[Feature] support mm disable_chunked (#4803)

* support mm disable_chunked

* update code

* update code

* update code

fastdeploy/engine/args_utils.py

@@ -314,6 +314,10 @@ class EngineArgs:
     """
     additional decode block num
     """
+    disable_chunked_mm_input: bool = False
+    """
+    Disable chunked_mm_input for multi-model inference.
+    """
 
     scheduler_name: str = "local"
     """
@@ -936,6 +940,13 @@ class EngineArgs:
             help="ports for rdma communication.",
         )
 
+        perf_group.add_argument(
+            "--disable-chunked-mm-input",
+            action="store_true",
+            default=EngineArgs.disable_chunked_mm_input,
+            help="Disable chunked mm input.",
+        )
+
         # Router parameters group
         router_group = parser.add_argument_group("Router")
         router_group.add_argument(