Re: [PATCH 2/5] drm/stm: ltdc: add YCbCr 422 output support

[Raphael Gallais-Pou]

On 12/15/21 10:47 PM, Yannick Fertre wrote:
> LTDC 40100 hw version supports the YCbCr 422 output,
> reducing the output pins from 24 to 16. This feature
> is useful for some external devices like HDMI bridges.
>
> Both ITU-R BT.601 & ITU-R BT.709 are supported.
>
> It is also possible to choose the chrominance order between
> * Cb is output first (Y0Cb, then Y1Cr, Y2Cb and so on).
> * Cr is output first (Y0Cr, then Y1Cb, Y2Cr and so on).
>
> Signed-off-by: Yannick Fertre <yannick.fertre@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/stm/ltdc.c | 44 +++++++++++++++++++++++++++++++++++++-
>  drivers/gpu/drm/stm/ltdc.h |  1 +
>  2 files changed, 44 insertions(+), 1 deletion(-)


Hello Yannick,


Reviewed-by: Raphael Gallais-Pou <raphael.gallais-pou@xxxxxxxxxxx>

Thanks,

Raphaël