[Bug 86268] New: [BSW] eDP goes black after running tesdisplay

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86268

            Bug ID: 86268
           Summary: [BSW] eDP goes black after running tesdisplay
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Keywords: bisect_pending
          Severity: major
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: li.l.xu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 109444
  --> https://bugs.freedesktop.org/attachment.cgi?id=109444&action=edit
dmesg

==System Environment==
--------------------------
Result on -next-queued 2014-11-13  22ba72f728eaf30e63ded0c0bb0484b4bc6f92d4
Non-working platforms: BSW

==kernel==
--------------------------
origin/drm-intel-nightly: 22ba72f728eaf30e63ded0c0bb0484b4bc6f92d4  


==Bug detailed description==
-----------------------------
We run the testdisplay case with eDP, screen can display correctly. 
But will goes black after all the display. And we can ssh into the machine.


Reproduce steps:
-------------------------
==Reproduce steps==
---------------------------- 
1. cd /GFX/Test/Intel-gpu-tools/intel-gpu-tools/tests
2. ./testdisplay -a

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