From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Paulo Flabiano Smorigo Date: Tue, 11 Jun 2013 15:14:05 -0300 Subject: [PATCH] Disable GRUB video support for IBM power machines Should fix the problem in bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=973205 --- 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 20cbbd761e..04df9d2c66 100644 --- a/grub-core/kern/ieee1275/cmain.c +++ b/grub-core/kern/ieee1275/cmain.c @@ -90,7 +90,10 @@ 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 17a3dbbb57..b8e4b3feb3 100644 --- a/grub-core/video/ieee1275.c +++ b/grub-core/video/ieee1275.c @@ -352,9 +352,12 @@ 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 0a599607f3..49dbd2ebfb 100644 --- a/include/grub/ieee1275/ieee1275.h +++ b/include/grub/ieee1275/ieee1275.h @@ -148,6 +148,8 @@ enum grub_ieee1275_flag GRUB_IEEE1275_FLAG_CURSORONOFF_ANSI_BROKEN, GRUB_IEEE1275_FLAG_RAW_DEVNAMES, + + GRUB_IEEE1275_FLAG_DISABLE_VIDEO_SUPPORT, }; extern int EXPORT_FUNC(grub_ieee1275_test_flag) (enum grub_ieee1275_flag flag);