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drm/nouveau/bios/fan: hardcode the fan mode to linear

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This is an oversight that made use of the trip-point-based fan managenent on
cards that never expose those. This led the fan to stay at fan_min.

Fortunately, the emergency code would kick when the temperature would reach
90°C.

Reported-by: Tom Englund <tomenglund26@gmail.com>
Tested-by: Tom Englund <tomenglund26@gmail.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Tested-by: Daemon32 <lnf.purple@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92126
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Martin Peres 2015-11-29 16:10:18 +02:00 committed by Ben Skeggs
parent 714a98fc3f
commit a814a29d7b
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
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@ -83,6 +83,7 @@ nvbios_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan)
fan->type = NVBIOS_THERM_FAN_UNK;
}
fan->fan_mode = NVBIOS_THERM_FAN_LINEAR;
fan->min_duty = nvbios_rd08(bios, data + 0x02);
fan->max_duty = nvbios_rd08(bios, data + 0x03);