[Bug 91843] New: Flicker while enabling Video Overlay

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91843

            Bug ID: 91843
           Summary: Flicker while enabling Video Overlay
           Product: DRI
           Version: DRI git
          Hardware: All
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: william.xie at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 118039
  --> https://bugs.freedesktop.org/attachment.cgi?id=118039&action=edit
flicking problem

We has been analyzing a  bug where we see flicker the first time Video overlay
is used. I have enclosed images which should highlight the issue:
1)6865 -> Everything is GPU composited and in one single buffer.
2)6895 -> Video is moved to a separate buffer and Video plane is enabled first
time. 
3)6906->This is the next frame after Overlay has been initialized first time.

The expected result is that 6895 is same as 6865 and 6906. These images are
taken by me from high speed camera.

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