Re: No HDMI output on AC100

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Am 12.06.2013 um 12:50 schrieb Thierry Reding <thierry.reding@xxxxxxxxx>:

> On Sun, Jun 9, 2013 at 10:52 AM, Thomas Meyer <thomas@xxxxxxxx> wrote:
> [...]
>> oops! I think everthing did always work correctly! But somehow Fedora 19
>> fails to spawn a getty on the tty1/fb0 console... so I just did see a
>> black screen :-)
> 
> Just to confirm. This isn't a tegra-drm issue, but rather Fedora 19 not
> spawning getty? Or is something in tegra-drm causing getty to fail? That
> would be surprising, but I'm trying to figure out if I need to
> investigate or not. =)
> 
Hi,

Please forget the getty thing as it was nonsense. The tegra hdmi driver seems to work, once it decides to output a signal. I was somehow able to trigger this the last time, but I don't know how to reproduce this.

So when I boot with the hdmi monitor connected all I get is a blank screen with no backlight ( I'm talking about the external hdmi monitor here, not the LCD panel!)

And some unknow thing (load of a module? Loading udl driver? Restarting getty?) seems to trigger that the tegra hdmi driver starts to output a valid hdmi signal and the external monitor shows the tegra hdmi framebuffer console.

The ac100 is otherwise up and running and I can ssh into it.

Any ideas?

> Thierry
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