nvidia_only.nix

nvidia_only.nix

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

## This configuration forces exclusive use of NVIDIA in a laptop with NVIDIA+Intel GPUs
{
  imports = [
    # Include the base configuration which setups Intel as primary and NVIDIA through PRIME (primerun)
    ./configuration.nix
  ];

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

  hardware = {
    nvidia.optimus_prime = {
      enable = true;

      # Bus ID of the NVIDIA GPU. You can find it using lspci
      nvidiaBusId = "PCI:1:0:0";

      # Bus ID of the Intel GPU. You can find it using lspci
      intelBusId = "PCI:0:2:0";
    };
    # Also override the settings from configuration.nix
    nvidiaOptimus.disable = false;
  };
}