linux-kernel - Re: [PATCH 1/7] media: sun6i-csi: Fix the bpp for 10-bit bayer formats

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Message-ID: <CAGb2v65enzLHdK09-8Nm7=YU9-bRP=0Q+BXjXah6MZR2-y=zrA@mail.gmail.com>
Date:   Tue, 25 Aug 2020 23:50:30 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Kévin L'hôpital <kevin.lhopital@...tlin.com>
Cc:     Linux Media Mailing List <linux-media@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Yong Deng <yong.deng@...ewell.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 1/7] media: sun6i-csi: Fix the bpp for 10-bit bayer formats

On Fri, Aug 21, 2020 at 11:00 PM Kévin L'hôpital
<kevin.lhopital@...tlin.com> wrote:
>
> 10-bit bayer formats are aligned to 16 bits in memory, so this is what
> needs to be used as bpp for calculating the size of the buffers to
> allocate.
>
> Signed-off-by: Kévin L'hôpital <kevin.lhopital@...tlin.com>

Please add:

Fixes: 5cc7522d8965 ("media: sun6i: Add support for Allwinner CSI V3s")



> ---
>  drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
> index c626821aaedb..8b83d15de0d0 100644
> --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
> +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
> @@ -100,7 +100,7 @@ static inline int sun6i_csi_get_bpp(unsigned int pixformat)
>         case V4L2_PIX_FMT_SGBRG10:
>         case V4L2_PIX_FMT_SGRBG10:
>         case V4L2_PIX_FMT_SRGGB10:
> -               return 10;
> +               return 16;
>         case V4L2_PIX_FMT_SBGGR12:
>         case V4L2_PIX_FMT_SGBRG12:
>         case V4L2_PIX_FMT_SGRBG12:
> --
> 2.17.1
>