>[  246.434097] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  246.434177] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  246.434252] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  246.434356] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  246.434439] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  246.434541] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  246.434617] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  246.434901] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  246.434996] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  246.435118] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  246.454787] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  246.454905] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  246.586969] ------------[ cut here ]------------
>[  246.587078] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  246.587084] pipe_off wait timed out
>[  246.587089] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  246.587325] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  246.587334] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  246.587342] Call Trace:
>[  246.587358]  dump_stack+0x67/0x92
>[  246.587371]  __warn+0xc6/0xe0
>[  246.587381]  warn_slowpath_fmt+0x46/0x50
>[  246.587467]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  246.587549]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  246.587635]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  246.587645]  ? __lock_is_held+0x76/0xc0
>[  246.587732]  intel_atomic_commit+0x411/0x520 [i915]
>[  246.587744]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  246.587753]  ? drm_connector_list_iter_end+0x2f/0x40
>[  246.587761]  ? handle_conflicting_encoders+0x270/0x290
>[  246.587769]  drm_atomic_commit+0x46/0x50
>[  246.587777]  drm_atomic_helper_set_config+0x79/0x90
>[  246.587786]  __drm_mode_set_config_internal+0x60/0x110
>[  246.587795]  drm_mode_setcrtc+0x3e9/0x5f0
>[  246.587820]  drm_ioctl+0x1f4/0x480
>[  246.587826]  ? drm_mode_getcrtc+0x180/0x180
>[  246.587842]  ? __vfs_write+0x23/0x120
>[  246.587851]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  246.587862]  do_vfs_ioctl+0x90/0x6e0
>[  246.587871]  ? vfs_write+0x1ab/0x1f0
>[  246.587878]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  246.587888]  SyS_ioctl+0x3c/0x70
>[  246.587899]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  246.587905] RIP: 0033:0x7f271641a8b7
>[  246.587910] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  246.587921] RAX: ffffffffffffffda RBX: 00007ffe037f77f0 RCX: 00007f271641a8b7
>[  246.587925] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  246.587930] RBP: 0000000000002193 R08: 0000000000000000 R09: 0000000001806de8
>[  246.587934] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000001850b80
>[  246.587939] R13: 0000000001850f08 R14: 00000000018500e0 R15: 0000000000000320
>[  246.587954] ---[ end trace d4359a63dd210d69 ]---
>[  246.588062] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  246.588143] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  246.588235] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  246.588369] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  246.588591] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  246.588685] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  246.588760] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  246.588838] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  246.588912] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  246.588986] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  246.589059] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  246.589136] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  246.589216] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  246.589335] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  246.589472] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  246.589546] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  246.589767] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  246.589845] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  246.591203] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  246.591340] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  246.609445] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  246.609542] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  246.609622] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  246.609719] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 40000 not found, falling back to defaults
>[  246.609796] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  246.609866] [drm:hsw_audio_config_update [i915]] using automatic N
>[  246.610030] [drm:intel_fbc_enable [i915]] reserved 3840000 bytes of contiguous stolen space for FBC, threshold: 1
>[  246.610105] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  246.626633] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  246.626755] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  246.626931] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  251.627659] [drm:drm_mode_addfb2] [FB:62]
>[  251.772558] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  251.772661] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  251.772881] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  251.772976] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  251.773054] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  251.773138] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  251.773221] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  251.773357] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  251.773441] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  251.773521] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  251.773536] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  251.773615] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  251.773629] [drm:drm_mode_debug_printmodeline] Modeline 0:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  251.773710] [drm:intel_dump_pipe_config [i915]] crtc timings: 36000 800 824 896 1024 600 601 603 625, type: 0x40 flags: 0x5
>[  251.773792] [drm:intel_dump_pipe_config [i915]] port clock: 54000, pipe src size: 800x600, pixel rate 36000
>[  251.773870] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  251.773946] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  251.774026] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  251.774110] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6700, ebb4: 0x2000,pll0: 0x1f, pll1: 0x100, pll2: 0x200000, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  251.774186] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  251.774264] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 800x600 format = XR24 little-endian (0x34325258)
>[  251.774378] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+800+600 dst 0x0+800+600
>[  251.774461] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  251.774538] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  251.774652] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  251.774727] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  251.774807] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  251.774908] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  251.774985] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  251.775265] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  251.775396] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  251.775525] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  251.795525] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  251.795643] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  251.930737] ------------[ cut here ]------------
>[  251.930846] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  251.930852] pipe_off wait timed out
>[  251.930857] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  251.930970] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  251.930976] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  251.930980] Call Trace:
>[  251.930995]  dump_stack+0x67/0x92
>[  251.931006]  __warn+0xc6/0xe0
>[  251.931015]  warn_slowpath_fmt+0x46/0x50
>[  251.931099]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  251.931177]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  251.931256]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  251.931268]  ? __lock_is_held+0x76/0xc0
>[  251.931350]  intel_atomic_commit+0x411/0x520 [i915]
>[  251.931363]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  251.931371]  ? drm_connector_list_iter_end+0x2f/0x40
>[  251.931379]  ? handle_conflicting_encoders+0x270/0x290
>[  251.931387]  drm_atomic_commit+0x46/0x50
>[  251.931394]  drm_atomic_helper_set_config+0x79/0x90
>[  251.931404]  __drm_mode_set_config_internal+0x60/0x110
>[  251.931412]  drm_mode_setcrtc+0x3e9/0x5f0
>[  251.931436]  drm_ioctl+0x1f4/0x480
>[  251.931441]  ? drm_mode_getcrtc+0x180/0x180
>[  251.931458]  ? __vfs_write+0x23/0x120
>[  251.931465]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  251.931475]  do_vfs_ioctl+0x90/0x6e0
>[  251.931484]  ? vfs_write+0x1ab/0x1f0
>[  251.931491]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  251.931500]  SyS_ioctl+0x3c/0x70
>[  251.931512]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  251.931518] RIP: 0033:0x7f271641a8b7
>[  251.931523] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  251.931532] RAX: ffffffffffffffda RBX: 00000000018075a0 RCX: 00007f271641a8b7
>[  251.931537] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  251.931541] RBP: 00007ffe037f8680 R08: 0000000000000000 R09: 0000000001806de8
>[  251.931545] R10: 0000000001806df0 R11: 0000000000000246 R12: 00000000018078d8
>[  251.931550] R13: 000000000184e8a0 R14: 0000000000000000 R15: 00007ffe037f8fd0
>[  251.931689] ---[ end trace d4359a63dd210d6a ]---
>[  251.931799] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  251.931883] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  251.931978] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  251.932075] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  251.932323] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  251.932419] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  251.932496] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  251.932572] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  251.932645] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  251.932717] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  251.932789] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  251.932865] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  251.932945] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  251.933020] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  251.933155] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  251.933228] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  251.933493] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  251.933576] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  251.934920] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  251.935030] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  251.955151] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  251.955250] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  251.955459] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  251.955559] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 36000 not found, falling back to defaults
>[  251.955633] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  251.955706] [drm:hsw_audio_config_update [i915]] using automatic N
>[  251.955867] [drm:intel_fbc_enable [i915]] reserved 3840000 bytes of contiguous stolen space for FBC, threshold: 1
>[  251.955943] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  251.973539] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  251.973662] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  251.973838] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  256.757140] usb 1-5: USB disconnect, device number 6
>[  256.974573] [drm:drm_mode_addfb2] [FB:103]
>[  257.106370] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  257.106472] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  257.106696] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  257.106786] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  257.106863] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  257.106947] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  257.107029] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  257.107110] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  257.107185] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  257.107260] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  257.107327] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  257.107402] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  257.107421] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  257.107499] [drm:intel_dump_pipe_config [i915]] crtc timings: 27000 720 732 796 864 576 581 586 625, type: 0x40 flags: 0xa
>[  257.107580] [drm:intel_dump_pipe_config [i915]] port clock: 40500, pipe src size: 720x576, pixel rate 27000
>[  257.107658] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  257.107735] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  257.107812] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  257.107903] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8600, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  257.107980] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  257.108064] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 800x600 format = XR24 little-endian (0x34325258)
>[  257.108140] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+800+600 dst 0x0+800+600
>[  257.108215] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  257.108321] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  257.108401] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  257.108476] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  257.108558] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  257.108660] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  257.108737] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  257.109016] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  257.109111] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  257.110526] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  257.130405] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  257.130522] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  257.236776] ------------[ cut here ]------------
>[  257.236886] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  257.236892] pipe_off wait timed out
>[  257.236897] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  257.237010] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  257.237015] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  257.237020] Call Trace:
>[  257.237035]  dump_stack+0x67/0x92
>[  257.237046]  __warn+0xc6/0xe0
>[  257.237055]  warn_slowpath_fmt+0x46/0x50
>[  257.237139]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  257.237217]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  257.237297]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  257.237306]  ? __lock_is_held+0x76/0xc0
>[  257.237388]  intel_atomic_commit+0x411/0x520 [i915]
>[  257.237401]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  257.237408]  ? drm_connector_list_iter_end+0x2f/0x40
>[  257.237416]  ? handle_conflicting_encoders+0x270/0x290
>[  257.237424]  drm_atomic_commit+0x46/0x50
>[  257.237432]  drm_atomic_helper_set_config+0x79/0x90
>[  257.237441]  __drm_mode_set_config_internal+0x60/0x110
>[  257.237449]  drm_mode_setcrtc+0x3e9/0x5f0
>[  257.237475]  drm_ioctl+0x1f4/0x480
>[  257.237481]  ? drm_mode_getcrtc+0x180/0x180
>[  257.237496]  ? __vfs_write+0x23/0x120
>[  257.237504]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  257.237514]  do_vfs_ioctl+0x90/0x6e0
>[  257.237523]  ? vfs_write+0x1ab/0x1f0
>[  257.237530]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  257.237539]  SyS_ioctl+0x3c/0x70
>[  257.237550]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  257.237556] RIP: 0033:0x7f271641a8b7
>[  257.237561] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  257.237570] RAX: ffffffffffffffda RBX: 00000000018080e4 RCX: 00007f271641a8b7
>[  257.237574] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  257.237578] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000001806de8
>[  257.237583] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000001c0a0
>[  257.237590] R13: 000000000001c018 R14: 000000000001c0a0 R15: 00007ffe037f8da0
>[  257.237688] ---[ end trace d4359a63dd210d6b ]---
>[  257.237796] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  257.237886] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  257.237978] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  257.238075] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  257.238362] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  257.238458] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  257.238535] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  257.238612] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  257.238685] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  257.238757] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  257.238828] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  257.238902] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  257.238983] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  257.239058] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  257.239193] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  257.239313] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  257.239542] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  257.239619] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  257.240983] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  257.241096] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  257.261422] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  257.261520] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  257.261600] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  257.261700] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 27000 (0x00020000)
>[  257.261772] [drm:hsw_audio_config_update [i915]] using automatic N
>[  257.261935] [drm:intel_fbc_enable [i915]] reserved 3317760 bytes of contiguous stolen space for FBC, threshold: 1
>[  257.262010] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  257.282028] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  257.282149] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  257.282454] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  258.288509] usb 1-5: new low-speed USB device number 7 using xhci_hcd
>[  258.462840] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[  258.462851] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[  258.462858] usb 1-5: Product: HP USB Optical Mouse
>[  258.462864] usb 1-5: Manufacturer: PixArt
>[  258.468589] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0006/input/input14
>[  258.522920] hid-generic 0003:03F0:094A.0006: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[  258.523861] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[  262.283201] [drm:drm_mode_addfb2] [FB:62]
>[  262.415290] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  262.415394] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  262.415620] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  262.415711] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  262.415789] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  262.415873] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  262.415955] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  262.416035] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  262.416111] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  262.416185] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  262.416199] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x576i" 50 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[  262.416325] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  262.416344] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x576i" 50 13500 720 732 795 864 576 580 586 625 0x40 0x101a
>[  262.416423] [drm:intel_dump_pipe_config [i915]] crtc timings: 13500 720 732 795 864 576 580 586 625, type: 0x40 flags: 0x101a
>[  262.416504] [drm:intel_dump_pipe_config [i915]] port clock: 40500, pipe src size: 720x576, pixel rate 13500
>[  262.416580] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  262.416657] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  262.416734] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  262.416824] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  262.416900] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  262.416985] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 720x576 format = XR24 little-endian (0x34325258)
>[  262.417061] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+720+576 dst 0x0+720+576
>[  262.417137] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  262.417214] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  262.417321] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  262.417398] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  262.417481] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  262.417582] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  262.417659] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  262.417950] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  262.418045] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  262.418174] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  262.437140] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  262.437247] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  262.549103] ------------[ cut here ]------------
>[  262.549212] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  262.549342] pipe_off wait timed out
>[  262.549350] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  262.549462] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  262.549467] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  262.549472] Call Trace:
>[  262.549485]  dump_stack+0x67/0x92
>[  262.549496]  __warn+0xc6/0xe0
>[  262.549506]  warn_slowpath_fmt+0x46/0x50
>[  262.549591]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  262.549670]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  262.549752]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  262.549761]  ? __lock_is_held+0x76/0xc0
>[  262.549848]  intel_atomic_commit+0x411/0x520 [i915]
>[  262.549863]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  262.549872]  ? drm_connector_list_iter_end+0x2f/0x40
>[  262.549880]  ? handle_conflicting_encoders+0x270/0x290
>[  262.549889]  drm_atomic_commit+0x46/0x50
>[  262.549896]  drm_atomic_helper_set_config+0x79/0x90
>[  262.549905]  __drm_mode_set_config_internal+0x60/0x110
>[  262.549915]  drm_mode_setcrtc+0x3e9/0x5f0
>[  262.549939]  drm_ioctl+0x1f4/0x480
>[  262.549945]  ? drm_mode_getcrtc+0x180/0x180
>[  262.549961]  ? __vfs_write+0x23/0x120
>[  262.549968]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  262.549979]  do_vfs_ioctl+0x90/0x6e0
>[  262.549987]  ? vfs_write+0x1ab/0x1f0
>[  262.549996]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  262.550005]  SyS_ioctl+0x3c/0x70
>[  262.550016]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  262.550022] RIP: 0033:0x7f271641a8b7
>[  262.550027] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  262.550036] RAX: ffffffffffffffda RBX: 00007ffe037f9640 RCX: 00007f271641a8b7
>[  262.550041] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  262.550047] RBP: 00007ffe037f9630 R08: 0000000000000000 R09: 0000000001806de8
>[  262.550051] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000437420
>[  262.550056] R13: 00007ffe037f9800 R14: 0000000000000000 R15: 0000000000000001
>[  262.550071] ---[ end trace d4359a63dd210d6c ]---
>[  262.550179] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  262.550262] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  262.550410] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  262.550508] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  262.550726] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  262.550820] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  262.550897] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  262.550973] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  262.551045] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  262.551120] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  262.551192] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  262.551305] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  262.551387] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  262.551466] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  262.551599] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  262.551672] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  262.551897] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  262.551974] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  262.553316] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  262.553428] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  262.573636] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  262.573735] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  262.573816] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  262.573915] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 13500 not found, falling back to defaults
>[  262.573994] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  262.574065] [drm:hsw_audio_config_update [i915]] using automatic N
>[  262.574229] [drm:intel_fbc_enable [i915]] reserved 3317760 bytes of contiguous stolen space for FBC, threshold: 1
>[  262.574399] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  262.594282] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  262.594507] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  262.594683] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  267.595519] [drm:drm_mode_addfb2] [FB:103]
>[  267.700377] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  267.700479] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  267.700697] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  267.700784] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  267.700862] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  267.700946] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  267.701029] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  267.701109] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  267.701185] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  267.701260] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  267.701327] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  267.701402] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  267.701419] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  267.701498] [drm:intel_dump_pipe_config [i915]] crtc timings: 27027 720 736 798 858 480 489 495 525, type: 0x40 flags: 0xa
>[  267.701580] [drm:intel_dump_pipe_config [i915]] port clock: 40540, pipe src size: 720x480, pixel rate 27027
>[  267.701659] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  267.701736] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  267.701813] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  267.701902] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  267.701979] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  267.702061] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 720x576 format = XR24 little-endian (0x34325258)
>[  267.702137] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+720+576 dst 0x0+720+576
>[  267.702217] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  267.702323] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  267.702401] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  267.702476] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  267.702559] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  267.702660] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  267.702736] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  267.703011] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  267.703104] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  267.703230] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  267.722205] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  267.722360] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  267.854919] ------------[ cut here ]------------
>[  267.855010] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  267.855016] pipe_off wait timed out
>[  267.855020] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  267.855133] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  267.855138] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  267.855142] Call Trace:
>[  267.855154]  dump_stack+0x67/0x92
>[  267.855164]  __warn+0xc6/0xe0
>[  267.855173]  warn_slowpath_fmt+0x46/0x50
>[  267.855257]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  267.855334]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  267.855413]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  267.855425]  ? __lock_is_held+0x76/0xc0
>[  267.855507]  intel_atomic_commit+0x411/0x520 [i915]
>[  267.855519]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  267.855527]  ? drm_connector_list_iter_end+0x2f/0x40
>[  267.855534]  ? handle_conflicting_encoders+0x270/0x290
>[  267.855542]  drm_atomic_commit+0x46/0x50
>[  267.855549]  drm_atomic_helper_set_config+0x79/0x90
>[  267.855559]  __drm_mode_set_config_internal+0x60/0x110
>[  267.855566]  drm_mode_setcrtc+0x3e9/0x5f0
>[  267.855593]  drm_ioctl+0x1f4/0x480
>[  267.855599]  ? drm_mode_getcrtc+0x180/0x180
>[  267.855615]  ? __vfs_write+0x23/0x120
>[  267.855623]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  267.855633]  do_vfs_ioctl+0x90/0x6e0
>[  267.855641]  ? vfs_write+0x1ab/0x1f0
>[  267.855648]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  267.855657]  SyS_ioctl+0x3c/0x70
>[  267.855669]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  267.855675] RIP: 0033:0x7f271641a8b7
>[  267.855680] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  267.855688] RAX: ffffffffffffffda RBX: 00007ffe037f8460 RCX: 00007f271641a8b7
>[  267.855693] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  267.855697] RBP: 00007ffe037f8490 R08: 0000000000000000 R09: 0000000001806de8
>[  267.855702] R10: 0000000001806df0 R11: 0000000000000246 R12: 00007ffe037f86c8
>[  267.855706] R13: 00007ffe037f8490 R14: 00007ffe037f8c78 R15: 00007ffe037f8c88
>[  267.855792] ---[ end trace d4359a63dd210d6d ]---
>[  267.855894] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  267.855982] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  267.856072] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  267.856164] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  267.856411] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  267.856505] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  267.856582] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  267.856658] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  267.856730] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  267.856804] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  267.856875] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  267.856949] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  267.857026] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  267.857102] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  267.857236] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  267.857349] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  267.857577] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  267.857654] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  267.859010] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  267.859115] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  267.879409] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  267.879506] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  267.879587] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  267.879687] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 27027 (0x00030000)
>[  267.879760] [drm:hsw_audio_config_update [i915]] using automatic N
>[  267.879923] [drm:intel_fbc_enable [i915]] reserved 2764800 bytes of contiguous stolen space for FBC, threshold: 1
>[  267.879998] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  267.896688] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  267.896811] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  267.896987] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  272.897826] [drm:drm_mode_addfb2] [FB:62]
>[  273.003140] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  273.003290] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  273.003520] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  273.003608] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  273.003690] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  273.003778] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  273.003862] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  273.003943] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  273.004019] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  273.004094] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  273.004106] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  273.004181] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  273.004192] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  273.004314] [drm:intel_dump_pipe_config [i915]] crtc timings: 27000 720 736 798 858 480 489 495 525, type: 0x40 flags: 0xa
>[  273.004396] [drm:intel_dump_pipe_config [i915]] port clock: 40500, pipe src size: 720x480, pixel rate 27000
>[  273.004475] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  273.004552] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  273.004628] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  273.004716] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x1ba5e3, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  273.004795] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  273.004878] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 720x480 format = XR24 little-endian (0x34325258)
>[  273.004956] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+720+480 dst 0x0+720+480
>[  273.005035] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  273.005111] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  273.005187] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  273.005261] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  273.005387] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  273.005492] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  273.005568] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  273.005839] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  273.005933] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  273.006056] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  273.024973] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  273.025080] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  273.156105] ------------[ cut here ]------------
>[  273.156197] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  273.156266] pipe_off wait timed out
>[  273.156271] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  273.156392] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  273.156399] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  273.156404] Call Trace:
>[  273.156415]  dump_stack+0x67/0x92
>[  273.156426]  __warn+0xc6/0xe0
>[  273.156436]  warn_slowpath_fmt+0x46/0x50
>[  273.156521]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  273.156600]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  273.156680]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  273.156694]  ? __lock_is_held+0x76/0xc0
>[  273.156780]  intel_atomic_commit+0x411/0x520 [i915]
>[  273.156794]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  273.156803]  ? drm_connector_list_iter_end+0x2f/0x40
>[  273.156810]  ? handle_conflicting_encoders+0x270/0x290
>[  273.156818]  drm_atomic_commit+0x46/0x50
>[  273.156826]  drm_atomic_helper_set_config+0x79/0x90
>[  273.156836]  __drm_mode_set_config_internal+0x60/0x110
>[  273.156843]  drm_mode_setcrtc+0x3e9/0x5f0
>[  273.156868]  drm_ioctl+0x1f4/0x480
>[  273.156874]  ? drm_mode_getcrtc+0x180/0x180
>[  273.156890]  ? __vfs_write+0x23/0x120
>[  273.156899]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  273.156908]  do_vfs_ioctl+0x90/0x6e0
>[  273.156917]  ? vfs_write+0x1ab/0x1f0
>[  273.156924]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  273.156934]  SyS_ioctl+0x3c/0x70
>[  273.156947]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  273.156953] RIP: 0033:0x7f271641a8b7
>[  273.156958] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  273.156967] RAX: ffffffffffffffda RBX: 00000000018078d8 RCX: 00007f271641a8b7
>[  273.156971] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  273.156976] RBP: 0000000000018d24 R08: 0000000000000000 R09: 0000000001806de8
>[  273.156981] R10: 0000000001806df0 R11: 0000000000000246 R12: 000000000185ee40
>[  273.156987] R13: 000000000185eefc R14: 000000000185ee68 R15: 0000000000000004
>[  273.157001] ---[ end trace d4359a63dd210d6e ]---
>[  273.157102] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  273.157183] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  273.157316] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  273.157411] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  273.157629] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  273.157721] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  273.157798] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  273.157874] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  273.157947] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  273.158021] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  273.158092] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  273.158166] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  273.158244] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  273.158362] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  273.158500] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  273.158577] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  273.158798] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  273.158876] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  273.160229] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  273.160358] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  273.180393] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  273.180491] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  273.180573] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  273.180673] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 27000 (0x00020000)
>[  273.180744] [drm:hsw_audio_config_update [i915]] using automatic N
>[  273.180907] [drm:intel_fbc_enable [i915]] reserved 2764800 bytes of contiguous stolen space for FBC, threshold: 1
>[  273.180982] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  273.197690] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  273.197813] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  273.197988] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  278.198831] [drm:drm_mode_addfb2] [FB:103]
>[  278.304292] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  278.304384] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  278.304602] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  278.304689] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  278.304766] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  278.304849] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  278.304931] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  278.305011] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  278.305087] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  278.305161] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  278.305175] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480i" 60 13514 720 739 801 858 480 488 494 525 0x40 0x101a
>[  278.305248] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  278.305314] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480i" 60 13514 720 739 801 858 480 488 494 525 0x40 0x101a
>[  278.305394] [drm:intel_dump_pipe_config [i915]] crtc timings: 13514 720 739 801 858 480 488 494 525, type: 0x40 flags: 0x101a
>[  278.305477] [drm:intel_dump_pipe_config [i915]] port clock: 40542, pipe src size: 720x480, pixel rate 13514
>[  278.305557] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  278.305634] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  278.305711] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  278.305799] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  278.305876] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  278.305959] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 720x480 format = XR24 little-endian (0x34325258)
>[  278.306037] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+720+480 dst 0x0+720+480
>[  278.306119] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  278.306199] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  278.306306] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  278.306384] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  278.306464] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  278.306566] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  278.306643] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  278.306913] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  278.307007] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  278.307132] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  278.326913] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  278.327031] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  278.459299] ------------[ cut here ]------------
>[  278.459409] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  278.459415] pipe_off wait timed out
>[  278.459420] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  278.459533] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  278.459538] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  278.459543] Call Trace:
>[  278.459558]  dump_stack+0x67/0x92
>[  278.459568]  __warn+0xc6/0xe0
>[  278.459578]  warn_slowpath_fmt+0x46/0x50
>[  278.459663]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  278.459740]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  278.459819]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  278.459831]  ? __lock_is_held+0x76/0xc0
>[  278.459913]  intel_atomic_commit+0x411/0x520 [i915]
>[  278.459929]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  278.459936]  ? drm_connector_list_iter_end+0x2f/0x40
>[  278.459944]  ? handle_conflicting_encoders+0x270/0x290
>[  278.459952]  drm_atomic_commit+0x46/0x50
>[  278.459959]  drm_atomic_helper_set_config+0x79/0x90
>[  278.459968]  __drm_mode_set_config_internal+0x60/0x110
>[  278.459976]  drm_mode_setcrtc+0x3e9/0x5f0
>[  278.460000]  drm_ioctl+0x1f4/0x480
>[  278.460006]  ? drm_mode_getcrtc+0x180/0x180
>[  278.460022]  ? __vfs_write+0x23/0x120
>[  278.460030]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  278.460040]  do_vfs_ioctl+0x90/0x6e0
>[  278.460049]  ? vfs_write+0x1ab/0x1f0
>[  278.460056]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  278.460065]  SyS_ioctl+0x3c/0x70
>[  278.460076]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  278.460082] RIP: 0033:0x7f271641a8b7
>[  278.460087] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  278.460096] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f271641a8b7
>[  278.460101] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  278.460105] RBP: 0000000000000d68 R08: 0000000000000000 R09: 0000000001806de8
>[  278.460110] R10: 0000000001806df0 R11: 0000000000000246 R12: 00007f27166da8c0
>[  278.460114] R13: 0000000000437420 R14: 0000000000000002 R15: 00007ffe037f9640
>[  278.460129] ---[ end trace d4359a63dd210d6f ]---
>[  278.460238] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  278.460449] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  278.460547] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  278.460645] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  278.460864] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  278.460960] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  278.461037] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  278.461113] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  278.461186] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  278.461259] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  278.461387] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  278.461465] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  278.461547] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  278.461623] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  278.461756] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  278.461830] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  278.462052] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  278.462129] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  278.463500] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  278.463611] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  278.483724] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  278.483822] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  278.483902] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  278.484001] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 13514 not found, falling back to defaults
>[  278.484078] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  278.484149] [drm:hsw_audio_config_update [i915]] using automatic N
>[  278.484432] [drm:intel_fbc_enable [i915]] reserved 2764800 bytes of contiguous stolen space for FBC, threshold: 1
>[  278.484512] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  278.501038] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  278.501160] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  278.501464] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  283.502179] [drm:drm_mode_addfb2] [FB:62]
>[  283.607485] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  283.607577] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  283.607800] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  283.607887] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  283.607967] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  283.608051] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  283.608134] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  283.608214] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  283.608343] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  283.608425] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  283.608442] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480i" 60 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[  283.608519] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  283.608533] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x480i" 60 13500 720 739 801 858 480 488 494 525 0x40 0x101a
>[  283.608613] [drm:intel_dump_pipe_config [i915]] crtc timings: 13500 720 739 801 858 480 488 494 525, type: 0x40 flags: 0x101a
>[  283.608695] [drm:intel_dump_pipe_config [i915]] port clock: 40500, pipe src size: 720x480, pixel rate 13500
>[  283.608774] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  283.608853] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  283.608932] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  283.609014] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x1bc01a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  283.609095] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  283.609174] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 720x480 format = XR24 little-endian (0x34325258)
>[  283.609249] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+720+480 dst 0x0+720+480
>[  283.609372] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  283.609450] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  283.609527] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  283.609642] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  283.609722] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  283.609821] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  283.609897] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  283.610161] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  283.610255] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  283.610414] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  283.630379] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  283.630497] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  283.760353] ------------[ cut here ]------------
>[  283.760462] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  283.760468] pipe_off wait timed out
>[  283.760473] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  283.760585] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  283.760591] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  283.760595] Call Trace:
>[  283.760610]  dump_stack+0x67/0x92
>[  283.760620]  __warn+0xc6/0xe0
>[  283.760630]  warn_slowpath_fmt+0x46/0x50
>[  283.760715]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  283.760793]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  283.760872]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  283.760883]  ? __lock_is_held+0x76/0xc0
>[  283.760965]  intel_atomic_commit+0x411/0x520 [i915]
>[  283.760978]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  283.760986]  ? drm_connector_list_iter_end+0x2f/0x40
>[  283.760993]  ? handle_conflicting_encoders+0x270/0x290
>[  283.761002]  drm_atomic_commit+0x46/0x50
>[  283.761009]  drm_atomic_helper_set_config+0x79/0x90
>[  283.761018]  __drm_mode_set_config_internal+0x60/0x110
>[  283.761026]  drm_mode_setcrtc+0x3e9/0x5f0
>[  283.761050]  drm_ioctl+0x1f4/0x480
>[  283.761056]  ? drm_mode_getcrtc+0x180/0x180
>[  283.761072]  ? __vfs_write+0x23/0x120
>[  283.761080]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  283.761090]  do_vfs_ioctl+0x90/0x6e0
>[  283.761098]  ? vfs_write+0x1ab/0x1f0
>[  283.761106]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  283.761115]  SyS_ioctl+0x3c/0x70
>[  283.761126]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  283.761132] RIP: 0033:0x7f271641a8b7
>[  283.761137] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  283.761146] RAX: ffffffffffffffda RBX: 0000000001807570 RCX: 00007f271641a8b7
>[  283.761150] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  283.761155] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000001806de8
>[  283.761159] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000001
>[  283.761164] R13: 0000000000000026 R14: 0000000000000026 R15: 0000000001806de8
>[  283.761179] ---[ end trace d4359a63dd210d70 ]---
>[  283.761415] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  283.761501] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  283.761592] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  283.761690] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  283.761910] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  283.762004] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  283.762080] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  283.762155] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  283.762227] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  283.762343] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  283.762419] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  283.762497] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  283.762575] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  283.762651] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  283.762785] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  283.762859] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  283.763084] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  283.763166] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  283.764501] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  283.764613] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  283.784718] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  283.784816] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  283.784897] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  283.784996] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 13500 not found, falling back to defaults
>[  283.785074] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  283.785145] [drm:hsw_audio_config_update [i915]] using automatic N
>[  283.785390] [drm:intel_fbc_enable [i915]] reserved 2764800 bytes of contiguous stolen space for FBC, threshold: 1
>[  283.785472] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  283.802050] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  283.802174] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  283.802477] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  288.803192] [drm:drm_mode_addfb2] [FB:103]
>[  288.905546] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  288.905638] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  288.905858] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  288.905958] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  288.906037] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  288.906121] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  288.906204] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  288.906339] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  288.906421] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  288.906501] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  288.906516] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  288.906595] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  288.906609] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  288.906690] [drm:intel_dump_pipe_config [i915]] crtc timings: 31500 640 656 720 840 480 481 484 500, type: 0x40 flags: 0xa
>[  288.906773] [drm:intel_dump_pipe_config [i915]] port clock: 47250, pipe src size: 640x480, pixel rate 31500
>[  288.906852] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  288.906927] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  288.907001] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  288.907087] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  288.907162] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  288.907244] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 720x480 format = XR24 little-endian (0x34325258)
>[  288.907359] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+720+480 dst 0x0+720+480
>[  288.907440] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  288.907521] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  288.907599] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  288.907675] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  288.907760] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  288.907861] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  288.907937] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  288.908205] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  288.908341] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  288.908464] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  288.928096] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  288.928214] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  289.059140] ------------[ cut here ]------------
>[  289.059249] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  289.059381] pipe_off wait timed out
>[  289.059389] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  289.059501] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  289.059506] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  289.059511] Call Trace:
>[  289.059524]  dump_stack+0x67/0x92
>[  289.059534]  __warn+0xc6/0xe0
>[  289.059544]  warn_slowpath_fmt+0x46/0x50
>[  289.059633]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  289.059712]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  289.059792]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  289.059802]  ? __lock_is_held+0x76/0xc0
>[  289.059889]  intel_atomic_commit+0x411/0x520 [i915]
>[  289.059904]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  289.059913]  ? drm_connector_list_iter_end+0x2f/0x40
>[  289.059920]  ? handle_conflicting_encoders+0x270/0x290
>[  289.059929]  drm_atomic_commit+0x46/0x50
>[  289.059936]  drm_atomic_helper_set_config+0x79/0x90
>[  289.059945]  __drm_mode_set_config_internal+0x60/0x110
>[  289.059953]  drm_mode_setcrtc+0x3e9/0x5f0
>[  289.059979]  drm_ioctl+0x1f4/0x480
>[  289.059985]  ? drm_mode_getcrtc+0x180/0x180
>[  289.060001]  ? __vfs_write+0x23/0x120
>[  289.060010]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  289.060020]  do_vfs_ioctl+0x90/0x6e0
>[  289.060028]  ? vfs_write+0x1ab/0x1f0
>[  289.060035]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  289.060045]  SyS_ioctl+0x3c/0x70
>[  289.060057]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  289.060063] RIP: 0033:0x7f271641a8b7
>[  289.060068] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  289.060077] RAX: ffffffffffffffda RBX: 0000000000000018 RCX: 00007f271641a8b7
>[  289.060082] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  289.060086] RBP: 000000000180a4c0 R08: 0000000000000000 R09: 0000000001806de8
>[  289.060091] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000028
>[  289.060097] R13: 000000000184f5f0 R14: 0000000001819300 R15: 0000000000000000
>[  289.060111] ---[ end trace d4359a63dd210d71 ]---
>[  289.060219] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  289.060340] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  289.060442] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  289.060535] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  289.060754] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  289.060852] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  289.060929] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  289.061006] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  289.061079] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  289.061154] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  289.061226] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  289.061340] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  289.061422] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  289.061502] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  289.061636] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  289.061710] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  289.061933] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  289.062013] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  289.063402] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  289.063516] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  289.083874] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  289.083973] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  289.084053] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  289.084153] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 31500 not found, falling back to defaults
>[  289.084231] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  289.084432] [drm:hsw_audio_config_update [i915]] using automatic N
>[  289.084596] [drm:intel_fbc_enable [i915]] reserved 2457600 bytes of contiguous stolen space for FBC, threshold: 1
>[  289.084672] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  289.097825] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  289.097945] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  289.098122] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  294.098906] [drm:drm_mode_addfb2] [FB:62]
>[  294.201595] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  294.201690] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  294.201911] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  294.202007] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  294.202085] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  294.202169] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  294.202248] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  294.202388] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  294.202470] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  294.202549] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  294.202564] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[  294.202641] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  294.202658] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[  294.202738] [drm:intel_dump_pipe_config [i915]] crtc timings: 31500 640 664 704 832 480 489 492 520, type: 0x40 flags: 0xa
>[  294.202817] [drm:intel_dump_pipe_config [i915]] port clock: 47250, pipe src size: 640x480, pixel rate 31500
>[  294.202895] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  294.202970] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  294.203045] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  294.203129] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8700, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x4cccd, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  294.203203] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  294.203328] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 640x480 format = XR24 little-endian (0x34325258)
>[  294.203409] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+640+480 dst 0x0+640+480
>[  294.203489] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  294.203568] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  294.203647] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  294.203725] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  294.203809] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  294.203909] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  294.203985] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  294.204248] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  294.204384] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  294.204512] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  294.224410] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  294.224527] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  294.357971] ------------[ cut here ]------------
>[  294.358080] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  294.358086] pipe_off wait timed out
>[  294.358091] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  294.358327] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  294.358335] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  294.358343] Call Trace:
>[  294.358360]  dump_stack+0x67/0x92
>[  294.358372]  __warn+0xc6/0xe0
>[  294.358382]  warn_slowpath_fmt+0x46/0x50
>[  294.358468]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  294.358549]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  294.358631]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  294.358642]  ? __lock_is_held+0x76/0xc0
>[  294.358725]  intel_atomic_commit+0x411/0x520 [i915]
>[  294.358736]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  294.358745]  ? drm_connector_list_iter_end+0x2f/0x40
>[  294.358753]  ? handle_conflicting_encoders+0x270/0x290
>[  294.358761]  drm_atomic_commit+0x46/0x50
>[  294.358768]  drm_atomic_helper_set_config+0x79/0x90
>[  294.358778]  __drm_mode_set_config_internal+0x60/0x110
>[  294.358786]  drm_mode_setcrtc+0x3e9/0x5f0
>[  294.358813]  drm_ioctl+0x1f4/0x480
>[  294.358819]  ? drm_mode_getcrtc+0x180/0x180
>[  294.358835]  ? __vfs_write+0x23/0x120
>[  294.358842]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  294.358854]  do_vfs_ioctl+0x90/0x6e0
>[  294.358863]  ? vfs_write+0x1ab/0x1f0
>[  294.358870]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  294.358879]  SyS_ioctl+0x3c/0x70
>[  294.358890]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  294.358896] RIP: 0033:0x7f271641a8b7
>[  294.358901] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  294.358910] RAX: ffffffffffffffda RBX: 0000000001812d88 RCX: 00007f271641a8b7
>[  294.358915] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  294.358919] RBP: 00000000018136e0 R08: 0000000000000000 R09: 0000000001806de8
>[  294.358926] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000049
>[  294.358931] R13: 0000000000000059 R14: 000000000184f758 R15: 0000000000000003
>[  294.358946] ---[ end trace d4359a63dd210d72 ]---
>[  294.359054] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  294.359135] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  294.359226] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  294.359359] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  294.359581] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  294.359677] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  294.359752] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  294.359828] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  294.359901] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  294.359975] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  294.360048] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  294.360123] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  294.360203] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  294.360321] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  294.360458] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  294.360533] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  294.360757] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  294.360834] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  294.362157] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  294.362265] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  294.382629] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  294.382728] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  294.382808] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  294.382906] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 31500 not found, falling back to defaults
>[  294.382984] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  294.383054] [drm:hsw_audio_config_update [i915]] using automatic N
>[  294.383218] [drm:intel_fbc_enable [i915]] reserved 2457600 bytes of contiguous stolen space for FBC, threshold: 1
>[  294.383388] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  294.396972] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  294.397094] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  294.397270] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  299.398108] [drm:drm_mode_addfb2] [FB:103]
>[  299.500763] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  299.500856] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  299.501078] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  299.501176] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  299.501254] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  299.501390] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  299.501477] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  299.501563] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  299.501641] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  299.501719] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  299.501736] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  299.501814] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  299.501826] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  299.501903] [drm:intel_dump_pipe_config [i915]] crtc timings: 30240 640 704 768 864 480 483 486 525, type: 0x40 flags: 0xa
>[  299.501980] [drm:intel_dump_pipe_config [i915]] port clock: 45360, pipe src size: 640x480, pixel rate 30240
>[  299.502055] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  299.502129] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  299.502202] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  299.502328] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8700, ebb4: 0x2000,pll0: 0x21, pll1: 0x100, pll2: 0x4cccd, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  299.502410] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  299.502493] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 640x480 format = XR24 little-endian (0x34325258)
>[  299.502571] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+640+480 dst 0x0+640+480
>[  299.502653] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  299.502731] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  299.502806] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  299.502882] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  299.502963] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  299.503063] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  299.503140] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  299.503451] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  299.503546] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  299.503670] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  299.522639] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  299.522747] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  299.653854] ------------[ cut here ]------------
>[  299.653946] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  299.653951] pipe_off wait timed out
>[  299.653956] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  299.654070] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  299.654075] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  299.654079] Call Trace:
>[  299.654091]  dump_stack+0x67/0x92
>[  299.654101]  __warn+0xc6/0xe0
>[  299.654110]  warn_slowpath_fmt+0x46/0x50
>[  299.654194]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  299.654272]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  299.654351]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  299.654363]  ? __lock_is_held+0x76/0xc0
>[  299.654446]  intel_atomic_commit+0x411/0x520 [i915]
>[  299.654459]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  299.654466]  ? drm_connector_list_iter_end+0x2f/0x40
>[  299.654473]  ? handle_conflicting_encoders+0x270/0x290
>[  299.654481]  drm_atomic_commit+0x46/0x50
>[  299.654488]  drm_atomic_helper_set_config+0x79/0x90
>[  299.654497]  __drm_mode_set_config_internal+0x60/0x110
>[  299.654505]  drm_mode_setcrtc+0x3e9/0x5f0
>[  299.654531]  drm_ioctl+0x1f4/0x480
>[  299.654537]  ? drm_mode_getcrtc+0x180/0x180
>[  299.654553]  ? __vfs_write+0x23/0x120
>[  299.654560]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  299.654570]  do_vfs_ioctl+0x90/0x6e0
>[  299.654579]  ? vfs_write+0x1ab/0x1f0
>[  299.654586]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  299.654595]  SyS_ioctl+0x3c/0x70
>[  299.654606]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  299.654612] RIP: 0033:0x7f271641a8b7
>[  299.654617] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  299.654626] RAX: ffffffffffffffda RBX: 000000000181c1b0 RCX: 00007f271641a8b7
>[  299.654631] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  299.654635] RBP: 000000000181c1b0 R08: 0000000000000000 R09: 0000000001806de8
>[  299.654639] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000001
>[  299.654644] R13: 0000000000000000 R14: 0000000000000038 R15: 0000000000000038
>[  299.654731] ---[ end trace d4359a63dd210d73 ]---
>[  299.654833] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  299.654919] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  299.655011] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  299.655105] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  299.655352] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  299.655446] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  299.655523] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  299.655599] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  299.655671] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  299.655744] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  299.655815] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  299.655892] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  299.655969] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  299.656045] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  299.656178] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  299.656256] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  299.656516] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  299.656594] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  299.657966] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  299.658068] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  299.678181] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  299.678401] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  299.678486] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  299.678583] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 30240 not found, falling back to defaults
>[  299.678657] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  299.678729] [drm:hsw_audio_config_update [i915]] using automatic N
>[  299.678891] [drm:intel_fbc_enable [i915]] reserved 2457600 bytes of contiguous stolen space for FBC, threshold: 1
>[  299.678966] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  299.693792] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  299.693913] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  299.694089] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  304.694920] [drm:drm_mode_addfb2] [FB:62]
>[  304.797816] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  304.797912] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  304.798136] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  304.798222] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  304.798354] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  304.798442] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  304.798532] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  304.798615] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  304.798696] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  304.798771] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  304.798785] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  304.798859] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  304.798874] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  304.798951] [drm:intel_dump_pipe_config [i915]] crtc timings: 25200 640 656 752 800 480 490 492 525, type: 0x40 flags: 0xa
>[  304.799028] [drm:intel_dump_pipe_config [i915]] port clock: 37800, pipe src size: 640x480, pixel rate 25200
>[  304.799103] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  304.799179] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  304.799253] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  304.799402] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8700, ebb4: 0x2000,pll0: 0x1f, pll1: 0x100, pll2: 0x3020c5, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  304.799483] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  304.799566] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 640x480 format = XR24 little-endian (0x34325258)
>[  304.799645] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+640+480 dst 0x0+640+480
>[  304.799728] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  304.799808] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  304.799888] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  304.799967] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  304.800052] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  304.800152] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  304.800228] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  304.800532] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  304.800627] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  304.800752] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  304.819700] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  304.819807] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  304.954693] ------------[ cut here ]------------
>[  304.954802] WARNING: CPU: 0 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  304.954808] pipe_off wait timed out
>[  304.954813] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  304.954926] CPU: 0 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  304.954931] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  304.954936] Call Trace:
>[  304.954951]  dump_stack+0x67/0x92
>[  304.954961]  __warn+0xc6/0xe0
>[  304.954971]  warn_slowpath_fmt+0x46/0x50
>[  304.955055]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  304.955133]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  304.955212]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  304.955221]  ? __lock_is_held+0x76/0xc0
>[  304.955304]  intel_atomic_commit+0x411/0x520 [i915]
>[  304.955314]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  304.955321]  ? drm_connector_list_iter_end+0x2f/0x40
>[  304.955329]  ? handle_conflicting_encoders+0x270/0x290
>[  304.955337]  drm_atomic_commit+0x46/0x50
>[  304.955344]  drm_atomic_helper_set_config+0x79/0x90
>[  304.955354]  __drm_mode_set_config_internal+0x60/0x110
>[  304.955361]  drm_mode_setcrtc+0x3e9/0x5f0
>[  304.955386]  drm_ioctl+0x1f4/0x480
>[  304.955392]  ? drm_mode_getcrtc+0x180/0x180
>[  304.955407]  ? __vfs_write+0x23/0x120
>[  304.955415]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  304.955425]  do_vfs_ioctl+0x90/0x6e0
>[  304.955434]  ? vfs_write+0x1ab/0x1f0
>[  304.955441]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  304.955450]  SyS_ioctl+0x3c/0x70
>[  304.955461]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  304.955467] RIP: 0033:0x7f271641a8b7
>[  304.955472] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  304.955481] RAX: ffffffffffffffda RBX: 00007ffe037f96d0 RCX: 00007f271641a8b7
>[  304.955485] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  304.955490] RBP: 00007ffe037f96c0 R08: 0000000000000000 R09: 0000000001806de8
>[  304.955494] R10: 0000000001806df0 R11: 0000000000000246 R12: 00000000004337ab
>[  304.955501] R13: 00007ffe037f9870 R14: 0000000000000000 R15: 0000000000000000
>[  304.955639] ---[ end trace d4359a63dd210d74 ]---
>[  304.955749] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  304.955836] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  304.955933] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  304.956030] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  304.956249] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  304.956374] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  304.956450] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  304.956527] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  304.956599] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  304.956670] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  304.956742] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  304.956819] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  304.956898] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  304.956974] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  304.957110] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  304.957186] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  304.958301] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  304.958379] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  304.959671] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  304.959783] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  304.980093] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  304.980191] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  304.980396] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  304.980495] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  304.980570] [drm:hsw_audio_config_update [i915]] using automatic N
>[  304.980728] [drm:intel_fbc_enable [i915]] reserved 2457600 bytes of contiguous stolen space for FBC, threshold: 1
>[  304.980804] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  304.997465] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  304.997587] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  304.997764] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  309.998493] [drm:drm_mode_addfb2] [FB:103]
>[  310.101427] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  310.101521] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  310.101746] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  310.101832] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  310.101909] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  310.101993] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  310.102076] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  310.102156] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  310.102232] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  310.102359] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  310.102378] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  310.102454] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  310.102471] [drm:drm_mode_debug_printmodeline] Modeline 0:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  310.102549] [drm:intel_dump_pipe_config [i915]] crtc timings: 25175 640 656 752 800 480 490 492 525, type: 0x40 flags: 0xa
>[  310.102629] [drm:intel_dump_pipe_config [i915]] port clock: 37762, pipe src size: 640x480, pixel rate 25175
>[  310.102708] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  310.102786] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  310.102863] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  310.102951] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x1e, pll1: 0x100, pll2: 0xf5c29, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  310.103027] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  310.103105] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:62, fb = 640x480 format = XR24 little-endian (0x34325258)
>[  310.103180] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+640+480 dst 0x0+640+480
>[  310.103254] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  310.103393] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  310.103473] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  310.103553] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  310.103638] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  310.103740] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  310.103817] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  310.104087] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  310.104181] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  310.104351] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  310.124421] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  310.124538] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  310.261260] ------------[ cut here ]------------
>[  310.261369] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  310.261374] pipe_off wait timed out
>[  310.261379] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  310.261492] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  310.261497] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  310.261501] Call Trace:
>[  310.261516]  dump_stack+0x67/0x92
>[  310.261527]  __warn+0xc6/0xe0
>[  310.261536]  warn_slowpath_fmt+0x46/0x50
>[  310.261620]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  310.261698]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  310.261777]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  310.261789]  ? __lock_is_held+0x76/0xc0
>[  310.261872]  intel_atomic_commit+0x411/0x520 [i915]
>[  310.261885]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  310.261892]  ? drm_connector_list_iter_end+0x2f/0x40
>[  310.261899]  ? handle_conflicting_encoders+0x270/0x290
>[  310.261908]  drm_atomic_commit+0x46/0x50
>[  310.261915]  drm_atomic_helper_set_config+0x79/0x90
>[  310.261924]  __drm_mode_set_config_internal+0x60/0x110
>[  310.261932]  drm_mode_setcrtc+0x3e9/0x5f0
>[  310.261958]  drm_ioctl+0x1f4/0x480
>[  310.261964]  ? drm_mode_getcrtc+0x180/0x180
>[  310.261980]  ? __vfs_write+0x23/0x120
>[  310.261987]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  310.261997]  do_vfs_ioctl+0x90/0x6e0
>[  310.262006]  ? vfs_write+0x1ab/0x1f0
>[  310.262013]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  310.262022]  SyS_ioctl+0x3c/0x70
>[  310.262033]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  310.262039] RIP: 0033:0x7f271641a8b7
>[  310.262044] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  310.262053] RAX: ffffffffffffffda RBX: 0000000000000030 RCX: 00007f271641a8b7
>[  310.262058] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  310.262062] RBP: 000000000181c1b0 R08: 0000000000000000 R09: 0000000001806de8
>[  310.262067] R10: 0000000001806df0 R11: 0000000000000246 R12: 0000000000000001
>[  310.262071] R13: 0000000000000000 R14: 0000000000000030 R15: 0000000000000030
>[  310.262086] ---[ end trace d4359a63dd210d75 ]---
>[  310.262195] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  310.262414] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  310.262512] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  310.262610] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  310.262829] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  310.262924] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  310.263001] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  310.263078] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  310.263151] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  310.263223] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  310.263336] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  310.263419] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  310.263501] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  310.263577] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  310.263714] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  310.263787] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  310.264013] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  310.264092] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  310.265429] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  310.265541] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  310.285851] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  310.285949] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  310.286031] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  310.286130] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25175 (0x00000000)
>[  310.286202] [drm:hsw_audio_config_update [i915]] using automatic N
>[  310.286492] [drm:intel_fbc_enable [i915]] reserved 2457600 bytes of contiguous stolen space for FBC, threshold: 1
>[  310.286568] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  310.303145] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  310.303267] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  310.303568] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  315.304388] [drm:drm_mode_addfb2] [FB:62]
>[  315.394251] [drm:drm_mode_setcrtc] [CRTC:36:pipe A]
>[  315.394348] [drm:drm_mode_setcrtc] [CONNECTOR:75:HDMI-A-2]
>[  315.394571] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  315.394665] [drm:intel_hdmi_compute_config [i915]] picking bpc to 12 for HDMI output
>[  315.394744] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 36 for HDMI
>[  315.394828] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 36, dithering: 0
>[  315.394912] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  315.394992] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 36, dithering: 0
>[  315.395067] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  315.395141] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  315.395155] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  315.395228] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  315.395291] [drm:drm_mode_debug_printmodeline] Modeline 0:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  315.395368] [drm:intel_dump_pipe_config [i915]] crtc timings: 28320 720 738 846 900 400 412 414 449, type: 0x40 flags: 0x6
>[  315.395448] [drm:intel_dump_pipe_config [i915]] port clock: 42480, pipe src size: 720x400, pixel rate 28320
>[  315.395527] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  315.395603] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  315.395679] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  315.395767] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x8800, ebb4: 0x2000,pll0: 0x1e, pll1: 0x100, pll2: 0xd6a16, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  315.395844] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  315.395927] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] FB:103, fb = 640x480 format = XR24 little-endian (0x34325258)
>[  315.396005] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+640+480 dst 0x0+640+480
>[  315.396087] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  315.396166] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  315.396240] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  315.396344] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  315.396425] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  315.396528] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL C
>[  315.396604] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe A
>[  315.396874] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  315.396971] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  315.397096] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  315.417136] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  315.417253] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  315.555330] ------------[ cut here ]------------
>[  315.555440] WARNING: CPU: 1 PID: 1246 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  315.555446] pipe_off wait timed out
>[  315.555451] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  315.555566] CPU: 1 PID: 1246 Comm: testdisplay Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  315.555571] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  315.555575] Call Trace:
>[  315.555590]  dump_stack+0x67/0x92
>[  315.555601]  __warn+0xc6/0xe0
>[  315.555611]  warn_slowpath_fmt+0x46/0x50
>[  315.555695]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  315.555773]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  315.555851]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  315.555863]  ? __lock_is_held+0x76/0xc0
>[  315.555946]  intel_atomic_commit+0x411/0x520 [i915]
>[  315.555956]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  315.555963]  ? drm_connector_list_iter_end+0x2f/0x40
>[  315.555971]  ? handle_conflicting_encoders+0x270/0x290
>[  315.555979]  drm_atomic_commit+0x46/0x50
>[  315.555987]  drm_atomic_helper_set_config+0x79/0x90
>[  315.555996]  __drm_mode_set_config_internal+0x60/0x110
>[  315.556003]  drm_mode_setcrtc+0x3e9/0x5f0
>[  315.556028]  drm_ioctl+0x1f4/0x480
>[  315.556034]  ? drm_mode_getcrtc+0x180/0x180
>[  315.556050]  ? __vfs_write+0x23/0x120
>[  315.556057]  ? debug_lockdep_rcu_enabled+0x1d/0x20
>[  315.556067]  do_vfs_ioctl+0x90/0x6e0
>[  315.556076]  ? vfs_write+0x1ab/0x1f0
>[  315.556083]  ? trace_hardirqs_on_caller+0x122/0x1b0
>[  315.556092]  SyS_ioctl+0x3c/0x70
>[  315.556103]  entry_SYSCALL_64_fastpath+0x1c/0xb1
>[  315.556109] RIP: 0033:0x7f271641a8b7
>[  315.556114] RSP: 002b:00007ffe037f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[  315.556123] RAX: ffffffffffffffda RBX: 00007ffe037f8630 RCX: 00007f271641a8b7
>[  315.556128] RDX: 00007ffe037f98c0 RSI: 00000000c06864a2 RDI: 0000000000000004
>[  315.556132] RBP: 00000000018479f8 R08: 0000000000000000 R09: 0000000001806de8
>[  315.556137] R10: 0000000001806df0 R11: 0000000000000246 R12: 00000000018479d0
>[  315.556144] R13: 00007ffe037f8fd0 R14: 00000000018479f8 R15: 00000000018078d8
>[  315.556158] ---[ end trace d4359a63dd210d76 ]---
>[  315.556267] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  315.556476] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  315.556572] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  315.556671] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  315.556890] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  315.556985] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  315.557061] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  315.557137] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  315.557209] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  315.557321] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  315.557397] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  315.557476] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  315.557556] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  315.557631] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  315.557766] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 1, on? 0) for crtc 36
>[  315.557838] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  315.558062] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  315.558144] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  315.559538] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  315.559648] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  315.579909] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  315.580007] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  315.580087] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe A, 32 bytes ELD
>[  315.580186] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 28320 not found, falling back to defaults
>[  315.580264] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  315.580466] [drm:hsw_audio_config_update [i915]] using automatic N
>[  315.580631] [drm:intel_fbc_enable [i915]] reserved 2304000 bytes of contiguous stolen space for FBC, threshold: 1
>[  315.580708] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  315.594796] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  315.594917] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  315.595091] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  318.597185] usb 1-5: USB disconnect, device number 7
>[  320.128508] usb 1-5: new low-speed USB device number 8 using xhci_hcd
>[  320.302736] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[  320.302748] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[  320.302755] usb 1-5: Product: HP USB Optical Mouse
>[  320.302761] usb 1-5: Manufacturer: PixArt
>[  320.308329] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0007/input/input15
>[  320.361946] hid-generic 0003:03F0:094A.0007: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[  320.362956] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)
>[  320.595925] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 79200 kHz, actual 79200 kHz
>[  320.596130] [drm:hsw_audio_codec_disable [i915]] Disable audio codec on pipe A
>[  320.596428] [drm:i915_audio_component_get_eld [i915]] Not valid for port C
>[  320.597159] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  320.616562] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  320.616679] [drm:intel_disable_pipe [i915]] disabling pipe A
>[  320.746690] ------------[ cut here ]------------
>[  320.746799] WARNING: CPU: 1 PID: 18 at drivers/gpu/drm/i915/intel_display.c:1025 intel_disable_pipe+0x160/0x2a0 [i915]
>[  320.746805] pipe_off wait timed out
>[  320.746810] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm sdhci_pci sdhci mmc_core i915 r8169 mii prime_numbers i2c_hid
>[  320.746925] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G     U  W       4.11.0-rc7-drm-tip-ww16-commit-1b75708+ #1
>[  320.746931] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0043.B30.1704112138 04/11/2017
>[  320.746943] Workqueue: events drm_mode_rmfb_work_fn
>[  320.746951] Call Trace:
>[  320.746965]  dump_stack+0x67/0x92
>[  320.746976]  __warn+0xc6/0xe0
>[  320.746985]  warn_slowpath_fmt+0x46/0x50
>[  320.747069]  intel_disable_pipe+0x160/0x2a0 [i915]
>[  320.747147]  haswell_crtc_disable+0x7c/0x170 [i915]
>[  320.747226]  intel_atomic_commit_tail+0x12c/0x1020 [i915]
>[  320.747235]  ? __lock_is_held+0x76/0xc0
>[  320.747318]  intel_atomic_commit+0x411/0x520 [i915]
>[  320.747326]  ? drm_atomic_check_only+0x3d0/0x5b0
>[  320.747336]  drm_atomic_commit+0x46/0x50
>[  320.747343]  atomic_remove_fb+0x265/0x2a0
>[  320.747360]  drm_framebuffer_remove+0x4c/0x150
>[  320.747368]  drm_mode_rmfb_work_fn+0x50/0x70
>[  320.747379]  process_one_work+0x1f2/0x6d0
>[  320.747390]  worker_thread+0x1e0/0x4a0
>[  320.747402]  kthread+0x10f/0x150
>[  320.747408]  ? process_one_work+0x6d0/0x6d0
>[  320.747414]  ? kthread_create_on_node+0x40/0x40
>[  320.747424]  ret_from_fork+0x2e/0x40
>[  320.747568] ---[ end trace d4359a63dd210d77 ]---
>[  320.747674] [drm:intel_power_well_disable [i915]] disabling DDI C IO power well
>[  320.747758] [drm:skl_set_power_well [i915]] Disabling DDI C IO power well
>[  320.747853] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
>[  320.747952] [drm:intel_disable_shared_dpll [i915]] disable PORT PLL C (active 1, on? 1) for crtc 36
>[  320.748172] [drm:intel_disable_shared_dpll [i915]] disabling PORT PLL C
>[  320.748377] [drm:intel_set_cdclk [i915]] Changing CDCLK to 79200 kHz, VCO 633600 kHz, ref 19200 kHz
>[  320.748538] [drm:intel_update_cdclk [i915]] Current CD clock rate: 79200 kHz, VCO: 633600 kHz, ref: 19200 kHz
>[  320.748617] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  320.748691] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  320.748770] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  320.748845] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  320.748919] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  320.748992] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  320.749075] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  320.749155] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  320.749231] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  320.749351] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  320.749466] [drm:intel_power_well_disable [i915]] disabling dpio-common-c
>[  320.749548] [drm:intel_power_well_disable [i915]] disabling power well 2
>[  320.749763] [drm:skl_set_power_well [i915]] Disabling power well 2
>[  320.749869] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  320.749966] [drm:intel_power_well_disable [i915]] disabling DC off
>[  320.750048] [drm:gen9_enable_dc5 [i915]] Enabling DC5
>[  320.750124] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 01
>[  320.750207] [drm:intel_power_well_disable [i915]] disabling always-on
>[  320.751832] [drm:intel_atomic_check [i915]] [CONNECTOR:60:eDP-1] checking for sink bpp constrains
>[  320.751925] [drm:intel_atomic_check [i915]] clamping display bpp (was 36) to EDID reported max of 24
>[  320.752008] [drm:intel_dp_compute_config [i915]] DP link computation with max lane count 2 max bw 270000 pixel clock 141000KHz
>[  320.752093] [drm:intel_dp_compute_config [i915]] DP link bw 0a rate select 00 lane count 2 clock 270000 bpp 24
>[  320.752163] [drm:intel_dp_compute_config [i915]] DP link bw required 423000 available 540000
>[  320.752238] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  320.752351] [drm:intel_dump_pipe_config [i915]] [CRTC:36:pipe A][modeset]
>[  320.752427] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: EDP, pipe bpp: 24, dithering: 0
>[  320.752500] [drm:intel_dump_pipe_config [i915]] dp m_n: lanes: 2; gmch_m: 102673, gmch_n: 131072, link_m: 34224, link_n: 65536, tu: 64
>[  320.752570] [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0
>[  320.752639] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  320.752649] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[  320.752717] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  320.752726] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 141000 1920 1936 1952 2104 1080 1083 1097 1116 0x48 0xa
>[  320.752797] [drm:intel_dump_pipe_config [i915]] crtc timings: 141000 1920 1936 1952 2104 1080 1083 1097 1116, type: 0x48 flags: 0xa
>[  320.752869] [drm:intel_dump_pipe_config [i915]] port clock: 270000, pipe src size: 1920x1080, pixel rate 141000
>[  320.752939] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  320.753009] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  320.753078] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  320.753162] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x6a00, ebb4: 0x2000,pll0: 0x1f, pll1: 0x100, pll2: 0x370a3d, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x44
>[  320.753231] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  320.753331] [drm:intel_dump_pipe_config [i915]] [PLANE:26:plane 1A] disabled, scaler_id = -1
>[  320.753402] [drm:intel_dump_pipe_config [i915]] [PLANE:28:plane 2A] disabled, scaler_id = -1
>[  320.753473] [drm:intel_dump_pipe_config [i915]] [PLANE:30:plane 3A] disabled, scaler_id = -1
>[  320.753544] [drm:intel_dump_pipe_config [i915]] [PLANE:32:plane 4A] disabled, scaler_id = -1
>[  320.753615] [drm:intel_dump_pipe_config [i915]] [PLANE:34:cursor A] disabled, scaler_id = -1
>[  320.753693] [drm:intel_atomic_check [i915]] [CONNECTOR:75:HDMI-A-2] checking for sink bpp constrains
>[  320.753779] [drm:intel_hdmi_compute_config [i915]] picking bpc to 8 for HDMI output
>[  320.753850] [drm:intel_hdmi_compute_config [i915]] forcing pipe bpp to 24 for HDMI
>[  320.753922] [drm:intel_atomic_check [i915]] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  320.753995] [drm:intel_dump_pipe_config [i915]] [CRTC:47:pipe B][modeset]
>[  320.754064] [drm:intel_dump_pipe_config [i915]] cpu_transcoder: B, pipe bpp: 24, dithering: 0
>[  320.754132] [drm:intel_dump_pipe_config [i915]] audio: 1, infoframes: 1
>[  320.754199] [drm:intel_dump_pipe_config [i915]] requested mode:
>[  320.754235] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[  320.754303] [drm:intel_dump_pipe_config [i915]] adjusted mode:
>[  320.754311] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 60 533250 3840 3888 3920 4000 2160 2163 2168 2222 0x48 0x9
>[  320.754381] [drm:intel_dump_pipe_config [i915]] crtc timings: 533250 3840 3888 3920 4000 2160 2163 2168 2222, type: 0x48 flags: 0x9
>[  320.754449] [drm:intel_dump_pipe_config [i915]] port clock: 533250, pipe src size: 3840x2160, pixel rate 533250
>[  320.754518] [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  320.754586] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  320.754653] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
>[  320.754728] [drm:bxt_dump_hw_state [i915]] dpll_hw_state: ebb0: 0x4100, ebb4: 0x2000,pll0: 0x1a, pll1: 0x100, pll2: 0x2a6666, pll3: 0x10000, pll6: 0x30b05, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x58
>[  320.754796] [drm:intel_dump_pipe_config [i915]] planes on this crtc
>[  320.754870] [drm:intel_dump_pipe_config [i915]] [PLANE:37:plane 1B] FB:105, fb = 3840x2160 format = XR24 little-endian (0x34325258)
>[  320.754938] [drm:intel_dump_pipe_config [i915]] 	scaler:-1 src 0x0+0+0 dst 0x0+0+0
>[  320.755008] [drm:intel_dump_pipe_config [i915]] [PLANE:39:plane 2B] disabled, scaler_id = -1
>[  320.755078] [drm:intel_dump_pipe_config [i915]] [PLANE:41:plane 3B] disabled, scaler_id = -1
>[  320.755148] [drm:intel_dump_pipe_config [i915]] [PLANE:43:plane 4B] disabled, scaler_id = -1
>[  320.755217] [drm:intel_dump_pipe_config [i915]] [PLANE:45:cursor B] disabled, scaler_id = -1
>[  320.755323] [drm:intel_atomic_check [i915]] New cdclk calculated to be logical 316800 kHz, actual 316800 kHz
>[  320.755407] [drm:bxt_get_dpll [i915]] [CRTC:36:pipe A] using pre-allocated PORT PLL A
>[  320.755481] [drm:intel_reference_shared_dpll [i915]] using PORT PLL A for pipe A
>[  320.755561] [drm:bxt_get_dpll [i915]] [CRTC:47:pipe B] using pre-allocated PORT PLL C
>[  320.755630] [drm:intel_reference_shared_dpll [i915]] using PORT PLL C for pipe B
>[  320.756059] [drm:intel_power_well_enable [i915]] enabling always-on
>[  320.756148] [drm:intel_power_well_enable [i915]] enabling DC off
>[  320.756235] [drm:gen9_set_dc_state [i915]] Setting DC state from 01 to 00
>[  320.756362] [drm:intel_power_well_enable [i915]] enabling dpio-common-a
>[  320.757206] [drm:intel_power_well_enable [i915]] enabling power well 2
>[  320.757311] [drm:skl_set_power_well [i915]] Enabling power well 2
>[  320.757501] [drm:intel_power_well_enable [i915]] enabling dpio-common-c
>[  320.757738] [drm:intel_set_cdclk [i915]] Changing CDCLK to 316800 kHz, VCO 633600 kHz, ref 19200 kHz
>[  320.757951] [drm:intel_update_cdclk [i915]] Current CD clock rate: 316800 kHz, VCO: 633600 kHz, ref: 19200 kHz
>[  320.758027] [drm:intel_atomic_commit_tail [i915]] [ENCODER:59:DDI A]
>[  320.758099] [drm:intel_atomic_commit_tail [i915]] [ENCODER:67:DDI B]
>[  320.758171] [drm:intel_atomic_commit_tail [i915]] [ENCODER:69:DP-MST A]
>[  320.758242] [drm:intel_atomic_commit_tail [i915]] [ENCODER:70:DP-MST B]
>[  320.758340] [drm:intel_atomic_commit_tail [i915]] [ENCODER:71:DP-MST C]
>[  320.758410] [drm:intel_atomic_commit_tail [i915]] [ENCODER:74:DDI C]
>[  320.758482] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  320.758560] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL B
>[  320.758635] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  320.758799] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL A (active 1, on? 0) for crtc 36
>[  320.758885] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL A
>[  320.760086] [drm:intel_power_well_enable [i915]] enabling AUX A
>[  320.760161] [drm:skl_set_power_well [i915]] Enabling AUX A
>[  320.760276] [drm:edp_panel_on [i915]] Turn eDP port A panel power on
>[  320.760415] [drm:wait_panel_power_cycle [i915]] Wait for panel power cycle
>[  320.760516] [drm:wait_panel_status [i915]] mask b800000f value 00000000 status 00000000 control 00000060
>[  320.760589] [drm:wait_panel_status [i915]] Wait complete
>[  320.760663] [drm:edp_panel_on [i915]] Wait for panel power on
>[  320.760740] [drm:wait_panel_status [i915]] mask b000000f value 80000008 status 9000000a control 00000063
>[  320.863886] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  320.863971] [drm:intel_hpd_irq_handler [i915]] digital hpd port A - long
>[  320.864049] [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on PIN 4 - cnt: 0
>[  320.864187] [drm:intel_dp_hpd_pulse [i915]] ignoring long hpd on eDP port A
>[  320.962851] [drm:wait_panel_status [i915]] Wait complete
>[  320.962936] [drm:intel_power_well_disable [i915]] disabling AUX A
>[  320.963014] [drm:skl_set_power_well [i915]] Disabling AUX A
>[  320.963101] [drm:intel_power_well_enable [i915]] enabling DDI A IO power well
>[  320.963173] [drm:skl_set_power_well [i915]] Enabling DDI A IO power well
>[  320.963456] [drm:intel_power_well_enable [i915]] enabling AUX A
>[  320.963561] [drm:skl_set_power_well [i915]] Enabling AUX A
>[  320.963740] [drm:edp_panel_vdd_on [i915]] Turning eDP port A VDD on
>[  320.963843] [drm:edp_panel_vdd_on [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  320.965945] [drm:intel_dp_set_signal_levels [i915]] Using vswing level 0
>[  320.966020] [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
>[  320.966097] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
>[  320.966929] [drm:intel_dp_start_link_train [i915]] clock recovery OK
>[  320.966998] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS2
>[  320.968195] [drm:intel_dp_start_link_train [i915]] Channel EQ done. DP Training successful
>[  320.968310] [drm:intel_dp_start_link_train [i915]] Link Training Passed at Link Rate = 270000, Lane count = 2
>[  320.969913] [drm:intel_enable_pipe [i915]] enabling pipe A
>[  320.970013] [drm:intel_edp_backlight_on.part.22 [i915]] 
>[  320.970087] [drm:intel_panel_enable_backlight [i915]] pipe A
>[  320.970204] [drm:intel_panel_actually_set_backlight [i915]] set backlight PWM = 67764
>[  320.970337] [drm:intel_psr_enable [i915]] PSR not supported on this platform
>[  320.970406] [drm:intel_edp_drrs_enable [i915]] Panel doesn't support DRRS
>[  320.970683] [drm:intel_fbc_enable [i915]] reserved 33177600 bytes of contiguous stolen space for FBC, threshold: 1
>[  320.970794] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
>[  320.971018] [drm:intel_enable_shared_dpll [i915]] enable PORT PLL C (active 2, on? 0) for crtc 47
>[  320.971092] [drm:intel_enable_shared_dpll [i915]] enabling PORT PLL C
>[  320.971839] [drm:intel_power_well_enable [i915]] enabling DDI C IO power well
>[  320.971914] [drm:skl_set_power_well [i915]] Enabling DDI C IO power well
>[  320.973352] [drm:intel_enable_pipe [i915]] enabling pipe B
>[  320.973947] [drm:intel_hdmi_handle_sink_scrambling [i915]] Setting sink scrambling for enc:DDI C connector:HDMI-A-2
>[  320.993934] [drm:intel_hdmi_handle_sink_scrambling [i915]] sink scrambling handled
>[  320.994026] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:75:HDMI-A-2], [ENCODER:74:DDI C]
>[  320.994104] [drm:hsw_audio_codec_enable [i915]] Enable audio codec on pipe B, 32 bytes ELD
>[  320.994273] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] HDMI audio pixel clock setting for 533250 not found, falling back to defaults
>[  320.994460] [drm:audio_config_hdmi_pixel_clock.isra.3 [i915]] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[  320.994529] [drm:hsw_audio_config_update [i915]] using automatic N
>[  321.003706] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:60:eDP-1]
>[  321.003804] [drm:intel_atomic_commit_tail [i915]] [CRTC:36:pipe A]
>[  321.004122] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL A
>[  321.004528] [drm:verify_connector_state.isra.48 [i915]] [CONNECTOR:75:HDMI-A-2]
>[  321.004617] [drm:intel_atomic_commit_tail [i915]] [CRTC:47:pipe B]
>[  321.004775] [drm:verify_single_dpll_state.isra.74 [i915]] PORT PLL C
>[  323.511624] [drm:edp_panel_vdd_off_sync [i915]] Turning eDP port A VDD off
>[  323.511719] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[  323.511799] [drm:intel_power_well_disable [i915]] disabling AUX A
>[  323.511879] [drm:skl_set_power_well [i915]] Disabling AUX A
>[  380.437160] usb 1-5: USB disconnect, device number 8
>[  381.968502] usb 1-5: new low-speed USB device number 9 using xhci_hcd
>[  382.142753] usb 1-5: New USB device found, idVendor=03f0, idProduct=094a
>[  382.142764] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
>[  382.142770] usb 1-5: Product: HP USB Optical Mouse
>[  382.142777] usb 1-5: Manufacturer: PixArt
>[  382.148720] input: PixArt HP USB Optical Mouse as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/0003:03F0:094A.0008/input/input16
>[  382.202818] hid-generic 0003:03F0:094A.0008: input,hidraw1: USB HID v1.11 Mouse [PixArt HP USB Optical Mouse] on usb-0000:00:15.0-5/input0
>[  382.203723] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:31ca] (rev 1)

Actions: View

Attachments on bug 100440: 130518 | 130519 | 130679 | 130948 | 130949 | 130950 | 131099 | 131100 | 131101 | 131297

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.