Bug 108084

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4881/fi-icl-u/igt@debugfs_test@read_all_entries.html

<4> [32.421382] ------------[ cut here ]------------
<4> [32.421385] WARN_ON((val & (1 << ((port) == PORT_F ? 23 : (port) + 10))) == 0)
<4> [32.421436] WARNING: CPU: 0 PID: 984 at drivers/gpu/drm/i915/intel_ddi.c:2758 icl_map_plls_to_ports+0x19e/0x1d0 [i915]
<4> [32.421438] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul i915 ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm e1000e prime_numbers ax88179_178a usbnet mii
<4> [32.421475] CPU: 0 PID: 984 Comm: debugfs_test Tainted: G        W         4.19.0-rc5-CI-CI_DRM_4881+ #1
<4> [32.421477] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2313.A01.1808012121 08/01/2018
<4> [32.421509] RIP: 0010:icl_map_plls_to_ports+0x19e/0x1d0 [i915]
<4> [32.421512] Code: 11 49 8b 85 50 0f 00 00 ba ff ff 7f ff e9 3c ff ff ff 48 c7 c6 30 ef 2d a0 48 c7 c7 ce 68 2b a0 44 89 4c 24 08 e8 c2 5b e5 e0 <0f> 0b 41 83 fc 01 49 8b 85 50 0f 00 00 44 8b 4c 24 08 0f 86 45 ff
<4> [32.421514] RSP: 0018:ffffc90000a9f9c8 EFLAGS: 00010286
<4> [32.421518] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
<4> [32.421520] RDX: 0000000080000001 RSI: ffffffff820c2cb6 RDI: 00000000ffffffff
<4> [32.421521] RBP: ffff8804a9134138 R08: 00000000cbc6e2fb R09: 0000000000000000
<4> [32.421523] R10: 000000000000000a R11: 0000000000000000 R12: 0000000000000000
<4> [32.421525] R13: ffff88049f150000 R14: ffff8804938a4138 R15: ffff88049f159e30
<4> [32.421528] FS:  00007fe965068980(0000) GS:ffff8804b0600000(0000) knlGS:0000000000000000
<4> [32.421530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [32.421532] CR2: 00007f41f59f9c00 CR3: 00000004954b8001 CR4: 0000000000760ef0
<4> [32.421534] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [32.421536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4> [32.421537] PKRU: 55555554
<4> [32.421539] Call Trace:
<4> [32.421574]  haswell_crtc_enable+0x464/0x830 [i915]
<4> [32.421610]  intel_update_crtc+0x54/0x2a0 [i915]
<4> [32.421642]  skl_update_crtcs+0x1de/0x2e0 [i915]
<4> [32.421675]  intel_atomic_commit_tail+0x1ca/0xd20 [i915]
<4> [32.421708]  intel_atomic_commit+0x240/0x320 [i915]
<4> [32.421715]  drm_mode_atomic_ioctl+0x847/0x930
<4> [32.421729]  ? drm_atomic_set_property+0x880/0x880
<4> [32.421733]  drm_ioctl_kernel+0x81/0xf0
<4> [32.421739]  drm_ioctl+0x2e6/0x3a0
<4> [32.421744]  ? drm_atomic_set_property+0x880/0x880
<4> [32.421773]  ? lock_acquire+0xa6/0x1c0
<4> [32.421780]  ? __might_fault+0x39/0x90
<4> [32.421786]  do_vfs_ioctl+0xa0/0x6d0
<4> [32.421791]  ? _copy_to_user+0x56/0x70
<4> [32.421795]  ? __se_sys_sysinfo+0x30/0x60
<4> [32.421801]  ksys_ioctl+0x35/0x60
<4> [32.421806]  __x64_sys_ioctl+0x11/0x20
<4> [32.421810]  do_syscall_64+0x55/0x190
<4> [32.421815]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [32.421818] RIP: 0033:0x7fe96470f5d7
<4> [32.421821] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [32.421824] RSP: 002b:00007fff406e01d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [32.421828] RAX: ffffffffffffffda RBX: 000055d6e4b99a30 RCX: 00007fe96470f5d7
<4> [32.421830] RDX: 00007fff406e0230 RSI: 00000000c03864bc RDI: 0000000000000005
<4> [32.421832] RBP: 00007fff406e0230 R08: 000055d6e4be61f0 R09: 0000000000000067
<4> [32.421834] R10: 0000000000000012 R11: 0000000000000246 R12: 00000000c03864bc
<4> [32.421836] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000400
<4> [32.421846] irq event stamp: 188278
<4> [32.421850] hardirqs last  enabled at (188277): [<ffffffff810f81fa>] console_unlock+0x3fa/0x5f0
<4> [32.421853] hardirqs last disabled at (188278): [<ffffffff81001920>] trace_hardirqs_off_thunk+0x1a/0x1c
<4> [32.421856] softirqs last  enabled at (188120): [<ffffffff81c0031d>] __do_softirq+0x31d/0x483
<4> [32.421860] softirqs last disabled at (188113): [<ffffffff8108c4e9>] irq_exit+0xa9/0xc0
<4> [32.421894] WARNING: CPU: 0 PID: 984 at drivers/gpu/drm/i915/intel_ddi.c:2758 icl_map_plls_to_ports+0x19e/0x1d0 [i915]
<4> [32.421896] ---[ end trace bb93886474888dc3 ]---