From 8aaac87d71d9e7aec06007fc6d74ac32fb518c18 Mon Sep 17 00:00:00 2001
From: Jianqun Xu <jay.xu@rock-chips.com>
Date: Mon, 18 Apr 2022 10:19:06 +0800
Subject: [PATCH] arm64: configs: rockchip_defconfig set IOMMU IOVA ALIGN to
 64KiB

Decrease the iommu iova alignment to 4 (means 64 KiB), to fix the
fragment in the video stress test.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Change-Id: Ifdd9da0110a6ac14ad0d962394ab3e0a0cc5ff65
---
 arch/arm64/configs/rockchip_defconfig | 2 ++
 1 file changed, 2 insertions(+)

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