Re: [PATCH 13/14] drm/bridge: synopsys: Add DW HDMI QP TX controller driver

Heiko Stübner
2024-06-05T22:17:24Z

Am Mittwoch, 5. Juni 2024, 21:58:23 CEST schrieb Luis de Arquer:
> On 6/5/24 16:48, Heiko Stübner wrote:
> > Without this change, connecting to a DVI display does not work, and
> > reading the EDID ends in the "i2c read error" below.
>
> I had a lot of problems initially with the vendor driver on my DVI
> display, and am aware that several changes were required.
>
> However, I tested Cristian patch and worked fine. All modes were
> apparently detected from the display and they all worked. But maybe I
> was just lucky and it was using a somehow cached table, I can't say.
>
> This is an AOC DVI display from 2011 with a passive adapter.

For 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.