From: Neil Armstrong <narmstrong@baylibre.com>
To: khilman@baylibre.com
Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Neil Armstrong <narmstrong@baylibre.com>
Subject: [PATCH] arm64: meson-g12a: Add CMA reserved memory
Date: Wed, 27 Mar 2019 11:21:57 +0100 [thread overview]
Message-ID: <20190327102157.15908-1-narmstrong@baylibre.com> (raw)
In order to handle Video Output and later on Video decoding,
add a reserved CMA pool with a similar 256MiB size as other SoCs.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 8f6f72e9825c..58176b525004 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -82,6 +82,14 @@
reg = <0x0 0x05000000 0x0 0x300000>;
no-map;
};
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x0 0x10000000>;
+ alignment = <0x0 0x400000>;
+ linux,cma-default;
+ };
};
sm: secure-monitor {
--
2.21.0
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next reply other threads:[~2019-03-27 10:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-27 10:21 Neil Armstrong [this message]
2019-03-29 20:57 ` [PATCH] arm64: meson-g12a: Add CMA reserved memory Kevin Hilman
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