From cd6d4b33c5036b875fca49313a4e0bdb6fae21b7 Mon Sep 17 00:00:00 2001
From: Jianqun Xu <jay.xu@rock-chips.com>
Date: Tue, 31 May 2022 18:24:00 +0800
Subject: [PATCH] arm64: configs: rockchip_linux_defconfig set IOMMU IOVA ALIGN
 to 64KiB

Set iommu iova align to lowest value 64KiB.

+CONFIG_IOMMU_LIMIT_IOVA_ALIGNMENT=y
+CONFIG_IOMMU_IOVA_ALIGNMENT=4

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Change-Id: I52bb3dea9ff49e2cc032d643442176d312a185b6
---
 arch/arm64/configs/rockchip_linux_defconfig | 2 ++
 1 file changed, 2 insertions(+)

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