diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.h | 100 |
1 files changed, 100 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 0000000000..64d33ae7f3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NOUVEAU_FENCE_H__ +#define __NOUVEAU_FENCE_H__ + +#include <linux/dma-fence.h> +#include <nvif/event.h> + +struct nouveau_drm; +struct nouveau_bo; + +struct nouveau_fence { + struct dma_fence base; + + struct list_head head; + + struct nouveau_channel __rcu *channel; + unsigned long timeout; +}; + +int nouveau_fence_create(struct nouveau_fence **, struct nouveau_channel *); +int nouveau_fence_new(struct nouveau_fence **, struct nouveau_channel *); +void nouveau_fence_unref(struct nouveau_fence **); + +int nouveau_fence_emit(struct nouveau_fence *); +bool nouveau_fence_done(struct nouveau_fence *); +int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr); +int nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr); + +struct nouveau_fence_chan { + spinlock_t lock; + struct kref fence_ref; + + struct list_head pending; + struct list_head flip; + + int (*emit)(struct nouveau_fence *); + int (*sync)(struct nouveau_fence *, struct nouveau_channel *, + struct nouveau_channel *); + u32 (*read)(struct nouveau_channel *); + int (*emit32)(struct nouveau_channel *, u64, u32); + int (*sync32)(struct nouveau_channel *, u64, u32); + + u32 sequence; + u32 context; + char name[32]; + + struct nvif_event event; + int notify_ref, dead, killed; +}; + +struct nouveau_fence_priv { + void (*dtor)(struct nouveau_drm *); + bool (*suspend)(struct nouveau_drm *); + void (*resume)(struct nouveau_drm *); + int (*context_new)(struct nouveau_channel *); + void (*context_del)(struct nouveau_channel *); + + bool uevent; +}; + +#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence) + +void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *); +void nouveau_fence_context_del(struct nouveau_fence_chan *); +void nouveau_fence_context_free(struct nouveau_fence_chan *); +void nouveau_fence_context_kill(struct nouveau_fence_chan *, int error); + +int nv04_fence_create(struct nouveau_drm *); +int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32); + +int nv10_fence_emit(struct nouveau_fence *); +int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *, + struct nouveau_channel *); +u32 nv10_fence_read(struct nouveau_channel *); +void nv10_fence_context_del(struct nouveau_channel *); +void nv10_fence_destroy(struct nouveau_drm *); +int nv10_fence_create(struct nouveau_drm *); + +int nv17_fence_create(struct nouveau_drm *); +void nv17_fence_resume(struct nouveau_drm *drm); + +int nv50_fence_create(struct nouveau_drm *); +int nv84_fence_create(struct nouveau_drm *); +int nvc0_fence_create(struct nouveau_drm *); + +struct nv84_fence_chan { + struct nouveau_fence_chan base; + struct nouveau_vma *vma; +}; + +struct nv84_fence_priv { + struct nouveau_fence_priv base; + struct nouveau_bo *bo; + u32 *suspend; + struct mutex mutex; +}; + +int nv84_fence_context_new(struct nouveau_channel *); + +#endif |