Module Name: src
Committed By: macallan
Date: Fri Mar 2 14:45:23 UTC 2018
Modified Files:
src/sys/arch/powerpc/oea: ofw_rascons.c
Log Message:
add a comment to explain why we defer wsdisplay_preattach() in bridge mode
To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/sys/arch/powerpc/oea/ofw_rascons.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/powerpc/oea/ofw_rascons.c
diff -u src/sys/arch/powerpc/oea/ofw_rascons.c:1.11 src/sys/arch/powerpc/oea/ofw_rascons.c:1.12
--- src/sys/arch/powerpc/oea/ofw_rascons.c:1.11 Fri Mar 2 14:37:18 2018
+++ src/sys/arch/powerpc/oea/ofw_rascons.c Fri Mar 2 14:45:23 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: ofw_rascons.c,v 1.11 2018/03/02 14:37:18 macallan Exp $ */
+/* $NetBSD: ofw_rascons.c,v 1.12 2018/03/02 14:45:23 macallan Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
@@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ofw_rascons.c,v 1.11 2018/03/02 14:37:18 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ofw_rascons.c,v 1.12 2018/03/02 14:45:23 macallan Exp $");
#include "wsdisplay.h"
@@ -117,6 +117,16 @@ rascons_cnattach(void)
rascons_stdscreen.textops = &ri->ri_ops;
rascons_stdscreen.capabilities = ri->ri_caps;
+ /*
+ * XXX
+ * On some G5 models ( so far, 970FX but not 970MP ) we can't seem to
+ * access video memory in real mode, but a lot of code relies on rasops
+ * data structures being set up early so we can't just push the whole
+ * thing further down. Instead set things up but don't actually attach
+ * the console until later.
+ * This needs a better trigger but for now I can't reliably tell which
+ * exact models / CPUs / other hardware actually need it.
+ */
if ((oeacpufeat & OEACPU_64_BRIDGE) != 0) {
needs_finalize = 1;
} else {
