fix nvidia settings, remove prime

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

systems/selinunte/default.nix

@@ -8,7 +8,7 @@
   modules = [
     inputs.nixos-hardware.nixosModules.common-pc
     inputs.nixos-hardware.nixosModules.common-pc-ssd
-    inputs.nixos-hardware.nixosModules.common-gpu-nvidia-sync
+    inputs.nixos-hardware.nixosModules.common-gpu-nvidia
     inputs.nixos-hardware.nixosModules.common-cpu-amd
     inputs.nixos-hardware.nixosModules.common-cpu-amd-pstate
     inputs.nixos-hardware.nixosModules.common-cpu-amd-zenpower

systems/selinunte/graphics.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ config, pkgs, ... }:
 
 {
   hardware.graphics = {
@@ -7,4 +7,34 @@
     enable32Bit = true;
 
   };
+  hardware.nvidia = {
+
+    # Modesetting is required.
+    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 = false;
+
+    # 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+
+    open = false;
+
+    # Enable the Nvidia settings menu,
+    # accessible via `nvidia-settings`.
+    nvidiaSettings = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
 }