lkml.org 
[lkml]   [2016]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/2] arm64: dts: hikey: extend default cma size to 128MB
Date
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
\
 
 \ /
  Last update: 2016-09-17 09:57    [W:1.524 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site