linux-kernel - Re: [PATCH v6 0/4] drm/tidss: Add OLDI bridge support

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Message-ID: <2909146e-dffa-400b-b3ae-c0432c4a0bae@linux.dev>
Date: Sat, 29 Mar 2025 19:28:39 +0530
From: Aradhya Bhatia <aradhya.bhatia@...ux.dev>
To: Francesco Dolcini <francesco@...cini.it>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
 Jyri Sarha <jyri.sarha@....fi>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Thomas Zimmermann <tzimmermann@...e.de>, Maxime Ripard <mripard@...nel.org>,
 David Airlie <airlied@...il.com>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Simona Vetter <simona@...ll.ch>, Nishanth Menon <nm@...com>,
 Vignesh Raghavendra <vigneshr@...com>, Devarsh Thakkar <devarsht@...com>,
 Praneeth Bajjuri <praneeth@...com>, Udit Kumar <u-kumar1@...com>,
 Jayesh Choudhary <j-choudhary@...com>,
 DRI Development List <dri-devel@...ts.freedesktop.org>,
 Devicetree List <devicetree@...r.kernel.org>,
 Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 0/4] drm/tidss: Add OLDI bridge support

Hi Francesco,

On 28/03/25 18:14, Francesco Dolcini wrote:
> Hello Aradhya,
> 
> On Wed, Feb 26, 2025 at 11:42:56PM +0530, Aradhya Bhatia wrote:
>> The AM62Px SoC has 2 OLDI TXes like AM62x SoC. However, the AM62Px SoC also has
>> 2 separate DSSes. The 2 OLDI TXes can now be shared between the 2 VPs of the 2
>> DSSes.
> 
> Do we have support for 2 independent single link LVDS/OLDI display + 1 x DSI
> display? From my understanding the SoC should support it, but it's not
> clear if the SW does support it.

The AM62Px SoC does indeed support the configuration that you mention,
but the mainline tidss driver does not support AM62Px DSSes yet.

This series only adds support for the OLDI TXes found in TI's DSS
hardware.

-- 
Regards
Aradhya