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SubjectRe: MTRR setting and framebuffer driver
Jamie Lokier wrote:
>
> Jeff Garzik wrote:
> > > I don't think it has anything to do with PCI.
> >
> > vesafb is ISA/PCI-only, at least.
>
> Actually I don't think vesafb knows what kind of bus its using.
> It could just as well by EISA, VLB or a mystery thing.
>
> The only thing vesafb knows is the physical address range returned by
> the VESA BIOS.

Once that is known, it is trivial to scan the regions allocated to a PCI
bus for a matching address range.

Jeff




--
Custom driver development | Never worry about theory as long
Open source programming | as the machinery does what it's
| supposed to do. -- R. A. Heinlein

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