mirror of
https://github.com/NixOS/nixos-hardware
synced 2024-11-30 06:49:43 +01:00
8 lines
580 B
Markdown
8 lines
580 B
Markdown
|
# Microsoft Surface Pro 9
|
||
|
|
|
||
|
|
## Note on Intel Panel Self Refresh (PSR)
|
||
|
|
|
||
|
|
Intel GPUs support a feature called [Panel Self Refresh (PSR)](https://www.intel.com/content/www/us/en/support/articles/000057194/graphics.html), where the display refreshes independently of the OS. Out of the box, this can cause lots of display lag, stuttering, and enormous refresh rate drops.
|
||
|
|
|
||
|
|
This configuration disables PSR by adding `i915.enable_psr=0` to the kernel boot parameters, at the cost of some battery life. If you want to turn PSR back on, add `i915.enable_psr=1` to your `boot.kernelParams`.
|