2018-09-04 18:33:05

by Christian Hewitt

Subject: [PATCH] ARM64: dts: meson-gx: increase default shared CMA pool size

Devices using the new V4L2 mem2mem vdec require a larger CMA pool. As
nearly all GX* devices are video/media focused and will use it, set a
larger (256MB) default value.

Signed-off-by: Christian Hewitt <[email protected]>
---
arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index b8dc4db..ef43922 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -44,7 +44,7 @@
linux,cma {
compatible = "shared-dma-pool";
reusable;
- size = <0x0 0xbc00000>;
+ size = <0x0 0x10000000>;
alignment = <0x0 0x400000>;
linux,cma-default;
};
--
2.7.4

2018-09-13 04:00:27

by Kevin Hilman

Subject: Re: [PATCH] ARM64: dts: meson-gx: increase default shared CMA pool size

Christian Hewitt <[email protected]> writes:

> Devices using the new V4L2 mem2mem vdec require a larger CMA pool. As
> nearly all GX* devices are video/media focused and will use it, set a
> larger (256MB) default value.
>
> Signed-off-by: Christian Hewitt <[email protected]>

Applied to v4.20/dt64,

Kevin