112     /* 4. Find total active pixels */  in xf86CVTMode()
115     /* 5. Find number of lines per field */  in xf86CVTMode()
121     /* 6. Find top and bottom margins */  in xf86CVTMode()
168         /* 9. Find number of lines in sync + backporch */  in xf86CVTMode()
175         /* 10. Find number of lines in back porch */  in xf86CVTMode()
179         /* 11. Find total number of lines in vertical field */  in xf86CVTMode()
200         /* 12. Find ideal blanking duty cycle from formula */  in xf86CVTMode()
210         /* 14. Find total number of pixels in a line. */  in xf86CVTMode()
245         /* 9. Find number of lines in vertical blanking */  in xf86CVTMode()
252         /* 11. Find total number of lines in vertical field */  in xf86CVTMode()
255         /* 12. Find total number of pixels in a line */  in xf86CVTMode()
267     /* 15/13. Find pixel clock frequency (kHz for xf86) */  in xf86CVTMode()
271     /* 16/14. Find actual Horizontal Frequency (kHz) */  in xf86CVTMode()
274     /* 17/15. Find actual Field rate */  in xf86CVTMode()
278     /* 18/16. Find actual vertical frame frequency */  in xf86CVTMode()