drm/nouveau/timer: allow alarms to be cancelled (6d1d1cc9) · Commits · e / devices / android_kernel_teracube_2e

drivers/gpu/drm/nouveau/core/subdev/timer/nv04.c

+9 −4

Original line number	Diff line number	Diff line
		@@ -96,11 +96,16 @@ nv04_timer_alarm(struct nouveau_timer *ptimer, u64 time,

		/* append new alarm to list, in soonest-alarm-first order */
		spin_lock_irqsave(&priv->lock, flags);
		if (!time) {
		if (!list_empty(&alarm->head))
		list_del(&alarm->head);
		} else {
		list_for_each_entry(list, &priv->alarms, head) {
		if (list->timestamp > alarm->timestamp)
		break;
		}
		list_add_tail(&alarm->head, &list->head);
		}
		spin_unlock_irqrestore(&priv->lock, flags);

		/* process pending alarms */