From de4af3398c5ef69a604f221436d74bbfc453359c Mon Sep 17 00:00:00 2001
From: Kyren223 <Kyren223@proton.me>
Date: Thu, 15 May 2025 19:00:20 +0300
Subject: [PATCH] Added nvidia drivers for NixOS so the GPU will actually work
 properly

---
 hosts/desktop.nix   |  1 +
 modules/desktop.nix |  7 +++++++
 modules/nvidia.nix  | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 modules/desktop.nix
 create mode 100644 modules/nvidia.nix

diff --git a/hosts/desktop.nix b/hosts/desktop.nix
index ef02c63..1698ad3 100644
--- a/hosts/desktop.nix
+++ b/hosts/desktop.nix
@@ -5,6 +5,7 @@
     ../modules/common.nix
     ../modules/kde.nix
     ../modules/networking.nix
+    ../modules/desktop.nix
     inputs.home-manager.nixosModules.default
   ];
 
diff --git a/modules/desktop.nix b/modules/desktop.nix
new file mode 100644
index 0000000..5956666
--- /dev/null
+++ b/modules/desktop.nix
@@ -0,0 +1,7 @@
+{ ... }: {
+
+  imports = [
+    ./nvidia.nix
+  ];
+
+}
diff --git a/modules/nvidia.nix b/modules/nvidia.nix
new file mode 100644
index 0000000..9d052ad
--- /dev/null
+++ b/modules/nvidia.nix
@@ -0,0 +1,42 @@
+{ config,  ... }: {
+
+  # 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;
+  };
+
+}