Nouveau - May 2014 - [Bug 79204] New: [NV50] No reported temperature/fan speed on GTX260

https://bugs.freedesktop.org/show_bug.cgi?id=79204

          Priority: medium
            Bug ID: 79204
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NV50] No reported temperature/fan speed on GTX260
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: mdop at seznam.cz
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 99756
  --> https://bugs.freedesktop.org/attachment.cgi?id=99756&action=edit
dmesg debug

Nouveau doesn't report any temperature nor fan speed when using GTX260
(Gigabyte N26-896H-B). 
Reporting this because of discussion in bug 78116 as I didn't notice the fan
management chip (the ADT7473) in logs.

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--- Comment #1 from Marcel Dopita <mdop at seznam.cz> ---
Created attachment 99757
  --> https://bugs.freedesktop.org/attachment.cgi?id=99757&action=edit
sensors

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--- Comment #2 from Marcel Dopita <mdop at seznam.cz> ---
Created attachment 99758
  --> https://bugs.freedesktop.org/attachment.cgi?id=99758&action=edit
gtx260 vbios

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--- Comment #3 from Martin Peres <martin.peres at ensi-bourges.fr> ---
Created attachment 99767
  --> https://bugs.freedesktop.org/attachment.cgi?id=99767&action=edit
drm/nouveau/i2c: bump the i2c delay for the adt7473

Your card has an external sensor, but it doesn't answer to requests. This
may
be due to us driving the communication too fast. Please try this patch that
halves the communication baudrate with your adt7473.

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--- Comment #4 from Marcel Dopita <mdop at seznam.cz> ---
Created attachment 99785
  --> https://bugs.freedesktop.org/attachment.cgi?id=99785&action=edit
sensors (after patch)

Seems that it's reporting accurate values. The temperature seems right and
does
change, it has single fan which is adjustable and correctly responds to pwm1
changes after switching to manual mode.

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--- Comment #5 from Martin Peres <martin.peres at ensi-bourges.fr> ---
(In reply to comment #4)
> Created attachment 99785 [details]
> sensors (after patch)
> 
> Seems that it's reporting accurate values. The temperature seems right
and
> does change, it has single fan which is adjustable and correctly responds
to
> pwm1 changes after switching to manual mode.
Great, I'll send the patch to the ML! Thanks for testing!

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Martin Peres <martin.peres at ensi-bourges.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Martin Peres <martin.peres at ensi-bourges.fr> ---
Patch merged in Darktama's tree:
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=74eec65d8f8041ead74cf301ed7baa115178aae6

Thanks again for reporting this bug!

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