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

  hardware = {
    graphics = {
      enable = true;
      enable32Bit = true;
    };

    nvidia = {
      modesetting.enable = true;
      open = false;
      nvidiaSettings = true;

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

      package = config.boot.kernelPackages.nvidiaPackages.vulkan_beta;
/*
      package = let
        rcu_patch = pkgs.fetchpatch {
          url = "https://github.com/gentoo/gentoo/raw/c64caf53/x11-drivers/nvidia-drivers/files/nvidia-drivers-470.223.02-gpl-pfn_valid.patch";
          hash = "sha256-eZiQQp2S/asE7MfGvfe6dA/kdCvek9SYa/FFGp24dVg=";
        };
      in config.boot.kernelPackages.nvidiaPackages.mkDriver {
        version = "535.154.05";
        sha256_64bit = "sha256-fpUGXKprgt6SYRDxSCemGXLrEsIA6GOinp+0eGbqqJg=";
        sha256_aarch64 = "sha256-G0/GiObf/BZMkzzET8HQjdIcvCSqB1uhsinro2HLK9k=";
        openSha256 = "sha256-wvRdHguGLxS0mR06P5Qi++pDJBCF8pJ8hr4T8O6TJIo=";
        settingsSha256 = "sha256-9wqoDEWY4I7weWW05F4igj1Gj9wjHsREFMztfEmqm10=";
        persistencedSha256 = "sha256-d0Q3Lk80JqkS1B54Mahu2yY/WocOqFFbZVBh+ToGhaE=";

        patches = [ rcu_patch ];
      };*/
    };
  };
}