root/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
// SPDX-License-Identifier: MIT
/*
 * Copyright 2022 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */
#include "dcn32_fpu.h"
#include "dcn32/dcn32_resource.h"
#include "dcn20/dcn20_resource.h"
#include "display_mode_vba_util_32.h"
#include "dml/dcn32/display_mode_vba_32.h"
// We need this includes for WATERMARKS_* defines
#include "clk_mgr/dcn32/dcn32_smu13_driver_if.h"
#include "dcn30/dcn30_resource.h"
#include "link_service.h"
#include "dc_state_priv.h"

#define DC_LOGGER_INIT(logger)

static const struct subvp_high_refresh_list subvp_high_refresh_list = {
                        .min_refresh = 120,
                        .max_refresh = 175,
                        .res = {
                                {.width = 3840, .height = 2160, },
                                {.width = 3440, .height = 1440, },
                                {.width = 2560, .height = 1440, },
                                {.width = 1920, .height = 1080, }},
};

static const struct subvp_active_margin_list subvp_active_margin_list = {
                        .min_refresh = 55,
                        .max_refresh = 65,
                        .res = {
                                {.width = 2560, .height = 1440, },
                                {.width = 1920, .height = 1080, }},
};

struct _vcs_dpi_ip_params_st dcn3_2_ip = {
        .gpuvm_enable = 0,
        .gpuvm_max_page_table_levels = 4,
        .hostvm_enable = 0,
        .rob_buffer_size_kbytes = 128,
        .det_buffer_size_kbytes = DCN3_2_DEFAULT_DET_SIZE,
        .config_return_buffer_size_in_kbytes = 1280,
        .compressed_buffer_segment_size_in_kbytes = 64,
        .meta_fifo_size_in_kentries = 22,
        .zero_size_buffer_entries = 512,
        .compbuf_reserved_space_64b = 256,
        .compbuf_reserved_space_zs = 64,
        .dpp_output_buffer_pixels = 2560,
        .opp_output_buffer_lines = 1,
        .pixel_chunk_size_kbytes = 8,
        .alpha_pixel_chunk_size_kbytes = 4,
        .min_pixel_chunk_size_bytes = 1024,
        .dcc_meta_buffer_size_bytes = 6272,
        .meta_chunk_size_kbytes = 2,
        .min_meta_chunk_size_bytes = 256,
        .writeback_chunk_size_kbytes = 8,
        .ptoi_supported = false,
        .num_dsc = 4,
        .maximum_dsc_bits_per_component = 12,
        .maximum_pixels_per_line_per_dsc_unit = 6016,
        .dsc422_native_support = true,
        .is_line_buffer_bpp_fixed = true,
        .line_buffer_fixed_bpp = 57,
        .line_buffer_size_bits = 1171920,
        .max_line_buffer_lines = 32,
        .writeback_interface_buffer_size_kbytes = 90,
        .max_num_dpp = 4,
        .max_num_otg = 4,
        .max_num_hdmi_frl_outputs = 1,
        .max_num_wb = 1,
        .max_dchub_pscl_bw_pix_per_clk = 4,
        .max_pscl_lb_bw_pix_per_clk = 2,
        .max_lb_vscl_bw_pix_per_clk = 4,
        .max_vscl_hscl_bw_pix_per_clk = 4,
        .max_hscl_ratio = 6,
        .max_vscl_ratio = 6,
        .max_hscl_taps = 8,
        .max_vscl_taps = 8,
        .dpte_buffer_size_in_pte_reqs_luma = 64,
        .dpte_buffer_size_in_pte_reqs_chroma = 34,
        .dispclk_ramp_margin_percent = 1,
        .max_inter_dcn_tile_repeaters = 8,
        .cursor_buffer_size = 16,
        .cursor_chunk_size = 2,
        .writeback_line_buffer_buffer_size = 0,
        .writeback_min_hscl_ratio = 1,
        .writeback_min_vscl_ratio = 1,
        .writeback_max_hscl_ratio = 1,
        .writeback_max_vscl_ratio = 1,
        .writeback_max_hscl_taps = 1,
        .writeback_max_vscl_taps = 1,
        .dppclk_delay_subtotal = 47,
        .dppclk_delay_scl = 50,
        .dppclk_delay_scl_lb_only = 16,
        .dppclk_delay_cnvc_formatter = 28,
        .dppclk_delay_cnvc_cursor = 6,
        .dispclk_delay_subtotal = 125,
        .dynamic_metadata_vm_enabled = false,
        .odm_combine_4to1_supported = false,
        .dcc_supported = true,
        .max_num_dp2p0_outputs = 2,
        .max_num_dp2p0_streams = 4,
};

struct _vcs_dpi_soc_bounding_box_st dcn3_2_soc = {
        .clock_limits = {
                {
                        .state = 0,
                        .dcfclk_mhz = 1564.0,
                        .fabricclk_mhz = 2500.0,
                        .dispclk_mhz = 2150.0,
                        .dppclk_mhz = 2150.0,
                        .phyclk_mhz = 810.0,
                        .phyclk_d18_mhz = 667.0,
                        .phyclk_d32_mhz = 625.0,
                        .socclk_mhz = 1200.0,
                        .dscclk_mhz = 716.667,
                        .dram_speed_mts = 18000.0,
                        .dtbclk_mhz = 1564.0,
                },
        },
        .num_states = 1,
        .sr_exit_time_us = 42.97,
        .sr_enter_plus_exit_time_us = 49.94,
        .sr_exit_z8_time_us = 285.0,
        .sr_enter_plus_exit_z8_time_us = 320,
        .writeback_latency_us = 12.0,
        .round_trip_ping_latency_dcfclk_cycles = 263,
        .urgent_latency_pixel_data_only_us = 4.0,
        .urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
        .urgent_latency_vm_data_only_us = 4.0,
        .fclk_change_latency_us = 25,
        .usr_retraining_latency_us = 2,
        .smn_latency_us = 2,
        .mall_allocated_for_dcn_mbytes = 64,
        .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
        .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
        .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
        .pct_ideal_sdp_bw_after_urgent = 90.0,
        .pct_ideal_fabric_bw_after_urgent = 67.0,
        .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0,
        .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0,
        .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0,
        .pct_ideal_dram_bw_after_urgent_strobe = 67.0,
        .max_avg_sdp_bw_use_normal_percent = 80.0,
        .max_avg_fabric_bw_use_normal_percent = 60.0,
        .max_avg_dram_bw_use_normal_strobe_percent = 50.0,
        .max_avg_dram_bw_use_normal_percent = 15.0,
        .num_chans = 24,
        .dram_channel_width_bytes = 2,
        .fabric_datapath_to_dcn_data_return_bytes = 64,
        .return_bus_width_bytes = 64,
        .downspread_percent = 0.38,
        .dcn_downspread_percent = 0.5,
        .dram_clock_change_latency_us = 400,
        .dispclk_dppclk_vco_speed_mhz = 4300.0,
        .do_urgent_latency_adjustment = true,
        .urgent_latency_adjustment_fabric_clock_component_us = 1.0,
        .urgent_latency_adjustment_fabric_clock_reference_mhz = 3000,
};

static bool dcn32_apply_merge_split_flags_helper(struct dc *dc, struct dc_state *context,
        bool *repopulate_pipes, int *split, bool *merge);

void dcn32_build_wm_range_table_fpu(struct clk_mgr_internal *clk_mgr)
{
        /* defaults */
        double pstate_latency_us = clk_mgr->base.ctx->dc->dml.soc.dram_clock_change_latency_us;
        double fclk_change_latency_us = clk_mgr->base.ctx->dc->dml.soc.fclk_change_latency_us;
        double sr_exit_time_us = clk_mgr->base.ctx->dc->dml.soc.sr_exit_time_us;
        double sr_enter_plus_exit_time_us = clk_mgr->base.ctx->dc->dml.soc.sr_enter_plus_exit_time_us;
        /* For min clocks use as reported by PM FW and report those as min */
        uint16_t min_uclk_mhz                   = clk_mgr->base.bw_params->clk_table.entries[0].memclk_mhz;
        uint16_t min_dcfclk_mhz                 = clk_mgr->base.bw_params->clk_table.entries[0].dcfclk_mhz;
        uint16_t setb_min_uclk_mhz              = min_uclk_mhz;
        uint16_t dcfclk_mhz_for_the_second_state = clk_mgr->base.ctx->dc->dml.soc.clock_limits[2].dcfclk_mhz;

        dc_assert_fp_enabled();

        /* For Set B ranges use min clocks state 2 when available, and report those to PM FW */
        if (dcfclk_mhz_for_the_second_state)
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = dcfclk_mhz_for_the_second_state;
        else
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = clk_mgr->base.bw_params->clk_table.entries[0].dcfclk_mhz;

        if (clk_mgr->base.bw_params->clk_table.entries[2].memclk_mhz)
                setb_min_uclk_mhz = clk_mgr->base.bw_params->clk_table.entries[2].memclk_mhz;

        /* Set A - Normal - default values */
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].valid = true;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.fclk_change_latency_us = fclk_change_latency_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF;

        /* Set B - Performance - higher clocks, using DPM[2] DCFCLK and UCLK */
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].valid = true;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.fclk_change_latency_us = fclk_change_latency_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = setb_min_uclk_mhz;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF;

        /* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */
        /* 'DalDummyClockChangeLatencyNs' registry key option set to 0x7FFFFFFF can be used to disable Set C for dummy p-state */
        if (clk_mgr->base.ctx->dc->bb_overrides.dummy_clock_change_latency_ns != 0x7FFFFFFF) {
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].valid = true;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 50;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.fclk_change_latency_us = fclk_change_latency_us;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz;
                clk_mgr->base.bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF;
                clk_mgr->base.bw_params->dummy_pstate_table[0].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[0].memclk_mhz * 16;
                clk_mgr->base.bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 50;
                clk_mgr->base.bw_params->dummy_pstate_table[1].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[1].memclk_mhz * 16;
                clk_mgr->base.bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9;
                clk_mgr->base.bw_params->dummy_pstate_table[2].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[2].memclk_mhz * 16;
                clk_mgr->base.bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8;
                clk_mgr->base.bw_params->dummy_pstate_table[3].dram_speed_mts = clk_mgr->base.bw_params->clk_table.entries[3].memclk_mhz * 16;
                clk_mgr->base.bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5;
        }
        /* Set D - MALL - SR enter and exit time specific to MALL, TBD after bringup or later phase for now use DRAM values / 2 */
        /* For MALL DRAM clock change latency is N/A, for watermak calculations use lowest value dummy P state latency */
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].valid = true;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us = clk_mgr->base.bw_params->dummy_pstate_table[3].dummy_pstate_latency_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.fclk_change_latency_us = fclk_change_latency_us;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us = sr_exit_time_us / 2; // TBD
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us / 2; // TBD
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.wm_type = WATERMARKS_MALL;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_dcfclk = 0xFFFF;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_uclk = min_uclk_mhz;
        clk_mgr->base.bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_uclk = 0xFFFF;
}

/*
 * Finds dummy_latency_index when MCLK switching using firmware based
 * vblank stretch is enabled. This function will iterate through the
 * table of dummy pstate latencies until the lowest value that allows
 * dm_allow_self_refresh_and_mclk_switch to happen is found
 */
int dcn32_find_dummy_latency_index_for_fw_based_mclk_switch(struct dc *dc,
                                                            struct dc_state *context,
                                                            display_e2e_pipe_params_st *pipes,
                                                            int pipe_cnt,
                                                            int vlevel)
{
        const int max_latency_table_entries = 4;
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
        int dummy_latency_index = 0;
        enum clock_change_support temp_clock_change_support = vba->DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb];

        dc_assert_fp_enabled();

        while (dummy_latency_index < max_latency_table_entries) {
                if (temp_clock_change_support != dm_dram_clock_change_unsupported)
                        vba->DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] = temp_clock_change_support;
                context->bw_ctx.dml.soc.dram_clock_change_latency_us =
                                dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;
                dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, DC_VALIDATE_MODE_AND_PROGRAMMING);

                /* for subvp + DRR case, if subvp pipes are still present we support pstate */
                if (vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported &&
                                dcn32_subvp_in_use(dc, context))
                        vba->DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] = temp_clock_change_support;

                if (vlevel < context->bw_ctx.dml.vba.soc.num_states &&
                                vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] != dm_dram_clock_change_unsupported)
                        break;

                dummy_latency_index++;
        }

        if (dummy_latency_index == max_latency_table_entries) {
                ASSERT(dummy_latency_index != max_latency_table_entries);
                /* If the execution gets here, it means dummy p_states are
                 * not possible. This should never happen and would mean
                 * something is severely wrong.
                 * Here we reset dummy_latency_index to 3, because it is
                 * better to have underflows than system crashes.
                 */
                dummy_latency_index = max_latency_table_entries - 1;
        }

        return dummy_latency_index;
}

/**
 * dcn32_helper_populate_phantom_dlg_params - Get DLG params for phantom pipes
 * and populate pipe_ctx with those params.
 * @dc: [in] current dc state
 * @context: [in] new dc state
 * @pipes: [in] DML pipe params array
 * @pipe_cnt: [in] DML pipe count
 *
 * This function must be called AFTER the phantom pipes are added to context
 * and run through DML (so that the DLG params for the phantom pipes can be
 * populated), and BEFORE we program the timing for the phantom pipes.
 */
void dcn32_helper_populate_phantom_dlg_params(struct dc *dc,
                                              struct dc_state *context,
                                              display_e2e_pipe_params_st *pipes,
                                              int pipe_cnt)
{
        uint32_t i, pipe_idx;

        dc_assert_fp_enabled();

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                if (!pipe->stream)
                        continue;

                if (pipe->plane_state && dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM) {
                        pipes[pipe_idx].pipe.dest.vstartup_start =
                                get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
                        pipes[pipe_idx].pipe.dest.vupdate_offset =
                                get_vupdate_offset(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
                        pipes[pipe_idx].pipe.dest.vupdate_width =
                                get_vupdate_width(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
                        pipes[pipe_idx].pipe.dest.vready_offset =
                                get_vready_offset(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
                        pipe->pipe_dlg_param = pipes[pipe_idx].pipe.dest;
                }
                pipe_idx++;
        }
}

static float calculate_net_bw_in_kbytes_sec(struct _vcs_dpi_voltage_scaling_st *entry)
{
        float memory_bw_kbytes_sec;
        float fabric_bw_kbytes_sec;
        float sdp_bw_kbytes_sec;
        float limiting_bw_kbytes_sec;

        memory_bw_kbytes_sec = entry->dram_speed_mts *
                                dcn3_2_soc.num_chans *
                                dcn3_2_soc.dram_channel_width_bytes *
                                ((float)dcn3_2_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_only / 100);

        fabric_bw_kbytes_sec = entry->fabricclk_mhz *
                                dcn3_2_soc.return_bus_width_bytes *
                                ((float)dcn3_2_soc.pct_ideal_fabric_bw_after_urgent / 100);

        sdp_bw_kbytes_sec = entry->dcfclk_mhz *
                                dcn3_2_soc.return_bus_width_bytes *
                                ((float)dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / 100);

        limiting_bw_kbytes_sec = memory_bw_kbytes_sec;

        if (fabric_bw_kbytes_sec < limiting_bw_kbytes_sec)
                limiting_bw_kbytes_sec = fabric_bw_kbytes_sec;

        if (sdp_bw_kbytes_sec < limiting_bw_kbytes_sec)
                limiting_bw_kbytes_sec = sdp_bw_kbytes_sec;

        return limiting_bw_kbytes_sec;
}

static void get_optimal_ntuple(struct _vcs_dpi_voltage_scaling_st *entry)
{
        if (entry->dcfclk_mhz > 0) {
                float bw_on_sdp = entry->dcfclk_mhz * dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / 100);

                entry->fabricclk_mhz = bw_on_sdp / (dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_fabric_bw_after_urgent / 100));
                entry->dram_speed_mts = bw_on_sdp / (dcn3_2_soc.num_chans *
                                dcn3_2_soc.dram_channel_width_bytes * ((float)dcn3_2_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_only / 100));
        } else if (entry->fabricclk_mhz > 0) {
                float bw_on_fabric = entry->fabricclk_mhz * dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_fabric_bw_after_urgent / 100);

                entry->dcfclk_mhz = bw_on_fabric / (dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / 100));
                entry->dram_speed_mts = bw_on_fabric / (dcn3_2_soc.num_chans *
                                dcn3_2_soc.dram_channel_width_bytes * ((float)dcn3_2_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_only / 100));
        } else if (entry->dram_speed_mts > 0) {
                float bw_on_dram = entry->dram_speed_mts * dcn3_2_soc.num_chans *
                                dcn3_2_soc.dram_channel_width_bytes * ((float)dcn3_2_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_only / 100);

                entry->fabricclk_mhz = bw_on_dram / (dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_fabric_bw_after_urgent / 100));
                entry->dcfclk_mhz = bw_on_dram / (dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / 100));
        }
}

static void insert_entry_into_table_sorted(struct _vcs_dpi_voltage_scaling_st *table,
                                    unsigned int *num_entries,
                                    struct _vcs_dpi_voltage_scaling_st *entry)
{
        int i = 0;
        int index = 0;

        dc_assert_fp_enabled();

        if (*num_entries == 0) {
                table[0] = *entry;
                (*num_entries)++;
        } else {
                while (entry->net_bw_in_kbytes_sec > table[index].net_bw_in_kbytes_sec) {
                        index++;
                        if (index >= *num_entries)
                                break;
                }

                for (i = *num_entries; i > index; i--)
                        table[i] = table[i - 1];

                table[index] = *entry;
                (*num_entries)++;
        }
}

/**
 * dcn32_set_phantom_stream_timing - Set timing params for the phantom stream
 * @dc: current dc state
 * @context: new dc state
 * @ref_pipe: Main pipe for the phantom stream
 * @phantom_stream: target phantom stream state
 * @pipes: DML pipe params
 * @pipe_cnt: number of DML pipes
 * @dc_pipe_idx: DC pipe index for the main pipe (i.e. ref_pipe)
 *
 * Set timing params of the phantom stream based on calculated output from DML.
 * This function first gets the DML pipe index using the DC pipe index, then
 * calls into DML (get_subviewport_lines_needed_in_mall) to get the number of
 * lines required for SubVP MCLK switching and assigns to the phantom stream
 * accordingly.
 *
 * - The number of SubVP lines calculated in DML does not take into account
 * FW processing delays and required pstate allow width, so we must include
 * that separately.
 *
 * - Set phantom backporch = vstartup of main pipe
 */
void dcn32_set_phantom_stream_timing(struct dc *dc,
                                     struct dc_state *context,
                                     struct pipe_ctx *ref_pipe,
                                     struct dc_stream_state *phantom_stream,
                                     display_e2e_pipe_params_st *pipes,
                                     unsigned int pipe_cnt,
                                     unsigned int dc_pipe_idx)
{
        unsigned int i, pipe_idx;
        struct pipe_ctx *pipe;
        uint32_t phantom_vactive, phantom_bp, pstate_width_fw_delay_lines;
        unsigned int num_dpp;
        unsigned int vlevel = context->bw_ctx.dml.vba.VoltageLevel;
        unsigned int dcfclk = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
        unsigned int socclk = context->bw_ctx.dml.vba.SOCCLKPerState[vlevel];
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
        struct dc_stream_state *main_stream = ref_pipe->stream;

        dc_assert_fp_enabled();

        // Find DML pipe index (pipe_idx) using dc_pipe_idx
        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                pipe = &context->res_ctx.pipe_ctx[i];

                if (!pipe->stream)
                        continue;

                if (i == dc_pipe_idx)
                        break;

                pipe_idx++;
        }

        // Calculate lines required for pstate allow width and FW processing delays
        pstate_width_fw_delay_lines = ((double)(dc->caps.subvp_fw_processing_delay_us +
                        dc->caps.subvp_pstate_allow_width_us) / 1000000) *
                        (ref_pipe->stream->timing.pix_clk_100hz * 100) /
                        (double)ref_pipe->stream->timing.h_total;

        // Update clks_cfg for calling into recalculate
        pipes[0].clks_cfg.voltage = vlevel;
        pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
        pipes[0].clks_cfg.socclk_mhz = socclk;

        // DML calculation for MALL region doesn't take into account FW delay
        // and required pstate allow width for multi-display cases
        /* Add 16 lines margin to the MALL REGION because SUB_VP_START_LINE must be aligned
         * to 2 swaths (i.e. 16 lines)
         */
        phantom_vactive = get_subviewport_lines_needed_in_mall(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx) +
                                pstate_width_fw_delay_lines + dc->caps.subvp_swath_height_margin_lines;

        // W/A for DCC corruption with certain high resolution timings.
        // Determing if pipesplit is used. If so, add meta_row_height to the phantom vactive.
        num_dpp = vba->NoOfDPP[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]];
        phantom_vactive += num_dpp > 1 ? vba->meta_row_height[vba->pipe_plane[pipe_idx]] : 0;

        /* dc->debug.subvp_extra_lines 0 by default*/
        phantom_vactive += dc->debug.subvp_extra_lines;

        // For backporch of phantom pipe, use vstartup of the main pipe
        phantom_bp = get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);

        phantom_stream->dst.y = 0;
        phantom_stream->dst.height = phantom_vactive;
        /* When scaling, DML provides the end to end required number of lines for MALL.
         * dst.height is always correct for this case, but src.height is not which causes a
         * delta between main and phantom pipe scaling outputs. Need to adjust src.height on
         * phantom for this case.
         */
        phantom_stream->src.y = 0;
        phantom_stream->src.height = (double)phantom_vactive * (double)main_stream->src.height / (double)main_stream->dst.height;

        phantom_stream->timing.v_addressable = phantom_vactive;
        phantom_stream->timing.v_front_porch = 1;
        phantom_stream->timing.v_total = phantom_stream->timing.v_addressable +
                                                phantom_stream->timing.v_front_porch +
                                                phantom_stream->timing.v_sync_width +
                                                phantom_bp;
        phantom_stream->timing.flags.DSC = 0; // Don't need DSC for phantom timing
}

/**
 * dcn32_get_num_free_pipes - Calculate number of free pipes
 * @dc: current dc state
 * @context: new dc state
 *
 * This function assumes that a "used" pipe is a pipe that has
 * both a stream and a plane assigned to it.
 *
 * Return: Number of free pipes available in the context
 */
static unsigned int dcn32_get_num_free_pipes(struct dc *dc, struct dc_state *context)
{
        unsigned int i;
        unsigned int free_pipes = 0;
        unsigned int num_pipes = 0;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                if (pipe->stream && !pipe->top_pipe) {
                        while (pipe) {
                                num_pipes++;
                                pipe = pipe->bottom_pipe;
                        }
                }
        }

        free_pipes = dc->res_pool->pipe_count - num_pipes;
        return free_pipes;
}

/**
 * dcn32_assign_subvp_pipe - Function to decide which pipe will use Sub-VP.
 * @dc: current dc state
 * @context: new dc state
 * @index: [out] dc pipe index for the pipe chosen to have phantom pipes assigned
 *
 * We enter this function if we are Sub-VP capable (i.e. enough pipes available)
 * and regular P-State switching (i.e. VACTIVE/VBLANK) is not supported, or if
 * we are forcing SubVP P-State switching on the current config.
 *
 * The number of pipes used for the chosen surface must be less than or equal to the
 * number of free pipes available.
 *
 * In general we choose surfaces with the longest frame time first (better for SubVP + VBLANK).
 * For multi-display cases the ActiveDRAMClockChangeMargin doesn't provide enough info on its own
 * for determining which should be the SubVP pipe (need a way to determine if a pipe / plane doesn't
 * support MCLK switching naturally [i.e. ACTIVE or VBLANK]).
 *
 * Return: True if a valid pipe assignment was found for Sub-VP. Otherwise false.
 */
static bool dcn32_assign_subvp_pipe(struct dc *dc,
                                    struct dc_state *context,
                                    unsigned int *index)
{
        unsigned int i, pipe_idx;
        unsigned int max_frame_time = 0;
        bool valid_assignment_found = false;
        unsigned int free_pipes = dcn32_get_num_free_pipes(dc, context);
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                unsigned int num_pipes = 0;
                unsigned int refresh_rate = 0;

                if (!pipe->stream)
                        continue;

                // Round up
                refresh_rate = (pipe->stream->timing.pix_clk_100hz * 100 +
                                pipe->stream->timing.v_total * pipe->stream->timing.h_total - 1)
                                / (double)(pipe->stream->timing.v_total * pipe->stream->timing.h_total);
                /* SubVP pipe candidate requirements:
                 * - Refresh rate < 120hz
                 * - Not able to switch in vactive naturally (switching in active means the
                 *   DET provides enough buffer to hide the P-State switch latency -- trying
                 *   to combine this with SubVP can cause issues with the scheduling).
                 * - Not TMZ surface
                 */
                if (pipe->plane_state && !pipe->top_pipe && !pipe->prev_odm_pipe && !dcn32_is_center_timing(pipe) &&
                                !pipe->stream->hw_cursor_req &&
                                !dc_state_get_stream_cursor_subvp_limit(pipe->stream, context) &&
                                !(pipe->stream->timing.pix_clk_100hz / 10000 > DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ) &&
                                (!dcn32_is_psr_capable(pipe) || (context->stream_count == 1 && dc->caps.dmub_caps.subvp_psr)) &&
                                dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_NONE &&
                                (refresh_rate < 120 || dcn32_allow_subvp_high_refresh_rate(dc, context, pipe)) &&
                                !pipe->plane_state->address.tmz_surface &&
                                (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] <= 0 ||
                                (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] > 0 &&
                                                dcn32_allow_subvp_with_active_margin(pipe)))) {
                        while (pipe) {
                                num_pipes++;
                                pipe = pipe->bottom_pipe;
                        }

                        pipe = &context->res_ctx.pipe_ctx[i];
                        if (num_pipes <= free_pipes) {
                                struct dc_stream_state *stream = pipe->stream;
                                unsigned int frame_us = (stream->timing.v_total * stream->timing.h_total /
                                                (double)(stream->timing.pix_clk_100hz * 100)) * 1000000;
                                if (frame_us > max_frame_time) {
                                        *index = i;
                                        max_frame_time = frame_us;
                                        valid_assignment_found = true;
                                }
                        }
                }
                pipe_idx++;
        }
        return valid_assignment_found;
}

/**
 * dcn32_enough_pipes_for_subvp - Function to check if there are "enough" pipes for SubVP.
 * @dc: current dc state
 * @context: new dc state
 *
 * This function returns true if there are enough free pipes
 * to create the required phantom pipes for any given stream
 * (that does not already have phantom pipe assigned).
 *
 * e.g. For a 2 stream config where the first stream uses one
 * pipe and the second stream uses 2 pipes (i.e. pipe split),
 * this function will return true because there is 1 remaining
 * pipe which can be used as the phantom pipe for the non pipe
 * split pipe.
 *
 * Return:
 * True if there are enough free pipes to assign phantom pipes to at least one
 * stream that does not already have phantom pipes assigned. Otherwise false.
 */
static bool dcn32_enough_pipes_for_subvp(struct dc *dc, struct dc_state *context)
{
        unsigned int i, split_cnt, free_pipes;
        unsigned int min_pipe_split = dc->res_pool->pipe_count + 1; // init as max number of pipes + 1
        bool subvp_possible = false;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                // Find the minimum pipe split count for non SubVP pipes
                if (resource_is_pipe_type(pipe, OPP_HEAD) &&
                        dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_NONE) {
                        split_cnt = 0;
                        while (pipe) {
                                split_cnt++;
                                pipe = pipe->bottom_pipe;
                        }

                        if (split_cnt < min_pipe_split)
                                min_pipe_split = split_cnt;
                }
        }

        free_pipes = dcn32_get_num_free_pipes(dc, context);

        // SubVP only possible if at least one pipe is being used (i.e. free_pipes
        // should not equal to the pipe_count)
        if (free_pipes >= min_pipe_split && free_pipes < dc->res_pool->pipe_count)
                subvp_possible = true;

        return subvp_possible;
}

/**
 * subvp_subvp_schedulable - Determine if SubVP + SubVP config is schedulable
 * @dc: current dc state
 * @context: new dc state
 *
 * High level algorithm:
 * 1. Find longest microschedule length (in us) between the two SubVP pipes
 * 2. Check if the worst case overlap (VBLANK in middle of ACTIVE) for both
 * pipes still allows for the maximum microschedule to fit in the active
 * region for both pipes.
 *
 * Return: True if the SubVP + SubVP config is schedulable, false otherwise
 */
static bool subvp_subvp_schedulable(struct dc *dc, struct dc_state *context)
{
        struct pipe_ctx *subvp_pipes[2] = {0};
        struct dc_stream_state *phantom = NULL;
        uint32_t microschedule_lines = 0;
        uint32_t index = 0;
        uint32_t i;
        uint32_t max_microschedule_us = 0;
        int32_t vactive1_us, vactive2_us, vblank1_us, vblank2_us;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                uint32_t time_us = 0;

                /* Loop to calculate the maximum microschedule time between the two SubVP pipes,
                 * and also to store the two main SubVP pipe pointers in subvp_pipes[2].
                 */
                phantom = dc_state_get_paired_subvp_stream(context, pipe->stream);
                if (phantom && pipe->stream && pipe->plane_state && !pipe->top_pipe &&
                        dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) {
                        microschedule_lines = (phantom->timing.v_total - phantom->timing.v_front_porch) +
                                        phantom->timing.v_addressable;

                        // Round up when calculating microschedule time (+ 1 at the end)
                        time_us = (microschedule_lines * phantom->timing.h_total) /
                                        (double)(phantom->timing.pix_clk_100hz * 100) * 1000000 +
                                                dc->caps.subvp_prefetch_end_to_mall_start_us +
                                                dc->caps.subvp_fw_processing_delay_us + 1;
                        if (time_us > max_microschedule_us)
                                max_microschedule_us = time_us;

                        subvp_pipes[index] = pipe;
                        index++;

                        // Maximum 2 SubVP pipes
                        if (index == 2)
                                break;
                }
        }
        vactive1_us = ((subvp_pipes[0]->stream->timing.v_addressable * subvp_pipes[0]->stream->timing.h_total) /
                        (double)(subvp_pipes[0]->stream->timing.pix_clk_100hz * 100)) * 1000000;
        vactive2_us = ((subvp_pipes[1]->stream->timing.v_addressable * subvp_pipes[1]->stream->timing.h_total) /
                                (double)(subvp_pipes[1]->stream->timing.pix_clk_100hz * 100)) * 1000000;
        vblank1_us = (((subvp_pipes[0]->stream->timing.v_total - subvp_pipes[0]->stream->timing.v_addressable) *
                        subvp_pipes[0]->stream->timing.h_total) /
                        (double)(subvp_pipes[0]->stream->timing.pix_clk_100hz * 100)) * 1000000;
        vblank2_us = (((subvp_pipes[1]->stream->timing.v_total - subvp_pipes[1]->stream->timing.v_addressable) *
                        subvp_pipes[1]->stream->timing.h_total) /
                        (double)(subvp_pipes[1]->stream->timing.pix_clk_100hz * 100)) * 1000000;

        if ((vactive1_us - vblank2_us) / 2 > max_microschedule_us &&
            (vactive2_us - vblank1_us) / 2 > max_microschedule_us)
                return true;

        return false;
}

/**
 * subvp_drr_schedulable() - Determine if SubVP + DRR config is schedulable
 * @dc: current dc state
 * @context: new dc state
 *
 * High level algorithm:
 * 1. Get timing for SubVP pipe, phantom pipe, and DRR pipe
 * 2. Determine the frame time for the DRR display when adding required margin for MCLK switching
 * (the margin is equal to the MALL region + DRR margin (500us))
 * 3.If (SubVP Active - Prefetch > Stretched DRR frame + max(MALL region, Stretched DRR frame))
 * then report the configuration as supported
 *
 * Return: True if the SubVP + DRR config is schedulable, false otherwise
 */
static bool subvp_drr_schedulable(struct dc *dc, struct dc_state *context)
{
        bool schedulable = false;
        uint32_t i;
        struct pipe_ctx *pipe = NULL;
        struct pipe_ctx *drr_pipe = NULL;
        struct dc_crtc_timing *main_timing = NULL;
        struct dc_crtc_timing *phantom_timing = NULL;
        struct dc_crtc_timing *drr_timing = NULL;
        int16_t prefetch_us = 0;
        int16_t mall_region_us = 0;
        int16_t drr_frame_us = 0;       // nominal frame time
        int16_t subvp_active_us = 0;
        int16_t stretched_drr_us = 0;
        int16_t drr_stretched_vblank_us = 0;
        int16_t max_vblank_mallregion = 0;
        struct dc_stream_state *phantom_stream;
        bool subvp_found = false;
        bool drr_found = false;

        // Find SubVP pipe
        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                pipe = &context->res_ctx.pipe_ctx[i];

                // We check for master pipe, but it shouldn't matter since we only need
                // the pipe for timing info (stream should be same for any pipe splits)
                if (!resource_is_pipe_type(pipe, OTG_MASTER) ||
                                !resource_is_pipe_type(pipe, DPP_PIPE))
                        continue;

                // Find the SubVP pipe
                if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) {
                        subvp_found = true;
                        break;
                }
        }

        // Find the DRR pipe
        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                drr_pipe = &context->res_ctx.pipe_ctx[i];

                // We check for master pipe only
                if (!resource_is_pipe_type(drr_pipe, OTG_MASTER) ||
                                !resource_is_pipe_type(drr_pipe, DPP_PIPE))
                        continue;

                if (dc_state_get_pipe_subvp_type(context, drr_pipe) == SUBVP_NONE && drr_pipe->stream->ignore_msa_timing_param &&
                                (drr_pipe->stream->allow_freesync || drr_pipe->stream->vrr_active_variable || drr_pipe->stream->vrr_active_fixed)) {
                        drr_found = true;
                        break;
                }
        }

        phantom_stream = dc_state_get_paired_subvp_stream(context, pipe->stream);
        if (phantom_stream && subvp_found && drr_found) {
                main_timing = &pipe->stream->timing;
                phantom_timing = &phantom_stream->timing;
                drr_timing = &drr_pipe->stream->timing;
                prefetch_us = (phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total /
                                (double)(phantom_timing->pix_clk_100hz * 100) * 1000000 +
                                dc->caps.subvp_prefetch_end_to_mall_start_us;
                subvp_active_us = main_timing->v_addressable * main_timing->h_total /
                                (double)(main_timing->pix_clk_100hz * 100) * 1000000;
                drr_frame_us = drr_timing->v_total * drr_timing->h_total /
                                (double)(drr_timing->pix_clk_100hz * 100) * 1000000;
                // P-State allow width and FW delays already included phantom_timing->v_addressable
                mall_region_us = phantom_timing->v_addressable * phantom_timing->h_total /
                                (double)(phantom_timing->pix_clk_100hz * 100) * 1000000;
                stretched_drr_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
                drr_stretched_vblank_us = (drr_timing->v_total - drr_timing->v_addressable) * drr_timing->h_total /
                                (double)(drr_timing->pix_clk_100hz * 100) * 1000000 + (stretched_drr_us - drr_frame_us);
                max_vblank_mallregion = drr_stretched_vblank_us > mall_region_us ? drr_stretched_vblank_us : mall_region_us;
        }

        /* We consider SubVP + DRR schedulable if the stretched frame duration of the DRR display (i.e. the
         * highest refresh rate + margin that can support UCLK P-State switch) passes the static analysis
         * for VBLANK: (VACTIVE region of the SubVP pipe can fit the MALL prefetch, VBLANK frame time,
         * and the max of (VBLANK blanking time, MALL region)).
         */
        if (drr_timing &&
            stretched_drr_us < (1 / (double)drr_timing->min_refresh_in_uhz) * 1000000 * 1000000 &&
            subvp_active_us - prefetch_us - stretched_drr_us - max_vblank_mallregion > 0)
                schedulable = true;

        return schedulable;
}


/**
 * subvp_vblank_schedulable - Determine if SubVP + VBLANK config is schedulable
 * @dc: current dc state
 * @context: new dc state
 *
 * High level algorithm:
 * 1. Get timing for SubVP pipe, phantom pipe, and VBLANK pipe
 * 2. If (SubVP Active - Prefetch > Vblank Frame Time + max(MALL region, Vblank blanking time))
 * then report the configuration as supported
 * 3. If the VBLANK display is DRR, then take the DRR static schedulability path
 *
 * Return: True if the SubVP + VBLANK/DRR config is schedulable, false otherwise
 */
static bool subvp_vblank_schedulable(struct dc *dc, struct dc_state *context)
{
        struct pipe_ctx *pipe = NULL;
        struct pipe_ctx *subvp_pipe = NULL;
        bool found = false;
        bool schedulable = false;
        uint32_t i = 0;
        uint8_t vblank_index = 0;
        uint16_t prefetch_us = 0;
        uint16_t mall_region_us = 0;
        uint16_t vblank_frame_us = 0;
        uint16_t subvp_active_us = 0;
        uint16_t vblank_blank_us = 0;
        uint16_t max_vblank_mallregion = 0;
        struct dc_crtc_timing *main_timing = NULL;
        struct dc_crtc_timing *phantom_timing = NULL;
        struct dc_crtc_timing *vblank_timing = NULL;
        struct dc_stream_state *phantom_stream;
        enum mall_stream_type pipe_mall_type;

        /* For SubVP + VBLANK/DRR cases, we assume there can only be
         * a single VBLANK/DRR display. If DML outputs SubVP + VBLANK
         * is supported, it is either a single VBLANK case or two VBLANK
         * displays which are synchronized (in which case they have identical
         * timings).
         */
        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                pipe = &context->res_ctx.pipe_ctx[i];
                pipe_mall_type = dc_state_get_pipe_subvp_type(context, pipe);

                // We check for master pipe, but it shouldn't matter since we only need
                // the pipe for timing info (stream should be same for any pipe splits)
                if (!resource_is_pipe_type(pipe, OTG_MASTER) ||
                                !resource_is_pipe_type(pipe, DPP_PIPE))
                        continue;

                if (!found && pipe_mall_type == SUBVP_NONE) {
                        // Found pipe which is not SubVP or Phantom (i.e. the VBLANK pipe).
                        vblank_index = i;
                        found = true;
                }

                if (!subvp_pipe && pipe_mall_type == SUBVP_MAIN)
                        subvp_pipe = pipe;
        }
        if (found && subvp_pipe) {
                phantom_stream = dc_state_get_paired_subvp_stream(context, subvp_pipe->stream);
                main_timing = &subvp_pipe->stream->timing;
                phantom_timing = &phantom_stream->timing;
                vblank_timing = &context->res_ctx.pipe_ctx[vblank_index].stream->timing;
                // Prefetch time is equal to VACTIVE + BP + VSYNC of the phantom pipe
                // Also include the prefetch end to mallstart delay time
                prefetch_us = (phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total /
                                (double)(phantom_timing->pix_clk_100hz * 100) * 1000000 +
                                dc->caps.subvp_prefetch_end_to_mall_start_us;
                // P-State allow width and FW delays already included phantom_timing->v_addressable
                mall_region_us = phantom_timing->v_addressable * phantom_timing->h_total /
                                (double)(phantom_timing->pix_clk_100hz * 100) * 1000000;
                vblank_frame_us = vblank_timing->v_total * vblank_timing->h_total /
                                (double)(vblank_timing->pix_clk_100hz * 100) * 1000000;
                vblank_blank_us =  (vblank_timing->v_total - vblank_timing->v_addressable) * vblank_timing->h_total /
                                (double)(vblank_timing->pix_clk_100hz * 100) * 1000000;
                subvp_active_us = main_timing->v_addressable * main_timing->h_total /
                                (double)(main_timing->pix_clk_100hz * 100) * 1000000;
                max_vblank_mallregion = vblank_blank_us > mall_region_us ? vblank_blank_us : mall_region_us;

                // Schedulable if VACTIVE region of the SubVP pipe can fit the MALL prefetch, VBLANK frame time,
                // and the max of (VBLANK blanking time, MALL region)
                // TODO: Possibly add some margin (i.e. the below conditions should be [...] > X instead of [...] > 0)
                if (subvp_active_us - prefetch_us - vblank_frame_us - max_vblank_mallregion > 0)
                        schedulable = true;
        }
        return schedulable;
}

/**
 * subvp_subvp_admissable() - Determine if subvp + subvp config is admissible
 *
 * @dc: Current DC state
 * @context: New DC state to be programmed
 *
 * SubVP + SubVP is admissible under the following conditions:
 * - All SubVP pipes are < 120Hz OR
 * - All SubVP pipes are >= 120hz
 *
 * Return: True if admissible, false otherwise
 */
static bool subvp_subvp_admissable(struct dc *dc,
                                struct dc_state *context)
{
        bool result = false;
        uint32_t i;
        uint8_t subvp_count = 0;
        uint32_t min_refresh = subvp_high_refresh_list.min_refresh, max_refresh = 0;
        uint64_t refresh_rate = 0;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                if (!pipe->stream)
                        continue;

                if (pipe->plane_state && !pipe->top_pipe &&
                                dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN) {
                        refresh_rate = (pipe->stream->timing.pix_clk_100hz * (uint64_t)100 +
                                pipe->stream->timing.v_total * (uint64_t)pipe->stream->timing.h_total - (uint64_t)1);
                        refresh_rate = div_u64(refresh_rate, pipe->stream->timing.v_total);
                        refresh_rate = div_u64(refresh_rate, pipe->stream->timing.h_total);

                        if ((uint32_t)refresh_rate < min_refresh)
                                min_refresh = (uint32_t)refresh_rate;
                        if ((uint32_t)refresh_rate > max_refresh)
                                max_refresh = (uint32_t)refresh_rate;
                        subvp_count++;
                }
        }

        if (subvp_count == 2 && ((min_refresh < 120 && max_refresh < 120) ||
                (min_refresh >= subvp_high_refresh_list.min_refresh &&
                                max_refresh <= subvp_high_refresh_list.max_refresh)))
                result = true;

        return result;
}

/**
 * subvp_validate_static_schedulability - Check which SubVP case is calculated
 * and handle static analysis based on the case.
 * @dc: current dc state
 * @context: new dc state
 * @vlevel: Voltage level calculated by DML
 *
 * Three cases:
 * 1. SubVP + SubVP
 * 2. SubVP + VBLANK (DRR checked internally)
 * 3. SubVP + VACTIVE (currently unsupported)
 *
 * Return: True if statically schedulable, false otherwise
 */
static bool subvp_validate_static_schedulability(struct dc *dc,
                                struct dc_state *context,
                                int vlevel)
{
        bool schedulable = false;
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
        uint32_t i, pipe_idx;
        uint8_t subvp_count = 0;
        uint8_t vactive_count = 0;
        uint8_t non_subvp_pipes = 0;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                enum mall_stream_type pipe_mall_type = dc_state_get_pipe_subvp_type(context, pipe);

                if (!pipe->stream)
                        continue;

                if (pipe->plane_state && !pipe->top_pipe) {
                        if (pipe_mall_type == SUBVP_MAIN)
                                subvp_count++;
                        if (pipe_mall_type == SUBVP_NONE)
                                non_subvp_pipes++;
                }

                // Count how many planes that aren't SubVP/phantom are capable of VACTIVE
                // switching (SubVP + VACTIVE unsupported). In situations where we force
                // SubVP for a VACTIVE plane, we don't want to increment the vactive_count.
                if (vba->ActiveDRAMClockChangeLatencyMarginPerState[vlevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] > 0 &&
                                pipe_mall_type == SUBVP_NONE) {
                        vactive_count++;
                }
                pipe_idx++;
        }

        if (subvp_count == 2) {
                // Static schedulability check for SubVP + SubVP case
                schedulable = subvp_subvp_admissable(dc, context) && subvp_subvp_schedulable(dc, context);
        } else if (subvp_count == 1 && non_subvp_pipes == 0) {
                // Single SubVP configs will be supported by default as long as it's suppported by DML
                schedulable = true;
        } else if (subvp_count == 1 && non_subvp_pipes == 1) {
                if (dcn32_subvp_drr_admissable(dc, context))
                        schedulable = subvp_drr_schedulable(dc, context);
                else if (dcn32_subvp_vblank_admissable(dc, context, vlevel))
                        schedulable = subvp_vblank_schedulable(dc, context);
        } else if (vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_vactive_w_mall_sub_vp &&
                        vactive_count > 0) {
                // For single display SubVP cases, DML will output dm_dram_clock_change_vactive_w_mall_sub_vp by default.
                // We tell the difference between SubVP vs. SubVP + VACTIVE by checking the vactive_count.
                // SubVP + VACTIVE currently unsupported
                schedulable = false;
        }
        return schedulable;
}

static void assign_subvp_index(struct dc *dc, struct dc_state *context)
{
        int i;
        int index = 0;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];

                if (resource_is_pipe_type(pipe_ctx, OTG_MASTER) &&
                                dc_state_get_pipe_subvp_type(context, pipe_ctx) == SUBVP_MAIN) {
                        pipe_ctx->subvp_index = index++;
                } else {
                        pipe_ctx->subvp_index = 0;
                }
        }
}

struct pipe_slice_table {
        struct {
                struct dc_stream_state *stream;
                int slice_count;
        } odm_combines[MAX_STREAMS];
        int odm_combine_count;

        struct {
                struct pipe_ctx *pri_pipe;
                struct dc_plane_state *plane;
                int slice_count;
        } mpc_combines[MAX_PLANES];
        int mpc_combine_count;
};


static void update_slice_table_for_stream(struct pipe_slice_table *table,
                struct dc_stream_state *stream, int diff)
{
        int i;

        for (i = 0; i < table->odm_combine_count; i++) {
                if (table->odm_combines[i].stream == stream) {
                        table->odm_combines[i].slice_count += diff;
                        break;
                }
        }

        if (i == table->odm_combine_count) {
                table->odm_combine_count++;
                table->odm_combines[i].stream = stream;
                table->odm_combines[i].slice_count = diff;
        }
}

static void update_slice_table_for_plane(struct pipe_slice_table *table,
                struct pipe_ctx *dpp_pipe, struct dc_plane_state *plane, int diff)
{
        int i;
        struct pipe_ctx *pri_dpp_pipe = resource_get_primary_dpp_pipe(dpp_pipe);

        for (i = 0; i < table->mpc_combine_count; i++) {
                if (table->mpc_combines[i].plane == plane &&
                                table->mpc_combines[i].pri_pipe == pri_dpp_pipe) {
                        table->mpc_combines[i].slice_count += diff;
                        break;
                }
        }

        if (i == table->mpc_combine_count) {
                table->mpc_combine_count++;
                table->mpc_combines[i].plane = plane;
                table->mpc_combines[i].pri_pipe = pri_dpp_pipe;
                table->mpc_combines[i].slice_count = diff;
        }
}

static void init_pipe_slice_table_from_context(
                struct pipe_slice_table *table,
                struct dc_state *context)
{
        int i, j;
        struct pipe_ctx *otg_master;
        struct pipe_ctx *dpp_pipes[MAX_PIPES];
        struct dc_stream_state *stream;
        int count;

        memset(table, 0, sizeof(*table));

        for (i = 0; i < context->stream_count; i++) {
                stream = context->streams[i];
                otg_master = resource_get_otg_master_for_stream(
                                &context->res_ctx, stream);
                if (!otg_master)
                        continue;

                count = resource_get_odm_slice_count(otg_master);
                update_slice_table_for_stream(table, stream, count);

                count = resource_get_dpp_pipes_for_opp_head(otg_master,
                                &context->res_ctx, dpp_pipes);
                for (j = 0; j < count; j++)
                        if (dpp_pipes[j]->plane_state)
                                update_slice_table_for_plane(table, dpp_pipes[j],
                                                dpp_pipes[j]->plane_state, 1);
        }
}

static bool update_pipe_slice_table_with_split_flags(
                struct pipe_slice_table *table,
                struct dc *dc,
                struct dc_state *context,
                struct vba_vars_st *vba,
                int split[MAX_PIPES],
                bool merge[MAX_PIPES])
{
        /* NOTE: we are deprecating the support for the concept of pipe splitting
         * or pipe merging. Instead we append slices to the end and remove
         * slices from the end. The following code converts a pipe split or
         * merge to an append or remove operation.
         *
         * For example:
         * When split flags describe the following pipe connection transition
         *
         * from:
         *  pipe 0 (split=2) -> pipe 1 (split=2)
         * to: (old behavior)
         *  pipe 0 -> pipe 2 -> pipe 1 -> pipe 3
         *
         * the code below actually does:
         *  pipe 0 -> pipe 1 -> pipe 2 -> pipe 3
         *
         * This is the new intended behavior and for future DCNs we will retire
         * the old concept completely.
         */
        struct pipe_ctx *pipe;
        bool odm;
        int dc_pipe_idx, dml_pipe_idx = 0;
        bool updated = false;

        for (dc_pipe_idx = 0;
                        dc_pipe_idx < dc->res_pool->pipe_count; dc_pipe_idx++) {
                pipe = &context->res_ctx.pipe_ctx[dc_pipe_idx];
                if (resource_is_pipe_type(pipe, FREE_PIPE))
                        continue;

                if (merge[dc_pipe_idx]) {
                        if (resource_is_pipe_type(pipe, OPP_HEAD))
                                /* merging OPP head means reducing ODM slice
                                 * count by 1
                                 */
                                update_slice_table_for_stream(table, pipe->stream, -1);
                        else if (resource_is_pipe_type(pipe, DPP_PIPE) &&
                                        resource_get_odm_slice_index(resource_get_opp_head(pipe)) == 0)
                                /* merging DPP pipe of the first ODM slice means
                                 * reducing MPC slice count by 1
                                 */
                                update_slice_table_for_plane(table, pipe, pipe->plane_state, -1);
                        updated = true;
                }

                if (split[dc_pipe_idx]) {
                        odm = vba->ODMCombineEnabled[vba->pipe_plane[dml_pipe_idx]] !=
                                        dm_odm_combine_mode_disabled;
                        if (odm && resource_is_pipe_type(pipe, OPP_HEAD))
                                update_slice_table_for_stream(
                                                table, pipe->stream, split[dc_pipe_idx] - 1);
                        else if (!odm && resource_is_pipe_type(pipe, DPP_PIPE))
                                update_slice_table_for_plane(table, pipe,
                                                pipe->plane_state, split[dc_pipe_idx] - 1);
                        updated = true;
                }
                dml_pipe_idx++;
        }
        return updated;
}

static void update_pipes_with_slice_table(struct dc *dc, struct dc_state *context,
                struct pipe_slice_table *table)
{
        int i;

        for (i = 0; i < table->odm_combine_count; i++)
                resource_update_pipes_for_stream_with_slice_count(context,
                                dc->current_state, dc->res_pool,
                                table->odm_combines[i].stream,
                                table->odm_combines[i].slice_count);

        for (i = 0; i < table->mpc_combine_count; i++)
                resource_update_pipes_for_plane_with_slice_count(context,
                                dc->current_state, dc->res_pool,
                                table->mpc_combines[i].plane,
                                table->mpc_combines[i].slice_count);
}

static bool update_pipes_with_split_flags(struct dc *dc, struct dc_state *context,
                struct vba_vars_st *vba, int split[MAX_PIPES],
                bool merge[MAX_PIPES])
{
        struct pipe_slice_table slice_table;
        bool updated;

        init_pipe_slice_table_from_context(&slice_table, context);
        updated = update_pipe_slice_table_with_split_flags(
                        &slice_table, dc, context, vba,
                        split, merge);
        update_pipes_with_slice_table(dc, context, &slice_table);
        return updated;
}

static bool should_apply_odm_power_optimization(struct dc *dc,
                struct dc_state *context, struct vba_vars_st *v, int *split,
                bool *merge)
{
        struct dc_stream_state *stream = context->streams[0];
        struct pipe_slice_table slice_table;
        int i;

        /*
         * this debug flag allows us to disable ODM power optimization feature
         * unconditionally. we force the feature off if this is set to false.
         */
        if (!dc->debug.enable_single_display_2to1_odm_policy)
                return false;

        /* current design and test coverage is only limited to allow ODM power
         * optimization for single stream. Supporting it for multiple streams
         * use case would require additional algorithm to decide how to
         * optimize power consumption when there are not enough free pipes to
         * allocate for all the streams. This level of optimization would
         * require multiple attempts of revalidation to make an optimized
         * decision. Unfortunately We do not support revalidation flow in
         * current version of DML.
         */
        if (context->stream_count != 1)
                return false;

        /*
         * Our hardware doesn't support ODM for HDMI TMDS
         */
        if (dc_is_hdmi_signal(stream->signal))
                return false;

        /*
         * ODM Combine 2:1 requires horizontal timing divisible by 2 so each
         * ODM segment has the same size.
         */
        if (!is_h_timing_divisible_by_2(stream))
                return false;

        /*
         * No power benefits if the timing's pixel clock is not high enough to
         * raise display clock from minimum power state.
         */
        if (stream->timing.pix_clk_100hz * 100 <= DCN3_2_VMIN_DISPCLK_HZ)
                return false;

        if (dc->config.enable_windowed_mpo_odm) {
                /*
                 * ODM power optimization should only be allowed if the feature
                 * can be seamlessly toggled off within an update. This would
                 * require that the feature is applied on top of a minimal
                 * state. A minimal state is defined as a state validated
                 * without the need of pipe split. Therefore, when transition to
                 * toggle the feature off, the same stream and plane
                 * configuration can be supported by the pipe resource in the
                 * first ODM slice alone without the need to acquire extra
                 * resources.
                 */
                init_pipe_slice_table_from_context(&slice_table, context);
                update_pipe_slice_table_with_split_flags(
                                &slice_table, dc, context, v,
                                split, merge);
                for (i = 0; i < slice_table.mpc_combine_count; i++)
                        if (slice_table.mpc_combines[i].slice_count > 1)
                                return false;

                for (i = 0; i < slice_table.odm_combine_count; i++)
                        if (slice_table.odm_combines[i].slice_count > 1)
                                return false;
        } else {
                /*
                 * the new ODM power optimization feature reduces software
                 * design limitation and allows ODM power optimization to be
                 * supported even with presence of overlay planes. The new
                 * feature is enabled based on enable_windowed_mpo_odm flag. If
                 * the flag is not set, we limit our feature scope due to
                 * previous software design limitation
                 */
                if (context->stream_status[0].plane_count != 1)
                        return false;

                if (memcmp(&context->stream_status[0].plane_states[0]->clip_rect,
                                &stream->src, sizeof(struct rect)) != 0)
                        return false;

                if (stream->src.width >= 5120 &&
                                stream->src.width > stream->dst.width)
                        return false;
        }
        return true;
}

static void try_odm_power_optimization_and_revalidate(
                struct dc *dc,
                struct dc_state *context,
                display_e2e_pipe_params_st *pipes,
                int *split,
                bool *merge,
                unsigned int *vlevel,
                int pipe_cnt)
{
        int i;
        unsigned int new_vlevel;
        unsigned int cur_policy[MAX_PIPES];

        for (i = 0; i < pipe_cnt; i++) {
                cur_policy[i] = pipes[i].pipe.dest.odm_combine_policy;
                pipes[i].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1;
        }

        new_vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);

        if (new_vlevel < context->bw_ctx.dml.soc.num_states) {
                memset(split, 0, MAX_PIPES * sizeof(int));
                memset(merge, 0, MAX_PIPES * sizeof(bool));
                *vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, new_vlevel, split, merge);
                context->bw_ctx.dml.vba.VoltageLevel = *vlevel;
        } else {
                for (i = 0; i < pipe_cnt; i++)
                        pipes[i].pipe.dest.odm_combine_policy = cur_policy[i];
        }
}

static bool is_test_pattern_enabled(
                struct dc_state *context)
{
        int i;

        for (i = 0; i < context->stream_count; i++) {
                if (context->streams[i]->test_pattern.type != DP_TEST_PATTERN_VIDEO_MODE)
                        return true;
        }

        return false;
}

static bool dcn32_full_validate_bw_helper(struct dc *dc,
                                   struct dc_state *context,
                                   display_e2e_pipe_params_st *pipes,
                                   int *vlevel,
                                   int *split,
                                   bool *merge,
                                   int *pipe_cnt,
                                   bool *repopulate_pipes)
{
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
        unsigned int dc_pipe_idx = 0;
        int i = 0;
        bool found_supported_config = false;
        int vlevel_temp = 0;

        dc_assert_fp_enabled();

        /*
         * DML favors voltage over p-state, but we're more interested in
         * supporting p-state over voltage. We can't support p-state in
         * prefetch mode > 0 so try capping the prefetch mode to start.
         * Override present for testing.
         */
        if (dc->debug.dml_disallow_alternate_prefetch_modes)
                context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final =
                        dm_prefetch_support_uclk_fclk_and_stutter;
        else
                context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final =
                        dm_prefetch_support_uclk_fclk_and_stutter_if_possible;

        *vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);
        /* This may adjust vlevel and maxMpcComb */
        if (*vlevel < context->bw_ctx.dml.soc.num_states) {
                *vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, *vlevel, split, merge);
                vba->VoltageLevel = *vlevel;
        }

        /* Apply split and merge flags before checking for subvp */
        if (!dcn32_apply_merge_split_flags_helper(dc, context, repopulate_pipes, split, merge))
                return false;
        memset(split, 0, MAX_PIPES * sizeof(int));
        memset(merge, 0, MAX_PIPES * sizeof(bool));

        /* Conditions for setting up phantom pipes for SubVP:
         * 1. Not force disable SubVP
         * 2. Full update (i.e. DC_VALIDATE_MODE_AND_PROGRAMMING)
         * 3. Enough pipes are available to support SubVP (TODO: Which pipes will use VACTIVE / VBLANK / SUBVP?)
         * 4. Display configuration passes validation
         * 5. (Config doesn't support MCLK in VACTIVE/VBLANK || dc->debug.force_subvp_mclk_switch)
         */
        if (!dc->debug.force_disable_subvp && !dc->caps.dmub_caps.gecc_enable && dcn32_all_pipes_have_stream_and_plane(dc, context) &&
            !dcn32_mpo_in_use(context) && !dcn32_any_surfaces_rotated(dc, context) && !is_test_pattern_enabled(context) &&
                (*vlevel == context->bw_ctx.dml.soc.num_states || (vba->DRAMSpeedPerState[*vlevel] != vba->DRAMSpeedPerState[0] &&
                                vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] != dm_dram_clock_change_unsupported) ||
            vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported ||
            dc->debug.force_subvp_mclk_switch)) {

                vlevel_temp = *vlevel;

                while (!found_supported_config && dcn32_enough_pipes_for_subvp(dc, context) &&
                        dcn32_assign_subvp_pipe(dc, context, &dc_pipe_idx)) {
                        /* For the case where *vlevel = num_states, bandwidth validation has failed for this config.
                         * Adding phantom pipes won't change the validation result, so change the DML input param
                         * for P-State support before adding phantom pipes and recalculating the DML result.
                         * However, this case is only applicable for SubVP + DRR cases because the prefetch mode
                         * will not allow for switch in VBLANK. The DRR display must have it's VBLANK stretched
                         * enough to support MCLK switching.
                         */
                        if (*vlevel == context->bw_ctx.dml.soc.num_states &&
                                context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final ==
                                        dm_prefetch_support_uclk_fclk_and_stutter) {
                                context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final =
                                                                dm_prefetch_support_fclk_and_stutter;
                                /* There are params (such as FabricClock) that need to be recalculated
                                 * after validation fails (otherwise it will be 0). Calculation for
                                 * phantom vactive requires call into DML, so we must ensure all the
                                 * vba params are valid otherwise we'll get incorrect phantom vactive.
                                 */
                                *vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);
                        }

                        dc->res_pool->funcs->add_phantom_pipes(dc, context, pipes, *pipe_cnt, dc_pipe_idx);

                        *pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes,
                                DC_VALIDATE_MODE_AND_PROGRAMMING);
                        // Populate dppclk to trigger a recalculate in dml_get_voltage_level
                        // so the phantom pipe DLG params can be assigned correctly.
                        pipes[0].clks_cfg.dppclk_mhz = get_dppclk_calculated(&context->bw_ctx.dml, pipes, *pipe_cnt, 0);
                        *vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);

                        /* Check that vlevel requested supports pstate or not
                         * if not, select the lowest vlevel that supports it
                         */
                        for (i = *vlevel; i < context->bw_ctx.dml.soc.num_states; i++) {
                                if (vba->DRAMClockChangeSupport[i][vba->maxMpcComb] != dm_dram_clock_change_unsupported) {
                                        *vlevel = i;
                                        break;
                                }
                        }

                        if (*vlevel < context->bw_ctx.dml.soc.num_states
                            && subvp_validate_static_schedulability(dc, context, *vlevel))
                                found_supported_config = true;
                        if (found_supported_config) {
                                // For SubVP + DRR cases, we can force the lowest vlevel that supports the mode
                                if (dcn32_subvp_drr_admissable(dc, context) && subvp_drr_schedulable(dc, context)) {
                                        /* find lowest vlevel that supports the config */
                                        for (i = *vlevel; i >= 0; i--) {
                                                if (vba->ModeSupport[i][vba->maxMpcComb]) {
                                                        *vlevel = i;
                                                } else {
                                                        break;
                                                }
                                        }
                                }
                        }
                }

                if (vba->DRAMSpeedPerState[*vlevel] >= vba->DRAMSpeedPerState[vlevel_temp])
                        found_supported_config = false;

                // If SubVP pipe config is unsupported (or cannot be used for UCLK switching)
                // remove phantom pipes and repopulate dml pipes
                if (!found_supported_config) {
                        dc_state_remove_phantom_streams_and_planes(dc, context);
                        dc_state_release_phantom_streams_and_planes(dc, context);
                        vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] = dm_dram_clock_change_unsupported;
                        *pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes,
                                DC_VALIDATE_MODE_AND_PROGRAMMING);

                        *vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);
                        /* This may adjust vlevel and maxMpcComb */
                        if (*vlevel < context->bw_ctx.dml.soc.num_states) {
                                *vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, *vlevel, split, merge);
                                vba->VoltageLevel = *vlevel;
                        }
                } else {
                        // Most populate phantom DLG params before programming hardware / timing for phantom pipe
                        dcn32_helper_populate_phantom_dlg_params(dc, context, pipes, *pipe_cnt);

                        /* Call validate_apply_pipe_split flags after calling DML getters for
                         * phantom dlg params, or some of the VBA params indicating pipe split
                         * can be overwritten by the getters.
                         *
                         * When setting up SubVP config, all pipes are merged before attempting to
                         * add phantom pipes. If pipe split (ODM / MPC) is required, both the main
                         * and phantom pipes will be split in the regular pipe splitting sequence.
                         */
                        *vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, *vlevel, split, merge);
                        vba->VoltageLevel = *vlevel;
                        // Note: We can't apply the phantom pipes to hardware at this time. We have to wait
                        // until driver has acquired the DMCUB lock to do it safely.
                        assign_subvp_index(dc, context);
                }
        }

        if (should_apply_odm_power_optimization(dc, context, vba, split, merge))
                try_odm_power_optimization_and_revalidate(
                                dc, context, pipes, split, merge, vlevel, *pipe_cnt);

        return true;
}

static bool is_dtbclk_required(struct dc *dc, struct dc_state *context)
{
        int i;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                if (!context->res_ctx.pipe_ctx[i].stream)
                        continue;
                if (dc->link_srv->dp_is_128b_132b_signal(&context->res_ctx.pipe_ctx[i]))
                        return true;
        }
        return false;
}

static void dcn20_adjust_freesync_v_startup(const struct dc_crtc_timing *dc_crtc_timing, int *vstartup_start)
{
        struct dc_crtc_timing patched_crtc_timing;
        uint32_t asic_blank_end   = 0;
        uint32_t asic_blank_start = 0;
        uint32_t newVstartup      = 0;

        patched_crtc_timing = *dc_crtc_timing;

        if (patched_crtc_timing.flags.INTERLACE == 1) {
                if (patched_crtc_timing.v_front_porch < 2)
                        patched_crtc_timing.v_front_porch = 2;
        } else {
                if (patched_crtc_timing.v_front_porch < 1)
                        patched_crtc_timing.v_front_porch = 1;
        }

        /* blank_start = frame end - front porch */
        asic_blank_start = patched_crtc_timing.v_total -
                                        patched_crtc_timing.v_front_porch;

        /* blank_end = blank_start - active */
        asic_blank_end = asic_blank_start -
                                        patched_crtc_timing.v_border_bottom -
                                        patched_crtc_timing.v_addressable -
                                        patched_crtc_timing.v_border_top;

        newVstartup = asic_blank_end + (patched_crtc_timing.v_total - asic_blank_start);

        *vstartup_start = ((newVstartup > *vstartup_start) ? newVstartup : *vstartup_start);
}

static void dcn32_calculate_dlg_params(struct dc *dc, struct dc_state *context,
                                       display_e2e_pipe_params_st *pipes,
                                       int pipe_cnt, int vlevel)
{
        int i, pipe_idx, active_hubp_count = 0;
        bool usr_retraining_support = false;
        bool unbounded_req_enabled = false;
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;

        dc_assert_fp_enabled();

        /* Writeback MCIF_WB arbitration parameters */
        dc->res_pool->funcs->set_mcif_arb_params(dc, context, pipes, pipe_cnt);

        context->bw_ctx.bw.dcn.clk.dispclk_khz = context->bw_ctx.dml.vba.DISPCLK * 1000;
        context->bw_ctx.bw.dcn.clk.dcfclk_khz = context->bw_ctx.dml.vba.DCFCLK * 1000;
        context->bw_ctx.bw.dcn.clk.socclk_khz = context->bw_ctx.dml.vba.SOCCLK * 1000;
        context->bw_ctx.bw.dcn.clk.dramclk_khz = context->bw_ctx.dml.vba.DRAMSpeed * 1000 / 16;
        context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = context->bw_ctx.dml.vba.DCFCLKDeepSleep * 1000;
        context->bw_ctx.bw.dcn.clk.fclk_khz = context->bw_ctx.dml.vba.FabricClock * 1000;
        context->bw_ctx.bw.dcn.clk.p_state_change_support =
                        context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb]
                                        != dm_dram_clock_change_unsupported;

        /* Pstate change might not be supported by hardware, but it might be
         * possible with firmware driven vertical blank stretching.
         */
        context->bw_ctx.bw.dcn.clk.p_state_change_support |= context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching;

        context->bw_ctx.bw.dcn.clk.dppclk_khz = 0;
        context->bw_ctx.bw.dcn.clk.dtbclk_en = is_dtbclk_required(dc, context);
        context->bw_ctx.bw.dcn.clk.ref_dtbclk_khz = context->bw_ctx.dml.vba.DTBCLKPerState[vlevel] * 1000;
        if (context->bw_ctx.dml.vba.FCLKChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] == dm_fclock_change_unsupported)
                context->bw_ctx.bw.dcn.clk.fclk_p_state_change_support = false;
        else
                context->bw_ctx.bw.dcn.clk.fclk_p_state_change_support = true;

        usr_retraining_support = context->bw_ctx.dml.vba.USRRetrainingSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
        ASSERT(usr_retraining_support);

        if (context->bw_ctx.bw.dcn.clk.dispclk_khz < dc->debug.min_disp_clk_khz)
                context->bw_ctx.bw.dcn.clk.dispclk_khz = dc->debug.min_disp_clk_khz;

        unbounded_req_enabled = get_unbounded_request_enabled(&context->bw_ctx.dml, pipes, pipe_cnt);

        if (unbounded_req_enabled && pipe_cnt > 1) {
                // Unbounded requesting should not ever be used when more than 1 pipe is enabled.
                ASSERT(false);
                unbounded_req_enabled = false;
        }

        context->bw_ctx.bw.dcn.mall_ss_size_bytes = 0;
        context->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes = 0;
        context->bw_ctx.bw.dcn.mall_subvp_size_bytes = 0;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                if (!context->res_ctx.pipe_ctx[i].stream)
                        continue;
                if (context->res_ctx.pipe_ctx[i].plane_state)
                        active_hubp_count++;
                pipes[pipe_idx].pipe.dest.vstartup_start = get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt,
                                pipe_idx);
                pipes[pipe_idx].pipe.dest.vupdate_offset = get_vupdate_offset(&context->bw_ctx.dml, pipes, pipe_cnt,
                                pipe_idx);
                pipes[pipe_idx].pipe.dest.vupdate_width = get_vupdate_width(&context->bw_ctx.dml, pipes, pipe_cnt,
                                pipe_idx);
                pipes[pipe_idx].pipe.dest.vready_offset = get_vready_offset(&context->bw_ctx.dml, pipes, pipe_cnt,
                                pipe_idx);

                if (dc_state_get_pipe_subvp_type(context, &context->res_ctx.pipe_ctx[i]) == SUBVP_PHANTOM) {
                        // Phantom pipe requires that DET_SIZE = 0 and no unbounded requests
                        context->res_ctx.pipe_ctx[i].det_buffer_size_kb = 0;
                        context->res_ctx.pipe_ctx[i].unbounded_req = false;
                } else {
                        context->res_ctx.pipe_ctx[i].det_buffer_size_kb = get_det_buffer_size_kbytes(&context->bw_ctx.dml, pipes, pipe_cnt,
                                                        pipe_idx);
                        context->res_ctx.pipe_ctx[i].unbounded_req = unbounded_req_enabled;
                }

                if (context->bw_ctx.bw.dcn.clk.dppclk_khz < pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
                        context->bw_ctx.bw.dcn.clk.dppclk_khz = pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
                if (context->res_ctx.pipe_ctx[i].plane_state)
                        context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz = pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
                else
                        context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz = 0;
                context->res_ctx.pipe_ctx[i].pipe_dlg_param = pipes[pipe_idx].pipe.dest;

                context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes = get_surface_size_in_mall(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);

                if (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] > 0)
                        context->res_ctx.pipe_ctx[i].has_vactive_margin = true;
                else
                        context->res_ctx.pipe_ctx[i].has_vactive_margin = false;

                /* MALL Allocation Sizes */
                /* count from active, top pipes per plane only */
                if (context->res_ctx.pipe_ctx[i].stream && context->res_ctx.pipe_ctx[i].plane_state &&
                                (context->res_ctx.pipe_ctx[i].top_pipe == NULL ||
                                context->res_ctx.pipe_ctx[i].plane_state != context->res_ctx.pipe_ctx[i].top_pipe->plane_state) &&
                                context->res_ctx.pipe_ctx[i].prev_odm_pipe == NULL) {
                        /* SS: all active surfaces stored in MALL */
                        if (dc_state_get_pipe_subvp_type(context, &context->res_ctx.pipe_ctx[i]) != SUBVP_PHANTOM) {
                                context->bw_ctx.bw.dcn.mall_ss_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;

                                if (context->res_ctx.pipe_ctx[i].stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED) {
                                        /* SS PSR On: all active surfaces part of streams not supporting PSR stored in MALL */
                                        context->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;
                                }
                        } else {
                                /* SUBVP: phantom surfaces only stored in MALL */
                                context->bw_ctx.bw.dcn.mall_subvp_size_bytes += context->res_ctx.pipe_ctx[i].surface_size_in_mall_bytes;
                        }
                }

                if (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid)
                        dcn20_adjust_freesync_v_startup(
                                &context->res_ctx.pipe_ctx[i].stream->timing,
                                &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start);

                pipe_idx++;
        }
        /* If DCN isn't making memory requests we can allow pstate change and lower clocks */
        if (!active_hubp_count) {
                context->bw_ctx.bw.dcn.clk.socclk_khz = 0;
                context->bw_ctx.bw.dcn.clk.dppclk_khz = 0;
                context->bw_ctx.bw.dcn.clk.dcfclk_khz = 0;
                context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = 0;
                context->bw_ctx.bw.dcn.clk.dramclk_khz = 0;
                context->bw_ctx.bw.dcn.clk.fclk_khz = 0;
                context->bw_ctx.bw.dcn.clk.p_state_change_support = true;
                context->bw_ctx.bw.dcn.clk.fclk_p_state_change_support = true;
        }
        /*save a original dppclock copy*/
        context->bw_ctx.bw.dcn.clk.bw_dppclk_khz = context->bw_ctx.bw.dcn.clk.dppclk_khz;
        context->bw_ctx.bw.dcn.clk.bw_dispclk_khz = context->bw_ctx.bw.dcn.clk.dispclk_khz;
        context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz = context->bw_ctx.dml.soc.clock_limits[vlevel].dppclk_mhz
                        * 1000;
        context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz = context->bw_ctx.dml.soc.clock_limits[vlevel].dispclk_mhz
                        * 1000;

        context->bw_ctx.bw.dcn.clk.num_ways = dcn32_helper_calculate_num_ways_for_subvp(dc, context);

        context->bw_ctx.bw.dcn.compbuf_size_kb = context->bw_ctx.dml.ip.config_return_buffer_size_in_kbytes;

        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                if (context->res_ctx.pipe_ctx[i].stream)
                        context->bw_ctx.bw.dcn.compbuf_size_kb -= context->res_ctx.pipe_ctx[i].det_buffer_size_kb;
        }

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {

                if (!context->res_ctx.pipe_ctx[i].stream)
                        continue;

                context->bw_ctx.dml.funcs.rq_dlg_get_dlg_reg_v2(&context->bw_ctx.dml,
                                &context->res_ctx.pipe_ctx[i].dlg_regs, &context->res_ctx.pipe_ctx[i].ttu_regs, pipes,
                                pipe_cnt, pipe_idx);

                context->bw_ctx.dml.funcs.rq_dlg_get_rq_reg_v2(&context->res_ctx.pipe_ctx[i].rq_regs,
                                &context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
                pipe_idx++;
        }
}

static struct pipe_ctx *dcn32_find_split_pipe(
                struct dc *dc,
                struct dc_state *context,
                int old_index)
{
        struct pipe_ctx *pipe = NULL;
        int i;

        if (old_index >= 0 && context->res_ctx.pipe_ctx[old_index].stream == NULL) {
                pipe = &context->res_ctx.pipe_ctx[old_index];
                pipe->pipe_idx = old_index;
        }

        if (!pipe)
                for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
                        if (dc->current_state->res_ctx.pipe_ctx[i].top_pipe == NULL
                                        && dc->current_state->res_ctx.pipe_ctx[i].prev_odm_pipe == NULL) {
                                if (context->res_ctx.pipe_ctx[i].stream == NULL) {
                                        pipe = &context->res_ctx.pipe_ctx[i];
                                        pipe->pipe_idx = i;
                                        break;
                                }
                        }
                }

        /*
         * May need to fix pipes getting tossed from 1 opp to another on flip
         * Add for debugging transient underflow during topology updates:
         * ASSERT(pipe);
         */
        if (!pipe)
                for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
                        if (context->res_ctx.pipe_ctx[i].stream == NULL) {
                                pipe = &context->res_ctx.pipe_ctx[i];
                                pipe->pipe_idx = i;
                                break;
                        }
                }

        return pipe;
}

static bool dcn32_split_stream_for_mpc_or_odm(
                const struct dc *dc,
                struct resource_context *res_ctx,
                struct pipe_ctx *pri_pipe,
                struct pipe_ctx *sec_pipe,
                bool odm)
{
        int pipe_idx = sec_pipe->pipe_idx;
        const struct resource_pool *pool = dc->res_pool;

        DC_LOGGER_INIT(dc->ctx->logger);

        if (odm && pri_pipe->plane_state) {
                /* ODM + window MPO, where MPO window is on left half only */
                if (pri_pipe->plane_state->clip_rect.x + pri_pipe->plane_state->clip_rect.width <=
                                pri_pipe->stream->src.x + pri_pipe->stream->src.width/2) {

                        DC_LOG_SCALER("%s - ODM + window MPO(left). pri_pipe:%d\n",
                                        __func__,
                                        pri_pipe->pipe_idx);
                        return true;
                }

                /* ODM + window MPO, where MPO window is on right half only */
                if (pri_pipe->plane_state->clip_rect.x >= pri_pipe->stream->src.x +  pri_pipe->stream->src.width/2) {

                        DC_LOG_SCALER("%s - ODM + window MPO(right). pri_pipe:%d\n",
                                        __func__,
                                        pri_pipe->pipe_idx);
                        return true;
                }
        }

        *sec_pipe = *pri_pipe;

        sec_pipe->pipe_idx = pipe_idx;
        sec_pipe->plane_res.mi = pool->mis[pipe_idx];
        sec_pipe->plane_res.hubp = pool->hubps[pipe_idx];
        sec_pipe->plane_res.ipp = pool->ipps[pipe_idx];
        sec_pipe->plane_res.xfm = pool->transforms[pipe_idx];
        sec_pipe->plane_res.dpp = pool->dpps[pipe_idx];
        sec_pipe->plane_res.mpcc_inst = pool->dpps[pipe_idx]->inst;
        sec_pipe->stream_res.dsc = NULL;
        if (odm) {
                if (pri_pipe->next_odm_pipe) {
                        ASSERT(pri_pipe->next_odm_pipe != sec_pipe);
                        sec_pipe->next_odm_pipe = pri_pipe->next_odm_pipe;
                        sec_pipe->next_odm_pipe->prev_odm_pipe = sec_pipe;
                }
                if (pri_pipe->top_pipe && pri_pipe->top_pipe->next_odm_pipe) {
                        pri_pipe->top_pipe->next_odm_pipe->bottom_pipe = sec_pipe;
                        sec_pipe->top_pipe = pri_pipe->top_pipe->next_odm_pipe;
                }
                if (pri_pipe->bottom_pipe && pri_pipe->bottom_pipe->next_odm_pipe) {
                        pri_pipe->bottom_pipe->next_odm_pipe->top_pipe = sec_pipe;
                        sec_pipe->bottom_pipe = pri_pipe->bottom_pipe->next_odm_pipe;
                }
                pri_pipe->next_odm_pipe = sec_pipe;
                sec_pipe->prev_odm_pipe = pri_pipe;
                ASSERT(sec_pipe->top_pipe == NULL);

                if (!sec_pipe->top_pipe)
                        sec_pipe->stream_res.opp = pool->opps[pipe_idx];
                else
                        sec_pipe->stream_res.opp = sec_pipe->top_pipe->stream_res.opp;
                if (sec_pipe->stream->timing.flags.DSC == 1) {
                        dcn20_acquire_dsc(dc, res_ctx, &sec_pipe->stream_res.dsc, pipe_idx);
                        ASSERT(sec_pipe->stream_res.dsc);
                        if (sec_pipe->stream_res.dsc == NULL)
                                return false;
                }
        } else {
                if (pri_pipe->bottom_pipe) {
                        ASSERT(pri_pipe->bottom_pipe != sec_pipe);
                        sec_pipe->bottom_pipe = pri_pipe->bottom_pipe;
                        sec_pipe->bottom_pipe->top_pipe = sec_pipe;
                }
                pri_pipe->bottom_pipe = sec_pipe;
                sec_pipe->top_pipe = pri_pipe;

                ASSERT(pri_pipe->plane_state);
        }

        return true;
}

static bool dcn32_apply_merge_split_flags_helper(
                struct dc *dc,
                struct dc_state *context,
                bool *repopulate_pipes,
                int *split,
                bool *merge)
{
        int i, pipe_idx;
        bool newly_split[MAX_PIPES] = { false };
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;

        if (dc->config.enable_windowed_mpo_odm) {
                if (update_pipes_with_split_flags(
                        dc, context, vba, split, merge))
                        *repopulate_pipes = true;
        } else {

                /* the code below will be removed once windowed mpo odm is fully
                 * enabled.
                 */
                /* merge pipes if necessary */
                for (i = 0; i < dc->res_pool->pipe_count; i++) {
                        struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                        /*skip pipes that don't need merging*/
                        if (!merge[i])
                                continue;

                        /* if ODM merge we ignore mpc tree, mpo pipes will have their own flags */
                        if (pipe->prev_odm_pipe) {
                                /*split off odm pipe*/
                                pipe->prev_odm_pipe->next_odm_pipe = pipe->next_odm_pipe;
                                if (pipe->next_odm_pipe)
                                        pipe->next_odm_pipe->prev_odm_pipe = pipe->prev_odm_pipe;

                                /*2:1ODM+MPC Split MPO to Single Pipe + MPC Split MPO*/
                                if (pipe->bottom_pipe) {
                                        if (pipe->bottom_pipe->prev_odm_pipe || pipe->bottom_pipe->next_odm_pipe) {
                                                /*MPC split rules will handle this case*/
                                                pipe->bottom_pipe->top_pipe = NULL;
                                        } else {
                                                /* when merging an ODM pipes, the bottom MPC pipe must now point to
                                                 * the previous ODM pipe and its associated stream assets
                                                 */
                                                if (pipe->prev_odm_pipe->bottom_pipe) {
                                                        /* 3 plane MPO*/
                                                        pipe->bottom_pipe->top_pipe = pipe->prev_odm_pipe->bottom_pipe;
                                                        pipe->prev_odm_pipe->bottom_pipe->bottom_pipe = pipe->bottom_pipe;
                                                } else {
                                                        /* 2 plane MPO*/
                                                        pipe->bottom_pipe->top_pipe = pipe->prev_odm_pipe;
                                                        pipe->prev_odm_pipe->bottom_pipe = pipe->bottom_pipe;
                                                }

                                                memcpy(&pipe->bottom_pipe->stream_res, &pipe->bottom_pipe->top_pipe->stream_res, sizeof(struct stream_resource));
                                        }
                                }

                                if (pipe->top_pipe) {
                                        pipe->top_pipe->bottom_pipe = NULL;
                                }

                                pipe->bottom_pipe = NULL;
                                pipe->next_odm_pipe = NULL;
                                pipe->plane_state = NULL;
                                pipe->stream = NULL;
                                pipe->top_pipe = NULL;
                                pipe->prev_odm_pipe = NULL;
                                if (pipe->stream_res.dsc)
                                        dcn20_release_dsc(&context->res_ctx, dc->res_pool, &pipe->stream_res.dsc);
                                memset(&pipe->plane_res, 0, sizeof(pipe->plane_res));
                                memset(&pipe->stream_res, 0, sizeof(pipe->stream_res));
                                memset(&pipe->link_res, 0, sizeof(pipe->link_res));
                                *repopulate_pipes = true;
                        } else if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state) {
                                struct pipe_ctx *top_pipe = pipe->top_pipe;
                                struct pipe_ctx *bottom_pipe = pipe->bottom_pipe;

                                top_pipe->bottom_pipe = bottom_pipe;
                                if (bottom_pipe)
                                        bottom_pipe->top_pipe = top_pipe;

                                pipe->top_pipe = NULL;
                                pipe->bottom_pipe = NULL;
                                pipe->plane_state = NULL;
                                pipe->stream = NULL;
                                memset(&pipe->plane_res, 0, sizeof(pipe->plane_res));
                                memset(&pipe->stream_res, 0, sizeof(pipe->stream_res));
                                memset(&pipe->link_res, 0, sizeof(pipe->link_res));
                                *repopulate_pipes = true;
                        } else
                                ASSERT(0); /* Should never try to merge master pipe */

                }

                for (i = 0, pipe_idx = -1; i < dc->res_pool->pipe_count; i++) {
                        struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                        struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
                        struct pipe_ctx *hsplit_pipe = NULL;
                        bool odm;
                        int old_index = -1;

                        if (!pipe->stream || newly_split[i])
                                continue;

                        pipe_idx++;
                        odm = vba->ODMCombineEnabled[vba->pipe_plane[pipe_idx]] != dm_odm_combine_mode_disabled;

                        if (!pipe->plane_state && !odm)
                                continue;

                        if (split[i]) {
                                if (odm) {
                                        if (split[i] == 4 && old_pipe->next_odm_pipe && old_pipe->next_odm_pipe->next_odm_pipe)
                                                old_index = old_pipe->next_odm_pipe->next_odm_pipe->pipe_idx;
                                        else if (old_pipe->next_odm_pipe)
                                                old_index = old_pipe->next_odm_pipe->pipe_idx;
                                } else {
                                        if (split[i] == 4 && old_pipe->bottom_pipe && old_pipe->bottom_pipe->bottom_pipe &&
                                                        old_pipe->bottom_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
                                                old_index = old_pipe->bottom_pipe->bottom_pipe->pipe_idx;
                                        else if (old_pipe->bottom_pipe &&
                                                        old_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
                                                old_index = old_pipe->bottom_pipe->pipe_idx;
                                }
                                hsplit_pipe = dcn32_find_split_pipe(dc, context, old_index);
                                ASSERT(hsplit_pipe);
                                if (!hsplit_pipe)
                                        return false;

                                if (!dcn32_split_stream_for_mpc_or_odm(
                                                dc, &context->res_ctx,
                                                pipe, hsplit_pipe, odm))
                                        return false;

                                newly_split[hsplit_pipe->pipe_idx] = true;
                                *repopulate_pipes = true;
                        }
                        if (split[i] == 4) {
                                struct pipe_ctx *pipe_4to1;

                                if (odm && old_pipe->next_odm_pipe)
                                        old_index = old_pipe->next_odm_pipe->pipe_idx;
                                else if (!odm && old_pipe->bottom_pipe &&
                                                        old_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
                                        old_index = old_pipe->bottom_pipe->pipe_idx;
                                else
                                        old_index = -1;
                                pipe_4to1 = dcn32_find_split_pipe(dc, context, old_index);
                                ASSERT(pipe_4to1);
                                if (!pipe_4to1)
                                        return false;
                                if (!dcn32_split_stream_for_mpc_or_odm(
                                                dc, &context->res_ctx,
                                                pipe, pipe_4to1, odm))
                                        return false;
                                newly_split[pipe_4to1->pipe_idx] = true;

                                if (odm && old_pipe->next_odm_pipe && old_pipe->next_odm_pipe->next_odm_pipe
                                                && old_pipe->next_odm_pipe->next_odm_pipe->next_odm_pipe)
                                        old_index = old_pipe->next_odm_pipe->next_odm_pipe->next_odm_pipe->pipe_idx;
                                else if (!odm && old_pipe->bottom_pipe && old_pipe->bottom_pipe->bottom_pipe &&
                                                old_pipe->bottom_pipe->bottom_pipe->bottom_pipe &&
                                                old_pipe->bottom_pipe->bottom_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
                                        old_index = old_pipe->bottom_pipe->bottom_pipe->bottom_pipe->pipe_idx;
                                else
                                        old_index = -1;
                                pipe_4to1 = dcn32_find_split_pipe(dc, context, old_index);
                                ASSERT(pipe_4to1);
                                if (!pipe_4to1)
                                        return false;
                                if (!dcn32_split_stream_for_mpc_or_odm(
                                                dc, &context->res_ctx,
                                                hsplit_pipe, pipe_4to1, odm))
                                        return false;
                                newly_split[pipe_4to1->pipe_idx] = true;
                        }
                        if (odm)
                                dcn20_build_mapped_resource(dc, context, pipe->stream);
                }

                for (i = 0; i < dc->res_pool->pipe_count; i++) {
                        struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                        if (pipe->plane_state) {
                                if (!resource_build_scaling_params(pipe))
                                        return false;
                        }
                }

                for (i = 0; i < context->stream_count; i++) {
                        struct pipe_ctx *otg_master = resource_get_otg_master_for_stream(&context->res_ctx,
                                        context->streams[i]);

                        if (otg_master)
                                resource_build_test_pattern_params(&context->res_ctx, otg_master);
                }
        }
        return true;
}

bool dcn32_internal_validate_bw(struct dc *dc,
                                struct dc_state *context,
                                display_e2e_pipe_params_st *pipes,
                                int *pipe_cnt_out,
                                int *vlevel_out,
                                enum dc_validate_mode validate_mode)
{
        bool out = false;
        bool repopulate_pipes = false;
        int split[MAX_PIPES] = { 0 };
        bool merge[MAX_PIPES] = { false };
        int pipe_cnt, i, pipe_idx;
        int vlevel = context->bw_ctx.dml.soc.num_states;
        struct vba_vars_st *vba = &context->bw_ctx.dml.vba;

        dc_assert_fp_enabled();

        ASSERT(pipes);
        if (!pipes)
                return false;

        /* For each full update, remove all existing phantom pipes first */
        dc_state_remove_phantom_streams_and_planes(dc, context);
        dc_state_release_phantom_streams_and_planes(dc, context);

        dc->res_pool->funcs->update_soc_for_wm_a(dc, context);

        for (i = 0; i < context->stream_count; i++)
                resource_update_pipes_for_stream_with_slice_count(context, dc->current_state, dc->res_pool, context->streams[i], 1);
        pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes, validate_mode);

        if (!pipe_cnt) {
                out = true;
                goto validate_out;
        }

        dml_log_pipe_params(&context->bw_ctx.dml, pipes, pipe_cnt);
        context->bw_ctx.dml.soc.max_vratio_pre = dcn32_determine_max_vratio_prefetch(dc, context);

        if (validate_mode == DC_VALIDATE_MODE_AND_PROGRAMMING) {
                if (!dcn32_full_validate_bw_helper(dc, context, pipes, &vlevel, split, merge,
                        &pipe_cnt, &repopulate_pipes))
                        goto validate_fail;
        }

        if (validate_mode != DC_VALIDATE_MODE_AND_PROGRAMMING ||
                        (dc->debug.dml_disallow_alternate_prefetch_modes &&
                        (vlevel == context->bw_ctx.dml.soc.num_states ||
                                vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported))) {
                /*
                 * If dml_disallow_alternate_prefetch_modes is false, then we have already
                 * tried alternate prefetch modes during full validation.
                 *
                 * If mode is unsupported or there is no p-state support, then
                 * fall back to favouring voltage.
                 *
                 * If Prefetch mode 0 failed for this config, or passed with Max UCLK, then try
                 * to support with Prefetch mode 1 (dm_prefetch_support_fclk_and_stutter == 2)
                 */
                context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final =
                        dm_prefetch_support_none;

                context->bw_ctx.dml.validate_max_state = (validate_mode != DC_VALIDATE_MODE_AND_PROGRAMMING);
                vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);

                context->bw_ctx.dml.validate_max_state = false;

                if (vlevel < context->bw_ctx.dml.soc.num_states) {
                        memset(split, 0, sizeof(split));
                        memset(merge, 0, sizeof(merge));
                        vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge);
                        /* dcn20_validate_apply_pipe_split_flags can modify voltage level outside of DML */
                        vba->VoltageLevel = vlevel;
                }
        }

        dml_log_mode_support_params(&context->bw_ctx.dml);

        if (vlevel == context->bw_ctx.dml.soc.num_states)
                goto validate_fail;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                struct pipe_ctx *mpo_pipe = pipe->bottom_pipe;

                if (!pipe->stream)
                        continue;

                if (vba->ODMCombineEnabled[vba->pipe_plane[pipe_idx]] != dm_odm_combine_mode_disabled
                                && !dc->config.enable_windowed_mpo_odm
                                && pipe->plane_state && mpo_pipe
                                && memcmp(&mpo_pipe->plane_state->clip_rect,
                                                &pipe->stream->src,
                                                sizeof(struct rect)) != 0) {
                        ASSERT(mpo_pipe->plane_state != pipe->plane_state);
                        goto validate_fail;
                }
                pipe_idx++;
        }

        if (!dcn32_apply_merge_split_flags_helper(dc, context, &repopulate_pipes, split, merge))
                goto validate_fail;

        /* Actual dsc count per stream dsc validation*/
        if (!dcn20_validate_dsc(dc, context)) {
                vba->ValidationStatus[vba->soc.num_states] = DML_FAIL_DSC_VALIDATION_FAILURE;
                goto validate_fail;
        }

        if (repopulate_pipes) {
                int flag_max_mpc_comb = vba->maxMpcComb;
                int flag_vlevel = vlevel;
                int i;

                pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes, validate_mode);
                if (!dc->config.enable_windowed_mpo_odm)
                        dcn32_update_dml_pipes_odm_policy_based_on_context(dc, context, pipes);

                /* repopulate_pipes = 1 means the pipes were either split or merged. In this case
                 * we have to re-calculate the DET allocation and run through DML once more to
                 * ensure all the params are calculated correctly. We do not need to run the
                 * pipe split check again after this call (pipes are already split / merged).
                 * */
                context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final =
                                        dm_prefetch_support_uclk_fclk_and_stutter_if_possible;

                vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);

                if (vlevel == context->bw_ctx.dml.soc.num_states) {
                        /* failed after DET size changes */
                        goto validate_fail;
                } else if (flag_max_mpc_comb == 0 &&
                                flag_max_mpc_comb != context->bw_ctx.dml.vba.maxMpcComb) {
                        /* check the context constructed with pipe split flags is still valid*/
                        bool flags_valid = false;
                        for (i = flag_vlevel; i < context->bw_ctx.dml.soc.num_states; i++) {
                                if (vba->ModeSupport[i][flag_max_mpc_comb]) {
                                        vba->maxMpcComb = flag_max_mpc_comb;
                                        vba->VoltageLevel = i;
                                        vlevel = i;
                                        flags_valid = true;
                                        break;
                                }
                        }

                        /* this should never happen */
                        if (!flags_valid)
                                goto validate_fail;
                }
        }
        *vlevel_out = vlevel;
        *pipe_cnt_out = pipe_cnt;

        out = true;
        goto validate_out;

validate_fail:
        out = false;

validate_out:
        return out;
}


void dcn32_calculate_wm_and_dlg_fpu(struct dc *dc, struct dc_state *context,
                                display_e2e_pipe_params_st *pipes,
                                int pipe_cnt,
                                int vlevel)
{
        int i, pipe_idx, vlevel_temp = 0;
        double dcfclk = dcn3_2_soc.clock_limits[0].dcfclk_mhz;
        double dcfclk_from_validation = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
        double dram_speed_from_validation = context->bw_ctx.dml.vba.DRAMSpeed;
        double dcfclk_from_fw_based_mclk_switching = dcfclk_from_validation;
        bool pstate_en = context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] !=
                        dm_dram_clock_change_unsupported;
        unsigned int dummy_latency_index = 0;
        int maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb;
        unsigned int min_dram_speed_mts = context->bw_ctx.dml.vba.DRAMSpeed;
        bool subvp_in_use = dcn32_subvp_in_use(dc, context);
        unsigned int min_dram_speed_mts_margin;
        bool need_fclk_lat_as_dummy = false;
        bool is_subvp_p_drr = false;
        struct dc_stream_state *fpo_candidate_stream = NULL;
        struct dc_stream_status *stream_status = NULL;

        dc_assert_fp_enabled();

        /* need to find dummy latency index for subvp */
        if (subvp_in_use) {
                /* Override DRAMClockChangeSupport for SubVP + DRR case where the DRR cannot switch without stretching it's VBLANK */
                if (!pstate_en) {
                        context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] = dm_dram_clock_change_vblank_w_mall_sub_vp;
                        context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final = dm_prefetch_support_fclk_and_stutter;
                        pstate_en = true;
                        is_subvp_p_drr = true;
                }
                dummy_latency_index = dcn32_find_dummy_latency_index_for_fw_based_mclk_switch(dc,
                                                context, pipes, pipe_cnt, vlevel);

                /* For DCN32/321 need to validate with fclk pstate change latency equal to dummy so prefetch is
                 * scheduled correctly to account for dummy pstate.
                 */
                if (context->bw_ctx.dml.soc.fclk_change_latency_us < dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us) {
                        need_fclk_lat_as_dummy = true;
                        context->bw_ctx.dml.soc.fclk_change_latency_us =
                                        dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;
                }
                context->bw_ctx.dml.soc.dram_clock_change_latency_us =
                                                        dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
                dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, DC_VALIDATE_MODE_AND_PROGRAMMING);
                maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb;
                if (is_subvp_p_drr) {
                        context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] = dm_dram_clock_change_vblank_w_mall_sub_vp;
                }
        }

        context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching = false;
        for (i = 0; i < context->stream_count; i++) {
                stream_status = NULL;
                if (context->streams[i])
                        stream_status = dc_state_get_stream_status(context, context->streams[i]);
                if (stream_status)
                        stream_status->fpo_in_use = false;
        }

        if (!pstate_en || (!dc->debug.disable_fpo_optimizations &&
                        pstate_en && vlevel != 0)) {
                /* only when the mclk switch can not be natural, is the fw based vblank stretch attempted */
                fpo_candidate_stream = dcn32_can_support_mclk_switch_using_fw_based_vblank_stretch(dc, context);
                if (fpo_candidate_stream) {
                        stream_status = dc_state_get_stream_status(context, fpo_candidate_stream);
                        if (stream_status)
                                stream_status->fpo_in_use = true;
                        context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching = true;
                }

                if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) {
                        dummy_latency_index = dcn32_find_dummy_latency_index_for_fw_based_mclk_switch(dc,
                                context, pipes, pipe_cnt, vlevel);

                        /* After calling dcn30_find_dummy_latency_index_for_fw_based_mclk_switch
                         * we reinstate the original dram_clock_change_latency_us on the context
                         * and all variables that may have changed up to this point, except the
                         * newly found dummy_latency_index
                         */
                        context->bw_ctx.dml.soc.dram_clock_change_latency_us =
                                        dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
                        /* For DCN32/321 need to validate with fclk pstate change latency equal to dummy so
                         * prefetch is scheduled correctly to account for dummy pstate.
                         */
                        if (context->bw_ctx.dml.soc.fclk_change_latency_us < dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us) {
                                need_fclk_lat_as_dummy = true;
                                context->bw_ctx.dml.soc.fclk_change_latency_us =
                                                dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;
                        }
                        dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel_temp,
                                DC_VALIDATE_MODE_AND_PROGRAMMING);
                        if (vlevel_temp < vlevel) {
                                vlevel = vlevel_temp;
                                maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb;
                                dcfclk_from_fw_based_mclk_switching = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
                                pstate_en = true;
                                context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] = dm_dram_clock_change_vblank;
                        } else {
                                /* Restore FCLK latency and re-run validation to go back to original validation
                                 * output if we find that enabling FPO does not give us any benefit (i.e. lower
                                 * voltage level)
                                 */
                                context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching = false;
                                for (i = 0; i < context->stream_count; i++) {
                                        stream_status = NULL;
                                        if (context->streams[i])
                                                stream_status = dc_state_get_stream_status(context, context->streams[i]);
                                        if (stream_status)
                                                stream_status->fpo_in_use = false;
                                }
                                context->bw_ctx.dml.soc.fclk_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.fclk_change_latency_us;
                                dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel,
                                        DC_VALIDATE_MODE_AND_PROGRAMMING);
                        }
                }
        }

        /* Set B:
         * For Set B calculations use clocks from clock_limits[2] when available i.e. when SMU is present,
         * otherwise use arbitrary low value from spreadsheet for DCFCLK as lower is safer for watermark
         * calculations to cover bootup clocks.
         * DCFCLK: soc.clock_limits[2] when available
         * UCLK: soc.clock_limits[2] when available
         */
        if (dcn3_2_soc.num_states > 2) {
                vlevel_temp = 2;
                dcfclk = dcn3_2_soc.clock_limits[2].dcfclk_mhz;
        } else
                dcfclk = 615; //DCFCLK Vmin_lv

        pipes[0].clks_cfg.voltage = vlevel_temp;
        pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
        pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel_temp].socclk_mhz;

        if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid) {
                context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us;
                context->bw_ctx.dml.soc.fclk_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.fclk_change_latency_us;
                context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us;
                context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us;
        }
        context->bw_ctx.bw.dcn.watermarks.b.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.fclk_pstate_change_ns = get_fclk_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.b.usr_retraining_ns = get_usr_retraining_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;

        /* Set D:
         * All clocks min.
         * DCFCLK: Min, as reported by PM FW when available
         * UCLK  : Min, as reported by PM FW when available
         * sr_enter_exit/sr_exit should be lower than used for DRAM (TBD after bringup or later, use as decided in Clk Mgr)
         */

        /*
        if (dcn3_2_soc.num_states > 2) {
                vlevel_temp = 0;
                dcfclk = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz;
        } else
                dcfclk = 615; //DCFCLK Vmin_lv

        pipes[0].clks_cfg.voltage = vlevel_temp;
        pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
        pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel_temp].socclk_mhz;

        if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].valid) {
                context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us;
                context->bw_ctx.dml.soc.fclk_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.fclk_change_latency_us;
                context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us;
                context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us;
        }
        context->bw_ctx.bw.dcn.watermarks.d.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.fclk_pstate_change_ns = get_fclk_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.d.usr_retraining_ns = get_usr_retraining_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        */

        /* Set C, for Dummy P-State:
         * All clocks min.
         * DCFCLK: Min, as reported by PM FW, when available
         * UCLK  : Min,  as reported by PM FW, when available
         * pstate latency as per UCLK state dummy pstate latency
         */

        // For Set A and Set C use values from validation
        pipes[0].clks_cfg.voltage = vlevel;
        pipes[0].clks_cfg.dcfclk_mhz = dcfclk_from_validation;
        pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].socclk_mhz;

        if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) {
                pipes[0].clks_cfg.dcfclk_mhz = dcfclk_from_fw_based_mclk_switching;
        }

        if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid) {
                min_dram_speed_mts = dram_speed_from_validation;
                min_dram_speed_mts_margin = 160;

                context->bw_ctx.dml.soc.dram_clock_change_latency_us =
                        dc->clk_mgr->bw_params->dummy_pstate_table[0].dummy_pstate_latency_us;

                if (context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] ==
                        dm_dram_clock_change_unsupported) {
                        int min_dram_speed_mts_offset = dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_memclk_levels - 1;

                        min_dram_speed_mts =
                                dc->clk_mgr->bw_params->clk_table.entries[min_dram_speed_mts_offset].memclk_mhz * 16;
                }

                if (!context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching && !subvp_in_use) {
                        /* find largest table entry that is lower than dram speed,
                         * but lower than DPM0 still uses DPM0
                         */
                        for (dummy_latency_index = 3; dummy_latency_index > 0; dummy_latency_index--)
                                if (min_dram_speed_mts + min_dram_speed_mts_margin >
                                        dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dram_speed_mts)
                                        break;
                }

                context->bw_ctx.dml.soc.dram_clock_change_latency_us =
                        dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;

                context->bw_ctx.dml.soc.fclk_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.fclk_change_latency_us;
                context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us;
                context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us;
        }

        context->bw_ctx.bw.dcn.watermarks.c.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        /* On DCN32/321, PMFW will set PSTATE_CHANGE_TYPE = 1 (FCLK) for UCLK dummy p-state.
         * In this case we must program FCLK WM Set C to use the UCLK dummy p-state WM
         * value.
         */
        context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.fclk_pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        context->bw_ctx.bw.dcn.watermarks.c.usr_retraining_ns = get_usr_retraining_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;

        if ((!pstate_en) && (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid)) {
                /* The only difference between A and C is p-state latency, if p-state is not supported
                 * with full p-state latency we want to calculate DLG based on dummy p-state latency,
                 * Set A p-state watermark set to 0 on DCN30, when p-state unsupported, for now keep as DCN30.
                 */
                context->bw_ctx.bw.dcn.watermarks.a = context->bw_ctx.bw.dcn.watermarks.c;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 0;
                /* Calculate FCLK p-state change watermark based on FCLK pstate change latency in case
                 * UCLK p-state is not supported, to avoid underflow in case FCLK pstate is supported
                 */
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.fclk_pstate_change_ns = get_fclk_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        } else {
                /* Set A:
                 * All clocks min.
                 * DCFCLK: Min, as reported by PM FW, when available
                 * UCLK: Min, as reported by PM FW, when available
                 */

                /* For set A set the correct latency values (i.e. non-dummy values) unconditionally
                 */
                context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
                context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us;
                context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us;

                context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.fclk_pstate_change_ns = get_fclk_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.usr_retraining_ns = get_usr_retraining_watermark(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
        }

        /* Make set D = set A since we do not optimized watermarks for MALL */
        context->bw_ctx.bw.dcn.watermarks.d = context->bw_ctx.bw.dcn.watermarks.a;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                if (!context->res_ctx.pipe_ctx[i].stream)
                        continue;

                pipes[pipe_idx].clks_cfg.dispclk_mhz = get_dispclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt);
                pipes[pipe_idx].clks_cfg.dppclk_mhz = get_dppclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);

                if (dc->config.forced_clocks) {
                        pipes[pipe_idx].clks_cfg.dispclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dispclk_mhz;
                        pipes[pipe_idx].clks_cfg.dppclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dppclk_mhz;
                }
                if (dc->debug.min_disp_clk_khz > pipes[pipe_idx].clks_cfg.dispclk_mhz * 1000)
                        pipes[pipe_idx].clks_cfg.dispclk_mhz = dc->debug.min_disp_clk_khz / 1000.0;
                if (dc->debug.min_dpp_clk_khz > pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
                        pipes[pipe_idx].clks_cfg.dppclk_mhz = dc->debug.min_dpp_clk_khz / 1000.0;

                pipe_idx++;
        }

        context->perf_params.stutter_period_us = context->bw_ctx.dml.vba.StutterPeriod;

        /* for proper prefetch calculations, if dummy lat > fclk lat, use fclk lat = dummy lat */
        if (need_fclk_lat_as_dummy)
                context->bw_ctx.dml.soc.fclk_change_latency_us =
                                dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;

        dcn32_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);

        if (!pstate_en)
                /* Restore full p-state latency */
                context->bw_ctx.dml.soc.dram_clock_change_latency_us =
                                dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;

        /* revert fclk lat changes if required */
        if (need_fclk_lat_as_dummy)
                context->bw_ctx.dml.soc.fclk_change_latency_us =
                                dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.fclk_change_latency_us;
}

static void dcn32_get_optimal_dcfclk_fclk_for_uclk(unsigned int uclk_mts,
                unsigned int *optimal_dcfclk,
                unsigned int *optimal_fclk)
{
        double bw_from_dram, bw_from_dram1, bw_from_dram2;

        bw_from_dram1 = uclk_mts * dcn3_2_soc.num_chans *
                dcn3_2_soc.dram_channel_width_bytes * (dcn3_2_soc.max_avg_dram_bw_use_normal_percent / 100);
        bw_from_dram2 = uclk_mts * dcn3_2_soc.num_chans *
                dcn3_2_soc.dram_channel_width_bytes * (dcn3_2_soc.max_avg_sdp_bw_use_normal_percent / 100);

        bw_from_dram = (bw_from_dram1 < bw_from_dram2) ? bw_from_dram1 : bw_from_dram2;

        if (optimal_fclk)
                *optimal_fclk = bw_from_dram /
                (dcn3_2_soc.fabric_datapath_to_dcn_data_return_bytes * (dcn3_2_soc.max_avg_sdp_bw_use_normal_percent / 100));

        if (optimal_dcfclk)
                *optimal_dcfclk =  bw_from_dram /
                (dcn3_2_soc.return_bus_width_bytes * (dcn3_2_soc.max_avg_sdp_bw_use_normal_percent / 100));
}

static void remove_entry_from_table_at_index(struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries,
                unsigned int index)
{
        int i;

        if (*num_entries == 0)
                return;

        for (i = index; i < *num_entries - 1; i++) {
                table[i] = table[i + 1];
        }
        memset(&table[--(*num_entries)], 0, sizeof(struct _vcs_dpi_voltage_scaling_st));
}

void dcn32_patch_dpm_table(struct clk_bw_params *bw_params)
{
        int i;
        unsigned int max_dcfclk_mhz = 0, max_dispclk_mhz = 0, max_dppclk_mhz = 0,
                        max_phyclk_mhz = 0, max_dtbclk_mhz = 0, max_fclk_mhz = 0, max_uclk_mhz = 0;

        for (i = 0; i < MAX_NUM_DPM_LVL; i++) {
                if (bw_params->clk_table.entries[i].dcfclk_mhz > max_dcfclk_mhz)
                        max_dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz;
                if (bw_params->clk_table.entries[i].fclk_mhz > max_fclk_mhz)
                        max_fclk_mhz = bw_params->clk_table.entries[i].fclk_mhz;
                if (bw_params->clk_table.entries[i].memclk_mhz > max_uclk_mhz)
                        max_uclk_mhz = bw_params->clk_table.entries[i].memclk_mhz;
                if (bw_params->clk_table.entries[i].dispclk_mhz > max_dispclk_mhz)
                        max_dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz;
                if (bw_params->clk_table.entries[i].dppclk_mhz > max_dppclk_mhz)
                        max_dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz;
                if (bw_params->clk_table.entries[i].phyclk_mhz > max_phyclk_mhz)
                        max_phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz;
                if (bw_params->clk_table.entries[i].dtbclk_mhz > max_dtbclk_mhz)
                        max_dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz;
        }

        /* Scan through clock values we currently have and if they are 0,
         *  then populate it with dcn3_2_soc.clock_limits[] value.
         *
         * Do it for DCFCLK, DISPCLK, DTBCLK and UCLK as any of those being
         *  0, will cause it to skip building the clock table.
         */
        if (max_dcfclk_mhz == 0)
                bw_params->clk_table.entries[0].dcfclk_mhz = dcn3_2_soc.clock_limits[0].dcfclk_mhz;
        if (max_dispclk_mhz == 0)
                bw_params->clk_table.entries[0].dispclk_mhz = dcn3_2_soc.clock_limits[0].dispclk_mhz;
        if (max_dtbclk_mhz == 0)
                bw_params->clk_table.entries[0].dtbclk_mhz = dcn3_2_soc.clock_limits[0].dtbclk_mhz;
        if (max_uclk_mhz == 0)
                bw_params->clk_table.entries[0].memclk_mhz = dcn3_2_soc.clock_limits[0].dram_speed_mts / 16;
}

static void swap_table_entries(struct _vcs_dpi_voltage_scaling_st *first_entry,
                struct _vcs_dpi_voltage_scaling_st *second_entry)
{
        struct _vcs_dpi_voltage_scaling_st temp_entry = *first_entry;
        *first_entry = *second_entry;
        *second_entry = temp_entry;
}

/*
 * sort_entries_with_same_bw - Sort entries sharing the same bandwidth by DCFCLK
 */
static void sort_entries_with_same_bw(struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries)
{
        unsigned int start_index = 0;
        unsigned int end_index = 0;
        unsigned int current_bw = 0;

        for (int i = 0; i < (*num_entries - 1); i++) {
                if (table[i].net_bw_in_kbytes_sec == table[i+1].net_bw_in_kbytes_sec) {
                        current_bw = table[i].net_bw_in_kbytes_sec;
                        start_index = i;
                        end_index = ++i;

                        while ((i < (*num_entries - 1)) && (table[i+1].net_bw_in_kbytes_sec == current_bw))
                                end_index = ++i;
                }

                if (start_index != end_index) {
                        for (int j = start_index; j < end_index; j++) {
                                for (int k = start_index; k < end_index; k++) {
                                        if (table[k].dcfclk_mhz > table[k+1].dcfclk_mhz)
                                                swap_table_entries(&table[k], &table[k+1]);
                                }
                        }
                }

                start_index = 0;
                end_index = 0;

        }
}

/*
 * remove_inconsistent_entries - Ensure entries with the same bandwidth have MEMCLK and FCLK monotonically increasing
 *                               and remove entries that do not
 */
static void remove_inconsistent_entries(struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries)
{
        for (int i = 0; i < (*num_entries - 1); i++) {
                if (table[i].net_bw_in_kbytes_sec == table[i+1].net_bw_in_kbytes_sec) {
                        if ((table[i].dram_speed_mts > table[i+1].dram_speed_mts) ||
                                (table[i].fabricclk_mhz > table[i+1].fabricclk_mhz))
                                remove_entry_from_table_at_index(table, num_entries, i);
                }
        }
}

/*
 * override_max_clk_values - Overwrite the max clock frequencies with the max DC mode timings
 * Input:
 *      max_clk_limit - struct containing the desired clock timings
 * Output:
 *      curr_clk_limit  - struct containing the timings that need to be overwritten
 * Return: 0 upon success, non-zero for failure
 */
static int override_max_clk_values(struct clk_limit_table_entry *max_clk_limit,
                struct clk_limit_table_entry *curr_clk_limit)
{
        if (NULL == max_clk_limit || NULL == curr_clk_limit)
                return -1; //invalid parameters

        //only overwrite if desired max clock frequency is initialized
        if (max_clk_limit->dcfclk_mhz != 0)
                curr_clk_limit->dcfclk_mhz = max_clk_limit->dcfclk_mhz;

        if (max_clk_limit->fclk_mhz != 0)
                curr_clk_limit->fclk_mhz = max_clk_limit->fclk_mhz;

        if (max_clk_limit->memclk_mhz != 0)
                curr_clk_limit->memclk_mhz = max_clk_limit->memclk_mhz;

        if (max_clk_limit->socclk_mhz != 0)
                curr_clk_limit->socclk_mhz = max_clk_limit->socclk_mhz;

        if (max_clk_limit->dtbclk_mhz != 0)
                curr_clk_limit->dtbclk_mhz = max_clk_limit->dtbclk_mhz;

        if (max_clk_limit->dispclk_mhz != 0)
                curr_clk_limit->dispclk_mhz = max_clk_limit->dispclk_mhz;

        return 0;
}

static int build_synthetic_soc_states(bool disable_dc_mode_overwrite, struct clk_bw_params *bw_params,
                struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries)
{
        int i, j;
        struct _vcs_dpi_voltage_scaling_st entry = {0};
        struct clk_limit_table_entry max_clk_data = {0};

        unsigned int min_dcfclk_mhz = 199, min_fclk_mhz = 299;

        static const unsigned int num_dcfclk_stas = 5;
        unsigned int dcfclk_sta_targets[DC__VOLTAGE_STATES] = {199, 615, 906, 1324, 1564};

        unsigned int num_uclk_dpms = 0;
        unsigned int num_fclk_dpms = 0;
        unsigned int num_dcfclk_dpms = 0;

        unsigned int num_dc_uclk_dpms = 0;
        unsigned int num_dc_fclk_dpms = 0;
        unsigned int num_dc_dcfclk_dpms = 0;

        for (i = 0; i < MAX_NUM_DPM_LVL; i++) {
                if (bw_params->clk_table.entries[i].dcfclk_mhz > max_clk_data.dcfclk_mhz)
                        max_clk_data.dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz;
                if (bw_params->clk_table.entries[i].fclk_mhz > max_clk_data.fclk_mhz)
                        max_clk_data.fclk_mhz = bw_params->clk_table.entries[i].fclk_mhz;
                if (bw_params->clk_table.entries[i].memclk_mhz > max_clk_data.memclk_mhz)
                        max_clk_data.memclk_mhz = bw_params->clk_table.entries[i].memclk_mhz;
                if (bw_params->clk_table.entries[i].dispclk_mhz > max_clk_data.dispclk_mhz)
                        max_clk_data.dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz;
                if (bw_params->clk_table.entries[i].dppclk_mhz > max_clk_data.dppclk_mhz)
                        max_clk_data.dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz;
                if (bw_params->clk_table.entries[i].phyclk_mhz > max_clk_data.phyclk_mhz)
                        max_clk_data.phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz;
                if (bw_params->clk_table.entries[i].dtbclk_mhz > max_clk_data.dtbclk_mhz)
                        max_clk_data.dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz;

                if (bw_params->clk_table.entries[i].memclk_mhz > 0) {
                        num_uclk_dpms++;
                        if (bw_params->clk_table.entries[i].memclk_mhz <= bw_params->dc_mode_limit.memclk_mhz)
                                num_dc_uclk_dpms++;
                }
                if (bw_params->clk_table.entries[i].fclk_mhz > 0) {
                        num_fclk_dpms++;
                        if (bw_params->clk_table.entries[i].fclk_mhz <= bw_params->dc_mode_limit.fclk_mhz)
                                num_dc_fclk_dpms++;
                }
                if (bw_params->clk_table.entries[i].dcfclk_mhz > 0) {
                        num_dcfclk_dpms++;
                        if (bw_params->clk_table.entries[i].dcfclk_mhz <= bw_params->dc_mode_limit.dcfclk_mhz)
                                num_dc_dcfclk_dpms++;
                }
        }

        if (!disable_dc_mode_overwrite) {
                //Overwrite max frequencies with max DC mode frequencies for DC mode systems
                override_max_clk_values(&bw_params->dc_mode_limit, &max_clk_data);
                num_uclk_dpms = num_dc_uclk_dpms;
                num_fclk_dpms = num_dc_fclk_dpms;
                num_dcfclk_dpms = num_dc_dcfclk_dpms;
                bw_params->clk_table.num_entries_per_clk.num_memclk_levels = num_uclk_dpms;
                bw_params->clk_table.num_entries_per_clk.num_fclk_levels = num_fclk_dpms;
        }

        if (num_dcfclk_dpms > 0 && bw_params->clk_table.entries[0].fclk_mhz > min_fclk_mhz)
                min_fclk_mhz = bw_params->clk_table.entries[0].fclk_mhz;

        if (!max_clk_data.dcfclk_mhz || !max_clk_data.dispclk_mhz || !max_clk_data.dtbclk_mhz)
                return -1;

        if (max_clk_data.dppclk_mhz == 0)
                max_clk_data.dppclk_mhz = max_clk_data.dispclk_mhz;

        if (max_clk_data.fclk_mhz == 0)
                max_clk_data.fclk_mhz = max_clk_data.dcfclk_mhz *
                                dcn3_2_soc.pct_ideal_sdp_bw_after_urgent /
                                dcn3_2_soc.pct_ideal_fabric_bw_after_urgent;

        if (max_clk_data.phyclk_mhz == 0)
                max_clk_data.phyclk_mhz = dcn3_2_soc.clock_limits[0].phyclk_mhz;

        *num_entries = 0;
        entry.dispclk_mhz = max_clk_data.dispclk_mhz;
        entry.dscclk_mhz = max_clk_data.dispclk_mhz / 3;
        entry.dppclk_mhz = max_clk_data.dppclk_mhz;
        entry.dtbclk_mhz = max_clk_data.dtbclk_mhz;
        entry.phyclk_mhz = max_clk_data.phyclk_mhz;
        entry.phyclk_d18_mhz = dcn3_2_soc.clock_limits[0].phyclk_d18_mhz;
        entry.phyclk_d32_mhz = dcn3_2_soc.clock_limits[0].phyclk_d32_mhz;

        // Insert all the DCFCLK STAs
        for (i = 0; i < num_dcfclk_stas; i++) {
                entry.dcfclk_mhz = dcfclk_sta_targets[i];
                entry.fabricclk_mhz = 0;
                entry.dram_speed_mts = 0;

                get_optimal_ntuple(&entry);
                entry.net_bw_in_kbytes_sec = calculate_net_bw_in_kbytes_sec(&entry);
                insert_entry_into_table_sorted(table, num_entries, &entry);
        }

        // Insert the max DCFCLK
        entry.dcfclk_mhz = max_clk_data.dcfclk_mhz;
        entry.fabricclk_mhz = 0;
        entry.dram_speed_mts = 0;

        get_optimal_ntuple(&entry);
        entry.net_bw_in_kbytes_sec = calculate_net_bw_in_kbytes_sec(&entry);
        insert_entry_into_table_sorted(table, num_entries, &entry);

        // Insert the UCLK DPMS
        for (i = 0; i < num_uclk_dpms; i++) {
                entry.dcfclk_mhz = 0;
                entry.fabricclk_mhz = 0;
                entry.dram_speed_mts = bw_params->clk_table.entries[i].memclk_mhz * 16;

                get_optimal_ntuple(&entry);
                entry.net_bw_in_kbytes_sec = calculate_net_bw_in_kbytes_sec(&entry);
                insert_entry_into_table_sorted(table, num_entries, &entry);
        }

        // If FCLK is coarse grained, insert individual DPMs.
        if (num_fclk_dpms > 2) {
                for (i = 0; i < num_fclk_dpms; i++) {
                        entry.dcfclk_mhz = 0;
                        entry.fabricclk_mhz = bw_params->clk_table.entries[i].fclk_mhz;
                        entry.dram_speed_mts = 0;

                        get_optimal_ntuple(&entry);
                        entry.net_bw_in_kbytes_sec = calculate_net_bw_in_kbytes_sec(&entry);
                        insert_entry_into_table_sorted(table, num_entries, &entry);
                }
        }
        // If FCLK fine grained, only insert max
        else {
                entry.dcfclk_mhz = 0;
                entry.fabricclk_mhz = max_clk_data.fclk_mhz;
                entry.dram_speed_mts = 0;

                get_optimal_ntuple(&entry);
                entry.net_bw_in_kbytes_sec = calculate_net_bw_in_kbytes_sec(&entry);
                insert_entry_into_table_sorted(table, num_entries, &entry);
        }

        // At this point, the table contains all "points of interest" based on
        // DPMs from PMFW, and STAs.  Table is sorted by BW, and all clock
        // ratios (by derate, are exact).

        // Remove states that require higher clocks than are supported
        for (i = *num_entries - 1; i >= 0 ; i--) {
                if (table[i].dcfclk_mhz > max_clk_data.dcfclk_mhz ||
                                table[i].fabricclk_mhz > max_clk_data.fclk_mhz ||
                                table[i].dram_speed_mts > max_clk_data.memclk_mhz * 16)
                        remove_entry_from_table_at_index(table, num_entries, i);
        }

        // Insert entry with all max dc limits without bandwidth matching
        if (!disable_dc_mode_overwrite) {
                struct _vcs_dpi_voltage_scaling_st max_dc_limits_entry = entry;

                max_dc_limits_entry.dcfclk_mhz = max_clk_data.dcfclk_mhz;
                max_dc_limits_entry.fabricclk_mhz = max_clk_data.fclk_mhz;
                max_dc_limits_entry.dram_speed_mts = max_clk_data.memclk_mhz * 16;

                max_dc_limits_entry.net_bw_in_kbytes_sec = calculate_net_bw_in_kbytes_sec(&max_dc_limits_entry);
                insert_entry_into_table_sorted(table, num_entries, &max_dc_limits_entry);

                sort_entries_with_same_bw(table, num_entries);
                remove_inconsistent_entries(table, num_entries);
        }

        // At this point, the table only contains supported points of interest
        // it could be used as is, but some states may be redundant due to
        // coarse grained nature of some clocks, so we want to round up to
        // coarse grained DPMs and remove duplicates.

        // Round up UCLKs
        for (i = *num_entries - 1; i >= 0 ; i--) {
                for (j = 0; j < num_uclk_dpms; j++) {
                        if (bw_params->clk_table.entries[j].memclk_mhz * 16 >= table[i].dram_speed_mts) {
                                table[i].dram_speed_mts = bw_params->clk_table.entries[j].memclk_mhz * 16;
                                break;
                        }
                }
        }

        // If FCLK is coarse grained, round up to next DPMs
        if (num_fclk_dpms > 2) {
                for (i = *num_entries - 1; i >= 0 ; i--) {
                        for (j = 0; j < num_fclk_dpms; j++) {
                                if (bw_params->clk_table.entries[j].fclk_mhz >= table[i].fabricclk_mhz) {
                                        table[i].fabricclk_mhz = bw_params->clk_table.entries[j].fclk_mhz;
                                        break;
                                }
                        }
                }
        }
        // Otherwise, round up to minimum.
        else {
                for (i = *num_entries - 1; i >= 0 ; i--) {
                        if (table[i].fabricclk_mhz < min_fclk_mhz) {
                                table[i].fabricclk_mhz = min_fclk_mhz;
                        }
                }
        }

        // Round DCFCLKs up to minimum
        for (i = *num_entries - 1; i >= 0 ; i--) {
                if (table[i].dcfclk_mhz < min_dcfclk_mhz) {
                        table[i].dcfclk_mhz = min_dcfclk_mhz;
                }
        }

        // Remove duplicate states, note duplicate states are always neighbouring since table is sorted.
        i = 0;
        while (i < *num_entries - 1) {
                if (table[i].dcfclk_mhz == table[i + 1].dcfclk_mhz &&
                                table[i].fabricclk_mhz == table[i + 1].fabricclk_mhz &&
                                table[i].dram_speed_mts == table[i + 1].dram_speed_mts)
                        remove_entry_from_table_at_index(table, num_entries, i + 1);
                else
                        i++;
        }

        // Fix up the state indicies
        for (i = *num_entries - 1; i >= 0 ; i--) {
                table[i].state = i;
        }

        return 0;
}

/*
 * dcn32_update_bw_bounding_box
 *
 * This would override some dcn3_2 ip_or_soc initial parameters hardcoded from
 * spreadsheet with actual values as per dGPU SKU:
 * - with passed few options from dc->config
 * - with dentist_vco_frequency from Clk Mgr (currently hardcoded, but might
 *   need to get it from PM FW)
 * - with passed latency values (passed in ns units) in dc-> bb override for
 *   debugging purposes
 * - with passed latencies from VBIOS (in 100_ns units) if available for
 *   certain dGPU SKU
 * - with number of DRAM channels from VBIOS (which differ for certain dGPU SKU
 *   of the same ASIC)
 * - clocks levels with passed clk_table entries from Clk Mgr as reported by PM
 *   FW for different clocks (which might differ for certain dGPU SKU of the
 *   same ASIC)
 */
void dcn32_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_params)
{
        dc_assert_fp_enabled();

        /* Overrides from dc->config options */
        dcn3_2_ip.clamp_min_dcfclk = dc->config.clamp_min_dcfclk;

        /* Override from passed dc->bb_overrides if available*/
        if ((int)(dcn3_2_soc.sr_exit_time_us * 1000) != dc->bb_overrides.sr_exit_time_ns
                        && dc->bb_overrides.sr_exit_time_ns) {
                dc->dml2_options.bbox_overrides.sr_exit_latency_us =
                dcn3_2_soc.sr_exit_time_us = dc->bb_overrides.sr_exit_time_ns / 1000.0;
        }

        if ((int)(dcn3_2_soc.sr_enter_plus_exit_time_us * 1000)
                        != dc->bb_overrides.sr_enter_plus_exit_time_ns
                        && dc->bb_overrides.sr_enter_plus_exit_time_ns) {
                dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us =
                dcn3_2_soc.sr_enter_plus_exit_time_us =
                        dc->bb_overrides.sr_enter_plus_exit_time_ns / 1000.0;
        }

        if ((int)(dcn3_2_soc.urgent_latency_us * 1000) != dc->bb_overrides.urgent_latency_ns
                && dc->bb_overrides.urgent_latency_ns) {
                dcn3_2_soc.urgent_latency_us = dc->bb_overrides.urgent_latency_ns / 1000.0;
                dc->dml2_options.bbox_overrides.urgent_latency_us =
                dcn3_2_soc.urgent_latency_pixel_data_only_us = dc->bb_overrides.urgent_latency_ns / 1000.0;
        }

        if ((int)(dcn3_2_soc.dram_clock_change_latency_us * 1000)
                        != dc->bb_overrides.dram_clock_change_latency_ns
                        && dc->bb_overrides.dram_clock_change_latency_ns) {
                dc->dml2_options.bbox_overrides.dram_clock_change_latency_us =
                dcn3_2_soc.dram_clock_change_latency_us =
                        dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;
        }

        if ((int)(dcn3_2_soc.fclk_change_latency_us * 1000)
                        != dc->bb_overrides.fclk_clock_change_latency_ns
                        && dc->bb_overrides.fclk_clock_change_latency_ns) {
                dc->dml2_options.bbox_overrides.fclk_change_latency_us =
                dcn3_2_soc.fclk_change_latency_us =
                        dc->bb_overrides.fclk_clock_change_latency_ns / 1000;
        }

        if ((int)(dcn3_2_soc.dummy_pstate_latency_us * 1000)
                        != dc->bb_overrides.dummy_clock_change_latency_ns
                        && dc->bb_overrides.dummy_clock_change_latency_ns) {
                dcn3_2_soc.dummy_pstate_latency_us =
                        dc->bb_overrides.dummy_clock_change_latency_ns / 1000.0;
        }

        /* Override from VBIOS if VBIOS bb_info available */
        if (dc->ctx->dc_bios->funcs->get_soc_bb_info) {
                struct bp_soc_bb_info bb_info = {0};

                if (dc->ctx->dc_bios->funcs->get_soc_bb_info(dc->ctx->dc_bios, &bb_info) == BP_RESULT_OK) {
                        if (bb_info.dram_clock_change_latency_100ns > 0)
                                dc->dml2_options.bbox_overrides.dram_clock_change_latency_us =
                                dcn3_2_soc.dram_clock_change_latency_us =
                                        bb_info.dram_clock_change_latency_100ns * 10;

                        if (bb_info.dram_sr_enter_exit_latency_100ns > 0)
                                dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us =
                                dcn3_2_soc.sr_enter_plus_exit_time_us =
                                        bb_info.dram_sr_enter_exit_latency_100ns * 10;

                        if (bb_info.dram_sr_exit_latency_100ns > 0)
                                dc->dml2_options.bbox_overrides.sr_exit_latency_us =
                                dcn3_2_soc.sr_exit_time_us =
                                        bb_info.dram_sr_exit_latency_100ns * 10;
                }
        }

        /* Override from VBIOS for num_chan */
        if (dc->ctx->dc_bios->vram_info.num_chans) {
                dc->dml2_options.bbox_overrides.dram_num_chan =
                dcn3_2_soc.num_chans = dc->ctx->dc_bios->vram_info.num_chans;
                dcn3_2_soc.mall_allocated_for_dcn_mbytes = (double)(dcn32_calc_num_avail_chans_for_mall(dc,
                        dc->ctx->dc_bios->vram_info.num_chans) * dc->caps.mall_size_per_mem_channel);
        }

        if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes)
                dc->dml2_options.bbox_overrides.dram_chanel_width_bytes =
                dcn3_2_soc.dram_channel_width_bytes = dc->ctx->dc_bios->vram_info.dram_channel_width_bytes;

        /* DML DSC delay factor workaround */
        dcn3_2_ip.dsc_delay_factor_wa = dc->debug.dsc_delay_factor_wa_x1000 / 1000.0;

        dcn3_2_ip.min_prefetch_in_strobe_us = dc->debug.min_prefetch_in_strobe_ns / 1000.0;

        /* Override dispclk_dppclk_vco_speed_mhz from Clk Mgr */
        dcn3_2_soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
        dc->dml.soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
        dc->dml2_options.bbox_overrides.disp_pll_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
        dc->dml2_options.bbox_overrides.xtalclk_mhz = dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency / 1000.0;
        dc->dml2_options.bbox_overrides.dchub_refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
        dc->dml2_options.bbox_overrides.dprefclk_mhz = dc->clk_mgr->dprefclk_khz / 1000.0;

        /* Overrides Clock levelsfrom CLK Mgr table entries as reported by PM FW */
        if (bw_params->clk_table.entries[0].memclk_mhz) {
                if (dc->debug.use_legacy_soc_bb_mechanism) {
                        unsigned int i = 0, j = 0, num_states = 0;

                        unsigned int dcfclk_mhz[DC__VOLTAGE_STATES] = {0};
                        unsigned int dram_speed_mts[DC__VOLTAGE_STATES] = {0};
                        unsigned int optimal_uclk_for_dcfclk_sta_targets[DC__VOLTAGE_STATES] = {0};
                        unsigned int optimal_dcfclk_for_uclk[DC__VOLTAGE_STATES] = {0};
                        unsigned int min_dcfclk = UINT_MAX;
                        /* Set 199 as first value in STA target array to have a minimum DCFCLK value.
                         * For DCN32 we set min to 199 so minimum FCLK DPM0 (300Mhz can be achieved) */
                        unsigned int dcfclk_sta_targets[DC__VOLTAGE_STATES] = {199, 615, 906, 1324, 1564};
                        unsigned int num_dcfclk_sta_targets = 4, num_uclk_states = 0;
                        unsigned int max_dcfclk_mhz = 0, max_dispclk_mhz = 0, max_dppclk_mhz = 0, max_phyclk_mhz = 0;

                        for (i = 0; i < MAX_NUM_DPM_LVL; i++) {
                                if (bw_params->clk_table.entries[i].dcfclk_mhz > max_dcfclk_mhz)
                                        max_dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz;
                                if (bw_params->clk_table.entries[i].dcfclk_mhz != 0 &&
                                                bw_params->clk_table.entries[i].dcfclk_mhz < min_dcfclk)
                                        min_dcfclk = bw_params->clk_table.entries[i].dcfclk_mhz;
                                if (bw_params->clk_table.entries[i].dispclk_mhz > max_dispclk_mhz)
                                        max_dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz;
                                if (bw_params->clk_table.entries[i].dppclk_mhz > max_dppclk_mhz)
                                        max_dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz;
                                if (bw_params->clk_table.entries[i].phyclk_mhz > max_phyclk_mhz)
                                        max_phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz;
                        }
                        if (min_dcfclk > dcfclk_sta_targets[0])
                                dcfclk_sta_targets[0] = min_dcfclk;
                        if (!max_dcfclk_mhz)
                                max_dcfclk_mhz = dcn3_2_soc.clock_limits[0].dcfclk_mhz;
                        if (!max_dispclk_mhz)
                                max_dispclk_mhz = dcn3_2_soc.clock_limits[0].dispclk_mhz;
                        if (!max_dppclk_mhz)
                                max_dppclk_mhz = dcn3_2_soc.clock_limits[0].dppclk_mhz;
                        if (!max_phyclk_mhz)
                                max_phyclk_mhz = dcn3_2_soc.clock_limits[0].phyclk_mhz;

                        if (max_dcfclk_mhz > dcfclk_sta_targets[num_dcfclk_sta_targets-1]) {
                                // If max DCFCLK is greater than the max DCFCLK STA target, insert into the DCFCLK STA target array
                                dcfclk_sta_targets[num_dcfclk_sta_targets] = max_dcfclk_mhz;
                                num_dcfclk_sta_targets++;
                        } else if (max_dcfclk_mhz < dcfclk_sta_targets[num_dcfclk_sta_targets-1]) {
                                // If max DCFCLK is less than the max DCFCLK STA target, cap values and remove duplicates
                                for (i = 0; i < num_dcfclk_sta_targets; i++) {
                                        if (dcfclk_sta_targets[i] > max_dcfclk_mhz) {
                                                dcfclk_sta_targets[i] = max_dcfclk_mhz;
                                                break;
                                        }
                                }
                                // Update size of array since we "removed" duplicates
                                num_dcfclk_sta_targets = i + 1;
                        }

                        num_uclk_states = bw_params->clk_table.num_entries;

                        // Calculate optimal dcfclk for each uclk
                        for (i = 0; i < num_uclk_states; i++) {
                                dcn32_get_optimal_dcfclk_fclk_for_uclk(bw_params->clk_table.entries[i].memclk_mhz * 16,
                                                &optimal_dcfclk_for_uclk[i], NULL);
                                if (optimal_dcfclk_for_uclk[i] < bw_params->clk_table.entries[0].dcfclk_mhz) {
                                        optimal_dcfclk_for_uclk[i] = bw_params->clk_table.entries[0].dcfclk_mhz;
                                }
                        }

                        // Calculate optimal uclk for each dcfclk sta target
                        for (i = 0; i < num_dcfclk_sta_targets; i++) {
                                for (j = 0; j < num_uclk_states; j++) {
                                        if (dcfclk_sta_targets[i] < optimal_dcfclk_for_uclk[j]) {
                                                optimal_uclk_for_dcfclk_sta_targets[i] =
                                                                bw_params->clk_table.entries[j].memclk_mhz * 16;
                                                break;
                                        }
                                }
                        }

                        i = 0;
                        j = 0;
                        // create the final dcfclk and uclk table
                        while (i < num_dcfclk_sta_targets && j < num_uclk_states && num_states < DC__VOLTAGE_STATES) {
                                if (dcfclk_sta_targets[i] < optimal_dcfclk_for_uclk[j]) {
                                        dcfclk_mhz[num_states] = dcfclk_sta_targets[i];
                                        dram_speed_mts[num_states++] = optimal_uclk_for_dcfclk_sta_targets[i++];
                                } else {
                                        if (j < num_uclk_states && optimal_dcfclk_for_uclk[j] <= max_dcfclk_mhz) {
                                                dcfclk_mhz[num_states] = optimal_dcfclk_for_uclk[j];
                                                dram_speed_mts[num_states++] = bw_params->clk_table.entries[j++].memclk_mhz * 16;
                                        } else {
                                                j = num_uclk_states;
                                        }
                                }
                        }

                        while (i < num_dcfclk_sta_targets && num_states < DC__VOLTAGE_STATES) {
                                dcfclk_mhz[num_states] = dcfclk_sta_targets[i];
                                dram_speed_mts[num_states++] = optimal_uclk_for_dcfclk_sta_targets[i++];
                        }

                        while (j < num_uclk_states && num_states < DC__VOLTAGE_STATES &&
                                        optimal_dcfclk_for_uclk[j] <= max_dcfclk_mhz) {
                                dcfclk_mhz[num_states] = optimal_dcfclk_for_uclk[j];
                                dram_speed_mts[num_states++] = bw_params->clk_table.entries[j++].memclk_mhz * 16;
                        }

                        /* bw_params->clk_table.entries[MAX_NUM_DPM_LVL].
                         * MAX_NUM_DPM_LVL is 8.
                         * dcn3_02_soc.clock_limits[DC__VOLTAGE_STATES].
                         * DC__VOLTAGE_STATES is 40.
                         */
                        if (num_states > MAX_NUM_DPM_LVL) {
                                ASSERT(0);
                                return;
                        }

                        dcn3_2_soc.num_states = num_states;
                        for (i = 0; i < dcn3_2_soc.num_states; i++) {
                                dcn3_2_soc.clock_limits[i].state = i;
                                dcn3_2_soc.clock_limits[i].dcfclk_mhz = dcfclk_mhz[i];
                                dcn3_2_soc.clock_limits[i].fabricclk_mhz = dcfclk_mhz[i];

                                /* Fill all states with max values of all these clocks */
                                dcn3_2_soc.clock_limits[i].dispclk_mhz = max_dispclk_mhz;
                                dcn3_2_soc.clock_limits[i].dppclk_mhz  = max_dppclk_mhz;
                                dcn3_2_soc.clock_limits[i].phyclk_mhz  = max_phyclk_mhz;
                                dcn3_2_soc.clock_limits[i].dscclk_mhz  = max_dispclk_mhz / 3;

                                /* Populate from bw_params for DTBCLK, SOCCLK */
                                if (i > 0) {
                                        if (!bw_params->clk_table.entries[i].dtbclk_mhz) {
                                                dcn3_2_soc.clock_limits[i].dtbclk_mhz  = dcn3_2_soc.clock_limits[i-1].dtbclk_mhz;
                                        } else {
                                                dcn3_2_soc.clock_limits[i].dtbclk_mhz  = bw_params->clk_table.entries[i].dtbclk_mhz;
                                        }
                                } else if (bw_params->clk_table.entries[i].dtbclk_mhz) {
                                        dcn3_2_soc.clock_limits[i].dtbclk_mhz  = bw_params->clk_table.entries[i].dtbclk_mhz;
                                }

                                if (!bw_params->clk_table.entries[i].socclk_mhz && i > 0)
                                        dcn3_2_soc.clock_limits[i].socclk_mhz = dcn3_2_soc.clock_limits[i-1].socclk_mhz;
                                else
                                        dcn3_2_soc.clock_limits[i].socclk_mhz = bw_params->clk_table.entries[i].socclk_mhz;

                                if (!dram_speed_mts[i] && i > 0)
                                        dcn3_2_soc.clock_limits[i].dram_speed_mts = dcn3_2_soc.clock_limits[i-1].dram_speed_mts;
                                else
                                        dcn3_2_soc.clock_limits[i].dram_speed_mts = dram_speed_mts[i];

                                /* These clocks cannot come from bw_params, always fill from dcn3_2_soc[0] */
                                /* PHYCLK_D18, PHYCLK_D32 */
                                dcn3_2_soc.clock_limits[i].phyclk_d18_mhz = dcn3_2_soc.clock_limits[0].phyclk_d18_mhz;
                                dcn3_2_soc.clock_limits[i].phyclk_d32_mhz = dcn3_2_soc.clock_limits[0].phyclk_d32_mhz;
                        }
                } else {
                        build_synthetic_soc_states(dc->debug.disable_dc_mode_overwrite, bw_params,
                                        dcn3_2_soc.clock_limits, &dcn3_2_soc.num_states);
                }

                /* Re-init DML with updated bb */
                dml_init_instance(&dc->dml, &dcn3_2_soc, &dcn3_2_ip, DML_PROJECT_DCN32);
                if (dc->current_state)
                        dml_init_instance(&dc->current_state->bw_ctx.dml, &dcn3_2_soc, &dcn3_2_ip, DML_PROJECT_DCN32);
        }

        if (dc->clk_mgr->bw_params->clk_table.num_entries > 1) {
                unsigned int i = 0;

                dc->dml2_options.bbox_overrides.clks_table.num_states = dc->clk_mgr->bw_params->clk_table.num_entries;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dcfclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dcfclk_levels;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_fclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_fclk_levels;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_memclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_memclk_levels;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_socclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_socclk_levels;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dtbclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dtbclk_levels;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dispclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dispclk_levels;

                dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dppclk_levels =
                        dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dppclk_levels;

                for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dcfclk_levels; i++) {
                        if (dc->clk_mgr->bw_params->clk_table.entries[i].dcfclk_mhz)
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dcfclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].dcfclk_mhz;
                }

                for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_fclk_levels; i++) {
                        if (dc->clk_mgr->bw_params->clk_table.entries[i].fclk_mhz)
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].fclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].fclk_mhz;
                }

                for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_memclk_levels; i++) {
                        if (dc->clk_mgr->bw_params->clk_table.entries[i].memclk_mhz)
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].memclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].memclk_mhz;
                }

                for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_socclk_levels; i++) {
                        if (dc->clk_mgr->bw_params->clk_table.entries[i].socclk_mhz)
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].socclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].socclk_mhz;
                }

                for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dtbclk_levels; i++) {
                        if (dc->clk_mgr->bw_params->clk_table.entries[i].dtbclk_mhz)
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].dtbclk_mhz;
                }

                for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dispclk_levels; i++) {
                        if (dc->clk_mgr->bw_params->clk_table.entries[i].dispclk_mhz) {
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dispclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].dispclk_mhz;
                                dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dppclk_mhz =
                                        dc->clk_mgr->bw_params->clk_table.entries[i].dispclk_mhz;
                        }
                }
        }
}

void dcn32_zero_pipe_dcc_fraction(display_e2e_pipe_params_st *pipes,
                                  int pipe_cnt)
{
        dc_assert_fp_enabled();

        pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0;
        pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0;
}

bool dcn32_allow_subvp_with_active_margin(struct pipe_ctx *pipe)
{
        bool allow = false;
        uint32_t refresh_rate = 0;
        uint32_t min_refresh = subvp_active_margin_list.min_refresh;
        uint32_t max_refresh = subvp_active_margin_list.max_refresh;
        uint32_t i;

        for (i = 0; i < SUBVP_ACTIVE_MARGIN_LIST_LEN; i++) {
                uint32_t width = subvp_active_margin_list.res[i].width;
                uint32_t height = subvp_active_margin_list.res[i].height;

                refresh_rate = (pipe->stream->timing.pix_clk_100hz * (uint64_t)100 +
                        (uint64_t)pipe->stream->timing.v_total * pipe->stream->timing.h_total - (uint64_t)1);
                refresh_rate = div_u64(refresh_rate, pipe->stream->timing.v_total);
                refresh_rate = div_u64(refresh_rate, pipe->stream->timing.h_total);

                if (refresh_rate >= min_refresh && refresh_rate <= max_refresh &&
                                dcn32_check_native_scaling_for_res(pipe, width, height)) {
                        allow = true;
                        break;
                }
        }
        return allow;
}

/**
 * dcn32_allow_subvp_high_refresh_rate: Determine if the high refresh rate config will allow subvp
 *
 * @dc: Current DC state
 * @context: New DC state to be programmed
 * @pipe: Pipe to be considered for use in subvp
 *
 * On high refresh rate display configs, we will allow subvp under the following conditions:
 * 1. Resolution is 3840x2160, 3440x1440, or 2560x1440
 * 2. Refresh rate is between 120hz - 165hz
 * 3. No scaling
 * 4. Freesync is inactive
 * 5. For single display cases, freesync must be disabled
 *
 * Return: True if pipe can be used for subvp, false otherwise
 */
bool dcn32_allow_subvp_high_refresh_rate(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe)
{
        bool allow = false;
        uint32_t refresh_rate = 0;
        uint32_t subvp_min_refresh = subvp_high_refresh_list.min_refresh;
        uint32_t subvp_max_refresh = subvp_high_refresh_list.max_refresh;
        uint32_t min_refresh = subvp_max_refresh;
        uint32_t i;

        /* Only allow SubVP on high refresh displays if all connected displays
         * are considered "high refresh" (i.e. >= 120hz). We do not want to
         * allow combinations such as 120hz (SubVP) + 60hz (SubVP).
         */
        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];

                if (!pipe_ctx->stream)
                        continue;
                refresh_rate = (pipe_ctx->stream->timing.pix_clk_100hz * 100 +
                                pipe_ctx->stream->timing.v_total * pipe_ctx->stream->timing.h_total - 1)
                                                / (double)(pipe_ctx->stream->timing.v_total * pipe_ctx->stream->timing.h_total);

                if (refresh_rate < min_refresh)
                        min_refresh = refresh_rate;
        }

        if (!dc->debug.disable_subvp_high_refresh && min_refresh >= subvp_min_refresh && pipe->stream &&
                        pipe->plane_state && !(pipe->stream->vrr_active_variable || pipe->stream->vrr_active_fixed)) {
                refresh_rate = (pipe->stream->timing.pix_clk_100hz * 100 +
                                                pipe->stream->timing.v_total * pipe->stream->timing.h_total - 1)
                                                / (double)(pipe->stream->timing.v_total * pipe->stream->timing.h_total);
                if (refresh_rate >= subvp_min_refresh && refresh_rate <= subvp_max_refresh) {
                        for (i = 0; i < SUBVP_HIGH_REFRESH_LIST_LEN; i++) {
                                uint32_t width = subvp_high_refresh_list.res[i].width;
                                uint32_t height = subvp_high_refresh_list.res[i].height;

                                if (dcn32_check_native_scaling_for_res(pipe, width, height)) {
                                        if ((context->stream_count == 1 && !pipe->stream->allow_freesync) || context->stream_count > 1) {
                                                allow = true;
                                                break;
                                        }
                                }
                        }
                }
        }
        return allow;
}

/**
 * dcn32_determine_max_vratio_prefetch: Determine max Vratio for prefetch by driver policy
 *
 * @dc: Current DC state
 * @context: New DC state to be programmed
 *
 * Return: Max vratio for prefetch
 */
double dcn32_determine_max_vratio_prefetch(struct dc *dc, struct dc_state *context)
{
        double max_vratio_pre = __DML_MAX_BW_RATIO_PRE__; // Default value is 4
        int i;

        /* For single display MPO configs, allow the max vratio to be 8
         * if any plane is YUV420 format
         */
        if (context->stream_count == 1 && context->stream_status[0].plane_count > 1) {
                for (i = 0; i < context->stream_status[0].plane_count; i++) {
                        if (context->stream_status[0].plane_states[i]->format == SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr ||
                                        context->stream_status[0].plane_states[i]->format == SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb) {
                                max_vratio_pre = __DML_MAX_VRATIO_PRE__;
                        }
                }
        }
        return max_vratio_pre;
}

/**
 * dcn32_assign_fpo_vactive_candidate - Assign the FPO stream candidate for FPO + VActive case
 *
 * This function chooses the FPO candidate stream for FPO + VActive cases (2 stream config).
 * For FPO + VAtive cases, the assumption is that one display has ActiveMargin > 0, and the
 * other display has ActiveMargin <= 0. This function will choose the pipe/stream that has
 * ActiveMargin <= 0 to be the FPO stream candidate if found.
 *
 *
 * @dc: current dc state
 * @context: new dc state
 * @fpo_candidate_stream: pointer to FPO stream candidate if one is found
 *
 * Return: void
 */
void dcn32_assign_fpo_vactive_candidate(struct dc *dc, const struct dc_state *context, struct dc_stream_state **fpo_candidate_stream)
{
        unsigned int i, pipe_idx;
        const struct vba_vars_st *vba = &context->bw_ctx.dml.vba;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                const struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                /* In DCN32/321, FPO uses per-pipe P-State force.
                 * If there's no planes, HUBP is power gated and
                 * therefore programming UCLK_PSTATE_FORCE does
                 * nothing (P-State will always be asserted naturally
                 * on a pipe that has HUBP power gated. Therefore we
                 * only want to enable FPO if the FPO pipe has both
                 * a stream and a plane.
                 */
                if (!pipe->stream || !pipe->plane_state)
                        continue;

                if (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] <= 0) {
                        *fpo_candidate_stream = pipe->stream;
                        break;
                }
                pipe_idx++;
        }
}

/**
 * dcn32_find_vactive_pipe - Determines if the config has a pipe that can switch in VACTIVE
 *
 * @dc: current dc state
 * @context: new dc state
 * @fpo_candidate_stream: candidate stream to be chosen for FPO
 * @vactive_margin_req_us: The vactive marign required for a vactive pipe to be considered "found"
 *
 * Return: True if VACTIVE display is found, false otherwise
 */
bool dcn32_find_vactive_pipe(struct dc *dc, const struct dc_state *context, struct dc_stream_state *fpo_candidate_stream, uint32_t vactive_margin_req_us)
{
        unsigned int i, pipe_idx;
        const struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
        bool vactive_found = true;
        unsigned int blank_us = 0;

        for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
                const struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                if (!pipe->stream)
                        continue;

                /* Don't need to check for vactive margin on the FPO candidate stream */
                if (fpo_candidate_stream && pipe->stream == fpo_candidate_stream) {
                        pipe_idx++;
                        continue;
                }

                /* Every plane (apart from the ones driven by the FPO pipes) needs to have active margin
                 * in order for us to have found a valid "vactive" config for FPO + Vactive
                 */
                blank_us = ((pipe->stream->timing.v_total - pipe->stream->timing.v_addressable) * pipe->stream->timing.h_total /
                                (double)(pipe->stream->timing.pix_clk_100hz * 100)) * 1000000;
                if (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] < vactive_margin_req_us ||
                                pipe->stream->vrr_active_variable || pipe->stream->vrr_active_fixed || blank_us >= dc->debug.fpo_vactive_max_blank_us) {
                        vactive_found = false;
                        break;
                }
                pipe_idx++;
        }
        return vactive_found;
}

void dcn32_set_clock_limits(const struct _vcs_dpi_soc_bounding_box_st *soc_bb)
{
        dc_assert_fp_enabled();
        dcn3_2_soc.clock_limits[0].dcfclk_mhz = 1200.0;
}

void dcn32_override_min_req_memclk(struct dc *dc, struct dc_state *context)
{
        // WA: restrict FPO and SubVP to use first non-strobe mode (DCN32 BW issue)
        if ((context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dcn32_subvp_in_use(dc, context)) &&
                        dc->dml.soc.num_chans <= 8) {
                int num_mclk_levels = dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_memclk_levels;

                if (context->bw_ctx.dml.vba.DRAMSpeed <= dc->clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 16 &&
                                num_mclk_levels > 1) {
                        context->bw_ctx.dml.vba.DRAMSpeed = dc->clk_mgr->bw_params->clk_table.entries[1].memclk_mhz * 16;
                        context->bw_ctx.bw.dcn.clk.dramclk_khz = context->bw_ctx.dml.vba.DRAMSpeed * 1000 / 16;
                }
        }
}