https://bugs.kde.org/show_bug.cgi?id=527515
Bug ID: 527515
Summary: Plasma imporlerly capping frame rate of fullscreen
apps
Classification: Plasma
Product: plasmashell
Version First 6.8.0
Reported In:
Platform: CachyOS
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: generic-performance
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: 1.0
DESCRIPTION
After updating KDE Plasma to 6.8.x, some games, particularly Clone Hero, have
their frame rates capped at the screen refresh rate even if they have a higher
cap set.
STEPS TO REPRODUCE
1. Launch an affected app like Clone Hero
2. Set the in-game frame cap to a high value like 360
3. Enable the FPS counter
OBSERVED RESULT
The FPS counter will show a constant or fluctuating cap at your monitor's
refresh rate, and unsteady frame pacing.
EXPECTED RESULT
The game runs at its free, high rate.
SOFTWARE/OS VERSIONS
Operating System (available in the Info Center app, or by running `kinfo` in a
terminal window): Linux 7.2.11-1-cachyos
KDE Plasma Version: 6.8.0
KDE Frameworks Version: 6.31.0
Qt Version: 6.12.0
ADDITIONAL INFORMATION
My particular system uses an NVIDIA graphics card with the latest nvidia-open
kernel modules.
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