Re: [PATCH] Use MTRRs by default for vesafb on x86-64

Jamie Lokier
2003-05-19T00:15:27Z

Dave Jones wrote:
> > My point being that vesafb is used for maximum compatibility, when you
> > have no other way to drive an unknown framebuffer. It's the emergency
> > backup driver. Shouldn't it be robust when faced with an unknown
> > framebuffer type, new or old?
>
> It works just fine. Just you can't enable MTRRs for framebuffer memory.
> Losing a bit of performance for what is (by todays standards) a crap
> performing card anyways, is no big deal.

How do you know the blacklist is complete?

That's my point: with most drivers we accept a few surprises and
change the code, but vesafb is supposed to handle any old crap card
that's thrown at it, as robustly as possible.

-- Jamie