diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fifo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_fifo.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c index 25c439d..4c0d3a8 100644 --- a/drivers/gpu/drm/nouveau/nv04_fifo.c +++ b/drivers/gpu/drm/nouveau/nv04_fifo.c @@ -151,10 +151,27 @@ void nv04_fifo_destroy_context(struct nouveau_channel *chan) { struct drm_device *dev = chan->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; + unsigned long flags; - nv_wr32(dev, NV04_PFIFO_MODE, - nv_rd32(dev, NV04_PFIFO_MODE) & ~(1 << chan->id)); + spin_lock_irqsave(&dev_priv->context_switch_lock, flags); + pfifo->reassign(dev, false); + + /* Unload the context if it's the currently active one */ + if (pfifo->channel_id(dev) == chan->id) { + pfifo->disable(dev); + pfifo->unload_context(dev); + pfifo->enable(dev); + } + + /* Keep it from being rescheduled */ + nv_mask(dev, NV04_PFIFO_MODE, 1 << chan->id, 0); + + pfifo->reassign(dev, true); + spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); + /* Free the channel resources */ nouveau_gpuobj_ref(NULL, &chan->ramfc); } |