[i810] Connecting a TV using the i915GM's SVideo output

Alan Hourihane alanh at fairlite.demon.co.uk
Wed Oct 25 14:08:00 PDT 2006


On Wed, 2006-10-25 at 13:56 -0700, Gautam Iyer wrote:
> On Wed, Oct 25, 2006 at 09:39:34PM +0100, Alan Hourihane wrote:
> 
> > > I've a laptop with an i915GM chip. My laptop has a VGA output and an
> > > SVideo output. With the 1.7.2 i810 driver, Xinerama / multihead work
> > > perfectly with the VGA output, but I can't get the SVideo output to
> > > work at all.
> > > 
> > > Has anyone on this list with a 915GM successfully managed to connect a
> > > TV to their computer using the SVideo output?
> > 
> > Have you tried connecting the TV at boot time ?
> 
> Yep! Makes no difference.
> 
> > Otherwise, you might want to try adding the option "DevicePresence" to
> > see if it detects the TV.
> 
> My TV is detected (though DevicePresence sometimes causes a crash). My
> Xorg.0.log claims that the TV is present.
> 
> However nothing I do is shown on the TV. I've tried Xinerama, seperate
> screens, clone, etc. I've also tried all possible values to the
> MonitorLayout option.

LFP and TV can't be on the same pipe, so you should be doing this ...

Option "MonitorLayout" "TV,LFP"

If that's what you are doing, post a log and I'll take a look.

Alan.




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