Re: [Linux-fbdev-devel] Supporting various depth

[James S. <jsi...@tr...>]

> This won't exactly work - there are some ways to access the vga
> registers - io (might be remapped from 0x3c0-03df to other address),
> memory mapped (at any address) or other (nvidia uses other). Also the
> memory in the linear aperture is organized differently (at least on the
> nvidia) then the memory at 0xa0000-0xc0000. The solution is probably for
> the chipset drivers to supply functions (incrtc, outcrtc, etc.)

So basically I need a vga_ops struct that defines functions to access the
vga_region. Have any ideas what is needed? How is the linear aperture
arranged differently?