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Commit bb78e7a1 authored by Martin Peres's avatar Martin Peres Committed by Ben Skeggs
Browse files

drm/nouveau/therm: fix a potential deadlock in the therm monitoring code 



Signed-off-by: default avatarMartin Peres <martin.peres@free.fr>
Tested-by: default avatarStefan Ringel <mail@stefanringel.de>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 0b4e8e7f

drivers/gpu/drm/nouveau/core/subdev/therm/temp.c

+3 −3
Original line number Diff line number Diff line
@@ -192,11 +192,11 @@ alarm_timer_callback(struct nouveau_alarm *alarm) 
	nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_shutdown,

					     NOUVEAU_THERM_THRS_SHUTDOWN);



	spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags);



	/* schedule the next poll in one second */

	if (therm->temp_get(therm) >= 0 && list_empty(&alarm->head))

		ptimer->alarm(ptimer, 1000 * 1000 * 1000, alarm);



	spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags);

		ptimer->alarm(ptimer, 1000000000ULL, alarm);

}



void