From a7fc83bc477e453ee221dacdf2911573ac645f30 Mon Sep 17 00:00:00 2001
From: nilusyi <nilusyi@tencent.com>
Date: Mon, 1 Apr 2024 15:06:59 +0800
Subject: [PATCH 020/272] vbe blacklist preferred 1440

Blacklist 1440x900x32 from preferred mode handling until a
better solution is available.  This mode causes problems on
many Thinkpads.

Signed-off-by: Michael Chang <mchang@suse.com>
---
 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 a0bb9af09..801ae9470 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.
+	   */
+	  if (vbe_mode_info.x_resolution == 1440 &&
+	      vbe_mode_info.y_resolution == 900 &&
+	      vbe_mode_info.bits_per_pixel == 32)
+	    continue;
 	}
       else
 	{
-- 
2.41.0