[Bug 102990] New: [BAT][SKL] igt at kms_pipe_crc_basic@suspend-read-crc-pipe-b - dmesg-warn - DC6 already programmed to be enabled.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102990

            Bug ID: 102990
           Summary: [BAT][SKL]
                    igt at kms_pipe_crc_basic@suspend-read-crc-pipe-b -
                    dmesg-warn - DC6 already programmed to be enabled.
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

CI_DRM_3130 on fi-skl-6770hq

[  420.339183] DC6 already programmed to be enabled.
[  420.339193] ------------[ cut here ]------------
[  420.339207] WARNING: CPU: 5 PID: 3185 at
drivers/gpu/drm/i915/intel_runtime_pm.c:609 skl_enable_dc6+0xa4/0xb0 [i915]
[  420.339208] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul snd_hda_intel crc32_pclmul snd_hda_codec snd_hwdep
snd_hda_core ghash_clmulni_intel snd_pcm e1000e prime_numbers mei_me ptp mei
pps_core pinctrl_sunrisepoint i2c_hid pinctrl_intel
[  420.339222] CPU: 5 PID: 3185 Comm: kworker/u16:28 Tainted: G     U         
4.14.0-rc2-CI-CI_DRM_3130+ #1
[  420.339223] Hardware name:                  /NUC6i7KYB, BIOS
KYSKLi70.86A.0042.2016.0929.1933 09/29/2016
[  420.339225] Workqueue: events_unbound async_run_entry_fn
[  420.339226] task: ffff8804a5c98040 task.stack: ffffc90000a48000
[  420.339239] RIP: 0010:skl_enable_dc6+0xa4/0xb0 [i915]
[  420.339240] RSP: 0000:ffffc90000a4ba58 EFLAGS: 00010292
[  420.339242] RAX: 0000000000000025 RBX: ffff88049f320000 RCX:
0000000000000000
[  420.339242] RDX: 0000000080000001 RSI: 0000000000000001 RDI:
ffffffff810eef26
[  420.339243] RBP: ffffc90000a4ba60 R08: 0000000000000001 R09:
0000000000000000
[  420.339244] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88049f320000
[  420.339244] R13: ffffffffa029dc80 R14: ffff88049f320000 R15:
0000000200000000
[  420.339245] FS:  0000000000000000(0000) GS:ffff8804bed40000(0000)
knlGS:0000000000000000
[  420.339246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  420.339246] CR2: 0000000000000000 CR3: 0000000497e49002 CR4:
00000000003606e0
[  420.339247] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[  420.339248] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[  420.339249] Call Trace:
[  420.339262]  gen9_dc_off_power_well_disable+0x31/0x40 [i915]
[  420.339274]  intel_power_well_disable+0x3e/0x50 [i915]
[  420.339287]  intel_display_power_put+0xb5/0x110 [i915]
[  420.339303]  intel_atomic_commit_tail+0x896/0xbf0 [i915]
[  420.339318]  intel_atomic_commit+0x1bd/0x280 [i915]
[  420.339321]  drm_atomic_commit+0x4b/0x50
[  420.339323]  drm_atomic_helper_commit_duplicated_state+0xdf/0x100
[  420.339339]  __intel_display_resume+0x7f/0xc0 [i915]
[  420.339355]  intel_display_resume+0xc7/0x100 [i915]
[  420.339368]  i915_pm_restore+0xf4/0x190 [i915]
[  420.339379]  i915_pm_resume+0xe/0x10 [i915]
[  420.339381]  pci_pm_resume+0x74/0xb0
[  420.339383]  dpm_run_callback+0x6f/0x310
[  420.339385]  ? pci_pm_suspend+0x140/0x140
[  420.339386]  device_resume+0xb4/0x1e0
[  420.339388]  ? dpm_watchdog_set+0x70/0x70
[  420.339390]  async_resume+0x1d/0x50
[  420.339392]  async_run_entry_fn+0x38/0x160
[  420.339394]  process_one_work+0x233/0x660
[  420.339396]  worker_thread+0x4e/0x3b0
[  420.339397]  kthread+0x152/0x190
[  420.339398]  ? process_one_work+0x660/0x660
[  420.339399]  ? kthread_create_on_node+0x40/0x40
[  420.339401]  ret_from_fork+0x27/0x40
[  420.339403] Code: 05 1c 5d 15 00 01 e8 9d 13 f7 e0 0f ff eb 99 80 3d 0b 5d
15 00 00 75 a7 48 c7 c7 88 d9 29 a0 c6 05 fb 5c 15 00 01 e8 7d 13 f7 e0 <0f> ff
eb 90 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 83 bf 30 
[  420.339432] ---[ end trace 5950ed534510f988 ]---
[  420.339741] [drm:gen9_set_dc_state [i915]] *ERROR* DC state mismatch (0x0 ->
0x2)


https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3130/fi-skl-6770hq/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html

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