diff --git a/drivers/video/rockchip/mpp/mpp_common.c b/drivers/video/rockchip/mpp/mpp_common.c
index 2ac23651b26f..e7c7e50a994c 100644
--- a/drivers/video/rockchip/mpp/mpp_common.c
+++ b/drivers/video/rockchip/mpp/mpp_common.c
@@ -806,6 +806,15 @@ static int mpp_task_run(struct mpp_dev *mpp,
 	} else {
 		mpp_set_grf(mpp->grf_info);
 	}
+	/*
+	 * for iommu share hardware, should attach to ensure
+	 * working in current device
+	 */
+	ret = mpp_iommu_attach(mpp->iommu_info);
+	if (ret) {
+		dev_err(mpp->dev, "mpp_iommu_attach failed\n");
+		return -ENODATA;
+	}
 
 	mpp_power_on(mpp);
 	mpp_debug_func(DEBUG_TASK_INFO, "pid %d run %s\n",
diff --git a/drivers/video/rockchip/mpp/mpp_iommu.c b/drivers/video/rockchip/mpp/mpp_iommu.c
index db98386da6cd..5ba44f54f5fe 100644
--- a/drivers/video/rockchip/mpp/mpp_iommu.c
+++ b/drivers/video/rockchip/mpp/mpp_iommu.c
@@ -388,6 +388,9 @@ int mpp_iommu_attach(struct mpp_iommu_info *info)
 	if (!info)
 		return 0;
 
+	if (info->domain == iommu_get_domain_for_dev(info->dev))
+		return 0;
+
 	return iommu_attach_group(info->domain, info->group);
 }