Re: [PATCH v2 1/4] media: sun6i-csi: Fix the bpp for 10-bit bayer formats

From: Sakari Ailus
Date: Mon Aug 31 2020 - 06:47:14 EST


Hi Kévin,

Thanks for the patch.

On Fri, Aug 28, 2020 at 03:17:33PM +0200, Kévin L'hôpital 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.
> This function is only used to generate the number of bytes per line.
>
> Fixes: 5cc7522d8965 ("media: sun6i: Add support for Allwinner CSI V3s")
> Signed-off-by: Kévin L'hôpital <kevin.lhopital@xxxxxxxxxxx>
> ---
> 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;

Does the same also apply to the 12-bit formats below?

> case V4L2_PIX_FMT_SBGGR12:
> case V4L2_PIX_FMT_SGBRG12:
> case V4L2_PIX_FMT_SGRBG12:

--
Sakari Ailus