linux-kernel - Re: [PATCH v4 30/36] media: imx: update capture dev format on IDMAC output pad set

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Date:   Thu, 16 Feb 2017 12:29:11 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Steve Longerbeam <slongerbeam@...il.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        kernel@...gutronix.de, fabio.estevam@....com,
        linux@...linux.org.uk, mchehab@...nel.org, hverkuil@...all.nl,
        nick@...anahar.org, markus.heiser@...marIT.de,
        laurent.pinchart+renesas@...asonboard.com, bparrot@...com,
        geert@...ux-m68k.org, arnd@...db.de, sudipm.mukherjee@...il.com,
        minghsiu.tsai@...iatek.com, tiffany.lin@...iatek.com,
        jean-christophe.trotin@...com, horms+renesas@...ge.net.au,
        niklas.soderlund+renesas@...natech.se, robert.jarzmik@...e.fr,
        songjun.wu@...rochip.com, andrew-ct.chen@...iatek.com,
        gregkh@...uxfoundation.org, shuah@...nel.org,
        sakari.ailus@...ux.intel.com, pavel@....cz,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org,
        Steve Longerbeam <steve_longerbeam@...tor.com>
Subject: Re: [PATCH v4 30/36] media: imx: update capture dev format on IDMAC
 output pad set_fmt

On Wed, 2017-02-15 at 18:19 -0800, Steve Longerbeam wrote:
> When configuring the IDMAC output pad formats (in ipu_csi,
> ipu_ic_prpenc, and ipu_ic_prpvf subdevs), the attached capture
> device format must also be updated.
> 
> Signed-off-by: Steve Longerbeam <steve_longerbeam@...tor.com>
> Suggested-by: Philipp Zabel <p.zabel@...gutronix.de>
> ---
>  drivers/staging/media/imx/imx-ic-prpencvf.c | 9 +++++++++
>  drivers/staging/media/imx/imx-media-csi.c   | 9 +++++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
> index 2be8845..6e45975 100644
> --- a/drivers/staging/media/imx/imx-ic-prpencvf.c
> +++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
> @@ -739,6 +739,7 @@ static int prp_set_fmt(struct v4l2_subdev *sd,
>  		       struct v4l2_subdev_format *sdformat)
>  {
>  	struct prp_priv *priv = sd_to_priv(sd);
> +	struct imx_media_video_dev *vdev = priv->vdev;
>  	const struct imx_media_pixfmt *cc;
>  	struct v4l2_mbus_framefmt *infmt;
>  	u32 code;
> @@ -800,6 +801,14 @@ static int prp_set_fmt(struct v4l2_subdev *sd,
>  	} else {
>  		priv->format_mbus[sdformat->pad] = sdformat->format;
>  		priv->cc[sdformat->pad] = cc;
> +		if (sdformat->pad == PRPENCVF_SRC_PAD) {
> +			/*
> +			 * update the capture device format if this is
> +			 * the IDMAC output pad
> +			 */
> +			imx_media_mbus_fmt_to_pix_fmt(&vdev->fmt.fmt.pix,
> +						      &sdformat->format, cc);
> +		}

This is replaced again by patch 36. These should probably be squashed
together.

regards
Philipp