ATI Radeon video performance drop when laptop heating up

Jean-Michel POURE jm at poure.com
Wed Jun 29 13:57:48 PDT 2005


Dear all,

I am using xorg 2.6.8 on an ASUS laptop with a Radeon Mobility M7 LW graphic 
card. The laptop is configured with Debian + Ubuntu xorg packages. 

I was too lazy to install xorg from source.

xorg is configured with DRI and XV. Playing a DVD under xine only consumes 40% 
of the computer activity. But when the laptop warms up, activity climbs to 
100%. 

The performance of OpenGL software (like glxgeras) stays the same, but 
performance of video playback drops dramatically.

Are you aware of any relation between a laptop temperature and the performance 
of a video card? Is there a way to playback video with good quality, even 
when the laptop heats up?

Kind regards,
Jean-Michel



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