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Diffstat (limited to 'arch/i386/boot/video.c')
-rw-r--r--arch/i386/boot/video.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/i386/boot/video.c b/arch/i386/boot/video.c
index 693f20d3102e..e4ba897bf9a3 100644
--- a/arch/i386/boot/video.c
+++ b/arch/i386/boot/video.c
@@ -147,7 +147,7 @@ int mode_defined(u16 mode)
}
/* Set mode (without recalc) */
-static int raw_set_mode(u16 mode)
+static int raw_set_mode(u16 mode, u16 *real_mode)
{
int nmode, i;
struct card_info *card;
@@ -165,8 +165,10 @@ static int raw_set_mode(u16 mode)
if ((mode == nmode && visible) ||
mode == mi->mode ||
- mode == (mi->y << 8)+mi->x)
+ mode == (mi->y << 8)+mi->x) {
+ *real_mode = mi->mode;
return card->set_mode(mi);
+ }
if (visible)
nmode++;
@@ -178,7 +180,7 @@ static int raw_set_mode(u16 mode)
if (mode >= card->xmode_first &&
mode < card->xmode_first+card->xmode_n) {
struct mode_info mix;
- mix.mode = mode;
+ *real_mode = mix.mode = mode;
mix.x = mix.y = 0;
return card->set_mode(&mix);
}
@@ -223,6 +225,7 @@ static void vga_recalc_vertical(void)
static int set_mode(u16 mode)
{
int rv;
+ u16 real_mode;
/* Very special mode numbers... */
if (mode == VIDEO_CURRENT_MODE)
@@ -232,13 +235,16 @@ static int set_mode(u16 mode)
else if (mode == EXTENDED_VGA)
mode = VIDEO_8POINT;
- rv = raw_set_mode(mode);
+ rv = raw_set_mode(mode, &real_mode);
if (rv)
return rv;
if (mode & VIDEO_RECALC)
vga_recalc_vertical();
+ /* Save the canonical mode number for the kernel, not
+ an alias, size specification or menu position */
+ boot_params.hdr.vid_mode = real_mode;
return 0;
}