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ARM: shmobile: defconfig: Enable CMA for DMA

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To be able to use VIN with larger frame sizes CMA memory are needed for
DMA. If this is not enabled trying to capture large frames can result in
errors such as:

rcar-vin e6ef0000.video: dma_alloc_coherent of size 8388608 failed

A CMA area of 64MB are needed for v4l2-compliance to pass on all formats
on the largest possible frame size of 2048x2048.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Niklas Söderlund 2016-11-18 16:00:45 +01:00 committed by Simon Horman
parent 1682a9c569
commit 77af670a76
1 changed files with 3 additions and 0 deletions
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3
arch/arm/configs/shmobile_defconfig
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@ -33,6 +33,7 @@ CONFIG_HAVE_ARM_ARCH_TIMER=y
CONFIG_NR_CPUS=8
CONFIG_AEABI=y
CONFIG_HIGHMEM=y
CONFIG_CMA=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ARM_APPENDED_DTB=y
@ -58,6 +59,8 @@ CONFIG_CAN_RCAR=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=64
CONFIG_SIMPLE_PM_BUS=y
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y