https://bugzilla.kernel.org/show_bug.cgi?id=194761
--- Comment #81 from Alexander Tsoy (alexander@tsoy.me) --- (In reply to Jean Delvare from comment #80)
I tested the patch from comment #78 and unfortunately I have to report that it doesn't fix the problem for me, checkerboard effect is still present.
It doesn't fix the problem for me as well.