DVI Output works only if Monitor is switched on upon X-Org start

Alex Deucher alexdeucher at gmail.com
Sat Nov 1 16:34:35 PDT 2008

On Sat, Nov 1, 2008 at 12:46 PM, Hendrik Friedel <hen_mail at web.de> wrote:
> Hello,
> I'm using a LCD TV on my Radeon 9200. The TV has a conbined VGA/DVI Input. I
> can switch between 'DVI-Analog' and 'DVI-Digital' on the menu of the TV.
> If I start X and the TV is switcht to DVI-Digital, everything works fine.
> But if I don't switchthe TV on or switch it to DVI-Analog when the X-Server
> starts, I find no way of getting an Output on my TV via DVI-Digital. Only
> DVI-Analog works then.
> What I'd like to realise is, that the DVI-Digital always works, no matter
> what the TV is switched to. If this is not possible, I'd like to switch it
> on without restarting the X-Server vie commandline.
> Is that possible?

You can dynamically turn outputs on and off with xrandr 1.2.  Based on
your log it looks like you are using an old pre-randr 1.2 version of
the radeon driver.  Upgrade to xf86-video-ati 6.8.0 or 6.9.0.


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