setting up xorg.conf

[Daniel Stone]

On Wed, Apr 13, 2005 at 01:21:58AM +0100, Matthew Garrett wrote:
> On Wed, 2005-04-13 at 10:08 +1000, Daniel Stone wrote:
> > > libv: which makes it a BIOS dependant function, which only makes it 
> > > possible on the primary graphics card
> > 
> > Yeah, which sucks.
> 
> This bit can actually be solved without too much pain (a-ha ha ha) -
> it's a "simple" matter of reading the ROM off the secondary cards,
> setting up the PCI legacy video IO routing and then executing the code
> in it. Jon Smirl's been working on this sort of thing.

Right, but screwing around with PCI routing is so very nasty.  Last I
checked, you had to disable the IO routing for the primary card, then
walk the series of bridges, setting a specific VGA routing flag, then
enabling IO routing for that specific card.  If it gets done in the
kernel such that we can rather transparently cat the BIOS out of /sys,
more power to Jon.  I've certainly got no desire to do that in
userspace.
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