diff --git a/drivers/video/rockchip/mpp/mpp_common.c b/drivers/video/rockchip/mpp/mpp_common.c
index 0f7bac8c1e47..f3e7fadfb0d4 100644
--- a/drivers/video/rockchip/mpp/mpp_common.c
+++ b/drivers/video/rockchip/mpp/mpp_common.c
@@ -375,9 +375,9 @@ static void mpp_session_deinit_default(struct mpp_session *session)
 		mpp_session_clear(mpp, session);
 
 		if (session->dma) {
-			mpp_iommu_down_read(mpp->iommu_info);
+			mpp_iommu_down_write(mpp->iommu_info);
 			mpp_dma_session_destroy(session->dma);
-			mpp_iommu_up_read(mpp->iommu_info);
+			mpp_iommu_up_write(mpp->iommu_info);
 			session->dma = NULL;
 		}
 	}
@@ -1888,9 +1888,9 @@ int mpp_task_finalize(struct mpp_session *session,
 				 &task->mem_region_list,
 				 reg_link) {
 		if (!mem_region->is_dup) {
-			mpp_iommu_down_read(mpp->iommu_info);
+			mpp_iommu_down_write(mpp->iommu_info);
 			mpp_dma_release(session->dma, mem_region->hdl);
-			mpp_iommu_up_read(mpp->iommu_info);
+			mpp_iommu_up_write(mpp->iommu_info);
 		}
 		list_del_init(&mem_region->reg_link);
 	}