Radeon : Exclude some memory zone

[Jerome Glisse]

On Sun, Jan 10, 2010 at 07:06:41PM +0100, José JORGE wrote:
> A Segunda 04 Janeiro 2010 23:46:32 José JORGE você escreveu:
> > The question : is it possible by myself to change the radeon driver to
> >  ignore a memory zone of a video card? Something like the badram patch for
> >  linux kernel?
> Just if someone had the time to answer simply forget it, or maybe done with 
> lots of work, I'd thank him...

It's doable, i think best way would be to allocate a serie of BO
covering the damaged area using the new ttm allocator which allow
to specify addr of BO. Then you need to pin all those BO. Maybe
the trickier part is to design the commandline argument to allow
such thing.

Cheers,
Jerome