[Bug 110417] regression drm-next-5.2-wip: breaks vsync of new Compton xrender backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110417

--- Comment #7 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to tempel.julian from comment #6)
> Ha, curious. I really could never spot any tearing before the 5.2-wip
> branch. Glad that bisecting is not required.
> 
> Well, there is one little exception (independent of the compositor):
> When I turn on RedShift without fading (e.g. "redshift -O 4500"), tearing
> occurs once during enabling/disabling. Happens also with TearFree. Not a big
> deal, just want to mention it once.

I believe that is due to limitations in the atomic API with respect to updates.

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