First implementation for hermes

machines/hermes/gpu.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  environment.systemPackages = with pkgs; [
+    libva-utils
+    vdpauinfo
+  ];
+
+  boot.kernelParams = [ "i915.enable_guc=3" ];
+
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-media-driver
+      vpl-gpu-rt
+    ];
+  };
+
+  hardware.nvidia = {
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+    open = true;
+    nvidiaSettings = true;
+  };
+
+  hardware.nvidia.prime = {
+    intelBusId = "PCI:0:2:0";
+    nvidiaBusId = "PCI:2:0:0";
+  };
+
+  services.xserver.videoDrivers = [
+    "modesetting"
+    "nvidia"
+  ];
+
+  environment.sessionVariables = {
+    LIBVA_DRIVER_NAME = "iHD";
+    VDPAU_DRIVER = "va_gl";
+  };
+}