diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/hardware/nvidia-optimus.nix')
-rw-r--r-- | nixpkgs/nixos/modules/services/hardware/nvidia-optimus.nix | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/hardware/nvidia-optimus.nix b/nixpkgs/nixos/modules/services/hardware/nvidia-optimus.nix new file mode 100644 index 000000000000..d53175052c74 --- /dev/null +++ b/nixpkgs/nixos/modules/services/hardware/nvidia-optimus.nix @@ -0,0 +1,43 @@ +{ config, lib, ... }: + +let kernel = config.boot.kernelPackages; in + +{ + + ###### interface + + options = { + + hardware.nvidiaOptimus.disable = lib.mkOption { + default = false; + type = lib.types.bool; + description = '' + Completely disable the NVIDIA graphics card and use the + integrated graphics processor instead. + ''; + }; + + }; + + + ###### implementation + + config = lib.mkIf config.hardware.nvidiaOptimus.disable { + boot.blacklistedKernelModules = ["nouveau" "nvidia" "nvidiafb" "nvidia-drm"]; + 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 ]; + }; + }; + +} |