Re: [RFC PATCH V2 3/4] media: platform: Add Mediatek FD driver KConfig

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Hi Jerry,

Thank you for the patch.

On Tue, Jul 09, 2019 at 04:41:11PM +0800, Jerry-ch Chen wrote:
> From: Jerry-ch Chen <jerry-ch.chen@xxxxxxxxxxxx>
> 
> This patch adds KConfig for Mediatek Face Detection driver (FD).
> FD is embedded in Mediatek SoCs. It can provide hardware
> accelerated face detection function.
> 
> Signed-off-by: Jerry-ch Chen <jerry-ch.chen@xxxxxxxxxxxx>

You can squash this patch with 4/4, there's no need to keep it separate.

> ---
>  drivers/media/platform/Kconfig            |  2 ++
>  drivers/media/platform/mtk-isp/fd/Kconfig | 17 +++++++++++++++++
>  2 files changed, 19 insertions(+)
>  create mode 100644 drivers/media/platform/mtk-isp/fd/Kconfig
> 
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index a505e9f..ae99258e 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -32,6 +32,8 @@ source "drivers/media/platform/davinci/Kconfig"
>  
>  source "drivers/media/platform/omap/Kconfig"
>  
> +source "drivers/media/platform/mtk-isp/fd/Kconfig"
> +
>  config VIDEO_ASPEED
>  	tristate "Aspeed AST2400 and AST2500 Video Engine driver"
>  	depends on VIDEO_V4L2
> diff --git a/drivers/media/platform/mtk-isp/fd/Kconfig b/drivers/media/platform/mtk-isp/fd/Kconfig
> new file mode 100644
> index 0000000..0c5eaf0
> --- /dev/null
> +++ b/drivers/media/platform/mtk-isp/fd/Kconfig
> @@ -0,0 +1,17 @@
> +config VIDEO_MEDIATEK_FD
> +	bool "Mediatek face detection processing function"
> +	select DMA_SHARED_BUFFER
> +	select VIDEOBUF2_DMA_CONTIG
> +	select VIDEOBUF2_CORE
> +	select VIDEOBUF2_V4L2
> +	select VIDEOBUF2_MEMOPS
> +	select VIDEOBUF2_VMALLOC

Do you need both VIDEOBUF2_DMA_CONTIG and VIDEOBUF2_VMALLOC ? The driver
doesn't seem to make use of VIDEOBUF2_VMALLOC.

> +	select MEDIA_CONTROLLER
> +
> +	default n
> +	help
> +		Support the Face Detectioin (FD) feature.

s/Detectioin/Detection/

Maybe "... feature found in the Mediatek <list of SoCs> SoCs." ?

> +
> +		FD driver is a V4L2 memory-to-memory device driver which
> +		provides hardware accelerated face detection function,
> +		it can detect different sizes of faces in a raw image.

-- 
Regards,

Laurent Pinchart



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