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| Started by | Wei Xu <xuwei5@hisilicon.com> |
|---|---|
| First post | 2016-08-30 18:00 +0200 |
| Last post | 2016-08-30 18:00 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB Wei Xu <xuwei5@hisilicon.com> - 2016-08-30 18:00 +0200
| From | Wei Xu <xuwei5@hisilicon.com> |
|---|---|
| Date | 2016-08-30 18:00 +0200 |
| Subject | Re: [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB |
| Message-ID | <sbTCa-6Nf-35@gated-at.bofh.it> |
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@linaro.org>
> cc: John Stultz <john.stultz@linaro.org>
> cc: Xinliang Liu <xinliang.liu@linaro.org>
> Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
> Acked-by: Rob Herring <robh@kernel.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@5f01000 {
> compatible = "syscon", "simple-mfd";
>
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