drm/virtio: drop virtio_gpu_object_{ref,unref}

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190829103301.3539-17-kraxel@redhat.com

drivers/gpu/drm/virtio/virtgpu_drv.h

@@ -363,21 +363,6 @@ struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
 	struct drm_device *dev, struct dma_buf_attachment *attach,
 	struct sg_table *sgt);
 
-static inline struct virtio_gpu_object*
-virtio_gpu_object_ref(struct virtio_gpu_object *bo)
-{
-	drm_gem_object_get(&bo->base.base);
-	return bo;
-}
-
-static inline void virtio_gpu_object_unref(struct virtio_gpu_object **bo)
-{
-	if ((*bo) == NULL)
-		return;
-	drm_gem_object_put(&(*bo)->base.base);
-	*bo = NULL;
-}
-
 static inline u64 virtio_gpu_object_mmap_offset(struct virtio_gpu_object *bo)
 {
 	return drm_vma_node_offset_addr(&bo->base.base.vma_node);