From c02763f9b7eaf647995c80d23f98eb4d909ab274 Mon Sep 17 00:00:00 2001 From: Colin Watson Date: Mon, 13 Jan 2014 12:13:11 +0000 Subject: [PATCH] Blacklist 1440x900x32 from VBE preferred mode handling Bug-Ubuntu: https://bugs.launchpad.net/bugs/701111 Forwarded: no Last-Update: 2013-11-14 Patch-Name: blacklist-1440x900x32.patch Gbp-Pq: Name blacklist-1440x900x32.patch --- grub-core/video/i386/pc/vbe.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/grub-core/video/i386/pc/vbe.c b/grub-core/video/i386/pc/vbe.c index a0bb9af..c5831bb 100644 --- a/grub-core/video/i386/pc/vbe.c +++ b/grub-core/video/i386/pc/vbe.c @@ -1054,6 +1054,15 @@ grub_video_vbe_setup (unsigned int width, unsigned int height, || vbe_mode_info.y_resolution > height) /* Resolution exceeds that of preferred mode. */ continue; + + /* Blacklist 1440x900x32 from preferred mode handling until a + better solution is available. This mode causes problems on + many Thinkpads. See: + https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/701111 */ + if (vbe_mode_info.x_resolution == 1440 && + vbe_mode_info.y_resolution == 900 && + vbe_mode_info.bits_per_pixel == 32) + continue; } else { -- 2.30.2