[Bug 89439] New: [BDW] xterm disappears on HDMI screen if rotate from left to right after S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89439

            Bug ID: 89439
           Summary: [BDW] xterm disappears on HDMI screen if rotate from
                    left to right after S3
           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 114018
  --> https://bugs.freedesktop.org/attachment.cgi?id=114018&action=edit
dmesg log

==System Environment==
--------------------------
Regression: No. Tried on drm-intel-testing-2015-01-30 and still see this issue.

Non-working platforms: BDW
Working platforms: 

==kernel==
--------------------------
-nightly: drm-intel-testing-2015-02-27 commit
f4213123347e2c8027afe113de47ea7627f95cd8 (fails)


==Bug detailed description==
-----------------------------
Boot BDW with HDMI connected. But after suspend and resume, HDMI screen does
not show the xterm with "xrandr --output eDP1 --rotation left --output HDMI1
--rotation right".

==Reproduce steps==
---------------------------- 
1. Connect HDMI display to BDW and boot BDW
2. xinit #This will show xterm on both eDP and HDMI screen
3. xrandr --output eDP1 --rotation left --output HDMI1 --rotation left
4. echo mem > /sys/power/state
5. xrandr --output eDP1 --rotation left --output HDMI1 --rotation right
xterm shows on eDP but disappears on HDMI screen.

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