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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.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_graph.c b/drivers/gpu/drm/nouveau/nv04_graph.c
index 774cb7a..dbdea8e 100644
--- a/drivers/gpu/drm/nouveau/nv04_graph.c
+++ b/drivers/gpu/drm/nouveau/nv04_graph.c
@@ -540,6 +540,11 @@ nv04_graph_init(struct drm_device *dev, int engine)
static int
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;
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