I would edit /etc/default/grub and add i915.enable_psr=0 to the GRUB_CMDLINE_LINUX_DEFAULT line.
Then run:
sudo update-grub
and reboot.
I would edit /etc/default/grub and add i915.enable_psr=0 to the GRUB_CMDLINE_ LINUX_DEFAULT line.
Then run:
sudo update-grub
and reboot.