Re: [XenPPC] [PATCH] Disable DPM until code is audited

[Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>]

> Do not set the NAP and DPM bits in HID0 until we have had a chance to
> audit the safe halt and idle loop code.  Not setting these bits allows
> the model 884241X JS20 blade in TRL to boot correctly, and possibly  
> also
> the Maple in YKT.  Thanks to Jimi for his help in this matter.
Is the DPM change required?  I never saw any problems
here...  NAP and other power saving modes can cause
problems for sure (for example, on pre-970MP 970s, some
power saving modes require flushing the L2 before entering
that mode, etc.)


Segher


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