https://bugs.kde.org/show_bug.cgi?id=495400
--- Comment #2 from libjared <ja...@perrycode.com> --- I can also reproduce this slowdown consistently. I currently have 1 monitor connected. It can do 144Hz, but I set it to 60Hz in systemsettings. The desktop runs at 60 FPS normally. I also have a Valve Index connected. Once I start VR (regardless of whether monado acquires the display lease via wayland or xlib), and box highlight the desktop to force repainting, the desktop FPS varies wildly anywhere between 30 and 60 FPS. I have the "Show FPS" desktop effect enabled to verify this. While it is true that having multiple monitors all at high refresh rates makes the slowdown much, much worse, it would seem this issue is not strictly exclusive to high-refresh-rate monitors nor multiple monitors. I can also reproduce this issue regardless of which kernel I'm using; have tested with LTS (6.6.58-1) and stable (6.11.5.arch1-1) kernels. I do not see any significant or even measurable uptick in CPU nor GPU usage. I notice that when running the desktop session with X11 instead, no slowdown occurs. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux KDE Plasma Version: 6.2.2-1 KDE Frameworks Version: 6.7.0-1 Qt Version: 6.8.0-1 Wayland desktop, with xwayland also running GPU: AMD 5700 XTX, amdgpu driver -- You are receiving this mail because: You are watching all bug changes.
