From 5c1145e49cd5e751ed9d6977b2d4d9818fad638d Mon Sep 17 00:00:00 2001
From: Florian RICHER <florian.richer@protonmail.com>
Date: Mon, 12 Feb 2024 14:11:22 +0100
Subject: [PATCH] Add nvidia

---
 hosts/perso-laptop/default.nix | 13 +++++++++++
 modules/nvidia.nix             | 40 ++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100644 modules/nvidia.nix

diff --git a/hosts/perso-laptop/default.nix b/hosts/perso-laptop/default.nix
index 1c41123..70c1913 100644
--- a/hosts/perso-laptop/default.nix
+++ b/hosts/perso-laptop/default.nix
@@ -9,6 +9,7 @@
     [
       ../../modules/system.nix
       ../../modules/network.nix
+      ../../modules/nvidia.nix
       ../../modules/plasma.nix
       ../../modules/keymaps/fr.nix
       ../../modules/pipewire.nix
@@ -22,4 +23,16 @@
   boot.loader.efi.canTouchEfiVariables = true;
 
   networking.hostName = "nixos-laptop-perso"; # Define your hostname.
+
+  hardware.nvidia.prime = {
+    offload = {
+			enable = true;
+			enableOffloadCmd = true;
+		};
+		# Make sure to use the correct Bus ID values for your system!
+    # information bus: pci@0000:00:02.0
+		intelBusId = "PCI:0:2:0";
+    # information bus: pci@0000:01:00.0
+		nvidiaBusId = "PCI:1:0:0";
+	};
 }
diff --git a/modules/nvidia.nix b/modules/nvidia.nix
new file mode 100644
index 0000000..993ad2f
--- /dev/null
+++ b/modules/nvidia.nix
@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+
+{
+  # Enable OpenGL
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = 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.
+    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+
+    # Currently alpha-quality/buggy, so false is currently the recommended setting.
+    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;
+  };
+}
\ No newline at end of file