i915.mitigations=off [1]
Buyer beware. The improvement in performance is somewhere near 30%. Turning off
mitigations has security risks [2].
[1]
https://www.phoronix.com/scan.php?page=news_item&px=Intel-i915-mitigations-off-Opt
[1] https://www.phoronix.com/scan.php?page=news_item&px=Intel-iGPU-
> ... and I'm also not sure I have added it in the correct location.
$ man 8 grubby
The flags you want to pay attention to are --args --remove-args, and
--update-kernel=ALL
Or if you prefer to keep editing /etc/default/grub, just make sure you run
$ sudo grub2-mkconfig -o /etc/grub2-efi.cfg
be
