feat(Hardware): Nvidia GPU Support

machines/mibook/environments.nix

@@ -18,6 +18,7 @@ in
   my.hardware = {
     bluetooth.enable = true;
     sound.enable = false;
+    nvidia.enable = true;
   };
   my.services = {
     vpn.enable = true;

modules/hardware/default.nix

@@ -9,6 +9,7 @@
     #./firmware
     #./graphics
     #./keychron
+    ./nvidia
     #./yubikey
     ./sound
     #./thunderbolt

modules/hardware/nvidia/default.nix

@@ -0,0 +1,53 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.my.hardware.nvidia;
+in
+{
+  options.my.hardware.nvidia = with lib; {
+    enable = mkEnableOption "NVIDIA GPU support";
+  };
+
+  config = lib.mkIf cfg.enable {
+  # Enable OpenGL
+    hardware.graphics = {
+        enable = true;
+    };
+    # Load nvidia driver for Xorg and Wayland
+    services.xserver.videoDrivers = ["nvidia"];
+    hardware.nvidia = {
+
+        # Modesetting is required.
+        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 = false;
+
+        # Fine-grained power management. Turns off GPU when not in use.
+        # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+        powerManagement.finegrained = false;
+
+        # Use the NVidia open source kernel module (not to be confused with the
+        # independent third-party "nouveau" open source driver).
+        # Support is limited to the Turing and later architectures. Full list of 
+        # supported GPUs is at: 
+        # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus 
+        # Only available from driver 515.43.04+
+        open = false;
+
+        # Enable the Nvidia settings menu,
+        # accessible via `nvidia-settings`.
+        nvidiaSettings = true;
+
+        # Optionally, you may need to select the appropriate driver version for your specific GPU.
+        package = config.boot.kernelPackages.nvidiaPackages.stable;
+    };
+  };
+}