linux/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_dcn4.c

// SPDX-License-Identifier: MIT
//
// Copyright 2024 Advanced Micro Devices, Inc.


#include "dml2_dpmm_dcn4.h"
#include "dml2_internal_shared_types.h"
#include "dml_top_types.h"
#include "lib_float_math.h"

static double dram_bw_kbps_to_uclk_khz(unsigned long long bandwidth_kbps, const struct dml2_dram_params *dram_config)
{ … }

static void get_minimum_clocks_for_latency(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out,
	double *uclk,
	double *fclk,
	double *dcfclk)
{ … }

static unsigned long dml_round_up(double a)
{ … }

static void calculate_system_active_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static void calculate_svp_prefetch_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static void calculate_idle_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static bool add_margin_and_round_to_dfs_grainularity(double clock_khz, double margin, unsigned long vco_freq_khz, unsigned long *rounded_khz, uint32_t *divider_id)
{ … }

static bool round_up_and_copy_to_next_dpm(unsigned long min_value, unsigned long *rounded_value, const struct dml2_clk_table *clock_table)
{ … }

static bool round_up_to_next_dpm(unsigned long *clock_value, const struct dml2_clk_table *clock_table)
{ … }

static bool map_soc_min_clocks_to_dpm_fine_grained(struct dml2_display_cfg_programming *display_cfg, const struct dml2_soc_state_table *state_table)
{ … }

static bool map_soc_min_clocks_to_dpm_coarse_grained(struct dml2_display_cfg_programming *display_cfg, const struct dml2_soc_state_table *state_table)
{ … }

static bool map_min_clocks_to_dpm(const struct dml2_core_mode_support_result *mode_support_result, struct dml2_display_cfg_programming *display_cfg, const struct dml2_soc_state_table *state_table)
{ … }

static bool are_timings_trivially_synchronizable(struct dml2_display_cfg *display_config, int mask)
{ … }

static int find_smallest_idle_time_in_vblank_us(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out, int mask)
{ … }

static bool determine_power_management_features_with_vblank_only(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static int get_displays_without_vactive_margin_mask(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out, int latency_hiding_requirement_us)
{ … }

static int get_displays_with_fams_mask(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out, int latency_hiding_requirement_us)
{ … }

static bool determine_power_management_features_with_vactive_and_vblank(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static bool determine_power_management_features_with_fams(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static void clamp_uclk_to_max(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static void clamp_fclk_to_max(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

static bool map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

bool dpmm_dcn3_map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

bool dpmm_dcn4_map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
{ … }

bool dpmm_dcn4_map_watermarks(struct dml2_dpmm_map_watermarks_params_in_out *in_out)
{ … }