diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h
index a1895c34..21133d98 100644
--- a/shared-core/nouveau_reg.h
+++ b/shared-core/nouveau_reg.h
@@ -319,6 +319,18 @@
 #define NV47_PGRAPH_TSTATUS0(i)                            0x00400D0C
 #define NV04_PGRAPH_V_RAM                                  0x00400D40
 #define NV04_PGRAPH_W_RAM                                  0x00400D80
+#define NV10_PGRAPH_COMBINER0_IN_ALPHA                     0x00400E40
+#define NV10_PGRAPH_COMBINER1_IN_ALPHA                     0x00400E44
+#define NV10_PGRAPH_COMBINER0_IN_RGB                       0x00400E48
+#define NV10_PGRAPH_COMBINER1_IN_RGB                       0x00400E4C
+#define NV10_PGRAPH_COMBINER_COLOR0                        0x00400E50
+#define NV10_PGRAPH_COMBINER_COLOR1                        0x00400E54
+#define NV10_PGRAPH_COMBINER0_OUT_ALPHA                    0x00400E58
+#define NV10_PGRAPH_COMBINER1_OUT_ALPHA                    0x00400E5C
+#define NV10_PGRAPH_COMBINER0_OUT_RGB                      0x00400E60
+#define NV10_PGRAPH_COMBINER1_OUT_RGB                      0x00400E64
+#define NV10_PGRAPH_COMBINER_FINAL0                        0x00400E68
+#define NV10_PGRAPH_COMBINER_FINAL1                        0x00400E6C
 #define NV10_PGRAPH_WINDOWCLIP_HORIZONTAL                  0x00400F00
 #define NV10_PGRAPH_WINDOWCLIP_VERTICAL                    0x00400F20
 #define NV10_PGRAPH_XFMODE0                                0x00400F40
diff --git a/shared-core/nv10_graph.c b/shared-core/nv10_graph.c
index 456bc5d3..1fd185a0 100644
--- a/shared-core/nv10_graph.c
+++ b/shared-core/nv10_graph.c
@@ -558,18 +558,18 @@ NV03_PGRAPH_CLIPX_0,
 NV03_PGRAPH_CLIPX_1,
 NV03_PGRAPH_CLIPY_0,
 NV03_PGRAPH_CLIPY_1,
-0x00400e40,
-0x00400e44,
-0x00400e48,
-0x00400e4c,
-0x00400e50,
-0x00400e54,
-0x00400e58,
-0x00400e5c,
-0x00400e60,
-0x00400e64,
-0x00400e68,
-0x00400e6c,
+NV10_PGRAPH_COMBINER0_IN_ALPHA,
+NV10_PGRAPH_COMBINER1_IN_ALPHA,
+NV10_PGRAPH_COMBINER0_IN_RGB,
+NV10_PGRAPH_COMBINER1_IN_RGB,
+NV10_PGRAPH_COMBINER_COLOR0,
+NV10_PGRAPH_COMBINER_COLOR1,
+NV10_PGRAPH_COMBINER0_OUT_ALPHA,
+NV10_PGRAPH_COMBINER1_OUT_ALPHA,
+NV10_PGRAPH_COMBINER0_OUT_RGB,
+NV10_PGRAPH_COMBINER1_OUT_RGB,
+NV10_PGRAPH_COMBINER_FINAL0,
+NV10_PGRAPH_COMBINER_FINAL1,
 0x00400e00,
 0x00400e04,
 0x00400e08,