diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 53 |
1 files changed, 43 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index decfe6c..515cd9a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -101,6 +101,18 @@ nouveau_fence_context_del(struct nouveau_fence_chan *fctx) } static void +nouveau_fence_context_put(struct kref *fence_ref) +{ + kfree(container_of(fence_ref, struct nouveau_fence_chan, fence_ref)); +} + +void +nouveau_fence_context_free(struct nouveau_fence_chan *fctx) +{ + kref_put(&fctx->fence_ref, nouveau_fence_context_put); +} + +static void nouveau_fence_update(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx) { struct nouveau_fence *fence; @@ -141,6 +153,7 @@ void nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx) { struct nouveau_fence_priv *priv = (void*)chan->drm->fence; + struct nouveau_cli *cli = (void *)nvif_client(chan->object); int ret; INIT_LIST_HEAD(&fctx->flip); @@ -148,6 +161,14 @@ nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_cha spin_lock_init(&fctx->lock); fctx->context = priv->context_base + chan->chid; + if (chan == chan->drm->cechan) + strcpy(fctx->name, "copy engine channel"); + else if (chan == chan->drm->channel) + strcpy(fctx->name, "generic kernel channel"); + else + strcpy(fctx->name, nvkm_client(&cli->base)->name); + + kref_init(&fctx->fence_ref); if (!priv->uevent) return; @@ -195,8 +216,12 @@ nouveau_fence_work(struct fence *fence, work = kmalloc(sizeof(*work), GFP_KERNEL); if (!work) { + /* + * this might not be a nouveau fence any more, + * so force a lazy wait here + */ WARN_ON(nouveau_fence_wait((struct nouveau_fence *)fence, - false, false)); + true, false)); goto err; } @@ -226,12 +251,11 @@ nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan) if (priv->uevent) fence_init(&fence->base, &nouveau_fence_ops_uevent, - &fctx->lock, - priv->context_base + chan->chid, ++fctx->sequence); + &fctx->lock, fctx->context, ++fctx->sequence); else fence_init(&fence->base, &nouveau_fence_ops_legacy, - &fctx->lock, - priv->context_base + chan->chid, ++fctx->sequence); + &fctx->lock, fctx->context, ++fctx->sequence); + kref_get(&fctx->fence_ref); trace_fence_emit(&fence->base); ret = fctx->emit(fence); @@ -342,7 +366,7 @@ nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr) } int -nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool exclusive) +nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool exclusive, bool intr) { struct nouveau_fence_chan *fctx = chan->fence; struct fence *fence; @@ -369,7 +393,7 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e prev = f->channel; if (!prev || (prev != chan && (ret = fctx->sync(f, prev, chan)))) - ret = fence_wait(fence, true); + ret = fence_wait(fence, intr); return ret; } @@ -387,8 +411,8 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e if (f) prev = f->channel; - if (!prev || (ret = fctx->sync(f, prev, chan))) - ret = fence_wait(fence, true); + if (!prev || (prev != chan && (ret = fctx->sync(f, prev, chan)))) + ret = fence_wait(fence, intr); if (ret) break; @@ -482,13 +506,22 @@ static bool nouveau_fence_no_signaling(struct fence *f) return true; } +static void nouveau_fence_release(struct fence *f) +{ + struct nouveau_fence *fence = from_fence(f); + struct nouveau_fence_chan *fctx = nouveau_fctx(fence); + + kref_put(&fctx->fence_ref, nouveau_fence_context_put); + fence_free(&fence->base); +} + 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 + .release = nouveau_fence_release }; static bool nouveau_fence_enable_signaling(struct fence *f) |
