Re: [PATCH 0/9] drm/radeon/kms: update pm code

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On Fri, May 7, 2010 at 5:23 PM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote:
> On Fri, May 07, 2010 at 05:16:11PM -0400, Alex Deucher wrote:
>
>> "auto" selects between low and high power states based on the whether the system
>> is on battery power or not.  Even lower power states are selected when the monitors
>> are in the dpms off state.
>
> Beyond the constraints imposed in terms of some modes not being
> available on battery, I'd prefer to leave the ac/battery decision up to
> userspace. Having it be default behaviour at the kernel level is
> plausibly confusing.

Sounds fine.  Just have userspace switch between the low and high
profiles for battery and ac rather than using auto.  auto is useful as
a user option in the interim while userspace gets updated.

Alex
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