Re: Patch to control VGA bus routing and active VGA device.

[Jesse Barnes]

On Monday, January 24, 2005 9:25 am, Jesse Barnes wrote:
> On Saturday, January 22, 2005 11:04 am, Jon Smirl wrote:
> > > Well, not all of them, which is why I asked.  Though obviously this
> > > patch will need some very platform specific bits at any rate.
> >
> > What is a case of where the VGA forwarding bit isn't in the bridge
> > control? It's part of the PCI spec to have it.
>
> Hmm... lemme check my specs.  It doesn't look like we support that aspect
> of the PCI spec in our bridges.

Btw, I don't think this is the only chipset that doesn't support the VGA 
routing bit, so new code shouldn't assume that it's ok to access VGA ports 
w/o an offset based on the PCI bus the device is on.

Jesse
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