Tried some mesa stuff

flake.lock

@@ -129,11 +129,28 @@
         "type": "github"
       }
     },
+    "nixpkgs-mesa-pin": {
+      "locked": {
+        "lastModified": 1758035966,
+        "narHash": "sha256-qqIJ3yxPiB0ZQTT9//nFGQYn8X/PBoJbofA7hRKZnmE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8d4ddb19d03c65a36ad8d189d001dc32ffb0306b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "eko": "eko",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-mesa-pin": "nixpkgs-mesa-pin",
         "sops-nix": "sops-nix",
         "zen-browser": "zen-browser"
       }

flake.nix

@@ -23,9 +23,11 @@
       url = "github:kyren223/eko/";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    nixpkgs-mesa-pin.url = "github:nixos/nixpkgs/nixos-unstable";
   };
 
-  outputs = { self, nixpkgs, ... }@inputs: {
+  outputs = { self, nixpkgs, nixpkgs-mesa-pin, ... }@inputs: {
     nixosConfigurations = {
       laptop = nixpkgs.lib.nixosSystem {
         specialArgs = { inherit inputs; };
@@ -39,9 +41,17 @@
           ./hosts/lapsktop.nix
         ];
       };
-      kyren-desktop = nixpkgs.lib.nixosSystem {
+      # kyren-desktop = nixpkgs.lib.nixosSystem {
+      #   system = "x86_64-linux";
+      #   specialArgs = { inherit inputs; };
+      #   modules = [
+      #     ./hosts/desktop.nix
+      #   ];
+      # };
+
+      kyren-desktop = nixpkgs.lib.nixosSystem rec {
         system = "x86_64-linux";
-        specialArgs = { inherit inputs; };
+        specialArgs = { inherit inputs; pkgs-mesa-pin = import nixpkgs-mesa-pin { inherit system; config.allowUnfree = true; }; };
         modules = [
           ./hosts/desktop.nix
         ];

hosts/hardware-configuration-desktop.nix

@@ -9,7 +9,7 @@
     ];
 
   boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
-  boot.initrd.kernelModules = [ ];
+  boot.initrd.kernelModules = [ "amdgpu" ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
@@ -36,4 +36,10 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  hardware.opengl = { enable = true; };
+  services.xserver.videoDrivers = [ "amdgpu" ];
+  # environment.variables = {
+  #   AMD_VULKAN_ICD = "RADV";  # Force Mesa RADV over AMDVLK for better perf
+  # };
 }

modules/gaming.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, config, ... }: {
+{ pkgs, pkgs-mesa-pin, lib, config, ... }: {
 
   options.gaming.enable = lib.mkOption {
     type        = lib.types.bool;
@@ -35,6 +35,8 @@
       osu-lazer-bin
 
       lutris
+    ] ++ [
+      pkgs-mesa-pin.mesa
     ];
 
   };