diff options
Diffstat (limited to 'arch/x86/boot/video-vga.c')
| -rw-r--r-- | arch/x86/boot/video-vga.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c index 819caa1f200..45bc9402aa4 100644 --- a/arch/x86/boot/video-vga.c +++ b/arch/x86/boot/video-vga.c @@ -41,23 +41,15 @@ static __videocard video_vga; static u8 vga_set_basic_mode(void) { struct biosregs ireg, oreg; - u16 ax; - u8 rows; u8 mode; initregs(&ireg); - ax = 0x0f00; + /* Query current mode */ + ireg.ax = 0x0f00; intcall(0x10, &ireg, &oreg); mode = oreg.al; - set_fs(0); - rows = rdfs8(0x484); /* rows minus one */ - - if ((oreg.ax == 0x5003 || oreg.ax == 0x5007) && - (rows == 0 || rows == 24)) - return mode; - if (mode != 3 && mode != 7) mode = 3; |