diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/core/event.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/event.c b/drivers/gpu/drm/nouveau/core/core/event.c index 6d01e0f0fc8..7eb81c1b6fa 100644 --- a/drivers/gpu/drm/nouveau/core/core/event.c +++ b/drivers/gpu/drm/nouveau/core/core/event.c @@ -27,8 +27,10 @@ static void nouveau_event_put_locked(struct nouveau_event *event, int index, struct nouveau_eventh *handler) { - if (!--event->index[index].refs) - event->disable(event, index); + if (!--event->index[index].refs) { + if (event->disable) + event->disable(event, index); + } list_del(&handler->head); } @@ -53,8 +55,10 @@ nouveau_event_get(struct nouveau_event *event, int index, spin_lock_irqsave(&event->lock, flags); if (index < event->index_nr) { list_add(&handler->head, &event->index[index].list); - if (!event->index[index].refs++) - event->enable(event, index); + if (!event->index[index].refs++) { + if (event->enable) + event->enable(event, index); + } } spin_unlock_irqrestore(&event->lock, flags); } |