Commit 79d683f4 authored by Jörg Thalheim's avatar Jörg Thalheim
Browse files

nixos/facter: add graphics hardware detection 

This adds automatic graphics card configuration:

Builds on PR #456698 (virtualization & firmware).
Part of incremental upstreaming from nixos-facter-modules.
parent 6cfde653

nixos/modules/hardware/facter/default.nix

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
  imports = [

    ./disk.nix

    ./firmware.nix

    ./graphics

    ./keyboard.nix

    ./networking

    ./system.nix

nixos/modules/hardware/facter/graphics/amd.nix

0 → 100644
+18 −0
Original line number Diff line number Diff line 
{ lib, config, ... }:

let

  facterLib = import ../lib.nix lib;

  cfg = config.hardware.facter.detected.graphics.amd;

in

{

  options.hardware.facter.detected.graphics = {

    amd.enable = lib.mkEnableOption "Enable the AMD Graphics module" // {

      default = builtins.elem "amdgpu" (

        facterLib.collectDrivers (config.hardware.facter.report.hardware.graphics_card or [ ])

      );

      defaultText = "hardware dependent";

    };

  };

  config = lib.mkIf cfg.enable {

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

  };

}

nixos/modules/hardware/facter/graphics/default.nix

0 → 100644
+42 −0
Original line number Diff line number Diff line 
{ lib, config, ... }:

let

  facterLib = import ../lib.nix lib;

  cfg = config.hardware.facter.detected.graphics;

in

{

  imports = [

    ./amd.nix

  ];

  options.hardware.facter.detected = {

    graphics.enable = lib.mkEnableOption "Enable the Graphics module" // {

      default = builtins.length (config.hardware.facter.report.hardware.monitor or [ ]) > 0;

      defaultText = "hardware dependent";

    };

    boot.graphics.kernelModules = lib.mkOption {

      type = lib.types.listOf lib.types.str;

      # We currently don't auto import nouveau, in case the user might want to use the proprietary nvidia driver,

      # We might want to change this in future, if we have a better idea, how to handle this.

      default = lib.remove "nouveau" (

        lib.uniqueStrings (

          facterLib.collectDrivers (config.hardware.facter.report.hardware.graphics_card or [ ])

        )

      );

      defaultText = "hardware dependent";

      description = ''

        List of kernel modules to load at boot for the graphics card.

      '';

    };

  };



  config = lib.mkIf cfg.enable (

    {

      boot.initrd.kernelModules = config.hardware.facter.detected.boot.graphics.kernelModules;

    }

    // (

      if lib.versionOlder lib.version "24.11pre" then

        { hardware.opengl.enable = lib.mkDefault true; }

      else

        { hardware.graphics.enable = lib.mkDefault true; }

    )

  );

}