Commit 875ac34a authored by Ben Skeggs's avatar Ben Skeggs

drm/nouveau/fence: make ttm interfaces wrap ours, not the other way around

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 35bcf5d5
......@@ -1068,22 +1068,6 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
return nouveau_bo_validate(nvbo, false, true, false);
}
void
nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence)
{
struct nouveau_fence *old_fence;
if (likely(fence))
nouveau_fence_ref(fence);
spin_lock(&nvbo->bo.bdev->fence_lock);
old_fence = nvbo->bo.sync_obj;
nvbo->bo.sync_obj = fence;
spin_unlock(&nvbo->bo.bdev->fence_lock);
nouveau_fence_unref(&old_fence);
}
static int
nouveau_ttm_tt_populate(struct ttm_tt *ttm)
{
......@@ -1181,6 +1165,52 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm)
ttm_pool_unpopulate(ttm);
}
void
nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence)
{
struct nouveau_fence *old_fence = NULL;
if (likely(fence))
nouveau_fence_ref(fence);
spin_lock(&nvbo->bo.bdev->fence_lock);
old_fence = nvbo->bo.sync_obj;
nvbo->bo.sync_obj = fence;
spin_unlock(&nvbo->bo.bdev->fence_lock);
nouveau_fence_unref(&old_fence);
}
static void
nouveau_bo_fence_unref(void **sync_obj)
{
nouveau_fence_unref((struct nouveau_fence **)sync_obj);
}
static void *
nouveau_bo_fence_ref(void *sync_obj)
{
return nouveau_fence_ref(sync_obj);
}
static bool
nouveau_bo_fence_signalled(void *sync_obj, void *sync_arg)
{
return nouveau_fence_signalled(sync_obj);
}
static int
nouveau_bo_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr)
{
return nouveau_fence_wait(sync_obj, lazy, intr);
}
static int
nouveau_bo_fence_flush(void *sync_obj, void *sync_arg)
{
return 0;
}
struct ttm_bo_driver nouveau_bo_driver = {
.ttm_tt_create = &nouveau_ttm_tt_create,
.ttm_tt_populate = &nouveau_ttm_tt_populate,
......@@ -1191,11 +1221,11 @@ struct ttm_bo_driver nouveau_bo_driver = {
.move_notify = nouveau_bo_move_ntfy,
.move = nouveau_bo_move,
.verify_access = nouveau_bo_verify_access,
.sync_obj_signaled = __nouveau_fence_signalled,
.sync_obj_wait = __nouveau_fence_wait,
.sync_obj_flush = __nouveau_fence_flush,
.sync_obj_unref = __nouveau_fence_unref,
.sync_obj_ref = __nouveau_fence_ref,
.sync_obj_signaled = nouveau_bo_fence_signalled,
.sync_obj_wait = nouveau_bo_fence_wait,
.sync_obj_flush = nouveau_bo_fence_flush,
.sync_obj_unref = nouveau_bo_fence_unref,
.sync_obj_ref = nouveau_bo_fence_ref,
.fault_reserve_notify = &nouveau_ttm_fault_reserve_notify,
.io_mem_reserve = &nouveau_ttm_io_mem_reserve,
.io_mem_free = &nouveau_ttm_io_mem_free,
......
......@@ -1458,34 +1458,11 @@ extern void nouveau_fence_work(struct nouveau_fence *fence,
void *priv);
struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
extern bool __nouveau_fence_signalled(void *obj, void *arg);
extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
extern int __nouveau_fence_flush(void *obj, void *arg);
extern void __nouveau_fence_unref(void **obj);
extern void *__nouveau_fence_ref(void *obj);
static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
{
return __nouveau_fence_signalled(obj, NULL);
}
static inline int
nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
{
return __nouveau_fence_wait(obj, NULL, lazy, intr);
}
extern bool nouveau_fence_signalled(struct nouveau_fence *);
extern int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
extern void nouveau_fence_unref(struct nouveau_fence **);
extern struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *);
extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
static inline int nouveau_fence_flush(struct nouveau_fence *obj)
{
return __nouveau_fence_flush(obj, NULL);
}
static inline void nouveau_fence_unref(struct nouveau_fence **obj)
{
__nouveau_fence_unref((void **)obj);
}
static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
{
return __nouveau_fence_ref(obj);
}
/* nouveau_gem.c */
extern int nouveau_gem_new(struct drm_device *, int size, int align,
......
......@@ -199,28 +199,23 @@ nouveau_fence_work(struct nouveau_fence *fence,
}
void
__nouveau_fence_unref(void **sync_obj)
nouveau_fence_unref(struct nouveau_fence **pfence)
{
struct nouveau_fence *fence = nouveau_fence(*sync_obj);
if (fence)
kref_put(&fence->refcount, nouveau_fence_del);
*sync_obj = NULL;
if (*pfence)
kref_put(&(*pfence)->refcount, nouveau_fence_del);
*pfence = NULL;
}
void *
__nouveau_fence_ref(void *sync_obj)
struct nouveau_fence *
nouveau_fence_ref(struct nouveau_fence *fence)
{
struct nouveau_fence *fence = nouveau_fence(sync_obj);
kref_get(&fence->refcount);
return sync_obj;
return fence;
}
bool
__nouveau_fence_signalled(void *sync_obj, void *sync_arg)
nouveau_fence_signalled(struct nouveau_fence *fence)
{
struct nouveau_fence *fence = nouveau_fence(sync_obj);
struct nouveau_channel *chan = fence->channel;
if (fence->signalled)
......@@ -231,25 +226,20 @@ __nouveau_fence_signalled(void *sync_obj, void *sync_arg)
}
int
__nouveau_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr)
nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr)
{
struct nouveau_fence *fence = nouveau_fence(sync_obj);
unsigned long timeout = fence->timeout;
unsigned long sleep_time = NSEC_PER_MSEC / 1000;
ktime_t t;
int ret = 0;
while (1) {
if (__nouveau_fence_signalled(sync_obj, sync_arg))
break;
if (time_after_eq(jiffies, timeout)) {
while (!nouveau_fence_signalled(fence)) {
if (time_after_eq(jiffies, fence->timeout)) {
ret = -EBUSY;
break;
}
__set_current_state(intr ? TASK_INTERRUPTIBLE
: TASK_UNINTERRUPTIBLE);
__set_current_state(intr ? TASK_INTERRUPTIBLE :
TASK_UNINTERRUPTIBLE);
if (lazy) {
t = ktime_set(0, sleep_time);
schedule_hrtimeout(&t, HRTIMER_MODE_REL);
......
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