nixos/system/lenovo-thinkpad-p1.nix

{ config, lib, pkgs, modulesPath, ... }:

{
  boot = {
    initrd = {
      availableKernelModules =
        [ "xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
      luks.devices."enc".device =
        "/dev/disk/by-uuid/1f1e51d6-3084-4f4d-9b4b-6caa0352f542";
    };
    kernelModules = [ "kvm-intel" "nouveau" ];
    supportedFilesystems = [ "btrfs" ];
  };

  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";

  hardware = {
    enableRedistributableFirmware = true;

    # high-resolution display
    video.hidpi.enable = lib.mkDefault true;

    nvidia.prime = {
      offload.enable = true;
      nvidiaBusId = "PCI:1:0:0";
      intelBusId = "PCI:0:2:0";
    };
    opengl = {
      enable = true;
      extraPackages = with pkgs; [
        intel-media-driver # LIBVA_DRIVER_NAME=iHD
        vaapiIntel # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
        vaapiVdpau
        libvdpau-va-gl
      ];
    };

    trackpoint.enable = true;
    trackpoint.emulateWheel = lib.mkDefault config.hardware.trackpoint.enable;
  };

  nixpkgs.config.packageOverrides = pkgs: {
    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
  };

  services.fprintd.enable = true;
  services.hardware.bolt.enable = true;

  fileSystems = {
    "/" = {
      device = "/dev/disk/by-uuid/d9fd201a-f9f5-4d6f-9706-cc698699704d";
      fsType = "btrfs";
      options = [ "subvol=root" "compress=zstd" ];
    };

    "/boot" = {
      device = "/dev/disk/by-uuid/B767-2B7C";
      fsType = "vfat";
    };

    "/home" = {
      device = "/dev/disk/by-uuid/d9fd201a-f9f5-4d6f-9706-cc698699704d";
      fsType = "btrfs";
      options = [ "subvol=home" "compress=zstd" ];
    };

    "/nix" = {
      device = "/dev/disk/by-uuid/d9fd201a-f9f5-4d6f-9706-cc698699704d";
      fsType = "btrfs";
      options = [ "subvol=nix" "compress=zstd" ];
    };

    "/persist" = {
      device = "/dev/disk/by-uuid/d9fd201a-f9f5-4d6f-9706-cc698699704d";
      fsType = "btrfs";
      options = [ "subvol=persist" "compress=zstd" ];
    };

    "/var/log" = {
      device = "/dev/disk/by-uuid/d9fd201a-f9f5-4d6f-9706-cc698699704d";
      fsType = "btrfs";
      options = [ "subvol=log" "compress=zstd" ];
      neededForBoot = true;
    };
  };

  swapDevices =
    [{ device = "/dev/disk/by-uuid/6948f567-03b3-4a38-b3c4-e05e0bbfbf55"; }];
}