split into tower and laptop config

modules/system/nvidia.nix

@@ -0,0 +1,31 @@
+{config, pkgs, ...}:
+{
+
+   nixpkgs.config.allowUnfree = true;
+
+   services.xserver.videoDrivers = ["nvidia"];
+   hardware.graphics = {
+     enable = true;
+     enable32Bit = true;
+   };
+
+   hardware.nvidia = {
+    modesetting.enable = true;
+
+    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+    # Enable this if you have graphical corruption issues or application crashes after waking
+    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead 
+    # of just the bare essentials.
+    powerManagement.enable = true;
+
+    # Fine-grained power management. Turns off GPU when not in use.
+    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+    # (requires offloading)
+    powerManagement.finegrained = false;
+
+    open = false;
+    nvidiaSettings = true;
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+
+}