https://bugs.kde.org/show_bug.cgi?id=457735
Bug ID: 457735
Summary: Low fps on the secondary display when playing games
Product: kwin
Version: 5.25.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: rob.tet...@outlook.com
Target Milestone: ---
SUMMARY
When playing a game on that display the framerate is bad even though the game
is reporting 60fps. When I run the same game at the same settings on the
internal laptop display everything works as expected.
OBSERVED RESULT
Kwin has trouble running games on the external monitor smoothly - mangohud
reports 62fps but the gameplay feels more like 30. This issue disappears when
running the game on the internal laptop screen.
EXPECTED RESULT
KWin should run the game same way on the external display like on the internal
display.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Fedora 36
(available in About System)
KDE Plasma Version: 5.25.4
KDE Frameworks Version: 5.96.0
Qt Version: 5.15.5
Device: Lenovo Yoga Slim 7 ProX 14IAH7
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