Handle case where hwaccel is not setup

frigate/stats.py

@@ -86,10 +86,13 @@ def get_temperatures() -> dict[str, float]:
 def get_gpu_stats(config: FrigateConfig) -> dict[str, dict]:
     """Parse GPUs from hwaccel args and use for stats."""
     hwaccel_args = set(
-        map(lambda camera: camera.ffmpeg.hwaccel_args, config.cameras.values())
+        map(lambda camera: camera.ffmpeg.hwaccel_args if camera.ffmpeg.hwaccel_args else None, config.cameras.values())
-    )
+    ).remove(None)
     stats: dict[str, dict] = {}
 
+    if not hwaccel_args:
+        return None
+
     for args in hwaccel_args:
         if "cuvid" in args:
             # nvidia GPU

web/src/routes/System.jsx

@@ -134,6 +134,13 @@ export default function System() {
           </div>
 
           <Heading size="lg">GPUs</Heading>
+          {!gpu_usages ? (
+            <div className="p-4">
+              <Link href={'https://docs.frigate.video/configuration/hardware_acceleration'}>
+                Hardware acceleration has not been setup, see the docs to setup hardware acceleration.
+              </Link>
+            </div>
+          ) : (
             <div data-testid="gpus" className="grid grid-cols-1 3xl:grid-cols-3 md:grid-cols-2 gap-4 p-2 px-4">
               {gpuNames.map((gpu) => (
                 <div
@@ -157,6 +164,7 @@ export default function System() {
                 </div>
               ))}
             </div>
+          )}
 
           <Heading size="lg">Cameras</Heading>
           <div data-testid="cameras" className="grid grid-cols-1 3xl:grid-cols-3 md:grid-cols-2 gap-4">