Nvidia error GTX 1050 on Dell XPS 15 (9650) laptop

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OK, need some noob help:

I’m initializing nvidia only, but the i915 driver is loading. If I go into nix repl, I can see:

nix-repl> outputs.nixosConfigurations.xps15.config.boot.kernelParams
[ "nohibernate" "loglevel=4" ]
nix-repl> outputs.nixosConfigurations.xps15.config.boot.blacklistedKernelModules
[ "usblp" "nouveau" "nvidiafb" ]

However, in my branch of the nixos-hardware, I am calling:

  imports = [
    ../../../../common/gpu/nvidia
    ../../../../common/gpu/intel/disable.nix
    ../xps-common.nix
  ];

which should be setting (via nixos-hardware/common/gpu/intel/disable.nix):

  boot.blacklistedKernelModules = lib.mkDefault [ "i915" ];
  boot.kernelParams = lib.mkDefault [ "i915.modeset=0" ];

In my configuration.nix -> hardware-configuration.nix, there is this:

  boot.kernelModules = [ ];

Does this reset things?

I’m initializing like this:

      nixosConfigurations = {
        xps15 = nixpkgs-unstable.lib.nixosSystem {
          specialArgs = { inherit inputs outputs self; }; # Pass flake inputs to our config
          system = "x86_64-linux";
          modules = [
            # > Our main nixos configuration file <
            ./hosts/xps15/configuration.nix
            nixos-hardware-test.outputs.nixosModules.dell-xps-15-9560-nvidia
            home-manager.nixosModules.home-manager
            {
              home-manager = {
                extraSpecialArgs = { inherit inputs outputs; };
                users = {
                  mcrowe = import ./home-manager;
                };
              };
            }
          ];
        };
      };
    };