[Bug 73338] Fan speed in idle at 40% with radeonsi and at 18% with catalyst

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73338

--- Comment #72 from Martin Peres <martin.peres at ensi-bourges.fr> ---
Hey Oleg,

(In reply to Chernovsky Oleg from comment #68)
> (In reply to Martin Peres from comment #66)
> 
> Martin, there're things I think I didn't get correctly:
> - What should I return if pwm1_enable is 0 and I'm trying to push 50 into
> pwm1?

I made Nouveau return -EINVAL.

> - Can pwm1_enabled value be 2 after I push 0 to it? Radeon default fan value
> comes from fuse and it's not 100%

So, you mean that the boot default for the fan mode is the automatic mode,
right? That's perfectly fine.

The only thing you need to make sure of is that when the user writes 0 to
pwm1_enable, you should disable auto fan management and set the fan speed to
100%.

To be honest, I find the mode 0 to be useless, but the spec is the spec :s

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