From: Martin Peres <martin.peres@labri.fr>
Date: Wed, 5 Dec 2012 10:28:09 +0000 (+1000)
Subject: drm/nouveau/therm: implement automatic fan management
X-Git-Tag: v3.9-rc1~83^2~10^2~76
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=694472f4170c52a18893b0db8c8e3b865a85a457;p=pandora-kernel.git

drm/nouveau/therm: implement automatic fan management

v2: improved design but drops safety monitoring (to be in a later patch)
v3: fix locking and mode management
v4: gently fallback to the no-control mode when temperature cannot be got
    and use kernel-provided min/max macros
v5 (Ben Skeggs):
- rebased on my previous patches
v6: fix hysterisis management in trip-based auto fan management

This commit also forbids access to fan management to nvc0+ chipsets as
fan management is already taken care of my PDAEMON's default fw.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Martin Peres <martin.peres@labri.fr>
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