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Re: [PATCH V2] cpufreq: powernv: Add boost files to export ultra-turbo frequencies

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

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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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