diff options
author | Maarten Lankhorst <maarten.lankhorst@ubuntu.com> | 2014-01-09 11:03:11 +0100 |
---|---|---|
committer | Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2014-09-02 16:41:50 +0200 |
commit | 29ba89b2371d466ca68973525816cf10debc2655 (patch) | |
tree | 0433045bea840aed27057bedf422c02018b66d4e /drivers/gpu/drm/nouveau | |
parent | 2298e804e96eb3635c39519c8287befd92460303 (diff) | |
download | op-kernel-dev-29ba89b2371d466ca68973525816cf10debc2655.zip op-kernel-dev-29ba89b2371d466ca68973525816cf10debc2655.tar.gz |
drm/nouveau: rework to new fence interface
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 497 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.h | 22 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_gem.c | 17 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv04_fence.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv10_fence.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv17_fence.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_fence.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv84_fence.c | 22 |
10 files changed, 383 insertions, 205 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 8d8e5f6..2d026c8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -970,7 +970,7 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr, } mutex_lock_nested(&cli->mutex, SINGLE_DEPTH_NESTING); - ret = nouveau_fence_sync(bo->sync_obj, chan); + ret = nouveau_fence_sync(nouveau_bo(bo), chan); if (ret == 0) { ret = drm->ttm.move(chan, bo, &bo->mem, new_mem); if (ret == 0) { @@ -1464,10 +1464,12 @@ nouveau_bo_fence_unref(void **sync_obj) void nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence) { - lockdep_assert_held(&nvbo->bo.resv->lock.base); + struct reservation_object *resv = nvbo->bo.resv; nouveau_bo_fence_unref(&nvbo->bo.sync_obj); nvbo->bo.sync_obj = nouveau_fence_ref(fence); + + reservation_object_add_excl_fence(resv, &fence->base); } static void * diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index e6867b9..ec1960a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -658,7 +658,7 @@ nouveau_page_flip_emit(struct nouveau_channel *chan, spin_unlock_irqrestore(&dev->event_lock, flags); /* Synchronize with the old framebuffer */ - ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); + ret = nouveau_fence_sync(old_bo, chan); if (ret) goto fail; @@ -722,7 +722,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, goto fail_unpin; /* synchronise rendering channel with the kernel's channel */ - ret = nouveau_fence_sync(new_bo->bo.sync_obj, chan); + ret = nouveau_fence_sync(new_bo, chan); if (ret) { ttm_bo_unreserve(&new_bo->bo); goto fail_unpin; diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 0a93114..3beb3bf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -28,6 +28,7 @@ #include <linux/ktime.h> #include <linux/hrtimer.h> +#include <trace/events/fence.h> #include <nvif/notify.h> #include <nvif/event.h> @@ -36,123 +37,209 @@ #include "nouveau_dma.h" #include "nouveau_fence.h" -struct fence_work { - struct work_struct base; - struct list_head head; - void (*func)(void *); - void *data; -}; +static const struct fence_ops nouveau_fence_ops_uevent; +static const struct fence_ops nouveau_fence_ops_legacy; + +static inline struct nouveau_fence * +from_fence(struct fence *fence) +{ + return container_of(fence, struct nouveau_fence, base); +} + +static inline struct nouveau_fence_chan * +nouveau_fctx(struct nouveau_fence *fence) +{ + return container_of(fence->base.lock, struct nouveau_fence_chan, lock); +} static void nouveau_fence_signal(struct nouveau_fence *fence) { - struct fence_work *work, *temp; + fence_signal_locked(&fence->base); + list_del(&fence->head); + + if (test_bit(FENCE_FLAG_USER_BITS, &fence->base.flags)) { + struct nouveau_fence_chan *fctx = nouveau_fctx(fence); - list_for_each_entry_safe(work, temp, &fence->work, head) { - schedule_work(&work->base); - list_del(&work->head); + if (!--fctx->notify_ref) + nvif_notify_put(&fctx->notify); } - fence->channel = NULL; - list_del(&fence->head); + fence_put(&fence->base); +} + +static struct nouveau_fence * +nouveau_local_fence(struct fence *fence, struct nouveau_drm *drm) { + struct nouveau_fence_priv *priv = (void*)drm->fence; + + if (fence->ops != &nouveau_fence_ops_legacy && + fence->ops != &nouveau_fence_ops_uevent) + return NULL; + + if (fence->context < priv->context_base || + fence->context >= priv->context_base + priv->contexts) + return NULL; + + return from_fence(fence); } void nouveau_fence_context_del(struct nouveau_fence_chan *fctx) { - struct nouveau_fence *fence, *fnext; - spin_lock(&fctx->lock); - list_for_each_entry_safe(fence, fnext, &fctx->pending, head) { + struct nouveau_fence *fence; + + nvif_notify_fini(&fctx->notify); + + spin_lock_irq(&fctx->lock); + while (!list_empty(&fctx->pending)) { + fence = list_entry(fctx->pending.next, typeof(*fence), head); + nouveau_fence_signal(fence); + fence->channel = NULL; } - spin_unlock(&fctx->lock); + spin_unlock_irq(&fctx->lock); +} + +static void +nouveau_fence_update(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx) +{ + struct nouveau_fence *fence; + + u32 seq = fctx->read(chan); + + while (!list_empty(&fctx->pending)) { + fence = list_entry(fctx->pending.next, typeof(*fence), head); + + if ((int)(seq - fence->base.seqno) < 0) + return; + + nouveau_fence_signal(fence); + } +} + +static int +nouveau_fence_wait_uevent_handler(struct nvif_notify *notify) +{ + struct nouveau_fence_chan *fctx = + container_of(notify, typeof(*fctx), notify); + unsigned long flags; + + spin_lock_irqsave(&fctx->lock, flags); + if (!list_empty(&fctx->pending)) { + struct nouveau_fence *fence; + + fence = list_entry(fctx->pending.next, typeof(*fence), head); + nouveau_fence_update(fence->channel, fctx); + } + spin_unlock_irqrestore(&fctx->lock, flags); + + /* Always return keep here. NVIF refcount is handled with nouveau_fence_update */ + return NVIF_NOTIFY_KEEP; } void -nouveau_fence_context_new(struct nouveau_fence_chan *fctx) +nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx) { + struct nouveau_fence_priv *priv = (void*)chan->drm->fence; + int ret; + INIT_LIST_HEAD(&fctx->flip); INIT_LIST_HEAD(&fctx->pending); spin_lock_init(&fctx->lock); + fctx->context = priv->context_base + chan->chid; + + if (!priv->uevent) + return; + + ret = nvif_notify_init(chan->object, NULL, + nouveau_fence_wait_uevent_handler, false, + G82_CHANNEL_DMA_V0_NTFY_UEVENT, + &(struct nvif_notify_uevent_req) { }, + sizeof(struct nvif_notify_uevent_req), + sizeof(struct nvif_notify_uevent_rep), + &fctx->notify); + + WARN_ON(ret); } +struct nouveau_fence_work { + struct work_struct work; + struct fence_cb cb; + void (*func)(void *); + void *data; +}; + static void nouveau_fence_work_handler(struct work_struct *kwork) { - struct fence_work *work = container_of(kwork, typeof(*work), base); + struct nouveau_fence_work *work = container_of(kwork, typeof(*work), work); work->func(work->data); kfree(work); } +static void nouveau_fence_work_cb(struct fence *fence, struct fence_cb *cb) +{ + struct nouveau_fence_work *work = container_of(cb, typeof(*work), cb); + + schedule_work(&work->work); +} + void nouveau_fence_work(struct nouveau_fence *fence, void (*func)(void *), void *data) { - struct nouveau_channel *chan = fence->channel; - struct nouveau_fence_chan *fctx; - struct fence_work *work = NULL; + struct nouveau_fence_work *work; - if (nouveau_fence_done(fence)) { - func(data); - return; - } + if (fence_is_signaled(&fence->base)) + goto err; - fctx = chan->fence; work = kmalloc(sizeof(*work), GFP_KERNEL); if (!work) { WARN_ON(nouveau_fence_wait(fence, false, false)); - func(data); - return; + goto err; } - spin_lock(&fctx->lock); - if (!fence->channel) { - spin_unlock(&fctx->lock); - kfree(work); - func(data); - return; - } - - INIT_WORK(&work->base, nouveau_fence_work_handler); + INIT_WORK(&work->work, nouveau_fence_work_handler); work->func = func; work->data = data; - list_add(&work->head, &fence->work); - spin_unlock(&fctx->lock); -} - -static void -nouveau_fence_update(struct nouveau_channel *chan) -{ - struct nouveau_fence_chan *fctx = chan->fence; - struct nouveau_fence *fence, *fnext; - spin_lock(&fctx->lock); - list_for_each_entry_safe(fence, fnext, &fctx->pending, head) { - if (fctx->read(chan) < fence->sequence) - break; + if (fence_add_callback(&fence->base, &work->cb, nouveau_fence_work_cb) < 0) + goto err_free; + return; - nouveau_fence_signal(fence); - nouveau_fence_unref(&fence); - } - spin_unlock(&fctx->lock); +err_free: + kfree(work); +err: + func(data); } int nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan) { struct nouveau_fence_chan *fctx = chan->fence; + struct nouveau_fence_priv *priv = (void*)chan->drm->fence; int ret; fence->channel = chan; fence->timeout = jiffies + (15 * HZ); - fence->sequence = ++fctx->sequence; + if (priv->uevent) + fence_init(&fence->base, &nouveau_fence_ops_uevent, + &fctx->lock, + priv->context_base + chan->chid, ++fctx->sequence); + else + fence_init(&fence->base, &nouveau_fence_ops_legacy, + &fctx->lock, + priv->context_base + chan->chid, ++fctx->sequence); + + trace_fence_emit(&fence->base); ret = fctx->emit(fence); if (!ret) { - kref_get(&fence->kref); - spin_lock(&fctx->lock); + fence_get(&fence->base); + spin_lock_irq(&fctx->lock); + nouveau_fence_update(chan, fctx); list_add_tail(&fence->head, &fctx->pending); - spin_unlock(&fctx->lock); + spin_unlock_irq(&fctx->lock); } return ret; @@ -161,114 +248,70 @@ nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan) bool nouveau_fence_done(struct nouveau_fence *fence) { - if (fence->channel) - nouveau_fence_update(fence->channel); - return !fence->channel; -} + if (fence->base.ops == &nouveau_fence_ops_legacy || + fence->base.ops == &nouveau_fence_ops_uevent) { + struct nouveau_fence_chan *fctx = nouveau_fctx(fence); + unsigned long flags; -struct nouveau_fence_wait { - struct nouveau_fence_priv *priv; - struct nvif_notify notify; -}; + if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags)) + return true; -static int -nouveau_fence_wait_uevent_handler(struct nvif_notify *notify) -{ - struct nouveau_fence_wait *wait = - container_of(notify, typeof(*wait), notify); - wake_up_all(&wait->priv->waiting); - return NVIF_NOTIFY_KEEP; + spin_lock_irqsave(&fctx->lock, flags); + nouveau_fence_update(fence->channel, fctx); + spin_unlock_irqrestore(&fctx->lock, flags); + } + return fence_is_signaled(&fence->base); } -static int -nouveau_fence_wait_uevent(struct nouveau_fence *fence, bool intr) - +static long +nouveau_fence_wait_legacy(struct fence *f, bool intr, long wait) { - struct nouveau_channel *chan = fence->channel; - struct nouveau_fence_priv *priv = chan->drm->fence; - struct nouveau_fence_wait wait = { .priv = priv }; - int ret = 0; + struct nouveau_fence *fence = from_fence(f); + unsigned long sleep_time = NSEC_PER_MSEC / 1000; + unsigned long t = jiffies, timeout = t + wait; - ret = nvif_notify_init(chan->object, NULL, - nouveau_fence_wait_uevent_handler, false, - G82_CHANNEL_DMA_V0_NTFY_UEVENT, - &(struct nvif_notify_uevent_req) { - }, - sizeof(struct nvif_notify_uevent_req), - sizeof(struct nvif_notify_uevent_rep), - &wait.notify); - if (ret) - return ret; + while (!nouveau_fence_done(fence)) { + ktime_t kt; - nvif_notify_get(&wait.notify); - - if (fence->timeout) { - unsigned long timeout = fence->timeout - jiffies; - - if (time_before(jiffies, fence->timeout)) { - if (intr) { - ret = wait_event_interruptible_timeout( - priv->waiting, - nouveau_fence_done(fence), - timeout); - } else { - ret = wait_event_timeout(priv->waiting, - nouveau_fence_done(fence), - timeout); - } - } + t = jiffies; - if (ret >= 0) { - fence->timeout = jiffies + ret; - if (time_after_eq(jiffies, fence->timeout)) - ret = -EBUSY; - } - } else { - if (intr) { - ret = wait_event_interruptible(priv->waiting, - nouveau_fence_done(fence)); - } else { - wait_event(priv->waiting, nouveau_fence_done(fence)); + if (wait != MAX_SCHEDULE_TIMEOUT && time_after_eq(t, timeout)) { + __set_current_state(TASK_RUNNING); + return 0; } + + __set_current_state(intr ? TASK_INTERRUPTIBLE : + TASK_UNINTERRUPTIBLE); + + kt = ktime_set(0, sleep_time); + schedule_hrtimeout(&kt, HRTIMER_MODE_REL); + sleep_time *= 2; + if (sleep_time > NSEC_PER_MSEC) + sleep_time = NSEC_PER_MSEC; + + if (intr && signal_pending(current)) + return -ERESTARTSYS; } - nvif_notify_fini(&wait.notify); - if (unlikely(ret < 0)) - return ret; + __set_current_state(TASK_RUNNING); - return 0; + return timeout - t; } -int -nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr) +static int +nouveau_fence_wait_busy(struct nouveau_fence *fence, bool intr) { - struct nouveau_channel *chan = fence->channel; - struct nouveau_fence_priv *priv = chan ? chan->drm->fence : NULL; - unsigned long sleep_time = NSEC_PER_MSEC / 1000; - ktime_t t; int ret = 0; - while (priv && priv->uevent && lazy && !nouveau_fence_done(fence)) { - ret = nouveau_fence_wait_uevent(fence, intr); - if (ret < 0) - return ret; - } - while (!nouveau_fence_done(fence)) { - if (fence->timeout && time_after_eq(jiffies, fence->timeout)) { + if (time_after_eq(jiffies, fence->timeout)) { ret = -EBUSY; break; } - __set_current_state(intr ? TASK_INTERRUPTIBLE : - TASK_UNINTERRUPTIBLE); - if (lazy) { - t = ktime_set(0, sleep_time); - schedule_hrtimeout(&t, HRTIMER_MODE_REL); - sleep_time *= 2; - if (sleep_time > NSEC_PER_MSEC) - sleep_time = NSEC_PER_MSEC; - } + __set_current_state(intr ? + TASK_INTERRUPTIBLE : + TASK_UNINTERRUPTIBLE); if (intr && signal_pending(current)) { ret = -ERESTARTSYS; @@ -281,36 +324,77 @@ nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr) } int -nouveau_fence_sync(struct nouveau_fence *fence, struct nouveau_channel *chan) +nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr) +{ + long ret; + + if (!lazy) + return nouveau_fence_wait_busy(fence, intr); + + ret = fence_wait_timeout(&fence->base, intr, 15 * HZ); + if (ret < 0) + return ret; + else if (!ret) + return -EBUSY; + else + return 0; +} + +int +nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan) { struct nouveau_fence_chan *fctx = chan->fence; - struct nouveau_channel *prev; - int ret = 0; + struct fence *fence = NULL; + struct reservation_object *resv = nvbo->bo.resv; + struct reservation_object_list *fobj; + int ret = 0, i; + + fence = nvbo->bo.sync_obj; + if (fence && fence_is_signaled(fence)) { + nouveau_fence_unref((struct nouveau_fence **) + &nvbo->bo.sync_obj); + fence = NULL; + } + + if (fence) { + struct nouveau_fence *f = from_fence(fence); + struct nouveau_channel *prev = f->channel; - prev = fence ? fence->channel : NULL; - if (prev) { - if (unlikely(prev != chan && !nouveau_fence_done(fence))) { - ret = fctx->sync(fence, prev, chan); + if (prev != chan) { + ret = fctx->sync(f, prev, chan); if (unlikely(ret)) - ret = nouveau_fence_wait(fence, true, false); + ret = nouveau_fence_wait(f, true, true); } } - return ret; -} + if (ret) + return ret; -static void -nouveau_fence_del(struct kref *kref) -{ - struct nouveau_fence *fence = container_of(kref, typeof(*fence), kref); - kfree(fence); + fence = reservation_object_get_excl(resv); + if (fence && !nouveau_local_fence(fence, chan->drm)) + ret = fence_wait(fence, true); + + fobj = reservation_object_get_list(resv); + if (!fobj || ret) + return ret; + + for (i = 0; i < fobj->shared_count && !ret; ++i) { + fence = rcu_dereference_protected(fobj->shared[i], + reservation_object_held(resv)); + + /* should always be true, for now */ + if (!nouveau_local_fence(fence, chan->drm)) + ret = fence_wait(fence, true); + } + + return ret; } void nouveau_fence_unref(struct nouveau_fence **pfence) { if (*pfence) - kref_put(&(*pfence)->kref, nouveau_fence_del); + fence_put(&(*pfence)->base); *pfence = NULL; } @@ -318,7 +402,7 @@ struct nouveau_fence * nouveau_fence_ref(struct nouveau_fence *fence) { if (fence) - kref_get(&fence->kref); + fence_get(&fence->base); return fence; } @@ -336,9 +420,7 @@ nouveau_fence_new(struct nouveau_channel *chan, bool sysmem, if (!fence) return -ENOMEM; - INIT_LIST_HEAD(&fence->work); fence->sysmem = sysmem; - kref_init(&fence->kref); ret = nouveau_fence_emit(fence, chan); if (ret) @@ -347,3 +429,92 @@ nouveau_fence_new(struct nouveau_channel *chan, bool sysmem, *pfence = fence; return ret; } + +static const char *nouveau_fence_get_get_driver_name(struct fence *fence) +{ + return "nouveau"; +} + +static const char *nouveau_fence_get_timeline_name(struct fence *f) +{ + struct nouveau_fence *fence = from_fence(f); + struct nouveau_fence_chan *fctx = nouveau_fctx(fence); + + return fence->channel ? fctx->name : "dead channel"; +} + +/* + * In an ideal world, read would not assume the channel context is still alive. + * This function may be called from another device, running into free memory as a + * result. The drm node should still be there, so we can derive the index from + * the fence context. + */ +static bool nouveau_fence_is_signaled(struct fence *f) +{ + struct nouveau_fence *fence = from_fence(f); + struct nouveau_fence_chan *fctx = nouveau_fctx(fence); + struct nouveau_channel *chan = fence->channel; + + return (int)(fctx->read(chan) - fence->base.seqno) >= 0; +} + +static bool nouveau_fence_no_signaling(struct fence *f) +{ + struct nouveau_fence *fence = from_fence(f); + + /* + * caller should have a reference on the fence, + * else fence could get freed here + */ + WARN_ON(atomic_read(&fence->base.refcount.refcount) <= 1); + + /* + * This needs uevents to work correctly, but fence_add_callback relies on + * being able to enable signaling. It will still get signaled eventually, + * just not right away. + */ + if (nouveau_fence_is_signaled(f)) { + list_del(&fence->head); + + fence_put(&fence->base); + return false; + } + + return true; +} + +static const struct fence_ops nouveau_fence_ops_legacy = { + .get_driver_name = nouveau_fence_get_get_driver_name, + .get_timeline_name = nouveau_fence_get_timeline_name, + .enable_signaling = nouveau_fence_no_signaling, + .signaled = nouveau_fence_is_signaled, + .wait = nouveau_fence_wait_legacy, + .release = NULL +}; + +static bool nouveau_fence_enable_signaling(struct fence *f) +{ + struct nouveau_fence *fence = from_fence(f); + struct nouveau_fence_chan *fctx = nouveau_fctx(fence); + bool ret; + + if (!fctx->notify_ref++) + nvif_notify_get(&fctx->notify); + + ret = nouveau_fence_no_signaling(f); + if (ret) + set_bit(FENCE_FLAG_USER_BITS, &fence->base.flags); + else if (!--fctx->notify_ref) + nvif_notify_put(&fctx->notify); + + return ret; +} + +static const struct fence_ops nouveau_fence_ops_uevent = { + .get_driver_name = nouveau_fence_get_get_driver_name, + .get_timeline_name = nouveau_fence_get_timeline_name, + .enable_signaling = nouveau_fence_enable_signaling, + .signaled = nouveau_fence_is_signaled, + .wait = fence_default_wait, + .release = NULL +}; diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h index c57bb61..44efd8c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.h +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -1,18 +1,21 @@ #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; - struct list_head work; - struct kref kref; bool sysmem; struct nouveau_channel *channel; unsigned long timeout; - u32 sequence; }; int nouveau_fence_new(struct nouveau_channel *, bool sysmem, @@ -25,9 +28,10 @@ int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *); bool nouveau_fence_done(struct nouveau_fence *); void nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *); int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr); -int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *); +int nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *); struct nouveau_fence_chan { + spinlock_t lock; struct list_head pending; struct list_head flip; @@ -38,8 +42,12 @@ struct nouveau_fence_chan { int (*emit32)(struct nouveau_channel *, u64, u32); int (*sync32)(struct nouveau_channel *, u64, u32); - spinlock_t lock; u32 sequence; + u32 context; + char name[24]; + + struct nvif_notify notify; + int notify_ref; }; struct nouveau_fence_priv { @@ -49,13 +57,13 @@ struct nouveau_fence_priv { int (*context_new)(struct nouveau_channel *); void (*context_del)(struct nouveau_channel *); - wait_queue_head_t waiting; + u32 contexts, context_base; bool uevent; }; #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence) -void nouveau_fence_context_new(struct nouveau_fence_chan *); +void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *); void nouveau_fence_context_del(struct nouveau_fence_chan *); int nv04_fence_create(struct nouveau_drm *); diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 1650c0b..d68c965 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -426,18 +426,6 @@ retry: } static int -validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo) -{ - struct nouveau_fence *fence = nvbo->bo.sync_obj; - int ret = 0; - - if (fence) - ret = nouveau_fence_sync(fence, chan); - - return ret; -} - -static int validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli, struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr) @@ -466,9 +454,10 @@ validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli, return ret; } - ret = validate_sync(chan, nvbo); + ret = nouveau_fence_sync(nvbo, chan); if (unlikely(ret)) { - NV_PRINTK(error, cli, "fail post-validate sync\n"); + if (ret != -ERESTARTSYS) + NV_PRINTK(error, cli, "fail post-validate sync\n"); return ret; } diff --git a/drivers/gpu/drm/nouveau/nv04_fence.c b/drivers/gpu/drm/nouveau/nv04_fence.c index 239c2c5a..4484131 100644 --- a/drivers/gpu/drm/nouveau/nv04_fence.c +++ b/drivers/gpu/drm/nouveau/nv04_fence.c @@ -41,7 +41,7 @@ nv04_fence_emit(struct nouveau_fence *fence) int ret = RING_SPACE(chan, 2); if (ret == 0) { BEGIN_NV04(chan, NvSubSw, 0x0150, 1); - OUT_RING (chan, fence->sequence); + OUT_RING (chan, fence->base.seqno); FIRE_RING (chan); } return ret; @@ -75,7 +75,7 @@ nv04_fence_context_new(struct nouveau_channel *chan) { struct nv04_fence_chan *fctx = kzalloc(sizeof(*fctx), GFP_KERNEL); if (fctx) { - nouveau_fence_context_new(&fctx->base); + nouveau_fence_context_new(chan, &fctx->base); fctx->base.emit = nv04_fence_emit; fctx->base.sync = nv04_fence_sync; fctx->base.read = nv04_fence_read; @@ -105,5 +105,7 @@ nv04_fence_create(struct nouveau_drm *drm) priv->base.dtor = nv04_fence_destroy; priv->base.context_new = nv04_fence_context_new; priv->base.context_del = nv04_fence_context_del; + priv->base.contexts = 15; + priv->base.context_base = fence_context_alloc(priv->base.contexts); return 0; } diff --git a/drivers/gpu/drm/nouveau/nv10_fence.c b/drivers/gpu/drm/nouveau/nv10_fence.c index 4faaf0a..737d066 100644 --- a/drivers/gpu/drm/nouveau/nv10_fence.c +++ b/drivers/gpu/drm/nouveau/nv10_fence.c @@ -33,7 +33,7 @@ nv10_fence_emit(struct nouveau_fence *fence) int ret = RING_SPACE(chan, 2); if (ret == 0) { BEGIN_NV04(chan, 0, NV10_SUBCHAN_REF_CNT, 1); - OUT_RING (chan, fence->sequence); + OUT_RING (chan, fence->base.seqno); FIRE_RING (chan); } return ret; @@ -75,7 +75,7 @@ nv10_fence_context_new(struct nouveau_channel *chan) if (!fctx) return -ENOMEM; - nouveau_fence_context_new(&fctx->base); + nouveau_fence_context_new(chan, &fctx->base); fctx->base.emit = nv10_fence_emit; fctx->base.read = nv10_fence_read; fctx->base.sync = nv10_fence_sync; @@ -106,6 +106,8 @@ nv10_fence_create(struct nouveau_drm *drm) priv->base.dtor = nv10_fence_destroy; priv->base.context_new = nv10_fence_context_new; priv->base.context_del = nv10_fence_context_del; + priv->base.contexts = 31; + priv->base.context_base = fence_context_alloc(priv->base.contexts); spin_lock_init(&priv->lock); return 0; } diff --git a/drivers/gpu/drm/nouveau/nv17_fence.c b/drivers/gpu/drm/nouveau/nv17_fence.c index ca90747..6f9a1f8 100644 --- a/drivers/gpu/drm/nouveau/nv17_fence.c +++ b/drivers/gpu/drm/nouveau/nv17_fence.c @@ -84,7 +84,7 @@ nv17_fence_context_new(struct nouveau_channel *chan) if (!fctx) return -ENOMEM; - nouveau_fence_context_new(&fctx->base); + nouveau_fence_context_new(chan, &fctx->base); fctx->base.emit = nv10_fence_emit; fctx->base.read = nv10_fence_read; fctx->base.sync = nv17_fence_sync; @@ -124,6 +124,8 @@ nv17_fence_create(struct nouveau_drm *drm) priv->base.resume = nv17_fence_resume; priv->base.context_new = nv17_fence_context_new; priv->base.context_del = nv10_fence_context_del; + priv->base.contexts = 31; + priv->base.context_base = fence_context_alloc(priv->base.contexts); spin_lock_init(&priv->lock); ret = nouveau_bo_new(drm->dev, 4096, 0x1000, TTM_PL_FLAG_VRAM, diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c index 195cf51..08fad36 100644 --- a/drivers/gpu/drm/nouveau/nv50_fence.c +++ b/drivers/gpu/drm/nouveau/nv50_fence.c @@ -46,7 +46,7 @@ nv50_fence_context_new(struct nouveau_channel *chan) if (!fctx) return -ENOMEM; - nouveau_fence_context_new(&fctx->base); + nouveau_fence_context_new(chan, &fctx->base); fctx->base.emit = nv10_fence_emit; fctx->base.read = nv10_fence_read; fctx->base.sync = nv17_fence_sync; @@ -95,6 +95,8 @@ nv50_fence_create(struct nouveau_drm *drm) priv->base.resume = nv17_fence_resume; priv->base.context_new = nv50_fence_context_new; priv->base.context_del = nv10_fence_context_del; + priv->base.contexts = 127; + priv->base.context_base = fence_context_alloc(priv->base.contexts); spin_lock_init(&priv->lock); ret = nouveau_bo_new(drm->dev, 4096, 0x1000, TTM_PL_FLAG_VRAM, diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c index 933a779..a2f2808 100644 --- a/drivers/gpu/drm/nouveau/nv84_fence.c +++ b/drivers/gpu/drm/nouveau/nv84_fence.c @@ -82,7 +82,7 @@ nv84_fence_emit(struct nouveau_fence *fence) else addr += fctx->vma.offset; - return fctx->base.emit32(chan, addr, fence->sequence); + return fctx->base.emit32(chan, addr, fence->base.seqno); } static int @@ -97,7 +97,7 @@ nv84_fence_sync(struct nouveau_fence *fence, else addr += fctx->vma.offset; - return fctx->base.sync32(chan, addr, fence->sequence); + return fctx->base.sync32(chan, addr, fence->base.seqno); } static u32 @@ -139,12 +139,13 @@ nv84_fence_context_new(struct nouveau_channel *chan) if (!fctx) return -ENOMEM; - nouveau_fence_context_new(&fctx->base); + nouveau_fence_context_new(chan, &fctx->base); fctx->base.emit = nv84_fence_emit; fctx->base.sync = nv84_fence_sync; fctx->base.read = nv84_fence_read; fctx->base.emit32 = nv84_fence_emit32; fctx->base.sync32 = nv84_fence_sync32; + fctx->base.sequence = nv84_fence_read(chan); ret = nouveau_bo_vma_add(priv->bo, cli->vm, &fctx->vma); if (ret == 0) { @@ -168,13 +169,12 @@ nv84_fence_context_new(struct nouveau_channel *chan) static bool nv84_fence_suspend(struct nouveau_drm *drm) { - struct nouveau_fifo *pfifo = nvkm_fifo(&drm->device); struct nv84_fence_priv *priv = drm->fence; int i; - priv->suspend = vmalloc((pfifo->max + 1) * sizeof(u32)); + priv->suspend = vmalloc(priv->base.contexts * sizeof(u32)); if (priv->suspend) { - for (i = 0; i <= pfifo->max; i++) + for (i = 0; i < priv->base.contexts; i++) priv->suspend[i] = nouveau_bo_rd32(priv->bo, i*4); } @@ -184,12 +184,11 @@ nv84_fence_suspend(struct nouveau_drm *drm) static void nv84_fence_resume(struct nouveau_drm *drm) { - struct nouveau_fifo *pfifo = nvkm_fifo(&drm->device); struct nv84_fence_priv *priv = drm->fence; int i; if (priv->suspend) { - for (i = 0; i <= pfifo->max; i++) + for (i = 0; i < priv->base.contexts; i++) nouveau_bo_wr32(priv->bo, i*4, priv->suspend[i]); vfree(priv->suspend); priv->suspend = NULL; @@ -229,10 +228,11 @@ nv84_fence_create(struct nouveau_drm *drm) priv->base.context_new = nv84_fence_context_new; priv->base.context_del = nv84_fence_context_del; - init_waitqueue_head(&priv->base.waiting); + priv->base.contexts = pfifo->max + 1; + priv->base.context_base = fence_context_alloc(priv->base.contexts); priv->base.uevent = true; - ret = nouveau_bo_new(drm->dev, 16 * (pfifo->max + 1), 0, + ret = nouveau_bo_new(drm->dev, 16 * priv->base.contexts, 0, TTM_PL_FLAG_VRAM, 0, 0, NULL, &priv->bo); if (ret == 0) { ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM); @@ -246,7 +246,7 @@ nv84_fence_create(struct nouveau_drm *drm) } if (ret == 0) - ret = nouveau_bo_new(drm->dev, 16 * (pfifo->max + 1), 0, + ret = nouveau_bo_new(drm->dev, 16 * priv->base.contexts, 0, TTM_PL_FLAG_TT, 0, 0, NULL, &priv->bo_gart); if (ret == 0) { |