drm/nouveau/fifo: implement channel creation event generation (893e90c5) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/gpu/drm/nouveau/core/engine/fifo/base.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -91,6 +91,8 @@ nouveau_fifo_channel_create_(struct nouveau_object *parent,
		if (!chan->user)
		return -EFAULT;

		nouveau_event_trigger(priv->cevent, 0);

		chan->size = size;
		return 0;
		}
		@@ -167,6 +169,7 @@ nouveau_fifo_destroy(struct nouveau_fifo *priv)
		{
		kfree(priv->channel);
		nouveau_event_destroy(&priv->uevent);
		nouveau_event_destroy(&priv->cevent);
		nouveau_engine_destroy(&priv->base);
		}

		@@ -191,6 +194,10 @@ nouveau_fifo_create_(struct nouveau_object *parent,
		if (!priv->channel)
		return -ENOMEM;

		ret = nouveau_event_create(1, &priv->cevent);
		if (ret)
		return ret;

		ret = nouveau_event_create(1, &priv->uevent);
		if (ret)
		return ret;

+2 −1

Original line number	Diff line number	Diff line
		@@ -65,7 +65,8 @@ struct nouveau_fifo_base {
		struct nouveau_fifo {
		struct nouveau_engine base;

		struct nouveau_event *uevent;
		struct nouveau_event cevent; / channel creation event */
		struct nouveau_event uevent; / async user trigger */

		struct nouveau_object **channel;
		spinlock_t lock;