flake/modules/nixos/unfree/nvidia.nix

{
  pkgs,
  lib,
  config,
  ...
}: let
  cfg = config.mods.unfree.nvidia;
in {
  options.mods.unfree.nvidia = {
    enable = lib.mkEnableOption {
      default = false;
      description = "enables proprietary nvidia drivers";
    };
    packages = lib.mkOption {
      default = ["nvidia-x11" "nvidia-settings"];
      description = "unfree packages";
    };
    driver = lib.mkOption {
      default = "stable";
      description = "nvidiaPackages driver kernel package";
    };
  };

  config = lib.mkIf cfg.enable {
    # nixos.wiki/wiki/Nvidia
    # hardware.graphics = {
    #   enable = true;
    #   enable32Bit = true;
    # };

    services.xserver.videoDrivers = ["nvidia"];

    hardware.nvidia = {
      modesetting.enable = true;

      # Set in configuration.nix
      # powerManagement.enable = false;

      powerManagement.finegrained = false;

      open = lib.mkDefault false;
      nvidiaSettings = lib.mkDefault false;

      package = config.boot.kernelPackages.nvidiaPackages."${cfg.driver}";
    };
  };
}