Re: r128/radeon drivers

On Wed, 2003-11-19 at 16:34, Jon Smirl wrote:
> --- Alex Deucher <agd5f-/[email protected]> wrote:
> > if we are starting fresh wouldn't it make sense to use the cce/cp for
> > everything rather than MMIO?  that would avoid having to wait for idle
> > and such when switching between MMIO and CCE.  If we have a kernel
> > component, it shouldn't be be an issue to use the CCE.
> 
> I think it would make a lot of sense to go CCE only for the main Radeon driver.
> 
> R300+ 2D could be handled by a separate MMIO driver.  When specs are available
> add the R300 to the main Radeon CCE driver and abanon the MMIO one until the
> next chipset arrives.

I don't see any reason to remove support for MMIO, unless we're going to
require some sort of other features provided by the DRM.  Making a
single set of accel funcs that supports MMIO and CCE is really easy. 
And the accel funcs are small anyway.

-- 
Eric Anholt                                [email protected]          
http://people.freebsd.org/~anholt/         [email protected]