[Nouveau] [Bug 66177] pwm1 value not restored during hibernate/restore cycle in the event of manual fan management mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66177

--- Comment #4 from Mr-4 <mr.dash.four at googlemail.com> ---
(In reply to comment #3)
> The real solution would be to restore all sysfs attributes after reboot.
Indeed, I agree.

> The proposed solution doesn't seem scalable :s
I never claimed that it is - the patch was submitted (note that it wasn't
formal submission either) barely as a guidance - it-works-for-me (tm) (;

> However, I fully agree something should be done here!
Yep.

> I would rather see an automatic fan management by default and some overrides
> to disable it though. Please use the "config" parameter to specify them
> instead of adding parameters to nouveau, it seems to be how darktama wants
> things to work.
How do I "use the config" exactly? And who is "darktama" - is that Ben Skeggs?

> Automatic fan management is supposed to work on all cards < NVC0 (which has
> it at boot time, by default). I discussed enabling it by default for Linux
> 3.11 but it seems we'll need to wait until 3.12.
I am, quite frankly, amazed that something so raw and incomplete as the
automatic fan management could make it into the mainstream kernel code - Ben is
usually thorough as far as these things are concerned and I don't know how this
slipped through.

The "automatic" mode doesn't work - far from it, as evident from my other
submission (and an additional feedback provided) - see Bug #66022 (and Comment
#5 in particular).

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