https://bugs.kde.org/show_bug.cgi?id=489050
Zamundaaa <xaver.h...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REPORTED |RESOLVED
Component|wayland-generic |performance
Resolution|--- |UPSTREAM
Summary|KWin performance drops |KWin performance drops
|while Adaptive Sync is set |while Adaptive Sync is set
|to "Automatic" |to "Always"
--- Comment #6 from Zamundaaa <xaver.h...@gmail.com> ---
(In reply to Leonardo from comment #2)
> If you need more information, just ask, i'll gladly provide :)
I can reproduce that issue with Doom 2016, it'll go down in refresh rate to
60Hz, but it also goes back up again after 10-20s on my PC. Please make a
separate bug report about that, it'll be unrelated to this one.
(In reply to Davut from comment #0)
> I attached a video demonstrating how a discord start up effects the
> performance of KWin while using adaptive sync in automatic mode. I realized
> this issue as soon as 6.1 released since i am used to use kwin on 144fps and
> it drops down to about 60 or less.
This is expected; with adaptive sync set to always, KWin drops the refresh rate
of the screen down to the focused window if that window is doing at least 30fps
itself.
With Electron apps like Discord specifically, they do not handle adaptive sync
correctly, which is why they'll be rendering only at 60Hz. It'll be fixed
eventually in Chromium / Electron.
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