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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
commit | 5c1f8cbc70cd5e6867ef6a2a06d27a40daa07010 (patch) | |
tree | a6c0f605be6de3f372ae69905b331f9f75452da7 /nixos/modules/services/hardware/nvidia-optimus.nix | |
parent | 6070bc016bd2fd945b04347e25cfd3738622d2ac (diff) | |
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Move all of NixOS to nixos/ in preparation of the repository merge
Diffstat (limited to 'nixos/modules/services/hardware/nvidia-optimus.nix')
-rw-r--r-- | nixos/modules/services/hardware/nvidia-optimus.nix | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/nixos/modules/services/hardware/nvidia-optimus.nix b/nixos/modules/services/hardware/nvidia-optimus.nix new file mode 100644 index 000000000000..4c0ce794d4f7 --- /dev/null +++ b/nixos/modules/services/hardware/nvidia-optimus.nix @@ -0,0 +1,43 @@ +{ config, pkgs, ... }: + +let kernel = config.boot.kernelPackages; in + +{ + + ###### interface + + options = { + + hardware.nvidiaOptimus.disable = pkgs.lib.mkOption { + default = false; + type = pkgs.lib.types.bool; + description = '' + Completely disable the NVIDIA graphics card and use the + integrated graphics processor instead. + ''; + }; + + }; + + + ###### implementation + + config = pkgs.lib.mkIf config.hardware.nvidiaOptimus.disable { + boot.blacklistedKernelModules = ["nouveau" "nvidia" "nvidiafb"]; + boot.kernelModules = [ "bbswitch" ]; + boot.extraModulePackages = [ kernel.bbswitch ]; + + systemd.services.bbswitch = { + description = "Disable NVIDIA Card"; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = true; + ExecStart = "${kernel.bbswitch}/bin/discrete_vga_poweroff"; + ExecStop = "${kernel.bbswitch}/bin/discrete_vga_poweron"; + }; + path = [ kernel.bbswitch ]; + }; + }; + +} |