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37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
From 1b8ef484e7a3af4367b771e74c8f72e8326f897f Mon Sep 17 00:00:00 2001
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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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Date: Fri, 4 Jun 2021 21:50:06 +0200
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Subject: [PATCH 61/96] ARM: dts: meson8: Add the shared CMA dma memory pool
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The 4K HDMI modes needs more CMA memory (than the default 64MiB) to be
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reserved at boot-time. Add a shared-dma-pool with increased size so the
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4K HDMI modes can be used.
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Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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---
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arch/arm/boot/dts/amlogic/meson8.dtsi | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/arch/arm/boot/dts/amlogic/meson8.dtsi b/arch/arm/boot/dts/amlogic/meson8.dtsi
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index f63ac1404..de9845433 100644
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--- a/arch/arm/boot/dts/amlogic/meson8.dtsi
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+++ b/arch/arm/boot/dts/amlogic/meson8.dtsi
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@@ -193,6 +193,14 @@ power-firmware@4f00000 {
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reg = <0x4f00000 0x100000>;
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no-map;
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};
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+
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+ linux,cma {
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+ compatible = "shared-dma-pool";
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+ reusable;
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+ size = <0x10000000>;
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+ alignment = <0x400000>;
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+ linux,cma-default;
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+ };
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};
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thermal-zones {
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--
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2.45.1
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