nixos-hardware/lenovo/legion/16ach6h/default.nix

{ ... }:

{
  imports = [ ./hybrid ];

  specialisation.ddg.configuration = {
    # This specialisation is for the case where "DDG" (Dual-Direct GFX, A hardware feature that can enable in bios) is enabled, since the amd igpu is blocked at hardware level and the built-in display is directly connected to the dgpu, we no longer need the amdgpu and prime configuration.
    system.nixos.tags = [ "Dual-Direct-GFX-Mode" ];
    services.xserver.videoDrivers = [ "nvidia" ]; # This will override services.xserver.videoDrivers = lib.mkDefault [ "amdgpu" "nvidia" ];
    hardware = {
      nvidia.prime.offload.enable = false;
      amdgpu = {
        amdvlk = false;
        opencl = false;
      };
    };
  };
}