[PATCH] drm/virtio: set non-cross device blob uuid_state
David Stevens
stevensd at chromium.org
Wed Aug 11 04:04:01 UTC 2021
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 at chromium.org>
---
drivers/gpu/drm/virtio/virtgpu_prime.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c
index 807a27a16365..e45dbf14b307 100644
--- a/drivers/gpu/drm/virtio/virtgpu_prime.c
+++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -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;
--
2.32.0.605.g8dce9f2422-goog
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