[Bug 100030] New: [BAT][ILK] WARN in edp_panel_on on CI_DRM_2263

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100030

            Bug ID: 100030
           Summary: [BAT][ILK] WARN in edp_panel_on on CI_DRM_2263
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Staging
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr

The CI_DRM_2263 kernel was broken for fi-ilk-m540 (but not fi-ilk-650). Seems
to have been fixed in CI_DRM_2264.

[  349.670627] [drm:wait_panel_status [i915]] *ERROR* Panel status timeout:
status 90000009 control abcd0000
[  349.749651] ------------[ cut here ]------------
[  349.749676] WARNING: CPU: 3 PID: 8201 at
drivers/gpu/drm/i915/intel_dp.c:2176 edp_panel_on+0x1e7/0x1f0 [i915]
[  349.749678] eDP port A panel power already on
[  349.749680] Modules linked in: vgem intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_hdmi
snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core
lpc_ich snd_pcm mei_me mei i915 sdhci_pci sdhci mmc_core e1000e ptp pps_core
prime_numbers
[  349.749743] CPU: 3 PID: 8201 Comm: kms_cursor_lega Tainted: G     U  W      
4.10.0-CI-CI_DRM_2263+ #1
[  349.749746] Hardware name: Hewlett-Packard HP EliteBook 8440p/172A, BIOS
68CCU Ver. F.24 09/13/2013
[  349.749748] Call Trace:
[  349.749755]  dump_stack+0x67/0x92
[  349.749762]  __warn+0xc6/0xe0
[  349.749766]  warn_slowpath_fmt+0x4a/0x50
[  349.749793]  edp_panel_on+0x1e7/0x1f0 [i915]
[  349.749816]  ? gen5_write32+0x172/0x1f0 [i915]
[  349.749839]  ? intel_dp_program_link_training_pattern+0x9f/0x210 [i915]
[  349.749864]  intel_enable_dp+0x113/0x3a0 [i915]
[  349.749889]  g4x_enable_dp+0x43/0x90 [i915]
[  349.749914]  intel_encoders_enable.isra.62+0x70/0x90 [i915]
[  349.749939]  ironlake_crtc_enable+0x335/0xbb0 [i915]
[  349.749963]  ? ibx_pch_dpll_get_hw_state+0x9c/0xb0 [i915]
[  349.749995]  intel_update_crtc+0x49/0xe0 [i915]
[  349.750021]  intel_update_crtcs+0x6d/0x90 [i915]
[  349.750046]  intel_atomic_commit_tail+0x33b/0x1040 [i915]
[  349.750052]  ? trace_hardirqs_on+0xd/0x10
[  349.750079]  intel_atomic_commit+0x42e/0x540 [i915]
[  349.750087]  drm_atomic_commit+0x46/0x50
[  349.750091]  restore_fbdev_mode+0x149/0x2b0
[  349.750096]  drm_fb_helper_restore_fbdev_mode_unlocked+0x2e/0x70
[  349.750121]  intel_fbdev_restore_mode+0x2f/0x90 [i915]
[  349.750138]  i915_driver_lastclose+0x9/0x10 [i915]
[  349.750141]  drm_lastclose+0x34/0xf0
[  349.750144]  drm_release+0x2ea/0x3a0
[  349.750152]  __fput+0xb4/0x1f0
[  349.750157]  ____fput+0x9/0x10
[  349.750161]  task_work_run+0x79/0xb0
[  349.750166]  do_exit+0x3ef/0xcd0
[  349.750171]  ? entry_SYSCALL_64_fastpath+0x5/0xb1
[  349.750177]  ? __this_cpu_preempt_check+0x13/0x20
[  349.750181]  ? trace_hardirqs_on_caller+0xe7/0x200
[  349.750185]  do_group_exit+0x40/0xc0
[  349.750189]  SyS_exit_group+0xf/0x10
[  349.750192]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[  349.750195] RIP: 0033:0x7f2ce48a0b98
[  349.750197] RSP: 002b:00007ffd3d041c48 EFLAGS: 00000246 ORIG_RAX:
00000000000000e7
[  349.750202] RAX: ffffffffffffffda RBX: ffffffff81481ff3 RCX:
00007f2ce48a0b98
[  349.750204] RDX: 0000000000000000 RSI: 000000000000003c RDI:
0000000000000000
[  349.750206] RBP: ffffc9000135bf88 R08: 00000000000000e7 R09:
ffffffffffffff78
[  349.750208] R10: 00007f2ce1cae1a0 R11: 0000000000000246 R12:
0000000000000000
[  349.750211] R13: 00007f2ce4b99c40 R14: 00007f2ce4b948e0 R15:
0000000000000000
[  349.750215]  ? __this_cpu_preempt_check+0x13/0x20
[  349.750254] ---[ end trace 25a67adc5ffdac37 ]---

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