Re: [PATCH 07/15] media: staging/imx: add 10 bit bayer support

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On Thu, 2018-04-19 at 11:18 +0100, Rui Miguel Silva wrote:
> Some sensors can only output 10 bit bayer formats, like the OV2680. Add support
> for that in imx-media.
> 
> Signed-off-by: Rui Miguel Silva <rui.silva@xxxxxxxxxx>
> ---
>  drivers/staging/media/imx/imx-media-utils.c | 24 +++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
> index fab98fc0d6a0..99527daba29a 100644
> --- a/drivers/staging/media/imx/imx-media-utils.c
> +++ b/drivers/staging/media/imx/imx-media-utils.c
> @@ -118,6 +118,30 @@ static const struct imx_media_pixfmt rgb_formats[] = {
>  		.cs     = IPUV3_COLORSPACE_RGB,
>  		.bpp    = 8,
>  		.bayer  = true,
> +	}, {
> +		.fourcc = V4L2_PIX_FMT_SBGGR10,
> +		.codes  = {MEDIA_BUS_FMT_SBGGR10_1X10},
> +		.cs     = IPUV3_COLORSPACE_RGB,
> +		.bpp    = 16,
> +		.bayer  = true,
> +	}, {
> +		.fourcc = V4L2_PIX_FMT_SGBRG10,
> +		.codes  = {MEDIA_BUS_FMT_SGBRG10_1X10},
> +		.cs     = IPUV3_COLORSPACE_RGB,
> +		.bpp    = 16,
> +		.bayer  = true,
> +	}, {
> +		.fourcc = V4L2_PIX_FMT_SGRBG10,
> +		.codes  = {MEDIA_BUS_FMT_SGRBG10_1X10},
> +		.cs     = IPUV3_COLORSPACE_RGB,
> +		.bpp    = 16,
> +		.bayer  = true,
> +	}, {
> +		.fourcc = V4L2_PIX_FMT_SRGGB10,
> +		.codes  = {MEDIA_BUS_FMT_SRGGB10_1X10},
> +		.cs     = IPUV3_COLORSPACE_RGB,
> +		.bpp    = 16,
> +		.bayer  = true,

This will break 10-bit bayer formats on i.MX6, which currently stores
them in memory expanded to 16-bit, as listed in the entries below:

>  	}, {
>  		.fourcc = V4L2_PIX_FMT_SBGGR16,
>  		.codes  = {

regards
Philipp
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