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

[Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>]

> > -    /* FIXME 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. */
> > +    /* FIXME Do not set the NAP bit in HID0 until we have had a  
> > chance
> > +     * to audit the safe halt and idle loop code. */
> >      hid0.bits.nap = 0;      /* NAP */
> > -    hid0.bits.dpm = 0;      /* Dynamic Power Management */
> > +    hid0.bits.dpm = 1;      /* Dynamic Power Management */
> >      hid0.bits.nhr = 1;      /* Not Hard Reset */
> >      hid0.bits.hdice_en = 1; /* enable HDEC */
> This works on the JS20 in TRL.
Great to hear DPM is just fine.  NAP is expected to have
problems on CPUs before 970MP, it needs special setup.


Segher


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