IABSD.fr/xenocara/driver/xf86-video-intel/src/scripts/clock.5c

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  Commit

• Author : matthieu
  Date : 2009-06-25 20:16:43
  Hash : 42b052b9
  Message : update to xf86-video-intel 2.7.1. Tested by many.

• driver/xf86-video-intel/src/scripts/clock.5c

• int p2 = 14;
  int min_p, max_p;
  
  if (p2 == 7 || p2 == 14) {
  	/* LVDS */
  	min_p = 7;
  	max_p = 98;
  } else {
  	/* SDVO/DAC */
  	min_p = 5;
  	max_p = 80;
  }
  
  for (int m1 = 10; m1 <= 22; m1++) {
  	for (int m2 = 5; m2 <= 9; m2++) {
  		for (int n = 1; n <= 6; n++) {
  			for (int p1 = 1; p1 <= 8; p1++) {
  				int ref = 96000000;
  				int m = 5 * (m1 + 2) + (m2 + 2);
  				int p = p1 * p2;
  				int vco = floor(ref * m / (n + 2));
  				int clock = floor(vco / p);
  
  				if (p < min_p || p > max_p)
  					continue;
  				if (m < 70 || m > 120)
  					continue;
  				if (m2 > m1)
  					continue; /* won't happen */
  				if (vco < 1400000000 ||
  				    vco > 2800000000)
  					continue;
  
  				printf("clock: %d (%d,%d),%d,(%d,%d)\n",
  					floor(clock / 1000),
  					m1, m2, n, p1, p2);
  			}
  		}
  	}
  }