1 files changed, 41 insertions, 0 deletions
diff --git a/nixos/modules/hardware/video/bumblebee.nix b/nixos/modules/hardware/video/bumblebee.nix
new file mode 100644
index 00000000000..504da2cde85
--- /dev/null
+++ b/nixos/modules/hardware/video/bumblebee.nix
@@ -0,0 +1,41 @@
+{ config, pkgs, ... }:
+
+let kernel = config.boot.kernelPackages; in
+with pkgs.lib;
+
+{
+
+  options = {
+    hardware.bumblebee.enable = mkOption {
+      default = false;
+      type = types.bool;
+      description = ''
+        Enable the bumblebee daemon to manage Optimus hybrid video cards.
+        This should power off secondary GPU until its use is requested
+        by running an application with optirun.
+
+        Only nvidia driver is supported so far.
+      '';
+    };
+  };
+
+  config = mkIf config.hardware.bumblebee.enable {
+    boot.blacklistedKernelModules = [ "nouveau" "nvidia" ];
+    boot.kernelModules = [ "bbswitch" ];
+    boot.extraModulePackages = [ kernel.bbswitch kernel.nvidia_x11 ];
+
+    environment.systemPackages = [ pkgs.bumblebee ];
+
+    systemd.services.bumblebeed = {
+      description = "Bumblebee Hybrid Graphics Switcher";
+      wantedBy = [ "display-manager.service" ];
+      script = "bumblebeed --use-syslog";
+      path = [ kernel.bbswitch pkgs.bumblebee ];
+      serviceConfig = {
+        Restart = "always";
+        RestartSec = 60;
+        CPUSchedulingPolicy = "idle";
+      };
+    };
+  };
+}