Add nvidia config

configuration.nix

@@ -245,6 +245,44 @@
         };
     };
 
+    # Nvidia config
+    hardware.graphics.enable = true;
+    services.xserver.videoDrivers = ["nvidia" "amdgpu"];
+    hardware.nvidia = {
+        modesetting.enable = true;
+
+        # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+        # Enable this if you have graphical corruption issues or application crashes after waking
+        # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead 
+        # of just the bare essentials.
+        powerManagement.enable = false;
+
+        # Fine-grained power management. Turns off GPU when not in use.
+        # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+        powerManagement.finegrained = true;
+
+        # Use the NVidia open source kernel module (not to be confused with the
+        # independent third-party "nouveau" open source driver).
+        # Support is limited to the Turing and later architectures. Full list of 
+        # supported GPUs is at: 
+        # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus 
+        # Only available from driver 515.43.04+
+        # Currently alpha-quality/buggy, so false is currently the recommended setting.
+        open = false;
+
+        nvidiaSettings = true;
+
+        prime = {
+            amdgpuBusId = "PCI:4:0:0";
+            nvidiaBusId = "PCI:1:0:0";
+
+            offload = {
+                enable = true;
+                enableOffloadCmd = true;
+            };
+        };
+    };
+
     # Fonts
     fonts = {
         packages = with pkgs; [