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

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Hi Laurent,

On Thu, 2019-09-05 at 20:30 +0800, Laurent Pinchart wrote:
> 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.
> 

I appreciate your comments,

Ok, I will squash it.

> > ---
> >  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.
> 

No, I should remove it. and also would like to update as following:

        depends on VIDEO_V4L2
        depends on ARCH_MEDIATEK || COMPILE_TEST
        select VIDEOBUF2_DMA_CONTIG
        select VIDEOBUF2_CORE
        select VIDEOBUF2_V4L2
        select VIDEOBUF2_MEMOPS
        select MEDIA_CONTROLLER
        select MTK_SCP

> > +	select MEDIA_CONTROLLER
> > +
> > +	default n
> > +	help
> > +		Support the Face Detectioin (FD) feature.
> 
> s/Detectioin/Detection/
> 
Typo fixed.

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

I will refine as:
Support the Face Detection (FD) feature in the Mediatek mt8183 Soc.

Thanks and best regards,
Jerry
> 
> > +
> > +		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.
> 





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