29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
41 lines
1.1 KiB
Nix
41 lines
1.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let kernel = config.boot.kernelPackages; in
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with lib;
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{
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options = {
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hardware.bumblebee.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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Only nvidia driver is supported so far.
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'';
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};
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};
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config = mkIf config.hardware.bumblebee.enable {
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boot.blacklistedKernelModules = [ "nouveau" "nvidia" ];
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boot.kernelModules = [ "bbswitch" ];
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boot.extraModulePackages = [ kernel.bbswitch kernel.nvidia_x11 ];
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environment.systemPackages = [ pkgs.bumblebee ];
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systemd.services.bumblebeed = {
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description = "Bumblebee Hybrid Graphics Switcher";
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wantedBy = [ "display-manager.service" ];
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script = "bumblebeed --use-syslog";
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path = [ kernel.bbswitch pkgs.bumblebee ];
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serviceConfig = {
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Restart = "always";
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RestartSec = 60;
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CPUSchedulingPolicy = "idle";
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};
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};
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};
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}
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