Re: [PATCH v3 08/11] media: adv748x-afe: Use 1X16 media bus code

["Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>]

Hi Jacopo,

Thanks for your work.

On 2024-05-09 18:13:58 +0200, Jacopo Mondi wrote:
> Now that the adv748x CSI-2 transmitter driver validates the supported
> formats, it is required for subdevices along the pipeline to produce
> and consume the same media bus codes.
> 
> The adv748x analog front end driver use the 2X8 variant of the UYVY8
> media bus code, while the CSI-2 transmitter use the 1X16 variant, which
> is the correct one to use for the serial bus.
> 
> Make the adv748x afe use the 1X16 format variant to maintain the
> pipeline validation correct.
> 
> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Can you move this patch earlier in the series, before "media: 
adv748x-csi2: Validate the image format". Else capture from AFE is 
broken between that patch and this one for no reason.

There is no conflict in reordering the patches and it allows for future 
bisects to work more smoothly.

With the ordering of patches fixed,

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

> ---
>  drivers/media/i2c/adv748x/adv748x-afe.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/i2c/adv748x/adv748x-afe.c b/drivers/media/i2c/adv748x/adv748x-afe.c
> index 50d9fbadbe38..5edb3295dc58 100644
> --- a/drivers/media/i2c/adv748x/adv748x-afe.c
> +++ b/drivers/media/i2c/adv748x/adv748x-afe.c
> @@ -114,7 +114,7 @@ static void adv748x_afe_fill_format(struct adv748x_afe *afe,
>  {
>  	memset(fmt, 0, sizeof(*fmt));
>  
> -	fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
> +	fmt->code = MEDIA_BUS_FMT_UYVY8_1X16;
>  	fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
>  	fmt->field = V4L2_FIELD_ALTERNATE;
>  
> @@ -337,7 +337,7 @@ static int adv748x_afe_enum_mbus_code(struct v4l2_subdev *sd,
>  	if (code->index != 0)
>  		return -EINVAL;
>  
> -	code->code = MEDIA_BUS_FMT_UYVY8_2X8;
> +	code->code = MEDIA_BUS_FMT_UYVY8_1X16;
>  
>  	return 0;
>  }
> -- 
> 2.44.0
> 

-- 
Kind Regards,
Niklas Söderlund