Lines Matching refs:tu
586 struct tu_algo_data *tu) in msm_dp_panel_update_tu_timings() argument
604 tu->lclk_fp = drm_fixp_from_fraction(in->lclk, 1); in msm_dp_panel_update_tu_timings()
605 tu->pclk_fp = drm_fixp_from_fraction(in->pclk_khz, 1000); in msm_dp_panel_update_tu_timings()
606 tu->lwidth = in->hactive; in msm_dp_panel_update_tu_timings()
607 tu->hbp_relative_to_pclk = in->hporch; in msm_dp_panel_update_tu_timings()
608 tu->nlanes = in->nlanes; in msm_dp_panel_update_tu_timings()
609 tu->bpp = in->bpp; in msm_dp_panel_update_tu_timings()
610 tu->pixelEnc = in->pixel_enc; in msm_dp_panel_update_tu_timings()
611 tu->dsc_en = in->dsc_en; in msm_dp_panel_update_tu_timings()
612 tu->async_en = in->async_en; in msm_dp_panel_update_tu_timings()
613 tu->lwidth_fp = drm_fixp_from_fraction(in->hactive, 1); in msm_dp_panel_update_tu_timings()
614 tu->hbp_relative_to_pclk_fp = drm_fixp_from_fraction(in->hporch, 1); in msm_dp_panel_update_tu_timings()
616 if (tu->pixelEnc == 420) { in msm_dp_panel_update_tu_timings()
618 tu->pclk_fp = drm_fixp_div(tu->pclk_fp, temp1_fp); in msm_dp_panel_update_tu_timings()
619 tu->lwidth_fp = drm_fixp_div(tu->lwidth_fp, temp1_fp); in msm_dp_panel_update_tu_timings()
620 tu->hbp_relative_to_pclk_fp = in msm_dp_panel_update_tu_timings()
621 drm_fixp_div(tu->hbp_relative_to_pclk_fp, 2); in msm_dp_panel_update_tu_timings()
624 if (tu->pixelEnc == 422) { in msm_dp_panel_update_tu_timings()
625 switch (tu->bpp) { in msm_dp_panel_update_tu_timings()
627 tu->bpp = 16; in msm_dp_panel_update_tu_timings()
628 tu->bpc = 8; in msm_dp_panel_update_tu_timings()
631 tu->bpp = 20; in msm_dp_panel_update_tu_timings()
632 tu->bpc = 10; in msm_dp_panel_update_tu_timings()
635 tu->bpp = 16; in msm_dp_panel_update_tu_timings()
636 tu->bpc = 8; in msm_dp_panel_update_tu_timings()
640 tu->bpc = tu->bpp/3; in msm_dp_panel_update_tu_timings()
649 temp2_fp = drm_fixp_mul(tu->lwidth_fp, temp3_fp); in msm_dp_panel_update_tu_timings()
671 temp2_fp = drm_fixp_mul(tu->pclk_fp, dwidth_dsc_fp); in msm_dp_panel_update_tu_timings()
672 temp1_fp = drm_fixp_div(temp2_fp, tu->lwidth_fp); in msm_dp_panel_update_tu_timings()
675 temp1_fp = drm_fixp_div(pclk_dsc_fp, tu->pclk_fp); in msm_dp_panel_update_tu_timings()
676 temp2_fp = drm_fixp_mul(tu->hbp_relative_to_pclk_fp, temp1_fp); in msm_dp_panel_update_tu_timings()
680 tu->pclk_fp = pclk_dsc_fp; in msm_dp_panel_update_tu_timings()
681 tu->lwidth_fp = dwidth_dsc_fp; in msm_dp_panel_update_tu_timings()
682 tu->hbp_relative_to_pclk_fp = hbp_dsc_fp; in msm_dp_panel_update_tu_timings()
687 tu->lclk_fp = drm_fixp_mul(tu->lclk_fp, temp1_fp); in msm_dp_panel_update_tu_timings()
691 static void _tu_valid_boundary_calc(struct tu_algo_data *tu) in _tu_valid_boundary_calc() argument
696 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
697 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
699 tu->new_valid_boundary_link = drm_fixp2int_ceil(temp2_fp); in _tu_valid_boundary_calc()
701 temp = (tu->i_upper_boundary_count * in _tu_valid_boundary_calc()
702 tu->new_valid_boundary_link + in _tu_valid_boundary_calc()
703 tu->i_lower_boundary_count * in _tu_valid_boundary_calc()
704 (tu->new_valid_boundary_link-1)); in _tu_valid_boundary_calc()
705 tu->average_valid2_fp = drm_fixp_from_fraction(temp, in _tu_valid_boundary_calc()
706 (tu->i_upper_boundary_count + in _tu_valid_boundary_calc()
707 tu->i_lower_boundary_count)); in _tu_valid_boundary_calc()
709 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _tu_valid_boundary_calc()
710 temp2_fp = tu->lwidth_fp; in _tu_valid_boundary_calc()
712 temp2_fp = drm_fixp_div(temp1_fp, tu->average_valid2_fp); in _tu_valid_boundary_calc()
713 tu->n_tus = drm_fixp2int(temp2_fp); in _tu_valid_boundary_calc()
715 tu->n_tus += 1; in _tu_valid_boundary_calc()
717 temp1_fp = drm_fixp_from_fraction(tu->n_tus, 1); in _tu_valid_boundary_calc()
718 temp2_fp = drm_fixp_mul(temp1_fp, tu->average_valid2_fp); in _tu_valid_boundary_calc()
719 temp1_fp = drm_fixp_from_fraction(tu->n_symbols, 1); in _tu_valid_boundary_calc()
721 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _tu_valid_boundary_calc()
723 tu->n_remainder_symbols_per_lane_fp = temp2_fp; in _tu_valid_boundary_calc()
725 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
726 tu->last_partial_tu_fp = in _tu_valid_boundary_calc()
727 drm_fixp_div(tu->n_remainder_symbols_per_lane_fp, in _tu_valid_boundary_calc()
730 if (tu->n_remainder_symbols_per_lane_fp != 0) in _tu_valid_boundary_calc()
731 tu->remainder_symbols_exist = 1; in _tu_valid_boundary_calc()
733 tu->remainder_symbols_exist = 0; in _tu_valid_boundary_calc()
735 temp1_fp = drm_fixp_from_fraction(tu->n_tus, tu->nlanes); in _tu_valid_boundary_calc()
736 tu->n_tus_per_lane = drm_fixp2int(temp1_fp); in _tu_valid_boundary_calc()
738 tu->paired_tus = (int)((tu->n_tus_per_lane) / in _tu_valid_boundary_calc()
739 (tu->i_upper_boundary_count + in _tu_valid_boundary_calc()
740 tu->i_lower_boundary_count)); in _tu_valid_boundary_calc()
742 tu->remainder_tus = tu->n_tus_per_lane - tu->paired_tus * in _tu_valid_boundary_calc()
743 (tu->i_upper_boundary_count + in _tu_valid_boundary_calc()
744 tu->i_lower_boundary_count); in _tu_valid_boundary_calc()
746 if ((tu->remainder_tus - tu->i_upper_boundary_count) > 0) { in _tu_valid_boundary_calc()
747 tu->remainder_tus_upper = tu->i_upper_boundary_count; in _tu_valid_boundary_calc()
748 tu->remainder_tus_lower = tu->remainder_tus - in _tu_valid_boundary_calc()
749 tu->i_upper_boundary_count; in _tu_valid_boundary_calc()
751 tu->remainder_tus_upper = tu->remainder_tus; in _tu_valid_boundary_calc()
752 tu->remainder_tus_lower = 0; in _tu_valid_boundary_calc()
755 temp = tu->paired_tus * (tu->i_upper_boundary_count * in _tu_valid_boundary_calc()
756 tu->new_valid_boundary_link + in _tu_valid_boundary_calc()
757 tu->i_lower_boundary_count * in _tu_valid_boundary_calc()
758 (tu->new_valid_boundary_link - 1)) + in _tu_valid_boundary_calc()
759 (tu->remainder_tus_upper * in _tu_valid_boundary_calc()
760 tu->new_valid_boundary_link) + in _tu_valid_boundary_calc()
761 (tu->remainder_tus_lower * in _tu_valid_boundary_calc()
762 (tu->new_valid_boundary_link - 1)); in _tu_valid_boundary_calc()
763 tu->total_valid_fp = drm_fixp_from_fraction(temp, 1); in _tu_valid_boundary_calc()
765 if (tu->remainder_symbols_exist) { in _tu_valid_boundary_calc()
766 temp1_fp = tu->total_valid_fp + in _tu_valid_boundary_calc()
767 tu->n_remainder_symbols_per_lane_fp; in _tu_valid_boundary_calc()
768 temp2_fp = drm_fixp_from_fraction(tu->n_tus_per_lane, 1); in _tu_valid_boundary_calc()
769 temp2_fp = temp2_fp + tu->last_partial_tu_fp; in _tu_valid_boundary_calc()
772 temp2_fp = drm_fixp_from_fraction(tu->n_tus_per_lane, 1); in _tu_valid_boundary_calc()
773 temp1_fp = drm_fixp_div(tu->total_valid_fp, temp2_fp); in _tu_valid_boundary_calc()
775 tu->effective_valid_fp = temp1_fp; in _tu_valid_boundary_calc()
777 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
778 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
779 tu->n_n_err_fp = tu->effective_valid_fp - temp2_fp; in _tu_valid_boundary_calc()
781 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
782 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
783 tu->n_err_fp = tu->average_valid2_fp - temp2_fp; in _tu_valid_boundary_calc()
785 tu->even_distribution = tu->n_tus % tu->nlanes == 0 ? 1 : 0; in _tu_valid_boundary_calc()
787 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _tu_valid_boundary_calc()
788 temp2_fp = tu->lwidth_fp; in _tu_valid_boundary_calc()
790 temp2_fp = drm_fixp_div(temp1_fp, tu->average_valid2_fp); in _tu_valid_boundary_calc()
793 tu->n_tus_incl_last_incomplete_tu = drm_fixp2int_ceil(temp2_fp); in _tu_valid_boundary_calc()
795 tu->n_tus_incl_last_incomplete_tu = 0; in _tu_valid_boundary_calc()
798 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
799 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
800 temp1_fp = tu->average_valid2_fp - temp2_fp; in _tu_valid_boundary_calc()
801 temp2_fp = drm_fixp_from_fraction(tu->n_tus_incl_last_incomplete_tu, 1); in _tu_valid_boundary_calc()
807 temp = tu->i_upper_boundary_count * tu->nlanes; in _tu_valid_boundary_calc()
808 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _tu_valid_boundary_calc()
809 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _tu_valid_boundary_calc()
810 temp1_fp = drm_fixp_from_fraction(tu->new_valid_boundary_link, 1); in _tu_valid_boundary_calc()
819 tu->extra_required_bytes_new_tmp = (int)(temp1 + temp2); in _tu_valid_boundary_calc()
821 temp1_fp = drm_fixp_from_fraction(8, tu->bpp); in _tu_valid_boundary_calc()
823 tu->extra_required_bytes_new_tmp, 1); in _tu_valid_boundary_calc()
827 tu->extra_pclk_cycles_tmp = drm_fixp2int_ceil(temp1_fp); in _tu_valid_boundary_calc()
829 tu->extra_pclk_cycles_tmp = 0; in _tu_valid_boundary_calc()
831 temp1_fp = drm_fixp_from_fraction(tu->extra_pclk_cycles_tmp, 1); in _tu_valid_boundary_calc()
832 temp2_fp = drm_fixp_div(tu->lclk_fp, tu->pclk_fp); in _tu_valid_boundary_calc()
836 tu->extra_pclk_cycles_in_link_clk_tmp = in _tu_valid_boundary_calc()
839 tu->extra_pclk_cycles_in_link_clk_tmp = 0; in _tu_valid_boundary_calc()
841 tu->filler_size_tmp = tu->tu_size - tu->new_valid_boundary_link; in _tu_valid_boundary_calc()
843 tu->lower_filler_size_tmp = tu->filler_size_tmp + 1; in _tu_valid_boundary_calc()
845 tu->delay_start_link_tmp = tu->extra_pclk_cycles_in_link_clk_tmp + in _tu_valid_boundary_calc()
846 tu->lower_filler_size_tmp + in _tu_valid_boundary_calc()
847 tu->extra_buffer_margin; in _tu_valid_boundary_calc()
849 temp1_fp = drm_fixp_from_fraction(tu->delay_start_link_tmp, 1); in _tu_valid_boundary_calc()
850 tu->delay_start_time_fp = drm_fixp_div(temp1_fp, tu->lclk_fp); in _tu_valid_boundary_calc()
852 compare_result_1 = _tu_param_compare(tu->n_n_err_fp, tu->diff_abs_fp); in _tu_valid_boundary_calc()
858 compare_result_2 = _tu_param_compare(tu->n_n_err_fp, tu->err_fp); in _tu_valid_boundary_calc()
864 compare_result_3 = _tu_param_compare(tu->hbp_time_fp, in _tu_valid_boundary_calc()
865 tu->delay_start_time_fp); in _tu_valid_boundary_calc()
871 if (((tu->even_distribution == 1) || in _tu_valid_boundary_calc()
872 ((tu->even_distribution_BF == 0) && in _tu_valid_boundary_calc()
873 (tu->even_distribution_legacy == 0))) && in _tu_valid_boundary_calc()
874 tu->n_err_fp >= 0 && tu->n_n_err_fp >= 0 && in _tu_valid_boundary_calc()
876 (compare_result_1 || (tu->min_hblank_violated == 1)) && in _tu_valid_boundary_calc()
877 (tu->new_valid_boundary_link - 1) > 0 && in _tu_valid_boundary_calc()
879 (tu->delay_start_link_tmp <= 1023)) { in _tu_valid_boundary_calc()
880 tu->upper_boundary_count = tu->i_upper_boundary_count; in _tu_valid_boundary_calc()
881 tu->lower_boundary_count = tu->i_lower_boundary_count; in _tu_valid_boundary_calc()
882 tu->err_fp = tu->n_n_err_fp; in _tu_valid_boundary_calc()
883 tu->boundary_moderation_en = true; in _tu_valid_boundary_calc()
884 tu->tu_size_desired = tu->tu_size; in _tu_valid_boundary_calc()
885 tu->valid_boundary_link = tu->new_valid_boundary_link; in _tu_valid_boundary_calc()
886 tu->effective_valid_recorded_fp = tu->effective_valid_fp; in _tu_valid_boundary_calc()
887 tu->even_distribution_BF = 1; in _tu_valid_boundary_calc()
888 tu->delay_start_link = tu->delay_start_link_tmp; in _tu_valid_boundary_calc()
889 } else if (tu->boundary_mod_lower_err == 0) { in _tu_valid_boundary_calc()
890 compare_result_1 = _tu_param_compare(tu->n_n_err_fp, in _tu_valid_boundary_calc()
891 tu->diff_abs_fp); in _tu_valid_boundary_calc()
893 tu->boundary_mod_lower_err = 1; in _tu_valid_boundary_calc()
901 struct tu_algo_data *tu; in _dp_ctrl_calc_tu() local
916 tu = kzalloc(sizeof(*tu), GFP_KERNEL); in _dp_ctrl_calc_tu()
917 if (!tu) in _dp_ctrl_calc_tu()
920 msm_dp_panel_update_tu_timings(in, tu); in _dp_ctrl_calc_tu()
922 tu->err_fp = drm_fixp_from_fraction(1000, 1); /* 1000 */ in _dp_ctrl_calc_tu()
925 temp2_fp = drm_fixp_mul(temp1_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
926 temp_fp = drm_fixp_div(temp2_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
927 tu->extra_buffer_margin = drm_fixp2int_ceil(temp_fp); in _dp_ctrl_calc_tu()
929 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
930 temp2_fp = drm_fixp_mul(tu->pclk_fp, temp1_fp); in _dp_ctrl_calc_tu()
931 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _dp_ctrl_calc_tu()
933 tu->ratio_fp = drm_fixp_div(temp2_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
935 tu->original_ratio_fp = tu->ratio_fp; in _dp_ctrl_calc_tu()
936 tu->boundary_moderation_en = false; in _dp_ctrl_calc_tu()
937 tu->upper_boundary_count = 0; in _dp_ctrl_calc_tu()
938 tu->lower_boundary_count = 0; in _dp_ctrl_calc_tu()
939 tu->i_upper_boundary_count = 0; in _dp_ctrl_calc_tu()
940 tu->i_lower_boundary_count = 0; in _dp_ctrl_calc_tu()
941 tu->valid_lower_boundary_link = 0; in _dp_ctrl_calc_tu()
942 tu->even_distribution_BF = 0; in _dp_ctrl_calc_tu()
943 tu->even_distribution_legacy = 0; in _dp_ctrl_calc_tu()
944 tu->even_distribution = 0; in _dp_ctrl_calc_tu()
945 tu->delay_start_time_fp = 0; in _dp_ctrl_calc_tu()
947 tu->err_fp = drm_fixp_from_fraction(1000, 1); in _dp_ctrl_calc_tu()
948 tu->n_err_fp = 0; in _dp_ctrl_calc_tu()
949 tu->n_n_err_fp = 0; in _dp_ctrl_calc_tu()
951 tu->ratio = drm_fixp2int(tu->ratio_fp); in _dp_ctrl_calc_tu()
952 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _dp_ctrl_calc_tu()
953 div64_u64_rem(tu->lwidth_fp, temp1_fp, &temp2_fp); in _dp_ctrl_calc_tu()
955 !tu->ratio && tu->dsc_en == 0) { in _dp_ctrl_calc_tu()
956 tu->ratio_fp = drm_fixp_mul(tu->ratio_fp, RATIO_SCALE_fp); in _dp_ctrl_calc_tu()
957 tu->ratio = drm_fixp2int(tu->ratio_fp); in _dp_ctrl_calc_tu()
958 if (tu->ratio) in _dp_ctrl_calc_tu()
959 tu->ratio_fp = drm_fixp_from_fraction(1, 1); in _dp_ctrl_calc_tu()
962 if (tu->ratio > 1) in _dp_ctrl_calc_tu()
963 tu->ratio = 1; in _dp_ctrl_calc_tu()
965 if (tu->ratio == 1) in _dp_ctrl_calc_tu()
968 compare_result_1 = _tu_param_compare(tu->ratio_fp, const_p49_fp); in _dp_ctrl_calc_tu()
974 compare_result_2 = _tu_param_compare(tu->ratio_fp, const_p56_fp); in _dp_ctrl_calc_tu()
980 if (tu->dsc_en && compare_result_1 && compare_result_2) { in _dp_ctrl_calc_tu()
987 for (tu->tu_size = 32; tu->tu_size <= 64; tu->tu_size++) { in _dp_ctrl_calc_tu()
988 temp1_fp = drm_fixp_from_fraction(tu->tu_size, 1); in _dp_ctrl_calc_tu()
989 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
992 tu->n_err_fp = temp1_fp - temp2_fp; in _dp_ctrl_calc_tu()
994 if (tu->n_err_fp < tu->err_fp) { in _dp_ctrl_calc_tu()
995 tu->err_fp = tu->n_err_fp; in _dp_ctrl_calc_tu()
996 tu->tu_size_desired = tu->tu_size; in _dp_ctrl_calc_tu()
1000 tu->tu_size_minus1 = tu->tu_size_desired - 1; in _dp_ctrl_calc_tu()
1002 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
1003 temp2_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
1004 tu->valid_boundary_link = drm_fixp2int_ceil(temp2_fp); in _dp_ctrl_calc_tu()
1006 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
1007 temp2_fp = tu->lwidth_fp; in _dp_ctrl_calc_tu()
1010 temp1_fp = drm_fixp_from_fraction(tu->valid_boundary_link, 1); in _dp_ctrl_calc_tu()
1012 tu->n_tus = drm_fixp2int(temp2_fp); in _dp_ctrl_calc_tu()
1014 tu->n_tus += 1; in _dp_ctrl_calc_tu()
1016 tu->even_distribution_legacy = tu->n_tus % tu->nlanes == 0 ? 1 : 0; in _dp_ctrl_calc_tu()
1020 tu->valid_boundary_link, tu->n_tus); in _dp_ctrl_calc_tu()
1022 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
1023 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
1024 temp1_fp = drm_fixp_from_fraction(tu->valid_boundary_link, 1); in _dp_ctrl_calc_tu()
1026 temp1_fp = drm_fixp_from_fraction(tu->n_tus + 1, 1); in _dp_ctrl_calc_tu()
1031 tu->extra_bytes = drm_fixp2int_ceil(temp2_fp); in _dp_ctrl_calc_tu()
1033 tu->extra_bytes = 0; in _dp_ctrl_calc_tu()
1035 temp1_fp = drm_fixp_from_fraction(tu->extra_bytes, 1); in _dp_ctrl_calc_tu()
1036 temp2_fp = drm_fixp_from_fraction(8, tu->bpp); in _dp_ctrl_calc_tu()
1040 tu->extra_pclk_cycles = drm_fixp2int_ceil(temp1_fp); in _dp_ctrl_calc_tu()
1042 tu->extra_pclk_cycles = drm_fixp2int(temp1_fp); in _dp_ctrl_calc_tu()
1044 temp1_fp = drm_fixp_div(tu->lclk_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
1045 temp2_fp = drm_fixp_from_fraction(tu->extra_pclk_cycles, 1); in _dp_ctrl_calc_tu()
1049 tu->extra_pclk_cycles_in_link_clk = drm_fixp2int_ceil(temp1_fp); in _dp_ctrl_calc_tu()
1051 tu->extra_pclk_cycles_in_link_clk = drm_fixp2int(temp1_fp); in _dp_ctrl_calc_tu()
1053 tu->filler_size = tu->tu_size_desired - tu->valid_boundary_link; in _dp_ctrl_calc_tu()
1055 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
1056 tu->ratio_by_tu_fp = drm_fixp_mul(tu->ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
1058 tu->delay_start_link = tu->extra_pclk_cycles_in_link_clk + in _dp_ctrl_calc_tu()
1059 tu->filler_size + tu->extra_buffer_margin; in _dp_ctrl_calc_tu()
1061 tu->resulting_valid_fp = in _dp_ctrl_calc_tu()
1062 drm_fixp_from_fraction(tu->valid_boundary_link, 1); in _dp_ctrl_calc_tu()
1064 temp1_fp = drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
1065 temp2_fp = drm_fixp_div(tu->resulting_valid_fp, temp1_fp); in _dp_ctrl_calc_tu()
1066 tu->TU_ratio_err_fp = temp2_fp - tu->original_ratio_fp; in _dp_ctrl_calc_tu()
1069 temp1_fp = tu->hbp_relative_to_pclk_fp - temp1_fp; in _dp_ctrl_calc_tu()
1070 tu->hbp_time_fp = drm_fixp_div(temp1_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
1072 temp1_fp = drm_fixp_from_fraction(tu->delay_start_link, 1); in _dp_ctrl_calc_tu()
1073 tu->delay_start_time_fp = drm_fixp_div(temp1_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
1075 compare_result_1 = _tu_param_compare(tu->hbp_time_fp, in _dp_ctrl_calc_tu()
1076 tu->delay_start_time_fp); in _dp_ctrl_calc_tu()
1078 tu->min_hblank_violated = 1; in _dp_ctrl_calc_tu()
1080 tu->hactive_time_fp = drm_fixp_div(tu->lwidth_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
1082 compare_result_2 = _tu_param_compare(tu->hactive_time_fp, in _dp_ctrl_calc_tu()
1083 tu->delay_start_time_fp); in _dp_ctrl_calc_tu()
1085 tu->min_hblank_violated = 1; in _dp_ctrl_calc_tu()
1087 tu->delay_start_time_fp = 0; in _dp_ctrl_calc_tu()
1091 tu->delay_start_link_extra_pixclk = EXTRA_PIXCLK_CYCLE_DELAY; in _dp_ctrl_calc_tu()
1092 tu->diff_abs_fp = tu->resulting_valid_fp - tu->ratio_by_tu_fp; in _dp_ctrl_calc_tu()
1094 temp = drm_fixp2int(tu->diff_abs_fp); in _dp_ctrl_calc_tu()
1095 if (!temp && tu->diff_abs_fp <= 0xffff) in _dp_ctrl_calc_tu()
1096 tu->diff_abs_fp = 0; in _dp_ctrl_calc_tu()
1099 if (tu->diff_abs_fp < 0) in _dp_ctrl_calc_tu()
1100 tu->diff_abs_fp = drm_fixp_mul(tu->diff_abs_fp, -1); in _dp_ctrl_calc_tu()
1102 tu->boundary_mod_lower_err = 0; in _dp_ctrl_calc_tu()
1103 if ((tu->diff_abs_fp != 0 && in _dp_ctrl_calc_tu()
1104 ((tu->diff_abs_fp > BRUTE_FORCE_THRESHOLD_fp) || in _dp_ctrl_calc_tu()
1105 (tu->even_distribution_legacy == 0) || in _dp_ctrl_calc_tu()
1107 (tu->min_hblank_violated == 1)) { in _dp_ctrl_calc_tu()
1109 tu->err_fp = drm_fixp_from_fraction(1000, 1); in _dp_ctrl_calc_tu()
1111 temp1_fp = drm_fixp_div(tu->lclk_fp, tu->pclk_fp); in _dp_ctrl_calc_tu()
1113 tu->delay_start_link_extra_pixclk, 1); in _dp_ctrl_calc_tu()
1117 tu->extra_buffer_margin = in _dp_ctrl_calc_tu()
1120 tu->extra_buffer_margin = 0; in _dp_ctrl_calc_tu()
1122 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
1123 temp1_fp = drm_fixp_mul(tu->lwidth_fp, temp1_fp); in _dp_ctrl_calc_tu()
1126 tu->n_symbols = drm_fixp2int_ceil(temp1_fp); in _dp_ctrl_calc_tu()
1128 tu->n_symbols = 0; in _dp_ctrl_calc_tu()
1130 for (tu->tu_size = 32; tu->tu_size <= 64; tu->tu_size++) { in _dp_ctrl_calc_tu()
1131 for (tu->i_upper_boundary_count = 1; in _dp_ctrl_calc_tu()
1132 tu->i_upper_boundary_count <= 15; in _dp_ctrl_calc_tu()
1133 tu->i_upper_boundary_count++) { in _dp_ctrl_calc_tu()
1134 for (tu->i_lower_boundary_count = 1; in _dp_ctrl_calc_tu()
1135 tu->i_lower_boundary_count <= 15; in _dp_ctrl_calc_tu()
1136 tu->i_lower_boundary_count++) { in _dp_ctrl_calc_tu()
1137 _tu_valid_boundary_calc(tu); in _dp_ctrl_calc_tu()
1141 tu->delay_start_link_extra_pixclk--; in _dp_ctrl_calc_tu()
1142 } while (tu->boundary_moderation_en != true && in _dp_ctrl_calc_tu()
1143 tu->boundary_mod_lower_err == 1 && in _dp_ctrl_calc_tu()
1144 tu->delay_start_link_extra_pixclk != 0); in _dp_ctrl_calc_tu()
1146 if (tu->boundary_moderation_en == true) { in _dp_ctrl_calc_tu()
1148 (tu->upper_boundary_count * in _dp_ctrl_calc_tu()
1149 tu->valid_boundary_link + in _dp_ctrl_calc_tu()
1150 tu->lower_boundary_count * in _dp_ctrl_calc_tu()
1151 (tu->valid_boundary_link - 1)), 1); in _dp_ctrl_calc_tu()
1153 (tu->upper_boundary_count + in _dp_ctrl_calc_tu()
1154 tu->lower_boundary_count), 1); in _dp_ctrl_calc_tu()
1155 tu->resulting_valid_fp = in _dp_ctrl_calc_tu()
1159 tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
1160 tu->ratio_by_tu_fp = in _dp_ctrl_calc_tu()
1161 drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
1163 tu->valid_lower_boundary_link = in _dp_ctrl_calc_tu()
1164 tu->valid_boundary_link - 1; in _dp_ctrl_calc_tu()
1166 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
1167 temp1_fp = drm_fixp_mul(tu->lwidth_fp, temp1_fp); in _dp_ctrl_calc_tu()
1169 tu->resulting_valid_fp); in _dp_ctrl_calc_tu()
1170 tu->n_tus = drm_fixp2int(temp2_fp); in _dp_ctrl_calc_tu()
1172 tu->tu_size_minus1 = tu->tu_size_desired - 1; in _dp_ctrl_calc_tu()
1173 tu->even_distribution_BF = 1; in _dp_ctrl_calc_tu()
1176 drm_fixp_from_fraction(tu->tu_size_desired, 1); in _dp_ctrl_calc_tu()
1178 drm_fixp_div(tu->resulting_valid_fp, temp1_fp); in _dp_ctrl_calc_tu()
1179 tu->TU_ratio_err_fp = temp2_fp - tu->original_ratio_fp; in _dp_ctrl_calc_tu()
1183 temp2_fp = drm_fixp_mul(LCLK_FAST_SKEW_fp, tu->lwidth_fp); in _dp_ctrl_calc_tu()
1190 temp1_fp = drm_fixp_from_fraction(tu->nlanes, 1); in _dp_ctrl_calc_tu()
1191 temp2_fp = drm_fixp_mul(tu->original_ratio_fp, temp1_fp); in _dp_ctrl_calc_tu()
1192 temp1_fp = drm_fixp_from_fraction(tu->bpp, 8); in _dp_ctrl_calc_tu()
1198 if (tu->async_en) in _dp_ctrl_calc_tu()
1199 tu->delay_start_link += (int)temp; in _dp_ctrl_calc_tu()
1201 temp1_fp = drm_fixp_from_fraction(tu->delay_start_link, 1); in _dp_ctrl_calc_tu()
1202 tu->delay_start_time_fp = drm_fixp_div(temp1_fp, tu->lclk_fp); in _dp_ctrl_calc_tu()
1205 tu_table->valid_boundary_link = tu->valid_boundary_link; in _dp_ctrl_calc_tu()
1206 tu_table->delay_start_link = tu->delay_start_link; in _dp_ctrl_calc_tu()
1207 tu_table->boundary_moderation_en = tu->boundary_moderation_en; in _dp_ctrl_calc_tu()
1208 tu_table->valid_lower_boundary_link = tu->valid_lower_boundary_link; in _dp_ctrl_calc_tu()
1209 tu_table->upper_boundary_count = tu->upper_boundary_count; in _dp_ctrl_calc_tu()
1210 tu_table->lower_boundary_count = tu->lower_boundary_count; in _dp_ctrl_calc_tu()
1211 tu_table->tu_size_minus1 = tu->tu_size_minus1; in _dp_ctrl_calc_tu()
1228 kfree(tu); in _dp_ctrl_calc_tu()