aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
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
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')
-rw-r--r--arch/x86/boot/compressed/misc.c2
-rw-r--r--arch/x86/boot/video-vga.c9
-rw-r--r--arch/x86/boot/video.c7
3 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 88042e812d3c..51e240779a44 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -180,11 +180,9 @@ static void __putstr(int error, const char *s)
180 return; 180 return;
181#endif 181#endif
182 182
183#ifdef CONFIG_X86_32
184 if (real_mode->screen_info.orig_video_mode == 0 && 183 if (real_mode->screen_info.orig_video_mode == 0 &&
185 lines == 0 && cols == 0) 184 lines == 0 && cols == 0)
186 return; 185 return;
187#endif
188 186
189 x = real_mode->screen_info.orig_x; 187 x = real_mode->screen_info.orig_x;
190 y = real_mode->screen_info.orig_y; 188 y = real_mode->screen_info.orig_y;
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
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index f767164cd5df..43eda284d27f 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -298,11 +298,18 @@ static void restore_screen(void)
298 } 298 }
299 299
300 /* Restore cursor position */ 300 /* Restore cursor position */
301 if (saved.curx >= xs)
302 saved.curx = xs-1;
303 if (saved.cury >= ys)
304 saved.cury = ys-1;
305
301 initregs(&ireg); 306 initregs(&ireg);
302 ireg.ah = 0x02; /* Set cursor position */ 307 ireg.ah = 0x02; /* Set cursor position */
303 ireg.dh = saved.cury; 308 ireg.dh = saved.cury;
304 ireg.dl = saved.curx; 309 ireg.dl = saved.curx;
305 intcall(0x10, &ireg, NULL); 310 intcall(0x10, &ireg, NULL);
311
312 store_cursor_position();
306} 313}
307 314
308void set_video(void) 315void set_video(void)