[Xen-devel] [PATCH 7/7] vgabios: Make Windows 8 support greater resolutions

[Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>]

Apparently Windows 8 refuse to use any mode if has more than one page.

Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
---
 tools/firmware/vgabios/vbe.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/firmware/vgabios/vbe.c b/tools/firmware/vgabios/vbe.c
index a7b06b9..9131721 100644
--- a/tools/firmware/vgabios/vbe.c
+++ b/tools/firmware/vgabios/vbe.c
@@ -946,9 +946,9 @@ Bit16u *AX;Bit16u CX; Bit16u ES;Bit16u DI;
                     (size_64k > totalMemory))
                   info.ModeAttributes &= ~VBE_MODE_ATTRIBUTE_SUPPORTED;
 
-                if (using_lfb) {
-                  info.NumberOfBanks = 1;
-                }
+                /* Windows 8 require this to be 1! */
+                info.NumberOfBanks = 1;
+
                 if (info.WinAAttributes & VBE_WINDOW_ATTRIBUTE_RELOCATABLE) {
                   info.WinFuncPtr = 0xC0000000UL;
                   *(Bit16u *)&(info.WinFuncPtr) = 
(Bit16u)(dispi_set_bank_farcall);
-- 
1.7.5.4


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