[Bug 102683] mpv confuses the frequency scaling, leading to freqyency flapping and missed vsyncs

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 18 01:13:31 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=102683

Niklas Haas <bugs.freedesktop at haasn.xyz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Niklas Haas <bugs.freedesktop at haasn.xyz> ---
Re-testing this I noticed that it's possible */amdgpu_pm_info just delivers
more unrealiable data or something; with GALLIUM_HUD_PERIOD=0
GALLIUM_HUD=shader-clock,gpu-load I noticed it working much better.

As for the “performance issues”, I think it may be because of timers getting
confused due to the change in frequency? Re-testing I can't notice more dropped
frames than usual except at the very beginning, probably due to the very fact
that it does frequency scaling.

I'll close this issue unless I have something more concrete to report.

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