[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 #25 from tempel.julian at gmail.com ---
Applying this MR and disabling HW cursor "fixes" the mouse skipping in the menu
of Hitman 2 (as there is a cursor visible and thus pageflipping is turned off):
https://gitlab.freedesktop.org/xorg/driver/xf86-video-amdgpu/merge_requests/38

But in the actual game, there is no cursor visible and so there is severe
stutter again.

I also reported the bug to the wine devs (still I think this is rather a bug of
xf86-video-amdgpu):
https://bugs.winehq.org/show_bug.cgi?id=47428
There I mentioned that setting "MouseWarpOverride = disable" (a wine features
to work around/solve mouse issues) fixes the problem for wined3d/gallium nine.
However, it does not fix the issue in Hitman 2.

The issue in Hitman 2 also is a bit different, as it doesn't seem to have
slowdowns regarding the rendering performance, but instead the mouse input
rather seems to be partially blocked or discarded. But again: This does not
occur without xf86-video-amdgpu or amdgpu.dc=1.

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