[Bug 87253] New: [BSW drm-intel-fixes]Display is blank after system boots

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87253

            Bug ID: 87253
           Summary: [BSW drm-intel-fixes]Display is blank after system
                    boots
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jeff.zheng at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 110765
  --> https://bugs.freedesktop.org/attachment.cgi?id=110765&action=edit
dmesg with blank display

==System Environment==
--------------------------
Regression: No. I tried 2014_11_22 and still see this issue.

Non-working platforms: BSW

==kernel==
--------------------------
-nightly: 2014_12_12(works)
-queued: 2014_12_12(works)
-fixes: b0616c5306b342ceca07044dbc4f917d95c4f825 (test fails)

==Bug detailed description==
-----------------------------
After BSW booted, the eDP display is blank. I can ssh to the system.
Only see this issue on drm-intel-fixes branch. -nightly and -queued branchs
works.

==Reproduce steps==
---------------------------- 
1. Reboot BSW

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