fix hanging issue when cudagraph is enababled

Signed-off-by: elvischenv <[email protected]>

Author: elvischenv

vllm/utils/flashinfer.py

@@ -228,7 +228,7 @@ def use_trtllm_attention(
 
     if force_use_trtllm is None:
         # Environment variable not set - use auto-detection
-        use_trtllm = (num_tokens <= 256 and max_seq_len < 131072
+        use_trtllm = (num_tokens <= 256 and max_seq_len <= 131072
                       and kv_cache_dtype == "auto")
         if use_trtllm:
             logger.warning_once("Using TRTLLM attention (auto-detected).")