linux-kernel - Re: [PATCH v4 28/36] media: imx: csi: fix crop rectangle changes in set

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Message-ID: <8285778f-ea44-a968-d2d1-b1a286edbfd8@gmail.com>
Date:   Thu, 16 Feb 2017 10:16:10 -0800
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     Russell King - ARM Linux <linux@...linux.org.uk>
Cc:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        kernel@...gutronix.de, fabio.estevam@....com, mchehab@...nel.org,
        hverkuil@...all.nl, nick@...anahar.org, markus.heiser@...marIT.de,
        p.zabel@...gutronix.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 28/36] media: imx: csi: fix crop rectangle changes in
 set_fmt



On 02/16/2017 03:05 AM, Russell King - ARM Linux wrote:
> On Wed, Feb 15, 2017 at 06:19:30PM -0800, Steve Longerbeam wrote:
>> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
>> index ae24b42..3cb97e2 100644
>> --- a/drivers/staging/media/imx/imx-media-csi.c
>> +++ b/drivers/staging/media/imx/imx-media-csi.c
>> @@ -531,6 +531,10 @@ static int csi_setup(struct csi_priv *priv)
>>
>>  	ipu_csi_set_window(priv->csi, &priv->crop);
>>
>> +	ipu_csi_set_downsize(priv->csi,
>> +			     priv->crop.width == 2 * outfmt->width,
>> +			     priv->crop.height == 2 * outfmt->height);
>> +
>
> This fails to build:
>
> ERROR: "ipu_csi_set_downsize" [drivers/staging/media/imx/imx-media-csi.ko] undefined!
>
> ipu_csi_set_downsize needs to be exported if we're going to use it in
> a module:
>

Yes I encountered the missing export too, forgot to mention it.
Philipp submitted a patch to dri-devel separately.

Steve