pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7let
8 cfg = config.hardware.bumblebee;
9
10 kernel = config.boot.kernelPackages;
11
12 useNvidia = cfg.driver == "nvidia";
13
14 bumblebee = pkgs.bumblebee.override {
15 inherit useNvidia;
16 useDisplayDevice = cfg.connectDisplay;
17 };
18
19 useBbswitch = cfg.pmMethod == "bbswitch" || cfg.pmMethod == "auto" && useNvidia;
20
21 primus = pkgs.primus.override {
22 inherit useNvidia;
23 };
24
25in
26
27{
28
29 options = {
30 hardware.bumblebee = {
31
32 enable = lib.mkOption {
33 default = false;
34 type = lib.types.bool;
35 description = ''
36 Enable the bumblebee daemon to manage Optimus hybrid video cards.
37 This should power off secondary GPU until its use is requested
38 by running an application with optirun.
39 '';
40 };
41
42 group = lib.mkOption {
43 default = "wheel";
44 example = "video";
45 type = lib.types.str;
46 description = "Group for bumblebee socket";
47 };
48
49 connectDisplay = lib.mkOption {
50 default = false;
51 type = lib.types.bool;
52 description = ''
53 Set to true if you intend to connect your discrete card to a
54 monitor. This option will set up your Nvidia card for EDID
55 discovery and to turn on the monitor signal.
56
57 Only nvidia driver is supported so far.
58 '';
59 };
60
61 driver = lib.mkOption {
62 default = "nvidia";
63 type = lib.types.enum [
64 "nvidia"
65 "nouveau"
66 ];
67 description = ''
68 Set driver used by bumblebeed. Supported are nouveau and nvidia.
69 '';
70 };
71
72 pmMethod = lib.mkOption {
73 default = "auto";
74 type = lib.types.enum [
75 "auto"
76 "bbswitch"
77 "switcheroo"
78 "none"
79 ];
80 description = ''
81 Set preferred power management method for unused card.
82 '';
83 };
84
85 };
86 };
87
88 config = lib.mkIf cfg.enable {
89 boot.blacklistedKernelModules = [
90 "nvidia-drm"
91 "nvidia"
92 "nouveau"
93 ];
94 boot.kernelModules = lib.optional useBbswitch "bbswitch";
95 boot.extraModulePackages =
96 lib.optional useBbswitch kernel.bbswitch
97 ++ lib.optional useNvidia kernel.nvidia_x11.bin;
98
99 environment.systemPackages = [
100 bumblebee
101 primus
102 ];
103
104 systemd.services.bumblebeed = {
105 description = "Bumblebee Hybrid Graphics Switcher";
106 wantedBy = [ "multi-user.target" ];
107 before = [ "display-manager.service" ];
108 serviceConfig = {
109 ExecStart = "${bumblebee}/bin/bumblebeed --use-syslog -g ${cfg.group} --driver ${cfg.driver} --pm-method ${cfg.pmMethod}";
110 };
111 };
112 };
113}