Lines Matching refs:tu
301 struct tu_algo_data *tu) in dp_panel_update_tu_timings() argument
319 tu->lclk_fp = drm_fixp_from_fraction(in->lclk, 1); in dp_panel_update_tu_timings()
320 tu->pclk_fp = drm_fixp_from_fraction(in->pclk_khz, 1000); in dp_panel_update_tu_timings()
321 tu->lwidth = in->hactive; in dp_panel_update_tu_timings()
322 tu->hbp_relative_to_pclk = in->hporch; in dp_panel_update_tu_timings()
323 tu->nlanes = in->nlanes; in dp_panel_update_tu_timings()
324 tu->bpp = in->bpp; in dp_panel_update_tu_timings()
325 tu->pixelEnc = in->pixel_enc; in dp_panel_update_tu_timings()
326 tu->dsc_en = in->dsc_en; in dp_panel_update_tu_timings()
327 tu->async_en = in->async_en; in dp_panel_update_tu_timings()
328 tu->lwidth_fp = drm_fixp_from_fraction(in->hactive, 1); in dp_panel_update_tu_timings()
329 tu->hbp_relative_to_pclk_fp = drm_fixp_from_fraction(in->hporch, 1); in dp_panel_update_tu_timings()
331 if (tu->pixelEnc == 420) { in dp_panel_update_tu_timings()
333 tu->pclk_fp = drm_fixp_div(tu->pclk_fp, temp1_fp); in dp_panel_update_tu_timings()
334 tu->lwidth_fp = drm_fixp_div(tu->lwidth_fp, temp1_fp); in dp_panel_update_tu_timings()
335 tu->hbp_relative_to_pclk_fp = in dp_panel_update_tu_timings()
336 drm_fixp_div(tu->hbp_relative_to_pclk_fp, 2); in dp_panel_update_tu_timings()
339 if (tu->pixelEnc == 422) { in dp_panel_update_tu_timings()
340 switch (tu->bpp) { in dp_panel_update_tu_timings()
342 tu->bpp = 16; in dp_panel_update_tu_timings()
343 tu->bpc = 8; in dp_panel_update_tu_timings()
346 tu->bpp = 20; in dp_panel_update_tu_timings()
347 tu->bpc = 10; in dp_panel_update_tu_timings()
350 tu->bpp = 16; in dp_panel_update_tu_timings()
351 tu->bpc = 8; in dp_panel_update_tu_timings()
355 tu->bpc = tu->bpp/3; in dp_panel_update_tu_timings()
364 temp2_fp = drm_fixp_mul(tu->lwidth_fp, temp3_fp); in dp_panel_update_tu_timings()
386 temp2_fp = drm_fixp_mul(tu->pclk_fp, dwidth_dsc_fp); in dp_panel_update_tu_timings()
387 temp1_fp = drm_fixp_div(temp2_fp, tu->lwidth_fp); in dp_panel_update_tu_timings()
390 temp1_fp = drm_fixp_div(pclk_dsc_fp, tu->pclk_fp); in dp_panel_update_tu_timings()
391 temp2_fp = drm_fixp_mul(tu->hbp_relative_to_pclk_fp, temp1_fp); in dp_panel_update_tu_timings()
395 tu->pclk_fp = pclk_dsc_fp; in dp_panel_update_tu_timings()
396 tu->lwidth_fp = dwidth_dsc_fp; in dp_panel_update_tu_timings()
397 tu->hbp_relative_to_pclk_fp = hbp_dsc_fp; in dp_panel_update_tu_timings()
402 tu->lclk_fp = drm_fixp_mul(tu->lclk_fp, temp1_fp); in dp_panel_update_tu_timings()
406 static void _tu_valid_boundary_calc(struct tu_algo_data *tu) in _tu_valid_boundary_calc() argument
411 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
412 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
414 tu->new_valid_boundary_link = drm_fixp2int_ceil(temp2_fp); in _tu_valid_boundary_calc()
416 temp = (tu->i_upper_boundary_count * in _tu_valid_boundary_calc()
417 tu->new_valid_boundary_link + in _tu_valid_boundary_calc()
418 tu->i_lower_boundary_count * in _tu_valid_boundary_calc()
419 (tu->new_valid_boundary_link-1)); in _tu_valid_boundary_calc()
420 tu->average_valid2_fp = drm_fixp_from_fraction(temp, in _tu_valid_boundary_calc()
421 (tu->i_upper_boundary_count + in _tu_valid_boundary_calc()
422 tu->i_lower_boundary_count)); in _tu_valid_boundary_calc()
424 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _tu_valid_boundary_calc()
425 temp2_fp = tu->lwidth_fp; in _tu_valid_boundary_calc()
427 temp2_fp = drm_fixp_div(temp1_fp, tu->average_valid2_fp); in _tu_valid_boundary_calc()
428 tu->n_tus = drm_fixp2int(temp2_fp); in _tu_valid_boundary_calc()
430 tu->n_tus += 1; in _tu_valid_boundary_calc()
432 temp1_fp = drm_fixp_from_fraction(tu->n_tus, 1); in _tu_valid_boundary_calc()
433 temp2_fp = drm_fixp_mul(temp1_fp, tu->average_valid2_fp); in _tu_valid_boundary_calc()
434 temp1_fp = drm_fixp_from_fraction(tu->n_symbols, 1); in _tu_valid_boundary_calc()
436 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _tu_valid_boundary_calc()
438 tu->n_remainder_symbols_per_lane_fp = temp2_fp; in _tu_valid_boundary_calc()
440 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
441 tu->last_partial_tu_fp = in _tu_valid_boundary_calc()
442 drm_fixp_div(tu->n_remainder_symbols_per_lane_fp, in _tu_valid_boundary_calc()
445 if (tu->n_remainder_symbols_per_lane_fp != 0) in _tu_valid_boundary_calc()
446 tu->remainder_symbols_exist = 1; in _tu_valid_boundary_calc()
448 tu->remainder_symbols_exist = 0; in _tu_valid_boundary_calc()
450 temp1_fp = drm_fixp_from_fraction(tu->n_tus, tu->nlanes); in _tu_valid_boundary_calc()
451 tu->n_tus_per_lane = drm_fixp2int(temp1_fp); in _tu_valid_boundary_calc()
453 tu->paired_tus = (int)((tu->n_tus_per_lane) / in _tu_valid_boundary_calc()
454 (tu->i_upper_boundary_count + in _tu_valid_boundary_calc()
455 tu->i_lower_boundary_count)); in _tu_valid_boundary_calc()
457 tu->remainder_tus = tu->n_tus_per_lane - tu->paired_tus * in _tu_valid_boundary_calc()
458 (tu->i_upper_boundary_count + in _tu_valid_boundary_calc()
459 tu->i_lower_boundary_count); in _tu_valid_boundary_calc()
461 if ((tu->remainder_tus - tu->i_upper_boundary_count) > 0) { in _tu_valid_boundary_calc()
462 tu->remainder_tus_upper = tu->i_upper_boundary_count; in _tu_valid_boundary_calc()
463 tu->remainder_tus_lower = tu->remainder_tus - in _tu_valid_boundary_calc()
464 tu->i_upper_boundary_count; in _tu_valid_boundary_calc()
466 tu->remainder_tus_upper = tu->remainder_tus; in _tu_valid_boundary_calc()
467 tu->remainder_tus_lower = 0; in _tu_valid_boundary_calc()
470 temp = tu->paired_tus * (tu->i_upper_boundary_count * in _tu_valid_boundary_calc()
471 tu->new_valid_boundary_link + in _tu_valid_boundary_calc()
472 tu->i_lower_boundary_count * in _tu_valid_boundary_calc()
473 (tu->new_valid_boundary_link - 1)) + in _tu_valid_boundary_calc()
474 (tu->remainder_tus_upper * in _tu_valid_boundary_calc()
475 tu->new_valid_boundary_link) + in _tu_valid_boundary_calc()
476 (tu->remainder_tus_lower * in _tu_valid_boundary_calc()
477 (tu->new_valid_boundary_link - 1)); in _tu_valid_boundary_calc()
478 tu->total_valid_fp = drm_fixp_from_fraction(temp, 1); in _tu_valid_boundary_calc()
480 if (tu->remainder_symbols_exist) { in _tu_valid_boundary_calc()
481 temp1_fp = tu->total_valid_fp + in _tu_valid_boundary_calc()
482 tu->n_remainder_symbols_per_lane_fp; in _tu_valid_boundary_calc()
483 temp2_fp = drm_fixp_from_fraction(tu->n_tus_per_lane, 1); in _tu_valid_boundary_calc()
484 temp2_fp = temp2_fp + tu->last_partial_tu_fp; in _tu_valid_boundary_calc()
487 temp2_fp = drm_fixp_from_fraction(tu->n_tus_per_lane, 1); in _tu_valid_boundary_calc()
488 temp1_fp = drm_fixp_div(tu->total_valid_fp, temp2_fp); in _tu_valid_boundary_calc()
490 tu->effective_valid_fp = temp1_fp; in _tu_valid_boundary_calc()
492 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
493 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
494 tu->n_n_err_fp = tu->effective_valid_fp - temp2_fp; in _tu_valid_boundary_calc()
496 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
497 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
498 tu->n_err_fp = tu->average_valid2_fp - temp2_fp; in _tu_valid_boundary_calc()
500 tu->even_distribution = tu->n_tus % tu->nlanes == 0 ? 1 : 0; in _tu_valid_boundary_calc()
502 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _tu_valid_boundary_calc()
503 temp2_fp = tu->lwidth_fp; in _tu_valid_boundary_calc()
505 temp2_fp = drm_fixp_div(temp1_fp, tu->average_valid2_fp); in _tu_valid_boundary_calc()
508 tu->n_tus_incl_last_incomplete_tu = drm_fixp2int_ceil(temp2_fp); in _tu_valid_boundary_calc()
510 tu->n_tus_incl_last_incomplete_tu = 0; in _tu_valid_boundary_calc()
513 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
514 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
515 temp1_fp = tu->average_valid2_fp - temp2_fp; in _tu_valid_boundary_calc()
516 temp2_fp = drm_fixp_from_fraction(tu->n_tus_incl_last_incomplete_tu, 1); in _tu_valid_boundary_calc()
522 temp = tu->i_upper_boundary_count * tu->nlanes; in _tu_valid_boundary_calc()
523 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
524 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
525 temp1_fp = drm_fixp_from_fraction(tu->new_valid_boundary_link, 1); in _tu_valid_boundary_calc()
534 tu->extra_required_bytes_new_tmp = (int)(temp1 + temp2); in _tu_valid_boundary_calc()
536 temp1_fp = drm_fixp_from_fraction(8, tu->bpp); in _tu_valid_boundary_calc()
538 tu->extra_required_bytes_new_tmp, 1); in _tu_valid_boundary_calc()
542 tu->extra_pclk_cycles_tmp = drm_fixp2int_ceil(temp1_fp); in _tu_valid_boundary_calc()
544 tu->extra_pclk_cycles_tmp = 0; in _tu_valid_boundary_calc()
546 temp1_fp = drm_fixp_from_fraction(tu->extra_pclk_cycles_tmp, 1); in _tu_valid_boundary_calc()
547 temp2_fp = drm_fixp_div(tu->lclk_fp, tu->pclk_fp); in _tu_valid_boundary_calc()
551 tu->extra_pclk_cycles_in_link_clk_tmp = in _tu_valid_boundary_calc()
554 tu->extra_pclk_cycles_in_link_clk_tmp = 0; in _tu_valid_boundary_calc()
556 tu->filler_size_tmp = tu->tu_size - tu->new_valid_boundary_link; in _tu_valid_boundary_calc()
558 tu->lower_filler_size_tmp = tu->filler_size_tmp + 1; in _tu_valid_boundary_calc()
560 tu->delay_start_link_tmp = tu->extra_pclk_cycles_in_link_clk_tmp + in _tu_valid_boundary_calc()
561 tu->lower_filler_size_tmp + in _tu_valid_boundary_calc()
562 tu->extra_buffer_margin; in _tu_valid_boundary_calc()
564 temp1_fp = drm_fixp_from_fraction(tu->delay_start_link_tmp, 1); in _tu_valid_boundary_calc()
565 tu->delay_start_time_fp = drm_fixp_div(temp1_fp, tu->lclk_fp); in _tu_valid_boundary_calc()
567 compare_result_1 = _tu_param_compare(tu->n_n_err_fp, tu->diff_abs_fp); in _tu_valid_boundary_calc()
573 compare_result_2 = _tu_param_compare(tu->n_n_err_fp, tu->err_fp); in _tu_valid_boundary_calc()
579 compare_result_3 = _tu_param_compare(tu->hbp_time_fp, in _tu_valid_boundary_calc()
580 tu->delay_start_time_fp); in _tu_valid_boundary_calc()
586 if (((tu->even_distribution == 1) || in _tu_valid_boundary_calc()
587 ((tu->even_distribution_BF == 0) && in _tu_valid_boundary_calc()
588 (tu->even_distribution_legacy == 0))) && in _tu_valid_boundary_calc()
589 tu->n_err_fp >= 0 && tu->n_n_err_fp >= 0 && in _tu_valid_boundary_calc()
591 (compare_result_1 || (tu->min_hblank_violated == 1)) && in _tu_valid_boundary_calc()
592 (tu->new_valid_boundary_link - 1) > 0 && in _tu_valid_boundary_calc()
594 (tu->delay_start_link_tmp <= 1023)) { in _tu_valid_boundary_calc()
595 tu->upper_boundary_count = tu->i_upper_boundary_count; in _tu_valid_boundary_calc()
596 tu->lower_boundary_count = tu->i_lower_boundary_count; in _tu_valid_boundary_calc()
597 tu->err_fp = tu->n_n_err_fp; in _tu_valid_boundary_calc()
598 tu->boundary_moderation_en = true; in _tu_valid_boundary_calc()
599 tu->tu_size_desired = tu->tu_size; in _tu_valid_boundary_calc()
600 tu->valid_boundary_link = tu->new_valid_boundary_link; in _tu_valid_boundary_calc()
601 tu->effective_valid_recorded_fp = tu->effective_valid_fp; in _tu_valid_boundary_calc()
602 tu->even_distribution_BF = 1; in _tu_valid_boundary_calc()
603 tu->delay_start_link = tu->delay_start_link_tmp; in _tu_valid_boundary_calc()
604 } else if (tu->boundary_mod_lower_err == 0) { in _tu_valid_boundary_calc()
605 compare_result_1 = _tu_param_compare(tu->n_n_err_fp, in _tu_valid_boundary_calc()
606 tu->diff_abs_fp); in _tu_valid_boundary_calc()
608 tu->boundary_mod_lower_err = 1; in _tu_valid_boundary_calc()
616 struct tu_algo_data *tu; in _dp_ctrl_calc_tu() local
631 tu = kzalloc(sizeof(*tu), GFP_KERNEL); in _dp_ctrl_calc_tu()
632 if (!tu) in _dp_ctrl_calc_tu()
635 dp_panel_update_tu_timings(in, tu); in _dp_ctrl_calc_tu()
637 tu->err_fp = drm_fixp_from_fraction(1000, 1); /* 1000 */ in _dp_ctrl_calc_tu()
640 temp2_fp = drm_fixp_mul(temp1_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
641 temp_fp = drm_fixp_div(temp2_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
642 tu->extra_buffer_margin = drm_fixp2int_ceil(temp_fp); in _dp_ctrl_calc_tu()
644 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
645 temp2_fp = drm_fixp_mul(tu->pclk_fp, temp1_fp); in _dp_ctrl_calc_tu()
646 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _dp_ctrl_calc_tu()
648 tu->ratio_fp = drm_fixp_div(temp2_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
650 tu->original_ratio_fp = tu->ratio_fp; in _dp_ctrl_calc_tu()
651 tu->boundary_moderation_en = false; in _dp_ctrl_calc_tu()
652 tu->upper_boundary_count = 0; in _dp_ctrl_calc_tu()
653 tu->lower_boundary_count = 0; in _dp_ctrl_calc_tu()
654 tu->i_upper_boundary_count = 0; in _dp_ctrl_calc_tu()
655 tu->i_lower_boundary_count = 0; in _dp_ctrl_calc_tu()
656 tu->valid_lower_boundary_link = 0; in _dp_ctrl_calc_tu()
657 tu->even_distribution_BF = 0; in _dp_ctrl_calc_tu()
658 tu->even_distribution_legacy = 0; in _dp_ctrl_calc_tu()
659 tu->even_distribution = 0; in _dp_ctrl_calc_tu()
660 tu->delay_start_time_fp = 0; in _dp_ctrl_calc_tu()
662 tu->err_fp = drm_fixp_from_fraction(1000, 1); in _dp_ctrl_calc_tu()
663 tu->n_err_fp = 0; in _dp_ctrl_calc_tu()
664 tu->n_n_err_fp = 0; in _dp_ctrl_calc_tu()
666 tu->ratio = drm_fixp2int(tu->ratio_fp); in _dp_ctrl_calc_tu()
667 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _dp_ctrl_calc_tu()
668 div64_u64_rem(tu->lwidth_fp, temp1_fp, &temp2_fp); in _dp_ctrl_calc_tu()
670 !tu->ratio && tu->dsc_en == 0) { in _dp_ctrl_calc_tu()
671 tu->ratio_fp = drm_fixp_mul(tu->ratio_fp, RATIO_SCALE_fp); in _dp_ctrl_calc_tu()
672 tu->ratio = drm_fixp2int(tu->ratio_fp); in _dp_ctrl_calc_tu()
673 if (tu->ratio) in _dp_ctrl_calc_tu()
674 tu->ratio_fp = drm_fixp_from_fraction(1, 1); in _dp_ctrl_calc_tu()
677 if (tu->ratio > 1) in _dp_ctrl_calc_tu()
678 tu->ratio = 1; in _dp_ctrl_calc_tu()
680 if (tu->ratio == 1) in _dp_ctrl_calc_tu()
683 compare_result_1 = _tu_param_compare(tu->ratio_fp, const_p49_fp); in _dp_ctrl_calc_tu()
689 compare_result_2 = _tu_param_compare(tu->ratio_fp, const_p56_fp); in _dp_ctrl_calc_tu()
695 if (tu->dsc_en && compare_result_1 && compare_result_2) { in _dp_ctrl_calc_tu()
702 for (tu->tu_size = 32; tu->tu_size <= 64; tu->tu_size++) { in _dp_ctrl_calc_tu()
703 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _dp_ctrl_calc_tu()
704 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
707 tu->n_err_fp = temp1_fp - temp2_fp; in _dp_ctrl_calc_tu()
709 if (tu->n_err_fp < tu->err_fp) { in _dp_ctrl_calc_tu()
710 tu->err_fp = tu->n_err_fp; in _dp_ctrl_calc_tu()
711 tu->tu_size_desired = tu->tu_size; in _dp_ctrl_calc_tu()
715 tu->tu_size_minus1 = tu->tu_size_desired - 1; in _dp_ctrl_calc_tu()
717 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
718 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
719 tu->valid_boundary_link = drm_fixp2int_ceil(temp2_fp); in _dp_ctrl_calc_tu()
721 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
722 temp2_fp = tu->lwidth_fp; in _dp_ctrl_calc_tu()
725 temp1_fp = drm_fixp_from_fraction(tu->valid_boundary_link, 1); in _dp_ctrl_calc_tu()
727 tu->n_tus = drm_fixp2int(temp2_fp); in _dp_ctrl_calc_tu()
729 tu->n_tus += 1; in _dp_ctrl_calc_tu()
731 tu->even_distribution_legacy = tu->n_tus % tu->nlanes == 0 ? 1 : 0; in _dp_ctrl_calc_tu()
735 tu->valid_boundary_link, tu->n_tus); in _dp_ctrl_calc_tu()
737 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
738 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
739 temp1_fp = drm_fixp_from_fraction(tu->valid_boundary_link, 1); in _dp_ctrl_calc_tu()
741 temp1_fp = drm_fixp_from_fraction(tu->n_tus + 1, 1); in _dp_ctrl_calc_tu()
746 tu->extra_bytes = drm_fixp2int_ceil(temp2_fp); in _dp_ctrl_calc_tu()
748 tu->extra_bytes = 0; in _dp_ctrl_calc_tu()
750 temp1_fp = drm_fixp_from_fraction(tu->extra_bytes, 1); in _dp_ctrl_calc_tu()
751 temp2_fp = drm_fixp_from_fraction(8, tu->bpp); in _dp_ctrl_calc_tu()
755 tu->extra_pclk_cycles = drm_fixp2int_ceil(temp1_fp); in _dp_ctrl_calc_tu()
757 tu->extra_pclk_cycles = drm_fixp2int(temp1_fp); in _dp_ctrl_calc_tu()
759 temp1_fp = drm_fixp_div(tu->lclk_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
760 temp2_fp = drm_fixp_from_fraction(tu->extra_pclk_cycles, 1); in _dp_ctrl_calc_tu()
764 tu->extra_pclk_cycles_in_link_clk = drm_fixp2int_ceil(temp1_fp); in _dp_ctrl_calc_tu()
766 tu->extra_pclk_cycles_in_link_clk = drm_fixp2int(temp1_fp); in _dp_ctrl_calc_tu()
768 tu->filler_size = tu->tu_size_desired - tu->valid_boundary_link; in _dp_ctrl_calc_tu()
770 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
771 tu->ratio_by_tu_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
773 tu->delay_start_link = tu->extra_pclk_cycles_in_link_clk + in _dp_ctrl_calc_tu()
774 tu->filler_size + tu->extra_buffer_margin; in _dp_ctrl_calc_tu()
776 tu->resulting_valid_fp = in _dp_ctrl_calc_tu()
777 drm_fixp_from_fraction(tu->valid_boundary_link, 1); in _dp_ctrl_calc_tu()
779 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
780 temp2_fp = drm_fixp_div(tu->resulting_valid_fp, temp1_fp); in _dp_ctrl_calc_tu()
781 tu->TU_ratio_err_fp = temp2_fp - tu->original_ratio_fp; in _dp_ctrl_calc_tu()
784 temp1_fp = tu->hbp_relative_to_pclk_fp - temp1_fp; in _dp_ctrl_calc_tu()
785 tu->hbp_time_fp = drm_fixp_div(temp1_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
787 temp1_fp = drm_fixp_from_fraction(tu->delay_start_link, 1); in _dp_ctrl_calc_tu()
788 tu->delay_start_time_fp = drm_fixp_div(temp1_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
790 compare_result_1 = _tu_param_compare(tu->hbp_time_fp, in _dp_ctrl_calc_tu()
791 tu->delay_start_time_fp); in _dp_ctrl_calc_tu()
793 tu->min_hblank_violated = 1; in _dp_ctrl_calc_tu()
795 tu->hactive_time_fp = drm_fixp_div(tu->lwidth_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
797 compare_result_2 = _tu_param_compare(tu->hactive_time_fp, in _dp_ctrl_calc_tu()
798 tu->delay_start_time_fp); in _dp_ctrl_calc_tu()
800 tu->min_hblank_violated = 1; in _dp_ctrl_calc_tu()
802 tu->delay_start_time_fp = 0; in _dp_ctrl_calc_tu()
806 tu->delay_start_link_extra_pixclk = EXTRA_PIXCLK_CYCLE_DELAY; in _dp_ctrl_calc_tu()
807 tu->diff_abs_fp = tu->resulting_valid_fp - tu->ratio_by_tu_fp; in _dp_ctrl_calc_tu()
809 temp = drm_fixp2int(tu->diff_abs_fp); in _dp_ctrl_calc_tu()
810 if (!temp && tu->diff_abs_fp <= 0xffff) in _dp_ctrl_calc_tu()
811 tu->diff_abs_fp = 0; in _dp_ctrl_calc_tu()
814 if (tu->diff_abs_fp < 0) in _dp_ctrl_calc_tu()
815 tu->diff_abs_fp = drm_fixp_mul(tu->diff_abs_fp, -1); in _dp_ctrl_calc_tu()
817 tu->boundary_mod_lower_err = 0; in _dp_ctrl_calc_tu()
818 if ((tu->diff_abs_fp != 0 && in _dp_ctrl_calc_tu()
819 ((tu->diff_abs_fp > BRUTE_FORCE_THRESHOLD_fp) || in _dp_ctrl_calc_tu()
820 (tu->even_distribution_legacy == 0) || in _dp_ctrl_calc_tu()
822 (tu->min_hblank_violated == 1)) { in _dp_ctrl_calc_tu()
824 tu->err_fp = drm_fixp_from_fraction(1000, 1); in _dp_ctrl_calc_tu()
826 temp1_fp = drm_fixp_div(tu->lclk_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
828 tu->delay_start_link_extra_pixclk, 1); in _dp_ctrl_calc_tu()
832 tu->extra_buffer_margin = in _dp_ctrl_calc_tu()
835 tu->extra_buffer_margin = 0; in _dp_ctrl_calc_tu()
837 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
838 temp1_fp = drm_fixp_mul(tu->lwidth_fp, temp1_fp); in _dp_ctrl_calc_tu()
841 tu->n_symbols = drm_fixp2int_ceil(temp1_fp); in _dp_ctrl_calc_tu()
843 tu->n_symbols = 0; in _dp_ctrl_calc_tu()
845 for (tu->tu_size = 32; tu->tu_size <= 64; tu->tu_size++) { in _dp_ctrl_calc_tu()
846 for (tu->i_upper_boundary_count = 1; in _dp_ctrl_calc_tu()
847 tu->i_upper_boundary_count <= 15; in _dp_ctrl_calc_tu()
848 tu->i_upper_boundary_count++) { in _dp_ctrl_calc_tu()
849 for (tu->i_lower_boundary_count = 1; in _dp_ctrl_calc_tu()
850 tu->i_lower_boundary_count <= 15; in _dp_ctrl_calc_tu()
851 tu->i_lower_boundary_count++) { in _dp_ctrl_calc_tu()
852 _tu_valid_boundary_calc(tu); in _dp_ctrl_calc_tu()
856 tu->delay_start_link_extra_pixclk--; in _dp_ctrl_calc_tu()
857 } while (tu->boundary_moderation_en != true && in _dp_ctrl_calc_tu()
858 tu->boundary_mod_lower_err == 1 && in _dp_ctrl_calc_tu()
859 tu->delay_start_link_extra_pixclk != 0); in _dp_ctrl_calc_tu()
861 if (tu->boundary_moderation_en == true) { in _dp_ctrl_calc_tu()
863 (tu->upper_boundary_count * in _dp_ctrl_calc_tu()
864 tu->valid_boundary_link + in _dp_ctrl_calc_tu()
865 tu->lower_boundary_count * in _dp_ctrl_calc_tu()
866 (tu->valid_boundary_link - 1)), 1); in _dp_ctrl_calc_tu()
868 (tu->upper_boundary_count + in _dp_ctrl_calc_tu()
869 tu->lower_boundary_count), 1); in _dp_ctrl_calc_tu()
870 tu->resulting_valid_fp = in _dp_ctrl_calc_tu()
874 tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
875 tu->ratio_by_tu_fp = in _dp_ctrl_calc_tu()
876 drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
878 tu->valid_lower_boundary_link = in _dp_ctrl_calc_tu()
879 tu->valid_boundary_link - 1; in _dp_ctrl_calc_tu()
881 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
882 temp1_fp = drm_fixp_mul(tu->lwidth_fp, temp1_fp); in _dp_ctrl_calc_tu()
884 tu->resulting_valid_fp); in _dp_ctrl_calc_tu()
885 tu->n_tus = drm_fixp2int(temp2_fp); in _dp_ctrl_calc_tu()
887 tu->tu_size_minus1 = tu->tu_size_desired - 1; in _dp_ctrl_calc_tu()
888 tu->even_distribution_BF = 1; in _dp_ctrl_calc_tu()
891 drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
893 drm_fixp_div(tu->resulting_valid_fp, temp1_fp); in _dp_ctrl_calc_tu()
894 tu->TU_ratio_err_fp = temp2_fp - tu->original_ratio_fp; in _dp_ctrl_calc_tu()
898 temp2_fp = drm_fixp_mul(LCLK_FAST_SKEW_fp, tu->lwidth_fp); in _dp_ctrl_calc_tu()
905 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _dp_ctrl_calc_tu()
906 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
907 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
913 if (tu->async_en) in _dp_ctrl_calc_tu()
914 tu->delay_start_link += (int)temp; in _dp_ctrl_calc_tu()
916 temp1_fp = drm_fixp_from_fraction(tu->delay_start_link, 1); in _dp_ctrl_calc_tu()
917 tu->delay_start_time_fp = drm_fixp_div(temp1_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
920 tu_table->valid_boundary_link = tu->valid_boundary_link; in _dp_ctrl_calc_tu()
921 tu_table->delay_start_link = tu->delay_start_link; in _dp_ctrl_calc_tu()
922 tu_table->boundary_moderation_en = tu->boundary_moderation_en; in _dp_ctrl_calc_tu()
923 tu_table->valid_lower_boundary_link = tu->valid_lower_boundary_link; in _dp_ctrl_calc_tu()
924 tu_table->upper_boundary_count = tu->upper_boundary_count; in _dp_ctrl_calc_tu()
925 tu_table->lower_boundary_count = tu->lower_boundary_count; in _dp_ctrl_calc_tu()
926 tu_table->tu_size_minus1 = tu->tu_size_minus1; in _dp_ctrl_calc_tu()
943 kfree(tu); in _dp_ctrl_calc_tu()