diff --git a/arch/arm64/configs/rockchip_defconfig b/arch/arm64/configs/rockchip_defconfig
index 54f7f247f98d..c856c8f5ed29 100644
--- a/arch/arm64/configs/rockchip_defconfig
+++ b/arch/arm64/configs/rockchip_defconfig
@@ -842,6 +842,8 @@ CONFIG_COMMON_CLK_RK808=y
 CONFIG_COMMON_CLK_SCMI=y
 CONFIG_COMMON_CLK_PWM=y
 CONFIG_MAILBOX=y
+CONFIG_IOMMU_LIMIT_IOVA_ALIGNMENT=y
+CONFIG_IOMMU_IOVA_ALIGNMENT=4
 CONFIG_RK3368_MBOX=y
 CONFIG_RK3368_SCPI_PROTOCOL=y
 CONFIG_ROCKCHIP_IOMMU=y