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Message-ID: <f4d38bb8-f17f-464c-b406-b1fb908a975b@kernel.org>
Date: Sun, 1 Jun 2025 13:11:16 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jayesh Choudhary <j-choudhary@...com>, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, neil.armstrong@...aro.org,
khilman@...libre.com, devicetree@...r.kernel.org
Cc: jbrunet@...libre.com, martin.blumenstingl@...glemail.com,
shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
festevam@...il.com, cros-qcom-dts-watchers@...omium.org,
andersson@...nel.org, konradybcio@...nel.org, geert+renesas@...der.be,
magnus.damm@...il.com, linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, imx@...ts.linux.dev,
linux-arm-msm@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
dianders@...omium.org, linux-kernel@...r.kernel.org,
max.krummenacher@...adex.com, ernestvanhoecke@...il.com
Subject: Re: [PATCH] arm64: dts: Add no-hpd property for all ti-sn65dsi86
bridge consumers
On 29/05/2025 13:24, Jayesh Choudhary wrote:
> In the SN65DSI86 DSI-2-eDP bridge, HPD is not supported as of now.
> But DisplayPort connector_type usecases does need hpd to be enabled.
> In order not to break any platform from those driver changes, add
> "no-hpd" property to all the existing sn65dsi86 nodes (that don't
> have it already) as hpd is not being used there anyways.
>
> Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
> ---
>
> Upcoming driver changes that will break platforms if we do not have this
> property in all the existing sn65dsi86 nodes that assumes hpd is disabled:
> <https://lore.kernel.org/all/20250529110418.481756-1-j-choudhary@ti.com/>
That's obviously a NAK.
Best regards,
Krzysztof
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