diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h new file mode 100644 index 000000000000..82ba733393ae --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -0,0 +1,52 @@ +#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 *); + +struct nouveau_fence_chan { + struct list_head pending; + spinlock_t lock; + u32 sequence; +}; + +struct nouveau_fence_priv { + struct nouveau_exec_engine engine; + int (*emit)(struct nouveau_fence *); + int (*sync)(struct nouveau_fence *, struct nouveau_channel *, + struct nouveau_channel *); + u32 (*read)(struct nouveau_channel *); +}; + +void nouveau_fence_context_new(struct nouveau_fence_chan *); +void nouveau_fence_context_del(struct nouveau_fence_chan *); + +int nv04_fence_create(struct drm_device *dev); +int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32); + +int nv10_fence_create(struct drm_device *dev); +int nv84_fence_create(struct drm_device *dev); +int nvc0_fence_create(struct drm_device *dev); + +#endif |