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drm/nouveau/therm: use workqueue to shutdown the machine 

orderly_poweroff cannot be called from atomic context.

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 19:28:14 +01:00 committed by Ben Skeggs
parent d0a5191dcf
commit 07df30435e
1 changed files with 16 additions and 2 deletions
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18
drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
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@ -90,6 +90,13 @@ nouveau_therm_sensor_get_threshold_state(struct nouveau_therm *therm,
return priv->sensor.alarm_state[thrs];
}
static void
nv_poweroff_work(struct work_struct *work)
{
orderly_poweroff(true);
kfree(work);
}
void nouveau_therm_sensor_event(struct nouveau_therm *therm,
enum nouveau_therm_thrs thrs,
enum nouveau_therm_thrs_direction dir)
@ -128,8 +135,15 @@ void nouveau_therm_sensor_event(struct nouveau_therm *therm,
priv->emergency.pause(therm, active);
break;
case NOUVEAU_THERM_THRS_SHUTDOWN:
if (active)
orderly_poweroff(true);
if (active) {
struct work_struct *work;
work = kmalloc(sizeof(*work), GFP_ATOMIC);
if (work) {
INIT_WORK(work, nv_poweroff_work);
schedule_work(work);
}
}
break;
case NOUVEAU_THERM_THRS_NR:
break;