118 #define V_SYNC_RQD        3     /* width of vsync in lines                   */
244            m->vfl - m->vse,     /* upper margin (in pixel lines) */  in print_fb_mode()
245            m->vss - m->vr,      /* lower margin (in pixel lines) */  in print_fb_mode()
247            m->vse - m->vss);    /* vert sync length (pixel lines) */  in print_fb_mode()
311     /*  2. If interlace is requested, the number of vertical lines assumed  in vert_refresh()
313      *  the number of vertical lines per field. In either case, the  in vert_refresh()
314      *  number of lines is rounded to the nearest integer.  in vert_refresh()
316      *  [V LINES RND] = IF([INT RQD?]="y", ROUND([V LINES]/2,0),  in vert_refresh()
317      *                                     ROUND([V LINES],0))  in vert_refresh()
323     print_value(2, "[V LINES RND]", v_lines_rnd);  in vert_refresh()
335     /*  4. Find number of lines in Top margin:  in vert_refresh()
337      *  [TOP MARGIN (LINES)] = IF([MARGINS RQD?]="Y",  in vert_refresh()
338      *          ROUND(([MARGIN%]/100*[V LINES RND]),0),  in vert_refresh()
344     print_value(4, "[TOP MARGIN (LINES)]", top_margin);  in vert_refresh()
346     /*  5. Find number of lines in Bottom margin:  in vert_refresh()
348      *  [BOT MARGIN (LINES)] = IF([MARGINS RQD?]="Y",  in vert_refresh()
349      *          ROUND(([MARGIN%]/100*[V LINES RND]),0),  in vert_refresh()
356     print_value(5, "[BOT MARGIN (LINES)]", bottom_margin);  in vert_refresh()
370      *                    ([V LINES RND] + (2*[TOP MARGIN (LINES)]) +  in vert_refresh()
380     /*  8. Find the number of lines in V sync + back porch:  in vert_refresh()
389     /*  9. Find the number of lines in V back porch alone:  in vert_refresh()
400     /*  10. Find the total number of lines in Vertical field period:  in vert_refresh()
402      *  [TOTAL V LINES] = [V LINES RND] + [TOP MARGIN (LINES)] +  in vert_refresh()
403      *                    [BOT MARGIN (LINES)] + [V SYNC+BP] + [INTERLACE] +  in vert_refresh()
410     print_value(10, "[TOTAL V LINES]", total_v_lines);  in vert_refresh()
414      *  [V FIELD RATE EST] = 1 / [H PERIOD EST] / [TOTAL V LINES] * 1000000  in vert_refresh()
432      *  [V FIELD RATE] = 1 / [H PERIOD] / [TOTAL V LINES] * 1000000  in vert_refresh()
566     /*  36. Find the number of lines in the odd front porch period:  in vert_refresh()
568      *  [V ODD FRONT PORCH(LINES)]=([MIN PORCH RND]+[INTERLACE])  in vert_refresh()
573     print_value(36, "[V ODD FRONT PORCH(LINES)]", v_odd_front_porch_lines);  in vert_refresh()