pyrox.dev
1{ config, lib, ... }:
2
3let
4 kernel = config.boot.kernelPackages;
5in
6
7{
8
9 ###### interface
10
11 options = {
12
13 hardware.nvidiaOptimus.disable = lib.mkOption {
14 default = false;
15 type = lib.types.bool;
16 description = ''
17 Completely disable the NVIDIA graphics card and use the
18 integrated graphics processor instead.
19 '';
20 };
21
22 };
23
24 ###### implementation
25
26 config = lib.mkIf config.hardware.nvidiaOptimus.disable {
27 boot.blacklistedKernelModules = [
28 "nouveau"
29 "nvidia"
30 "nvidiafb"
31 "nvidia-drm"
32 "nvidia-modeset"
33 ];
34 boot.kernelModules = [ "bbswitch" ];
35 boot.extraModulePackages = [ kernel.bbswitch ];
36
37 systemd.services.bbswitch = {
38 description = "Disable NVIDIA Card";
39 wantedBy = [ "multi-user.target" ];
40 serviceConfig = {
41 Type = "oneshot";
42 RemainAfterExit = true;
43 ExecStart = "${kernel.bbswitch}/bin/discrete_vga_poweroff";
44 ExecStop = "${kernel.bbswitch}/bin/discrete_vga_poweron";
45 };
46 path = [ kernel.bbswitch ];
47 };
48 };
49
50}