FWIW, I found that reverting the two drm merges (with `git revert -m`) from 5.19-rc1 "fixed" the issue.
- [Intel-gfx] i915 w/5.19: wild flickering glitching tech... Jason A. Donenfeld
- Re: [Intel-gfx] i915 w/5.19: wild flickering glitc... Jason A. Donenfeld
- Re: [Intel-gfx] i915 w/5.19: wild flickering glitc... Saarinen, Jani
- Re: [Intel-gfx] i915 w/5.19: wild flickering g... Jason A. Donenfeld