git: Avoiding an infinite loop during P-state adjustment on the HP6715s notebook.

[Sepherosa Ziehau]

commit 94514bea15a0328e256cda414594fe6e631705a5
Author: Imre Vadasz <imre at vdsz.com>
Date:   Sun Feb 23 01:08:12 2014 +0100

    Avoiding an infinite loop during P-state adjustment on the HP6715s notebook.
    
    The code is taken from the OpenBSD counterpart to amd0f_set_fidvid.
    The infinite loop probably occurs on my HP6715s because the rvo adjustment
    doesn't get applied by the hardware when entering the highest P-state
    (maybe because of some kind of overvolting protection).

Summary of changes:
 sys/platform/pc64/x86_64/cpufreq_machdep.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/94514bea15a0328e256cda414594fe6e631705a5


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