Seems to be some rare race condition or something then i guess?
im on 535.54.03 with RTX 3080 and Steam works without any issues for me.
have 2 1440p monitors with 165hz and 144hz and dont have any black flickering either
Distro: Arch Linux
Display Server: X11
DE: MATE
CPU: AMD 5800X3D
GPU RTX 3080
Driver. 535.54.03