[amd] Opt dsv3 moe (#7160)

Co-authored-by: wunhuang <wunhuang@amd.com>

python/sglang/srt/layers/quantization/fp8.py

@@ -82,6 +82,7 @@ _use_aiter = get_bool_env_var("SGLANG_USE_AITER") and _is_hip
 
 if _is_hip:
     from aiter import ActivationType, QuantType
+    from aiter.fused_moe import fused_moe
     from aiter.fused_moe_bf16_asm import asm_moe, ck_moe_2stages
     from aiter.ops.shuffle import shuffle_weight
 
@@ -1062,19 +1063,20 @@ class Fp8MoEMethod:
         if _use_aiter:
             assert not no_combine, f"{no_combine=} is not supported."
             if self.block_quant:
-                # TODO(_use_aiter): FP8 block_quant only supports 'silu' for the time-being.
-                assert (
-                    activation == "silu"
-                ), f"_use_aiter: FP8 bloack_quant {activation=} will be supported later, unset _use_aiter"
-                return asm_moe(
+                return fused_moe(
                     x,
                     layer.w13_weight,
                     layer.w2_weight,
                     topk_weights,
                     topk_ids,
-                    layer.w13_weight_scale_inv,
-                    layer.w2_weight_scale_inv,
-                    block_shape=tuple(self.quant_config.weight_block_size),
+                    w1_scale=layer.w13_weight_scale_inv,
+                    w2_scale=layer.w2_weight_scale_inv,
+                    quant_type=QuantType.per_128x128,
+                    activation=(
+                        ActivationType.Silu
+                        if activation == "silu"
+                        else ActivationType.Gelu
+                    ),
                     expert_mask=None,
                 )
             else: