Displaying 1 result from an estimated 1 matches for "nv10_pgraph_ctx_user".
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nv04_pgraph_ctx_user
2009 Nov 06
2
[PATCH 1/2] drm/nv10: Keep the lower bits of PGRAPH_CTX_USER during context switches.
...aph.c
index cf5c9c4..6bf6804 100644
--- a/drivers/gpu/drm/nouveau/nv10_graph.c
+++ b/drivers/gpu/drm/nouveau/nv10_graph.c
@@ -673,7 +673,8 @@ int nv10_graph_load_context(struct nouveau_channel *chan)
nv10_graph_load_pipe(chan);
nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
- nv_wr32(dev, NV10_PGRAPH_CTX_USER, chan->id << 24);
+ tmp = nv_rd32(dev, NV10_PGRAPH_CTX_USER);
+ nv_wr32(dev, NV10_PGRAPH_CTX_USER, (tmp & 0xffffff) | chan->id << 24);
tmp = nv_rd32(dev, NV10_PGRAPH_FFINTFC_ST2);
nv_wr32(dev, NV10_PGRAPH_FFINTFC_ST2, tmp & 0xcfffffff);
return 0;
--
1.6.4.4