nixcfg/hosts/rustboro/hardware-configuration.nix

{
  config,
  lib,
  pkgs,
  modulesPath,
  inputs,
  ...
}: {
  imports = [
    (modulesPath + "/installer/scan/not-detected.nix")
    inputs.nixos-hardware.nixosModules.common-pc-laptop-ssd
    inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t440p
  ];

  boot.initrd.availableKernelModules = [
    "xhci_pci"
    "ehci_pci"
    "ahci"
    "usb_storage"
    "sd_mod"
    "sr_mod"
    "rtsx_pci_sdmmc"
  ];
  boot.initrd.kernelModules = [];
  boot.kernelModules = ["kvm-intel"];
  boot.extraModulePackages = [];

  fileSystems."/persist" = {neededForBoot = true;};

  # Otherwise, CPU doesn't automatically clock down.
  powerManagement.cpuFreqGovernor = "ondemand";

  # Intel drivers with accelerated video playback support.
  nixpkgs.config.packageOverrides = pkgs: {
    intel-vaapi-driver =
      pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
  };

  hardware.opengl = {
    enable = true;
    extraPackages = with pkgs; [
      intel-media-driver # LIBVA_DRIVER_NAME=iHD
      intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
      libvdpau-va-gl
    ];
  };

  environment.sessionVariables = {
    LIBVA_DRIVER_NAME = "iHD";
  }; # Force intel-media-driver

  networking.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  hardware.cpu.intel.updateMicrocode =
    lib.mkDefault config.hardware.enableRedistributableFirmware;
}