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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:43:53 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:43:53 -0500
commitf6a0b5cd34d6e922cc7258c5429fb0f17508ceb6 (patch)
tree0fae4978f63219b30ae0039a6a05c93df950fd37 /arch/x86/boot/video-vga.c
parentd6cd4715e21508bebbb1928c91d628bd65f5de5f (diff)
parent8e92dc767abb58357e696a48fc3d8ce615a9c01a (diff)
Merge branch 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: Don't skip mode setting for the standard VGA modes x86-64, setup: Inhibit decompressor output if video info is invalid x86, setup: When restoring the screen, update boot_params.screen_info
Diffstat (limited to 'arch/x86/boot/video-vga.c')
-rw-r--r--arch/x86/boot/video-vga.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 819caa1f2008..ed7aeff786b2 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -42,22 +42,15 @@ static u8 vga_set_basic_mode(void)
42{ 42{
43 struct biosregs ireg, oreg; 43 struct biosregs ireg, oreg;
44 u16 ax; 44 u16 ax;
45 u8 rows;
46 u8 mode; 45 u8 mode;
47 46
48 initregs(&ireg); 47 initregs(&ireg);
49 48
49 /* Query current mode */
50 ax = 0x0f00; 50 ax = 0x0f00;
51 intcall(0x10, &ireg, &oreg); 51 intcall(0x10, &ireg, &oreg);
52 mode = oreg.al; 52 mode = oreg.al;
53 53
54 set_fs(0);
55 rows = rdfs8(0x484); /* rows minus one */
56
57 if ((oreg.ax == 0x5003 || oreg.ax == 0x5007) &&
58 (rows == 0 || rows == 24))
59 return mode;
60
61 if (mode != 3 && mode != 7) 54 if (mode != 3 && mode != 7)
62 mode = 3; 55 mode = 3;
63 56