fixes and nvidia

modules/nixos/nvidia.nix

@@ -0,0 +1,64 @@
+{
+    config,
+    lib,
+    pkgs,
+    ...
+}:
+{
+
+  # Enable OpenGL
+  hardware.opengl = {
+    enable = true;
+  };
+
+  # Load nvidia driver for Xorg and Wayland
+  services.xserver.videoDrivers = ["nvidia"];
+
+  hardware.nvidia = {
+    # manually specify the driver version
+    package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
+      version = "555.58.02";
+      sha256_64bit = "sha256-xctt4TPRlOJ6r5S54h5W6PT6/3Zy2R4ASNFPu8TSHKM=";
+      sha256_aarch64 = "sha256-8hyRiGB+m2hL3c9MDA/Pon+Xl6E788MZ50WrrAGUVuY=";
+      openSha256 = "sha256-8hyRiGB+m2hL3c9MDA/Pon+Xl6E788MZ50WrrAGUVuY=";
+      settingsSha256 = "sha256-ZpuVZybW6CFN/gz9rx+UJvQ715FZnAOYfHn5jt5Z2C8=";
+      persistencedSha256 = "sha256-xctt4TPRlOJ6r5S54h5W6PT6/3Zy2R4ASNFPu8TSHKM=";
+    };
+
+    # 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;
+
+    open = false;
+
+    # Enable the Nvidia settings menu,
+	  # accessible via `nvidia-settings`.
+    nvidiaSettings = true;
+  };
+
+  ## See https://nixos.wiki/wiki/Nvidia
+  hardware.nvidia.prime = {
+		intelBusId = "PCI:0:2:0";
+		nvidiaBusId = "PCI:1:0:0";
+
+    ## Reverse PRIME synchronization
+    reverseSync.enable = true;
+    # Enable if using an external GPU
+    allowExternalGpu = false;
+
+    ## Alternatively enable offloading
+    # offload = {
+		# 	enable = true;
+		# 	enableOffloadCmd = true;
+		# };
+	};
+}