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Message-ID: <57C5ACC0.90902@hisilicon.com>
Date: Tue, 30 Aug 2016 16:56:48 +0100
From: Wei Xu <xuwei5@...ilicon.com>
To: Guodong Xu <guodong.xu@...aro.org>, <robh+dt@...nel.org>,
<rob.herring@...aro.org>, <mark.rutland@....com>,
<catalin.marinas@....com>, <will.deacon@....com>
CC: <fathi.boudra@...aro.org>, <john.stultz@...aro.org>,
<xinliang.liu@...aro.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <jh80.chung@...sung.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to
128MB
Hi Guodong,
On 25/08/2016 04:00, Guodong Xu wrote:
> 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 enough.
>
> Increase the default CMA size to 128 MB.
>
> cc: Fathi Boudra <fathi.boudra@...aro.org>
> cc: John Stultz <john.stultz@...aro.org>
> cc: Xinliang Liu <xinliang.liu@...aro.org>
> Signed-off-by: Guodong Xu <guodong.xu@...aro.org>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
Series applied to the hisilicon dt branch.
Thanks!
Best Regards,
Wei
> arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
> index 9e4e06a..dba3c13 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
> +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
> @@ -57,8 +57,15 @@
> console-size = <0x00020000>;
> ftrace-size = <0x00020000>;
> };
> - };
>
> + /* global autoconfigured region for contiguous allocations */
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + size = <0x00000000 0x08000000>;
> + linux,cma-default;
> + };
> + };
>
> reboot-mode-syscon@...1000 {
> compatible = "syscon", "simple-mfd";
>
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