From 6dcd036bc3f6f3c610edafc4764651d84c4ca431 Mon Sep 17 00:00:00 2001
From: NullBite <me@nullbite.com>
Date: Fri, 29 Dec 2023 04:37:47 -0500
Subject: [PATCH] Install NVIDIA driver on desktop

---
 flake.nix                             |  1 +
 fragments/hardware/nvidia-modeset.nix | 37 +++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 fragments/hardware/nvidia-modeset.nix

diff --git a/flake.nix b/flake.nix
index cddca88..da09cbb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,6 +27,7 @@
           ./hosts/nullbox/configuration.nix
           ./roles/remote.nix
           ./roles/desktop.nix
+	  ./fragments/hardware/nvidia-modeset.nix
         ];
       };
     };
diff --git a/fragments/hardware/nvidia-modeset.nix b/fragments/hardware/nvidia-modeset.nix
new file mode 100644
index 0000000..04d2dbd
--- /dev/null
+++ b/fragments/hardware/nvidia-modeset.nix
@@ -0,0 +1,37 @@
+{ config, lib, pkgs, ...}:
+{
+  imports = [
+    ../opengl.nix
+  ];
+
+  # Load nvidia driver for Xorg and Wayland
+  services.xserver.videoDrivers = ["nvidia"];
+
+  hardware.nvidia = {
+
+    # Modesetting is required.
+    modesetting.enable = lib.mkDefault true;
+
+    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+    powerManagement.enable = lib.mkDefault 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 = lib.mkDefault 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+
+    # Currently alpha-quality/buggy, so false is currently the recommended setting.
+    open = lib.mkDefault false;
+
+    # Enable the Nvidia settings menu,
+	# accessible via `nvidia-settings`.
+    nvidiaSettings = lib.mkDefault true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = lib.mkDefault config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+}