linux-kernel - [PATCH 2/4] arm64: defconfig: Set cma heap size to 128MB

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Date:   Fri, 19 Aug 2016 23:42:06 +0800
From:   Guodong Xu <guodong.xu@...aro.org>
To:     catalin.marinas@....com, will.deacon@....com, arnd@...db.de,
        horms+renesas@...ge.net.au, treding@...dia.com, olof@...om.net,
        kuninori.morimoto.gx@...esas.com, alim.akhtar@...sung.com,
        srinivas.kandagatla@...aro.org, xuwei5@...ilicon.com,
        khilman@...libre.com, riku.voipio@...aro.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Xinliang Liu <xinliang.liu@...aro.org>
Subject: [PATCH 2/4] arm64: defconfig: Set cma heap size to 128MB

From: Xinliang Liu <xinliang.liu@...aro.org>

For debian linux, cma heap is used to allocate graphic buffers.
The default size is 16 MB which is not enought.
So increase the size to 128 MB.

Signed-off-by: Xinliang Liu <xinliang.liu@...aro.org>
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index e27f086..c94f2fa 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -130,6 +130,7 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_DMA_CMA=y
+CONFIG_CMA_SIZE_MBYTES=128
 CONFIG_MTD=y
 CONFIG_MTD_M25P80=y
 CONFIG_MTD_SPI_NOR=y
-- 
1.9.1