From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guodong Xu Subject: [PATCH] arm64: dts: hikey: extend default cma size to 128MB Date: Wed, 24 Aug 2016 21:35:10 +0800 Message-ID: <1472045710-15832-1-git-send-email-guodong.xu@linaro.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: xuwei5@hisilicon.com, robh+dt@kernel.org, rob.herring@linaro.org, fathi.boudra@linaro.org, john.stultz@linaro.org, xinliang.liu@linaro.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, treding@nvidia.com, Guodong Xu List-Id: devicetree@vger.kernel.org To support display in Debian on HiKey, cma heap is used to allocate graphic buffers. The default size of CMA is 16 MB which is not enought. Increase the default CMA size to 128 MB. cc: Rob Herring cc: Fathi Boudra cc: John Stultz cc: Xinliang Liu Signed-off-by: Guodong Xu --- arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index 4a51058..abb3434 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -45,6 +45,20 @@ <0x00000000 0x22000000 0x00000000 0x1c000000>; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* global autoconfigured region for contiguous allocations */ + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0x00000000 0x08000000>; + linux,cma-default; + }; + }; + pstore: pstore@0x21f00000 { no-map; reg = <0x0 0x21f00000 0x0 0x00100000>; /* pstore/ramoops buffer */ -- 1.9.1