https://bugs.kde.org/show_bug.cgi?id=451300
Bug ID: 451300
Summary: Plasma Wayland Session: Hardware GSYNC with NVIDIA GPU
not working
Product: kwin
Version: 5.24.3
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: apri...@posteo.net
Target Milestone: ---
SUMMARY
Using a Plasma Wayland session, a NVIDIA GPU (RTX 2080) and a GSYNC monitor
(which has a GSYNC hardware module, not FreeSync/VESA-VRR) GSYNC does not work.
In my test with the monitor "ASUS PG279Q" the indication LED on the monitor
should display red to indicate the monitor recognises a GSYNC signal. Instead
it displays a white LED, indicating GSYNC is not active. In Plasma X11 my
monitor LED shows GSYNC as enabled and it is working.
STEPS TO REPRODUCE
1. Start a Plasma Wayland session with an NVIDIA GPU and a GSYNC monitor with a
GSYNC hardware module
2. Observe if the monitor shows via the status LED, FPS counter or other
measure that it is working in GSYNC mode
OBSERVED RESULT
GSYNC does not work
EXPECTED RESULT
GSYNC should work
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.24.3
KDE Frameworks Version: 5.91.0
Qt Version: 5.15.3
NVIDIA proprietary driver: 510.54-5
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