How to make use of Graphics Chips Power Management features

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Revision as of 00:43, 5 February 2005 by 140.247.62.119 (Talk) (debian x.org howto)
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DynamicClocks in the Radeon Xorg driver

The xorg X server has support for a power saving feature from ATI called PowerPlay. Xorg calls this feature DynamicClocks. It can be enabled in the server by adding Option "DynamicClocks" "on" in the Device section in /etc/X11/xorg.conf 

Section "Device"
       Identifier  "Videocard0"
       Driver      "radeon"
       VendorName  "IBM Thinkpad"
       BoardName   "ATI Radeon Mobility M9"
       Option      "DynamicClocks" "on"
EndSection


With this option enabled, the X11 server should print (/var/log/Xorg.0.log): 

(**) RADEON(0): Option "DynamicClocks" "on"
(II) RADEON(0): Dynamic Clock Scaling Enabled

http://www.ati.com/products/pdf/powerplaywp2.pdf

x.org on Debian

Because debian doesn't have X.org yet - Installing a non-intrusive X.org server on Debian.

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