aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/boot/video-vesa.c7
-rw-r--r--arch/x86/boot/video-vga.c10
-rw-r--r--arch/x86/boot/video.c5
-rw-r--r--arch/x86/boot/video.h20
4 files changed, 3 insertions, 39 deletions
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index c700147d6ffb..d7ef26ba4540 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -31,7 +31,6 @@ static inline void vesa_store_mode_params_graphics(void) {}
31 31
32static int vesa_probe(void) 32static int vesa_probe(void)
33{ 33{
34#if defined(CONFIG_VIDEO_VESA) || defined(CONFIG_FIRMWARE_EDID)
35 struct biosregs ireg, oreg; 34 struct biosregs ireg, oreg;
36 u16 mode; 35 u16 mode;
37 addr_t mode_ptr; 36 addr_t mode_ptr;
@@ -49,8 +48,7 @@ static int vesa_probe(void)
49 vginfo.signature != VESA_MAGIC || 48 vginfo.signature != VESA_MAGIC ||
50 vginfo.version < 0x0102) 49 vginfo.version < 0x0102)
51 return 0; /* Not present */ 50 return 0; /* Not present */
52#endif /* CONFIG_VIDEO_VESA || CONFIG_FIRMWARE_EDID */ 51
53#ifdef CONFIG_VIDEO_VESA
54 set_fs(vginfo.video_mode_ptr.seg); 52 set_fs(vginfo.video_mode_ptr.seg);
55 mode_ptr = vginfo.video_mode_ptr.off; 53 mode_ptr = vginfo.video_mode_ptr.off;
56 54
@@ -102,9 +100,6 @@ static int vesa_probe(void)
102 } 100 }
103 101
104 return nmodes; 102 return nmodes;
105#else
106 return 0;
107#endif /* CONFIG_VIDEO_VESA */
108} 103}
109 104
110static int vesa_set_mode(struct mode_info *mode) 105static int vesa_set_mode(struct mode_info *mode)
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 8f8d827e254d..819caa1f2008 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -47,14 +47,6 @@ static u8 vga_set_basic_mode(void)
47 47
48 initregs(&ireg); 48 initregs(&ireg);
49 49
50#ifdef CONFIG_VIDEO_400_HACK
51 if (adapter >= ADAPTER_VGA) {
52 ireg.ax = 0x1202;
53 ireg.bx = 0x0030;
54 intcall(0x10, &ireg, NULL);
55 }
56#endif
57
58 ax = 0x0f00; 50 ax = 0x0f00;
59 intcall(0x10, &ireg, &oreg); 51 intcall(0x10, &ireg, &oreg);
60 mode = oreg.al; 52 mode = oreg.al;
@@ -62,11 +54,9 @@ static u8 vga_set_basic_mode(void)
62 set_fs(0); 54 set_fs(0);
63 rows = rdfs8(0x484); /* rows minus one */ 55 rows = rdfs8(0x484); /* rows minus one */
64 56
65#ifndef CONFIG_VIDEO_400_HACK
66 if ((oreg.ax == 0x5003 || oreg.ax == 0x5007) && 57 if ((oreg.ax == 0x5003 || oreg.ax == 0x5007) &&
67 (rows == 0 || rows == 24)) 58 (rows == 0 || rows == 24))
68 return mode; 59 return mode;
69#endif
70 60
71 if (mode != 3 && mode != 7) 61 if (mode != 3 && mode != 7)
72 mode = 3; 62 mode = 3;
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index bad728b76fc2..d42da3802499 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -221,7 +221,6 @@ static unsigned int mode_menu(void)
221 } 221 }
222} 222}
223 223
224#ifdef CONFIG_VIDEO_RETAIN
225/* Save screen content to the heap */ 224/* Save screen content to the heap */
226static struct saved_screen { 225static struct saved_screen {
227 int x, y; 226 int x, y;
@@ -299,10 +298,6 @@ static void restore_screen(void)
299 ireg.dl = saved.curx; 298 ireg.dl = saved.curx;
300 intcall(0x10, &ireg, NULL); 299 intcall(0x10, &ireg, NULL);
301} 300}
302#else
303#define save_screen() ((void)0)
304#define restore_screen() ((void)0)
305#endif
306 301
307void set_video(void) 302void set_video(void)
308{ 303{
diff --git a/arch/x86/boot/video.h b/arch/x86/boot/video.h
index 5bb174a997fc..ff339c5db311 100644
--- a/arch/x86/boot/video.h
+++ b/arch/x86/boot/video.h
@@ -17,19 +17,8 @@
17 17
18#include <linux/types.h> 18#include <linux/types.h>
19 19
20/* Enable autodetection of SVGA adapters and modes. */ 20/*
21#undef CONFIG_VIDEO_SVGA 21 * This code uses an extended set of video mode numbers. These include:
22
23/* Enable autodetection of VESA modes */
24#define CONFIG_VIDEO_VESA
25
26/* Retain screen contents when switching modes */
27#define CONFIG_VIDEO_RETAIN
28
29/* Force 400 scan lines for standard modes (hack to fix bad BIOS behaviour */
30#undef CONFIG_VIDEO_400_HACK
31
32/* This code uses an extended set of video mode numbers. These include:
33 * Aliases for standard modes 22 * Aliases for standard modes
34 * NORMAL_VGA (-1) 23 * NORMAL_VGA (-1)
35 * EXTENDED_VGA (-2) 24 * EXTENDED_VGA (-2)
@@ -67,13 +56,8 @@
67/* The "recalculate timings" flag */ 56/* The "recalculate timings" flag */
68#define VIDEO_RECALC 0x8000 57#define VIDEO_RECALC 0x8000
69 58
70/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
71#ifdef CONFIG_VIDEO_RETAIN
72void store_screen(void); 59void store_screen(void);
73#define DO_STORE() store_screen() 60#define DO_STORE() store_screen()
74#else
75#define DO_STORE() ((void)0)
76#endif /* CONFIG_VIDEO_RETAIN */
77 61
78/* 62/*
79 * Mode table structures 63 * Mode table structures