--- linux-2.6.4/include/video/mach64.h	2004-03-11 16:47:33.000000000 +0100
+++ linux-2.6.js/include/video/mach64.h	2004-03-05 22:55:02.000000000 +0100
@@ -669,6 +669,7 @@
 /* Mach64 engine bit constants - these are typically ORed together */
 
 /* BUS_CNTL register constants */
+#define BUS_APER_REG_DIS	0x00000010
 #define BUS_FIFO_ERR_ACK	0x00200000
 #define BUS_HOST_ERR_ACK	0x00800000