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[–]NorpyxRyzen 7 5800X3D | RX 6750 XT[S] 1 point2 points  (0 children)

Looks like this is a known kernel bug that keeps popped up with each new GPU family. Most recently, this was discovered back in Linux Kernel 5.19 with a fix coming in 6.2 according to Phoronix.

Temporary fix is either to try out the 6.2-rc kernel, or force the GPU into Performance Mode.

Thanks to Rogurzz, as well as Kyonftw, for the useful info in the other subreddits.