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[v2,1/2] arm64: dts: hikey: extend default cma size to 128MB

Message ID 1472094041-5357-1-git-send-email-guodong.xu@linaro.org
State Accepted
Commit 8f5203abdc8f30a938910bfe2bd3a82bbbf2cdea
Headers show

Commit Message

Guodong Xu Aug. 25, 2016, 3 a.m. UTC 
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(-)

-- 
1.9.1


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diff mbox

Patch

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";