Messages in this thread | | | Date | Tue, 14 Sep 1999 18:02:26 -0400 | From | Jeff Garzik <> | Subject | Re: MTRR setting and framebuffer driver |
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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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