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authorBen Skeggs <skeggsb@gmail.com>2007-04-06 03:24:39 +1000
committerBen Skeggs <skeggsb@gmail.com>2007-04-06 03:27:55 +1000
commit78034c06dfc0cd79cc47c2daa119ca3ee2a4fed4 (patch)
treeb007993e8e7b6207b003915c3cd3319b7446f704
parent38f52402a8b7126f0c1ceccf7c1843b1a5247ef6 (diff)
nouveau: make a note about a bit that breaks some cards
-rw-r--r--shared-core/nouveau_reg.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h
index 3360fec2..ea4a2f6b 100644
--- a/shared-core/nouveau_reg.h
+++ b/shared-core/nouveau_reg.h
@@ -65,6 +65,10 @@
#define NV03_PMC_ENABLE 0x00000200
# define NV_PMC_ENABLE_PFIFO (1<< 8)
# define NV_PMC_ENABLE_PGRAPH (1<<12)
+/* Disabling the below bit breaks newer (G7X only?) mobile chipsets,
+ * the card will hang early on in the X init process.
+ */
+# define NV_PMC_ENABLE_UNK13 (1<<13)
#define NV40_PMC_1700 0x00001700
#define NV40_PMC_1704 0x00001704
#define NV40_PMC_1708 0x00001708