nixcfg/hosts/petalburg/hardware.nix

{
  config,
  inputs,
  lib,
  pkgs,
  ...
}: {
  boot = {
    initrd = {
      availableKernelModules = ["nvme" "sd_mod" "thunderbolt" "usb_storage" "xhci_pci"];
      kernelModules = ["i915"];
    };

    kernelModules = ["kvm-intel"];
    kernelPackages = pkgs.linuxPackages_latest;
  };

  environment.sessionVariables = {
    LIBVA_DRIVER_NAME = "iHD";
    VDPAU_DRIVER = "va_gl";
  };

  hardware = {
    cpu.intel.updateMicrocode = true;

    enableAllFirmware = true;

    opengl = {
      enable = true;
      driSupport = true;
      driSupport32Bit = 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
      ];

      extraPackages32 = with pkgs.driversi686Linux; [
        intel-media-driver # LIBVA_DRIVER_NAME=iHD
        intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
        libvdpau-va-gl
      ];
    };

    sensor.iio.enable = true; # Enable auto-rotate and tablet mode.
  };

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";

  # Save power/better manage heat & fans.
  powerManagement.powertop.enable = true;

  services = {
    fstrim.enable = true;
    thermald.enable = true;
  };
}