From: Tetsu Yamamoto <tyamamot@redhat.com>
Date: Tue, 25 Mar 2008 15:06:52 -0400
Subject: [xen] ia64: HV messages are not shown on VGA console
Message-id: 47E94D4C.70208@redhat.com
O-Subject: [RHEL5.2 patch] ia64-xen: hypervisor messages are not shown on VGA console
Bugzilla: 438789

This fixes BZ#438789.
https://bugzilla.redhat.com/show_bug.cgi?id=438789

This bug has been fixed in the upstream by adding VGA console information.
- changeset 15746: [IA64] Fix VGA console
  http://xenbits.xensource.com/xen-unstable.hg?rev/1ef9dc28810d

brew task is here:
http://brewweb.devel.redhat.com/brew/taskinfo?taskID=1226763

Please review and ACK.

Regards,

Tetsu Yamamoto

# HG changeset patch
# User Alex Williamson <alex.williamson@hp.com>
# Date 1185390567 21600
# Node ID 1ef9dc28810dc748bdbb21231061ff5f861bd04f
# Parent  fcdd56b88acdc34a392a6807fcaa6005fedf6d82
[IA64] Fix VGA console

VGA console support seems to have gotten broken somewhere along the
way.  On current bits, console=vga doesn't seem to do anything.  This
patch adds the necessary console info to get it working again.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>

Acked-by: Bill Burns <bburns@redhat.com>
Acked-by: Jarod Wilson <jwilson@redhat.com>
Acked-by: "Stephen C. Tweedie" <sct@redhat.com>

diff --git a/arch/ia64/xen/xensetup.c b/arch/ia64/xen/xensetup.c
index ca6727a..9fa7e4d 100644
--- a/arch/ia64/xen/xensetup.c
+++ b/arch/ia64/xen/xensetup.c
@@ -19,6 +19,7 @@
 #include <xen/serial.h>
 #include <xen/trace.h>
 #include <xen/keyhandler.h>
+#include <xen/vga.h>
 #include <asm/meminit.h>
 #include <asm/page.h>
 #include <asm/setup.h>
@@ -273,6 +274,20 @@ void start_kernel(void)
     }
     serial_init_preirq();
 
+#ifdef CONFIG_VGA
+    /* Plug in a default VGA mode */
+    vga_console_info.video_type = XEN_VGATYPE_TEXT_MODE_3;
+    vga_console_info.u.text_mode_3.font_height = 16; /* generic VGA? */
+    vga_console_info.u.text_mode_3.cursor_x =
+                                        ia64_boot_param->console_info.orig_x;
+    vga_console_info.u.text_mode_3.cursor_y =
+                                        ia64_boot_param->console_info.orig_y;
+    vga_console_info.u.text_mode_3.rows =
+                                        ia64_boot_param->console_info.num_rows;
+    vga_console_info.u.text_mode_3.columns =
+                                        ia64_boot_param->console_info.num_cols;
+#endif
+
     init_console();
     set_printk_prefix("(XEN) ");