via k8m890 very slow with vesa

[Luc Verhaegen]

On Thu, Nov 23, 2006 at 11:42:43PM +0100, Henrik Lundberg wrote:
> Hi.
> I am having the exact same problem. vesa is terribly slow when moving
> windows or window contents.
> (Though, reasonably fast at drawing new content.)
> 
> Since it seems to be stuff that should be 2D accelerated that is slow I
> thaught maybe 2D acceleration was disabled. Obviously, without 2D
> acceleration there must be some software fallback in place, which leads
> me to yet another thing I don't understand. I'm sitting here with a
> modern integrated graphics chip somewhat tightly coupled with a 2GHz
> Athlon 64 which hits the roof when I'm dragging around half a million
> pixels. Shouldn't that be fast? The software fallback doesn't seem very
> optimized OR there's a bug somwhere between just behind my eyeballs and
> vesa_drv.so .
> 
> Lets go with the latter theory. According to my logs vesa and XAA loads
> fine and I see nothing else suspicious and related to this problem.
> 
> Like you, I have ShadowFB enabled. (default and good for performance
> says a man.)
> 
> Unlike you, I have Backing store enabled. (I honestly don't know what it
> is but I didn't notice any difference enabling it.)
> 
> I also tried drivers from viaarena, openchrome.org and
> unichrome.sourceforge.net, but with no luck in any case.
> 
> I hope someone with a solution sends it to this list.
> 
> Best regards,
> /Henrik
> 
Oh. A solution. An insta-fix. Freeze-dried so it preserves all the 
flavours and goodness. Just add some water, stir, and then sit back and 
enjoy.

That's exactly what we want, isn't it?

Luc Verhaegen.
http://unichrome.sf.net/