forked from mirrors/nixpkgs
44 lines
1,016 B
Nix
44 lines
1,016 B
Nix
{ config, pkgs, lib, ... }:
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let kernel = config.boot.kernelPackages; in
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{
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###### interface
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options = {
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hardware.nvidiaOptimus.disable = lib.mkOption {
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default = false;
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type = lib.types.bool;
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description = ''
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Completely disable the NVIDIA graphics card and use the
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integrated graphics processor instead.
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'';
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};
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};
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###### implementation
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config = lib.mkIf config.hardware.nvidiaOptimus.disable {
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boot.blacklistedKernelModules = ["nouveau" "nvidia" "nvidiafb"];
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boot.kernelModules = [ "bbswitch" ];
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boot.extraModulePackages = [ kernel.bbswitch ];
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systemd.services.bbswitch = {
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description = "Disable NVIDIA Card";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${kernel.bbswitch}/bin/discrete_vga_poweroff";
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ExecStop = "${kernel.bbswitch}/bin/discrete_vga_poweron";
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};
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path = [ kernel.bbswitch ];
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};
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};
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}
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