On Wed, 2 Jul 2003, Kendall Bennett wrote:
> Mark Vojkovich <[EMAIL PROTECTED]> wrote:
>
> > > We are trying to figure out how to get Dual Head working on the NVIDIA NV
> > > driver that is included in XFree86. From looking at the code, it would
> > > appear dual head mode is supposed to work; is that correct?
> >
> > Not at all. It only supports one head. While the driver can
> > be configured to use one or the other, it will only work on the
> > head that was posted because it relies on the BIOS to do much of
> > the HW setup.
>
> Ok. Our code is actually working with dual head on the NVIDIA cards
> provided that the BIOS has posted both heads to run in clone mode. On
> some cards the BIOS does not post the second head and only one head comes
> up, and the riva_hw.c module is not able to initialise the second head. I
> guess we are stuck in that case ;-)
This would be the expected behavior. You can run either head
if the card was posted in clone mode. You can probably even run
CRTs on the secondary head, but DFP will only work if it was
posted.
Mark.
_______________________________________________
Devel mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/devel
