Re: [PATCH 0/5] drm/bridge: simple-bridge: Add DPI color encoder support

Liu Ying
2026-01-12T09:44:15Z

On 1/12/26 17:31, Francesco Dolcini wrote:
> Hello Liu,

Hello Francesco,

>
> On Tue, Mar 04, 2025 at 06:15:25PM +0800, Liu Ying wrote:
>> This patch series aims to add DPI color encoder support as a simple DRM
>> bridge. A DPI color encoder simply converts input DPI color coding to
>> output DPI color coding, like Adafruit Kippah DPI hat[1] which converts
>> input 18-bit pixel data to 24-bit pixel data(with 2 low padding bits in
>> every color component though). A real use case is that NXP i.MX93 11x11
>> EVK[2] and i.MX93 9x9 QSB[3] boards may connect a 24-bit DPI panel through
>> the Adafruit Kippah DPI hat. The display pipeline is
>>
>> i.MX93 LCDIF display controller(RGB888) ->
>> i.MX93 parallel display format configuration(RGB666) ->
>> on-board Raspiberry Pi compatible interface(RPi)(RGB666) ->
>> Adafruit Kippah DPI hat(RGB888 with 2 low padding bits in color components) ->
>> 24-bit "ontat,kd50g21-40nt-a1" DPI panel
>
>
> Any update/progress/plan on this patch series?

It seems that neither Rob nor Maxime likes the whole idea of this bridge.
So I don't have any plan to proceed with this patch series.

>
> Thanks,
> Francesco
>

--
Regards,
Liu Ying