Accelerated Video Playback: Difference between revisions

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 See [https://wiki.archlinux.org/index.php/Firefox#Hardware_video_acceleration Firefox#Hardware_video_acceleration (ArchWiki)].
+Mesa requires the kcmp system call to be available. If this is not there, video acceleration will not work (for at least amdgpu users). You can modify the kernel config like this to provide the system call.
+<syntaxHighlight lang=nix>
+  boot.kernelPatches = [ {
+    name = "amdgpu-mesa-fix";
+    patch = null;
+    # https://wiki.archlinux.org/index.php/Firefox#Hardware_video_acceleration
+    extraConfig = ''
+      CHECKPOINT_RESTORE y
+    '';
+   } ];
+</syntaxHighlight>
 ===[[MPV]]===