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Groups > linux.kernel > #1549708
| From | Viresh Kumar <viresh.kumar@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V2] cpufreq: powernv: Add boost files to export ultra-turbo frequencies |
| Date | 2017-01-03 12:10 +0100 |
| Message-ID | <sVv8C-5k0-17@gated-at.bofh.it> (permalink) |
| References | <sVv8B-5k0-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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.bhat@linux.vnet.ibm.com> > Reviewed-by: Gautham R. Shenoy <ego@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.kumar@linaro.org> -- viresh
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[PATCH V2] cpufreq: powernv: Add boost files to export ultra-turbo frequencies Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2017-01-03 12:10 +0100 Re: [PATCH V2] cpufreq: powernv: Add boost files to export ultra-turbo frequencies Viresh Kumar <viresh.kumar@linaro.org> - 2017-01-03 12:10 +0100
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