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From: "Arnd Bergmann" <arnd@arndb.de>
To: "Luca Ceresoli" <luca.ceresoli@bootlin.com>,
	"Arnd Bergmann" <arnd@kernel.org>,
	"Dave Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>
Cc: "Sasha Finkelstein" <k@chaosmail.tech>,
	"Janne Grunau" <j@jannau.net>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"Manikandan Muralidharan" <manikandan.m@microchip.com>,
	"Dharma.B" <dharma.b@microchip.com>,
	"Nicolas Ferre" <nicolas.ferre@microchip.com>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
	"Claudiu Beznea" <claudiu.beznea@tuxon.dev>,
	"Jagan Teki" <jagan@amarulasolutions.com>,
	"Andrzej Hajda" <andrzej.hajda@intel.com>,
	"Neil Armstrong" <neil.armstrong@linaro.org>,
	"Robert Foss" <rfoss@kernel.org>,
	"laurent.pinchart" <Laurent.pinchart@ideasonboard.com>,
	"Jonas Karlman" <jonas@kwiboo.se>,
	"Jernej Skrabec" <jernej.skrabec@gmail.com>,
	"Liu Ying" <victor.liu@nxp.com>, "Frank Li" <Frank.Li@nxp.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"Doug Anderson" <dianders@chromium.org>,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Chun-Kuang Hu" <chunkuang.hu@kernel.org>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora.com>,
	"Rob Clark" <robin.clark@oss.qualcomm.com>,
	"Dmitry Baryshkov" <lumag@kernel.org>,
	"Abhinav Kumar" <abhinav.kumar@linux.dev>,
	"Jessica Zhang" <jesszhan0024@gmail.com>,
	"Sean Paul" <sean@poorly.run>,
	"Marijn Suijten" <marijn.suijten@somainline.org>,
	"Marek Vasut" <marex@denx.de>, "Stefan Agner" <stefan@agner.ch>,
	"Orson Zhai" <orsonzhai@gmail.com>,
	"Baolin Wang" <baolin.wang@linux.alibaba.com>,
	"Chunyan Zhang" <zhang.lyra@gmail.com>,
	"Jyri Sarha" <jyri.sarha@iki.fi>,
	"Tomi Valkeinen" <tomi.valkeinen@ideasonboard.com>,
	"Icenowy Zheng" <zhengxingda@iscas.ac.cn>,
	dri-devel@lists.freedesktop.org, asahi@lists.linux.dev,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev,
	linux-mediatek@lists.infradead.org,
	linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org
Subject: Re: [PATCH] drm/bridge: add missing drm/drm_panel.h inclusions
Date: Tue, 29 Sep 2026 13:26:36 +0200	[thread overview]
Message-ID: <4a566036-af8c-494e-9749-cd713d952d39@app.fastmail.com> (raw)
In-Reply-To: <DLRMF4TI56I2.3PTB24KN9ORJ3@bootlin.com>

On Tue, Sep 29, 2026, at 09:27, Luca Ceresoli wrote:
> On Mon Sep 28, 2026 at 6:04 PM CEST, Arnd Bergmann wrote:

>
> So I see two option for a better fix:
>
>  * Option 1 -- fix the really affected drivers by switching from the
>    deprecated API to the one they recommended one. Based on quick analysis
>    there are about 6.
>
>  * Option 2 -- a quick surgical fix:
>
>    In drm_of.h:
>
>      #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
>       #include <linux/of.h>
>       #include <drm/drm_bridge.h>
>      -#include <drm/drm_panel.h>
>       #endif
>      +#include <drm/drm_panel.h> /* Temporary for *_of_get_bridge() */
>
>    This can easily be tracked and reverted once all
>    devm_drm_of_get_bridge() users are converted to
>    of_drm_get_bridge_by_endpoint().
>
> I'm working right now on option 1, hoping to get a series in a few hours
> from now.

Sounds good to me.

> I can switch to option 2 in case of unexpected issues with option
> 1, or if a fix "really right now" is wanted.

It's only really a problem for randconfig build bots, so as long as
you are fine with getting more reports (and possibly patches from
others) until your fix is in linux-next, I don't think we need
another workaround first.

I've added your new series on my randconfig tree in place of my
patch and will let you know if something comes up. 

     Arnd


      parent reply	other threads:[~2026-09-29 11:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-28 16:04 [PATCH] drm/bridge: add missing drm/drm_panel.h inclusions Arnd Bergmann
2026-09-28 22:20 ` Doug Anderson
2026-09-29  7:27 ` Luca Ceresoli
2026-09-29 10:39   ` Luca Ceresoli
2026-09-29 11:26   ` Arnd Bergmann [this message]

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