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From: Heiko =?ISO-8859-1?Q?St=FCbner?= <heiko@sntech.de>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
 Neil Armstrong <neil.armstrong@linaro.org>, Robert Foss <rfoss@kernel.org>,
 Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
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 Conor Dooley <conor+dt@kernel.org>, Mark Yao <markyao0591@gmail.com>,
 Cristian Ciocaltea <cristian.ciocaltea@collabora.com>,
 Luis de Arquer <ldearquer@gmail.com>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
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 Alexandre ARNOUD <aarnoud@me.com>, Algea Cao <algea.cao@rock-chips.com>
Subject:
 Re: [PATCH 13/14] drm/bridge: synopsys: Add DW HDMI QP TX controller driver
Date: Thu, 06 Jun 2024 00:16:35 +0200
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Am Mittwoch, 5. Juni 2024, 21:58:23 CEST schrieb Luis de Arquer:
> On 6/5/24 16:48, Heiko St=FCbner wrote:
> > Without this change, connecting to a DVI display does not work, and
> > reading the EDID ends in the "i2c read error" below.
>=20
> I had a lot of problems initially with the vendor driver on my DVI=20
> display, and am aware that several changes were required.
>=20
> However, I tested Cristian patch and worked fine. All modes were=20
> apparently detected from the display and they all worked. But maybe I=20
> was just lucky and it was using a somehow cached table, I can't say.
>=20
> This is an AOC DVI display from 2011 with a passive adapter.

=46or me it is an LG IPS235. On its native hdmi input I always get regular
1080p output. But on its DVI input I always ran into the i2c read error
before adding that change.

I guess I should determine which reads actually fail.