diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv40_graph.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv40_graph.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c index 0618846..19ef92a 100644 --- a/drivers/gpu/drm/nouveau/nv40_graph.c +++ b/drivers/gpu/drm/nouveau/nv40_graph.c @@ -62,6 +62,7 @@ nv40_graph_create_context(struct nouveau_channel *chan) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph; struct nouveau_grctx ctx = {}; + unsigned long flags; int ret; ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 16, @@ -76,6 +77,17 @@ nv40_graph_create_context(struct nouveau_channel *chan) nv40_grctx_init(&ctx); nv_wo32(chan->ramin_grctx, 0, chan->ramin_grctx->pinst); + + /* init grctx pointer in ramfc, and on PFIFO if channel is + * already active there + */ + spin_lock_irqsave(&dev_priv->context_switch_lock, flags); + nv_wo32(chan->ramfc, 0x38, chan->ramin_grctx->pinst >> 4); + nv_mask(dev, 0x002500, 0x00000001, 0x00000000); + if ((nv_rd32(dev, 0x003204) & 0x0000001f) == chan->id) + nv_wr32(dev, 0x0032e0, chan->ramin_grctx->pinst >> 4); + nv_mask(dev, 0x002500, 0x00000001, 0x00000001); + spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); return 0; } |
