10  * arch/i386/boot/video-mode.c
12  * Set the video mode.  This is separated out into a different
27 int do_restore;		/* Screen contents changed during mode flip */
28 int graphic_mode;	/* Graphic mode with linear frame buffer */
30 /* Probe the video drivers and have them generate their mode lists. */
51 /* Test if a mode is defined */
52 int mode_defined(u16 mode)  in mode_defined()  argument
61 			if (mi->mode == mode)  in mode_defined()
69 /* Set mode (without recalc) */
70 static int raw_set_mode(u16 mode, u16 *real_mode)  in raw_set_mode()  argument
77 	mode &= ~VIDEO_RECALC;  in raw_set_mode()
79 	/* Scan for mode based on fixed ID, position, or resolution */  in raw_set_mode()
86 			if ((mode == nmode && visible) ||  in raw_set_mode()
87 			    mode == mi->mode ||  in raw_set_mode()
88 			    mode == (mi->y << 8)+mi->x) {  in raw_set_mode()
89 				*real_mode = mi->mode;  in raw_set_mode()
98 	/* Nothing found?  Is it an "exceptional" (unprobed) mode? */  in raw_set_mode()
100 		if (mode >= card->xmode_first &&  in raw_set_mode()
101 		    mode < card->xmode_first+card->xmode_n) {  in raw_set_mode()
103 			*real_mode = mix.mode = mode;  in raw_set_mode()
144 /* Set mode (with recalc if specified) */
145 int set_mode(u16 mode)  in set_mode()  argument
150 	/* Very special mode numbers... */  in set_mode()
151 	if (mode == VIDEO_CURRENT_MODE)  in set_mode()
153 	else if (mode == NORMAL_VGA)  in set_mode()
154 		mode = VIDEO_80x25;  in set_mode()
155 	else if (mode == EXTENDED_VGA)  in set_mode()
156 		mode = VIDEO_8POINT;  in set_mode()
158 	rv = raw_set_mode(mode, &real_mode);  in set_mode()
162 	if (mode & VIDEO_RECALC)  in set_mode()
165 	/* Save the canonical mode number for the kernel, not  in set_mode()