diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_prime.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_prime.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c index 4352f9506440..22ef151410e0 100644 --- a/drivers/gpu/drm/virtio/virtgpu_prime.c +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -28,6 +28,18 @@ * device that might share buffers with virtgpu */ +struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj); + + if (!bo->tbo.ttm->pages || !bo->tbo.ttm->num_pages) + /* should not happen */ + return ERR_PTR(-EINVAL); + + return drm_prime_pages_to_sg(bo->tbo.ttm->pages, + bo->tbo.ttm->num_pages); +} + void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) { struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj); |