--- nouveau_state.c~	2008-02-01 11:11:49.000000000 +0900
+++ nouveau_state.c	2008-07-11 13:25:03.000000000 +0900
@@ -422,8 +422,8 @@
 
 #if defined(__powerpc__)
 	/* Put the card in BE mode if it's not */
-	if (NV_READ(NV03_PMC_BOOT_1))
-		NV_WRITE(NV03_PMC_BOOT_1,0x00000001);
+	if (!(NV_READ(NV03_PMC_BOOT_1) & 0x01000001))
+		NV_WRITE(NV03_PMC_BOOT_1, 0x01000001);
 
 	DRM_MEMORYBARRIER();
 #endif