linux/drivers/gpu/drm/nouveau/nouveau_fence.h
Maarten Lankhorst 15a996bbb6 drm/nouveau: assign fence_chan->name correctly
Make nouveau_fence_chan refcounted, to make trace_fence_destroy
always return the correct name without a race condition.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
2014-09-30 14:04:00 +02:00

108 lines
2.9 KiB
C

#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 *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;
};
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(void *chan);
struct nv84_fence_chan {
struct nouveau_fence_chan base;
struct nouveau_vma vma;
struct nouveau_vma vma_gart;
struct nouveau_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