drm/virtio: simplify getting fake offset

This is a little simpler.
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20191219005733.18960-4-gurchetansingh@chromium.orgSigned-off-by: Gerd Hoffmann <kraxel@redhat.com>

drivers/gpu/drm/virtio/virtgpu_drv.h

@@ -365,18 +365,12 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
 			     struct virtio_gpu_object_params *params,
 			     struct virtio_gpu_object **bo_ptr,
 			     struct virtio_gpu_fence *fence);
-
 /* virtgpu_prime.c */
 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 u64 virtio_gpu_object_mmap_offset(struct virtio_gpu_object *bo)
-{
-	return drm_vma_node_offset_addr(&bo->base.base.vma_node);
-}
-
-/* virgl debufs */
+/* virgl debugfs */
 int virtio_gpu_debugfs_init(struct drm_minor *minor);
 
 #endif

drivers/gpu/drm/virtio/virtgpu_gem.c

@@ -96,14 +96,12 @@ int virtio_gpu_mode_dumb_mmap(struct drm_file *file_priv,
 			      uint32_t handle, uint64_t *offset_p)
 {
 	struct drm_gem_object *gobj;
-	struct virtio_gpu_object *obj;
 
 	BUG_ON(!offset_p);
 	gobj = drm_gem_object_lookup(file_priv, handle);
 	if (gobj == NULL)
 		return -ENOENT;
-	obj = gem_to_virtio_gpu_obj(gobj);
-	*offset_p = virtio_gpu_object_mmap_offset(obj);
+	*offset_p = drm_vma_node_offset_addr(&gobj->vma_node);
 	drm_gem_object_put_unlocked(gobj);
 	return 0;
 }