c
// Assuming drm_client_init is a function where client->dev should be initialized
413 ret = drm_client_init(&adev->ddev, &adev->kfd.client, "kfd", &kfd_client_funcs);
414 if (ret) {
415     dev_err(adev->dev, "Failed to init DRM client: %d\n", ret);
416     return ret;
417 }
418 if (!adev->kfd.client.dev) {
419     adev->kfd.client.dev = &adev->ddev; // Example initialization
420 }
421 drm_client_register(&adev->kfd.client);
