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