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authorMarcin Slusarz <marcin.slusarz@gmail.com>2013-02-03 19:28:14 +0100
committerBen Skeggs <bskeggs@redhat.com>2013-02-20 16:00:42 +1000
commit07df30435eecce98961dabbac16787969975a080 (patch)
treeef214fe622088a431096b830912fa03f760e5428 /drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
parentdrm/nv40/therm: reset temperature sensor on init (diff)
downloadlinux-dev-07df30435eecce98961dabbac16787969975a080.tar.xz
linux-dev-07df30435eecce98961dabbac16787969975a080.zip
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/therm/temp.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/temp.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
index 8f27b44db4da..b37624af8297 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
@@ -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;