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cbvga_list_modes: don't list current mode twice 

In case we've already added the framebuffer video mode
to the list do not add number 0x140.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2018-05-30 16:19:02 +02:00
parent 902bacb5f0
commit 0c2b3b1d95
1 changed files with 5 additions and 1 deletions
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6
vgasrc/cbvga.c
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@ -104,6 +104,8 @@ struct vgamode_s *cbvga_find_mode(int mode)
void
cbvga_list_modes(u16 seg, u16 *dest, u16 *last)
{
int seen = 0;
if (GET_GLOBAL(CBmode) != 0x3) {
/* Advertise additional SVGA modes for Microsoft NTLDR graphical mode.
* Microsoft NTLDR:
@ -119,9 +121,11 @@ cbvga_list_modes(u16 seg, u16 *dest, u16 *last)
continue;
SET_FARVAR(seg, *dest, mode);
dest++;
if (GET_GLOBAL(CBmode) == mode)
seen = 1;
}
}
if (dest < last) {
if (dest < last && !seen) {
SET_FARVAR(seg, *dest, GET_GLOBAL(CBmode));
dest++;
}