From 507db37b29d8790124f25dfb27e863dd28eefa59 Mon Sep 17 00:00:00 2001
From: Jianqun Xu <jay.xu@rock-chips.com>
Date: Tue, 15 Dec 2020 16:02:12 +0800
Subject: [PATCH] arm64: dts: rockchip: rk3568-android fix linux,cma reserved
 memory

Make linux default cma 8M and inactive

Change-Id: I1ba9da332b6dcafa51f2dc76a0ac2f2c83e20abc
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3568-android.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-android.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-android.dtsi
index b1ae13e491c7..227e089f4ae7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-android.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-android.dtsi
@@ -27,6 +27,14 @@
 		#size-cells = <2>;
 		ranges;
 
+		linux,cma {
+			compatible = "shared-dma-pool";
+			inactive;
+			reusable;
+			size = <0x0 (8 * 0x00100000)>;
+			linux,cma-default;
+		};
+
 		ramoops: ramoops@110000 {
 			compatible = "ramoops";
 			reg = <0x0 0x110000 0x0 0xf0000>;