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tu/drm/virtio: Add missing lock to virtio_bo_init_dmabuf

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Lock vma mutex when freeing iova in virtio_bo_init_dmabuf.

Fixes: f17c5297d7 ("tu: Add virtgpu support")
Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
(cherry picked from commit 28e3fb7052)

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40752>
This commit is contained in:
Valentine Burley 2026-03-19 11:08:08 +01:00 • committed by Eric Engestrom
parent 0b54363202
commit 28f24b21ee
2 changed files with 3 additions and 1 deletions
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2
.pick_status.json
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@ -3874,7 +3874,7 @@
"description": "tu/drm/virtio: Add missing lock to virtio_bo_init_dmabuf",
"nominated": true,
"nomination_type": 2,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "f17c5297d7a01eb37815f96bbf3a87667a2f3261",
"notes": null

2
src/freedreno/vulkan/tu_knl_drm_virtio.cc
View file

@ -847,7 +847,9 @@ virtio_bo_init_dmabuf(struct tu_device *dev,
result =
tu_bo_init(dev, NULL, bo, handle, size, iova, TU_BO_ALLOC_NO_FLAGS, "dmabuf");
if (result != VK_SUCCESS) {
mtx_lock(&dev->vma_mutex);
util_vma_heap_free(&dev->vma, iova, size);
mtx_unlock(&dev->vma_mutex);
memset(bo, 0, sizeof(*bo));
} else {
*out_bo = bo;