drm/nouveau/fence: minor api changes for an upcoming rework
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h
new file mode 100644
index 0000000..1337acb
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.h
@@ -0,0 +1,28 @@
+#ifndef __NOUVEAU_FENCE_H__
+#define __NOUVEAU_FENCE_H__
+
+struct nouveau_fence {
+ struct list_head head;
+ struct kref kref;
+
+ struct nouveau_channel *channel;
+ unsigned long timeout;
+ u32 sequence;
+
+ void (*work)(void *priv, bool signalled);
+ void *priv;
+};
+
+int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
+struct nouveau_fence *
+nouveau_fence_ref(struct nouveau_fence *);
+void nouveau_fence_unref(struct nouveau_fence **);
+
+int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
+bool nouveau_fence_done(struct nouveau_fence *);
+int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
+int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
+void nouveau_fence_idle(struct nouveau_channel *);
+void nouveau_fence_update(struct nouveau_channel *);
+
+#endif