linux-kernel - Re: [PATCH 1/3] arm64: dts: meson: g12a: add drive-strength hdmi ddc pins

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Message-ID: <7hk1eh409k.fsf@baylibre.com>
Date:   Thu, 23 May 2019 09:13:27 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Neil Armstrong <narmstrong@...libre.com>
Cc:     linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] arm64: dts: meson: g12a: add drive-strength hdmi ddc pins

Martin Blumenstingl <martin.blumenstingl@...glemail.com> writes:

> On Mon, May 20, 2019 at 3:48 PM Neil Armstrong <narmstrong@...libre.com> wrote:
>>
>> With the default boot settings, the DDC drive strength is too weak,
>> set the driver-strengh to 4mA to avoid errors on the DDC line.
>>
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> Amlogic's vendor kernel (from buildroot-openlinux-A113-201901) does the same so:
> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>

Queued for v5.3,

Kevin