[Bug 89461] New: [BSW] replug HDMI/DP cable does not light up screen sometimes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89461

            Bug ID: 89461
           Summary: [BSW] replug HDMI/DP cable does not light up screen
                    sometimes
           Product: DRI
           Version: unspecified
          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 114074
  --> https://bugs.freedesktop.org/attachment.cgi?id=114074&action=edit
dmesg log

==System Environment==
--------------------------
BIOS: V55 with 'dynamic memory self refresh' disabled

Regression: No. Also saw this issue on drm-intel-testing-2015-01-30.

Non-working platforms: BSW

==kernel==
--------------------------
-testing: drm-intel-testing-2015-02-27 + attachment 113995 (fails)

==Bug detailed description==
-----------------------------
Replug HDMI/DP cable does not light up screen sometimes, which is quite easy to
reproduce when boots without eDP.

==Reproduce steps==
---------------------------- 
1. Boot without eDP
2. Plug in DP or HDMI cable
3. Check the monitor
4. Unplug the cable
5. Repeast step 2-4, sometime the monitor is black.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20150306/939eca0e/attachment.html>