diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_prime.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_prime.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c index eb51a78e1199..8fbf71bd0c5e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_prime.c +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -28,20 +28,16 @@ * device that might share buffers with virtgpu */ -int virtgpu_gem_prime_pin(struct drm_gem_object *obj) +struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) { - WARN_ONCE(1, "not implemented"); - return -ENODEV; -} + struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj); -void virtgpu_gem_prime_unpin(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); -} + if (!bo->tbo.ttm->pages || !bo->tbo.ttm->num_pages) + /* should not happen */ + return ERR_PTR(-EINVAL); -struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) -{ - return ERR_PTR(-ENODEV); + return drm_prime_pages_to_sg(bo->tbo.ttm->pages, + bo->tbo.ttm->num_pages); } struct drm_gem_object *virtgpu_gem_prime_import_sg_table( @@ -68,7 +64,10 @@ void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) } int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, - struct vm_area_struct *area) + struct vm_area_struct *vma) { - return -ENODEV; + struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj); + + bo->gem_base.vma_node.vm_node.start = bo->tbo.vma_node.vm_node.start; + return drm_gem_prime_mmap(obj, vma); } |