[ltp] [Power management] DynamicClocks

[Paul RIVIER]

>>>>My laptop is a T42, ATI 9600.
>>>>        
>>>>
>>>This is an X31, ATI Radeon Mobility M6 LY.
>>>      
>>>
>>The M6 LY doesn't support PowerPlay (the feature which is turned on by
>>DynamicClocks), so you won't see any difference.
>>    
>>
>
>Interesting, My R40 says this:
>/sbin/lspci | grep ATI
>0000:01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility 
>M6 LY
>  
>
Ok

>grep -i Dynamic /var/log/Xorg.0.log
>(**) RADEON(0): Option "DynamicClocks" "On"
>(II) RADEON(0): Dynamic Clock Scaling Enabled
>
>Very subjectively, temperature of machine on lap, it seems to be a lot cooler 
>when the DynamicClocks are one,
>
>  
>
you may check the GPU temp by using the last ibm-acpi module - 0.11 - 
then cat /proc/acpi/ibm/temperatures
On my laptop (T42 / ATI radeon 9600) it is the fourth value.

paul

>What's going on?
>Is it telling me fibs?
>
>--
>CS
>  
>