Release 4.7 drivers/gpu/drm/nouveau/nouveau_fence.h

#ifndef __NOUVEAU_FENCE_H__

#define __NOUVEAU_FENCE_H__

#include <linux/fence.h>
#include <nvif/notify.h>

struct nouveau_drm;
struct nouveau_bo;


struct nouveau_fence {
	
struct fence base;

	
struct list_head head;

	
bool sysmem;

	
struct nouveau_channel __rcu *channel;
	
unsigned long timeout;
};

int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
		       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 *);
void nouveau_fence_work(struct fence *, void (*)(void *), void *);
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_notify notify;
	

int notify_ref, dead;
};


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 *);

	

u32 contexts, context_base;
	
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 *);

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 *);

int nouveau_flip_complete(struct nvif_notify *);


struct nv84_fence_chan {
	
struct nouveau_fence_chan base;
	
struct nvkm_vma vma;
	
struct nvkm_vma vma_gart;
	
struct nvkm_vma dispc_vma[4];
};


struct nv84_fence_priv {
	
struct nouveau_fence_priv base;
	
struct nouveau_bo *bo;
	
struct nouveau_bo *bo_gart;
	
u32 *suspend;
};

u64  nv84_fence_crtc(struct nouveau_channel *, int);
int  nv84_fence_context_new(struct nouveau_channel *);

#endif
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Directory: drivers/gpu/drm/nouveau

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