linux-kernel - Re: [PATCH 0/2] Enable HDMI features on NanoPC-T6

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Message-ID: <jzoyhh73c5dmvvkfkvnnig3bzcgpr3fvrfrosvkeft26ovimze@i5akqrmk524i>
Date: Wed, 26 Mar 2025 03:28:00 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Marcin Juszkiewicz <mjuszkiewicz@...hat.com>
Cc: linux-rockchip@...ts.infradead.org, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Heiko Stuebner <heiko@...ech.de>, Johan Jonker <jbx6244@...il.com>, 
	Rick Wertenbroek <rick.wertenbroek@...il.com>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, cristian.ciocaltea@...labora.com
Subject: Re: [PATCH 0/2] Enable HDMI features on NanoPC-T6

Hi,

On Tue, Mar 25, 2025 at 08:51:45PM +0100, Marcin Juszkiewicz wrote:
> This patchset follows other SBCs and enables second HDMI output and then
> enables HDMI audio on both ports.
> 
> Tested with 1920x1080@60 and 3440x1440@60 displays. Worked nice, audio
> played on both monitors.
> 
> Would be nice to have an option for more than 60Hz (larger screen can do
> 75Hz) but I assume that this will come one day.

3440x1440 can be used up to 90Hz with 600 MHz TMDS signalling [0].
So it does not require FRL and as far as I know should work once
the scrambling support patches from Cristian (added to Cc) land.

[0] https://en.wikipedia.org/wiki/HDMI

Greetings,

-- Sebastian

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