Re: No HDMI output on AC100

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Am Freitag, den 14.06.2013, 23:26 +0200 schrieb Thierry Reding:
> On Fri, Jun 14, 2013 at 10:59:00PM +0200, Thomas Meyer wrote:
> > Am 14.06.2013 um 22:37 schrieb Thierry Reding <thierry.reding@xxxxxxxxx>:
> [...]
> > > I think I've seen a similar issue
> > > when that's not loaded, in which case DRM will turn off all outputs
> > > because there's nothing to display. Alternatively you could try to run
> > > an X server using the xf86-video-opentegra or xf86-video-modesetting
> > > drivers. That should definitely get you output on HDMI.
> > 
> > I did login blindly on tty2 and started xfce using the open tegra driver,
> > but still no hdmi output. I can send you the Xorg log file if you want
> > to.
> 
> Yes, Xorg output would be good. Additionally, dmesg output might help.
> Don't forget to pass drm.debug=0xf on the kernel command-line.
> 
> > Xfce seems to run correctly, as far as I can see all necessary processes
> > are running. The monitor I connect to the hdmi is an dvi monitor using
> > an dvi to hdmi adapter, so no sound is connected. But that shouldn't be
> > a problem.

btw. switching the mode with
$ xrandr  -d :0 --output HDMI-0 --mode 1680x1050

makes the external monitor output the display correctly...

also switching to the highest possible resolution works after the first
mode switch:
$ xrandr  -d :0 --output HDMI-0 --mode 1920x1080

> 
> Audio over HDMI isn't working yet anyway.
> 
> Thierry



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