add amd anti lag

1 files changed, 28 insertions, 0 deletions

diff --git a/system/amdgpu.nix b/system/amdgpu.nix
new file mode 100644
index 0000000..de58a62
--- /dev/null
+++ b/system/amdgpu.nix
@@ -0,0 +1,28 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf;
+  cfg = config.amdgpu;
+in {
+  config = mkIf cfg.enable {
+    # kernel modules
+    boot = {
+      initrd.kernelModules = ["amdgpu"];
+      kernelModules = ["kvm-amd"];
+    };
+
+    # AMD Anti-Lag
+    environment.systemPackages = [ pkgs.low-latency-layer ];
+    environment.etc."vulkan/implicit_layer.d/low_latency_layer.json".source = "${pkgs.low-latency-layer}/share/vulkan/implicit_layer.d/low_latency_layer.json";
+
+    # Configuration
+    environment.variables = {
+      AMD_VULKAN_ICD = "RADV";
+      RADV_ANTILAG = "1";
+      LOW_LATENCY_LAYER = "1";
+    };
+  };
+}