nix-config/hosts/modules/nvidia.nix

{ config, pkgs, ... }:
{
  nixpkgs.config.nvidia.acceptLicense = true;
  services.xserver.videoDrivers = [ "nvidia" ];

  hardware = {
    graphics = {
      enable = true;
      enable32Bit = true;
      extraPackages = with pkgs; [
        egl-wayland
      ];
    };

    opengl = {
      enable = true;
      extraPackages = with pkgs; [
        vaapiVdpau
	libvdpau-va-gl
      ];
    };

    nvidia = {
      package = config.boot.kernelPackages.nvidiaPackages.beta;
      open = false;

      nvidiaSettings = true;
      modesetting.enable = true;
      # dynamicBoost.enable = true;

      powerManagement = {
        enable = false;
        finegrained = false;
      };

      # prime = {
      #   amdgpuBusId = "PCI:05:00:0";
      #   nvidiaBusId = "PCI:01:00:0";
      #   #sync.enable = true;
      #   offload = {
      #     enable = true;
      #     enableOffloadCmd = true;
      #   };
      # };
    };
  };

  # specialisation = {
  #   Battery.configuration = {
  #     system.nixos.tags = [ "Battery" ];

  #     boot.extraModprobeConfig = ''blacklist nouveau options nouveau modeset=0'';
  #     boot.blacklistedKernelModules = [ "nouveau" "nvidia" "nvidia_drm" "nvidia_modeset" ];

  #     services.udev.extraRules = ''
  #       # Remove NVIDIA USB xHCI Host Controller devices, if present
  #       ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c0330", ATTR{power/control}="auto", ATTR{remove}="1"
  #       # Remove NVIDIA USB Type-C UCSI devices, if present
  #       ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c8000", ATTR{power/control}="auto", ATTR{remove}="1"
  #       # Remove NVIDIA Audio devices, if present
  #       ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{power/control}="auto", ATTR{remove}="1"
  #       # Remove NVIDIA VGA/3D controller devices
  #       ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", ATTR{power/control}="auto", ATTR{remove}="1"
  #     '';
  #   };
  # };
}