Bug 74963 - [BYT]DP doesn't display during booting while plugged DP and HDMI
Summary: [BYT]DP doesn't display during booting while plugged DP and HDMI
Status: CLOSED INVALID
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: high major
Assignee: Rodrigo Vivi
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-02-14 07:17 UTC by Guo Jinxian
Modified: 2017-10-06 14:39 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg (54.57 KB, text/plain)
2014-02-14 07:17 UTC, Guo Jinxian 		no flags Details
update dmesg with "drm.debug=0xe" (96.50 KB, text/plain)
2014-02-14 08:54 UTC, Guo Jinxian 		no flags Details
View All

Description Guo Jinxian 2014-02-14 07:17:41 UTC 
Created attachment 94045 [details]
dmesg

Environment:
--------------------------
Platform: BayTrail
Kernel: (drm-intel-testing) 54b927ca040f2adee35f9ee95c9ce40d6be2f0e8


Bug detailed description:
-----------------------------
Booting the OS with DP and HDMI, DP doesn't display at the beginning of booting.

Steps:
---------------------------
Booting the OS with DP and HDMI
Comment 1 Guo Jinxian 2014-02-14 07:36:48 UTC 
It's first time to testing DP port on Baytrail.
Comment 2 Jani Nikula 2014-02-14 08:28:57 UTC 
Please attach dmesg *always* with drm.debug=0xe module parameter. Thank you.
Comment 3 Guo Jinxian 2014-02-14 08:54:45 UTC 
Created attachment 94051 [details]
update dmesg with "drm.debug=0xe"

This bug still can be reproduce on latest -nightly(64fcdb139972db2663469d8799968260fb43a26d)
Comment 4 Guang Yang 2014-02-18 05:05:54 UTC 
I think jinxian make a mistake here, the true behavior is that HDMI+DP can't all light up while loading BIOS step.
Comment 5 Elizabeth 2017-10-06 14:39:58 UTC 
Closing old verified.

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