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

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Message-ID: <20260112093127.GA121274@francesco-nb>
Date: Mon, 12 Jan 2026 10:31:27 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Liu Ying <victor.liu@....com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, andrzej.hajda@...el.com,
	neil.armstrong@...aro.org, rfoss@...nel.org,
	Laurent.pinchart@...asonboard.com, jonas@...boo.se,
	jernej.skrabec@...il.com, maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
	simona@...ll.ch
Subject: Re: [PATCH 0/5] drm/bridge: simple-bridge: Add DPI color encoder
 support

Hello Liu,

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?

Thanks,
Francesco