fbdev/aty/radeon_monitor.c

686 static void radeon_var_to_panel_info(struct radeonfb_info *rinfo, struct fb_var_screeninfo *var)
688 	rinfo->panel_info.xres = var->xres;
689 	rinfo->panel_info.yres = var->yres;
690 	rinfo->panel_info.clock = 100000000 / var->pixclock;
691 	rinfo->panel_info.hOver_plus = var->right_margin;
692 	rinfo->panel_info.hSync_width = var->hsync_len;
693        	rinfo->panel_info.hblank = var->left_margin +
694 		(var->right_margin + var->hsync_len);
695 	rinfo->panel_info.vOver_plus = var->lower_margin;
696 	rinfo->panel_info.vSync_width = var->vsync_len;
697        	rinfo->panel_info.vblank = var->upper_margin +
698 		(var->lower_margin + var->vsync_len);
700 		(var->sync & FB_SYNC_HOR_HIGH_ACT) != 0;
702 		(var->sync & FB_SYNC_VERT_HIGH_ACT) != 0;
712 static void radeon_videomode_to_var(struct fb_var_screeninfo *var,
715 	var->xres = mode->xres;
716 	var->yres = mode->yres;
717 	var->xres_virtual = mode->xres;
718 	var->yres_virtual = mode->yres;
719 	var->xoffset = 0;
720 	var->yoffset = 0;
721 	var->pixclock = mode->pixclock;
722 	var->left_margin = mode->left_margin;
723 	var->right_margin = mode->right_margin;
724 	var->upper_margin = mode->upper_margin;
725 	var->lower_margin = mode->lower_margin;
726 	var->hsync_len = mode->hsync_len;
727 	var->vsync_len = mode->vsync_len;
728 	var->sync = mode->sync;
729 	var->vmode = mode->vmode;
761 	 * Fill default var first
763 	info->var = radeonfb_default_var;
779 		struct fb_var_screeninfo var;
781 		if (fb_parse_edid(rinfo->mon1_EDID, &var) == 0) {
782 			if (var.xres >= rinfo->panel_info.xres &&
783 			    var.yres >= rinfo->panel_info.yres)
784 				radeon_var_to_panel_info(rinfo, &var);
798 		struct fb_var_screeninfo *var = &info->var;
801 		var->xres = rinfo->panel_info.xres;
802 		var->yres = rinfo->panel_info.yres;
803 		var->xres_virtual = rinfo->panel_info.xres;
804 		var->yres_virtual = rinfo->panel_info.yres;
805 		var->xoffset = var->yoffset = 0;
806 		var->bits_per_pixel = 8;
807 		var->pixclock = 100000000 / rinfo->panel_info.clock;
808 		var->left_margin = (rinfo->panel_info.hblank - rinfo->panel_info.hOver_plus
810 		var->right_margin = rinfo->panel_info.hOver_plus;
811 		var->upper_margin = (rinfo->panel_info.vblank - rinfo->panel_info.vOver_plus
813 		var->lower_margin = rinfo->panel_info.vOver_plus;
814 		var->hsync_len = rinfo->panel_info.hSync_width;
815 		var->vsync_len = rinfo->panel_info.vSync_width;
816 		var->sync = 0;
818 			var->sync |= FB_SYNC_HOR_HIGH_ACT;
820 			var->sync |= FB_SYNC_VERT_HIGH_ACT;
821 		var->vmode = 0;
865 		if (fb_find_mode(&info->var, info, modename,
872 		radeon_var_to_panel_info(rinfo, &info->var);
880 		if (fb_find_mode(&info->var, info, mode_option,
895 		if (fb_find_mode(&info->var, info, "800x600@60",
924 			info->var.bits_per_pixel = 8;
925 			radeon_videomode_to_var(&info->var, modedb);
934 		fb_var_to_videomode(&mode, &info->var);
951 static int radeon_compare_modes(const struct fb_var_screeninfo *var,
956 	distance = mode->yres - var->yres;
957 	distance += (mode->xres - var->xres)/2;