Re: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers.

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Dagfinn Ilmari Mannsåker wrote:
Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> 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.

	Jeff



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