Re: Generic VESA framebuffer driver and Video card BOOT?

From: Pavel Machek
Date: Thu Oct 21 2004 - 07:08:34 EST


Hi!

> > > That works great on x86, but this solution was developed for PowerPC and
> > > MIPS embedded systems development not x86 desktop systems. For those
> > > platforms you either need a boot loader that can bring up the system into
> > > graphics mode (possible with U-Boot) or to init the video right when the
> > > framebuffer console driver is brought up.
> >
> > Right there are certainly cases where you need to do stuff very
> > early. Even then you may benefit because you can keep the kernel
> > side init pretty basic and also marked "__init" so it is freed post
> > boot.
>
> Right. I haven't yet figured out how to mark the code as __init so it can
> get tossed out, although if we use the VESA driver after the fact you
> would want to keep it around in that case. But to just boot the card and
> use say the Radeon FB driver it would be nice to toss out the code.
>
> I should probably look into that.

On any machine trying to do suspend-to-RAM, that POST code is likely
to be needed for suspend, too.
Pavel
--
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