[Bug 93147] [regression bisected] Stuttering in games caused by commit 4dfd6486 "drm: Use vblank timestamps to guesstimate how many vblanks were missed"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93147

--- Comment #9 from Mario Kleiner <mario.kleiner at tuebingen.mpg.de> ---
(In reply to Michel Dänzer from comment #7)
> Mario, can you submit your fix(es) for inclusion?

Still on it. The proper patch for radeon-kms will hopefully be finished and
tested within a day or so. But ideally i'd need some feedback on the line
buffer sizes/partitions/watermarks - see my last e-mail on that. Otherwise i'll
have to use very conservative guesstimates for the fudge constant in the
current patch to be on the safe side.

amdgpu-kms will have the same problem and solution, but i haven't looked into
how to hook that up, with the difference in how the display engine code is
hooked up.

thanks,
-mario

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