Ignore keys on validate_rope (#33753)

* ignore keys on check rope

* add tests

* fix tests, so maybe better leave at logger lvl

tests/utils/test_modeling_rope_utils.py

@@ -65,6 +65,19 @@ class RopeTest(unittest.TestCase):
                     with self.assertRaises(KeyError):
                         rope_config_validation(config)
 
+        # Any other parameters passed to RoPE will raise a warning that a particular key is not used
+        # But sometimes we can have model-specific RoPE kwargs and bypass warning with `ignore_keys`
+        model_specific_kwarg = "mrope_sections"  # e,g in Qwen2-VL
+
+        for rope_type in all_rope_types:
+            if rope_type == "default":
+                config.rope_scaling = {"rope_type": rope_type, model_specific_kwarg: True}
+                rope_config_validation(config, ignore_keys={model_specific_kwarg})
+                with self.assertLogs("transformers.modeling_rope_utils", level="WARNING") as logs:
+                    rope_config_validation(config)
+                    self.assertEqual(len(logs.output), 1)
+                    self.assertIn(model_specific_kwarg, logs.output[0])
+
     def test_default_rope_function_bc(self):
         config = LlamaConfig()
         device = torch_device