ThinkPad X270: Disable Panel Self Refresh.

2021-03-09 12:32:58 +08:00 · 2021-03-09 12:32:58 +08:00 · cca70642e8
parent 720d531b1c
commit cca70642e8
1 changed files with 5 additions and 0 deletions
--- a/lenovo/thinkpad/x270/default.nix
+++ b/lenovo/thinkpad/x270/default.nix
@ -3,4 +3,9 @@
    ../.
    ../../../common/cpu/intel
  ];
+
+  boot.kernelParams = [
+    # Disable "Panel Self Refresh".  Fix random freezes.
+    "i915.enable_psr=0"
+  ];
 }