---
id: pr-vllm-29614
repo: vllm-project/vllm
pr: 29614
title: '[Bugfix][MM encoder] Fix ViT attention backend resolving for Turing GPU'
author: Isotr0py
date: '2025-11-27'
url: https://github.com/vllm-project/vllm/pull/29614
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 38658ec6f3b3a09a6cd205bab23a550b3d3f8c0e
inclusion_reason: defer
changed_paths:
- vllm/platforms/cuda.py
artifact_dir: evidence/pull-bundles/vllm/gh-29614
head_ref_oid: f83c0569e100b3092ad8a3efe63ec5618868b3cc
---
# [Bugfix][MM encoder] Fix ViT attention backend resolving for Turing GPU

- Repository: `vllm-project/vllm`
- PR: [29614](https://github.com/vllm-project/vllm/pull/29614)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/platforms/cuda.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-29614`
