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, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c index c59ec34c80a5..8fbf71bd0c5e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_prime.c +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -28,15 +28,23 @@ * 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); + + 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_unpin(struct drm_gem_object *obj) +struct drm_gem_object *virtgpu_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table) { - WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENODEV); } void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) @@ -56,7 +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); } |