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path: root/drivers/gpu/drm/nouveau/nv04_graph.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_graph.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_graph.c22
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 3626ee7db3b..dbdea8ed392 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)