linux-kernel - Re: [PATCHv2 1/1] media: imx: Round line size to 4 bytes

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Message-ID: <YyH3ASYQsgD7i2Yt@kadam>
Date:   Wed, 14 Sep 2022 18:45:05 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Dorota Czaplejewicz <dorota.czaplejewicz@...i.sm>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        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>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...i.sm, phone-devel@...r.kernel.org
Subject: Re: [PATCHv2 1/1] media: imx: Round line size to 4 bytes

On Wed, Sep 14, 2022 at 05:32:36PM +0200, Dorota Czaplejewicz wrote:
> Section 13.7.6.13 "CSI Image Parameter Register" of the
> i.MX 8M Quad Applications Processors Reference Manual
> states that the line size should be divisible by 8 bytes.
> However, the hardware also accepts sizes divisible by 4 bytes,
> which are needed to fully utilize the S5K3L6XX sensors.
> 
> This patch accepts line sizes divisible 4-bytes in non-planar mode.
> 
> ---

So do we need a Fixes tag?  Was this ever working in kernel?

Definitely need a Signed-off-by line, though. ;)

regards,
dan carpenter