Fix nvidia-patch TODO

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/jupiter/hardware/default.nix

@@ -20,10 +20,22 @@
     };
 
     nvidia = {
-      # TODO: Enable
-      # package = pkgs.nvidia-patch.patch-nvenc (
-      #   pkgs.nvidia-patch.patch-fbc config.boot.kernelPackages.nvidiaPackages.stable
-      # );
+      # FIXME: https://github.com/icewind1991/nvidia-patch-nixos/issues/9
+      package =
+        let
+          nvidiaStable = config.boot.kernelPackages.nvidiaPackages.stable;
+          maybeFbc =
+            if builtins.hasAttr nvidiaStable.version pkgs.nvidia-patch-list.fbc then
+              pkgs.nvidia-patch.patch-fbc nvidiaStable
+            else
+              nvidiaStable;
+          nvidiaStableFinal =
+            if builtins.hasAttr nvidiaStable.version pkgs.nvidia-patch-list.nvenc then
+              pkgs.nvidia-patch.patch-nvenc maybeFbc
+            else
+              maybeFbc;
+        in
+        nvidiaStableFinal;
 
       open = true;
       powerManagement.enable = true;