lkml.org 
[lkml]   [2014]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v2] cpufreq: allow powersave governor as the default without expert mode
On 10/30/2014 02:18 PM, Rafael J. Wysocki wrote:
> On Thursday, October 16, 2014 07:37:11 AM James Geboski wrote:
>> The intel_pstate driver only supports the performance and the powersave
>> governors. With the performance governor ensuring the highest possible
>> performance settings, userspace tools fail to make any lasting changes.
>> In order to allow userspace tools to make modifications to the settings,
>> the powersave governor must be in use. This makes having the powersave
>> governor as the default convenient for systems where the intel_pstate
>> driver is being employed. Having to enable expert mode in the kernel
>> configuration is just a headache for such a trivial task.
>>
>> This patch applies to all kernel versions 2.6.38 or greater after the
>> migration from CONFIG_EMBEDDED to CONFIG_EXPERT (6a108a14fa35). Most
>> importantly, this applies to kernel versions 3.9 or greater when the
>> intel_pstate driver was introduced.
>>
>> Signed-off-by: James Geboski <jgeboski@gmail.com>
>> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
>
> Dirk, any objections?

No objection.
>
>> ---
>> ChangeLog v2:
>> - Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
>> ---
>> drivers/cpufreq/Kconfig | 1 -
>> 1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
>> index 3489f8f..73df7db 100644
>> --- a/drivers/cpufreq/Kconfig
>> +++ b/drivers/cpufreq/Kconfig
>> @@ -63,7 +63,6 @@ config CPU_FREQ_DEFAULT_GOV_PERFORMANCE
>>
>> config CPU_FREQ_DEFAULT_GOV_POWERSAVE
>> bool "powersave"
>> - depends on EXPERT
>> select CPU_FREQ_GOV_POWERSAVE
>> help
>> Use the CPUFreq governor 'powersave' as default. This sets
>>
>



\
 
 \ /
  Last update: 2014-10-31 07:41    [W:0.063 / U:0.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site