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Radeon Dynamic Power Management

   0.3.0  

Plasmoid Script

Score 58%
Radeon Dynamic Power Management
zoom


Radeon Dynamic Power Management
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Blog:  http://en.librehat.com
Minimum required   KDE 4.x
Downloads:  121
Submitted:  Nov 7 2013
Updated:  Nov 9 2013

Description:

Introduction

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.

Usage

1. Kernel 3.11.x or 3.12.x must have the argument radeon.dpm=1 to enable Radeon's Dynamic Power Management (DPM).
2. You also have to enable normal users write to some /sys/class/drm/card0/device/ files by implementing commands below. For permanent changes(recommended), add these two lines to /etc/rc.local or, for OpenSUSE users, in /etc/init.d/boot.local

chmod a+w /sys/class/drm/card0/device/power_dpm_force_performance_level
chmod a+w /sys/class/drm/card0/device/power_dpm_state


On some distributions like Fedora, you need to switch to root by su instead of using sudo to run those commands.

3. Install this plasmoid and put it on your desktop or panel.

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

Debug Info

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

sudo cat /sys/kernel/debug/dri/64/radeon_pm_info


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

Related

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




Changelog:

v0.3.0
* fix a bug
* support "set on boot" (similar to "save config" in the old radeon pm applet)
* new icon

v0.2.0
* add configuration dialog
* support popup applet mode
* uI polishes

v0.1.0
* inital




LicenseGPL
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 Great Work!

 
 by xophermc on: Dec 15 2013
 
Score 50%

Great thanks for the widget!


Reply to this

-
.

 Are the config files different now?

 
 by NChaos on: Jan 14 2014
 
Score 50%

Hi, I just transferred from windows to Opensuse recently, and since then the fan of my radeon goes at 100%. I would really like to solve this using your app, but I can't find the files necessary to allow it to take control. The path is fine, there are no such files inside the device folder though.


Reply to this

-

 Re: Are the config files different now?

 
 by librehat on: Jan 15 2014
 
Score 50%

If there is no such file under device directory, you probably need to enable Radeon dynamic power management manually.
Add radeon.dpm=1 to your kernel/linux line in GRUB.


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