Re: [PATCH v12 3/8] media: uapi: add visconti viif meta buffer format

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Hi Ishikawa-san,

Thank you for the patch.


On Mon, Nov 25, 2024 at 06:21:41PM +0900, Yuji Ishikawa wrote:
> Adds the Toshiba Visconti VIIF specific metadata format

s/Adds/Add/
s/format/formats./

> 
> - V4L2_META_FMT_VISCONTI_VIIF_PARAMS for ISP parameters
> - V4L2_META_FMT_VISCONTI_VIIF_STATS for ISP statistics
> 
> Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@xxxxxxxxxxxxx>

Assuming the documentation of the formats in subsequent patches is fine,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> Changelog v10:
> - add entry for V4L2_META_FMT_VISCONTI_VIIF_PARAMS
> - add entry for V4L2_META_FMT_VISCONTI_VIIF_STATS
> 
> Changelog v11:
> - no change
> 
> Changelog v12:
> - add description for meta formats at v4l2-ioctl.c
> 
>  drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++
>  include/uapi/linux/videodev2.h       | 4 ++++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
> index 0304daa8471d..f7facb63b8ea 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1470,6 +1470,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
>  	case V4L2_META_FMT_RPI_BE_CFG:	descr = "RPi PiSP BE Config format"; break;
>  	case V4L2_META_FMT_RPI_FE_CFG:  descr = "RPi PiSP FE Config format"; break;
>  	case V4L2_META_FMT_RPI_FE_STATS: descr = "RPi PiSP FE Statistics format"; break;
> +	case V4L2_META_FMT_VISCONTI_VIIF_PARAMS: descr = "Visconti ISP Parameters"; break;
> +	case V4L2_META_FMT_VISCONTI_VIIF_STATS: descr = "Visconti ISP Statistics"; break;
>  	case V4L2_META_FMT_GENERIC_8:	descr = "8-bit Generic Metadata"; break;
>  	case V4L2_META_FMT_GENERIC_CSI2_10:	descr = "8-bit Generic Meta, 10b CSI-2"; break;
>  	case V4L2_META_FMT_GENERIC_CSI2_12:	descr = "8-bit Generic Meta, 12b CSI-2"; break;
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index a5418759e2ba..9e1f66fdf038 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -863,6 +863,10 @@ struct v4l2_pix_format {
>  #define V4L2_META_FMT_RPI_FE_CFG	v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
>  #define V4L2_META_FMT_RPI_FE_STATS	v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
>  
> +/* Vendor specific - used for Visconti VIIF sub-system */
> +#define V4L2_META_FMT_VISCONTI_VIIF_PARAMS	v4l2_fourcc('V', 'I', 'F', 'P') /* ISP Params */
> +#define V4L2_META_FMT_VISCONTI_VIIF_STATS	v4l2_fourcc('V', 'I', 'F', 'S') /* ISP Stats */
> +
>  #ifdef __KERNEL__
>  /*
>   * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when

-- 
Regards,

Laurent Pinchart




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