[ROCm][Bugfix] fix exception related to trust_remote_code for MiniMax-M2.1-MXFP4 (#37698)

Signed-off-by: Hongxia Yang <hongxiay.yang@amd.com>
Co-authored-by: Hongxia Yang <hongxiay.yang@amd.com>

tests/quantization/test_quark_maybe_update_config.py

@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+"""Unit tests for QuarkConfig.maybe_update_config.
+
+Fetches real HF configs (metadata only, no model weights) to verify
+that dynamic_mxfp4_quant is only enabled for DeepSeek-V3-family models.
+
+Run: pytest tests/quantization/test_quark_maybe_update_config.py -v
+"""
+
+import pytest
+from transformers import AutoConfig
+
+from vllm.model_executor.layers.quantization.quark.quark import QuarkConfig
+
+
+def _make_quark_config() -> QuarkConfig:
+    """Create a minimal QuarkConfig for testing."""
+    return QuarkConfig(quant_config={}, kv_cache_group=[], pack_method="reorder")
+
+
+# ---------------------------------------------------------------------------
+# Non-deepseek models must not flip dynamic_mxfp4_quant
+# ---------------------------------------------------------------------------
+@pytest.mark.parametrize(
+    "model_name",
+    ["amd/MiniMax-M2.1-MXFP4"],
+)
+def test_non_deepseek_model_stays_false(model_name: str):
+    """Non-deepseek_v3 models must not enable dynamic_mxfp4_quant."""
+    hf_config = AutoConfig.from_pretrained(model_name, trust_remote_code=True)
+    qcfg = _make_quark_config()
+
+    qcfg.maybe_update_config(model_name, hf_config=hf_config)
+
+    assert qcfg.dynamic_mxfp4_quant is False
+
+
+# ---------------------------------------------------------------------------
+# DeepSeek-V3 family + fp4 must enable dynamic_mxfp4_quant
+# ---------------------------------------------------------------------------
+@pytest.mark.parametrize(
+    "model_name",
+    ["amd/DeepSeek-R1-MXFP4-ASQ"],
+)
+def test_deepseek_family_fp4_enables_flag(model_name: str):
+    hf_config = AutoConfig.from_pretrained(model_name, trust_remote_code=True)
+    qcfg = _make_quark_config()
+
+    qcfg.maybe_update_config(model_name, hf_config=hf_config)
+
+    assert qcfg.dynamic_mxfp4_quant is True
+
+
+# ---------------------------------------------------------------------------
+# Missing hf_config → warn and stay False
+# ---------------------------------------------------------------------------
+def test_missing_hf_config_stays_false():
+    qcfg = _make_quark_config()
+
+    qcfg.maybe_update_config("some/model")
+
+    assert qcfg.dynamic_mxfp4_quant is False