Nvidia KDE Plasma Wayland Multiple Monitors, 60Hz, 144Hz, and 165Hz, problem with 60Hz monitor frame rate

Hi everyone, I’ve been having an issue lately on KDE Plasma 6.1.4 on Wayland where my 60hz monitor will occasionally become laggy, like the render FPS is dropping to around 40-50 and the mouse movement becomes very laggy, my other 165hz (Primary) and 144hz monitors are unaffected by this and are still buttery smooth. If I run UFO test on the 60Hz monitor while the issue is happening the FPS is about 40-50. I’ve noticed this happens primarily with Firefox being open.

What’s strange to me is I see a lot of reports of the opposite happening where the higher refresh rate monitor will slow down to 60hz but for me it’s the 60hz monitor is having issues not my high refresh rate monitors.

On x11 this issue does not happen, this is only a Wayland issue. Has anyone else experienced this before? It’s very hard to find any information on this and it’s been like this since I switched to Wayland when the Nvidia driver got explicit sync support. I’ve tried the __GL_SYNC_DISPLAY_DEVICE=DP-1 environment variable but that changes nothing.

I’m thinking about buying a 100Hz monitor to replace the 60Hz monitor so I don’t have to deal with this anymore lol

This kernel boot parameter fixed it “nvidia.NVreg_EnableGpuFirmware=0”

1 Like

Oh this fixed it for you i see! :wink:

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