nixos-config/machines/mimir/hardware-configuration.nix

{ config, pkgs, ... }: {
  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
  boot.initrd.kernelModules = [ "dm-snapshot" ];
  boot.kernelModules = [ "kvm-amd" "apple-mfi-fastcharge" "zenpower" ];
  boot.kernelParams = [ "amd_pstate.shared_mem=1" ];
  boot.extraModulePackages = [ ] ++
    (with config.boot.kernelPackages; [ rtl88x2bu zenpower ]);

  fileSystems."/" = {
    device = "/dev/disk/by-label/nixos";
    fsType = "ext4";
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-label/boot";
    fsType = "vfat";
  };

  fileSystems."/home" = {
    device = "/dev/disk/by-label/home";
    fsType = "ext4";
  };

  fileSystems."/yocto" = {
    device = "/dev/disk/by-label/yocto";
    fsType = "ext4";
  };

  swapDevices =
    [{ device = "/dev/disk/by-label/swap"; }];

  powerManagement.cpuFreqGovernor = "ondemand";
  hardware = {
    video.hidpi.enable = true;
    enableAllFirmware = true;
    nvidia = {
      modesetting.enable = true;
      powerManagement.enable = true;
      forceFullCompositionPipeline = true;
    };

    opengl = {
      driSupport32Bit = true;
      extraPackages = with pkgs; [
        vaapiVdpau
      ];
    };
  };

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

    screenSection = ''
      Option "metamodes" "DP-0: nvidia-auto-select +0+0 {ForceFullCompositionPipeline=On, AllowGSYNCCompatible=On}, DP-4: nvidia-auto-select +3840+0 {ForceFullCompositionPipeline=On, AllowGSYNCCompatible=On}"
      Option "TripleBuffer" "On"
    '';

    libinput = {
      enable = true;
      mouse = {
        naturalScrolling = true;
        accelSpeed = "1.0";
      };
    };
  };
}