[Bug 119211] amdgpu disables fan by default

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=119211

--- Comment #9 from Stas Sergeev <stsp at list.ru> ---
(In reply to Alex Deucher from comment #8)
> By default the hw controls the fan based on temperature, etc.
For me not.

> Not all cards have a fan control. If you do, then the following standard
> HWMON
> pwm attributes should be available:
> 
>  * pwm1_enable: Current fan management mode (MANUAL or AUTO)
I have always '1' there.
Trying to write 0 or 2 there still leaves 1.
It simply doesn't change.

>  * pwm1: Current PWM value (power percentage)
Always 0, unless manually written.

> The fan can be driven in different modes:
> 
>  * 1: The fan can be driven in manual (use pwm1 to change the speed);
>  * 2; The fan is driven automatically depending on the temperature.
What should I write to pwm1_enable? '2'? It doesn't change.

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