Does /sys/kernel/debug/dri/0/eDP-1/psr_capability (or something similar) say that PSR (panel self-refresh) is enabled? If so then usually disabling PSR will fix such bugs.
Does /sys/kernel/ debug/dri/ 0/eDP-1/ psr_capability (or something similar) say that PSR (panel self-refresh) is enabled? If so then usually disabling PSR will fix such bugs.