linux-kernel - Re: [PATCH 5/8] media: imx: imx7_mipi_csis: store colorspace in set

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Date:   Sat, 5 Feb 2022 05:26:31 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Alexander Stein <alexander.stein@...tq-group.com>
Cc:     Steve Longerbeam <slongerbeam@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Rui Miguel Silva <rmfrfs@...il.com>,
        Dorota Czaplejewicz <dorota.czaplejewicz@...i.sm>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/8] media: imx: imx7_mipi_csis: store colorspace in
 set_fmt as well

Hi Alexander,

Thank you for the patch.

On Fri, Feb 04, 2022 at 01:15:11PM +0100, Alexander Stein wrote:
> Without this the default (SMPTE 170M) from init_cfg stays unchanged.
> Even after configuring 'srgb' colorspace (or 'raw')
> $ media-ctl -V "'csis-32e30000.mipi-csi':0 [colorspace:srgb]"
> the colorspace does not change at all:
> $ media-ctl --get-v4l2 "'csis-32e30000.mipi-csi':0"
>   [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:smpte170m xfer:709
>    ycbcr:601 quantization:lim-range]
> 
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
>  drivers/staging/media/imx/imx7-mipi-csis.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
> index a22d0e6b3d44..7b0e57efcf82 100644
> --- a/drivers/staging/media/imx/imx7-mipi-csis.c
> +++ b/drivers/staging/media/imx/imx7-mipi-csis.c
> @@ -1062,6 +1062,7 @@ static int mipi_csis_set_fmt(struct v4l2_subdev *sd,
>  	fmt->code = csis_fmt->code;
>  	fmt->width = sdformat->format.width;
>  	fmt->height = sdformat->format.height;
> +	fmt->colorspace = sdformat->format.colorspace;

Looks good, but shouldn't you also store the other colorspace-related
fields (ycbcr_enc, quantization and xfer_func) ?

>  	sdformat->format = *fmt;

-- 
Regards,

Laurent Pinchart