diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_ramht.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_ramht.c | 80 |
1 files changed, 49 insertions, 31 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_ramht.c b/drivers/gpu/drm/nouveau/nouveau_ramht.c index 7f16697cc96c..bef3e6910418 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ramht.c +++ b/drivers/gpu/drm/nouveau/nouveau_ramht.c @@ -104,17 +104,17 @@ nouveau_ramht_insert(struct nouveau_channel *chan, u32 handle, nouveau_gpuobj_ref(gpuobj, &entry->gpuobj); if (dev_priv->card_type < NV_40) { - ctx = NV_RAMHT_CONTEXT_VALID | (gpuobj->cinst >> 4) | + ctx = NV_RAMHT_CONTEXT_VALID | (gpuobj->pinst >> 4) | (chan->id << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) | (gpuobj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT); } else if (dev_priv->card_type < NV_50) { - ctx = (gpuobj->cinst >> 4) | + ctx = (gpuobj->pinst >> 4) | (chan->id << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) | (gpuobj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT); } else { if (gpuobj->engine == NVOBJ_ENGINE_DISPLAY) { - ctx = (gpuobj->cinst << 10) | 2; + ctx = (gpuobj->cinst << 10) | chan->id; } else { ctx = (gpuobj->cinst >> 4) | ((gpuobj->engine << @@ -153,26 +153,42 @@ nouveau_ramht_insert(struct nouveau_channel *chan, u32 handle, return -ENOMEM; } +static struct nouveau_ramht_entry * +nouveau_ramht_remove_entry(struct nouveau_channel *chan, u32 handle) +{ + struct nouveau_ramht *ramht = chan ? chan->ramht : NULL; + struct nouveau_ramht_entry *entry; + unsigned long flags; + + if (!ramht) + return NULL; + + spin_lock_irqsave(&ramht->lock, flags); + list_for_each_entry(entry, &ramht->entries, head) { + if (entry->channel == chan && + (!handle || entry->handle == handle)) { + list_del(&entry->head); + spin_unlock_irqrestore(&ramht->lock, flags); + + return entry; + } + } + spin_unlock_irqrestore(&ramht->lock, flags); + + return NULL; +} + static void -nouveau_ramht_remove_locked(struct nouveau_channel *chan, u32 handle) +nouveau_ramht_remove_hash(struct nouveau_channel *chan, u32 handle) { struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem; struct nouveau_gpuobj *ramht = chan->ramht->gpuobj; - struct nouveau_ramht_entry *entry, *tmp; + unsigned long flags; u32 co, ho; - list_for_each_entry_safe(entry, tmp, &chan->ramht->entries, head) { - if (entry->channel != chan || entry->handle != handle) - continue; - - nouveau_gpuobj_ref(NULL, &entry->gpuobj); - list_del(&entry->head); - kfree(entry); - break; - } - + spin_lock_irqsave(&chan->ramht->lock, flags); co = ho = nouveau_ramht_hash_handle(chan, handle); do { if (nouveau_ramht_entry_valid(dev, ramht, co) && @@ -184,7 +200,7 @@ nouveau_ramht_remove_locked(struct nouveau_channel *chan, u32 handle) nv_wo32(ramht, co + 0, 0x00000000); nv_wo32(ramht, co + 4, 0x00000000); instmem->flush(dev); - return; + goto out; } co += 8; @@ -194,17 +210,23 @@ nouveau_ramht_remove_locked(struct nouveau_channel *chan, u32 handle) NV_ERROR(dev, "RAMHT entry not found. ch=%d, handle=0x%08x\n", chan->id, handle); +out: + spin_unlock_irqrestore(&chan->ramht->lock, flags); } -void +int nouveau_ramht_remove(struct nouveau_channel *chan, u32 handle) { - struct nouveau_ramht *ramht = chan->ramht; - unsigned long flags; + struct nouveau_ramht_entry *entry; - spin_lock_irqsave(&ramht->lock, flags); - nouveau_ramht_remove_locked(chan, handle); - spin_unlock_irqrestore(&ramht->lock, flags); + entry = nouveau_ramht_remove_entry(chan, handle); + if (!entry) + return -ENOENT; + + nouveau_ramht_remove_hash(chan, entry->handle); + nouveau_gpuobj_ref(NULL, &entry->gpuobj); + kfree(entry); + return 0; } struct nouveau_gpuobj * @@ -265,23 +287,19 @@ void nouveau_ramht_ref(struct nouveau_ramht *ref, struct nouveau_ramht **ptr, struct nouveau_channel *chan) { - struct nouveau_ramht_entry *entry, *tmp; + struct nouveau_ramht_entry *entry; struct nouveau_ramht *ramht; - unsigned long flags; if (ref) kref_get(&ref->refcount); ramht = *ptr; if (ramht) { - spin_lock_irqsave(&ramht->lock, flags); - list_for_each_entry_safe(entry, tmp, &ramht->entries, head) { - if (entry->channel != chan) - continue; - - nouveau_ramht_remove_locked(chan, entry->handle); + while ((entry = nouveau_ramht_remove_entry(chan, 0))) { + nouveau_ramht_remove_hash(chan, entry->handle); + nouveau_gpuobj_ref(NULL, &entry->gpuobj); + kfree(entry); } - spin_unlock_irqrestore(&ramht->lock, flags); kref_put(&ramht->refcount, nouveau_ramht_del); } |