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SubjectRe: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers.
Dagfinn Ilmari Mannsåker wrote:
> Arjan van de Ven <> writes:
>> Henrique de Moraes Holschuh wrote:
>>> On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
>>>> Setting Effect
>>>> ----------------------------------------------------------
>>>> min_power ALPM is enabled, and link set to enter lowest
>>>> power state (SLUMBER) when idle
>>>> Hot plug not allowed.
>>>> max_performance ALPM is disabled, Hot Plug is allowed
>>>> medium_power ALPM is enabled, and link set to enter
>>>> second lowest power state (PARTIAL) when
>>>> idle. Hot plug not allowed.
>>> Just some food for thought:
>>> If you split it into a enable/disable (0/1) attribute, and a level
>>> attribute
>> on/off doesn't really make sense if the question is "do you favor power
>> or do you favor performance".......
> How about just making it a numeric scale with 0 meaning no power saving
> and then some fixed number of levels (e.g 0-9)?

The original proposal seems far more intuitive than these alternatives.


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