Re: fb and multiple adapters

[Antonino Daplas <adaplas@pol.net>]

On Sat, 2002-12-28 at 08:39, Jon Smirl wrote:
> I'm looking into running framebuffers on multiple
> video adapters. My current setup has an ATI AGP Radeon
> 9000 as the primary adapter and a ATI PCI Rage128 as
> the secondary. 
> 
> The Rage128 driver won't load in this config. So the
> first thing I did was to add my board's id to it, PD.
> Now I'm at the point where the expansion ROM isn't
> enabled and the adapter isn't initialized.
> 
> Should I add code to aty128fb to enable the ROM and
> execute the initialization code (like X does)? What
> the overall policy towards framebuffers initializing
> secondary adapters? 
> 

No policy really.  However, doing that will involve setting up a "real
mode" (bit 16) environment to intercept BIOS int10 calls which are
necessary to initialize the graphics ROM.

If I need too, I usually do this the hard way, I let X initialize the
secondary card, exit X, then load the framebuffer driver module.

Tony




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