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arm64: dts: rockchip: rk3328-evb-android: set cma memory to 32M

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When playing secure video, you need to interact with secure OS.
The interaction to secureOS must be a physical continuous memory,
so CMA needs to be used, and now CMA is not enough and 32M is
enough.

Change-Id: Ie665152808a048045e702b3e0e9d9137f30975b5
Signed-off-by: Rimon Xu <rimon.xu@rock-chips.com>
This commit is contained in:
Rimon Xu
2018-04-12 08:53:58 +08:00
committed by Tao Huang
parent eae144a7cc
commit f33a586497
1 changed files with 8 additions and 0 deletions
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8
arch/arm64/boot/dts/rockchip/rk3328-android.dtsi
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@@ -62,6 +62,14 @@
ramoops_mem: ramoops@68000000 {
reg = <0x0 0x110000 0x0 0xf0000>;
};
/* global autoconfigured region for contiguous allocations */
linux,cma {
compatible = "shared-dma-pool";
reusable;
size = <0x0 0x2000000>;
linux,cma-default;
};
};
ramoops {