[Bug 110659] New: 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

            Bug ID: 110659
           Summary: pageflipping seems to cause jittering on mouse input
                    when running Hitman 2 in Wine/DXVK with amdgpu.dc=1
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/AMDgpu
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: tempel.julian at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 144213
  --> https://bugs.freedesktop.org/attachment.cgi?id=144213&action=edit
xorg log

The jittering is already noticeable in the game's menu. It's most prominent
with vsync enabled, but there is also noticeable jittering in the game when
vsync is turned off. It seems there is no jittering with just keyboard input
instead of mouse.

The issue does not occur when:
-playing the game in windowed mode
-turning off pageflipping in xorg config
-using modesetting driver instead
-using legacy DC via amdgpu.dc=0

I haven't yet encountered this in other games with DXVK.

xorg 1.20.5
xf86-video-amdgpu 19.0.1/-git
mesa-git

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