Regression fix to AMD/ROCm from recent change (#2606)

python/sglang/srt/layers/moe/fused_moe_triton/fused_moe.py

@@ -11,12 +11,17 @@ from typing import Any, Callable, Dict, List, Optional, Tuple
 import torch
 import triton
 import triton.language as tl
-from sgl_kernel import moe_align_block_size as sgl_moe_align_block_size
 from vllm import _custom_ops as ops
 
 from sglang.srt.layers.moe.topk import select_experts
 from sglang.srt.layers.quantization.fp8_kernel import per_token_group_quant_fp8
-from sglang.srt.utils import direct_register_custom_op, get_device_name
+from sglang.srt.utils import direct_register_custom_op, get_device_name, is_hip
+
+not_hip = False
+if not is_hip():
+    from sgl_kernel import moe_align_block_size as sgl_moe_align_block_size
+
+    not_hip = True
 
 logger = logging.getLogger(__name__)
 padding_size = 128 if bool(int(os.getenv("MOE_PADDING", "0"))) else 0
@@ -268,7 +273,7 @@ def moe_align_block_size(
     )
     num_tokens_post_pad = torch.empty((1), dtype=torch.int32, device=topk_ids.device)
     # FIXME(zhyncs)
-    if num_experts >= 256:
+    if not_hip and num_experts >= 256:
         sgl_moe_align_block_size(
             topk_ids,
             num_experts,