drm/amdgpu/ucode: add default behavior

Default to PSP ucode loading unless the user specifies
direct.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

@@ -416,10 +416,11 @@ amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int load_type)
 		else
 			return AMDGPU_FW_LOAD_PSP;
 	default:
-		DRM_ERROR("Unknown firmware load type\n");
-	}
-
+		if (!load_type)
 			return AMDGPU_FW_LOAD_DIRECT;
+		else
+			return AMDGPU_FW_LOAD_PSP;
+	}
 }
 
 const char *amdgpu_ucode_name(enum AMDGPU_UCODE_ID ucode_id)