linux-kernel - Re: nouveau: temperature on nv40 is unavailable since ad40d73ef533ab0ad16b4a1ab2f7870c1f8ab954

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Message-ID: <520A357D.2060100@labri.fr>
Date:	Tue, 13 Aug 2013 09:32:45 -0400
From:	Martin Peres <martin.peres@...ri.fr>
To:	Pali Rohár <pali.rohar@...il.com>
CC:	David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Ben Skeggs <bskeggs@...hat.com>
Subject: Re: nouveau: temperature on nv40 is unavailable since ad40d73ef533ab0ad16b4a1ab2f7870c1f8ab954

On 13/08/2013 09:23, Pali Rohár wrote:
> On Tuesday 13 August 2013 09:01:19 Martin Peres wrote:
>> On 13/08/2013 05:56, Pali Rohár wrote:
>>> Hello,
>>>
>>> after commit ad40d73ef533ab0ad16b4a1ab2f7870c1f8ab954 temperature
>>> information from lm sensors is not available on my Nvidia 6600GT graphics
>>> card. There is no nouveau hwmon entry in sysfs anymore. Why it was
>>> removed? Can I help with debugging? I'd like to see temperature sensor
>>> working again.
>> Hi,
>>
>> Thanks for bisecting the issue. Can you send me your vbios and tell
>> me if the nvidia driver shows your temperature probe (and what is
>> its source).
>>
>> To fetch your vbios, you can extract it using nvagetbios from the
>> envytools repo: https://github.com/envytools/envytools
>>
>> Cheers,
>> Martin
> How can I check source and temperature probe in nvidia binary driver?
You can check the temperature by running nvidia-settings. If you can't
see the temperature in it, then nvidia doesn't support it on your card and
I'm not sure we should :s

Thanks for the vbios you sent me in private. For the others, the reason
why he doesn't have temperature anymore is because his vbios lacks
sensor calibration values.
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