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authorH. Peter Anvin <hpa@zytor.com>2008-01-30 13:33:02 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:02 +0100
commit1cac5004e953506166e980da5776d5cc1c176d79 (patch)
treeda90c8870839b0445b45b39b473c8715afc31424 /arch/x86/boot/video-vesa.c
parent02a7b425e82cd0052e5eaedbae81a522c6aae6c4 (diff)
downloadop-kernel-dev-1cac5004e953506166e980da5776d5cc1c176d79.zip
op-kernel-dev-1cac5004e953506166e980da5776d5cc1c176d79.tar.gz
x86 setup: display VESA graphics modes in vga=ask menu
Display VESA graphics modes, with their mode IDs, in the vga=ask menu. Most VESA mode numbers are platform-dependent, so it helps to have an easy way to display them. Based in part on a patch by Petr Vandrovec <petr@vandrovec.name>. Cc: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/boot/video-vesa.c')
-rw-r--r--arch/x86/boot/video-vesa.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 4716b9a..662dd2f 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -79,20 +79,28 @@ static int vesa_probe(void)
/* Text Mode, TTY BIOS supported,
supported by hardware */
mi = GET_HEAP(struct mode_info, 1);
- mi->mode = mode + VIDEO_FIRST_VESA;
- mi->x = vminfo.h_res;
- mi->y = vminfo.v_res;
+ mi->mode = mode + VIDEO_FIRST_VESA;
+ mi->depth = 0; /* text */
+ mi->x = vminfo.h_res;
+ mi->y = vminfo.v_res;
nmodes++;
- } else if ((vminfo.mode_attr & 0x99) == 0x99) {
+ } else if ((vminfo.mode_attr & 0x99) == 0x99 &&
+ (vminfo.memory_layout == 4 ||
+ vminfo.memory_layout == 6) &&
+ vminfo.memory_planes == 1) {
#ifdef CONFIG_FB
/* Graphics mode, color, linear frame buffer
- supported -- register the mode but hide from
- the menu. Only do this if framebuffer is
- configured, however, otherwise the user will
- be left without a screen. */
+ supported. Only register the mode if
+ if framebuffer is configured, however,
+ otherwise the user will be left without a screen.
+ We don't require CONFIG_FB_VESA, however, since
+ some of the other framebuffer drivers can use
+ this mode-setting, too. */
mi = GET_HEAP(struct mode_info, 1);
mi->mode = mode + VIDEO_FIRST_VESA;
- mi->x = mi->y = 0;
+ mi->depth = vminfo.bpp;
+ mi->x = vminfo.h_res;
+ mi->y = vminfo.v_res;
nmodes++;
#endif
}
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