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| Started by | Guodong Xu <guodong.xu@linaro.org> |
|---|---|
| First post | 2016-08-25 07:10 +0200 |
| Last post | 2016-08-30 18:00 +0200 |
| Articles | 2 — 2 participants |
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[PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB Guodong Xu <guodong.xu@linaro.org> - 2016-08-25 07:10 +0200
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 | Guodong Xu <guodong.xu@linaro.org> |
|---|---|
| Date | 2016-08-25 07:10 +0200 |
| Subject | [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB |
| Message-ID | <s9UVH-4Gy-15@gated-at.bofh.it> |
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>
---
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";
--
1.9.1
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| 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> |
| In reply to | #1469833 |
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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