linux-kernel - Re: [PATCH v3] arm64: defconfig: mediatek: enable PHY drivers

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Message-ID: <986ad850-3e7c-43f4-84f0-cbce888676fe@notapiano>
Date: Thu, 13 Mar 2025 09:49:26 -0300
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Vignesh Raman <vignesh.raman@...labora.com>
Cc: linux-mediatek@...ts.infradead.org, chunkuang.hu@...nel.org,
	p.zabel@...gutronix.de, angelogioacchino.delregno@...labora.com,
	krzk@...nel.org, daniels@...labora.com, airlied@...il.com,
	simona.vetter@...ll.ch, arnd@...nel.org, ck.hu@...iatek.com,
	laura.nao@...labora.com, matthias.bgg@...il.com,
	tzimmermann@...e.de, mripard@...nel.org, lumag@...nel.org,
	ville.syrjala@...ux.intel.com, jani.nikula@...el.com, arnd@...db.de,
	geert+renesas@...der.be, wenst@...omium.org,
	linux-arm-kernel@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] arm64: defconfig: mediatek: enable PHY drivers

On Thu, Mar 13, 2025 at 09:38:24AM +0530, Vignesh Raman wrote:
> The mediatek display driver fails to probe on mt8173-elm-hana and
> mt8183-kukui-jacuzzi-juniper-sku16 in v6.14-rc4 due to missing PHY
> configurations.
> 
> Commit [1] stopped selecting the MediaTek PHY drivers, requiring them
> to be explicitly enabled in defconfig.
> 
> Enable the following PHY drivers for MediaTek platforms:
> - CONFIG_PHY_MTK_HDMI=m for HDMI display
> - CONFIG_PHY_MTK_MIPI_DSI=m for DSI display
> - CONFIG_PHY_MTK_DP=m for DP display
> 
> [1] commit 924d66011f24 ("drm/mediatek: stop selecting foreign drivers")

Usually this would go directly in the paragraph, like so:

  Commit 924d66011f24 ("drm/mediatek: stop selecting foreign drivers") stopped
  selecting the MediaTek PHY drivers, requiring them to be explicitly enabled in
  defconfig.

But that's just so you know in the future, you don't need to send a new version
just for that.

> 
> Fixes: 924d66011f24 ("drm/mediatek: stop selecting foreign drivers")
> Signed-off-by: Vignesh Raman <vignesh.raman@...labora.com>

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Thanks,
Nícolas