linux-kernel - Re: [PATCH v2 2/2] drm/bridge: add support for lontium lt9211c bridge

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Message-ID: <30b5f19b-1ce9-4239-bf0a-d83d647608ce@mailbox.org>
Date: Fri, 7 Nov 2025 14:20:58 +0100
From: Marek Vasut <marek.vasut@...lbox.org>
To: Nilesh Laad <nilesh.laad@....qualcomm.com>,
 Andrzej Hajda <andrzej.hajda@...el.com>,
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>,
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Marek Vasut <marex@...x.de>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, venkata.valluru@....qualcomm.com,
 jessica.zhang@....qualcomm.com, Yi Zhang <zhanyi@....qualcomm.com>,
 Gopi Botlagunta <venkata.botlagunta@....qualcomm.com>
Subject: Re: [PATCH v2 2/2] drm/bridge: add support for lontium lt9211c bridge

On 11/7/25 2:02 PM, Nilesh Laad wrote:
> From: Yi Zhang <zhanyi@....qualcomm.com>
> 
> LT9211c is a Single/Dual-Link DSI/LVDS or Single DPI input to
> Single-link/Dual-Link DSI/LVDS or Single DPI output bridge chip.
> Add support for DSI to LVDS bridge configuration.
How does this differ from existing 
drivers/gpu/drm/bridge/lontium-lt9211.c ? Can existing lt9211 driver be 
extended instead ? If not, why ? Details please ...