--- linux-arm-2.4.23/drivers/video/riva_new/fbdev.c     2004-01-15 11:34:52.000000000 +0000
+++ linux-arm-2.4.23/drivers/video/riva/fbdev.c 2004-02-19 16:33:54.000000000 +0000
@@ -2094,6 +2094,8 @@
 
        riva_get_dfpinfo(rinfo);
 
+        ((unsigned char *)rinfo->ctrl_base)[0x1850] |= 0x1; 
+
        rinfo->riva.EnableIRQ = 0;
        rinfo->riva.PRAMDAC = (unsigned *)(rinfo->ctrl_base + 0x00680000);
        rinfo->riva.PFB = (unsigned *)(rinfo->ctrl_base + 0x00100000);