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

[Benjamin Herrenschmidt]

> Why don't we modify the new radoenfb driver to have a real
> arbitration/management layer. Directfb can continue to use the old
> driver. The rule is that you can't mix old and new style fbdev drivers
> in a system. Over time DirectFb and X can be fixed to use the new
> model.
> 
> There is going to have to be a transition path while we debug the
> arbitration/management layer and figure out the right API for it.
> Supporting multiple disparate users of the graphics hardware is a
> quite complex feature that no other operating system implements.

I prefer letting the heat cool down for now. I'll implement the actual
mode setting etc... with a very basic memory management, and we'll move
from there once I have the code.

Ben.