levi: use nvidia-open

Flake lock file updates:

• Updated input 'impermanence':
    'github:nix-community/impermanence/23c1f06316b67cb5dabdfe2973da3785cfe9c34a' (2024-06-22)
  → 'github:nix-community/impermanence/c7f5b394397398c023000cf843986ee2571a1fd7' (2024-08-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/5e0ca22929f3342b19569b21b2f3462f053e497b' (2024-08-09)
  → 'github:NixOS/nixpkgs/12228ff1752d7b7624a54e9c1af4b222b3c1073b' (2024-08-31)

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "impermanence": {
       "locked": {
-        "lastModified": 1719091691,
-        "narHash": "sha256-AxaLX5cBEcGtE02PeGsfscSb/fWMnyS7zMWBXQWDKbE=",
+        "lastModified": 1724489415,
+        "narHash": "sha256-ey8vhwY/6XCKoh7fyTn3aIQs7WeYSYtLbYEG87VCzX4=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "23c1f06316b67cb5dabdfe2973da3785cfe9c34a",
+        "rev": "c7f5b394397398c023000cf843986ee2571a1fd7",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1723175592,
-        "narHash": "sha256-M0xJ3FbDUc4fRZ84dPGx5VvgFsOzds77KiBMW/mMTnI=",
+        "lastModified": 1725103162,
+        "narHash": "sha256-Ym04C5+qovuQDYL/rKWSR+WESseQBbNAe5DsXNx5trY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e0ca22929f3342b19569b21b2f3462f053e497b",
+        "rev": "12228ff1752d7b7624a54e9c1af4b222b3c1073b",
         "type": "github"
       },
       "original": {

hosts/levi/xorg.nix

@@ -14,6 +14,7 @@
   boot.kernelParams = [ "module_blacklist=i915" ];
   services.xserver.displayManager.gdm.wayland = false;
   services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.nvidia.open = true;
   services.xserver.screenSection = ''
     Option "metamodes" "DP-2: 2560x1440_165 +0+0 {AllowGSYNCCompatible=On}"
   '';