1 // SPDX-License-Identifier: MIT
2 //
3 // Copyright 2024 Advanced Micro Devices, Inc.
4 
5 #include "dml2_dpmm_dcn4.h"
6 #include "dml2_internal_shared_types.h"
7 #include "dml_top_types.h"
8 #include "lib_float_math.h"
9 
dram_bw_kbps_to_uclk_khz(unsigned long long bandwidth_kbps,const struct dml2_dram_params * dram_config)10 static double dram_bw_kbps_to_uclk_khz(unsigned long long bandwidth_kbps, const struct dml2_dram_params *dram_config)
11 {
12 	double uclk_khz = 0;
13 	unsigned long uclk_mbytes_per_tick = 0;
14 
15 	uclk_mbytes_per_tick = dram_config->channel_count * dram_config->channel_width_bytes * dram_config->transactions_per_clock;
16 
17 	uclk_khz = (double)bandwidth_kbps / uclk_mbytes_per_tick;
18 
19 	return uclk_khz;
20 }
21 
get_minimum_clocks_for_latency(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out,double * uclk,double * fclk,double * dcfclk)22 static void get_minimum_clocks_for_latency(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out,
23 	double *uclk,
24 	double *fclk,
25 	double *dcfclk)
26 {
27 	int min_clock_index_for_latency;
28 
29 	if (in_out->display_cfg->stage3.success)
30 		min_clock_index_for_latency = in_out->display_cfg->stage3.min_clk_index_for_latency;
31 	else
32 		min_clock_index_for_latency = in_out->display_cfg->stage1.min_clk_index_for_latency;
33 
34 	*dcfclk = in_out->min_clk_table->dram_bw_table.entries[min_clock_index_for_latency].min_dcfclk_khz;
35 	*fclk = in_out->min_clk_table->dram_bw_table.entries[min_clock_index_for_latency].min_fclk_khz;
36 	*uclk = dram_bw_kbps_to_uclk_khz(in_out->min_clk_table->dram_bw_table.entries[min_clock_index_for_latency].pre_derate_dram_bw_kbps,
37 		&in_out->soc_bb->clk_table.dram_config);
38 }
39 
dml_round_up(double a)40 static unsigned long dml_round_up(double a)
41 {
42 	if (a - (unsigned long)a > 0) {
43 		return ((unsigned long)a) + 1;
44 	}
45 	return (unsigned long)a;
46 }
47 
calculate_system_active_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)48 static void calculate_system_active_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
49 {
50 	double min_uclk_avg, min_uclk_urgent, min_uclk_bw;
51 	double min_fclk_avg, min_fclk_urgent, min_fclk_bw;
52 	double min_dcfclk_avg, min_dcfclk_urgent, min_dcfclk_bw;
53 	double min_uclk_latency, min_fclk_latency, min_dcfclk_latency;
54 	const struct dml2_core_mode_support_result *mode_support_result = &in_out->display_cfg->mode_support_result;
55 
56 	min_uclk_avg = dram_bw_kbps_to_uclk_khz(mode_support_result->global.active.average_bw_dram_kbps, &in_out->soc_bb->clk_table.dram_config);
57 	min_uclk_avg = (double)min_uclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_average.dram_derate_percent_pixel / 100);
58 
59 	min_uclk_urgent = dram_bw_kbps_to_uclk_khz(mode_support_result->global.active.urgent_bw_dram_kbps, &in_out->soc_bb->clk_table.dram_config);
60 	if (in_out->display_cfg->display_config.hostvm_enable)
61 		min_uclk_urgent = (double)min_uclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_urgent.dram_derate_percent_pixel_and_vm / 100);
62 	else
63 		min_uclk_urgent = (double)min_uclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_urgent.dram_derate_percent_pixel / 100);
64 
65 	min_uclk_bw = min_uclk_urgent > min_uclk_avg ? min_uclk_urgent : min_uclk_avg;
66 
67 	min_fclk_avg = (double)mode_support_result->global.active.average_bw_sdp_kbps / in_out->soc_bb->fabric_datapath_to_dcn_data_return_bytes;
68 	min_fclk_avg = (double)min_fclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_average.fclk_derate_percent / 100);
69 
70 	min_fclk_urgent = (double)mode_support_result->global.active.urgent_bw_sdp_kbps / in_out->soc_bb->fabric_datapath_to_dcn_data_return_bytes;
71 	min_fclk_urgent = (double)min_fclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_urgent.fclk_derate_percent / 100);
72 
73 	min_fclk_bw = min_fclk_urgent > min_fclk_avg ? min_fclk_urgent : min_fclk_avg;
74 
75 	min_dcfclk_avg = (double)mode_support_result->global.active.average_bw_sdp_kbps / in_out->soc_bb->return_bus_width_bytes;
76 	min_dcfclk_avg = (double)min_dcfclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_average.dcfclk_derate_percent / 100);
77 
78 	min_dcfclk_urgent = (double)mode_support_result->global.active.urgent_bw_sdp_kbps / in_out->soc_bb->return_bus_width_bytes;
79 	min_dcfclk_urgent = (double)min_dcfclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.system_active_urgent.dcfclk_derate_percent / 100);
80 
81 	min_dcfclk_bw = min_dcfclk_urgent > min_dcfclk_avg ? min_dcfclk_urgent : min_dcfclk_avg;
82 
83 	get_minimum_clocks_for_latency(in_out, &min_uclk_latency, &min_fclk_latency, &min_dcfclk_latency);
84 
85 	in_out->programming->min_clocks.dcn4x.active.uclk_khz = dml_round_up(min_uclk_bw > min_uclk_latency ? min_uclk_bw : min_uclk_latency);
86 	in_out->programming->min_clocks.dcn4x.active.fclk_khz = dml_round_up(min_fclk_bw > min_fclk_latency ? min_fclk_bw : min_fclk_latency);
87 	in_out->programming->min_clocks.dcn4x.active.dcfclk_khz = dml_round_up(min_dcfclk_bw > min_dcfclk_latency ? min_dcfclk_bw : min_dcfclk_latency);
88 }
89 
calculate_svp_prefetch_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)90 static void calculate_svp_prefetch_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
91 {
92 	double min_uclk_avg, min_uclk_urgent, min_uclk_bw;
93 	double min_fclk_avg, min_fclk_urgent, min_fclk_bw;
94 	double min_dcfclk_avg, min_dcfclk_urgent, min_dcfclk_bw;
95 	double min_fclk_latency, min_dcfclk_latency;
96 	double min_uclk_latency;
97 	const struct dml2_core_mode_support_result *mode_support_result = &in_out->display_cfg->mode_support_result;
98 
99 	min_uclk_avg = dram_bw_kbps_to_uclk_khz(mode_support_result->global.svp_prefetch.average_bw_dram_kbps, &in_out->soc_bb->clk_table.dram_config);
100 	min_uclk_avg = (double)min_uclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.dcn_mall_prefetch_average.dram_derate_percent_pixel / 100);
101 
102 	min_uclk_urgent = dram_bw_kbps_to_uclk_khz(mode_support_result->global.svp_prefetch.urgent_bw_dram_kbps, &in_out->soc_bb->clk_table.dram_config);
103 	min_uclk_urgent = (double)min_uclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.dcn_mall_prefetch_urgent.dram_derate_percent_pixel / 100);
104 
105 	min_uclk_bw = min_uclk_urgent > min_uclk_avg ? min_uclk_urgent : min_uclk_avg;
106 
107 	min_fclk_avg = (double)mode_support_result->global.svp_prefetch.average_bw_sdp_kbps / in_out->soc_bb->fabric_datapath_to_dcn_data_return_bytes;
108 	min_fclk_avg = (double)min_fclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.dcn_mall_prefetch_average.fclk_derate_percent / 100);
109 
110 	min_fclk_urgent = (double)mode_support_result->global.svp_prefetch.urgent_bw_sdp_kbps / in_out->soc_bb->fabric_datapath_to_dcn_data_return_bytes;
111 	min_fclk_urgent = (double)min_fclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.dcn_mall_prefetch_urgent.fclk_derate_percent / 100);
112 
113 	min_fclk_bw = min_fclk_urgent > min_fclk_avg ? min_fclk_urgent : min_fclk_avg;
114 
115 	min_dcfclk_avg = (double)mode_support_result->global.svp_prefetch.average_bw_sdp_kbps / in_out->soc_bb->return_bus_width_bytes;
116 	min_dcfclk_avg = (double)min_dcfclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.dcn_mall_prefetch_average.dcfclk_derate_percent / 100);
117 
118 	min_dcfclk_urgent = (double)mode_support_result->global.svp_prefetch.urgent_bw_sdp_kbps / in_out->soc_bb->return_bus_width_bytes;
119 	min_dcfclk_urgent = (double)min_dcfclk_urgent / ((double)in_out->soc_bb->qos_parameters.derate_table.dcn_mall_prefetch_urgent.dcfclk_derate_percent / 100);
120 
121 	min_dcfclk_bw = min_dcfclk_urgent > min_dcfclk_avg ? min_dcfclk_urgent : min_dcfclk_avg;
122 
123 	get_minimum_clocks_for_latency(in_out, &min_uclk_latency, &min_fclk_latency, &min_dcfclk_latency);
124 
125 	in_out->programming->min_clocks.dcn4x.svp_prefetch.uclk_khz = dml_round_up(min_uclk_bw > min_uclk_latency ? min_uclk_bw : min_uclk_latency);
126 	in_out->programming->min_clocks.dcn4x.svp_prefetch.fclk_khz = dml_round_up(min_fclk_bw > min_fclk_latency ? min_fclk_bw : min_fclk_latency);
127 	in_out->programming->min_clocks.dcn4x.svp_prefetch.dcfclk_khz = dml_round_up(min_dcfclk_bw > min_dcfclk_latency ? min_dcfclk_bw : min_dcfclk_latency);
128 }
129 
calculate_idle_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)130 static void calculate_idle_minimums(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
131 {
132 	double min_uclk_avg;
133 	double min_fclk_avg;
134 	double min_dcfclk_avg;
135 	double min_uclk_latency, min_fclk_latency, min_dcfclk_latency;
136 	const struct dml2_core_mode_support_result *mode_support_result = &in_out->display_cfg->mode_support_result;
137 
138 	min_uclk_avg = dram_bw_kbps_to_uclk_khz(mode_support_result->global.active.average_bw_dram_kbps, &in_out->soc_bb->clk_table.dram_config);
139 	min_uclk_avg = (double)min_uclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.system_idle_average.dram_derate_percent_pixel / 100);
140 
141 	min_fclk_avg = (double)mode_support_result->global.active.average_bw_sdp_kbps / in_out->soc_bb->fabric_datapath_to_dcn_data_return_bytes;
142 	min_fclk_avg = (double)min_fclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.system_idle_average.fclk_derate_percent / 100);
143 
144 	min_dcfclk_avg = (double)mode_support_result->global.active.average_bw_sdp_kbps / in_out->soc_bb->return_bus_width_bytes;
145 	min_dcfclk_avg = (double)min_dcfclk_avg / ((double)in_out->soc_bb->qos_parameters.derate_table.system_idle_average.dcfclk_derate_percent / 100);
146 
147 	get_minimum_clocks_for_latency(in_out, &min_uclk_latency, &min_fclk_latency, &min_dcfclk_latency);
148 
149 	in_out->programming->min_clocks.dcn4x.idle.uclk_khz = dml_round_up(min_uclk_avg > min_uclk_latency ? min_uclk_avg : min_uclk_latency);
150 	in_out->programming->min_clocks.dcn4x.idle.fclk_khz = dml_round_up(min_fclk_avg > min_fclk_latency ? min_fclk_avg : min_fclk_latency);
151 	in_out->programming->min_clocks.dcn4x.idle.dcfclk_khz = dml_round_up(min_dcfclk_avg > min_dcfclk_latency ? min_dcfclk_avg : min_dcfclk_latency);
152 }
153 
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)154 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)
155 {
156 	enum dentist_divider_range {
157 		DFS_DIVIDER_RANGE_1_START = 8, /* 2.00 */
158 		DFS_DIVIDER_RANGE_1_STEP = 1, /* 0.25 */
159 		DFS_DIVIDER_RANGE_2_START = 64, /* 16.00 */
160 		DFS_DIVIDER_RANGE_2_STEP = 2, /* 0.50 */
161 		DFS_DIVIDER_RANGE_3_START = 128, /* 32.00 */
162 		DFS_DIVIDER_RANGE_3_STEP = 4, /* 1.00 */
163 		DFS_DIVIDER_RANGE_4_START = 248, /* 62.00 */
164 		DFS_DIVIDER_RANGE_4_STEP = 264, /* 66.00 */
165 		DFS_DIVIDER_RANGE_SCALE_FACTOR = 4
166 	};
167 
168 	enum DFS_base_divider_id {
169 		DFS_BASE_DID_1 = 0x08,
170 		DFS_BASE_DID_2 = 0x40,
171 		DFS_BASE_DID_3 = 0x60,
172 		DFS_BASE_DID_4 = 0x7e,
173 		DFS_MAX_DID = 0x7f
174 	};
175 
176 	unsigned int divider;
177 
178 	if (clock_khz < 1 || vco_freq_khz < 1 || clock_khz > vco_freq_khz)
179 		return false;
180 
181 	clock_khz *= 1.0 + margin;
182 
183 	divider = (unsigned int)((int)DFS_DIVIDER_RANGE_SCALE_FACTOR * (vco_freq_khz / clock_khz));
184 
185 	/* we want to floor here to get higher clock than required rather than lower */
186 	if (divider < DFS_DIVIDER_RANGE_2_START) {
187 		if (divider < DFS_DIVIDER_RANGE_1_START)
188 			*divider_id = DFS_BASE_DID_1;
189 		else
190 			*divider_id = DFS_BASE_DID_1 + ((divider - DFS_DIVIDER_RANGE_1_START) / DFS_DIVIDER_RANGE_1_STEP);
191 	} else if (divider < DFS_DIVIDER_RANGE_3_START) {
192 		*divider_id = DFS_BASE_DID_2 + ((divider - DFS_DIVIDER_RANGE_2_START) / DFS_DIVIDER_RANGE_2_STEP);
193 	} else if (divider < DFS_DIVIDER_RANGE_4_START) {
194 		*divider_id = DFS_BASE_DID_3 + ((divider - DFS_DIVIDER_RANGE_3_START) / DFS_DIVIDER_RANGE_3_STEP);
195 	} else {
196 		*divider_id = DFS_BASE_DID_4 + ((divider - DFS_DIVIDER_RANGE_4_START) / DFS_DIVIDER_RANGE_4_STEP);
197 		if (*divider_id > DFS_MAX_DID)
198 			*divider_id = DFS_MAX_DID;
199 	}
200 
201 	*rounded_khz = vco_freq_khz * DFS_DIVIDER_RANGE_SCALE_FACTOR / divider;
202 
203 	return true;
204 }
205 
round_to_non_dfs_granularity(unsigned long dispclk_khz,unsigned long dpprefclk_khz,unsigned long dtbrefclk_khz,unsigned long * rounded_dispclk_khz,unsigned long * rounded_dpprefclk_khz,unsigned long * rounded_dtbrefclk_khz)206 static bool round_to_non_dfs_granularity(unsigned long dispclk_khz, unsigned long dpprefclk_khz, unsigned long dtbrefclk_khz,
207 	unsigned long *rounded_dispclk_khz, unsigned long *rounded_dpprefclk_khz, unsigned long *rounded_dtbrefclk_khz)
208 {
209 	unsigned long pll_frequency_khz;
210 
211 	pll_frequency_khz = (unsigned long) math_max2(600000, math_ceil2(math_max3(dispclk_khz, dpprefclk_khz, dtbrefclk_khz), 1000));
212 
213 	*rounded_dispclk_khz = pll_frequency_khz / (unsigned long) math_min2(pll_frequency_khz / dispclk_khz, 32);
214 
215 	*rounded_dpprefclk_khz = pll_frequency_khz / (unsigned long) math_min2(pll_frequency_khz / dpprefclk_khz, 32);
216 
217 	if (dtbrefclk_khz > 0) {
218 		*rounded_dtbrefclk_khz = pll_frequency_khz / (unsigned long) math_min2(pll_frequency_khz / dtbrefclk_khz, 32);
219 	} else {
220 		*rounded_dtbrefclk_khz = 0;
221 	}
222 
223 	return true;
224 }
225 
round_up_and_copy_to_next_dpm(unsigned long min_value,unsigned long * rounded_value,const struct dml2_clk_table * clock_table)226 static bool round_up_and_copy_to_next_dpm(unsigned long min_value, unsigned long *rounded_value, const struct dml2_clk_table *clock_table)
227 {
228 	bool result = false;
229 	int index = 0;
230 
231 	if (clock_table->num_clk_values > 2) {
232 		while (index < clock_table->num_clk_values && clock_table->clk_values_khz[index] < min_value)
233 			index++;
234 
235 		if (index < clock_table->num_clk_values) {
236 			*rounded_value = clock_table->clk_values_khz[index];
237 			result = true;
238 		}
239 	} else if (clock_table->clk_values_khz[clock_table->num_clk_values - 1] >= min_value) {
240 		*rounded_value = min_value;
241 		result = true;
242 	}
243 	return result;
244 }
245 
round_up_to_next_dpm(unsigned long * clock_value,const struct dml2_clk_table * clock_table)246 static bool round_up_to_next_dpm(unsigned long *clock_value, const struct dml2_clk_table *clock_table)
247 {
248 	return round_up_and_copy_to_next_dpm(*clock_value, clock_value, clock_table);
249 }
250 
map_soc_min_clocks_to_dpm_fine_grained(struct dml2_display_cfg_programming * display_cfg,const struct dml2_soc_state_table * state_table)251 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)
252 {
253 	bool result;
254 
255 	result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.active.dcfclk_khz, &state_table->dcfclk);
256 	if (result)
257 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.active.fclk_khz, &state_table->fclk);
258 	if (result)
259 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.active.uclk_khz, &state_table->uclk);
260 
261 	if (result)
262 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.svp_prefetch.dcfclk_khz, &state_table->dcfclk);
263 	if (result)
264 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.svp_prefetch.fclk_khz, &state_table->fclk);
265 	if (result)
266 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.svp_prefetch.uclk_khz, &state_table->uclk);
267 
268 	if (result)
269 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.idle.dcfclk_khz, &state_table->dcfclk);
270 	if (result)
271 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.idle.fclk_khz, &state_table->fclk);
272 	if (result)
273 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.idle.uclk_khz, &state_table->uclk);
274 
275 	return result;
276 }
277 
map_soc_min_clocks_to_dpm_coarse_grained(struct dml2_display_cfg_programming * display_cfg,const struct dml2_soc_state_table * state_table)278 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)
279 {
280 	bool result;
281 	int index;
282 
283 	result = false;
284 	for (index = 0; index < state_table->uclk.num_clk_values; index++) {
285 		if (display_cfg->min_clocks.dcn4x.active.dcfclk_khz <= state_table->dcfclk.clk_values_khz[index] &&
286 			display_cfg->min_clocks.dcn4x.active.fclk_khz <= state_table->fclk.clk_values_khz[index] &&
287 			display_cfg->min_clocks.dcn4x.active.uclk_khz <= state_table->uclk.clk_values_khz[index]) {
288 			display_cfg->min_clocks.dcn4x.active.dcfclk_khz = state_table->dcfclk.clk_values_khz[index];
289 			display_cfg->min_clocks.dcn4x.active.fclk_khz = state_table->fclk.clk_values_khz[index];
290 			display_cfg->min_clocks.dcn4x.active.uclk_khz = state_table->uclk.clk_values_khz[index];
291 			result = true;
292 			break;
293 		}
294 	}
295 
296 	if (result) {
297 		result = false;
298 		for (index = 0; index < state_table->uclk.num_clk_values; index++) {
299 			if (display_cfg->min_clocks.dcn4x.idle.dcfclk_khz <= state_table->dcfclk.clk_values_khz[index] &&
300 				display_cfg->min_clocks.dcn4x.idle.fclk_khz <= state_table->fclk.clk_values_khz[index] &&
301 				display_cfg->min_clocks.dcn4x.idle.uclk_khz <= state_table->uclk.clk_values_khz[index]) {
302 				display_cfg->min_clocks.dcn4x.idle.dcfclk_khz = state_table->dcfclk.clk_values_khz[index];
303 				display_cfg->min_clocks.dcn4x.idle.fclk_khz = state_table->fclk.clk_values_khz[index];
304 				display_cfg->min_clocks.dcn4x.idle.uclk_khz = state_table->uclk.clk_values_khz[index];
305 				result = true;
306 				break;
307 			}
308 		}
309 	}
310 
311 	// SVP is not supported on any coarse grained SoCs
312 	display_cfg->min_clocks.dcn4x.svp_prefetch.dcfclk_khz = 0;
313 	display_cfg->min_clocks.dcn4x.svp_prefetch.fclk_khz = 0;
314 	display_cfg->min_clocks.dcn4x.svp_prefetch.uclk_khz = 0;
315 
316 	return result;
317 }
318 
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)319 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)
320 {
321 	bool result = false;
322 	bool dcfclk_fine_grained = false, fclk_fine_grained = false, clock_state_count_identical = false;
323 	unsigned int i;
324 
325 	if (!state_table || !display_cfg)
326 		return false;
327 
328 	if (state_table->dcfclk.num_clk_values == 2) {
329 		dcfclk_fine_grained = true;
330 	}
331 
332 	if (state_table->fclk.num_clk_values == 2) {
333 		fclk_fine_grained = true;
334 	}
335 
336 	if (state_table->fclk.num_clk_values == state_table->dcfclk.num_clk_values &&
337 		state_table->fclk.num_clk_values == state_table->uclk.num_clk_values) {
338 		clock_state_count_identical = true;
339 	}
340 
341 	if (dcfclk_fine_grained || fclk_fine_grained || !clock_state_count_identical)
342 		result = map_soc_min_clocks_to_dpm_fine_grained(display_cfg, state_table);
343 	else
344 		result = map_soc_min_clocks_to_dpm_coarse_grained(display_cfg, state_table);
345 
346 	if (result)
347 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.dispclk_khz, &state_table->dispclk);
348 
349 	if (result)
350 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.deepsleep_dcfclk_khz, &state_table->dcfclk);
351 
352 	for (i = 0; i < DML2_MAX_DCN_PIPES; i++) {
353 		if (result)
354 			result = round_up_to_next_dpm(&display_cfg->plane_programming[i].min_clocks.dcn4x.dppclk_khz, &state_table->dppclk);
355 	}
356 
357 	for (i = 0; i < display_cfg->display_config.num_streams; i++) {
358 		if (result)
359 			result = round_up_and_copy_to_next_dpm(mode_support_result->per_stream[i].dscclk_khz, &display_cfg->stream_programming[i].min_clocks.dcn4x.dscclk_khz, &state_table->dscclk);
360 		if (result)
361 			result = round_up_and_copy_to_next_dpm(mode_support_result->per_stream[i].dtbclk_khz, &display_cfg->stream_programming[i].min_clocks.dcn4x.dtbclk_khz, &state_table->dtbclk);
362 		if (result)
363 			result = round_up_and_copy_to_next_dpm(mode_support_result->per_stream[i].phyclk_khz, &display_cfg->stream_programming[i].min_clocks.dcn4x.phyclk_khz, &state_table->phyclk);
364 	}
365 
366 	if (result)
367 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.dpprefclk_khz, &state_table->dppclk);
368 
369 	if (result)
370 		result = round_up_to_next_dpm(&display_cfg->min_clocks.dcn4x.dtbrefclk_khz, &state_table->dtbclk);
371 
372 	return result;
373 }
374 
are_timings_trivially_synchronizable(struct dml2_display_cfg * display_config,int mask)375 static bool are_timings_trivially_synchronizable(struct dml2_display_cfg *display_config, int mask)
376 {
377 	unsigned char i;
378 	bool identical = true;
379 	bool contains_drr = false;
380 	unsigned char remap_array[DML2_MAX_PLANES];
381 	unsigned char remap_array_size = 0;
382 
383 	// Create a remap array to enable simple iteration through only masked stream indicies
384 	for (i = 0; i < display_config->num_streams; i++) {
385 		if (mask & (0x1 << i)) {
386 			remap_array[remap_array_size++] = i;
387 		}
388 	}
389 
390 	// 0 or 1 display is always trivially synchronizable
391 	if (remap_array_size <= 1)
392 		return true;
393 
394 	// Check that all displays timings are the same
395 	for (i = 1; i < remap_array_size; i++) {
396 		if (memcmp(&display_config->stream_descriptors[remap_array[i - 1]].timing, &display_config->stream_descriptors[remap_array[i]].timing, sizeof(struct dml2_timing_cfg))) {
397 			identical = false;
398 			break;
399 		}
400 	}
401 
402 	// Check if any displays are drr
403 	for (i = 0; i < remap_array_size; i++) {
404 		if (display_config->stream_descriptors[remap_array[i]].timing.drr_config.enabled) {
405 			contains_drr = true;
406 			break;
407 		}
408 	}
409 
410 	// Trivial sync is possible if all displays are identical and none are DRR
411 	return !contains_drr && identical;
412 }
413 
find_smallest_idle_time_in_vblank_us(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out,int mask)414 static int find_smallest_idle_time_in_vblank_us(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out, int mask)
415 {
416 	unsigned char i;
417 	int min_idle_us = 0;
418 	unsigned char remap_array[DML2_MAX_PLANES];
419 	unsigned char remap_array_size = 0;
420 	const struct dml2_core_mode_support_result *mode_support_result = &in_out->display_cfg->mode_support_result;
421 
422 	// Create a remap array to enable simple iteration through only masked stream indicies
423 	for (i = 0; i < in_out->programming->display_config.num_streams; i++) {
424 		if (mask & (0x1 << i)) {
425 			remap_array[remap_array_size++] = i;
426 		}
427 	}
428 
429 	if (remap_array_size == 0)
430 		return 0;
431 
432 	min_idle_us = mode_support_result->cfg_support_info.stream_support_info[remap_array[0]].vblank_reserved_time_us;
433 
434 	for (i = 1; i < remap_array_size; i++) {
435 		if (min_idle_us > mode_support_result->cfg_support_info.stream_support_info[remap_array[i]].vblank_reserved_time_us)
436 			min_idle_us = mode_support_result->cfg_support_info.stream_support_info[remap_array[i]].vblank_reserved_time_us;
437 	}
438 
439 	return min_idle_us;
440 }
441 
determine_power_management_features_with_vblank_only(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)442 static bool determine_power_management_features_with_vblank_only(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
443 {
444 	int min_idle_us;
445 
446 	if (are_timings_trivially_synchronizable(&in_out->programming->display_config, 0xF)) {
447 		min_idle_us = find_smallest_idle_time_in_vblank_us(in_out, 0xF);
448 
449 		if (min_idle_us >= in_out->soc_bb->power_management_parameters.dram_clk_change_blackout_us)
450 			in_out->programming->uclk_pstate_supported = true;
451 
452 		if (min_idle_us >= in_out->soc_bb->power_management_parameters.fclk_change_blackout_us)
453 			in_out->programming->fclk_pstate_supported = true;
454 	}
455 
456 	return true;
457 }
458 
get_displays_without_vactive_margin_mask(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out,int latency_hiding_requirement_us)459 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)
460 {
461 	unsigned int i;
462 	int displays_without_vactive_margin_mask = 0x0;
463 	const struct dml2_core_mode_support_result *mode_support_result = &in_out->display_cfg->mode_support_result;
464 
465 	for (i = 0; i < in_out->programming->display_config.num_planes; i++) {
466 		if (mode_support_result->cfg_support_info.plane_support_info[i].active_latency_hiding_us
467 			< latency_hiding_requirement_us)
468 			displays_without_vactive_margin_mask |= (0x1 << i);
469 	}
470 
471 	return displays_without_vactive_margin_mask;
472 }
473 
get_displays_with_fams_mask(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out,int latency_hiding_requirement_us)474 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)
475 {
476 	unsigned int i;
477 	int displays_with_fams_mask = 0x0;
478 
479 	for (i = 0; i < in_out->programming->display_config.num_planes; i++) {
480 		if (in_out->programming->display_config.plane_descriptors->overrides.legacy_svp_config != dml2_svp_mode_override_auto)
481 			displays_with_fams_mask |= (0x1 << i);
482 	}
483 
484 	return displays_with_fams_mask;
485 }
486 
determine_power_management_features_with_vactive_and_vblank(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)487 static bool determine_power_management_features_with_vactive_and_vblank(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
488 {
489 	int displays_without_vactive_margin_mask = 0x0;
490 	int min_idle_us = 0;
491 
492 	if (in_out->programming->uclk_pstate_supported == false) {
493 		displays_without_vactive_margin_mask =
494 			get_displays_without_vactive_margin_mask(in_out, (int)(in_out->soc_bb->power_management_parameters.dram_clk_change_blackout_us));
495 
496 		if (are_timings_trivially_synchronizable(&in_out->programming->display_config, displays_without_vactive_margin_mask)) {
497 			min_idle_us = find_smallest_idle_time_in_vblank_us(in_out, displays_without_vactive_margin_mask);
498 
499 			if (min_idle_us >= in_out->soc_bb->power_management_parameters.dram_clk_change_blackout_us)
500 				in_out->programming->uclk_pstate_supported = true;
501 		}
502 	}
503 
504 	if (in_out->programming->fclk_pstate_supported == false) {
505 		displays_without_vactive_margin_mask =
506 			get_displays_without_vactive_margin_mask(in_out, (int)(in_out->soc_bb->power_management_parameters.fclk_change_blackout_us));
507 
508 		if (are_timings_trivially_synchronizable(&in_out->programming->display_config, displays_without_vactive_margin_mask)) {
509 			min_idle_us = find_smallest_idle_time_in_vblank_us(in_out, displays_without_vactive_margin_mask);
510 
511 			if (min_idle_us >= in_out->soc_bb->power_management_parameters.fclk_change_blackout_us)
512 				in_out->programming->fclk_pstate_supported = true;
513 		}
514 	}
515 
516 	return true;
517 }
518 
determine_power_management_features_with_fams(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)519 static bool determine_power_management_features_with_fams(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
520 {
521 	int displays_without_vactive_margin_mask = 0x0;
522 	int displays_without_fams_mask = 0x0;
523 
524 	displays_without_vactive_margin_mask =
525 		get_displays_without_vactive_margin_mask(in_out, (int)(in_out->soc_bb->power_management_parameters.dram_clk_change_blackout_us));
526 
527 	displays_without_fams_mask =
528 		get_displays_with_fams_mask(in_out, (int)(in_out->soc_bb->power_management_parameters.dram_clk_change_blackout_us));
529 
530 	if ((displays_without_vactive_margin_mask & ~displays_without_fams_mask) == 0)
531 		in_out->programming->uclk_pstate_supported = true;
532 
533 	return true;
534 }
535 
clamp_uclk_to_max(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)536 static void clamp_uclk_to_max(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
537 {
538 	in_out->programming->min_clocks.dcn4x.active.uclk_khz = in_out->soc_bb->clk_table.uclk.clk_values_khz[in_out->soc_bb->clk_table.uclk.num_clk_values - 1];
539 	in_out->programming->min_clocks.dcn4x.svp_prefetch.uclk_khz = in_out->soc_bb->clk_table.uclk.clk_values_khz[in_out->soc_bb->clk_table.uclk.num_clk_values - 1];
540 	in_out->programming->min_clocks.dcn4x.idle.uclk_khz = in_out->soc_bb->clk_table.uclk.clk_values_khz[in_out->soc_bb->clk_table.uclk.num_clk_values - 1];
541 }
542 
clamp_fclk_to_max(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)543 static void clamp_fclk_to_max(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
544 {
545 	in_out->programming->min_clocks.dcn4x.active.fclk_khz = in_out->soc_bb->clk_table.fclk.clk_values_khz[in_out->soc_bb->clk_table.fclk.num_clk_values - 1];
546 	in_out->programming->min_clocks.dcn4x.idle.fclk_khz = in_out->soc_bb->clk_table.fclk.clk_values_khz[in_out->soc_bb->clk_table.fclk.num_clk_values - 1];
547 }
548 
map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)549 static bool map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
550 {
551 	int i;
552 	bool result;
553 	double dispclk_khz;
554 	const struct dml2_core_mode_support_result *mode_support_result = &in_out->display_cfg->mode_support_result;
555 
556 	calculate_system_active_minimums(in_out);
557 	calculate_svp_prefetch_minimums(in_out);
558 	calculate_idle_minimums(in_out);
559 
560 	// In NV4, there's no support for FCLK or DCFCLK DPM change before SVP prefetch starts, therefore
561 	// active minimums must be boosted to prefetch minimums
562 	if (in_out->programming->min_clocks.dcn4x.svp_prefetch.uclk_khz > in_out->programming->min_clocks.dcn4x.active.uclk_khz)
563 		in_out->programming->min_clocks.dcn4x.active.uclk_khz = in_out->programming->min_clocks.dcn4x.svp_prefetch.uclk_khz;
564 
565 	if (in_out->programming->min_clocks.dcn4x.svp_prefetch.fclk_khz > in_out->programming->min_clocks.dcn4x.active.fclk_khz)
566 		in_out->programming->min_clocks.dcn4x.active.fclk_khz = in_out->programming->min_clocks.dcn4x.svp_prefetch.fclk_khz;
567 
568 	if (in_out->programming->min_clocks.dcn4x.svp_prefetch.dcfclk_khz > in_out->programming->min_clocks.dcn4x.active.dcfclk_khz)
569 		in_out->programming->min_clocks.dcn4x.active.dcfclk_khz = in_out->programming->min_clocks.dcn4x.svp_prefetch.dcfclk_khz;
570 
571 	// need some massaging for the dispclk ramping cases:
572 	dispclk_khz = mode_support_result->global.dispclk_khz * (1 + in_out->soc_bb->dcn_downspread_percent / 100.0) * (1.0 + in_out->ip->dispclk_ramp_margin_percent / 100.0);
573 	// ramping margin should not make dispclk exceed the maximum dispclk speed:
574 	dispclk_khz = math_min2(dispclk_khz, in_out->min_clk_table->max_clocks_khz.dispclk);
575 	// but still the required dispclk can be more than the maximum dispclk speed:
576 	dispclk_khz = math_max2(dispclk_khz, mode_support_result->global.dispclk_khz * (1 + in_out->soc_bb->dcn_downspread_percent / 100.0));
577 
578 	// DPP Ref is always set to max of all DPP clocks
579 	for (i = 0; i < DML2_MAX_DCN_PIPES; i++) {
580 		if (in_out->programming->min_clocks.dcn4x.dpprefclk_khz < mode_support_result->per_plane[i].dppclk_khz)
581 			in_out->programming->min_clocks.dcn4x.dpprefclk_khz = mode_support_result->per_plane[i].dppclk_khz;
582 	}
583 	in_out->programming->min_clocks.dcn4x.dpprefclk_khz = (unsigned long) (in_out->programming->min_clocks.dcn4x.dpprefclk_khz * (1 + in_out->soc_bb->dcn_downspread_percent / 100.0));
584 
585 	// DTB Ref is always set to max of all DTB clocks
586 	for (i = 0; i < DML2_MAX_DCN_PIPES; i++) {
587 		if (in_out->programming->min_clocks.dcn4x.dtbrefclk_khz < mode_support_result->per_stream[i].dtbclk_khz)
588 			in_out->programming->min_clocks.dcn4x.dtbrefclk_khz = mode_support_result->per_stream[i].dtbclk_khz;
589 	}
590 	in_out->programming->min_clocks.dcn4x.dtbrefclk_khz = (unsigned long)(in_out->programming->min_clocks.dcn4x.dtbrefclk_khz * (1 + in_out->soc_bb->dcn_downspread_percent / 100.0));
591 
592 	if (in_out->soc_bb->no_dfs) {
593 		round_to_non_dfs_granularity((unsigned long)dispclk_khz, in_out->programming->min_clocks.dcn4x.dpprefclk_khz, in_out->programming->min_clocks.dcn4x.dtbrefclk_khz,
594 			&in_out->programming->min_clocks.dcn4x.dispclk_khz, &in_out->programming->min_clocks.dcn4x.dpprefclk_khz, &in_out->programming->min_clocks.dcn4x.dtbrefclk_khz);
595 	} else {
596 		add_margin_and_round_to_dfs_grainularity(dispclk_khz, 0.0,
597 			(unsigned long)(in_out->soc_bb->dispclk_dppclk_vco_speed_mhz * 1000), &in_out->programming->min_clocks.dcn4x.dispclk_khz, &in_out->programming->min_clocks.dcn4x.divider_ids.dispclk_did);
598 
599 		add_margin_and_round_to_dfs_grainularity(in_out->programming->min_clocks.dcn4x.dpprefclk_khz, 0.0,
600 			(unsigned long)(in_out->soc_bb->dispclk_dppclk_vco_speed_mhz * 1000), &in_out->programming->min_clocks.dcn4x.dpprefclk_khz, &in_out->programming->min_clocks.dcn4x.divider_ids.dpprefclk_did);
601 
602 		add_margin_and_round_to_dfs_grainularity(in_out->programming->min_clocks.dcn4x.dtbrefclk_khz, 0.0,
603 			(unsigned long)(in_out->soc_bb->dispclk_dppclk_vco_speed_mhz * 1000), &in_out->programming->min_clocks.dcn4x.dtbrefclk_khz, &in_out->programming->min_clocks.dcn4x.divider_ids.dtbrefclk_did);
604 	}
605 
606 
607 	for (i = 0; i < DML2_MAX_DCN_PIPES; i++) {
608 		in_out->programming->plane_programming[i].min_clocks.dcn4x.dppclk_khz = (unsigned long)(in_out->programming->min_clocks.dcn4x.dpprefclk_khz / 255.0
609 			* math_ceil2(in_out->display_cfg->mode_support_result.per_plane[i].dppclk_khz * (1.0 + in_out->soc_bb->dcn_downspread_percent / 100.0) * 255.0 / in_out->programming->min_clocks.dcn4x.dpprefclk_khz, 1.0));
610 	}
611 
612 	in_out->programming->min_clocks.dcn4x.deepsleep_dcfclk_khz = mode_support_result->global.dcfclk_deepsleep_khz;
613 	in_out->programming->min_clocks.dcn4x.socclk_khz = mode_support_result->global.socclk_khz;
614 
615 	result = map_min_clocks_to_dpm(mode_support_result, in_out->programming, &in_out->soc_bb->clk_table);
616 
617 	// By default, all power management features are not enabled
618 	in_out->programming->fclk_pstate_supported = false;
619 	in_out->programming->uclk_pstate_supported = false;
620 
621 	return result;
622 }
623 
dpmm_dcn3_map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)624 bool dpmm_dcn3_map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
625 {
626 	bool result;
627 
628 	result = map_mode_to_soc_dpm(in_out);
629 
630 	// Check if any can be enabled by nominal vblank idle time
631 	determine_power_management_features_with_vblank_only(in_out);
632 
633 	// Check if any can be enabled in vactive/vblank
634 	determine_power_management_features_with_vactive_and_vblank(in_out);
635 
636 	// Check if any can be enabled via fams
637 	determine_power_management_features_with_fams(in_out);
638 
639 	if (in_out->programming->uclk_pstate_supported == false)
640 		clamp_uclk_to_max(in_out);
641 
642 	if (in_out->programming->fclk_pstate_supported == false)
643 		clamp_fclk_to_max(in_out);
644 
645 	return result;
646 }
647 
dpmm_dcn4_map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out * in_out)648 bool dpmm_dcn4_map_mode_to_soc_dpm(struct dml2_dpmm_map_mode_to_soc_dpm_params_in_out *in_out)
649 {
650 	bool result;
651 	int displays_without_vactive_margin_mask = 0x0;
652 	int min_idle_us = 0;
653 
654 	result = map_mode_to_soc_dpm(in_out);
655 
656 	if (in_out->display_cfg->stage3.success)
657 		in_out->programming->uclk_pstate_supported = true;
658 
659 	displays_without_vactive_margin_mask =
660 		get_displays_without_vactive_margin_mask(in_out, (int)(in_out->soc_bb->power_management_parameters.fclk_change_blackout_us));
661 
662 	if (displays_without_vactive_margin_mask == 0) {
663 		in_out->programming->fclk_pstate_supported = true;
664 	} else {
665 		if (are_timings_trivially_synchronizable(&in_out->programming->display_config, displays_without_vactive_margin_mask)) {
666 			min_idle_us = find_smallest_idle_time_in_vblank_us(in_out, displays_without_vactive_margin_mask);
667 
668 			if (min_idle_us >= in_out->soc_bb->power_management_parameters.fclk_change_blackout_us)
669 				in_out->programming->fclk_pstate_supported = true;
670 		}
671 	}
672 
673 	if (in_out->programming->uclk_pstate_supported == false)
674 		clamp_uclk_to_max(in_out);
675 
676 	if (in_out->programming->fclk_pstate_supported == false)
677 		clamp_fclk_to_max(in_out);
678 
679 	min_idle_us = find_smallest_idle_time_in_vblank_us(in_out, 0xFF);
680 	if (in_out->soc_bb->power_management_parameters.stutter_enter_plus_exit_latency_us > 0 &&
681 		min_idle_us >= in_out->soc_bb->power_management_parameters.stutter_enter_plus_exit_latency_us)
682 		in_out->programming->stutter.supported_in_blank = true;
683 	else
684 		in_out->programming->stutter.supported_in_blank = false;
685 
686 	// TODO: Fix me Sam
687 	if (in_out->soc_bb->power_management_parameters.z8_min_idle_time > 0 &&
688 		in_out->programming->informative.power_management.z8.stutter_period >= in_out->soc_bb->power_management_parameters.z8_min_idle_time)
689 		in_out->programming->z8_stutter.meets_eco = true;
690 	else
691 		in_out->programming->z8_stutter.meets_eco = false;
692 
693 	if (in_out->soc_bb->power_management_parameters.z8_stutter_exit_latency_us > 0 &&
694 		min_idle_us >= in_out->soc_bb->power_management_parameters.z8_stutter_exit_latency_us)
695 		in_out->programming->z8_stutter.supported_in_blank = true;
696 	else
697 		in_out->programming->z8_stutter.supported_in_blank = false;
698 
699 	return result;
700 }
701 
dpmm_dcn4_map_watermarks(struct dml2_dpmm_map_watermarks_params_in_out * in_out)702 bool dpmm_dcn4_map_watermarks(struct dml2_dpmm_map_watermarks_params_in_out *in_out)
703 {
704 	const struct dml2_display_cfg *display_cfg = &in_out->display_cfg->display_config;
705 	const struct dml2_core_internal_display_mode_lib *mode_lib = &in_out->core->clean_me_up.mode_lib;
706 	struct dml2_dchub_global_register_set *dchubbub_regs = &in_out->programming->global_regs;
707 
708 	double refclk_freq_in_mhz = (display_cfg->overrides.hw.dlg_ref_clk_mhz > 0) ? (double)display_cfg->overrides.hw.dlg_ref_clk_mhz : mode_lib->soc.dchub_refclk_mhz;
709 
710 	/* set A */
711 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].fclk_pstate = (int unsigned)(mode_lib->mp.Watermark.FCLKChangeWatermark * refclk_freq_in_mhz);
712 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].sr_enter = (int unsigned)(mode_lib->mp.Watermark.StutterEnterPlusExitWatermark * refclk_freq_in_mhz);
713 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].sr_exit = (int unsigned)(mode_lib->mp.Watermark.StutterExitWatermark * refclk_freq_in_mhz);
714 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].temp_read_or_ppt = (int unsigned)(mode_lib->mp.Watermark.g6_temp_read_watermark_us * refclk_freq_in_mhz);
715 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].uclk_pstate = (int unsigned)(mode_lib->mp.Watermark.DRAMClockChangeWatermark * refclk_freq_in_mhz);
716 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].urgent = (int unsigned)(mode_lib->mp.Watermark.UrgentWatermark * refclk_freq_in_mhz);
717 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].usr = (int unsigned)(mode_lib->mp.Watermark.USRRetrainingWatermark * refclk_freq_in_mhz);
718 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].refcyc_per_trip_to_mem = (unsigned int)(mode_lib->mp.Watermark.UrgentWatermark * refclk_freq_in_mhz);
719 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].refcyc_per_meta_trip_to_mem = (unsigned int)(mode_lib->mp.Watermark.UrgentWatermark * refclk_freq_in_mhz);
720 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].frac_urg_bw_flip = (unsigned int)(mode_lib->mp.FractionOfUrgentBandwidthImmediateFlip * 1000);
721 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].frac_urg_bw_nom = (unsigned int)(mode_lib->mp.FractionOfUrgentBandwidth * 1000);
722 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_A].frac_urg_bw_mall = (unsigned int)(mode_lib->mp.FractionOfUrgentBandwidthMALL * 1000);
723 
724 	/* set B */
725 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].fclk_pstate = (int unsigned)(mode_lib->mp.Watermark.FCLKChangeWatermark * refclk_freq_in_mhz);
726 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].sr_enter = (int unsigned)(mode_lib->mp.Watermark.StutterEnterPlusExitWatermark * refclk_freq_in_mhz);
727 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].sr_exit = (int unsigned)(mode_lib->mp.Watermark.StutterExitWatermark * refclk_freq_in_mhz);
728 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].temp_read_or_ppt = (int unsigned)(mode_lib->mp.Watermark.g6_temp_read_watermark_us * refclk_freq_in_mhz);
729 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].uclk_pstate = (int unsigned)(mode_lib->mp.Watermark.DRAMClockChangeWatermark * refclk_freq_in_mhz);
730 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].urgent = (int unsigned)(mode_lib->mp.Watermark.UrgentWatermark * refclk_freq_in_mhz);
731 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].usr = (int unsigned)(mode_lib->mp.Watermark.USRRetrainingWatermark * refclk_freq_in_mhz);
732 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].refcyc_per_trip_to_mem = (unsigned int)(mode_lib->mp.Watermark.UrgentWatermark * refclk_freq_in_mhz);
733 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].refcyc_per_meta_trip_to_mem = (unsigned int)(mode_lib->mp.Watermark.UrgentWatermark * refclk_freq_in_mhz);
734 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].frac_urg_bw_flip = (unsigned int)(mode_lib->mp.FractionOfUrgentBandwidthImmediateFlip * 1000);
735 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].frac_urg_bw_nom = (unsigned int)(mode_lib->mp.FractionOfUrgentBandwidth * 1000);
736 	dchubbub_regs->wm_regs[DML2_DCHUB_WATERMARK_SET_B].frac_urg_bw_mall = (unsigned int)(mode_lib->mp.FractionOfUrgentBandwidthMALL * 1000);
737 
738 	dchubbub_regs->num_watermark_sets = 2;
739 
740 	return true;
741 }
742