ATI Mobility Radeon HD 4570 - Overheat issue

[Alex Deucher]

2010/7/1 Donato Capitella <d.capitella at gmail.com>:
> Thanks, you are very helpful. And sorry for the overheat
> misunderstanding, English is not my native language after all :P
>

No worries.

> There is something I still don't understand. Suppose I try to use the
> 2.6.35 kernel... will things improve automagically or will I still
> need to tweak options inside xorg.conf to lower the temperature?
>

You'll need to manually set a profile or enable dynpm via sysfs.  See
this for more:
http://lists.freedesktop.org/archives/dri-devel/2010-May/000492.html
as of 2.6.35, there is now a mid profile as well.

> Thanks a lot for your work. As I said before, your driver shows better
> performances than the proprietary one on my laptop! Compiz, flash
> player, graphic rendering... everything looks smoother :-)
>

Glad to hear it.

Alex

> Donato
>
> 2010/7/1 Alex Deucher <alexdeucher at gmail.com>:
>> 2010/7/1 Rafał Miłecki <zajec5 at gmail.com>:
>>> W dniu 1 lipca 2010 16:28 użytkownik Alex Deucher
>>> <alexdeucher at gmail.com> napisał:
>>>> 2010/7/1 Rafał Miłecki <zajec5 at gmail.com>:
>>>>> W dniu 1 lipca 2010 12:08 użytkownik Donato Capitella
>>>>> <d.capitella at gmail.com> napisał:
>>>>>> Thanks for replying Rafal. I don't happen to be very expert with xorg
>>>>>> power management, could you point to any relevant link? What options
>>>>>> in xorg could be related to my issue? Has someone had this problem
>>>>>> before? I could post here the output of some command to let you know a
>>>>>> bit more about how my card and driver are working, but I don't know
>>>>>> how.
>>>>>
>>>>> It's common problem, because by default GPU works in it's maximum
>>>>> performance mode (highest engine clock, memory, voltage). Even when
>>>>> you do not play any game, GPU won't downclock itself - it has to be
>>>>> done by driver.
>>>>
>>>>
>>>> The default clocks should be safe; that's why they are the defaults.
>>>> However, dusty fans and heatsinks and poorly cooled cases could cause
>>>> problems.  The default clocks are not always the maximum clocks
>>>> supported by the cards.  There are "overclock" and performance modes
>>>> that are higher than the defaults that we don't support at the moment.
>>>>  The driver currently caps then to the default clocks.
>>>
>>> I don't think Donato's problem is real overheating. That's what I
>>> thought first while reading subject, but then I realized it's just
>>> about higher temperature.
>>
>> Ah yes, I too skimmed through too quickly. Thanks,
>>
>> Alex
>>
>
>
>
> --
> It is not in the stars to hold our destiny, but in ourselves.
>