2019-03-27 10:22:58

by Neil Armstrong

Subject: [PATCH] arm64: meson-g12a: Add CMA reserved memory

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 <[email protected]>
---
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

2019-03-29 20:58:27

by Kevin Hilman

Subject: Re: [PATCH] arm64: meson-g12a: Add CMA reserved memory

Neil Armstrong <[email protected]> writes:

> 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 <[email protected]>

Queued for v5.2,

Thanks,

Kevin