armbian-build/patch/kernel/archive/meson-6.10/0061-ARM-dts-meson8-Add-the...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Fri, 4 Jun 2021 21:50:06 +0200
Subject: ARM: dts: meson8: Add the shared CMA dma memory pool
The 4K HDMI modes needs more CMA memory (than the default 64MiB) to be
reserved at boot-time. Add a shared-dma-pool with increased size so the
4K HDMI modes can be used.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
arch/arm/boot/dts/amlogic/meson8.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/amlogic/meson8.dtsi b/arch/arm/boot/dts/amlogic/meson8.dtsi
index 111111111111..222222222222 100644
--- a/arch/arm/boot/dts/amlogic/meson8.dtsi
+++ b/arch/arm/boot/dts/amlogic/meson8.dtsi
@@ -193,6 +193,14 @@ power-firmware@4f00000 {
reg = <0x4f00000 0x100000>;
no-map;
};
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x10000000>;
+ alignment = <0x400000>;
+ linux,cma-default;
+ };
};
thermal-zones {
--
Armbian