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drm/virtio: set non-cross device blob uuid_state

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Blob resources without the cross device flag don't have a uuid to share
with other virtio devices. When exporting such blobs, set uuid_state to
STATE_ERR so that virtgpu_virtio_get_uuid doesn't hang.

Signed-off-by: David Stevens <stevensd@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20210811040401.1264234-1-stevensd@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
David Stevens 2021-08-11 13:04:01 +09:00 committed by Gerd Hoffmann
parent b9770b0b6e
commit 3c383a3688
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/virtio/virtgpu_prime.c
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@ -98,6 +98,8 @@ struct dma_buf *virtgpu_gem_prime_export(struct drm_gem_object *obj,
} else {
bo->uuid_state = STATE_ERR;
}
} else if (!(bo->blob_flags & VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE)) {
bo->uuid_state = STATE_ERR;
}
exp_info.ops = &virtgpu_dmabuf_ops.ops;