dev/videomode/vesagtf.c

227     unsigned interlace;
265     /*  2. If interlace is requested, the number of vertical lines assumed
308     /*  6. If interlace is required, then set variable [INTERLACE]=0.5:
316     interlace = (flags & VESAGTF_FLAG_ILACE) ? 1 : 0;
318     print_value(6, "[2*INTERLACE]", interlace);
334      *  The other problem is that the interlace value is wrong.  To get
335      *  the interlace to a whole number, we multiply both the numerator and
336      *  divisor by 2, so we can use a value of either 1 or 0 for the interlace
352 	((2 * (v_lines + (2 * top_margin) + params->min_porch)) + interlace));
389         interlace + params->min_porch;
611      *  Adjusting for the fact that the interlace is scaled:
616     v_odd_front_porch_lines = ((2 * params->min_porch) + interlace) / 2;