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-rw-r--r--arch/x86_64/kernel/early_printk.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c
index e3a19e8ebbf8..9631c747c5e3 100644
--- a/arch/x86_64/kernel/early_printk.c
+++ b/arch/x86_64/kernel/early_printk.c
@@ -2,20 +2,24 @@
2#include <linux/kernel.h> 2#include <linux/kernel.h>
3#include <linux/init.h> 3#include <linux/init.h>
4#include <linux/string.h> 4#include <linux/string.h>
5#include <linux/tty.h>
5#include <asm/io.h> 6#include <asm/io.h>
6#include <asm/processor.h> 7#include <asm/processor.h>
7 8
8/* Simple VGA output */ 9/* Simple VGA output */
9 10
10#ifdef __i386__ 11#ifdef __i386__
12#include <asm/setup.h>
11#define VGABASE (__ISA_IO_base + 0xb8000) 13#define VGABASE (__ISA_IO_base + 0xb8000)
12#else 14#else
15#include <asm/bootsetup.h>
13#define VGABASE ((void __iomem *)0xffffffff800b8000UL) 16#define VGABASE ((void __iomem *)0xffffffff800b8000UL)
14#endif 17#endif
15 18
16#define MAX_YPOS 25 19#define MAX_YPOS max_ypos
17#define MAX_XPOS 80 20#define MAX_XPOS max_xpos
18 21
22static int max_ypos = 25, max_xpos = 80;
19static int current_ypos = 1, current_xpos = 0; 23static int current_ypos = 1, current_xpos = 0;
20 24
21static void early_vga_write(struct console *con, const char *str, unsigned n) 25static void early_vga_write(struct console *con, const char *str, unsigned n)
@@ -196,7 +200,10 @@ int __init setup_early_printk(char *opt)
196 } else if (!strncmp(buf, "ttyS", 4)) { 200 } else if (!strncmp(buf, "ttyS", 4)) {
197 early_serial_init(buf); 201 early_serial_init(buf);
198 early_console = &early_serial_console; 202 early_console = &early_serial_console;
199 } else if (!strncmp(buf, "vga", 3)) { 203 } else if (!strncmp(buf, "vga", 3)
204 && SCREEN_INFO.orig_video_isVGA == 1) {
205 max_xpos = SCREEN_INFO.orig_video_cols;
206 max_ypos = SCREEN_INFO.orig_video_lines;
200 early_console = &early_vga_console; 207 early_console = &early_vga_console;
201 } 208 }
202 early_console_initialized = 1; 209 early_console_initialized = 1;