From: Paulo Flabiano Smorigo <pfsmor...@br.ibm.com>
Should fix the problem in bugzilla:
https://bugzilla.redhat.com/show_bug.cgi?id=973205
Signed-off-by: Paulo Flabiano Smorigo <pfsmor...@br.ibm.com>
Signed-off-by: Robbie Harwood <rharw...@redhat.com>
---
grub-core/kern/ieee1275/cmain.c | 5 ++++-
grub-core/video/ieee1275.c | 9 ++++++---
include/grub/ieee1275/ieee1275.h | 2 ++
3 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/grub-core/kern/ieee1275/cmain.c b/grub-core/kern/ieee1275/cmain.c
index e74de3248..810a089a9 100644
--- a/grub-core/kern/ieee1275/cmain.c
+++ b/grub-core/kern/ieee1275/cmain.c
@@ -89,7 +89,10 @@ grub_ieee1275_find_options (void)
}
if (rc >= 0 && grub_strncmp (tmp, "IBM", 3) == 0)
- grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS);
+ {
+ grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS);
+ grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_DISABLE_VIDEO_SUPPORT);
+ }
/* Old Macs have no key repeat, newer ones have fully working one.
The ones inbetween when repeated key generates an escaoe sequence
diff --git a/grub-core/video/ieee1275.c b/grub-core/video/ieee1275.c
index ca3d3c3b2..5592e4bb7 100644
--- a/grub-core/video/ieee1275.c
+++ b/grub-core/video/ieee1275.c
@@ -351,9 +351,12 @@ static struct grub_video_adapter
grub_video_ieee1275_adapter =
GRUB_MOD_INIT(ieee1275_fb)
{
- find_display ();
- if (display)
- grub_video_register (&grub_video_ieee1275_adapter);
+ if (! grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_DISABLE_VIDEO_SUPPORT))
+ {
+ find_display ();
+ if (display)
+ grub_video_register (&grub_video_ieee1275_adapter);
+ }
}
GRUB_MOD_FINI(ieee1275_fb)
diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
index 4f6e6aaa0..db0ec5f4c 100644
--- a/include/grub/ieee1275/ieee1275.h
+++ b/include/grub/ieee1275/ieee1275.h
@@ -145,6 +145,8 @@ enum grub_ieee1275_flag
GRUB_IEEE1275_FLAG_POWER_VM,
GRUB_IEEE1275_FLAG_POWER_KVM,
+
+ GRUB_IEEE1275_FLAG_DISABLE_VIDEO_SUPPORT
};
extern int EXPORT_FUNC(grub_ieee1275_test_flag) (enum grub_ieee1275_flag flag);
--
2.46.1
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