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x86: Tidy up VESA mode numbers

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There are some bits which should be ignored when displaying the mode number.
Make sure that they are not included in the mode that is displayed.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-01-01 16:18:04 -07:00
parent 818f602112
commit f4a6f0aed0
1 changed files with 7 additions and 4 deletions
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11
arch/x86/lib/bios.c
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@ -207,12 +207,14 @@ static u8 vbe_get_mode_info(struct vbe_mode_info *mi)
static u8 vbe_set_mode(struct vbe_mode_info *mi)
{
debug("VBE: Setting VESA mode %#04x\n", mi->video_mode);
int video_mode = mi->video_mode;
debug("VBE: Setting VESA mode %#04x\n", video_mode);
/* request linear framebuffer mode */
mi->video_mode |= (1 << 14);
video_mode |= (1 << 14);
/* don't clear the framebuffer, we do that later */
mi->video_mode |= (1 << 15);
realmode_interrupt(0x10, VESA_SET_MODE, mi->video_mode,
video_mode |= (1 << 15);
realmode_interrupt(0x10, VESA_SET_MODE, video_mode,
0x0000, 0x0000, 0x0000, 0x0000);
return 0;
@ -236,6 +238,7 @@ static void vbe_set_graphics(int vesa_mode, struct vbe_mode_info *mode_info)
return;
}
mode_info->video_mode &= 0x3ff;
vbe_set_mode(mode_info);
}