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Subject: Re: PowerPC radeon KMS - is it possible?
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Date: Wed, 18 Apr 2012 20:35:38 +1000
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On Wed, 2012-04-18 at 09:46 +0200, Andreas Schwab wrote:
> Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
> 
> > 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.
> 
> How hard would it be to add it?

The code itself is relatively self contained, but the KMS power
management side is a bit ... messy :-) So the real deal is to figure out
how best to "hook it up" there.

There's some duplication 
Cheers,
Ben.