Bug 84899

Summary: [BYT]DP hotplug doesn't work
Product: DRI Reporter: fangxun <xunx.fang>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED NOTABUG QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: high CC: intel-gfx-bugs
Version: unspecified   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg file none

Description fangxun 2014-10-11 07:21:45 UTC 
Created attachment 107699 [details]
dmesg file

==System Environment==
--------------------------
Regression: Not sure.
We will further investigate it later. 

Non-working platforms: BYT

==kernel==
--------------------------
origin/drm-intel-nightly: ea4bec8e96ea8b33b49a7892c1c7f20041a56da6(fails)
    drm-intel-nightly: 2014y-10m-09d-07h-58m-45s UTC integration manifest
origin/drm-intel-next-queued: a128efeaa64609a9672b51bb37bb703e1b0f0128(fails)
    drm/i915: Suppress no action noise from oom shrinker
origin/drm-intel-fixes: bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9(fails)
    Linux 3.17

==Bug detailed description==
Start system with eDP, then plug DP, DP monitor unable to light up.
If start system with DP, DP hotplug works.


==Reproduce steps==
---------------------------- 
1. Boot with edp
2. plug DP
Comment 1 Jesse Barnes 2014-12-10 20:35:46 UTC 
Have you been able to test this further?  Is it still an issue?  Is it a regression?
Comment 2 fangxun 2014-12-12 08:32:35 UTC 
It is not an issue. I will close this bug.
Comment 3 Yi Sun 2014-12-15 01:28:30 UTC 
BTW, it seems we have NOT any BYT with DP enabled, but only eDP, HDMI and VGA.

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