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drm/nv40/therm: reset temperature sensor on init

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Current uninitialized sensor detection does not work for me on nv4b and
sensor returns crazy values (>190°C). It stabilises later, but it's too
late - therm code shutdowns the machine...

Let's just reset it on init.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Marcin Slusarz 2013-02-03 19:12:49 +01:00 committed by Ben Skeggs
parent 134fc03275
commit d0a5191dcf
1 changed files with 11 additions and 1 deletions
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12
drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
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@ -173,13 +173,23 @@ nv40_therm_ctor(struct nouveau_object *parent,
return nouveau_therm_preinit(&priv->base.base);
}
static int
nv40_therm_init(struct nouveau_object *object)
{
struct nouveau_therm *therm = (void *)object;
nv40_sensor_setup(therm);
return _nouveau_therm_init(object);
}
struct nouveau_oclass
nv40_therm_oclass = {
.handle = NV_SUBDEV(THERM, 0x40),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv40_therm_ctor,
.dtor = _nouveau_therm_dtor,
.init = _nouveau_therm_init,
.init = nv40_therm_init,
.fini = _nouveau_therm_fini,
},
};