Re: [PATCH] media: v4l2-common: change the pixel_enc of V4L2_PIX_FMT_GREY to YUV

[Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>]

On 30.03.20 20:22, Ezequiel Garcia wrote:
> Hi Dafna,
>
> Nice catch, thanks a lot.
Hi, It was actually Helen's idea,

> On Mon, 2020-03-23 at 18:36 +0100, Dafna Hirschfeld wrote:
> > V4L2_PIX_FMT_GREY format is Ycbcr format without
>
> A nitpick s/Ycbcr/YCbCr. Maybe Hans can amend
> this when applying.
>
> It's no big deal anyway.
>
> Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
>
> > the color data, therefore its pixel_enc should
> > set to V4L2_PIXEL_ENC_YUV.
> >
> > Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
Suggested-by: Helen Koike <helen.koike@xxxxxxxxxxxxx>

> > ---
> >   drivers/media/v4l2-core/v4l2-common.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
> > index d0e5ebc736f9..054f2e607dff 100644
> > --- a/drivers/media/v4l2-core/v4l2-common.c
> > +++ b/drivers/media/v4l2-core/v4l2-common.c
> > @@ -250,7 +250,6 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
> >   		{ .format = V4L2_PIX_FMT_RGBA32,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> >   		{ .format = V4L2_PIX_FMT_ABGR32,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> >   		{ .format = V4L2_PIX_FMT_BGRA32,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> > -		{ .format = V4L2_PIX_FMT_GREY,    .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> >   		{ .format = V4L2_PIX_FMT_RGB565,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> >   		{ .format = V4L2_PIX_FMT_RGB555,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> >   
> > @@ -274,6 +273,7 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
> >   		{ .format = V4L2_PIX_FMT_YUV420,  .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv =
> > 2, .vdiv = 2 },
> >   		{ .format = V4L2_PIX_FMT_YVU420,  .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv =
> > 2, .vdiv = 2 },
> >   		{ .format = V4L2_PIX_FMT_YUV422P, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv =
> > 2, .vdiv = 1 },
> > +		{ .format = V4L2_PIX_FMT_GREY,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .hdiv =
> > 1, .vdiv = 1 },
> >   
> >   		/* YUV planar formats, non contiguous variant */
> >   		{ .format = V4L2_PIX_FMT_YUV420M, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 3, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv =
> > 2, .vdiv = 2 },
> > --
> > 2.17.1

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