On 03-01-17, 16:36, Shilpasri G Bhat wrote: > In P8+, Workload Optimized Frequency(WOF) provides the capability to > boost the cpu frequency based on the utilization of the other cpus > running in the chip. The On-Chip-Controller(OCC) firmware will control > the achievability of these frequencies depending on the power headroom > available in the chip. Currently the ultra-turbo frequencies provided > by this feature are exported along with the turbo and sub-turbo > frequencies as scaling_available_frequencies. This patch will export > the ultra-turbo frequencies separately as scaling_boost_frequencies in > WOF enabled systems. This patch will add the boost sysfs file which > can be used to disable/enable ultra-turbo frequencies. > > Signed-off-by: Shilpasri G Bhat <shilpa.b...@linux.vnet.ibm.com> > Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com> > --- > Changes from v1: > - Print if WOF is enabled > - s/clean_notifiers/cleanup_notifiers > > drivers/cpufreq/powernv-cpufreq.c | 50 > ++++++++++++++++++++++++++++++++++++--- > 1 file changed, 47 insertions(+), 3 deletions(-)
Acked-by: Viresh Kumar <viresh.ku...@linaro.org> -- viresh
