nixos/nvk: init

1 files changed, 34 insertions, 0 deletions

diff --git a/modules/nixos/custom/nvk.nix b/modules/nixos/custom/nvk.nix
new file mode 100644
index 0000000..2178e63
--- /dev/null
+++ b/modules/nixos/custom/nvk.nix
@@ -0,0 +1,34 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.borealis.nvk;
+in
+
+{
+  options.borealis.nvk = {
+    enable = lib.mkEnableOption "an NVK specialisation";
+  };
+
+  config = lib.mkIf cfg.enable {
+    specialisation = {
+      nvk.configuration = {
+        boot = {
+          # required for GSP firmware
+          kernelParams = [ "nouveau.config=NvGspRm=1" ];
+          # we want early KMS
+          # https://wiki.archlinux.org/title/Kernel_mode_setting#Early_KMS_start
+          initrd.kernelModules = [ "nouveau" ];
+        };
+
+        hardware = {
+          graphics.extraPackages = lib.mkForce [ ];
+          nvidia-container-toolkit.enable = lib.mkForce false;
+        };
+
+        services.xserver.videoDrivers = lib.mkForce [ "modesetting" ];
+
+        system.nixos.tags = [ "with-nvk" ];
+      };
+    };
+  };
+}