Radeon Dynamic Power Management 0.1.0

[William Wong]

Name: Radeon Dynamic Power Management
Version: 0.1.0
Type: Plasmoid Script
Depend: KDE 4.x
License: GPL
Homepage: http://en.librehat.com
More Info:
http://kde-apps.org/content/show.php?content=161680

Description:
 [b]Introduction[/b]

This QML plasmoid applet allows you to control and
monitor the dynamic power management status of
AMD/ATI graphics cards.

Linux Kernel >= 3.11 and KDE >= 4.11 are required.

It does **NOT** work with the proprietary
**fglrx** driver.

[b]Usage[/b]

1. Kernel 3.11.x or 3.12.x must have the argument
[u]radeon.dpm=1[/u] to enable Radeon\'s Dynamic
Power Management (DPM).
2. You also have to enalbe normal users write to
some /sys/class/drm/card0/device/ files by
implementing commands below:

[indent]sudo chmod a+w
/sys/class/drm/card0/device/power_dpm_force_performance_level
sudo chmod a+w
/sys/class/drm/card0/device/power_dpm_state[/indent]

3. Install this plasmoid and put it on your
desktop (doesn\'t support panel at this stage).

On some distributions like Fedora, you may want to
switch to root by [b]su[/b] instead of using
[b]sudo[/b].

If you find it displays incorrectly, click the
refresh button. :D

[b]Debug Info[/b]

You can check the current power level, voltage
information by looking into the debug subsystem.

[indent]sudo cat
/sys/kernel/debug/dri/64/radeon_pm_info[/indent]

[i]I don\'t think these information are helpful
nor useful, thus they won\'t be displayed in this
applet.[/i]

[b]Related[/b]

If you want to know more about the tunable
options, please check AMD\'s Alex Deucher\'s blog
post:
[url]http://www.botchco.com/agd5f/?p=57[/url]





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