Attachment 120460 Details for Bug 93342 – dmesg.log

dmesg.log

dmesg.log (text/plain), 251.42 KB, created by Humberto Israel Perez Rodriguez on 2015-12-11 06:11:14 UTC

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Creator: Humberto Israel Perez Rodriguez

Created: 2015-12-11 06:11:14 UTC

Size: 251.42 KB

patch

obsolete

>[    5.861646] [drm:drm_mode_debug_printmodeline] Modeline 69:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    5.861652] [drm:drm_mode_debug_printmodeline] Modeline 70:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[    5.861658] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[    5.861664] [drm:drm_mode_debug_printmodeline] Modeline 107:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[    5.861670] [drm:drm_mode_debug_printmodeline] Modeline 84:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[    5.861676] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    5.861682] [drm:drm_mode_debug_printmodeline] Modeline 72:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[    5.861688] [drm:drm_mode_debug_printmodeline] Modeline 73:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[    5.861694] [drm:drm_mode_debug_printmodeline] Modeline 74:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.861700] [drm:drm_mode_debug_printmodeline] Modeline 83:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.861706] [drm:drm_mode_debug_printmodeline] Modeline 75:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    5.861751] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[    5.861812] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[    5.861817] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:48:DP-2]
>[    5.861823] [drm:intel_dp_detect] [CONNECTOR:48:DP-2]
>[    5.862848] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 01 00 01 80 02 00 00 00 00 00 00
>[    5.862863] [drm:intel_dp_print_rates] source rates: 162000, 216000, 270000, 324000, 432000, 540000
>[    5.862870] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[    5.862874] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[    5.863778] [drm:intel_dp_probe_oui] Sink OUI: 00e04c
>[    5.864661] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[    5.873279] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[    5.873305] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:48:DP-2] probed modes :
>[    5.873313] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[    5.873320] [drm:drm_mode_debug_printmodeline] Modeline 89:"1600x900" 60 108000 1600 1624 1704 1800 900 901 904 1000 0x40 0x5
>[    5.873326] [drm:drm_mode_debug_printmodeline] Modeline 106:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    5.873332] [drm:drm_mode_debug_printmodeline] Modeline 88:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[    5.873339] [drm:drm_mode_debug_printmodeline] Modeline 87:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[    5.873345] [drm:drm_mode_debug_printmodeline] Modeline 108:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[    5.873351] [drm:drm_mode_debug_printmodeline] Modeline 109:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[    5.873358] [drm:drm_mode_debug_printmodeline] Modeline 112:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[    5.873364] [drm:drm_mode_debug_printmodeline] Modeline 93:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[    5.873370] [drm:drm_mode_debug_printmodeline] Modeline 95:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[    5.873376] [drm:drm_mode_debug_printmodeline] Modeline 97:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[    5.873382] [drm:drm_mode_debug_printmodeline] Modeline 105:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[    5.873396] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[    5.873427] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[    5.873431] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2]
>[    5.873436] [drm:intel_hdmi_detect] [CONNECTOR:52:HDMI-A-2]
>[    5.873727] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[    5.873731] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[    5.873965] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[    5.873970] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    5.873976] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2] disconnected
>[    5.873987] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[    6.021764] [drm:i915_gem_open] 
>[    6.915068] [drm:i915_gem_open] 
>[    6.915247] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[    6.917225] [drm:i915_gem_open] 
>[    6.917325] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[    6.917334] [drm:drm_mode_getresources] [CRTC:21]
>[    6.917338] [drm:drm_mode_getresources] [CRTC:25]
>[    6.917341] [drm:drm_mode_getresources] [CRTC:29]
>[    6.917345] [drm:drm_mode_getresources] [ENCODER:31:TMDS-31]
>[    6.917349] [drm:drm_mode_getresources] [ENCODER:40:TMDS-40]
>[    6.917357] [drm:drm_mode_getresources] [ENCODER:42:DP MST-42]
>[    6.917360] [drm:drm_mode_getresources] [ENCODER:43:DP MST-43]
>[    6.917364] [drm:drm_mode_getresources] [ENCODER:44:DP MST-44]
>[    6.917367] [drm:drm_mode_getresources] [ENCODER:47:TMDS-47]
>[    6.917370] [drm:drm_mode_getresources] [ENCODER:49:DP MST-49]
>[    6.917374] [drm:drm_mode_getresources] [ENCODER:50:DP MST-50]
>[    6.917377] [drm:drm_mode_getresources] [ENCODER:51:DP MST-51]
>[    6.917381] [drm:drm_mode_getresources] [CONNECTOR:32:eDP-1]
>[    6.917385] [drm:drm_mode_getresources] [CONNECTOR:41:DP-1]
>[    6.917389] [drm:drm_mode_getresources] [CONNECTOR:45:HDMI-A-1]
>[    6.917392] [drm:drm_mode_getresources] [CONNECTOR:48:DP-2]
>[    6.917396] [drm:drm_mode_getresources] [CONNECTOR:52:HDMI-A-2]
>[    6.917400] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[    6.919948] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[    6.919993] [drm:drm_mode_addfb2] [FB:56]
>[    6.920805] [drm:internal_framebuffer_create] could not create framebuffer
>[    6.920825] [drm:drm_mode_addfb2] [FB:56]
>[    6.920973] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[    6.920981] [drm:drm_mode_getresources] [CRTC:21]
>[    6.920984] [drm:drm_mode_getresources] [CRTC:25]
>[    6.920987] [drm:drm_mode_getresources] [CRTC:29]
>[    6.920991] [drm:drm_mode_getresources] [ENCODER:31:TMDS-31]
>[    6.920995] [drm:drm_mode_getresources] [ENCODER:40:TMDS-40]
>[    6.920999] [drm:drm_mode_getresources] [ENCODER:42:DP MST-42]
>[    6.921002] [drm:drm_mode_getresources] [ENCODER:43:DP MST-43]
>[    6.921006] [drm:drm_mode_getresources] [ENCODER:44:DP MST-44]
>[    6.921009] [drm:drm_mode_getresources] [ENCODER:47:TMDS-47]
>[    6.921013] [drm:drm_mode_getresources] [ENCODER:49:DP MST-49]
>[    6.921016] [drm:drm_mode_getresources] [ENCODER:50:DP MST-50]
>[    6.921019] [drm:drm_mode_getresources] [ENCODER:51:DP MST-51]
>[    6.921023] [drm:drm_mode_getresources] [CONNECTOR:32:eDP-1]
>[    6.921027] [drm:drm_mode_getresources] [CONNECTOR:41:DP-1]
>[    6.921030] [drm:drm_mode_getresources] [CONNECTOR:45:HDMI-A-1]
>[    6.921034] [drm:drm_mode_getresources] [CONNECTOR:48:DP-2]
>[    6.921037] [drm:drm_mode_getresources] [CONNECTOR:52:HDMI-A-2]
>[    6.921041] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[    6.921391] [drm:drm_mode_getconnector] [CONNECTOR:32:?]
>[    6.921416] [drm:drm_mode_getconnector] [CONNECTOR:32:?]
>[    6.943112] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[    6.943150] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[    6.943278] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[    6.943310] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[    6.943428] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[    6.943441] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[    6.943543] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[    6.943554] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[    6.995923] [drm:drm_mode_addfb2] [FB:56]
>[    7.110381] [drm:drm_mode_setcrtc] [CRTC:21]
>[    7.110391] [drm:drm_mode_setcrtc] [CONNECTOR:32:eDP-1]
>[    7.110418] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[    7.110423] [drm:intel_atomic_setup_scalers] crtc_state = ffff880166681c00 need = 0 avail = 2 scaler_users = 0x0
>[    7.114748] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    7.114755] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    7.118153] [drm:drm_mode_setcrtc] [CRTC:25]
>[    7.118167] [drm:drm_mode_setcrtc] [CONNECTOR:45:HDMI-A-1]
>[    7.118194] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[    7.118202] [drm:intel_atomic_setup_scalers] crtc_state = ffff880166683400 need = 0 avail = 2 scaler_users = 0x0
>[    7.118234] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    7.118239] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    7.135267] [drm:drm_mode_setcrtc] [CRTC:29]
>[    7.135283] [drm:drm_mode_setcrtc] [CONNECTOR:48:DP-2]
>[    7.135315] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[    7.135323] [drm:intel_atomic_setup_scalers] crtc_state = ffff880166682c00 need = 0 avail = 1 scaler_users = 0x0
>[    7.135364] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    7.291415] e1000e: enp1s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
>[    7.291735] IPv6: ADDRCONF(NETDEV_CHANGE): enp1s0: link becomes ready
>[    7.364649] [drm:i915_gem_open] 
>[    7.429226] [drm:intel_atomic_setup_scalers] crtc_state = ffff880166123000 need = 0 avail = 2 scaler_users = 0x0
>[    7.429247] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[    7.434816] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[    7.434981] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    7.434988] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    7.434990] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    7.435019] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507000 need = 0 avail = 2 scaler_users = 0x0
>[    7.435026] ------------[ cut here ]------------
>[    7.435040] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    7.435041] WARN_ON(!wm_changed)
>[    7.435042] Modules linked in:
>[    7.435043]  binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    7.435076]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    7.435084] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    7.435085] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    7.435087]  ffffffffa0340248 ffff8801684af5b0 ffffffff8138bd1d ffff8801684af5f8
>[    7.435089]  ffff8801684af5e8 ffffffff81076e56 ffff880035e63000 ffff8801684af680
>[    7.435091]  ffff8801684af734 ffff880035e64000 ffff88016616f380 ffff8801684af648
>[    7.435093] Call Trace:
>[    7.435097]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    7.435101]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    7.435103]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    7.435112]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    7.435121]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    7.435124]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[    7.435126]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    7.435135]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    7.435149]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[    7.435155]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[    7.435170]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[    7.435183]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    7.435192]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[    7.435201]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    7.435205]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[    7.435213]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[    7.435222]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    7.435224]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[    7.435232]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    7.435240]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    7.435245]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    7.435254]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    7.435256]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    7.435259]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    7.435262]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    7.435265]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    7.435267]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    7.435269]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    7.435271]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    7.435273]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    7.435276]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    7.435277] ---[ end trace 1eccc4e5610ef28a ]---
>[    7.435280] ------------[ cut here ]------------
>[    7.435289] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    7.435290] WARN_ON(!wm_changed)
>[    7.435290] Modules linked in:
>[    7.435291]  binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    7.435313]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    7.435319] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    7.435320] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    7.435321]  ffffffffa0340248 ffff8801684af5b0 ffffffff8138bd1d ffff8801684af5f8
>[    7.435323]  ffff8801684af5e8 ffffffff81076e56 ffff880035e65000 ffff8801684af680
>[    7.435324]  ffff8801684af734 ffff880035e64000 ffff88016616f380 ffff8801684af648
>[    7.435326] Call Trace:
>[    7.435328]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    7.435330]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    7.435332]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    7.435341]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    7.435349]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    7.435351]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[    7.435353]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    7.435362]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    7.435375]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[    7.435379]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[    7.435393]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[    7.435403]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    7.435412]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[    7.435420]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    7.435425]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[    7.435433]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[    7.435440]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    7.435443]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[    7.435450]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    7.435458]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    7.435463]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    7.435471]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    7.435472]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    7.435474]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    7.435476]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    7.435479]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    7.435480]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    7.435482]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    7.435484]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    7.435486]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    7.435488]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    7.435489] ---[ end trace 1eccc4e5610ef28b ]---
>[    7.435508] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    7.435510] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    7.435512] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    7.435517] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    7.435519] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    7.435528] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506c00 need = 0 avail = 1 scaler_users = 0x0
>[    7.435538] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[    7.451373] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[    7.468212] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    7.468376] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    7.828161] calling  bnep_init+0x0/0x71 [bnep] @ 976
>[    7.828168] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
>[    7.828169] Bluetooth: BNEP filters: protocol multicast
>[    7.828173] Bluetooth: BNEP socket layer initialized
>[    7.828177] initcall bnep_init+0x0/0x71 [bnep] returned 0 after 7 usecs
>[    8.141727] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[    8.141732] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:41:DP-1]
>[    8.141734] [drm:intel_dp_detect] [CONNECTOR:41:DP-1]
>[    8.150153] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[    8.158558] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[    8.174502] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[    8.190522] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[    8.198143] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:41:DP-1] disconnected
>[    8.198230] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[    8.198232] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2]
>[    8.198234] [drm:intel_hdmi_detect] [CONNECTOR:52:HDMI-A-2]
>[    8.198468] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[    8.198471] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[    8.198700] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[    8.198703] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    8.198706] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2] disconnected
>[    8.375998] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168500400 need = 0 avail = 2 scaler_users = 0x0
>[    8.376011] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.376013] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.376021] ------------[ cut here ]------------
>[    8.376036] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.376037] WARN_ON(!wm_changed)
>[    8.376038] Modules linked in:
>[    8.376040]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.376076]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.376084] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.376086] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.376087]  ffffffffa0340248 ffff8801684af648 ffffffff8138bd1d ffff8801684af690
>[    8.376089]  ffff8801684af680 ffffffff81076e56 ffff880035e64000 ffff8801684af718
>[    8.376091]  ffff8801684af7cc ffff880035e63000 ffff88016616f380 ffff8801684af6e0
>[    8.376093] Call Trace:
>[    8.376097]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.376101]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.376103]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.376106]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[    8.376114]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.376122]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.376125]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.376135]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.376151]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[    8.376168]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.376179]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[    8.376187]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.376193]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[    8.376201]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[    8.376210]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.376217]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.376226]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.376231]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.376239]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.376242]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.376244]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.376247]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.376250]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.376253]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.376254]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.376257]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.376258]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.376261]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.376262] ---[ end trace 1eccc4e5610ef28c ]---
>[    8.376265] ------------[ cut here ]------------
>[    8.376275] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.376275] WARN_ON(!wm_changed)
>[    8.376276] Modules linked in:
>[    8.376277]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.376300]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.376305] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.376306] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.376307]  ffffffffa0340248 ffff8801684af648 ffffffff8138bd1d ffff8801684af690
>[    8.376309]  ffff8801684af680 ffffffff81076e56 ffff880035e65000 ffff8801684af718
>[    8.376311]  ffff8801684af7cc ffff880035e63000 ffff88016616f380 ffff8801684af6e0
>[    8.376312] Call Trace:
>[    8.376314]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.376316]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.376319]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.376327]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.376335]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.376337]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.376346]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.376360]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[    8.376370]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.376378]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[    8.376387]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.376392]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[    8.376399]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[    8.376407]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.376414]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.376422]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.376427]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.376435]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.376437]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.376439]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.376441]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.376443]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.376445]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.376447]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.376449]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.376450]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.376452]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.376453] ---[ end trace 1eccc4e5610ef28d ]---
>[    8.376472] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.376474] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    8.376476] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.376489] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507800 need = 0 avail = 2 scaler_users = 0x0
>[    8.376494] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    8.376496] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    8.376506] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[    8.384267] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[    8.384713] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    8.384744] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507000 need = 0 avail = 1 scaler_users = 0x0
>[    8.384751] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.384757] ------------[ cut here ]------------
>[    8.384774] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.384775] WARN_ON(!wm_changed)
>[    8.384777] Modules linked in:
>[    8.384778]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.384810]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.384817] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.384818] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.384820]  ffffffffa0340248 ffff8801684af648 ffffffff8138bd1d ffff8801684af690
>[    8.384822]  ffff8801684af680 ffffffff81076e56 ffff880035e63000 ffff8801684af718
>[    8.384824]  ffff8801684af7cc ffff880035e65000 ffff88016616f380 ffff8801684af6e0
>[    8.384825] Call Trace:
>[    8.384830]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.384834]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.384836]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.384838]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[    8.384847]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.384856]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.384858]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.384869]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.384885]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[    8.384900]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.384910]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[    8.384919]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.384925]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[    8.384934]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[    8.384942]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.384949]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.384958]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.384964]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.384972]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.384975]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.384977]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.384980]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.384983]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.384985]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.384987]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.384989]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.384991]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.384999]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.385000] ---[ end trace 1eccc4e5610ef28e ]---
>[    8.385002] ------------[ cut here ]------------
>[    8.385013] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.385013] WARN_ON(!wm_changed)
>[    8.385014] Modules linked in:
>[    8.385015]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.385037]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.385042] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.385044] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.385044]  ffffffffa0340248 ffff8801684af648 ffffffff8138bd1d ffff8801684af690
>[    8.385046]  ffff8801684af680 ffffffff81076e56 ffff880035e64000 ffff8801684af718
>[    8.385048]  ffff8801684af7cc ffff880035e65000 ffff88016616f380 ffff8801684af6e0
>[    8.385050] Call Trace:
>[    8.385052]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.385054]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.385056]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.385064]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.385073]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.385075]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.385083]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.385098]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[    8.385108]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.385117]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[    8.385126]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.385130]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[    8.385139]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[    8.385147]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.385154]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.385162]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.385168]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.385176]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.385178]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.385179]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.385182]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.385184]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.385186]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.385187]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.385189]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.385191]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.385193]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.385194] ---[ end trace 1eccc4e5610ef28f ]---
>[    8.385213] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.385215] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    8.385217] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.404569] [drm:internal_framebuffer_create] bad framebuffer width 8960, should be >= 0 && <= 8192
>[    8.410983] [drm:drm_mode_addfb2] [FB:35]
>[    8.411078] [drm:drm_mode_setcrtc] [CRTC:21]
>[    8.411084] [drm:drm_mode_setcrtc] [CONNECTOR:32:eDP-1]
>[    8.411101] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[    8.411104] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506c00 need = 0 avail = 2 scaler_users = 0x0
>[    8.432616] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.432619] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.442358] [drm:drm_mode_addfb2] [FB:119]
>[    8.442645] [drm:drm_mode_setcrtc] [CRTC:25]
>[    8.442650] [drm:drm_mode_setcrtc] [CONNECTOR:45:HDMI-A-1]
>[    8.442662] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[    8.442664] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168500400 need = 0 avail = 2 scaler_users = 0x0
>[    8.452047] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    8.452049] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    8.470343] [drm:drm_mode_addfb2] [FB:122]
>[    8.470574] [drm:drm_mode_setcrtc] [CRTC:29]
>[    8.470580] [drm:drm_mode_setcrtc] [CONNECTOR:48:DP-2]
>[    8.470595] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[    8.470597] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507800 need = 0 avail = 1 scaler_users = 0x0
>[    8.472962] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.485130] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507000 need = 0 avail = 2 scaler_users = 0x0
>[    8.485149] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[    8.501266] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[    8.518152] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.518173] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.518177] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.518248] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506c00 need = 0 avail = 2 scaler_users = 0x0
>[    8.518268] ------------[ cut here ]------------
>[    8.518306] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.518308] WARN_ON(!wm_changed)
>[    8.518311] Modules linked in:
>[    8.518315]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.518389]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.518411] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.518417] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.518421]  ffffffffa0340248 ffff8801684af5b0 ffffffff8138bd1d ffff8801684af5f8
>[    8.518426]  ffff8801684af5e8 ffffffff81076e56 ffff880035e63000 ffff8801684af680
>[    8.518431]  ffff8801684af734 ffff880035e64000 ffff88016616f380 ffff8801684af648
>[    8.518436] Call Trace:
>[    8.518446]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.518455]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.518460]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.518485]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.518509]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.518516]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[    8.518521]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.518545]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.518586]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[    8.518600]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[    8.518640]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[    8.518672]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.518698]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[    8.518722]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.518735]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[    8.518759]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[    8.518780]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.518787]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[    8.518807]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.518832]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.518847]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.518870]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.518876]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.518881]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.518889]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.518896]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.518902]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.518906]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.518912]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.518917]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.518923]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.518927] ---[ end trace 1eccc4e5610ef290 ]---
>[    8.518933] ------------[ cut here ]------------
>[    8.518960] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.518962] WARN_ON(!wm_changed)
>[    8.518964] Modules linked in:
>[    8.518966]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.519027]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.519042] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.519045] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.519047]  ffffffffa0340248 ffff8801684af5b0 ffffffff8138bd1d ffff8801684af5f8
>[    8.519052]  ffff8801684af5e8 ffffffff81076e56 ffff880035e65000 ffff8801684af680
>[    8.519057]  ffff8801684af734 ffff880035e64000 ffff88016616f380 ffff8801684af648
>[    8.519061] Call Trace:
>[    8.519066]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.519072]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.519078]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.519100]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.519122]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.519128]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[    8.519133]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.519157]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.519194]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[    8.519207]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[    8.519246]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[    8.519274]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.519300]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[    8.519323]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.519335]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[    8.519358]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[    8.519379]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.519386]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[    8.519407]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.519430]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.519445]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.519467]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.519472]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.519477]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.519484]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.519490]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.519495]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.519499]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.519505]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.519509]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.519514]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.519517] ---[ end trace 1eccc4e5610ef291 ]---
>[    8.519553] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.519557] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    8.519562] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.519573] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    8.519577] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    8.519609] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168500400 need = 0 avail = 1 scaler_users = 0x0
>[    8.519629] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[    8.534196] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[    8.534645] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.534673] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.535418] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507800 need = 0 avail = 2 scaler_users = 0x0
>[    8.535445] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.535450] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.535478] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507000 need = 0 avail = 2 scaler_users = 0x0
>[    8.535496] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    8.535500] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    8.535522] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506c00 need = 0 avail = 1 scaler_users = 0x0
>[    8.535538] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.543585] [drm:drm_mode_addfb2] [FB:127]
>[    8.543671] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168500400 need = 0 avail = 2 scaler_users = 0x0
>[    8.543689] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    8.543694] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    8.543712] ------------[ cut here ]------------
>[    8.543753] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.543757] WARN_ON(!wm_changed)
>[    8.543760] Modules linked in:
>[    8.543765]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.543869]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.543896] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.543901] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.543906]  ffffffffa0340248 ffff8801684af648 ffffffff8138bd1d ffff8801684af690
>[    8.543914]  ffff8801684af680 ffffffff81076e56 ffff880035e63000 ffff8801684af718
>[    8.543921]  ffff8801684af7cc ffff880035e64000 ffff88016616f380 ffff8801684af6e0
>[    8.543929] Call Trace:
>[    8.543941]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.543952]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.543961]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.543969]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[    8.544003]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.544037]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.544046]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.544081]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.544141]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[    8.544184]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.544222]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[    8.544256]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.544275]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[    8.544310]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[    8.544342]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.544372]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.544407]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.544428]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.544461]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.544470]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.544477]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.544487]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.544500]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.544508]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.544515]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.544524]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.544531]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.544539]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.544545] ---[ end trace 1eccc4e5610ef292 ]---
>[    8.544553] ------------[ cut here ]------------
>[    8.544589] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.544592] WARN_ON(!wm_changed)
>[    8.544594] Modules linked in:
>[    8.544597]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.544685]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.544706] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.544710] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.544714]  ffffffffa0340248 ffff8801684af648 ffffffff8138bd1d ffff8801684af690
>[    8.544721]  ffff8801684af680 ffffffff81076e56 ffff880035e65000 ffff8801684af718
>[    8.544728]  ffff8801684af7cc ffff880035e64000 ffff88016616f380 ffff8801684af6e0
>[    8.544735] Call Trace:
>[    8.544741]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.544750]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.544759]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.544791]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.544824]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.544833]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[    8.544866]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.544923]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[    8.544963]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.545000]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[    8.545033]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.545051]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[    8.545082]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[    8.545112]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[    8.545141]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[    8.545173]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[    8.545195]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.545225]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[    8.545233]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[    8.545239]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.545249]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.545257]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.545264]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.545271]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.545279]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.545285]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.545292]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.545296] ---[ end trace 1eccc4e5610ef293 ]---
>[    8.545332] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.545338] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    8.545343] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.545369] [drm:drm_mode_setcrtc] [CRTC:25]
>[    8.545379] [drm:drm_mode_setcrtc] [CONNECTOR:48:DP-2]
>[    8.545411] [drm:connected_sink_compute_bpp] [CONNECTOR:48:DP-2] checking for sink bpp constrains
>[    8.545416] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[    8.545424] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 270000 pixel clock 148500KHz
>[    8.545433] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[    8.545437] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[    8.545444] [drm:intel_modeset_pipe_config] plane bpp: 36, pipe bpp: 24, dithering: 0
>[    8.545450] [drm:intel_dump_pipe_config] [CRTC:25][modeset] config ffff880168507000 for pipe B
>[    8.545454] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[    8.545457] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    8.545462] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    8.545468] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[    8.545473] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    8.545477] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[    8.545480] [drm:intel_dump_pipe_config] requested mode:
>[    8.545488] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[    8.545492] [drm:intel_dump_pipe_config] adjusted mode:
>[    8.545498] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[    8.545505] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[    8.545508] [drm:intel_dump_pipe_config] port clock: 162000
>[    8.545512] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[    8.545516] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[    8.545521] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    8.545525] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    8.545529] [drm:intel_dump_pipe_config] ips: 0
>[    8.545532] [drm:intel_dump_pipe_config] double wide: 0
>[    8.545537] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ctrl1: 0x21, cfgcr1: 0x80400173, cfgcr2: 0x145
>[    8.545540] [drm:intel_dump_pipe_config] planes on this crtc
>[    8.545546] [drm:intel_dump_pipe_config] STANDARD PLANE:23 plane: 1.0 idx: 3 enabled
>[    8.545551] [drm:intel_dump_pipe_config] 	FB:119, fb = 3840x2160 format = 0x34325258
>[    8.545557] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 3840x2160 dst (0, 0) 3840x2160
>[    8.545562] [drm:intel_dump_pipe_config] CURSOR PLANE:24 plane: 1.2 idx: 4 disabled, scaler_id = -1
>[    8.545567] [drm:intel_dump_pipe_config] STANDARD PLANE:26 plane: 1.1 idx: 5 disabled, scaler_id = -1
>[    8.545575] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[    8.545581] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[    8.545590] [drm:intel_get_shared_dpll] CRTC:25 allocated DPLL 1
>[    8.545594] [drm:intel_get_shared_dpll] using DPLL 1 for pipe B
>[    8.545599] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:25] scaler_user index 1.31
>[    8.545604] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507000 need = 0 avail = 2 scaler_users = 0x0
>[    8.545609] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:29] scaler_user index 2.31
>[    8.545613] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506800 need = 0 avail = 1 scaler_users = 0x0
>[    8.546008] [drm:hsw_audio_codec_disable] Disable audio codec on pipe B
>[    8.546092] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force 128
>[    8.546172] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
>[    8.546237] [drm:intel_disable_pipe] disabling pipe B
>[    8.569681] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[    8.569692] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[    8.569727] ------------[ cut here ]------------
>[    8.569775] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.569779] WARN_ON(!wm_changed)
>[    8.569783] Modules linked in:
>[    8.569787]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.569897]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.569924] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.569929] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.569934]  ffffffffa0340248 ffff8801684af6f8 ffffffff8138bd1d ffff8801684af740
>[    8.569942]  ffff8801684af730 ffffffff81076e56 ffff880035e63000 ffff8801684af7c8
>[    8.569949]  ffff8801684af87c ffff880035e64000 ffff88016616f380 ffff8801684af790
>[    8.569957] Call Trace:
>[    8.570042]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.570069]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.570082]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.570134]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.570193]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.570205]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[    8.570229]  [<ffffffff8115920d>] ? irq_work_queue+0xd/0x80
>[    8.570242]  [<ffffffff810cb2c2>] ? wake_up_klogd+0x32/0x40
>[    8.570291]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.570374]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[    8.570454]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[    8.570523]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.570573]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[    8.570620]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.570650]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[    8.570696]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[    8.570744]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[    8.570777]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.570808]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[    8.570819]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.570830]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.570840]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.570849]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.570856]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.570865]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.570871]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.570880]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.570886] ---[ end trace 1eccc4e5610ef294 ]---
>[    8.570897] ------------[ cut here ]------------
>[    8.570939] WARNING: CPU: 2 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.570942] WARN_ON(!wm_changed)
>[    8.570945] Modules linked in:
>[    8.570948]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.571046]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.571070] CPU: 2 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.571074] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.571078]  ffffffffa0340248 ffff8801684af6f8 ffffffff8138bd1d ffff8801684af740
>[    8.571085]  ffff8801684af730 ffffffff81076e56 ffff880035e65000 ffff8801684af7c8
>[    8.571092]  ffff8801684af87c ffff880035e64000 ffff88016616f380 ffff8801684af790
>[    8.571099] Call Trace:
>[    8.571107]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.571118]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.571127]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.571159]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.571192]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.571200]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[    8.571208]  [<ffffffff8115920d>] ? irq_work_queue+0xd/0x80
>[    8.571215]  [<ffffffff810cb2c2>] ? wake_up_klogd+0x32/0x40
>[    8.571248]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.571303]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[    8.571359]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[    8.571401]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.571436]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[    8.571466]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.571487]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[    8.571521]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[    8.571555]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[    8.571580]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.571611]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[    8.571620]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.571632]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.571641]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.571648]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.571655]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.571665]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.571674]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.571680]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.571685] ---[ end trace 1eccc4e5610ef295 ]---
>[    8.571738] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.571746] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.571756] [drm:intel_disable_shared_dpll] disable DPLL 1 (active 1, on? 1) for crtc 25
>[    8.571764] [drm:intel_disable_shared_dpll] disabling DPLL 1
>[    8.571805] [drm:intel_disable_pipe] disabling pipe C
>[    8.586571] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.587097] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[    8.587110] [drm:intel_disable_shared_dpll] disable DPLL 2 (active 1, on? 1) for crtc 29
>[    8.587117] [drm:intel_disable_shared_dpll] disabling DPLL 2
>[    8.587139] [drm:intel_power_well_disable] disabling DDI B power well
>[    8.587146] [drm:skl_set_power_well] Disabling DDI B power well
>[    8.587154] [drm:intel_enable_shared_dpll] enable DPLL 1 (active 0, on? 0) for crtc 25
>[    8.587158] [drm:intel_enable_shared_dpll] enabling DPLL 1
>[    8.591326] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[    8.591337] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[    8.591342] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[    8.593911] [drm:intel_dp_start_link_train] clock recovery OK
>[    8.598907] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[    8.599361] [drm:skylake_pfit_enable] for crtc_state = ffff880168507000
>[    8.599530] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[    8.600892] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[    8.600905] [drm:intel_enable_pipe] enabling pipe B
>[    8.634392] [drm:intel_connector_check_state] [CONNECTOR:45:HDMI-A-1]
>[    8.634402] [drm:intel_connector_check_state] [CONNECTOR:48:DP-2]
>[    8.634412] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
>[    8.634417] [drm:check_encoder_state] [ENCODER:40:TMDS-40]
>[    8.634421] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
>[    8.634424] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
>[    8.634427] [drm:check_encoder_state] [ENCODER:44:DP MST-44]
>[    8.634430] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
>[    8.634433] [drm:check_encoder_state] [ENCODER:49:DP MST-49]
>[    8.634436] [drm:check_encoder_state] [ENCODER:50:DP MST-50]
>[    8.634439] [drm:check_encoder_state] [ENCODER:51:DP MST-51]
>[    8.634446] [drm:check_crtc_state] [CRTC:25]
>[    8.634473] [drm:check_crtc_state] [CRTC:29]
>[    8.634478] [drm:check_shared_dpll_state] DPLL 1
>[    8.634484] [drm:check_shared_dpll_state] DPLL 2
>[    8.634487] [drm:check_shared_dpll_state] DPLL 3
>[    8.634570] [drm:drm_mode_setcrtc] [CRTC:29]
>[    8.634596] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[    8.634602] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506c00 need = 0 avail = 1 scaler_users = 0x0
>[    8.634612] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.634636] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506800 need = 0 avail = 1 scaler_users = 0x0
>[    8.634643] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.634671] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506c00 need = 0 avail = 2 scaler_users = 0x0
>[    8.634691] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.634696] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.635729] [drm:drm_mode_setcrtc] [CRTC:29]
>[    8.635737] [drm:drm_mode_setcrtc] [CONNECTOR:45:HDMI-A-1]
>[    8.635761] [drm:connected_sink_compute_bpp] [CONNECTOR:45:HDMI-A-1] checking for sink bpp constrains
>[    8.635766] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[    8.635777] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI output
>[    8.635780] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for HDMI
>[    8.635784] [drm:intel_modeset_pipe_config] plane bpp: 36, pipe bpp: 24, dithering: 0
>[    8.635790] [drm:intel_dump_pipe_config] [CRTC:29][modeset] config ffff880168507800 for pipe C
>[    8.635794] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[    8.635797] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[    8.635801] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    8.635805] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[    8.635809] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[    8.635813] [drm:intel_dump_pipe_config] audio: 1, infoframes: 1
>[    8.635815] [drm:intel_dump_pipe_config] requested mode:
>[    8.635822] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x0 0x9
>[    8.635825] [drm:intel_dump_pipe_config] adjusted mode:
>[    8.635831] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x0 0x9
>[    8.635837] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x0 flags: 0x9
>[    8.635840] [drm:intel_dump_pipe_config] port clock: 297000
>[    8.635843] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[    8.635846] [drm:intel_dump_pipe_config] num_scalers: 1, scaler_users: 0x0, scaler_id: -1
>[    8.635850] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[    8.635854] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[    8.635857] [drm:intel_dump_pipe_config] ips: 0
>[    8.635860] [drm:intel_dump_pipe_config] double wide: 0
>[    8.635863] [drm:intel_dump_pipe_config] ddi_pll_sel: 2; dpll_hw_state: ctrl1: 0x5, cfgcr1: 0x0, cfgcr2: 0x0
>[    8.635866] [drm:intel_dump_pipe_config] planes on this crtc
>[    8.635871] [drm:intel_dump_pipe_config] STANDARD PLANE:27 plane: 2.0 idx: 6 disabled, scaler_id = -1
>[    8.635876] [drm:intel_dump_pipe_config] CURSOR PLANE:28 plane: 2.3 idx: 7 disabled, scaler_id = -1
>[    8.635880] [drm:intel_dump_pipe_config] STANDARD PLANE:30 plane: 2.1 idx: 8 disabled, scaler_id = -1
>[    8.635886] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[    8.635898] [drm:intel_get_shared_dpll] CRTC:29 allocated DPLL 2
>[    8.635902] [drm:intel_get_shared_dpll] using DPLL 2 for pipe C
>[    8.635906] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:29] scaler_user index 2.31
>[    8.635910] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507800 need = 0 avail = 1 scaler_users = 0x0
>[    8.652991] [drm:intel_power_well_enable] enabling DDI B power well
>[    8.653000] [drm:skl_set_power_well] Enabling DDI B power well
>[    8.653008] [drm:intel_enable_shared_dpll] enable DPLL 2 (active 0, on? 0) for crtc 29
>[    8.653012] [drm:intel_enable_shared_dpll] enabling DPLL 2
>[    8.655160] [drm:skylake_pfit_enable] for crtc_state = ffff880168507800
>[    8.655279] ------------[ cut here ]------------
>[    8.655325] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.655329] WARN_ON(!wm_changed)
>[    8.655332] Modules linked in:
>[    8.655336]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.655429]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.655452] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.655456] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.655460]  ffffffffa0340248 ffff8801684af6c8 ffffffff8138bd1d ffff8801684af710
>[    8.655467]  ffff8801684af700 ffffffff81076e56 ffff880035e63000 ffff8801684af798
>[    8.655473]  ffff8801684af84c ffff880035e65000 ffff88016616f380 ffff8801684af760
>[    8.655479] Call Trace:
>[    8.655491]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.655502]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.655510]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.655540]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.655570]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.655579]  [<ffffffff810c996c>] ? print_time.part.12+0x6c/0x90
>[    8.655584]  [<ffffffff810c99f6>] ? print_prefix+0x66/0xa0
>[    8.655590]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[    8.655621]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.655676]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[    8.655726]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[    8.655766]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.655799]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.655818]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[    8.655850]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[    8.655882]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[    8.655901]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.655909]  [<ffffffff812215fa>] ? fsnotify+0x28a/0x480
>[    8.655938]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[    8.655946]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.655956]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.655965]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.655977]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.655983]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.655990]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.655996]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.656003]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.656008] ---[ end trace 1eccc4e5610ef296 ]---
>[    8.656015] ------------[ cut here ]------------
>[    8.656046] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[    8.656048] WARN_ON(!wm_changed)
>[    8.656050] Modules linked in:
>[    8.656053]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[    8.656129]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[    8.656147] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[    8.656151] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[    8.656153]  ffffffffa0340248 ffff8801684af6c8 ffffffff8138bd1d ffff8801684af710
>[    8.656160]  ffff8801684af700 ffffffff81076e56 ffff880035e64000 ffff8801684af798
>[    8.656166]  ffff8801684af84c ffff880035e65000 ffff88016616f380 ffff8801684af760
>[    8.656172] Call Trace:
>[    8.656178]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[    8.656186]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[    8.656193]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[    8.656222]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[    8.656250]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[    8.656257]  [<ffffffff810c996c>] ? print_time.part.12+0x6c/0x90
>[    8.656263]  [<ffffffff810c99f6>] ? print_prefix+0x66/0xa0
>[    8.656269]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[    8.656298]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[    8.656348]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[    8.656397]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[    8.656432]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[    8.656462]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[    8.656478]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[    8.656508]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[    8.656539]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[    8.656559]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[    8.656565]  [<ffffffff812215fa>] ? fsnotify+0x28a/0x480
>[    8.656592]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[    8.656599]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[    8.656608]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[    8.656615]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[    8.656621]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[    8.656626]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[    8.656634]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[    8.656639]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[    8.656645]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[    8.656649] ---[ end trace 1eccc4e5610ef297 ]---
>[    8.656694] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[    8.667656] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[    8.684506] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[    8.684521] [drm:intel_enable_pipe] enabling pipe C
>[    8.684544] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:45:HDMI-A-1], [ENCODER:40:TMDS-40]
>[    8.684554] [drm:hsw_audio_codec_enable] Enable audio codec on pipe C, 36 bytes ELD
>[    8.684566] [drm:audio_config_hdmi_pixel_clock] HDMI audio pixel clock setting for 297000 not found, falling back to defaults
>[    8.684572] [drm:audio_config_hdmi_pixel_clock] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[    8.751448] [drm:intel_connector_check_state] [CONNECTOR:45:HDMI-A-1]
>[    8.751462] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
>[    8.751467] [drm:check_encoder_state] [ENCODER:40:TMDS-40]
>[    8.751470] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
>[    8.751474] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
>[    8.751477] [drm:check_encoder_state] [ENCODER:44:DP MST-44]
>[    8.751479] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
>[    8.751482] [drm:check_encoder_state] [ENCODER:49:DP MST-49]
>[    8.751485] [drm:check_encoder_state] [ENCODER:50:DP MST-50]
>[    8.751488] [drm:check_encoder_state] [ENCODER:51:DP MST-51]
>[    8.751491] [drm:check_crtc_state] [CRTC:29]
>[    8.751515] [drm:check_shared_dpll_state] DPLL 1
>[    8.751520] [drm:check_shared_dpll_state] DPLL 2
>[    8.751524] [drm:check_shared_dpll_state] DPLL 3
>[    8.751600] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168506800 need = 0 avail = 1 scaler_users = 0x0
>[    8.751617] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[    8.751673] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168507800 need = 0 avail = 2 scaler_users = 0x0
>[    8.751693] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.751696] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.777971] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[    8.778022] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[    8.813619] [drm:intel_atomic_setup_scalers] crtc_state = ffff880168500400 need = 0 avail = 2 scaler_users = 0x0
>[    8.813635] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[    8.813637] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[    8.813665] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[    8.817583] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[    8.817849] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   38.007851] [drm:intel_atomic_setup_scalers] crtc_state = ffff880154d33800 need = 0 avail = 2 scaler_users = 0x0
>[   38.007878] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   38.007881] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   38.007883] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   38.007893] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   38.007895] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   38.179743] [drm:i915_gem_open] 
>[   38.202468] [drm:i915_gem_context_create_ioctl] HW context 1 created
>[   38.208250] [drm:internal_framebuffer_create] bad framebuffer width 8960, should be >= 0 && <= 8192
>[   38.210431] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
>[   38.594285] [drm:drm_mode_getconnector] [CONNECTOR:32:?]
>[   38.594291] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:32:eDP-1]
>[   38.594294] [drm:intel_dp_detect] [CONNECTOR:32:eDP-1]
>[   38.594307] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[   38.594355] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[   38.594690] [drm:intel_dp_probe_oui] Sink OUI: 0022b9
>[   38.595024] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[   38.595687] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   38.595693] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:32:eDP-1] probed modes :
>[   38.595697] [drm:drm_mode_debug_printmodeline] Modeline 33:"3200x1800" 60 361310 3200 3248 3280 3316 1800 1802 1807 1816 0x48 0xa
>[   38.595700] [drm:drm_mode_debug_printmodeline] Modeline 34:"3200x1800" 48 361310 3200 3248 3280 3680 1800 1802 1807 2045 0x40 0xa
>[   38.595715] [drm:drm_mode_getconnector] [CONNECTOR:32:?]
>[   38.595906] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[   38.595912] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:41:DP-1]
>[   38.595913] [drm:intel_dp_detect] [CONNECTOR:41:DP-1]
>[   38.607084] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   38.615526] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   38.631501] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   38.647525] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   38.655076] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:41:DP-1] disconnected
>[   38.655116] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[   38.655119] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:48:DP-2]
>[   38.655122] [drm:intel_dp_detect] [CONNECTOR:48:DP-2]
>[   38.656086] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 01 00 01 80 02 00 00 00 00 00 00
>[   38.656091] [drm:intel_dp_print_rates] source rates: 162000, 216000, 270000, 324000, 432000, 540000
>[   38.656094] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[   38.656096] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[   38.656938] [drm:intel_dp_probe_oui] Sink OUI: 00e04c
>[   38.657782] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[   38.666181] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[   38.666206] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:48:DP-2] probed modes :
>[   38.666210] [drm:drm_mode_debug_printmodeline] Modeline 86:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[   38.666212] [drm:drm_mode_debug_printmodeline] Modeline 89:"1600x900" 60 108000 1600 1624 1704 1800 900 901 904 1000 0x40 0x5
>[   38.666215] [drm:drm_mode_debug_printmodeline] Modeline 106:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   38.666217] [drm:drm_mode_debug_printmodeline] Modeline 88:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   38.666220] [drm:drm_mode_debug_printmodeline] Modeline 87:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[   38.666222] [drm:drm_mode_debug_printmodeline] Modeline 108:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[   38.666224] [drm:drm_mode_debug_printmodeline] Modeline 109:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   38.666227] [drm:drm_mode_debug_printmodeline] Modeline 112:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[   38.666229] [drm:drm_mode_debug_printmodeline] Modeline 93:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[   38.666231] [drm:drm_mode_debug_printmodeline] Modeline 95:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[   38.666234] [drm:drm_mode_debug_printmodeline] Modeline 97:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[   38.666236] [drm:drm_mode_debug_printmodeline] Modeline 105:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[   38.666261] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[   38.666301] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[   38.666303] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:HDMI-A-1]
>[   38.666320] [drm:intel_hdmi_detect] [CONNECTOR:45:HDMI-A-1]
>[   38.691546] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[   38.691624] [drm:drm_edid_to_eld] ELD monitor ASUS PB287Q
>[   38.691627] [drm:parse_hdmi_vsdb] HDMI: DVI dual 0, max TMDS clock 300, latency present 0 0, video latency 0 1, audio latency 96 2
>[   38.691628] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[   38.691680] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:45:HDMI-A-1] probed modes :
>[   38.691682] [drm:drm_mode_debug_printmodeline] Modeline 57:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[   38.691684] [drm:drm_mode_debug_printmodeline] Modeline 100:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   38.691685] [drm:drm_mode_debug_printmodeline] Modeline 116:"3840x2160" 30 296704 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[   38.691686] [drm:drm_mode_debug_printmodeline] Modeline 101:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[   38.691688] [drm:drm_mode_debug_printmodeline] Modeline 102:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[   38.691689] [drm:drm_mode_debug_printmodeline] Modeline 117:"3840x2160" 24 296704 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[   38.691690] [drm:drm_mode_debug_printmodeline] Modeline 60:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x40 0x9
>[   38.691692] [drm:drm_mode_debug_printmodeline] Modeline 59:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x5
>[   38.691693] [drm:drm_mode_debug_printmodeline] Modeline 58:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   38.691694] [drm:drm_mode_debug_printmodeline] Modeline 103:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   38.691696] [drm:drm_mode_debug_printmodeline] Modeline 91:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[   38.691697] [drm:drm_mode_debug_printmodeline] Modeline 110:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[   38.691699] [drm:drm_mode_debug_printmodeline] Modeline 96:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[   38.691700] [drm:drm_mode_debug_printmodeline] Modeline 90:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[   38.691701] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 30 74250 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   38.691703] [drm:drm_mode_debug_printmodeline] Modeline 115:"1920x1080" 30 74176 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[   38.691704] [drm:drm_mode_debug_printmodeline] Modeline 98:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[   38.691705] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[   38.691707] [drm:drm_mode_debug_printmodeline] Modeline 66:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[   38.691708] [drm:drm_mode_debug_printmodeline] Modeline 76:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   38.691710] [drm:drm_mode_debug_printmodeline] Modeline 64:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[   38.691711] [drm:drm_mode_debug_printmodeline] Modeline 65:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[   38.691712] [drm:drm_mode_debug_printmodeline] Modeline 63:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[   38.691714] [drm:drm_mode_debug_printmodeline] Modeline 67:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[   38.691715] [drm:drm_mode_debug_printmodeline] Modeline 68:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   38.691716] [drm:drm_mode_debug_printmodeline] Modeline 104:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[   38.691718] [drm:drm_mode_debug_printmodeline] Modeline 61:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[   38.691719] [drm:drm_mode_debug_printmodeline] Modeline 94:"1440x576" 50 54000 1440 1464 1592 1728 576 581 586 625 0x40 0xa
>[   38.691720] [drm:drm_mode_debug_printmodeline] Modeline 77:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[   38.691722] [drm:drm_mode_debug_printmodeline] Modeline 78:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[   38.691723] [drm:drm_mode_debug_printmodeline] Modeline 79:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[   38.691724] [drm:drm_mode_debug_printmodeline] Modeline 111:"1440x480" 60 54054 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[   38.691726] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x480" 60 54000 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[   38.691727] [drm:drm_mode_debug_printmodeline] Modeline 80:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[   38.691728] [drm:drm_mode_debug_printmodeline] Modeline 81:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[   38.691730] [drm:drm_mode_debug_printmodeline] Modeline 82:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[   38.691731] [drm:drm_mode_debug_printmodeline] Modeline 69:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[   38.691732] [drm:drm_mode_debug_printmodeline] Modeline 70:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[   38.691734] [drm:drm_mode_debug_printmodeline] Modeline 62:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[   38.691735] [drm:drm_mode_debug_printmodeline] Modeline 107:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[   38.691736] [drm:drm_mode_debug_printmodeline] Modeline 84:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[   38.691738] [drm:drm_mode_debug_printmodeline] Modeline 71:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[   38.691739] [drm:drm_mode_debug_printmodeline] Modeline 72:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[   38.691740] [drm:drm_mode_debug_printmodeline] Modeline 73:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[   38.691742] [drm:drm_mode_debug_printmodeline] Modeline 74:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[   38.691743] [drm:drm_mode_debug_printmodeline] Modeline 83:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[   38.691744] [drm:drm_mode_debug_printmodeline] Modeline 75:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[   38.691773] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[   38.691881] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[   38.691883] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2]
>[   38.691885] [drm:intel_hdmi_detect] [CONNECTOR:52:HDMI-A-2]
>[   38.692132] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[   38.692133] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[   38.692362] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[   38.692364] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[   38.692367] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2] disconnected
>[   38.722958] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a043400 need = 0 avail = 2 scaler_users = 0x0
>[   38.722974] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   38.722976] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   38.724467] [drm:i915_gem_open] 
>[   38.739775] [drm:i915_gem_context_create_ioctl] HW context 1 created
>[   38.741142] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
>[   38.841490] [drm:i915_gem_open] 
>[   38.878524] [drm:i915_gem_context_create_ioctl] HW context 1 created
>[   38.979927] [drm:i915_gem_open] 
>[   39.080698] [drm:i915_gem_context_create_ioctl] HW context 1 created
>[   39.089364] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
>[   40.347517] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800859fa800 need = 0 avail = 2 scaler_users = 0x0
>[   40.347532] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   40.347534] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   40.784465] [drm:internal_framebuffer_create] bad framebuffer width 8960, should be >= 0 && <= 8192
>[   41.594057] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[   41.594098] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
>[   41.672200] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008565a800 need = 0 avail = 2 scaler_users = 0x0
>[   41.672219] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   41.672222] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   41.732547] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085659000 need = 0 avail = 2 scaler_users = 0x0
>[   41.732563] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   41.732565] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   41.761983] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008565a800 need = 0 avail = 2 scaler_users = 0x0
>[   41.761999] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   41.762002] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   41.798856] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a041000 need = 0 avail = 2 scaler_users = 0x0
>[   41.798873] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   41.798875] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   41.832905] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a046400 need = 0 avail = 2 scaler_users = 0x0
>[   41.832923] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   41.832925] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   41.848211] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a041000 need = 0 avail = 2 scaler_users = 0x0
>[   41.848228] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   41.848232] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.323428] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
>[   44.360376] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598ec00 need = 0 avail = 2 scaler_users = 0x0
>[   44.360390] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.360392] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.360406] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.360408] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   44.360410] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.438133] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.438146] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598d400 need = 0 avail = 2 scaler_users = 0x0
>[   44.438179] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.438185] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.454735] ------------[ cut here ]------------
>[   44.454791] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.454795] WARN_ON(!wm_changed)
>[   44.454799] Modules linked in:
>[   44.454804]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   44.454916]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.454944] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.454949] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.454959]  ffffffffa0340248 ffff8801684af710 ffffffff8138bd1d ffff8801684af758
>[   44.454967]  ffff8801684af748 ffffffff81076e56 ffff880035e64000 ffff8801684af7e0
>[   44.454974]  ffff8801684af894 ffff880035e63000 ffff88016616f380 ffff8801684af7a8
>[   44.454981] Call Trace:
>[   44.454995]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.455008]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.455017]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.455025]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[   44.455060]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.455095]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.455127]  [<ffffffffa00d1340>] ? drm_calc_vbltimestamp_from_scanoutpos+0x170/0x330 [drm]
>[   44.455135]  [<ffffffff810a5ff5>] ? arch_vtime_task_switch+0x75/0xa0
>[   44.455172]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.455233]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   44.455280]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.455319]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   44.455355]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.455375]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   44.455411]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   44.455450]  [<ffffffffa00e9ac0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
>[   44.455486]  [<ffffffffa00dea22>] drm_mode_setplane+0x122/0x1c0 [drm]
>[   44.455510]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   44.455520]  [<ffffffff811c4c39>] ? kmem_cache_free+0x109/0x160
>[   44.455555]  [<ffffffffa00de900>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
>[   44.455565]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.455572]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.455583]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.455593]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.455602]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.455609]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.455618]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.455624]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.455633]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.455639] ---[ end trace 1eccc4e5610ef298 ]---
>[   44.455647] ------------[ cut here ]------------
>[   44.455684] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.455686] WARN_ON(!wm_changed)
>[   44.455689] Modules linked in:
>[   44.455692]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   44.455784]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.455806] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.455810] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.455814]  ffffffffa0340248 ffff8801684af710 ffffffff8138bd1d ffff8801684af758
>[   44.455821]  ffff8801684af748 ffffffff81076e56 ffff880035e65000 ffff8801684af7e0
>[   44.455828]  ffff8801684af894 ffff880035e63000 ffff88016616f380 ffff8801684af7a8
>[   44.455835] Call Trace:
>[   44.455842]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.455851]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.455860]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.455892]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.455926]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.455951]  [<ffffffffa00d1340>] ? drm_calc_vbltimestamp_from_scanoutpos+0x170/0x330 [drm]
>[   44.455958]  [<ffffffff810a5ff5>] ? arch_vtime_task_switch+0x75/0xa0
>[   44.455994]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.456052]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   44.456093]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.456130]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   44.456163]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.456183]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   44.456217]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   44.456253]  [<ffffffffa00e9ac0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
>[   44.456290]  [<ffffffffa00dea22>] drm_mode_setplane+0x122/0x1c0 [drm]
>[   44.456313]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   44.456321]  [<ffffffff811c4c39>] ? kmem_cache_free+0x109/0x160
>[   44.456354]  [<ffffffffa00de900>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
>[   44.456362]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.456369]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.456378]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.456388]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.456395]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.456401]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.456410]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.456417]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.456424]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.456429] ---[ end trace 1eccc4e5610ef299 ]---
>[   44.456481] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.456488] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   44.456495] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.471472] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.471486] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598ec00 need = 0 avail = 2 scaler_users = 0x0
>[   44.471516] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.471521] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.488174] ------------[ cut here ]------------
>[   44.488229] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.488234] WARN_ON(!wm_changed)
>[   44.488238] Modules linked in:
>[   44.488243]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   44.488356]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.488384] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.488389] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.488393]  ffffffffa0340248 ffff8801684af710 ffffffff8138bd1d ffff8801684af758
>[   44.488402]  ffff8801684af748 ffffffff81076e56 ffff880035e63000 ffff8801684af7e0
>[   44.488409]  ffff8801684af894 ffff880035e64000 ffff88016616f380 ffff8801684af7a8
>[   44.488416] Call Trace:
>[   44.488430]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.488443]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.488452]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.488462]  [<ffffffff813966fb>] ? number.isra.13+0x2bb/0x2e0
>[   44.488497]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.488532]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.488565]  [<ffffffffa00d1340>] ? drm_calc_vbltimestamp_from_scanoutpos+0x170/0x330 [drm]
>[   44.488574]  [<ffffffff810a5ff5>] ? arch_vtime_task_switch+0x75/0xa0
>[   44.488610]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.488671]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   44.488715]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.488754]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   44.488789]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.488809]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   44.488845]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   44.488882]  [<ffffffffa00e9ac0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
>[   44.488920]  [<ffffffffa00dea22>] drm_mode_setplane+0x122/0x1c0 [drm]
>[   44.488944]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   44.489030]  [<ffffffff811c4c39>] ? kmem_cache_free+0x109/0x160
>[   44.489090]  [<ffffffffa00de900>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
>[   44.489115]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.489133]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.489152]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.489173]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.489194]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.489221]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.489241]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.489258]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.489279]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.489301] ---[ end trace 1eccc4e5610ef29a ]---
>[   44.489314] ------------[ cut here ]------------
>[   44.489363] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.489368] WARN_ON(!wm_changed)
>[   44.489375] Modules linked in:
>[   44.489380]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   44.489534]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.489573] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.489579] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.489583]  ffffffffa0340248 ffff8801684af710 ffffffff8138bd1d ffff8801684af758
>[   44.489594]  ffff8801684af748 ffffffff81076e56 ffff880035e65000 ffff8801684af7e0
>[   44.489604]  ffff8801684af894 ffff880035e64000 ffff88016616f380 ffff8801684af7a8
>[   44.489614] Call Trace:
>[   44.489625]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.489639]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.489650]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.489694]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.489739]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.489774]  [<ffffffffa00d1340>] ? drm_calc_vbltimestamp_from_scanoutpos+0x170/0x330 [drm]
>[   44.489785]  [<ffffffff810a5ff5>] ? arch_vtime_task_switch+0x75/0xa0
>[   44.489834]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.489916]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   44.489970]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.490021]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   44.490067]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.490092]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   44.490131]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   44.490171]  [<ffffffffa00e9ac0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
>[   44.490219]  [<ffffffffa00dea22>] drm_mode_setplane+0x122/0x1c0 [drm]
>[   44.490250]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   44.490262]  [<ffffffff811c4c39>] ? kmem_cache_free+0x109/0x160
>[   44.490304]  [<ffffffffa00de900>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
>[   44.490316]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.490325]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.490337]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.490352]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.490363]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.490373]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.490386]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.490395]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.490405]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.490415] ---[ end trace 1eccc4e5610ef29b ]---
>[   44.490472] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.490481] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   44.490490] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.504869] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.504882] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 1 scaler_users = 0x0
>[   44.504911] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.538358] ------------[ cut here ]------------
>[   44.538413] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.538417] WARN_ON(!wm_changed)
>[   44.538422] Modules linked in:
>[   44.538427]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   44.538535]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.538562] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.538568] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.538572]  ffffffffa0340248 ffff8801684af710 ffffffff8138bd1d ffff8801684af758
>[   44.538581]  ffff8801684af748 ffffffff81076e56 ffff880035e63000 ffff8801684af7e0
>[   44.538588]  ffff8801684af894 ffff880035e65000 ffff88016616f380 ffff8801684af7a8
>[   44.538595] Call Trace:
>[   44.538608]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.538621]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.538631]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.538641]  [<ffffffff813966fb>] ? number.isra.13+0x2bb/0x2e0
>[   44.538676]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.538711]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.538740]  [<ffffffffa00d1340>] ? drm_calc_vbltimestamp_from_scanoutpos+0x170/0x330 [drm]
>[   44.538750]  [<ffffffff810a5ff5>] ? arch_vtime_task_switch+0x75/0xa0
>[   44.538786]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.538848]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   44.538892]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.538933]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   44.538970]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.538990]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   44.539025]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   44.539064]  [<ffffffffa00e9ac0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
>[   44.539101]  [<ffffffffa00dea22>] drm_mode_setplane+0x122/0x1c0 [drm]
>[   44.539124]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   44.539134]  [<ffffffff811c4c39>] ? kmem_cache_free+0x109/0x160
>[   44.539168]  [<ffffffffa00de900>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
>[   44.539178]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.539185]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.539196]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.539206]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.539215]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.539222]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.539230]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.539237]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.539246]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.539252] ---[ end trace 1eccc4e5610ef29c ]---
>[   44.539260] ------------[ cut here ]------------
>[   44.539295] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.539298] WARN_ON(!wm_changed)
>[   44.539301] Modules linked in:
>[   44.539304]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   44.539393]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.539415] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.539419] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.539423]  ffffffffa0340248 ffff8801684af710 ffffffff8138bd1d ffff8801684af758
>[   44.539430]  ffff8801684af748 ffffffff81076e56 ffff880035e64000 ffff8801684af7e0
>[   44.539436]  ffff8801684af894 ffff880035e65000 ffff88016616f380 ffff8801684af7a8
>[   44.539443] Call Trace:
>[   44.539451]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.539460]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.539469]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.539501]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.539536]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.539560]  [<ffffffffa00d1340>] ? drm_calc_vbltimestamp_from_scanoutpos+0x170/0x330 [drm]
>[   44.539567]  [<ffffffff810a5ff5>] ? arch_vtime_task_switch+0x75/0xa0
>[   44.539602]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.539661]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   44.539701]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.539738]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   44.539772]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.539791]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   44.539825]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   44.539863]  [<ffffffffa00e9ac0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
>[   44.539899]  [<ffffffffa00dea22>] drm_mode_setplane+0x122/0x1c0 [drm]
>[   44.539922]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   44.539930]  [<ffffffff811c4c39>] ? kmem_cache_free+0x109/0x160
>[   44.539964]  [<ffffffffa00de900>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
>[   44.539972]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.539978]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.539988]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.539997]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.540004]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.540011]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.540019]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.540026]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.540032]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.540037] ---[ end trace 1eccc4e5610ef29d ]---
>[   44.540089] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.540096] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   44.540104] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.676993] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.676995] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598b000 need = 0 avail = 2 scaler_users = 0x0
>[   44.677002] ------------[ cut here ]------------
>[   44.677015] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.677016] WARN_ON(!wm_changed)
>[   44.677038] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.677042]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.677044] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.677045] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.677047]  ffffffffa0340248 ffff8801684af450 ffffffff8138bd1d ffff8801684af498
>[   44.677048]  ffff8801684af488 ffffffff81076e56 ffff880035e64000 ffff8801684af520
>[   44.677049]  ffff8801684af5d4 ffff880035e63000 ffff88016616f380 ffff8801684af4e8
>[   44.677049] Call Trace:
>[   44.677053]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.677056]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.677058]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.677065]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.677072]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.677074]  [<ffffffff810bd57d>] ? down_trylock+0x2d/0x40
>[   44.677076]  [<ffffffff810ca029>] ? console_trylock+0x19/0x60
>[   44.677077]  [<ffffffff810cb9b5>] ? vprintk_emit+0x225/0x500
>[   44.677085]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.677096]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[   44.677101]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[   44.677113]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[   44.677125]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.677132]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   44.677139]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.677142]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.677149]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.677152]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.677156]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.677159]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.677171]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.677173]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.677176]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.677178]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.677180]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.677182]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.677184]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.677186]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.677188]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.677189]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.677192]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.677194]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.677196]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.677197]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.677198]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.677199]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.677201]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.677202] ---[ end trace 1eccc4e5610ef29e ]---
>[   44.677204] ------------[ cut here ]------------
>[   44.677211] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.677212] WARN_ON(!wm_changed)
>[   44.677224] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.677227]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.677228] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.677229] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.677230]  ffffffffa0340248 ffff8801684af450 ffffffff8138bd1d ffff8801684af498
>[   44.677231]  ffff8801684af488 ffffffff81076e56 ffff880035e65000 ffff8801684af520
>[   44.677231]  ffff8801684af5d4 ffff880035e63000 ffff88016616f380 ffff8801684af4e8
>[   44.677232] Call Trace:
>[   44.677233]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.677234]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.677236]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.677242]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.677249]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.677250]  [<ffffffff810bd57d>] ? down_trylock+0x2d/0x40
>[   44.677252]  [<ffffffff810ca029>] ? console_trylock+0x19/0x60
>[   44.677253]  [<ffffffff810cb9b5>] ? vprintk_emit+0x225/0x500
>[   44.677260]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.677270]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[   44.677274]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[   44.677285]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[   44.677293]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.677300]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   44.677307]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.677310]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.677317]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.677321]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.677324]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.677327]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.677338]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.677340]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.677342]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.677343]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.677345]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.677346]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.677348]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.677349]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.677350]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.677351]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.677353]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.677354]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.677356]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.677357]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.677358]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.677359]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.677360]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.677361] ---[ end trace 1eccc4e5610ef29f ]---
>[   44.677379] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.677380] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   44.677382] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.677391] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.677392] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.704614] [drm:connected_sink_compute_bpp] [CONNECTOR:45:HDMI-A-1] checking for sink bpp constrains
>[   44.704615] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[   44.704619] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI output
>[   44.704619] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for HDMI
>[   44.704620] [drm:intel_modeset_pipe_config] plane bpp: 36, pipe bpp: 24, dithering: 0
>[   44.704622] [drm:intel_dump_pipe_config] [CRTC:25][modeset] config ffff88008598d400 for pipe B
>[   44.704622] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[   44.704623] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[   44.704623] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   44.704624] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   44.704625] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[   44.704625] [drm:intel_dump_pipe_config] audio: 1, infoframes: 1
>[   44.704625] [drm:intel_dump_pipe_config] requested mode:
>[   44.704627] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[   44.704627] [drm:intel_dump_pipe_config] adjusted mode:
>[   44.704628] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[   44.704629] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x48 flags: 0x9
>[   44.704630] [drm:intel_dump_pipe_config] port clock: 297000
>[   44.704630] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[   44.704631] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[   44.704632] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[   44.704632] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   44.704632] [drm:intel_dump_pipe_config] ips: 0
>[   44.704633] [drm:intel_dump_pipe_config] double wide: 0
>[   44.704633] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ctrl1: 0x5, cfgcr1: 0x0, cfgcr2: 0x0
>[   44.704634] [drm:intel_dump_pipe_config] planes on this crtc
>[   44.704635] [drm:intel_dump_pipe_config] STANDARD PLANE:23 plane: 1.0 idx: 3 disabled, scaler_id = -1
>[   44.704636] [drm:intel_dump_pipe_config] CURSOR PLANE:24 plane: 1.2 idx: 4 disabled, scaler_id = -1
>[   44.704636] [drm:intel_dump_pipe_config] STANDARD PLANE:26 plane: 1.1 idx: 5 disabled, scaler_id = -1
>[   44.704639] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.704643] [drm:intel_get_shared_dpll] CRTC:25 allocated DPLL 1
>[   44.704643] [drm:intel_get_shared_dpll] using DPLL 1 for pipe B
>[   44.704644] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:25] scaler_user index 1.31
>[   44.704645] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598d400 need = 0 avail = 2 scaler_users = 0x0
>[   44.704645] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:29] scaler_user index 2.31
>[   44.704646] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598fc00 need = 0 avail = 1 scaler_users = 0x0
>[   44.704656] [drm:intel_disable_pipe] disabling pipe B
>[   44.722074] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.722075] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.722507] ------------[ cut here ]------------
>[   44.722521] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.722522] WARN_ON(!wm_changed)
>[   44.722548] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.722553]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.722556] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.722556] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.722559]  ffffffffa0340248 ffff8801684af490 ffffffff8138bd1d ffff8801684af4d8
>[   44.722560]  ffff8801684af4c8 ffffffff81076e56 ffff880035e63000 ffff8801684af560
>[   44.722561]  ffff8801684af614 ffff880035e64000 ffff88016616f380 ffff8801684af528
>[   44.722562] Call Trace:
>[   44.722566]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.722575]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.722577]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.722587]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.722596]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.722613]  [<ffffffffa0309c1d>] ? pps_unlock+0x3d/0x50 [i915]
>[   44.722628]  [<ffffffffa030d298>] ? intel_dp_aux_ch+0x148/0x640 [i915]
>[   44.722637]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.722651]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[   44.722665]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[   44.722680]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.722689]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   44.722698]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.722703]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.722712]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.722717]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.722721]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.722725]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.722740]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.722743]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.722746]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.722748]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.722751]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.722754]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.722756]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.722759]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.722761]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.722763]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.722766]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.722768]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.722770]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.722772]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.722774]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.722775]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.722777]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.722779] ---[ end trace 1eccc4e5610ef2a0 ]---
>[   44.722781] ------------[ cut here ]------------
>[   44.722793] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.722793] WARN_ON(!wm_changed)
>[   44.722809] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.722813]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.722815] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.722815] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.722817]  ffffffffa0340248 ffff8801684af490 ffffffff8138bd1d ffff8801684af4d8
>[   44.722818]  ffff8801684af4c8 ffffffff81076e56 ffff880035e65000 ffff8801684af560
>[   44.722819]  ffff8801684af614 ffff880035e64000 ffff88016616f380 ffff8801684af528
>[   44.722819] Call Trace:
>[   44.722821]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.722823]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.722825]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.722833]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.722842]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.722857]  [<ffffffffa0309c1d>] ? pps_unlock+0x3d/0x50 [i915]
>[   44.722871]  [<ffffffffa030d298>] ? intel_dp_aux_ch+0x148/0x640 [i915]
>[   44.722880]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.722893]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[   44.722905]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[   44.722916]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.722926]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   44.722934]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.722939]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.722948]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.722952]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.722956]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.722974]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.722990]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.722992]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.722995]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.722997]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.723000]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.723002]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.723004]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.723012]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.723015]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.723016]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.723019]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.723021]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.723023]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.723024]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.723026]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.723028]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.723029]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.723030] ---[ end trace 1eccc4e5610ef2a1 ]---
>[   44.723052] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.723054] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.723058] [drm:intel_disable_shared_dpll] disable DPLL 1 (active 1, on? 1) for crtc 25
>[   44.723060] [drm:intel_disable_shared_dpll] disabling DPLL 1
>[   44.723067] [drm:hsw_audio_codec_disable] Disable audio codec on pipe C
>[   44.728985] [drm:intel_disable_pipe] disabling pipe C
>[   44.739195] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.739211] ------------[ cut here ]------------
>[   44.739240] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.739242] WARN_ON(!wm_changed)
>[   44.739290] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.739301]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.739305] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.739307] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.739311]  ffffffffa0340248 ffff8801684af490 ffffffff8138bd1d ffff8801684af4d8
>[   44.739314]  ffff8801684af4c8 ffffffff81076e56 ffff880035e63000 ffff8801684af560
>[   44.739317]  ffff8801684af614 ffff880035e65000 ffff88016616f380 ffff8801684af528
>[   44.739319] Call Trace:
>[   44.739327]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.739334]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.739339]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.739359]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.739379]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.739387]  [<ffffffff8101fc09>] ? sched_clock+0x9/0x10
>[   44.739391]  [<ffffffff810a557c>] ? local_clock+0x1c/0x30
>[   44.739395]  [<ffffffff810c9816>] ? log_store+0x116/0x200
>[   44.739415]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.739449]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[   44.739484]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[   44.739512]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.739534]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   44.739553]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.739565]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.739585]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.739596]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.739605]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.739614]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.739647]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.739658]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.739665]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.739670]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.739676]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.739681]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.739685]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.739690]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.739695]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.739698]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.739704]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.739709]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.739713]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.739716]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.739720]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.739723]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.739727]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.739729] ---[ end trace 1eccc4e5610ef2a2 ]---
>[   44.739753] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   44.739758] [drm:intel_disable_shared_dpll] disable DPLL 2 (active 1, on? 1) for crtc 29
>[   44.739763] [drm:intel_disable_shared_dpll] disabling DPLL 2
>[   44.739773] [drm:intel_power_well_disable] disabling DDI C power well
>[   44.739776] [drm:skl_set_power_well] Disabling DDI C power well
>[   44.739780] [drm:intel_enable_shared_dpll] enable DPLL 1 (active 0, on? 0) for crtc 25
>[   44.739782] [drm:intel_enable_shared_dpll] enabling DPLL 1
>[   44.742016] [drm:skylake_pfit_enable] for crtc_state = ffff88008598d400
>[   44.742104] ------------[ cut here ]------------
>[   44.742134] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.742135] WARN_ON(!wm_changed)
>[   44.742191] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.742201]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.742207] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.742209] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.742213]  ffffffffa0340248 ffff8801684af460 ffffffff8138bd1d ffff8801684af4a8
>[   44.742216]  ffff8801684af498 ffffffff81076e56 ffff880035e63000 ffff8801684af530
>[   44.742218]  ffff8801684af5e4 ffff880035e64000 ffff88016616f380 ffff8801684af4f8
>[   44.742219] Call Trace:
>[   44.742226]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.742234]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.742238]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.742257]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.742278]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.742284]  [<ffffffff8101fc09>] ? sched_clock+0x9/0x10
>[   44.742305]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.742341]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[   44.742375]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[   44.742404]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.742425]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   44.742445]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.742456]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.742476]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.742486]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.742496]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.742505]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.742538]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.742544]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.742551]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.742556]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.742562]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.742567]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.742571]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.742576]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.742581]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.742585]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.742591]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.742596]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.742600]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.742603]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.742607]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.742610]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.742614]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.742617] ---[ end trace 1eccc4e5610ef2a3 ]---
>[   44.742640] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   44.754639] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   44.754647] [drm:intel_enable_pipe] enabling pipe B
>[   44.754663] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:45:HDMI-A-1], [ENCODER:40:TMDS-40]
>[   44.754668] [drm:hsw_audio_codec_enable] Enable audio codec on pipe B, 36 bytes ELD
>[   44.754679] [drm:audio_config_hdmi_pixel_clock] HDMI audio pixel clock setting for 297000 not found, falling back to defaults
>[   44.754681] [drm:audio_config_hdmi_pixel_clock] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[   44.821656] [drm:intel_connector_check_state] [CONNECTOR:45:HDMI-A-1]
>[   44.821667] [drm:intel_connector_check_state] [CONNECTOR:48:DP-2]
>[   44.821671] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
>[   44.821674] [drm:check_encoder_state] [ENCODER:40:TMDS-40]
>[   44.821676] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
>[   44.821679] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
>[   44.821681] [drm:check_encoder_state] [ENCODER:44:DP MST-44]
>[   44.821683] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
>[   44.821685] [drm:check_encoder_state] [ENCODER:49:DP MST-49]
>[   44.821687] [drm:check_encoder_state] [ENCODER:50:DP MST-50]
>[   44.821688] [drm:check_encoder_state] [ENCODER:51:DP MST-51]
>[   44.821695] [drm:check_crtc_state] [CRTC:25]
>[   44.821724] [drm:check_crtc_state] [CRTC:29]
>[   44.821728] [drm:check_shared_dpll_state] DPLL 1
>[   44.821733] [drm:check_shared_dpll_state] DPLL 2
>[   44.821736] [drm:check_shared_dpll_state] DPLL 3
>[   44.821782] [drm:connected_sink_compute_bpp] [CONNECTOR:48:DP-2] checking for sink bpp constrains
>[   44.821784] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[   44.821791] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 270000 pixel clock 148500KHz
>[   44.821799] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[   44.821801] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[   44.821805] [drm:intel_modeset_pipe_config] plane bpp: 36, pipe bpp: 24, dithering: 0
>[   44.821810] [drm:intel_dump_pipe_config] [CRTC:29][modeset] config ffff880085989c00 for pipe C
>[   44.821812] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[   44.821814] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[   44.821817] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   44.821821] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[   44.821824] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[   44.821826] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[   44.821828] [drm:intel_dump_pipe_config] requested mode:
>[   44.821834] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[   44.821836] [drm:intel_dump_pipe_config] adjusted mode:
>[   44.821841] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[   44.821845] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x48 flags: 0x5
>[   44.821847] [drm:intel_dump_pipe_config] port clock: 162000
>[   44.821849] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[   44.821852] [drm:intel_dump_pipe_config] num_scalers: 1, scaler_users: 0x0, scaler_id: -1
>[   44.821855] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[   44.821857] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   44.821859] [drm:intel_dump_pipe_config] ips: 0
>[   44.821860] [drm:intel_dump_pipe_config] double wide: 0
>[   44.821864] [drm:intel_dump_pipe_config] ddi_pll_sel: 2; dpll_hw_state: ctrl1: 0x21, cfgcr1: 0x80400173, cfgcr2: 0x145
>[   44.821865] [drm:intel_dump_pipe_config] planes on this crtc
>[   44.821869] [drm:intel_dump_pipe_config] STANDARD PLANE:27 plane: 2.0 idx: 6 disabled, scaler_id = -1
>[   44.821873] [drm:intel_dump_pipe_config] CURSOR PLANE:28 plane: 2.3 idx: 7 disabled, scaler_id = -1
>[   44.821875] [drm:intel_dump_pipe_config] STANDARD PLANE:30 plane: 2.1 idx: 8 disabled, scaler_id = -1
>[   44.821883] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.821889] [drm:intel_get_shared_dpll] CRTC:29 allocated DPLL 2
>[   44.821891] [drm:intel_get_shared_dpll] using DPLL 2 for pipe C
>[   44.821894] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:29] scaler_user index 2.31
>[   44.821898] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 1 scaler_users = 0x0
>[   44.821918] [drm:intel_power_well_enable] enabling DDI C power well
>[   44.821922] [drm:skl_set_power_well] Enabling DDI C power well
>[   44.821928] [drm:intel_enable_shared_dpll] enable DPLL 2 (active 0, on? 0) for crtc 29
>[   44.821931] [drm:intel_enable_shared_dpll] enabling DPLL 2
>[   44.825999] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[   44.826002] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[   44.826003] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[   44.828535] [drm:intel_dp_start_link_train] clock recovery OK
>[   44.833543] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[   44.834001] [drm:skylake_pfit_enable] for crtc_state = ffff880085989c00
>[   44.834134] ------------[ cut here ]------------
>[   44.834175] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.834178] WARN_ON(!wm_changed)
>[   44.834252] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.834279]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.834286] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.834289] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.834296]  ffffffffa0340248 ffff8801684af460 ffffffff8138bd1d ffff8801684af4a8
>[   44.834300]  ffff8801684af498 ffffffff81076e56 ffff880035e63000 ffff8801684af530
>[   44.834304]  ffff8801684af5e4 ffff880035e65000 ffff88016616f380 ffff8801684af4f8
>[   44.834306] Call Trace:
>[   44.834317]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.834327]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.834335]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.834367]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.834400]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.834465]  [<ffffffffa030d298>] ? intel_dp_aux_ch+0x148/0x640 [i915]
>[   44.834502]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.834555]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[   44.834607]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[   44.834651]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.834687]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.834704]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.834737]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.834754]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.834773]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.834787]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.834839]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.834848]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.834859]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.834867]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.834876]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.834883]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.834890]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.834898]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.834904]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.834910]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.834919]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.834928]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.834946]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.834952]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.834958]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.834963]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.834970]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.834974] ---[ end trace 1eccc4e5610ef2a4 ]---
>[   44.834981] ------------[ cut here ]------------
>[   44.835014] WARNING: CPU: 3 PID: 874 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   44.835016] WARN_ON(!wm_changed)
>[   44.835071] Modules linked in: bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect
>[   44.835084]  sysimgblt e1000e fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   44.835089] CPU: 3 PID: 874 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   44.835091] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   44.835096]  ffffffffa0340248 ffff8801684af460 ffffffff8138bd1d ffff8801684af4a8
>[   44.835100]  ffff8801684af498 ffffffff81076e56 ffff880035e64000 ffff8801684af530
>[   44.835104]  ffff8801684af5e4 ffff880035e65000 ffff88016616f380 ffff8801684af4f8
>[   44.835106] Call Trace:
>[   44.835111]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   44.835119]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   44.835126]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   44.835155]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   44.835187]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   44.835240]  [<ffffffffa030d298>] ? intel_dp_aux_ch+0x148/0x640 [i915]
>[   44.835273]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   44.835322]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[   44.835370]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[   44.835409]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   44.835441]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   44.835458]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   44.835490]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   44.835506]  [<ffffffffa01def3b>] restore_fbdev_mode+0xab/0x110 [drm_kms_helper]
>[   44.835523]  [<ffffffffa01e0ce5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
>[   44.835536]  [<ffffffffa01e0d5c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[   44.835585]  [<ffffffffa02fd8ea>] intel_fbdev_set_par+0x1a/0x60 [i915]
>[   44.835592]  [<ffffffff81406bb1>] fb_set_var+0x191/0x400
>[   44.835601]  [<ffffffff81296911>] ? __ext4_handle_dirty_metadata+0x81/0x210
>[   44.835609]  [<ffffffff813fe00c>] fbcon_blank+0x1bc/0x2b0
>[   44.835616]  [<ffffffff81492578>] do_unblank_screen+0xb8/0x1c0
>[   44.835623]  [<ffffffff81489c73>] vt_ioctl+0x1063/0x10e0
>[   44.835628]  [<ffffffff81191a6d>] ? kzfree+0x2d/0x30
>[   44.835636]  [<ffffffff8147ce2b>] tty_ioctl+0x1eb/0xbe0
>[   44.835641]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   44.835646]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   44.835654]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   44.835661]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   44.835666]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   44.835671]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   44.835678]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   44.835682]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   44.835687]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   44.835690] ---[ end trace 1eccc4e5610ef2a5 ]---
>[   44.835740] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   44.837817] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   44.854833] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   44.854840] [drm:intel_enable_pipe] enabling pipe C
>[   44.888400] [drm:intel_connector_check_state] [CONNECTOR:48:DP-2]
>[   44.888408] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
>[   44.888411] [drm:check_encoder_state] [ENCODER:40:TMDS-40]
>[   44.888413] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
>[   44.888415] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
>[   44.888417] [drm:check_encoder_state] [ENCODER:44:DP MST-44]
>[   44.888420] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
>[   44.888422] [drm:check_encoder_state] [ENCODER:49:DP MST-49]
>[   44.888424] [drm:check_encoder_state] [ENCODER:50:DP MST-50]
>[   44.888425] [drm:check_encoder_state] [ENCODER:51:DP MST-51]
>[   44.888427] [drm:check_crtc_state] [CRTC:29]
>[   44.888450] [drm:check_shared_dpll_state] DPLL 1
>[   44.888454] [drm:check_shared_dpll_state] DPLL 2
>[   44.888457] [drm:check_shared_dpll_state] DPLL 3
>[   44.888493] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.888497] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598fc00 need = 0 avail = 2 scaler_users = 0x0
>[   44.888518] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.888521] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.888546] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.888549] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598b000 need = 0 avail = 2 scaler_users = 0x0
>[   44.888563] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.888565] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.888585] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.888587] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598d400 need = 0 avail = 1 scaler_users = 0x0
>[   44.888601] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.888639] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.888642] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 2 scaler_users = 0x0
>[   44.888654] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.888657] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.888674] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.888677] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598fc00 need = 0 avail = 2 scaler_users = 0x0
>[   44.888689] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.888691] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.888707] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.888709] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598b000 need = 0 avail = 1 scaler_users = 0x0
>[   44.888721] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.949952] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.949956] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598d400 need = 0 avail = 2 scaler_users = 0x0
>[   44.949966] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.949968] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.949979] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.949980] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 2 scaler_users = 0x0
>[   44.949985] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.949986] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.949994] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.949995] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598fc00 need = 0 avail = 1 scaler_users = 0x0
>[   44.950000] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.950010] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.950011] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598b000 need = 0 avail = 2 scaler_users = 0x0
>[   44.950016] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.950017] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.950023] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.950024] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598d400 need = 0 avail = 2 scaler_users = 0x0
>[   44.950028] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.950030] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.950035] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.950036] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 1 scaler_users = 0x0
>[   44.950041] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.954947] [drm:i915_gem_open] 
>[   44.955065] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.955068] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a043000 need = 0 avail = 2 scaler_users = 0x0
>[   44.955091] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.955092] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.955104] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.955105] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a045800 need = 0 avail = 2 scaler_users = 0x0
>[   44.955110] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.955111] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.955119] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.955120] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a044800 need = 0 avail = 1 scaler_users = 0x0
>[   44.955124] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   44.955135] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   44.955136] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a047000 need = 0 avail = 2 scaler_users = 0x0
>[   44.955140] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   44.955142] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   44.955148] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   44.955149] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a043000 need = 0 avail = 2 scaler_users = 0x0
>[   44.955154] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   44.955155] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   44.955162] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   44.955163] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008a045800 need = 0 avail = 1 scaler_users = 0x0
>[   44.955167] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   45.822174] [drm:i915_gem_open] 
>[   45.822255] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[   45.822485] [drm:i915_gem_open] 
>[   45.822514] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[   45.822517] [drm:drm_mode_getresources] [CRTC:21]
>[   45.822531] [drm:drm_mode_getresources] [CRTC:25]
>[   45.822532] [drm:drm_mode_getresources] [CRTC:29]
>[   45.822533] [drm:drm_mode_getresources] [ENCODER:31:TMDS-31]
>[   45.822535] [drm:drm_mode_getresources] [ENCODER:40:TMDS-40]
>[   45.822536] [drm:drm_mode_getresources] [ENCODER:42:DP MST-42]
>[   45.822537] [drm:drm_mode_getresources] [ENCODER:43:DP MST-43]
>[   45.822538] [drm:drm_mode_getresources] [ENCODER:44:DP MST-44]
>[   45.822539] [drm:drm_mode_getresources] [ENCODER:47:TMDS-47]
>[   45.822540] [drm:drm_mode_getresources] [ENCODER:49:DP MST-49]
>[   45.822541] [drm:drm_mode_getresources] [ENCODER:50:DP MST-50]
>[   45.822541] [drm:drm_mode_getresources] [ENCODER:51:DP MST-51]
>[   45.822543] [drm:drm_mode_getresources] [CONNECTOR:32:eDP-1]
>[   45.822544] [drm:drm_mode_getresources] [CONNECTOR:41:DP-1]
>[   45.822545] [drm:drm_mode_getresources] [CONNECTOR:45:HDMI-A-1]
>[   45.822546] [drm:drm_mode_getresources] [CONNECTOR:48:DP-2]
>[   45.822546] [drm:drm_mode_getresources] [CONNECTOR:52:HDMI-A-2]
>[   45.822548] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[   45.823022] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[   45.823034] [drm:drm_mode_addfb2] [FB:119]
>[   45.823421] [drm:internal_framebuffer_create] could not create framebuffer
>[   45.823428] [drm:drm_mode_addfb2] [FB:119]
>[   45.823489] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[   45.823493] [drm:drm_mode_getresources] [CRTC:21]
>[   45.823494] [drm:drm_mode_getresources] [CRTC:25]
>[   45.823496] [drm:drm_mode_getresources] [CRTC:29]
>[   45.823498] [drm:drm_mode_getresources] [ENCODER:31:TMDS-31]
>[   45.823500] [drm:drm_mode_getresources] [ENCODER:40:TMDS-40]
>[   45.823502] [drm:drm_mode_getresources] [ENCODER:42:DP MST-42]
>[   45.823503] [drm:drm_mode_getresources] [ENCODER:43:DP MST-43]
>[   45.823505] [drm:drm_mode_getresources] [ENCODER:44:DP MST-44]
>[   45.823506] [drm:drm_mode_getresources] [ENCODER:47:TMDS-47]
>[   45.823508] [drm:drm_mode_getresources] [ENCODER:49:DP MST-49]
>[   45.823509] [drm:drm_mode_getresources] [ENCODER:50:DP MST-50]
>[   45.823511] [drm:drm_mode_getresources] [ENCODER:51:DP MST-51]
>[   45.823512] [drm:drm_mode_getresources] [CONNECTOR:32:eDP-1]
>[   45.823514] [drm:drm_mode_getresources] [CONNECTOR:41:DP-1]
>[   45.823516] [drm:drm_mode_getresources] [CONNECTOR:45:HDMI-A-1]
>[   45.823517] [drm:drm_mode_getresources] [CONNECTOR:48:DP-2]
>[   45.823519] [drm:drm_mode_getresources] [CONNECTOR:52:HDMI-A-2]
>[   45.823521] [drm:drm_mode_getresources] CRTC[3] CONNECTORS[5] ENCODERS[9]
>[   45.823654] [drm:drm_mode_getconnector] [CONNECTOR:32:?]
>[   45.823664] [drm:drm_mode_getconnector] [CONNECTOR:32:?]
>[   45.836928] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[   45.836947] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[   45.837005] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[   45.837014] [drm:drm_mode_getconnector] [CONNECTOR:45:?]
>[   45.837060] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[   45.837067] [drm:drm_mode_getconnector] [CONNECTOR:48:?]
>[   45.837107] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[   45.837111] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[   45.870648] [drm:drm_mode_addfb2] [FB:119]
>[   45.951149] [drm:drm_mode_setcrtc] [CRTC:21]
>[   45.951156] [drm:drm_mode_setcrtc] [CONNECTOR:32:eDP-1]
>[   45.951170] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   45.951177] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598fc00 need = 0 avail = 2 scaler_users = 0x0
>[   45.954974] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   45.954978] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   45.970803] [drm:drm_mode_setcrtc] [CRTC:25]
>[   45.970811] [drm:drm_mode_setcrtc] [CONNECTOR:45:HDMI-A-1]
>[   45.970826] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   45.970830] [drm:intel_atomic_setup_scalers] crtc_state = ffff8801665ffc00 need = 0 avail = 2 scaler_users = 0x0
>[   45.970851] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   45.970854] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   45.987918] [drm:drm_mode_setcrtc] [CRTC:29]
>[   45.987936] [drm:drm_mode_setcrtc] [CONNECTOR:48:DP-2]
>[   45.987969] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   45.987977] [drm:intel_atomic_setup_scalers] crtc_state = ffff8801665ff800 need = 0 avail = 1 scaler_users = 0x0
>[   45.988014] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.147678] [drm:i915_gem_open] 
>[   46.193236] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989000 need = 0 avail = 2 scaler_users = 0x0
>[   46.193265] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   46.220856] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[   46.221153] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.221160] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   46.221162] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   46.221183] [drm:intel_atomic_setup_scalers] crtc_state = ffff8801665ff400 need = 0 avail = 2 scaler_users = 0x0
>[   46.221188] ------------[ cut here ]------------
>[   46.221201] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.221202] WARN_ON(!wm_changed)
>[   46.221203] Modules linked in:
>[   46.221204]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.221235]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.221242] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.221243] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.221244]  ffffffffa0340248 ffff88014797b5b0 ffffffff8138bd1d ffff88014797b5f8
>[   46.221246]  ffff88014797b5e8 ffffffff81076e56 ffff880035e63000 ffff88014797b680
>[   46.221247]  ffff88014797b734 ffff880035e64000 ffff88016616f380 ffff88014797b648
>[   46.221249] Call Trace:
>[   46.221253]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.221257]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.221259]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.221266]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.221274]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.221277]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[   46.221279]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.221287]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.221300]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[   46.221306]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[   46.221319]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[   46.221331]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.221340]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[   46.221348]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.221352]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[   46.221360]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[   46.221367]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.221369]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[   46.221376]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.221384]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.221389]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.221397]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.221399]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.221401]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.221404]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.221407]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.221409]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.221411]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.221413]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.221414]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.221417]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.221418] ---[ end trace 1eccc4e5610ef2a6 ]---
>[   46.221420] ------------[ cut here ]------------
>[   46.221427] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.221428] WARN_ON(!wm_changed)
>[   46.221429] Modules linked in:
>[   46.221429]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.221448]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.221453] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.221454] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.221455]  ffffffffa0340248 ffff88014797b5b0 ffffffff8138bd1d ffff88014797b5f8
>[   46.221456]  ffff88014797b5e8 ffffffff81076e56 ffff880035e65000 ffff88014797b680
>[   46.221458]  ffff88014797b734 ffff880035e64000 ffff88016616f380 ffff88014797b648
>[   46.221459] Call Trace:
>[   46.221461]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.221463]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.221465]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.221472]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.221479]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.221481]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[   46.221482]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.221490]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.221503]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[   46.221507]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[   46.221519]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[   46.221528]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.221536]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[   46.221543]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.221547]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[   46.221555]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[   46.221561]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.221563]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[   46.221570]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.221577]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.221582]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.221589]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.221591]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.221592]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.221595]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.221596]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.221598]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.221599]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.221601]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.221603]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.221604]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.221605] ---[ end trace 1eccc4e5610ef2a7 ]---
>[   46.221623] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.221624] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.221626] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.221631] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.221633] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.221641] [drm:intel_atomic_setup_scalers] crtc_state = ffff8801665ffc00 need = 0 avail = 1 scaler_users = 0x0
>[   46.221649] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   46.237313] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   46.254341] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.254486] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.637680] [drm:drm_mode_getconnector] [CONNECTOR:41:?]
>[   46.637689] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:41:DP-1]
>[   46.637692] [drm:intel_dp_detect] [CONNECTOR:41:DP-1]
>[   46.646254] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   46.654659] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   46.668573] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   46.684553] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
>[   46.692142] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:41:DP-1] disconnected
>[   46.692274] [drm:drm_mode_getconnector] [CONNECTOR:52:?]
>[   46.692293] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2]
>[   46.692296] [drm:intel_hdmi_detect] [CONNECTOR:52:HDMI-A-2]
>[   46.692525] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[   46.692526] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[   46.692828] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[   46.692830] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[   46.692832] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:52:HDMI-A-2] disconnected
>[   46.716293] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800859f8000 need = 0 avail = 2 scaler_users = 0x0
>[   46.716307] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   46.716308] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   46.716317] ------------[ cut here ]------------
>[   46.716333] WARNING: CPU: 0 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.716334] WARN_ON(!wm_changed)
>[   46.716335] Modules linked in:
>[   46.716337]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.716372]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.716386] CPU: 0 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.716387] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.716388]  ffffffffa0340248 ffff88014797b648 ffffffff8138bd1d ffff88014797b690
>[   46.716390]  ffff88014797b680 ffffffff81076e56 ffff880035e64000 ffff88014797b718
>[   46.716392]  ffff88014797b7cc ffff880035e63000 ffff88016616f380 ffff88014797b6e0
>[   46.716394] Call Trace:
>[   46.716399]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.716403]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.716405]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.716408]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[   46.716417]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.716426]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.716430]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.716440]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.716455]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   46.716469]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.716479]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   46.716488]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.716499]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   46.716507]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   46.716515]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.716523]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.716532]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.716538]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.716546]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.716549]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.716551]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.716555]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.716558]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.716560]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.716562]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.716564]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.716566]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.716569]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.716571] ---[ end trace 1eccc4e5610ef2a8 ]---
>[   46.716577] ------------[ cut here ]------------
>[   46.716587] WARNING: CPU: 0 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.716588] WARN_ON(!wm_changed)
>[   46.716589] Modules linked in:
>[   46.716590]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.716619]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.716626] CPU: 0 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.716627] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.716627]  ffffffffa0340248 ffff88014797b648 ffffffff8138bd1d ffff88014797b690
>[   46.716629]  ffff88014797b680 ffffffff81076e56 ffff880035e65000 ffff88014797b718
>[   46.716631]  ffff88014797b7cc ffff880035e63000 ffff88016616f380 ffff88014797b6e0
>[   46.716633] Call Trace:
>[   46.716635]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.716637]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.716639]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.716648]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.716656]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.716659]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.716667]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.716682]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   46.716692]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.716701]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   46.716709]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.716716]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   46.716724]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   46.716733]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.716740]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.716748]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.716754]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.716762]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.716764]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.716766]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.716769]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.716771]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.716772]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.716774]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.716776]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.716778]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.716780]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.716781] ---[ end trace 1eccc4e5610ef2a9 ]---
>[   46.716800] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.716803] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.716804] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.716818] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800859fa800 need = 0 avail = 2 scaler_users = 0x0
>[   46.716824] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.716826] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.716837] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   46.720293] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[   46.720888] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.720906] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bf400 need = 0 avail = 1 scaler_users = 0x0
>[   46.720912] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.720916] ------------[ cut here ]------------
>[   46.720941] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.720942] WARN_ON(!wm_changed)
>[   46.720942] Modules linked in:
>[   46.720943]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.720971]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.720977] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.720979] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.720980]  ffffffffa0340248 ffff88014797b648 ffffffff8138bd1d ffff88014797b690
>[   46.720982]  ffff88014797b680 ffffffff81076e56 ffff880035e63000 ffff88014797b718
>[   46.720984]  ffff88014797b7cc ffff880035e65000 ffff88016616f380 ffff88014797b6e0
>[   46.720986] Call Trace:
>[   46.720988]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.720991]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.720994]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.720996]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[   46.721004]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.721013]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.721016]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.721025]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.721039]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   46.721051]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.721061]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   46.721070]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.721075]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   46.721083]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   46.721092]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.721099]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.721109]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.721114]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.721123]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.721125]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.721127]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.721130]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.721132]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.721134]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.721136]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.721139]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.721141]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.721143]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.721144] ---[ end trace 1eccc4e5610ef2aa ]---
>[   46.721146] ------------[ cut here ]------------
>[   46.721155] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.721156] WARN_ON(!wm_changed)
>[   46.721157] Modules linked in:
>[   46.721158]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.721181]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.721187] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.721188] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.721189]  ffffffffa0340248 ffff88014797b648 ffffffff8138bd1d ffff88014797b690
>[   46.721191]  ffff88014797b680 ffffffff81076e56 ffff880035e64000 ffff88014797b718
>[   46.721192]  ffff88014797b7cc ffff880035e65000 ffff88016616f380 ffff88014797b6e0
>[   46.721195] Call Trace:
>[   46.721197]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.721199]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.721201]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.721209]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.721220]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.721224]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.721232]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.721246]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   46.721257]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.721266]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   46.721275]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.721280]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   46.721288]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   46.721296]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.721304]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.721313]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.721319]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.721326]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.721329]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.721331]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.721333]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.721335]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.721337]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.721339]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.721342]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.721343]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.721345]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.721346] ---[ end trace 1eccc4e5610ef2ab ]---
>[   46.721365] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.721367] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.721369] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.739295] [drm:internal_framebuffer_create] bad framebuffer width 8960, should be >= 0 && <= 8192
>[   46.741726] [drm:drm_mode_addfb2] [FB:35]
>[   46.741767] [drm:drm_mode_setcrtc] [CRTC:21]
>[   46.741774] [drm:drm_mode_setcrtc] [CONNECTOR:32:eDP-1]
>[   46.741786] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:18] scaler_user index 0.0
>[   46.741789] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355b8800 need = 0 avail = 2 scaler_users = 0x0
>[   46.769347] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   46.769353] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   46.777694] [drm:drm_mode_addfb2] [FB:56]
>[   46.777953] [drm:drm_mode_setcrtc] [CRTC:25]
>[   46.777962] [drm:drm_mode_setcrtc] [CONNECTOR:45:HDMI-A-1]
>[   46.777986] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   46.777993] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bdc00 need = 0 avail = 2 scaler_users = 0x0
>[   46.788050] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.788059] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.829697] [drm:drm_mode_addfb2] [FB:121]
>[   46.830125] [drm:drm_mode_setcrtc] [CRTC:29]
>[   46.830139] [drm:drm_mode_setcrtc] [CONNECTOR:48:DP-2]
>[   46.830181] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   46.830191] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bb800 need = 0 avail = 1 scaler_users = 0x0
>[   46.832744] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.838417] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bf400 need = 0 avail = 2 scaler_users = 0x0
>[   46.838463] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   46.854162] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[   46.871149] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.871183] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   46.871190] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   46.871315] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355b8800 need = 0 avail = 2 scaler_users = 0x0
>[   46.871347] ------------[ cut here ]------------
>[   46.871412] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.871416] WARN_ON(!wm_changed)
>[   46.871421] Modules linked in:
>[   46.871427]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.871561]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.871594] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.871600] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.871606]  ffffffffa0340248 ffff88014797b5b0 ffffffff8138bd1d ffff88014797b5f8
>[   46.871617]  ffff88014797b5e8 ffffffff81076e56 ffff880035e63000 ffff88014797b680
>[   46.871625]  ffff88014797b734 ffff880035e64000 ffff88016616f380 ffff88014797b648
>[   46.871634] Call Trace:
>[   46.871655]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.871670]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.871681]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.871725]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.871768]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.871784]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[   46.871794]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.871836]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.871905]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[   46.871935]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[   46.872008]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[   46.872071]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.872199]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[   46.872269]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.872319]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[   46.872374]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[   46.872426]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.872465]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[   46.872514]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.872581]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.872635]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.872689]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.872715]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.872724]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.872739]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.872751]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.872761]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.872770]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.872785]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.872794]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.872804]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.872814] ---[ end trace 1eccc4e5610ef2ac ]---
>[   46.872825] ------------[ cut here ]------------
>[   46.872871] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.872876] WARN_ON(!wm_changed)
>[   46.872879] Modules linked in:
>[   46.872886]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.873084]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.873111] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.873116] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.873120]  ffffffffa0340248 ffff88014797b5b0 ffffffff8138bd1d ffff88014797b5f8
>[   46.873129]  ffff88014797b5e8 ffffffff81076e56 ffff880035e65000 ffff88014797b680
>[   46.873137]  ffff88014797b734 ffff880035e64000 ffff88016616f380 ffff88014797b648
>[   46.873145] Call Trace:
>[   46.873154]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.873166]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.873176]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.873216]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.873256]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.873266]  [<ffffffff810cb4a8>] ? console_unlock+0x1d8/0x4c0
>[   46.873276]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.873316]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.873383]  [<ffffffffa02d888b>] intel_begin_crtc_commit+0xab/0xc0 [i915]
>[   46.873406]  [<ffffffffa01ddd4b>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x230 [drm_kms_helper]
>[   46.873477]  [<ffffffffa02e76b6>] intel_atomic_commit+0x286/0x1380 [i915]
>[   46.873527]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.873583]  [<ffffffffa00ea036>] ? drm_atomic_get_crtc_state+0x66/0xd0 [drm]
>[   46.873639]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.873669]  [<ffffffffa01dbe69>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper]
>[   46.873719]  [<ffffffffa00daaf8>] __setplane_internal+0x218/0x320 [drm]
>[   46.873754]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.873766]  [<ffffffff810e0153>] ? hrtimer_start_range_ns+0x1d3/0x350
>[   46.873799]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.873839]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.873865]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.873903]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.873919]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.873926]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.873938]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.873949]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.873958]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.873966]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.873977]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.873988]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.873996]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.874003] ---[ end trace 1eccc4e5610ef2ad ]---
>[   46.874063] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.874071] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.874078] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.874101] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.874108] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.874158] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bdc00 need = 0 avail = 1 scaler_users = 0x0
>[   46.874196] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   46.887171] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   46.887274] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.887301] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.888170] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bb800 need = 0 avail = 2 scaler_users = 0x0
>[   46.888203] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   46.888209] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   46.888243] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bf400 need = 0 avail = 2 scaler_users = 0x0
>[   46.888261] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.888267] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.888302] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355b8800 need = 0 avail = 1 scaler_users = 0x0
>[   46.888319] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.897143] [drm:drm_mode_addfb2] [FB:127]
>[   46.897401] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bdc00 need = 0 avail = 2 scaler_users = 0x0
>[   46.897419] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.897423] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.897441] ------------[ cut here ]------------
>[   46.897494] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.897498] WARN_ON(!wm_changed)
>[   46.897502] Modules linked in:
>[   46.897509]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.897616]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.897642] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.897646] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.897650]  ffffffffa0340248 ffff88014797b648 ffffffff8138bd1d ffff88014797b690
>[   46.897659]  ffff88014797b680 ffffffff81076e56 ffff880035e63000 ffff88014797b718
>[   46.897666]  ffff88014797b7cc ffff880035e64000 ffff88016616f380 ffff88014797b6e0
>[   46.897673] Call Trace:
>[   46.897691]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.897703]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.897712]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.897720]  [<ffffffff81390000>] ? md5_transform+0x650/0x7f0
>[   46.897755]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.897790]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.897801]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.897836]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.897894]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   46.897942]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.897980]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   46.898013]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.898034]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   46.898068]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   46.898100]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.898131]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.898164]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.898187]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.898218]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.898227]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.898234]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.898248]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.898258]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.898266]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.898273]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.898282]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.898289]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.898296]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.898302] ---[ end trace 1eccc4e5610ef2ae ]---
>[   46.898311] ------------[ cut here ]------------
>[   46.898346] WARNING: CPU: 2 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.898349] WARN_ON(!wm_changed)
>[   46.898351] Modules linked in:
>[   46.898354]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.898441]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.898462] CPU: 2 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.898467] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.898470]  ffffffffa0340248 ffff88014797b648 ffffffff8138bd1d ffff88014797b690
>[   46.898477]  ffff88014797b680 ffffffff81076e56 ffff880035e65000 ffff88014797b718
>[   46.898484]  ffff88014797b7cc ffff880035e64000 ffff88016616f380 ffff88014797b6e0
>[   46.898491] Call Trace:
>[   46.898498]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.898507]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.898516]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.898548]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.898582]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.898591]  [<ffffffff810cba8c>] ? vprintk_emit+0x2fc/0x500
>[   46.898625]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.898687]  [<ffffffffa02e782d>] intel_atomic_commit+0x3fd/0x1380 [i915]
>[   46.898725]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.898759]  [<ffffffffa00e9ffe>] ? drm_atomic_get_crtc_state+0x2e/0xd0 [drm]
>[   46.898791]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.898809]  [<ffffffffa01dbf9f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
>[   46.898840]  [<ffffffffa00daa77>] __setplane_internal+0x197/0x320 [drm]
>[   46.898870]  [<ffffffffa00daf99>] drm_mode_cursor_universal+0x119/0x1f0 [drm]
>[   46.898900]  [<ffffffffa00db0ec>] drm_mode_cursor_common+0x7c/0x1a0 [drm]
>[   46.898932]  [<ffffffffa00deff1>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[   46.898954]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.898985]  [<ffffffffa00defb0>] ? drm_mode_setcrtc+0x4f0/0x4f0 [drm]
>[   46.898993]  [<ffffffff8112a62c>] ? acct_account_cputime+0x1c/0x20
>[   46.898999]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.899009]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.899017]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.899024]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.899031]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.899040]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.899046]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.899052]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.899058] ---[ end trace 1eccc4e5610ef2af ]---
>[   46.899093] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.899099] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.899104] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.899140] [drm:drm_mode_setcrtc] [CRTC:25]
>[   46.899151] [drm:drm_mode_setcrtc] [CONNECTOR:48:DP-2]
>[   46.899183] [drm:connected_sink_compute_bpp] [CONNECTOR:48:DP-2] checking for sink bpp constrains
>[   46.899187] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[   46.899195] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 270000 pixel clock 148500KHz
>[   46.899204] [drm:intel_dp_compute_config] DP link bw 06 lane count 4 clock 162000 bpp 24
>[   46.899208] [drm:intel_dp_compute_config] DP link bw required 356400 available 518400
>[   46.899214] [drm:intel_modeset_pipe_config] plane bpp: 36, pipe bpp: 24, dithering: 0
>[   46.899220] [drm:intel_dump_pipe_config] [CRTC:25][modeset] config ffff8800355bf400 for pipe B
>[   46.899224] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[   46.899227] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[   46.899233] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   46.899239] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 5767168, gmch_n: 8388608, link_m: 240298, link_n: 262144, tu: 64
>[   46.899244] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[   46.899248] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[   46.899251] [drm:intel_dump_pipe_config] requested mode:
>[   46.899259] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[   46.899262] [drm:intel_dump_pipe_config] adjusted mode:
>[   46.899269] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
>[   46.899275] [drm:intel_dump_crtc_timings] crtc timings: 148500 1920 2008 2052 2200 1080 1084 1089 1125, type: 0x0 flags: 0x5
>[   46.899279] [drm:intel_dump_pipe_config] port clock: 162000
>[   46.899282] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[   46.899287] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[   46.899292] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[   46.899296] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   46.899300] [drm:intel_dump_pipe_config] ips: 0
>[   46.899303] [drm:intel_dump_pipe_config] double wide: 0
>[   46.899308] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ctrl1: 0x21, cfgcr1: 0x80400173, cfgcr2: 0x145
>[   46.899312] [drm:intel_dump_pipe_config] planes on this crtc
>[   46.899317] [drm:intel_dump_pipe_config] STANDARD PLANE:23 plane: 1.0 idx: 3 enabled
>[   46.899322] [drm:intel_dump_pipe_config] 	FB:56, fb = 3840x2160 format = 0x34325258
>[   46.899328] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 3840x2160 dst (0, 0) 3840x2160
>[   46.899333] [drm:intel_dump_pipe_config] CURSOR PLANE:24 plane: 1.2 idx: 4 disabled, scaler_id = -1
>[   46.899338] [drm:intel_dump_pipe_config] STANDARD PLANE:26 plane: 1.1 idx: 5 disabled, scaler_id = -1
>[   46.899346] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 1.3
>[   46.899352] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   46.899364] [drm:intel_get_shared_dpll] CRTC:25 allocated DPLL 1
>[   46.899369] [drm:intel_get_shared_dpll] using DPLL 1 for pipe B
>[   46.899373] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:25] scaler_user index 1.31
>[   46.899378] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bf400 need = 0 avail = 2 scaler_users = 0x0
>[   46.899383] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:29] scaler_user index 2.31
>[   46.899387] [drm:intel_atomic_setup_scalers] crtc_state = ffff8800355bcc00 need = 0 avail = 1 scaler_users = 0x0
>[   46.899709] [drm:hsw_audio_codec_disable] Disable audio codec on pipe B
>[   46.899771] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force 128
>[   46.899875] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0
>[   46.904154] [drm:intel_disable_pipe] disabling pipe B
>[   46.921214] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.0
>[   46.921228] [drm:skl_detach_scaler] CRTC:25 Disabled scaler id 1.1
>[   46.921258] ------------[ cut here ]------------
>[   46.921315] WARNING: CPU: 3 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.921320] WARN_ON(!wm_changed)
>[   46.921325] Modules linked in:
>[   46.921330]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.921465]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.921497] CPU: 3 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.921504] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.921509]  ffffffffa0340248 ffff88014797b6f8 ffffffff8138bd1d ffff88014797b740
>[   46.921519]  ffff88014797b730 ffffffff81076e56 ffff880035e63000 ffff88014797b7c8
>[   46.921528]  ffff88014797b87c ffff880035e64000 ffff88016616f380 ffff88014797b790
>[   46.921537] Call Trace:
>[   46.921553]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.921570]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.921581]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.921623]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.921665]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.921677]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[   46.921688]  [<ffffffff8115920d>] ? irq_work_queue+0xd/0x80
>[   46.921697]  [<ffffffff810cb2c2>] ? wake_up_klogd+0x32/0x40
>[   46.921738]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.921813]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[   46.921885]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[   46.921943]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.921990]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   46.922033]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.922061]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   46.922103]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   46.922148]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[   46.922176]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.922216]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[   46.922228]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.922241]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.922254]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.922264]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.922272]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.922283]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.922291]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.922301]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.922308] ---[ end trace 1eccc4e5610ef2b0 ]---
>[   46.922319] ------------[ cut here ]------------
>[   46.922362] WARNING: CPU: 3 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   46.922365] WARN_ON(!wm_changed)
>[   46.922369] Modules linked in:
>[   46.922373]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   46.922480]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   46.922506] CPU: 3 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   46.922511] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   46.922515]  ffffffffa0340248 ffff88014797b6f8 ffffffff8138bd1d ffff88014797b740
>[   46.922524]  ffff88014797b730 ffffffff81076e56 ffff880035e65000 ffff88014797b7c8
>[   46.922532]  ffff88014797b87c ffff880035e64000 ffff88016616f380 ffff88014797b790
>[   46.922540] Call Trace:
>[   46.922549]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   46.922561]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   46.922571]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   46.922610]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   46.922649]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   46.922659]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[   46.922667]  [<ffffffff8115920d>] ? irq_work_queue+0xd/0x80
>[   46.922676]  [<ffffffff810cb2c2>] ? wake_up_klogd+0x32/0x40
>[   46.922716]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   46.922785]  [<ffffffffa02df036>] haswell_crtc_disable+0x156/0x2f0 [i915]
>[   46.922852]  [<ffffffffa02e7538>] intel_atomic_commit+0x108/0x1380 [i915]
>[   46.922902]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   46.922946]  [<ffffffffa00ea8f9>] ? drm_atomic_get_connector_state+0x49/0x130 [drm]
>[   46.922986]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   46.923009]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   46.923050]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   46.923093]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[   46.923120]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   46.923160]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[   46.923170]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   46.923182]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   46.923192]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   46.923201]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   46.923209]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   46.923220]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   46.923228]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   46.923236]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   46.923242] ---[ end trace 1eccc4e5610ef2b1 ]---
>[   46.923303] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.923311] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   46.923323] [drm:intel_disable_shared_dpll] disable DPLL 1 (active 1, on? 1) for crtc 25
>[   46.923333] [drm:intel_disable_shared_dpll] disabling DPLL 1
>[   46.923374] [drm:intel_disable_pipe] disabling pipe C
>[   46.938302] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.938840] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[   46.938858] [drm:intel_disable_shared_dpll] disable DPLL 2 (active 1, on? 1) for crtc 29
>[   46.938866] [drm:intel_disable_shared_dpll] disabling DPLL 2
>[   46.938884] [drm:intel_power_well_disable] disabling DDI B power well
>[   46.938892] [drm:skl_set_power_well] Disabling DDI B power well
>[   46.938902] [drm:intel_enable_shared_dpll] enable DPLL 1 (active 0, on? 0) for crtc 25
>[   46.938907] [drm:intel_enable_shared_dpll] enabling DPLL 1
>[   46.942165] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
>[   46.942176] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[   46.942180] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[   46.944774] [drm:intel_dp_start_link_train] clock recovery OK
>[   46.949778] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
>[   46.950241] [drm:skylake_pfit_enable] for crtc_state = ffff8800355bf400
>[   46.950409] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   46.953709] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[   46.953723] [drm:intel_enable_pipe] enabling pipe B
>[   46.987275] [drm:intel_connector_check_state] [CONNECTOR:45:HDMI-A-1]
>[   46.987289] [drm:intel_connector_check_state] [CONNECTOR:48:DP-2]
>[   46.987298] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
>[   46.987304] [drm:check_encoder_state] [ENCODER:40:TMDS-40]
>[   46.987308] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
>[   46.987312] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
>[   46.987316] [drm:check_encoder_state] [ENCODER:44:DP MST-44]
>[   46.987320] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
>[   46.987323] [drm:check_encoder_state] [ENCODER:49:DP MST-49]
>[   46.987327] [drm:check_encoder_state] [ENCODER:50:DP MST-50]
>[   46.987331] [drm:check_encoder_state] [ENCODER:51:DP MST-51]
>[   46.987338] [drm:check_crtc_state] [CRTC:25]
>[   46.987368] [drm:check_crtc_state] [CRTC:29]
>[   46.987375] [drm:check_shared_dpll_state] DPLL 1
>[   46.987380] [drm:check_shared_dpll_state] DPLL 2
>[   46.987385] [drm:check_shared_dpll_state] DPLL 3
>[   46.987479] [drm:drm_mode_setcrtc] [CRTC:29]
>[   46.987507] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   46.987515] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 1 scaler_users = 0x0
>[   46.987526] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.987555] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598bc00 need = 0 avail = 1 scaler_users = 0x0
>[   46.987563] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   46.987597] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 2 scaler_users = 0x0
>[   46.987622] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   46.987627] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   46.988823] [drm:drm_mode_setcrtc] [CRTC:29]
>[   46.988833] [drm:drm_mode_setcrtc] [CONNECTOR:45:HDMI-A-1]
>[   46.988863] [drm:connected_sink_compute_bpp] [CONNECTOR:45:HDMI-A-1] checking for sink bpp constrains
>[   46.988867] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[   46.988880] [drm:intel_hdmi_compute_config] picking bpc to 8 for HDMI output
>[   46.988886] [drm:intel_hdmi_compute_config] forcing pipe bpc to 24 for HDMI
>[   46.988891] [drm:intel_modeset_pipe_config] plane bpp: 36, pipe bpp: 24, dithering: 0
>[   46.988898] [drm:intel_dump_pipe_config] [CRTC:29][modeset] config ffff88008598f400 for pipe C
>[   46.988902] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[   46.988906] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[   46.988911] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   46.988917] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[   46.988924] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[   46.988928] [drm:intel_dump_pipe_config] audio: 1, infoframes: 1
>[   46.988931] [drm:intel_dump_pipe_config] requested mode:
>[   46.988940] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x0 0x9
>[   46.988943] [drm:intel_dump_pipe_config] adjusted mode:
>[   46.988950] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x0 0x9
>[   46.988956] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x0 flags: 0x9
>[   46.988961] [drm:intel_dump_pipe_config] port clock: 297000
>[   46.988967] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[   46.988971] [drm:intel_dump_pipe_config] num_scalers: 1, scaler_users: 0x0, scaler_id: -1
>[   46.988976] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[   46.988980] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[   46.988984] [drm:intel_dump_pipe_config] ips: 0
>[   46.988987] [drm:intel_dump_pipe_config] double wide: 0
>[   46.988991] [drm:intel_dump_pipe_config] ddi_pll_sel: 2; dpll_hw_state: ctrl1: 0x5, cfgcr1: 0x0, cfgcr2: 0x0
>[   46.988995] [drm:intel_dump_pipe_config] planes on this crtc
>[   46.989001] [drm:intel_dump_pipe_config] STANDARD PLANE:27 plane: 2.0 idx: 6 disabled, scaler_id = -1
>[   46.989008] [drm:intel_dump_pipe_config] CURSOR PLANE:28 plane: 2.3 idx: 7 disabled, scaler_id = -1
>[   46.989014] [drm:intel_dump_pipe_config] STANDARD PLANE:30 plane: 2.1 idx: 8 disabled, scaler_id = -1
>[   46.989022] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:27] scaler_user index 2.6
>[   46.989039] [drm:intel_get_shared_dpll] CRTC:29 allocated DPLL 2
>[   46.989044] [drm:intel_get_shared_dpll] using DPLL 2 for pipe C
>[   46.989050] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:29] scaler_user index 2.31
>[   46.989056] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598f400 need = 0 avail = 1 scaler_users = 0x0
>[   47.005944] [drm:intel_power_well_enable] enabling DDI B power well
>[   47.005952] [drm:skl_set_power_well] Enabling DDI B power well
>[   47.005959] [drm:intel_enable_shared_dpll] enable DPLL 2 (active 0, on? 0) for crtc 29
>[   47.005963] [drm:intel_enable_shared_dpll] enabling DPLL 2
>[   47.008153] [drm:skylake_pfit_enable] for crtc_state = ffff88008598f400
>[   47.008295] ------------[ cut here ]------------
>[   47.008339] WARNING: CPU: 3 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   47.008343] WARN_ON(!wm_changed)
>[   47.008347] Modules linked in:
>[   47.008352]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   47.008480]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   47.008509] CPU: 3 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   47.008514] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   47.008519]  ffffffffa0340248 ffff88014797b6c8 ffffffff8138bd1d ffff88014797b710
>[   47.008531]  ffff88014797b700 ffffffff81076e56 ffff880035e63000 ffff88014797b798
>[   47.008538]  ffff88014797b84c ffff880035e65000 ffff88016616f380 ffff88014797b760
>[   47.008545] Call Trace:
>[   47.008559]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   47.008579]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   47.008588]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   47.008625]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   47.008659]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   47.008669]  [<ffffffff810c996c>] ? print_time.part.12+0x6c/0x90
>[   47.008676]  [<ffffffff810c99f6>] ? print_prefix+0x66/0xa0
>[   47.008689]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[   47.008724]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   47.008784]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[   47.008851]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[   47.008897]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   47.008933]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   47.008953]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   47.008989]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   47.009023]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[   47.009046]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   47.009077]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[   47.009087]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   47.009098]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   47.009108]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   47.009116]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   47.009123]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   47.009132]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   47.009139]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   47.009147]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   47.009153] ---[ end trace 1eccc4e5610ef2b2 ]---
>[   47.009162] ------------[ cut here ]------------
>[   47.009197] WARNING: CPU: 3 PID: 1996 at /home/shared/kernels/mainline/drivers/gpu/drm/i915/intel_pm.c:3668 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
>[   47.009200] WARN_ON(!wm_changed)
>[   47.009203] Modules linked in:
>[   47.009210]  bnep binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm 8250_dw i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic crc32_pclmul nls_iso8859_1 snd_hda_intel snd_hda_codec snd_hda_core aesni_intel aes_x86_64 snd_hwdep lrw gf128mul glue_helper ablk_helper cryptd snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq serio_raw snd_seq_device snd_timer snd soundcore mei_me mei shpchp intel_lpss_pci hci_uart btbcm btintel bluetooth acpi_als kfifo_buf industrialio winbond_cir rc_core intel_lpss_acpi intel_lpss mac_hid acpi_pad parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci sdhci syscopyarea sysfillrect sysimgblt e1000e
>[   47.009304]  fb_sys_fops drm xhci_pci ahci ptp xhci_hcd pps_core libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel
>[   47.009326] CPU: 3 PID: 1996 Comm: Xorg Tainted: G        W       4.3.0-mainline+ #1
>[   47.009331] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.X104.B01.1511110114 11/11/2015
>[   47.009334]  ffffffffa0340248 ffff88014797b6c8 ffffffff8138bd1d ffff88014797b710
>[   47.009345]  ffff88014797b700 ffffffff81076e56 ffff880035e64000 ffff88014797b798
>[   47.009352]  ffff88014797b84c ffff880035e65000 ffff88016616f380 ffff88014797b760
>[   47.009359] Call Trace:
>[   47.009367]  [<ffffffff8138bd1d>] dump_stack+0x44/0x57
>[   47.009376]  [<ffffffff81076e56>] warn_slowpath_common+0x86/0xc0
>[   47.009386]  [<ffffffff81076edc>] warn_slowpath_fmt+0x4c/0x50
>[   47.009420]  [<ffffffffa028a67e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
>[   47.009454]  [<ffffffffa028a866>] skl_update_wm+0x1d6/0x7f0 [i915]
>[   47.009463]  [<ffffffff810c996c>] ? print_time.part.12+0x6c/0x90
>[   47.009472]  [<ffffffff810c99f6>] ? print_prefix+0x66/0xa0
>[   47.009479]  [<ffffffff810c9b10>] ? msg_print_text+0xe0/0x1a0
>[   47.009513]  [<ffffffffa028be8e>] intel_update_watermarks+0x1e/0x30 [i915]
>[   47.009568]  [<ffffffffa02ebb89>] haswell_crtc_enable+0x479/0xbd0 [i915]
>[   47.009623]  [<ffffffffa02e77a7>] intel_atomic_commit+0x377/0x1380 [i915]
>[   47.009664]  [<ffffffffa00eacaf>] ? drm_atomic_check_only+0x1df/0x540 [drm]
>[   47.009700]  [<ffffffffa00eb047>] drm_atomic_commit+0x37/0x60 [drm]
>[   47.009720]  [<ffffffffa01dc36e>] drm_atomic_helper_set_config+0x38e/0x400 [drm_kms_helper]
>[   47.009757]  [<ffffffffa00dacc4>] drm_mode_set_config_internal+0x64/0x100 [drm]
>[   47.009792]  [<ffffffffa00deb9d>] drm_mode_setcrtc+0xdd/0x4f0 [drm]
>[   47.009817]  [<ffffffffa00d06a5>] drm_ioctl+0x275/0x460 [drm]
>[   47.009849]  [<ffffffffa00deac0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
>[   47.009857]  [<ffffffff810a594c>] ? account_user_time+0x5c/0x80
>[   47.009869]  [<ffffffff811f479d>] do_vfs_ioctl+0x2cd/0x4b0
>[   47.009878]  [<ffffffff8116ccb3>] ? context_tracking_user_exit+0x13/0x20
>[   47.009885]  [<ffffffff810036ca>] ? enter_from_user_mode+0x1a/0x50
>[   47.009892]  [<ffffffff810037f5>] ? syscall_trace_enter_phase1+0xf5/0x160
>[   47.009901]  [<ffffffff811f49f9>] SyS_ioctl+0x79/0x90
>[   47.009911]  [<ffffffff81003bf5>] ? syscall_return_slowpath+0x55/0x150
>[   47.009917]  [<ffffffff81759776>] entry_SYSCALL_64_fastpath+0x16/0x75
>[   47.009922] ---[ end trace 1eccc4e5610ef2b3 ]---
>[   47.009973] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[   47.020288] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   47.020579] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[   47.020594] [drm:intel_enable_pipe] enabling pipe C
>[   47.020617] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:45:HDMI-A-1], [ENCODER:40:TMDS-40]
>[   47.020626] [drm:hsw_audio_codec_enable] Enable audio codec on pipe C, 36 bytes ELD
>[   47.020639] [drm:audio_config_hdmi_pixel_clock] HDMI audio pixel clock setting for 297000 not found, falling back to defaults
>[   47.020644] [drm:audio_config_hdmi_pixel_clock] Configuring HDMI audio for pixel clock 25200 (0x00010000)
>[   47.087624] [drm:intel_connector_check_state] [CONNECTOR:45:HDMI-A-1]
>[   47.087642] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
>[   47.087648] [drm:check_encoder_state] [ENCODER:40:TMDS-40]
>[   47.087652] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
>[   47.087657] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
>[   47.087661] [drm:check_encoder_state] [ENCODER:44:DP MST-44]
>[   47.087664] [drm:check_encoder_state] [ENCODER:47:TMDS-47]
>[   47.087668] [drm:check_encoder_state] [ENCODER:49:DP MST-49]
>[   47.087672] [drm:check_encoder_state] [ENCODER:50:DP MST-50]
>[   47.087675] [drm:check_encoder_state] [ENCODER:51:DP MST-51]
>[   47.087680] [drm:check_crtc_state] [CRTC:29]
>[   47.087711] [drm:check_shared_dpll_state] DPLL 1
>[   47.087717] [drm:check_shared_dpll_state] DPLL 2
>[   47.087723] [drm:check_shared_dpll_state] DPLL 3
>[   47.087813] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598bc00 need = 0 avail = 1 scaler_users = 0x0
>[   47.087837] [drm:skl_detach_scaler] CRTC:29 Disabled scaler id 2.0
>[   47.087902] [drm:intel_atomic_setup_scalers] crtc_state = ffff88008598f400 need = 0 avail = 2 scaler_users = 0x0
>[   47.087927] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   47.087932] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   47.148982] [drm:intel_atomic_setup_scalers] crtc_state = ffff880085989c00 need = 0 avail = 2 scaler_users = 0x0
>[   47.148999] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.0
>[   47.149002] [drm:skl_detach_scaler] CRTC:21 Disabled scaler id 0.1
>[   47.149021] [drm:skl_wm_flush_pipe] flush pipe B (pass 2)
>[   47.153819] [drm:skl_wm_flush_pipe] flush pipe C (pass 2)
>[   47.153919] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)

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