[Linux-fbdev-devel] Re: FB model basic issues (WAS: radeon, apertures & memory mapping)

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Mar 16 15:20:07 PST 2005


On Wed, 2005-03-16 at 11:48 -0500, Adam Jackson wrote:
> On Wednesday 16 March 2005 09:09, Ville Syrjälä wrote:
> > On Wed, Mar 16, 2005 at 05:31:16PM +1100, Benjamin Herrenschmidt wrote:
> > > Well, do they "revert" it after atyfb/aty128fb/radeonfb set it then ?
> > > it's definitely set on mode switch.
> >
> > The point is that there can be offscreen surfaces with different depth
> > than the fbdev surface.
> 
> _Will_ be.  Otherwise GL and Render performance drops through the floor.

Yes, but again, GL/DRI knows how to play with the swapper, that is not
my point. Looks like people here prefer arguing for the sake of it
rather than trying to make progress...

I think I'll just decide something randomly in radeonfb and let folks
cope with it.

Ben.





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