diff --git a/arch/arm64/configs/rockchip_linux_defconfig b/arch/arm64/configs/rockchip_linux_defconfig
index d80ad5dd1e00..5a189a68709c 100644
--- a/arch/arm64/configs/rockchip_linux_defconfig
+++ b/arch/arm64/configs/rockchip_linux_defconfig
@@ -464,6 +464,8 @@ 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_ROCKCHIP_IOMMU=y
 CONFIG_ARM_SMMU_V3=y
 CONFIG_CPU_PX30=y