fbdev/core/fbmon.c

1018 	u32 hfreq;
1030  * @hfreq: horizontal freq
1039  *                          flyback * hfreq
1043 static u32 fb_get_vblank(u32 hfreq)
1047 	vblank = (hfreq * FLYBACK)/1000;
1053  * fb_get_hblank_by_hfreq - get horizontal blank time given hfreq
1054  * @hfreq: horizontal freq
1072 static u32 fb_get_hblank_by_hfreq(u32 hfreq, u32 xres)
1079 	m_val = (m_val * 1000000)/hfreq;
1134  * hfreq = -------------------------------------
1141 	u32 divisor, hfreq;
1144 	hfreq = (yres + V_FRONTPORCH) * vfreq  * 1000;
1145 	return (hfreq/divisor);
1150 	timings->hfreq = fb_get_hfreq(timings->vfreq, timings->vactive);
1151 	timings->vblank = fb_get_vblank(timings->hfreq);
1153 	timings->hblank = fb_get_hblank_by_hfreq(timings->hfreq,
1156 	timings->dclk = timings->htotal * timings->hfreq;
1161 	timings->vblank = fb_get_vblank(timings->hfreq);
1163 	timings->vfreq = timings->hfreq/timings->vtotal;
1164 	timings->hblank = fb_get_hblank_by_hfreq(timings->hfreq,
1167 	timings->dclk = timings->htotal * timings->hfreq;
1175 	timings->hfreq = timings->dclk/timings->htotal;
1176 	timings->vblank = fb_get_vblank(timings->hfreq);
1178 	timings->vfreq = timings->hfreq/timings->vtotal;
1261 		timings->hfreq = hfmax;
1277 		timings->hfreq = val;
1291 	     timings->hfreq < hfmin || timings->hfreq > hfmax ||
1436 	u32 hfreq, vfreq, htotal, vtotal, pixclock;
1474 	hfreq = pixclock/htotal;
1475 	hfreq = (hfreq + 500) / 1000 * 1000;
1477 	vfreq = hfreq/vtotal;
1480 		hfreq < hfmin || hfreq > hfmax ||