Bug 92037 - [SKL-Y regression] blank screen on boot
Summary: [SKL-Y regression] blank screen on boot
Status: CLOSED DUPLICATE of bug 91876
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-09-18 04:36 UTC by Timo Aaltonen
Modified: 2017-07-24 22:45 UTC (History)
1 user (show)

See Also:
i915 platform: SKL
i915 features: display/DP

Attachments
dmesg (211.75 KB, text/plain)
2015-09-18 04:36 UTC, Timo Aaltonen 		no flags Details
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Description Timo Aaltonen 2015-09-18 04:36:11 UTC 
Created attachment 118340 [details]
dmesg

2-in-1 SDP doesn't boot up properly with 4.3-rc1:

[    3.755082] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal timeout (has irq: 1)
!
[    3.771067] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal timeout (has irq: 1)
!
[    3.787066] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal timeout (has irq: 1)
!
[    3.803054] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal timeout (has irq: 1)
!
[    3.819051] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal timeout (has irq: 1)
!
[    3.819076] [drm:intel_dp_aux_ch [i915]] *ERROR* dp_aux_ch not done status 0xad40001f
[    3.843011] ------------[ cut here ]------------
[    3.843046] WARNING: CPU: 1 PID: 42 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_dp.c:
854 intel_dp_aux_ch+0x10c/0x640 [i915]()

worked fine with 4.2+backports
Comment 1 Timo Aaltonen 2015-09-19 06:20:01 UTC 

*** This bug has been marked as a duplicate of bug 91876 ***

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