[Bug 98996] Counter Strike: Global Offensive performance on Radeon Polaris

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98996

--- Comment #2 from Christoph Haag <haagch at frickel.club> ---
Created attachment 130804
  --> https://bugs.freedesktop.org/attachment.cgi?id=130804&action=edit
performance with amd-staging-4.9 and mesa git

Screenshot with out of the box performance on latest amd-staging-4.9 and mesa
git.

I've implemented a "low fps" HUD graph
(https://github.com/ChristophHaag/mesa-mesa/commit/10d99ae2b8b87c72dc1c405d6ed3ef4a4eaf537f)
that calculates the FPS based on the longest time between two frames in the
period. Still not completely accurate since it's the time between two hud
update calls, but in my experience a good indicator. You can definitely feel a
slight stutter throughout the game.

echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level
improves it somewhat, but you still do not get smooth gameplay.

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