[Nouveau] [Bug 80901] New: [NVCF] PWM fan speed too high under kernel 3.15

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80901

          Priority: medium
            Bug ID: 80901
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVCF] PWM fan speed too high under kernel 3.15
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: gianni at rootcube.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.2
         Component: Drivers/DRI/nouveau
           Product: Mesa

Since updating to kernel 3.15, the pwm fan speed of my 550 Ti card is too high
(above 35% in all situations) when compared with the proprietary NVIDIA driver
(that hovers around 30%).
The only way to reduce it to silence once again is to manually change the
pwm1_max value under sysfs to 30 (by default it's 100).

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