DVI output on i.MX51 EVP board not working?

Wladimir J. van der Laan laanwj at gmail.com
Sun Apr 2 14:03:56 UTC 2017

On Sat, Apr 01, 2017 at 06:40:52PM -0300, Fabio Estevam wrote:
> Hi Wladimir,
> On Fri, Mar 31, 2017 at 2:36 AM, Wladimir J. van der Laan
> <laanwj at gmail.com> wrote:
> > - Went as far back as kernel v4.0, even to v3.12 or so (commit 493a863, "ARM:
> >   dts: imx51-babbage: Make DVI and WVGA panel functional"). No difference. So nothing to
> >   bisect, unfortunately.
> It was a long time I worked on this commit and it worked well for me
> on an old DVI monitor.

An extra data point: I tried with an older monitor (max 1280x1024) w/ DVI to
DVI cable, exactly the same behavior: u-boot shows output but "no signal" when
kernel boots. I was not able to go all the way back though, and only tested
this with mainline.

> I will try to locate such monitor in the office next week and try it again.



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