diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_graph.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_graph.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_graph.c b/drivers/gpu/drm/nouveau/nv04_graph.c index 3626ee7db3ba..dbdea8ed3925 100644 --- a/drivers/gpu/drm/nouveau/nv04_graph.c +++ b/drivers/gpu/drm/nouveau/nv04_graph.c @@ -450,13 +450,13 @@ nv04_graph_context_del(struct nouveau_channel *chan, int engine) unsigned long flags; spin_lock_irqsave(&dev_priv->context_switch_lock, flags); - nv04_graph_fifo_access(dev, false); + nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000); /* Unload the context if it's the currently active one */ if (nv04_graph_channel(dev) == chan) nv04_graph_unload_context(dev); - nv04_graph_fifo_access(dev, true); + nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001); spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); /* Free the context resources */ @@ -538,24 +538,18 @@ nv04_graph_init(struct drm_device *dev, int engine) } static int -nv04_graph_fini(struct drm_device *dev, int engine) +nv04_graph_fini(struct drm_device *dev, int engine, bool suspend) { + nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000); + if (!nv_wait(dev, NV04_PGRAPH_STATUS, ~0, 0) && suspend) { + nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001); + return -EBUSY; + } nv04_graph_unload_context(dev); nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000); return 0; } -void -nv04_graph_fifo_access(struct drm_device *dev, bool enabled) -{ - if (enabled) - nv_wr32(dev, NV04_PGRAPH_FIFO, - nv_rd32(dev, NV04_PGRAPH_FIFO) | 1); - else - nv_wr32(dev, NV04_PGRAPH_FIFO, - nv_rd32(dev, NV04_PGRAPH_FIFO) & ~1); -} - static int nv04_graph_mthd_set_ref(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) |