diff options
Diffstat (limited to 'arch/x86/boot/video-vga.c')
| -rw-r--r-- | arch/x86/boot/video-vga.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c index 7259387b7d1..330d6589a2a 100644 --- a/arch/x86/boot/video-vga.c +++ b/arch/x86/boot/video-vga.c @@ -210,6 +210,8 @@ static int vga_set_mode(struct mode_info *mode) */ static int vga_probe(void) { + u16 ega_bx; + static const char *card_name[] = { "CGA/MDA/HGC", "EGA", "VGA" }; @@ -226,12 +228,16 @@ static int vga_probe(void) u8 vga_flag; asm(INT10 - : "=b" (boot_params.screen_info.orig_video_ega_bx) + : "=b" (ega_bx) : "a" (0x1200), "b" (0x10) /* Check EGA/VGA */ : "ecx", "edx", "esi", "edi"); +#ifndef _WAKEUP + boot_params.screen_info.orig_video_ega_bx = ega_bx; +#endif + /* If we have MDA/CGA/HGC then BL will be unchanged at 0x10 */ - if ((u8)boot_params.screen_info.orig_video_ega_bx != 0x10) { + if ((u8)ega_bx != 0x10) { /* EGA/VGA */ asm(INT10 : "=a" (vga_flag) @@ -240,7 +246,9 @@ static int vga_probe(void) if (vga_flag == 0x1a) { adapter = ADAPTER_VGA; +#ifndef _WAKEUP boot_params.screen_info.orig_video_isVGA = 1; +#endif } else { adapter = ADAPTER_EGA; } |