From mboxrd@z Thu Jan 1 00:00:00 1970 From: xuwei5@hisilicon.com (Wei Xu) Date: Tue, 30 Aug 2016 16:56:48 +0100 Subject: [PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB In-Reply-To: <1472094041-5357-1-git-send-email-guodong.xu@linaro.org> References: <1472094041-5357-1-git-send-email-guodong.xu@linaro.org> Message-ID: <57C5ACC0.90902@hisilicon.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > cc: John Stultz > cc: Xinliang Liu > Signed-off-by: Guodong Xu > Acked-by: Rob Herring > --- 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 at 5f01000 { > compatible = "syscon", "simple-mfd"; >