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2 * linux/drivers/video/fbcvt.c - VESA(TM) Coordinated Video Timings75 u32 num = 1000000000/cvt->f_refresh; in fb_cvt_hperiod()78 if (cvt->flags & FB_CVT_FLAG_REDUCED_BLANK) { in fb_cvt_hperiod()79 num -= FB_CVT_RB_MIN_VBLANK * 1000; in fb_cvt_hperiod()80 den = 2 * (cvt->yres/cvt->interlace + 2 * cvt->v_margin); in fb_cvt_hperiod()82 num -= FB_CVT_MIN_VSYNC_BP * 1000; in fb_cvt_hperiod()83 den = 2 * (cvt->yres/cvt->interlace + cvt->v_margin * 2 in fb_cvt_hperiod()84 + FB_CVT_MIN_VPORCH + cvt->interlace/2); in fb_cvt_hperiod()93 u32 c_prime = (FB_CVT_GTF_C - FB_CVT_GTF_J) * in fb_cvt_ideal_duty_cycle()96 u32 h_period_est = cvt->hperiod; in fb_cvt_ideal_duty_cycle()[all …]