[Bug 67455] New: [HSW ULT]Display rotation with X fail to work on two monitors

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67455

          Priority: medium
            Bug ID: 67455
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW ULT]Display rotation with X fail to work on two
                    monitors
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: guang.a.yang at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 83178
  --> https://bugs.freedesktop.org/attachment.cgi?id=83178&action=edit
dmesgwitheDPandHDMI

System Environment:
--------------------------
The machine info is:
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:0a04] 
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:0a26] 

The test environment info is:
Kernel : (drm-intel-nightly)1a7fc2d3e919e151a2e87dd6c98f20eccf95e041
Libdrm: (master)libdrm-2.4.46-2-gfea5408098c3c3057958e85ea9d7146f0b08749e
Mesa: (master)190312949e8ce2c1dc884d4db5d6a44511666641
Xserver:
(master)xorg-server-1.14.99.1-137-g74469895e39fa38337f59edd64c4031ab9bb51d8
Xf86_video_intel: (master)2.21.12-39-g2737aaab77cc6233826077b90d001fe45efc376c
Cairo: (master)03c81d414d4edb710c91f96ddb7dbf73e5432583
Libva: (staging)fbd3de9b22491689c6c3e5f1c305d7af76444e45
Libva_intel_driver: (staging)1caf179b1425b13cacaa421c688c6df8369668c6

Bug detailed description:
-------------------------
Screen rotation is not working with the multi monitor on our HSW ULT STP
machine.
When connecting eDP and HDMI and trying to rotate the screen, HDMI are going
blank, only eDP is rotating. I also try the other combination. With eDP and DP,
only eDP is rotating. With DP and HDMI ,only DP is rotating.

Reproduce steps:
----------------
1.start X.
2.xrandr -o left
3.xrandr -o right

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