[Bug 110659] pageflipping seems to cause jittering on mouse input when running Hitman 2 in Wine/DXVK with amdgpu.dc=1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110659

--- Comment #27 from tempel.julian at gmail.com ---
(In reply to Michel Dänzer from comment #26)
> It's a kernel issue, not an xf86-video-amdgpu one.
Thanks for clarifying.
I could also reproduce this issue with Doom OpenGL in Steam Play/Proton 4.9. As
soon as I move the mouse enough, there are frametime spikes (the red ones in
the "total" graph):
https://abload.de/img/screenshot_20190710_26sk21.png

When I turn off pageflipping in xorg config, the red spikes there are gone:
https://abload.de/img/screenshot_20190710_2k7k67.png

Luckily, the Vulkan renderer of the game doesn't show the issue. But it once
again makes clear that this bug can affect a wide variety of software in Wine.

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