Difference between revisions of "How to make use of Graphics Chips Power Management features"
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'''Update:''' X.org has made it into Debian. See: [http://packages.debian.org/unstable/x11/xserver-xorg] | '''Update:''' X.org has made it into Debian. See: [http://packages.debian.org/unstable/x11/xserver-xorg] | ||
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+ | There are also sarge backports available [http://www.backports.org/ here] or [http://people.debian.org/~nobse/xorg-x11/ here]. | ||
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+ | deb http://people.debian.org/~nobse/xorg-x11/ sarge main | ||
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[[Category:G40]] [[Category:G41]] [[Category:R32]] [[Category:R40]] [[Category:R40e]] [[Category:R50]] [[Category:R50e]] [[Category:R50p]] [[Category:R51]] [[Category:R52]] [[Category:T30]] [[Category:T40]] [[Category:T40p]] [[Category:T41]] [[Category:T41p]] [[Category:T42]] [[Category:T42p]] [[Category:T43]] [[Category:T43p]] | [[Category:G40]] [[Category:G41]] [[Category:R32]] [[Category:R40]] [[Category:R40e]] [[Category:R50]] [[Category:R50e]] [[Category:R50p]] [[Category:R51]] [[Category:R52]] [[Category:T30]] [[Category:T40]] [[Category:T40p]] [[Category:T41]] [[Category:T41p]] [[Category:T42]] [[Category:T42p]] [[Category:T43]] [[Category:T43p]] |
Revision as of 20:52, 23 July 2005
Power Saving With A Framebuffer Console
In order to use the dynamic GPU clock-scaling similar to what X.org has, you need to use the radeonfb kernel module. You'll need to enable the CONFIG_FB_RADEON in your kernel configuration. If setup correctly you should see something like the following in your kernel log:
radeonfb: Dynamic Clock Power Management enabled
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.
Update: X.org has made it into Debian. See: [1]
There are also sarge backports available here or here.
deb http://people.debian.org/~nobse/xorg-x11/ sarge main