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| author |   David Stevens <stevensd@chromium.org> | 2021-08-11 13:04:01 +0900 |
|---|---|---|
| committer |   Gerd Hoffmann <kraxel@redhat.com> | 2021-08-12 14:58:31 +0200 |
| commit | 3c383a3688b7d8bc83ed22b36d0fb50db0bd2608 (patch) | |
| tree | 5f4f5d2e487b15db941bbde333f4c97e1faa7bdc | |
| parent | udmabuf: fix general protection fault in udmabuf_create (diff) | |
| download | linux-dev-3c383a3688b7d8bc83ed22b36d0fb50db0bd2608.tar.xz linux-dev-3c383a3688b7d8bc83ed22b36d0fb50db0bd2608.zip | |
drm/virtio: set non-cross device blob uuid_state
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>
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_prime.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |