diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index c1d62e4f4ca7..e383cf922eaa 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -990,6 +990,8 @@ static struct drm_driver rockchip_drm_driver = {
 	.gem_prime_vmap		= rockchip_gem_prime_vmap,
 	.gem_prime_vunmap	= rockchip_gem_prime_vunmap,
 	.gem_prime_mmap		= rockchip_gem_mmap_buf,
+	.gem_prime_begin_cpu_access = rockchip_gem_prime_begin_cpu_access,
+	.gem_prime_end_cpu_access = rockchip_gem_prime_end_cpu_access,
 	.fops			= &rockchip_drm_driver_fops,
 	.name	= DRIVER_NAME,
 	.desc	= DRIVER_DESC,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index c995a4738fc2..78be73b08269 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -427,7 +427,7 @@ static void rockchip_gem_release_object(struct rockchip_gem_object *rk_obj)
 	kfree(rk_obj);
 }
 
-struct rockchip_gem_object *
+static struct rockchip_gem_object *
 	rockchip_gem_alloc_object(struct drm_device *drm, unsigned int size)
 {
 	struct rockchip_gem_object *rk_obj;
@@ -697,3 +697,31 @@ void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
 
 	/* Nothing to do if allocated by DMA mapping API. */
 }
+
+int rockchip_gem_prime_begin_cpu_access(struct drm_gem_object *obj,
+					enum dma_data_direction dir)
+{
+	struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
+	struct drm_device *drm = obj->dev;
+
+	if (!rk_obj->sgt)
+		return 0;
+
+	dma_sync_sg_for_cpu(drm->dev, rk_obj->sgt->sgl,
+			    rk_obj->sgt->nents, dir);
+	return 0;
+}
+
+int rockchip_gem_prime_end_cpu_access(struct drm_gem_object *obj,
+				   enum dma_data_direction dir)
+{
+	struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
+	struct drm_device *drm = obj->dev;
+
+	if (!rk_obj->sgt)
+		return 0;
+
+	dma_sync_sg_for_device(drm->dev, rk_obj->sgt->sgl,
+			       rk_obj->sgt->nents, dir);
+	return 0;
+}
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
index d41fa65219d2..ee35f723c17c 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
@@ -58,4 +58,10 @@ void rockchip_gem_free_object(struct drm_gem_object *obj);
 int rockchip_gem_dumb_create(struct drm_file *file_priv,
 			     struct drm_device *dev,
 			     struct drm_mode_create_dumb *args);
+
+int rockchip_gem_prime_begin_cpu_access(struct drm_gem_object *obj,
+					enum dma_data_direction dir);
+
+int rockchip_gem_prime_end_cpu_access(struct drm_gem_object *obj,
+				      enum dma_data_direction dir);
 #endif /* _ROCKCHIP_DRM_GEM_H */