Firstly, I would like to thank the nvidia developers for the push and support for explicit sync, finally we have fully working wayland/xwayland!
Second, about the GSP firmware as the default introduction, this has caused massive lag spikes/framerate skips in the desktop and even made everything feel like it hitches, when it should be smooth.
It can be workaround by adding to the kernel boot parameter the following:
nvidia.NVreg_EnableGpuFirmware=0 which resolves the problem.
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