linux-kernel - Re: [PATCH v6 10/26] drm/bridge: add devm_drm_of_get_bridge_by

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Message-ID: <20250207095409.1b6ba777@booty>
Date: Fri, 7 Feb 2025 09:54:09 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Simona Vetter <simona@...ll.ch>, Inki Dae <inki.dae@...sung.com>, Jagan
 Teki <jagan@...rulasolutions.com>, Marek Szyprowski
 <m.szyprowski@...sung.com>, Catalin Marinas <catalin.marinas@....com>, Will
 Deacon <will@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer
 <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Daniel Thompson <danielt@...nel.org>,
 Andrzej Hajda <andrzej.hajda@...el.com>, Jonathan Corbet <corbet@....net>,
 Sam Ravnborg <sam@...nborg.org>, Boris Brezillon <bbrezillon@...nel.org>,
 Nicolas Ferre <nicolas.ferre@...rochip.com>, Alexandre Belloni
 <alexandre.belloni@...tlin.com>, Claudiu Beznea <claudiu.beznea@...on.dev>,
 Jessica Zhang <quic_jesszhan@...cinc.com>, Paul Kocialkowski
 <contact@...lk.fr>, Maxime Ripard <mripard@...nel.org>, 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>, Maarten
 Lankhorst <maarten.lankhorst@...ux.intel.com>, Thomas Zimmermann
 <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Hervé Codina <herve.codina@...tlin.com>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>, linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, Paul Kocialkowski
 <paul.kocialkowski@...tlin.com>
Subject: Re: [PATCH v6 10/26] drm/bridge: add
 devm_drm_of_get_bridge_by_node()

On Fri, 7 Feb 2025 04:53:32 +0200
Dmitry Baryshkov <dmitry.baryshkov@...aro.org> wrote:

> On Thu, Feb 06, 2025 at 07:14:25PM +0100, Luca Ceresoli wrote:
> > devm_drm_of_get_bridge(), which is based on graph links, is the recommended
> > function to get a pointer to the following bridge.
> > 
> > This is valid even for panels, for which the recommended device tree
> > description is via graph links and not (or not only) panel subnodes of a
> > panel controller (e.g. "dsi@...4" controller node with a "panel@0"
> > subnode).
> > 
> > However there are drivers supporting the panel subnode description in  
> 
> I'd say, name them here (at least the one which we looked upon).

Sure, adding the samsung-dsim to the commit message. I'm not aware of
other drivers doing the same, but I will do a quick search.

Luca

-- 
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com