965 modesetting trouble

Eric Anholt eric at anholt.net
Mon Nov 13 14:07:32 PST 2006

On Sat, 2006-11-11 at 09:27 -0800, Jesse Barnes wrote:
> On Saturday, November 11, 2006 9:06 am, Jesse Barnes wrote:
> > Oops, I may have attached the wrong one.  I'll double check (I may
> > have installed the driver to the wrong directory... nope that looks
> > ok)... hm no I think I'm running the new driver...  I'll check out a
> > fresh tree and try again just in case.
> No it's worse than that I'm just an idiot (was installing to the wrong 
> directory after all).  Here's a hopefully more accurate logfile.

Oh, interesting.  So, this is a failure of our current SDVO code to
handle multiple SDVO outputs.  I haven't really decided how to handle
the multiple SDVO connections yet.  The messy part is that, as far as I
can tell:

- Each SDVO device may have 1 or 2 inputs from pipes, and 1 or 2
- 1 input may map to 2 outputs for cloning.
- 2 inputs may map to 1 output in ganged mode (high-bandwidth modes).
- 1 pipe may be mappable to an input on 2 SDVO devices for cloning (not

Right now I don't have any suitable hardware for testing ganged mode, so
I don't want to start hacking on this particular mess until I can get

I think you could get your hardware working by removing the
"i830_sdvo_init(pScrn, SDVOC);" line.

Eric Anholt                             anholt at FreeBSD.org
eric at anholt.net                         eric.anholt at intel.com
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