drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c

   1 /*
   2  * Copyright 2019-2021 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25 #include "resource.h"
  26 #include "clk_mgr.h"
  27 #include "dcn20/dcn20_resource.h"
  28 #include "dcn301/dcn301_resource.h"
  29
  30 #include "dml/dcn20/dcn20_fpu.h"
  31 #include "dcn301_fpu.h"
  32
  33 #define TO_DCN301_RES_POOL(pool)\
  34         container_of(pool, struct dcn301_resource_pool, base)
  35
  36 /* Based on: //vidip/dc/dcn3/doc/architecture/DCN3x_Display_Mode.xlsm#83 */
  37 struct _vcs_dpi_ip_params_st dcn3_01_ip = {
  38         .odm_capable = 1,
  39         .gpuvm_enable = 1,
  40         .hostvm_enable = 1,
  41         .gpuvm_max_page_table_levels = 1,
  42         .hostvm_max_page_table_levels = 2,
  43         .hostvm_cached_page_table_levels = 0,
  44         .pte_group_size_bytes = 2048,
  45         .num_dsc = 3,
  46         .rob_buffer_size_kbytes = 184,
  47         .det_buffer_size_kbytes = 184,
  48         .dpte_buffer_size_in_pte_reqs_luma = 64,
  49         .dpte_buffer_size_in_pte_reqs_chroma = 32,
  50         .pde_proc_buffer_size_64k_reqs = 48,
  51         .dpp_output_buffer_pixels = 2560,
  52         .opp_output_buffer_lines = 1,
  53         .pixel_chunk_size_kbytes = 8,
  54         .meta_chunk_size_kbytes = 2,
  55         .writeback_chunk_size_kbytes = 8,
  56         .line_buffer_size_bits = 789504,
  57         .is_line_buffer_bpp_fixed = 0,  // ?
  58         .line_buffer_fixed_bpp = 48,     // ?
  59         .dcc_supported = true,
  60         .writeback_interface_buffer_size_kbytes = 90,
  61         .writeback_line_buffer_buffer_size = 656640,
  62         .max_line_buffer_lines = 12,
  63         .writeback_luma_buffer_size_kbytes = 12,  // writeback_line_buffer_buffer_size = 656640
  64         .writeback_chroma_buffer_size_kbytes = 8,
  65         .writeback_chroma_line_buffer_width_pixels = 4,
  66         .writeback_max_hscl_ratio = 1,
  67         .writeback_max_vscl_ratio = 1,
  68         .writeback_min_hscl_ratio = 1,
  69         .writeback_min_vscl_ratio = 1,
  70         .writeback_max_hscl_taps = 1,
  71         .writeback_max_vscl_taps = 1,
  72         .writeback_line_buffer_luma_buffer_size = 0,
  73         .writeback_line_buffer_chroma_buffer_size = 14643,
  74         .cursor_buffer_size = 8,
  75         .cursor_chunk_size = 2,
  76         .max_num_otg = 4,
  77         .max_num_dpp = 4,
  78         .max_num_wb = 1,
  79         .max_dchub_pscl_bw_pix_per_clk = 4,
  80         .max_pscl_lb_bw_pix_per_clk = 2,
  81         .max_lb_vscl_bw_pix_per_clk = 4,
  82         .max_vscl_hscl_bw_pix_per_clk = 4,
  83         .max_hscl_ratio = 6,
  84         .max_vscl_ratio = 6,
  85         .hscl_mults = 4,
  86         .vscl_mults = 4,
  87         .max_hscl_taps = 8,
  88         .max_vscl_taps = 8,
  89         .dispclk_ramp_margin_percent = 1,
  90         .underscan_factor = 1.11,
  91         .min_vblank_lines = 32,
  92         .dppclk_delay_subtotal = 46,
  93         .dynamic_metadata_vm_enabled = true,
  94         .dppclk_delay_scl_lb_only = 16,
  95         .dppclk_delay_scl = 50,
  96         .dppclk_delay_cnvc_formatter = 27,
  97         .dppclk_delay_cnvc_cursor = 6,
  98         .dispclk_delay_subtotal = 119,
  99         .dcfclk_cstate_latency = 5.2, // SRExitTime
 100         .max_inter_dcn_tile_repeaters = 8,
 101         .max_num_hdmi_frl_outputs = 0,
 102         .odm_combine_4to1_supported = true,
 103
 104         .xfc_supported = false,
 105         .xfc_fill_bw_overhead_percent = 10.0,
 106         .xfc_fill_constant_bytes = 0,
 107         .gfx7_compat_tiling_supported = 0,
 108         .number_of_cursors = 1,
 109 };
 110
 111 struct _vcs_dpi_soc_bounding_box_st dcn3_01_soc = {
 112         .clock_limits = {
 113                 {
 114                         .state = 0,
 115                         .dram_speed_mts = 2400.0,
 116                         .fabricclk_mhz = 600,
 117                         .socclk_mhz = 278.0,
 118                         .dcfclk_mhz = 400.0,
 119                         .dscclk_mhz = 206.0,
 120                         .dppclk_mhz = 1015.0,
 121                         .dispclk_mhz = 1015.0,
 122                         .phyclk_mhz = 600.0,
 123                 },
 124
 125                 {
 126                         .state = 1,
 127                         .dram_speed_mts = 2400.0,
 128                         .fabricclk_mhz = 688,
 129                         .socclk_mhz = 278.0,
 130                         .dcfclk_mhz = 400.0,
 131                         .dscclk_mhz = 206.0,
 132                         .dppclk_mhz = 1015.0,
 133                         .dispclk_mhz = 1015.0,
 134                         .phyclk_mhz = 600.0,
 135                 },
 136
 137                 {
 138                         .state = 2,
 139                         .dram_speed_mts = 4267.0,
 140                         .fabricclk_mhz = 1067,
 141                         .socclk_mhz = 278.0,
 142                         .dcfclk_mhz = 608.0,
 143                         .dscclk_mhz = 296.0,
 144                         .dppclk_mhz = 1015.0,
 145                         .dispclk_mhz = 1015.0,
 146                         .phyclk_mhz = 810.0,
 147                 },
 148
 149                 {
 150                         .state = 3,
 151                         .dram_speed_mts = 4267.0,
 152                         .fabricclk_mhz = 1067,
 153                         .socclk_mhz = 715.0,
 154                         .dcfclk_mhz = 676.0,
 155                         .dscclk_mhz = 338.0,
 156                         .dppclk_mhz = 1015.0,
 157                         .dispclk_mhz = 1015.0,
 158                         .phyclk_mhz = 810.0,
 159                 },
 160
 161                 {
 162                         .state = 4,
 163                         .dram_speed_mts = 4267.0,
 164                         .fabricclk_mhz = 1067,
 165                         .socclk_mhz = 953.0,
 166                         .dcfclk_mhz = 810.0,
 167                         .dscclk_mhz = 338.0,
 168                         .dppclk_mhz = 1015.0,
 169                         .dispclk_mhz = 1015.0,
 170                         .phyclk_mhz = 810.0,
 171                 },
 172         },
 173
 174         .sr_exit_time_us = 9.0,
 175         .sr_enter_plus_exit_time_us = 11.0,
 176         .urgent_latency_us = 4.0,
 177         .urgent_latency_pixel_data_only_us = 4.0,
 178         .urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
 179         .urgent_latency_vm_data_only_us = 4.0,
 180         .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
 181         .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
 182         .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
 183         .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 80.0,
 184         .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 75.0,
 185         .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 40.0,
 186         .max_avg_sdp_bw_use_normal_percent = 60.0,
 187         .max_avg_dram_bw_use_normal_percent = 60.0,
 188         .writeback_latency_us = 12.0,
 189         .max_request_size_bytes = 256,
 190         .dram_channel_width_bytes = 4,
 191         .fabric_datapath_to_dcn_data_return_bytes = 32,
 192         .dcn_downspread_percent = 0.5,
 193         .downspread_percent = 0.38,
 194         .dram_page_open_time_ns = 50.0,
 195         .dram_rw_turnaround_time_ns = 17.5,
 196         .dram_return_buffer_per_channel_bytes = 8192,
 197         .round_trip_ping_latency_dcfclk_cycles = 191,
 198         .urgent_out_of_order_return_per_channel_bytes = 4096,
 199         .channel_interleave_bytes = 256,
 200         .num_banks = 8,
 201         .num_chans = 4,
 202         .gpuvm_min_page_size_bytes = 4096,
 203         .hostvm_min_page_size_bytes = 4096,
 204         .dram_clock_change_latency_us = 23.84,
 205         .writeback_dram_clock_change_latency_us = 23.0,
 206         .return_bus_width_bytes = 64,
 207         .dispclk_dppclk_vco_speed_mhz = 3550,
 208         .xfc_bus_transport_time_us = 20,      // ?
 209         .xfc_xbuf_latency_tolerance_us = 4,  // ?
 210         .use_urgent_burst_bw = 1,            // ?
 211         .num_states = 5,
 212         .do_urgent_latency_adjustment = false,
 213         .urgent_latency_adjustment_fabric_clock_component_us = 0,
 214         .urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
 215 };
 216
 217 struct wm_table ddr4_wm_table = {
 218         .entries = {
 219                 {
 220                         .wm_inst = WM_A,
 221                         .wm_type = WM_TYPE_PSTATE_CHG,
 222                         .pstate_latency_us = 11.72,
 223                         .sr_exit_time_us = 6.09,
 224                         .sr_enter_plus_exit_time_us = 7.14,
 225                         .valid = true,
 226                 },
 227                 {
 228                         .wm_inst = WM_B,
 229                         .wm_type = WM_TYPE_PSTATE_CHG,
 230                         .pstate_latency_us = 11.72,
 231                         .sr_exit_time_us = 10.12,
 232                         .sr_enter_plus_exit_time_us = 11.48,
 233                         .valid = true,
 234                 },
 235                 {
 236                         .wm_inst = WM_C,
 237                         .wm_type = WM_TYPE_PSTATE_CHG,
 238                         .pstate_latency_us = 11.72,
 239                         .sr_exit_time_us = 10.12,
 240                         .sr_enter_plus_exit_time_us = 11.48,
 241                         .valid = true,
 242                 },
 243                 {
 244                         .wm_inst = WM_D,
 245                         .wm_type = WM_TYPE_PSTATE_CHG,
 246                         .pstate_latency_us = 11.72,
 247                         .sr_exit_time_us = 10.12,
 248                         .sr_enter_plus_exit_time_us = 11.48,
 249                         .valid = true,
 250                 },
 251         }
 252 };
 253
 254 struct wm_table lpddr5_wm_table = {
 255         .entries = {
 256                 {
 257                         .wm_inst = WM_A,
 258                         .wm_type = WM_TYPE_PSTATE_CHG,
 259                         .pstate_latency_us = 11.65333,
 260                         .sr_exit_time_us = 13.5,
 261                         .sr_enter_plus_exit_time_us = 16.5,
 262                         .valid = true,
 263                 },
 264                 {
 265                         .wm_inst = WM_B,
 266                         .wm_type = WM_TYPE_PSTATE_CHG,
 267                         .pstate_latency_us = 11.65333,
 268                         .sr_exit_time_us = 13.5,
 269                         .sr_enter_plus_exit_time_us = 16.5,
 270                         .valid = true,
 271                 },
 272                 {
 273                         .wm_inst = WM_C,
 274                         .wm_type = WM_TYPE_PSTATE_CHG,
 275                         .pstate_latency_us = 11.65333,
 276                         .sr_exit_time_us = 13.5,
 277                         .sr_enter_plus_exit_time_us = 16.5,
 278                         .valid = true,
 279                 },
 280                 {
 281                         .wm_inst = WM_D,
 282                         .wm_type = WM_TYPE_PSTATE_CHG,
 283                         .pstate_latency_us = 11.65333,
 284                         .sr_exit_time_us = 13.5,
 285                         .sr_enter_plus_exit_time_us = 16.5,
 286                         .valid = true,
 287                 },
 288         }
 289 };
 290
 291 static void calculate_wm_set_for_vlevel(int vlevel,
 292                 struct wm_range_table_entry *table_entry,
 293                 struct dcn_watermarks *wm_set,
 294                 struct display_mode_lib *dml,
 295                 display_e2e_pipe_params_st *pipes,
 296                 int pipe_cnt)
 297 {
 298         double dram_clock_change_latency_cached = dml->soc.dram_clock_change_latency_us;
 299
 300         ASSERT(vlevel < dml->soc.num_states);
 301         /* only pipe 0 is read for voltage and dcf/soc clocks */
 302         pipes[0].clks_cfg.voltage = vlevel;
 303         pipes[0].clks_cfg.dcfclk_mhz = dml->soc.clock_limits[vlevel].dcfclk_mhz;
 304         pipes[0].clks_cfg.socclk_mhz = dml->soc.clock_limits[vlevel].socclk_mhz;
 305
 306         dml->soc.dram_clock_change_latency_us = table_entry->pstate_latency_us;
 307         dml->soc.sr_exit_time_us = table_entry->sr_exit_time_us;
 308         dml->soc.sr_enter_plus_exit_time_us = table_entry->sr_enter_plus_exit_time_us;
 309
 310         wm_set->urgent_ns = get_wm_urgent(dml, pipes, pipe_cnt) * 1000;
 311         wm_set->cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(dml, pipes, pipe_cnt) * 1000;
 312         wm_set->cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(dml, pipes, pipe_cnt) * 1000;
 313         wm_set->cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(dml, pipes, pipe_cnt) * 1000;
 314         wm_set->pte_meta_urgent_ns = get_wm_memory_trip(dml, pipes, pipe_cnt) * 1000;
 315         wm_set->frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(dml, pipes, pipe_cnt) * 1000;
 316         wm_set->frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(dml, pipes, pipe_cnt) * 1000;
 317         wm_set->urgent_latency_ns = get_urgent_latency(dml, pipes, pipe_cnt) * 1000;
 318         dml->soc.dram_clock_change_latency_us = dram_clock_change_latency_cached;
 319
 320 }
 321
 322 void dcn301_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params)
 323 {
 324         struct dcn301_resource_pool *pool = TO_DCN301_RES_POOL(dc->res_pool);
 325         struct clk_limit_table *clk_table = &bw_params->clk_table;
 326         unsigned int i, closest_clk_lvl;
 327         int j;
 328
 329         dc_assert_fp_enabled();
 330
 331         memcpy(&dcn3_01_soc._clock_tmp, &dcn3_01_soc.clock_limits,
 332                sizeof(dcn3_01_soc.clock_limits));
 333
 334         /* Default clock levels are used for diags, which may lead to overclocking. */
 335         if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
 336                 dcn3_01_ip.max_num_otg = pool->base.res_cap->num_timing_generator;
 337                 dcn3_01_ip.max_num_dpp = pool->base.pipe_count;
 338                 dcn3_01_soc.num_chans = bw_params->num_channels;
 339
 340                 ASSERT(clk_table->num_entries);
 341                 for (i = 0; i < clk_table->num_entries; i++) {
 342                         /* loop backwards*/
 343                         for (closest_clk_lvl = 0, j = dcn3_01_soc.num_states - 1; j >= 0; j--) {
 344                                 if ((unsigned int) dcn3_01_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) {
 345                                         closest_clk_lvl = j;
 346                                         break;
 347                                 }
 348                         }
 349
 350                         dcn3_01_soc._clock_tmp[i].state = i;
 351                         dcn3_01_soc._clock_tmp[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz;
 352                         dcn3_01_soc._clock_tmp[i].fabricclk_mhz = clk_table->entries[i].fclk_mhz;
 353                         dcn3_01_soc._clock_tmp[i].socclk_mhz = clk_table->entries[i].socclk_mhz;
 354                         dcn3_01_soc._clock_tmp[i].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2;
 355
 356                         dcn3_01_soc._clock_tmp[i].dispclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
 357                         dcn3_01_soc._clock_tmp[i].dppclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
 358                         dcn3_01_soc._clock_tmp[i].dram_bw_per_chan_gbps = dcn3_01_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
 359                         dcn3_01_soc._clock_tmp[i].dscclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
 360                         dcn3_01_soc._clock_tmp[i].dtbclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
 361                         dcn3_01_soc._clock_tmp[i].phyclk_d18_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
 362                         dcn3_01_soc._clock_tmp[i].phyclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
 363                 }
 364
 365                 if (clk_table->num_entries) {
 366                         dcn3_01_soc.num_states = clk_table->num_entries;
 367                         /* duplicate last level */
 368                         dcn3_01_soc._clock_tmp[dcn3_01_soc.num_states] = dcn3_01_soc.clock_limits[dcn3_01_soc.num_states - 1];
 369                         dcn3_01_soc._clock_tmp[dcn3_01_soc.num_states].state = dcn3_01_soc.num_states;
 370                 }
 371         }
 372
 373         memcpy(&dcn3_01_soc.clock_limits, &dcn3_01_soc._clock_tmp,
 374                sizeof(dcn3_01_soc.clock_limits));
 375
 376         dcn3_01_soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
 377         dc->dml.soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
 378
 379         dml_init_instance(&dc->dml, &dcn3_01_soc, &dcn3_01_ip, DML_PROJECT_DCN30);
 380 }
 381
 382 void dcn301_fpu_set_wm_ranges(int i,
 383         struct pp_smu_wm_range_sets *ranges,
 384         struct _vcs_dpi_soc_bounding_box_st *loaded_bb)
 385 {
 386         dc_assert_fp_enabled();
 387
 388         ranges->reader_wm_sets[i].min_fill_clk_mhz = (i > 0) ? (loaded_bb->clock_limits[i - 1].dram_speed_mts / 16) + 1 : 0;
 389         ranges->reader_wm_sets[i].max_fill_clk_mhz = loaded_bb->clock_limits[i].dram_speed_mts / 16;
 390 }
 391
 392 void dcn301_fpu_init_soc_bounding_box(struct bp_soc_bb_info bb_info)
 393 {
 394         dc_assert_fp_enabled();
 395
 396         if (bb_info.dram_clock_change_latency_100ns > 0)
 397                 dcn3_01_soc.dram_clock_change_latency_us = bb_info.dram_clock_change_latency_100ns * 10;
 398
 399         if (bb_info.dram_sr_enter_exit_latency_100ns > 0)
 400                 dcn3_01_soc.sr_enter_plus_exit_time_us = bb_info.dram_sr_enter_exit_latency_100ns * 10;
 401
 402         if (bb_info.dram_sr_exit_latency_100ns > 0)
 403                 dcn3_01_soc.sr_exit_time_us = bb_info.dram_sr_exit_latency_100ns * 10;
 404 }
 405
 406 void dcn301_calculate_wm_and_dlg_fp(struct dc *dc,
 407                 struct dc_state *context,
 408                 display_e2e_pipe_params_st *pipes,
 409                 int pipe_cnt,
 410                 int vlevel_req)
 411 {
 412         int i, pipe_idx;
 413         int vlevel, vlevel_max;
 414         struct wm_range_table_entry *table_entry;
 415         struct clk_bw_params *bw_params = dc->clk_mgr->bw_params;
 416
 417         ASSERT(bw_params);
 418         dc_assert_fp_enabled();
 419
 420         vlevel_max = bw_params->clk_table.num_entries - 1;
 421
 422         /* WM Set D */
 423         table_entry = &bw_params->wm_table.entries[WM_D];
 424         if (table_entry->wm_type == WM_TYPE_RETRAINING)
 425                 vlevel = 0;
 426         else
 427                 vlevel = vlevel_max;
 428         calculate_wm_set_for_vlevel(vlevel, table_entry, &context->bw_ctx.bw.dcn.watermarks.d,
 429                                                 &context->bw_ctx.dml, pipes, pipe_cnt);
 430         /* WM Set C */
 431         table_entry = &bw_params->wm_table.entries[WM_C];
 432         vlevel = min(max(vlevel_req, 2), vlevel_max);
 433         calculate_wm_set_for_vlevel(vlevel, table_entry, &context->bw_ctx.bw.dcn.watermarks.c,
 434                                                 &context->bw_ctx.dml, pipes, pipe_cnt);
 435         /* WM Set B */
 436         table_entry = &bw_params->wm_table.entries[WM_B];
 437         vlevel = min(max(vlevel_req, 1), vlevel_max);
 438         calculate_wm_set_for_vlevel(vlevel, table_entry, &context->bw_ctx.bw.dcn.watermarks.b,
 439                                                 &context->bw_ctx.dml, pipes, pipe_cnt);
 440
 441         /* WM Set A */
 442         table_entry = &bw_params->wm_table.entries[WM_A];
 443         vlevel = min(vlevel_req, vlevel_max);
 444         calculate_wm_set_for_vlevel(vlevel, table_entry, &context->bw_ctx.bw.dcn.watermarks.a,
 445                                                 &context->bw_ctx.dml, pipes, pipe_cnt);
 446
 447         for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
 448                 if (!context->res_ctx.pipe_ctx[i].stream)
 449                         continue;
 450
 451                 pipes[pipe_idx].clks_cfg.dispclk_mhz = get_dispclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt);
 452                 pipes[pipe_idx].clks_cfg.dppclk_mhz = get_dppclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
 453
 454                 if (dc->config.forced_clocks) {
 455                         pipes[pipe_idx].clks_cfg.dispclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dispclk_mhz;
 456                         pipes[pipe_idx].clks_cfg.dppclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dppclk_mhz;
 457                 }
 458                 if (dc->debug.min_disp_clk_khz > pipes[pipe_idx].clks_cfg.dispclk_mhz * 1000)
 459                         pipes[pipe_idx].clks_cfg.dispclk_mhz = dc->debug.min_disp_clk_khz / 1000.0;
 460                 if (dc->debug.min_dpp_clk_khz > pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
 461                         pipes[pipe_idx].clks_cfg.dppclk_mhz = dc->debug.min_dpp_clk_khz / 1000.0;
 462                 pipe_idx++;
 463         }
 464
 465         dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);
 466 }