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[bugfix] Fixed the error issue when overlaying MTP and full decode on DSV3.1 C8. #7571

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Merged
weijinqian0 merged 4 commits into from
Mar 25, 2026
Merged

[bugfix] Fixed the error issue when overlaying MTP and full decode on DSV3.1 C8. #7571

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53a587a
bugfix: Fixed the error issue when overlaying MTP and full decode on …
pichangping Mar 23, 2026
d5a1ac2
fix CI
pichangping Mar 23, 2026
fa9d361
fix CI
pichangping Mar 23, 2026
f1e482f
Merge branch 'main' into main
pichangping Mar 25, 2026
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7 changes: 6 additions & 1 deletion vllm_ascend/attention/mla_v1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1318,6 +1318,8 @@ def _forward_decode(
sparse_mode = 3
attn_mask = attn_metadata.decode.attn_mask # type:ignore
actual_seq_lengths = decode_meta.actual_seq_lengths_q
if self.fa_quant_layer:
dequant_scale_q_nope = dequant_scale_q_nope.view(num_tokens, self.num_heads)
elif self.fa_quant_layer:
attn_mask = None
input_layout = "BSND_NBSD"
Expand Down Expand Up @@ -1403,7 +1405,10 @@ def _forward_decode(
weak_ref_tensors(softmax_lse),
)
if self.fa_quant_layer:
attn_params = attn_params + (dequant_scale_q_nope, self.fak_descale_float) # type: ignore
attn_params = attn_params + (
weak_ref_tensors(dequant_scale_q_nope),
weak_ref_tensors(self.fak_descale_float),
) # type: ignore
else:
attn_params = attn_params + (None, None) # type: ignore

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