[Bug 110138] New: Adaptive Sync, VRR, FreeSync out of range

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Mar 16 02:30:51 UTC 2019


            Bug ID: 110138
           Summary: Adaptive Sync, VRR, FreeSync out of range
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/AMDgpu
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: grmat at sub.red
        QA Contact: xorg-team at lists.x.org

Created attachment 143688
  --> https://bugs.freedesktop.org/attachment.cgi?id=143688&action=edit
raw edid


my monitor has a FreeSync range from 35 to 90 Hz. The maximum supported refresh
rate is 144, which I use by default.

When switching mode to a refresh rate >90 (120 or 144), the monitor's HUD says
that FreeSync is now disabled. On Windows, this is the case.

However, VRR is still being enabled with 144 Hz on Linux 5.0, mesa 19 and
xf86-video-amdgpu 19. It results in heavy artifacts, the timing is broken so
that even the monitor HUD is broken.

I've attached the monitor's EDID.


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