https://bugs.kde.org/show_bug.cgi?id=484358
Bug ID: 484358
Summary: Automatic adaptive sync fails to deactivate on exit
Classification: Plasma
Product: kwin
Version: 5.27.11
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: austinkau...@gmail.com
Target Milestone: ---
SUMMARY
Automatic adaptive sync leaves the desktop in a VRR state after closing the
fullscreen application that triggered it. This persists even after disabling
adaptive sync in display settings, but is fixed by switching to another refresh
rate.
STEPS TO REPRODUCE
1. Enable adaptive sync
2. Observe desktop is properly vsynced still
3. Open a fullscreen application
4. Observe application enables VRR as expected
5. Close fullscreen application
5. Observe desktop is stuck in a VRR state (as seen by monitor OSD display and
flickering behavior)
OBSERVED RESULT
Desktop is stuck in incorrect VRR state until the refresh rate is switched to
another and back.
EXPECTED RESULT
Desktop returns to normal vsynced state after closing application
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12
Kernel Version: 6.7.9-204.fsync.fc39.x86_64
Graphics Platform: Wayland
ADDITIONAL INFORMATION
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