svn commit: r238301 - head/sys/dev/agp

[Marcel Moolenaar]

Author: marcel
Date: Mon Jul  9 16:23:59 2012
New Revision: 238301
URL: http://svn.freebsd.org/changeset/base/238301

Log:
  Revert revision 238172 of agp_i810.c.  Correctness is considered more
  important than avoiding confusion.
  
  Feedback from: kib, jhb

Modified:
  head/sys/dev/agp/agp_i810.c

Modified: head/sys/dev/agp/agp_i810.c
==============================================================================
--- head/sys/dev/agp/agp_i810.c	Mon Jul  9 15:44:35 2012	(r238300)
+++ head/sys/dev/agp/agp_i810.c	Mon Jul  9 16:23:59 2012	(r238301)
@@ -74,6 +74,7 @@ __FBSDID("$FreeBSD$");
 
 #include <machine/bus.h>
 #include <machine/resource.h>
+#include <machine/md_var.h>
 #include <sys/rman.h>
 
 MALLOC_DECLARE(M_AGP);
@@ -1438,7 +1439,7 @@ agp_i810_attach(device_t dev)
 	if (error)
 		return (error);
 
-	if (ptoa((vm_paddr_t)realmem) >
+	if (ptoa((vm_paddr_t)Maxmem) >
 	    (1ULL << sc->match->driver->busdma_addr_mask_sz) - 1) {
 		device_printf(dev, "agp_i810 does not support physical "
 		    "memory above %ju.\n", (uintmax_t)(1ULL <<