linux-kernel - Re: [PATCH] drm/mediatek: stop selecting foreign drivers

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Message-Id: <1d8c6f65-5baa-459e-ba34-4e45ca20baf6@app.fastmail.com>
Date: Wed, 18 Dec 2024 12:44:30 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: "AngeloGioacchino Del Regno" <angelogioacchino.delregno@...labora.com>,
 "Arnd Bergmann" <arnd@...nel.org>, "Chun-Kuang Hu" <chunkuang.hu@...nel.org>,
 "Philipp Zabel" <p.zabel@...gutronix.de>, "Dave Airlie" <airlied@...il.com>,
 "Simona Vetter" <simona@...ll.ch>,
 "Matthias Brugger" <matthias.bgg@...il.com>, "CK Hu" <ck.hu@...iatek.com>
Cc: "Maxime Ripard" <mripard@...nel.org>,
 "Jani Nikula" <jani.nikula@...el.com>,
 "Geert Uytterhoeven" <geert+renesas@...der.be>,
 "Thomas Zimmermann" <tzimmermann@...e.de>,
 "Chen-Yu Tsai" <wenst@...omium.org>,
 "Dmitry Baryshkov" <dmitry.baryshkov@...aro.org>,
 Ville Syrjälä <ville.syrjala@...ux.intel.com>,
 dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] drm/mediatek: stop selecting foreign drivers

On Wed, Dec 18, 2024, at 11:50, AngeloGioacchino Del Regno wrote:
> Il 18/12/24 09:58, Arnd Bergmann ha scritto:
>> From: Arnd Bergmann <arnd@...db.de>
>
> The problem is - no PHY no party, it's not going to work without... but 
> I get the
> reasons behind this change.
>
> Are we sure that we can't just add a `depends on PHY_MTK_xxxx` (or extend
> depends on DRM_MEDIATEK && PHY_MTK_xxx)?

Doing this wouldn't cause any problems, but it also doesn't
really help much, you just have to know which devices are
present and enable all their drivers anyway.

We used to just select all drivers from arch/arm/mach-*/Kconfig
on some older platforms, but this was too much of a hassle.

      Arnd