133 			 struct fb_var_screeninfo *var);
136 static int intelfb_check_var(struct fb_var_screeninfo *var,
144 static int intelfb_pan_display(struct fb_var_screeninfo *var,
909 __inline__ int intelfb_var_to_depth(const struct fb_var_screeninfo *var)  in intelfb_var_to_depth()  argument
912 		var->bits_per_pixel, var->green.length);  in intelfb_var_to_depth()
914 	switch (var->bits_per_pixel) {  in intelfb_var_to_depth()
916 		return (var->green.length == 6) ? 16 : 15;  in intelfb_var_to_depth()
920 		return var->bits_per_pixel;  in intelfb_var_to_depth()
925 static __inline__ int var_to_refresh(const struct fb_var_screeninfo *var)  in var_to_refresh()  argument
927 	int xtot = var->xres + var->left_margin + var->right_margin +  in var_to_refresh()
928 		   var->hsync_len;  in var_to_refresh()
929 	int ytot = var->yres + var->upper_margin + var->lower_margin +  in var_to_refresh()
930 		   var->vsync_len;  in var_to_refresh()
932 	return (1000000000 / var->pixclock * 1000 + 500) / xtot / ytot;  in var_to_refresh()
941 	struct fb_var_screeninfo *var;  in get_initial_mode()  local
951 	var = &dinfo->initial_var;  in get_initial_mode()
952 	memset(var, 0, sizeof(*var));  in get_initial_mode()
953 	var->xres = screen_info.lfb_width;  in get_initial_mode()
954 	var->yres = screen_info.lfb_height;  in get_initial_mode()
955 	var->bits_per_pixel = screen_info.lfb_depth;  in get_initial_mode()
958 		var->bits_per_pixel = 16;  in get_initial_mode()
961 		var->bits_per_pixel = 32;  in get_initial_mode()
970 		var->xres, var->yres, var->bits_per_pixel,  in get_initial_mode()
974 	var->left_margin = (var->xres / 8) & 0xf8;  in get_initial_mode()
975 	var->right_margin = 32;  in get_initial_mode()
976 	var->upper_margin = 16;  in get_initial_mode()
977 	var->lower_margin = 4;  in get_initial_mode()
978 	var->hsync_len = (var->xres / 8) & 0xf8;  in get_initial_mode()
979 	var->vsync_len = 4;  in get_initial_mode()
981 	xtot = var->xres + var->left_margin +  in get_initial_mode()
982 		var->right_margin + var->hsync_len;  in get_initial_mode()
983 	ytot = var->yres + var->upper_margin +  in get_initial_mode()
984 		var->lower_margin + var->vsync_len;  in get_initial_mode()
985 	var->pixclock = 10000000 / xtot * 1000 / ytot * 100 / 60;  in get_initial_mode()
987 	var->height = -1;  in get_initial_mode()
988 	var->width = -1;  in get_initial_mode()
990 	if (var->bits_per_pixel > 8) {  in get_initial_mode()
991 		var->red.offset = screen_info.red_pos;  in get_initial_mode()
992 		var->red.length = screen_info.red_size;  in get_initial_mode()
993 		var->green.offset = screen_info.green_pos;  in get_initial_mode()
994 		var->green.length = screen_info.green_size;  in get_initial_mode()
995 		var->blue.offset = screen_info.blue_pos;  in get_initial_mode()
996 		var->blue.length = screen_info.blue_size;  in get_initial_mode()
997 		var->transp.offset = screen_info.rsvd_pos;  in get_initial_mode()
998 		var->transp.length = screen_info.rsvd_size;  in get_initial_mode()
1000 		var->red.length = 8;  in get_initial_mode()
1001 		var->green.length = 8;  in get_initial_mode()
1002 		var->blue.length = 8;  in get_initial_mode()
1008 	struct fb_var_screeninfo *var;  in intelfb_init_var()  local
1013 	var = &dinfo->info->var;  in intelfb_init_var()
1015 	        memcpy(var, &dinfo->initial_var,  in intelfb_init_var()
1035 			msrc = fb_find_mode(var, dinfo->info, mode,  in intelfb_init_var()
1044 				msrc = fb_find_mode(var, dinfo->info, mode,  in intelfb_init_var()
1054 			msrc = fb_find_mode(var, dinfo->info, PREFERRED_MODE,  in intelfb_init_var()
1063 	INF_MSG("Initial video mode is %dx%d-%d@%d.\n", var->xres, var->yres,  in intelfb_init_var()
1064 		var->bits_per_pixel, var_to_refresh(var));  in intelfb_init_var()
1070 	var->xres_virtual = var->xres;  in intelfb_init_var()
1071 	var->yres_virtual =  in intelfb_init_var()
1072 		dinfo->fb.size / 2 / (var->bits_per_pixel * var->xres);  in intelfb_init_var()
1073 	if (var->yres_virtual < var->yres)  in intelfb_init_var()
1074 		var->yres_virtual = var->yres;  in intelfb_init_var()
1076 	var->yres_virtual = var->yres;  in intelfb_init_var()
1080 		var->accel_flags |= FB_ACCELF_TEXT;  in intelfb_init_var()
1082 		var->accel_flags &= ~FB_ACCELF_TEXT;  in intelfb_init_var()
1117 	update_dinfo(dinfo, &info->var);  in intelfb_set_fbinfo()
1124 			 struct fb_var_screeninfo *var)  in update_dinfo()  argument
1128 	dinfo->bpp = var->bits_per_pixel;  in update_dinfo()
1129 	dinfo->depth = intelfb_var_to_depth(var);  in update_dinfo()
1130 	dinfo->xres = var->xres;  in update_dinfo()
1131 	dinfo->yres = var->xres;  in update_dinfo()
1132 	dinfo->pixclock = var->pixclock;  in update_dinfo()
1140 		dinfo->pitch = var->xres_virtual;  in update_dinfo()
1144 		dinfo->pitch = var->xres_virtual * 2;  in update_dinfo()
1148 		dinfo->pitch = var->xres_virtual * 4;  in update_dinfo()
1196 static int intelfb_check_var(struct fb_var_screeninfo *var,  in intelfb_check_var()  argument
1213 	DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags);  in intelfb_check_var()
1218 	if (intelfbhw_validate_mode(dinfo, var) != 0)  in intelfb_check_var()
1221 	v = *var;  in intelfb_check_var()
1242 	change_var = ((info->var.xres != var->xres) ||  in intelfb_check_var()
1243 		      (info->var.yres != var->yres) ||  in intelfb_check_var()
1244 		      (info->var.xres_virtual != var->xres_virtual) ||  in intelfb_check_var()
1245 		      (info->var.yres_virtual != var->yres_virtual) ||  in intelfb_check_var()
1246 		      (info->var.bits_per_pixel != var->bits_per_pixel) ||  in intelfb_check_var()
1247 		      memcmp(&info->var.red, &var->red, sizeof(var->red)) ||  in intelfb_check_var()
1248 		      memcmp(&info->var.green, &var->green,  in intelfb_check_var()
1249 			     sizeof(var->green)) ||  in intelfb_check_var()
1250 		      memcmp(&info->var.blue, &var->blue, sizeof(var->blue)));  in intelfb_check_var()
1254 	     var->yres_virtual > dinfo->initial_var.yres_virtual ||  in intelfb_check_var()
1255 	     var->yres_virtual < dinfo->initial_var.yres ||  in intelfb_check_var()
1256 	     var->xoffset || var->nonstd)) {  in intelfb_check_var()
1311         *var = v;  in intelfb_check_var()
1330 	DBG_MSG("intelfb_set_par (%dx%d-%d)\n", info->var.xres,  in intelfb_set_par()
1331 		info->var.yres, info->var.bits_per_pixel);  in intelfb_set_par()
1344 	if (intelfbhw_mode_to_hw(dinfo, hw, &info->var))  in intelfb_set_par()
1354 	update_dinfo(dinfo, &info->var);  in intelfb_set_par()
1359 	intelfb_pan_display(&info->var, info);  in intelfb_set_par()
1428 static int intelfb_pan_display(struct fb_var_screeninfo *var,  in intelfb_pan_display()  argument
1431 	intelfbhw_pan_display(var, info);  in intelfb_pan_display()
1484 			      dinfo->pitch, info->var.bits_per_pixel,  in intelfb_fillrect()
1504 			    dinfo->pitch, info->var.bits_per_pixel);  in intelfb_copyarea()
1534 				    dinfo->pitch, info->var.bits_per_pixel)) {  in intelfb_imageblit()
1590 		dx = cursor->image.dx - info->var.xoffset;  in intelfb_cursor()
1591 		dy = cursor->image.dy - info->var.yoffset;  in intelfb_cursor()