https://bugs.kde.org/show_bug.cgi?id=483038
Bug ID: 483038
Summary: Screen set to 60Hz but renders at 30FPS
Classification: Plasma
Product: kwin
Version: 6.0.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: mira.j...@gmail.com
Target Milestone: ---
SUMMARY
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When I set my internal screen to 60Hz, the "Show FPS" desktop effect shows
consistent 30FPS, and the image feels laggy. When set to 144Hz, Plasma shows
correctly 144FPS. This issue appears only in Wayland; in X11 the rendering is
just fine.
STEPS TO REPRODUCE
1. Open "Configure display settings..."
2. Set monitor (internal/external) refresh rate to 60Hz.
3. Confirm changes
OBSERVED RESULT
Desktop effect "Show FPS", external tools and personal observation shows that
the rendered screen is in 30FPS and feels laggy.
EXPECTED RESULT
The monitor will render at the same FPS as the refresh rate set in settings.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.0.1
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.7.9-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × 13th Gen Intel® Core™ i5-13420H
Memory: 15,3 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
Manufacturer: LENOVO
Product Name: 82XV
System Version: LOQ 15IRH8
ADDITIONAL INFORMATION
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