[6/N] pass whole config to inner model (#10205)

Signed-off-by: youkaichao <youkaichao@gmail.com>

vllm/model_executor/models/blip2.py

@@ -23,7 +23,7 @@ from .blip import (BlipVisionModel, dummy_image_for_blip,
                    get_max_blip_image_tokens)
 from .interfaces import SupportsMultiModal, SupportsPP
 from .utils import (AutoWeightsLoader, init_vllm_registered_model,
-                    merge_multimodal_embeddings)
+                    maybe_prefix, merge_multimodal_embeddings)
 
 # We use this internally as placeholders since there is no image token
 # defined on the HuggingFace repo
@@ -483,11 +483,7 @@ def input_processor_for_blip2(ctx: InputContext, inputs: DecoderOnlyInputs):
 @INPUT_REGISTRY.register_input_processor(input_processor_for_blip2)
 class Blip2ForConditionalGeneration(nn.Module, SupportsMultiModal, SupportsPP):
 
-    def __init__(
-        self,
-        vllm_config: VllmConfig,
-        prefix: str = "",
-    ) -> None:
+    def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
 
         super().__init__()
         config = vllm_config.model_config.hf_config
@@ -517,7 +513,7 @@ class Blip2ForConditionalGeneration(nn.Module, SupportsMultiModal, SupportsPP):
         self.language_model = init_vllm_registered_model(
             config.text_config,
             vllm_config=vllm_config,
-            prefix="language_model")
+            prefix=maybe_prefix(prefix, "language_model"))
 
         self.make_empty_intermediate_tensors = (
             self.language_model.make_empty_intermediate_tensors)