PowerPC radeon KMS - is it possible?

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Apr 18 16:59:06 EST 2012


On Tue, 2012-04-17 at 20:49 +0100, o jordan wrote:
> Hi list,
> 
> 
> Firstly let me say thanks for the great work you do!!!
> 
> 
> I've been trying to get Kernel Mode Setting working on my iBook with
> Ubuntu 12.04.  I can only get it working by forcing PCI mode
> (agpmode=-1).  Setting agpmode=1 or a higher number just results in
> freezing and a flashing screen.  Does anybody know how to get it
> working fully with agp?
> 

Note also that KMS doesn't afaik have the power management code that
radeonfb has for those old Mac chipsets, so suspend/resume won't work.

Cheers,
Ben.





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