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-rw-r--r--shared-core/nv40_graph.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/shared-core/nv40_graph.c b/shared-core/nv40_graph.c
index 2540fc5f..de178f57 100644
--- a/shared-core/nv40_graph.c
+++ b/shared-core/nv40_graph.c
@@ -1544,6 +1544,8 @@ nv40_graph_transfer_context(struct drm_device *dev, uint32_t inst, int save)
tmp |= NV40_PGRAPH_CTXCTL_0304_XFER_CTX;
NV_WRITE(NV40_PGRAPH_CTXCTL_0304, tmp);
+ nouveau_wait_for_idle(dev);
+
for (i = 0; i < tv; i++) {
if (NV_READ(NV40_PGRAPH_CTXCTL_030C) == 0)
break;
@@ -1565,9 +1567,7 @@ nv40_graph_transfer_context(struct drm_device *dev, uint32_t inst, int save)
return 0;
}
-/* Save current context (from PGRAPH) into the channel's context
- *XXX: fails sometimes, not sure why..
- */
+/* Save current context (from PGRAPH) into the channel's context */
int
nv40_graph_save_context(struct nouveau_channel *chan)
{
@@ -1581,9 +1581,7 @@ nv40_graph_save_context(struct nouveau_channel *chan)
return nv40_graph_transfer_context(dev, inst, 1);
}
-/* Restore the context for a specific channel into PGRAPH
- * XXX: fails sometimes.. not sure why
- */
+/* Restore the context for a specific channel into PGRAPH */
int
nv40_graph_load_context(struct nouveau_channel *chan)
{