diff --git a/drivers/video/rockchip/mpp/mpp_common.c b/drivers/video/rockchip/mpp/mpp_common.c
index 63144255eae6..48a7aa55c671 100644
--- a/drivers/video/rockchip/mpp/mpp_common.c
+++ b/drivers/video/rockchip/mpp/mpp_common.c
@@ -625,8 +625,6 @@ int mpp_dev_reset(struct mpp_dev *mpp)
 	mpp_iommu_down_write(mpp->iommu_info);
 	mpp_reset_down_write(mpp->reset_group);
 	atomic_set(&mpp->reset_request, 0);
-	mpp_iommu_detach(mpp->iommu_info);
-
 	rockchip_save_qos(mpp->dev);
 	if (mpp->hw_ops->reset)
 		mpp->hw_ops->reset(mpp);
@@ -638,7 +636,6 @@ int mpp_dev_reset(struct mpp_dev *mpp)
 	 */
 	mpp_iommu_refresh(mpp->iommu_info, mpp->dev);
 
-	mpp_iommu_attach(mpp->iommu_info);
 	mpp_reset_up_write(mpp->reset_group);
 	mpp_iommu_up_write(mpp->iommu_info);
 
diff --git a/drivers/video/rockchip/mpp/mpp_rkvdec2_link.c b/drivers/video/rockchip/mpp/mpp_rkvdec2_link.c
index 4d2048b3803f..1c0b0d9540d2 100644
--- a/drivers/video/rockchip/mpp/mpp_rkvdec2_link.c
+++ b/drivers/video/rockchip/mpp/mpp_rkvdec2_link.c
@@ -665,7 +665,6 @@ static int rkvdec2_link_reset(struct mpp_dev *mpp)
 	rockchip_dmcfreq_unlock();
 	mutex_unlock(&dec->sip_reset_lock);
 
-	mpp_iommu_detach(mpp->iommu_info);
 	rockchip_restore_qos(mpp->dev);
 
 	/* Note: if the domain does not change, iommu attach will be return
@@ -674,7 +673,6 @@ static int rkvdec2_link_reset(struct mpp_dev *mpp)
 	 */
 	mpp_iommu_refresh(mpp->iommu_info, mpp->dev);
 
-	mpp_iommu_attach(mpp->iommu_info);
 	mpp_reset_up_write(mpp->reset_group);
 	mpp_iommu_up_write(mpp->iommu_info);