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drm/nouveau/therm: disable auto fan management if temperature is not available

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Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Martin Peres 2013-03-15 00:21:07 +01:00 committed by Ben Skeggs
parent 76c0295c38
commit 98ee7c7c63
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/nouveau/core/subdev/therm/base.c
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@ -149,6 +149,11 @@ nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0))
return -EINVAL;
/* do not allow automatic fan management if the thermal sensor is
* not available */
if (priv->mode == 2 && therm->temp_get(therm) < 0)
return -EINVAL;
if (priv->mode == mode)
return 0;