[Bug 97119] screen distortion under KDE when running without compositor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97119

Johannes Hirte <johannes.hirte at datenkhaos.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|DUPLICATE                   |---

--- Comment #9 from Johannes Hirte <johannes.hirte at datenkhaos.de> ---
Reopening for tracking flickering separately from 97029.

Flickering is happening mostly with amdgpu driver. Sometimes I've observed this
with modesetting too, but I can't trigger it reliable with this driver.

With amdgpu I can trigger this easily by starting a video with mpv and putting
it into fullscreen. Ending the video or the fullscreen mode causes the
flickering around newly created windows. I'll add a screencast how this look
like.

The flickering can be stopped by starting again a video in fullscreen. As long
as the video is on one virtual desktop, everything works like expected. It
doesn't matter if xv, opengl, vdpau or vaapi output is used.

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