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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.bumblebee;
kernel = config.boot.kernelPackages;
useNvidia = cfg.driver == "nvidia";
bumblebee = pkgs.bumblebee.override {
inherit useNvidia;
useDisplayDevice = cfg.connectDisplay;
};
useBbswitch = cfg.pmMethod == "bbswitch" || cfg.pmMethod == "auto" && useNvidia;
primus = pkgs.primus.override {
inherit useNvidia;
};
in
{
options = {
hardware.bumblebee = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Enable the bumblebee daemon to manage Optimus hybrid video cards.
This should power off secondary GPU until its use is requested
by running an application with optirun.
'';
};
group = mkOption {
default = "wheel";
example = "video";
type = types.str;
description = "Group for bumblebee socket";
};
connectDisplay = mkOption {
default = false;
type = types.bool;
description = ''
Set to true if you intend to connect your discrete card to a
monitor. This option will set up your Nvidia card for EDID
discovery and to turn on the monitor signal.
Only nvidia driver is supported so far.
'';
};
driver = mkOption {
default = "nvidia";
type = types.enum [ "nvidia" "nouveau" ];
description = ''
Set driver used by bumblebeed. Supported are nouveau and nvidia.
'';
};
pmMethod = mkOption {
default = "auto";
type = types.enum [ "auto" "bbswitch" "switcheroo" "none" ];
description = ''
Set preferred power management method for unused card.
'';
};
};
};
config = mkIf cfg.enable {
boot.blacklistedKernelModules = [ "nvidia-drm" "nvidia" "nouveau" ];
boot.kernelModules = optional useBbswitch "bbswitch";
boot.extraModulePackages = optional useBbswitch kernel.bbswitch ++ optional useNvidia kernel.nvidia_x11.bin;
environment.systemPackages = [ bumblebee primus ];
systemd.services.bumblebeed = {
description = "Bumblebee Hybrid Graphics Switcher";
wantedBy = [ "multi-user.target" ];
before = [ "display-manager.service" ];
serviceConfig = {
ExecStart = "${bumblebee}/bin/bumblebeed --use-syslog -g ${cfg.group} --driver ${cfg.driver} --pm-method ${cfg.pmMethod}";
};
};
};
}
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