Re: [PATCH 7/8] media: imx: utils: Add more Bayer formats

From: Laurent Pinchart
Date: Fri Feb 04 2022 - 22:32:07 EST


Hi Alexander,

Thank you for the patch.

On Fri, Feb 04, 2022 at 01:15:13PM +0100, Alexander Stein wrote:
> Without this the ioctl VIDIOC_ENUM_FMT will not list the 10/12/14-Bit
> Bayer formats. This in return results in
> "v4l2-ctl --set-fmt-video pixelformat='RG10'" failing to set the
> pixelformat as it is not enumerated as supported format.
>
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>

Do IPUv3-based SoCs support 10-, 12- and 14-bit formats ? If so,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> This adds the following formats to `v4l2-ctl --list-formats`
> [...]
> [18]: 'BG10' (10-bit Bayer BGBG/GRGR)
> [19]: 'GB10' (10-bit Bayer GBGB/RGRG)
> [20]: 'BA10' (10-bit Bayer GRGR/BGBG)
> [21]: 'RG10' (10-bit Bayer RGRG/GBGB)
> [22]: 'BG12' (12-bit Bayer BGBG/GRGR)
> [23]: 'GB12' (12-bit Bayer GBGB/RGRG)
> [24]: 'BA12' (12-bit Bayer GRGR/BGBG)
> [25]: 'RG12' (12-bit Bayer RGRG/GBGB)
> [26]: 'BG14' (14-bit Bayer BGBG/GRGR)
> [27]: 'GB14' (14-bit Bayer GBGB/RGRG)
> [28]: 'GR14' (14-bit Bayer GRGR/BGBG)
> [29]: 'RG14' (14-bit Bayer RGRG/GBGB)
> [...]
>
> drivers/staging/media/imx/imx-media-utils.c | 72 +++++++++++++++++++++
> 1 file changed, 72 insertions(+)
>
> diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
> index e0a256a08c3b..ea56c82d3b32 100644
> --- a/drivers/staging/media/imx/imx-media-utils.c
> +++ b/drivers/staging/media/imx/imx-media-utils.c
> @@ -130,6 +130,78 @@ static const struct imx_media_pixfmt pixel_formats[] = {
> .cs = IPUV3_COLORSPACE_RGB,
> .bpp = 8,
> .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SBGGR10,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SBGGR10_1X10),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 10,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SGBRG10,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SGBRG10_1X10),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 10,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SGRBG10,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SGRBG10_1X10),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 10,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SRGGB10,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SRGGB10_1X10),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 10,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SBGGR12,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SBGGR12_1X12),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 12,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SGBRG12,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SGBRG12_1X12),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 12,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SGRBG12,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SGRBG12_1X12),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 12,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SRGGB12,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SRGGB12_1X12),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 12,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SBGGR14,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SBGGR14_1X14),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 14,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SGBRG14,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SGBRG14_1X14),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 14,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SGRBG14,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SGRBG14_1X14),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 14,
> + .bayer = true,
> + }, {
> + .fourcc = V4L2_PIX_FMT_SRGGB14,
> + .codes = IMX_BUS_FMTS(MEDIA_BUS_FMT_SRGGB14_1X14),
> + .cs = IPUV3_COLORSPACE_RGB,
> + .bpp = 14,
> + .bayer = true,
> }, {
> .fourcc = V4L2_PIX_FMT_SBGGR16,
> .codes = IMX_BUS_FMTS(

--
Regards,

Laurent Pinchart