Commit 893e90c5 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/fifo: implement channel creation event generation 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 10eeaf12

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;

drivers/gpu/drm/nouveau/core/include/engine/fifo.h

+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;