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dcn316_clk_mgr.c
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linux-6.19.14/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
1/* 2 * Copyright 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 26 27 28#include "dccg.h" 29#include "clk_mgr_internal.h" 30 31// For dce12_get_dp_ref_freq_khz 32#include "dce100/dce_clk_mgr.h" 33// For dcn20_update_clocks_update_dpp_dto 34#include "dcn20/dcn20_clk_mgr.h" 35#include "dcn31/dcn31_clk_mgr.h" 36#include "dcn316_clk_mgr.h" 37#include "reg_helper.h" 38#include "core_types.h" 39#include "dcn316_smu.h" 40#include "dm_helpers.h" 41#include "dc_dmub_srv.h" 42#include "link_service.h" 43 44// DCN316 this is CLK1 instance 45#define MAX_INSTANCE 7 46#define MAX_SEGMENT 6 47 48struct IP_BASE_INSTANCE { 49 unsigned int segment[MAX_SEGMENT]; 50}; 51 52struct IP_BASE { 53 struct IP_BASE_INSTANCE instance[MAX_INSTANCE]; 54}; 55 56#define regCLK1_CLK_PLL_REQ 0x0237 57#define regCLK1_CLK_PLL_REQ_BASE_IDX 0 58 59#define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0 60#define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc 61#define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10 62#define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL 63#define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L 64#define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L 65 66#define TO_CLK_MGR_DCN316(clk_mgr)\ 67 container_of(clk_mgr, struct clk_mgr_dcn316, base) 68 69static int dcn316_get_active_display_cnt_wa( 70 struct dc *dc, 71 struct dc_state *context) 72{ 73 int i, display_count; 74 bool tmds_present = false; 75 76 display_count = 0; 77 for (i = 0; i < context->stream_count; i++) { 78 const struct dc_stream_state *stream = context->streams[i]; 79 80 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A || 81 stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || 82 stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) 83 tmds_present = true; 84 } 85 86 for (i = 0; i < dc->link_count; i++) { 87 const struct dc_link *link = dc->links[i]; 88 89 /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */ 90 if (link->link_enc && link->link_enc->funcs->is_dig_enabled && 91 link->link_enc->funcs->is_dig_enabled(link->link_enc)) 92 display_count++; 93 } 94 95 /* WA for hang on HDMI after display off back back on*/ 96 if (display_count == 0 && tmds_present) 97 display_count = 1; 98 99 return display_count; 100} 101 102static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, 103 bool safe_to_lower, bool disable) 104{ 105 struct dc *dc = clk_mgr_base->ctx->dc; 106 int i; 107 108 for (i = 0; i < dc->res_pool->pipe_count; ++i) { 109 struct pipe_ctx *pipe = safe_to_lower 110 ? &context->res_ctx.pipe_ctx[i] 111 : &dc->current_state->res_ctx.pipe_ctx[i]; 112 113 if (pipe->top_pipe || pipe->prev_odm_pipe) 114 continue; 115 if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || 116 !pipe->stream->link_enc)) { 117 if (disable) { 118 if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc) 119 pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg); 120 121 reset_sync_context_for_pipe(dc, context, i); 122 } else 123 pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); 124 } 125 } 126} 127 128static void dcn316_enable_pme_wa(struct clk_mgr *clk_mgr_base) 129{ 130 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); 131 132 dcn316_smu_enable_pme_wa(clk_mgr); 133} 134 135static void dcn316_update_clocks(struct clk_mgr *clk_mgr_base, 136 struct dc_state *context, 137 bool safe_to_lower) 138{ 139 union dmub_rb_cmd cmd; 140 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); 141 struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; 142 struct dc *dc = clk_mgr_base->ctx->dc; 143 int display_count = 0; 144 bool update_dppclk = false; 145 bool update_dispclk = false; 146 bool dpp_clock_lowered = false; 147 148 if (dc->work_arounds.skip_clock_update) 149 return; 150 151 /* 152 * if it is safe to lower, but we are already in the lower state, we don't have to do anything 153 * also if safe to lower is false, we just go in the higher state 154 */ 155 clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; 156 if (safe_to_lower) { 157 if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) { 158 dcn316_smu_set_dtbclk(clk_mgr, false); 159 clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; 160 } 161 /* check that we're not already in lower */ 162 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { 163 display_count = dcn316_get_active_display_cnt_wa(dc, context); 164 /* if we can go lower, go lower */ 165 if (display_count == 0) { 166 union display_idle_optimization_u idle_info = { 0 }; 167 idle_info.idle_info.df_request_disabled = 1; 168 idle_info.idle_info.phy_ref_clk_off = 1; 169 idle_info.idle_info.s0i2_rdy = 1; 170 dcn316_smu_set_display_idle_optimization(clk_mgr, idle_info.data); 171 /* update power state */ 172 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; 173 } 174 } 175 } else { 176 if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) { 177 dcn316_smu_set_dtbclk(clk_mgr, true); 178 clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; 179 } 180 181 /* check that we're not already in D0 */ 182 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) { 183 union display_idle_optimization_u idle_info = { 0 }; 184 dcn316_smu_set_display_idle_optimization(clk_mgr, idle_info.data); 185 /* update power state */ 186 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_MISSION_MODE; 187 } 188 } 189 190 if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { 191 clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; 192 dcn316_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz); 193 } 194 195 if (should_set_clock(safe_to_lower, 196 new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { 197 clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; 198 dcn316_smu_set_min_deep_sleep_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz); 199 } 200 201 // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. 202 if (new_clocks->dppclk_khz < 100000) 203 new_clocks->dppclk_khz = 100000; 204 205 if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { 206 if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) 207 dpp_clock_lowered = true; 208 clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; 209 update_dppclk = true; 210 } 211 212 if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz) && 213 (new_clocks->dispclk_khz > 0 || (safe_to_lower && display_count == 0))) { 214 int requested_dispclk_khz = new_clocks->dispclk_khz; 215 216 dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true); 217 218 /* Clamp the requested clock to PMFW based on their limit. */ 219 if (dc->debug.min_disp_clk_khz > 0 && requested_dispclk_khz < dc->debug.min_disp_clk_khz) 220 requested_dispclk_khz = dc->debug.min_disp_clk_khz; 221 222 dcn316_smu_set_dispclk(clk_mgr, requested_dispclk_khz); 223 clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; 224 dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false); 225 226 update_dispclk = true; 227 } 228 229 if (dpp_clock_lowered) { 230 // increase per DPP DTO before lowering global dppclk 231 dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); 232 dcn316_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); 233 } else { 234 // increase global DPPCLK before lowering per DPP DTO 235 if (update_dppclk || update_dispclk) 236 dcn316_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); 237 // always update dtos unless clock is lowered and not safe to lower 238 if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) 239 dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); 240 } 241 242 // notify DMCUB of latest clocks 243 memset(&cmd, 0, sizeof(cmd)); 244 cmd.notify_clocks.header.type = DMUB_CMD__CLK_MGR; 245 cmd.notify_clocks.header.sub_type = DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS; 246 cmd.notify_clocks.clocks.dcfclk_khz = clk_mgr_base->clks.dcfclk_khz; 247 cmd.notify_clocks.clocks.dcfclk_deep_sleep_khz = 248 clk_mgr_base->clks.dcfclk_deep_sleep_khz; 249 cmd.notify_clocks.clocks.dispclk_khz = clk_mgr_base->clks.dispclk_khz; 250 cmd.notify_clocks.clocks.dppclk_khz = clk_mgr_base->clks.dppclk_khz; 251 252 dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); 253} 254 255static void dcn316_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, 256 struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info) 257{ 258 return; 259} 260 261static struct clk_bw_params dcn316_bw_params = { 262 .vram_type = Ddr4MemType, 263 .num_channels = 1, 264 .clk_table = { 265 .num_entries = 5, 266 }, 267 268}; 269 270static struct wm_table ddr4_wm_table = { 271 .entries = { 272 { 273 .wm_inst = WM_A, 274 .wm_type = WM_TYPE_PSTATE_CHG, 275 .pstate_latency_us = 11.72, 276 .sr_exit_time_us = 6.09, 277 .sr_enter_plus_exit_time_us = 7.14, 278 .valid = true, 279 }, 280 { 281 .wm_inst = WM_B, 282 .wm_type = WM_TYPE_PSTATE_CHG, 283 .pstate_latency_us = 11.72, 284 .sr_exit_time_us = 10.12, 285 .sr_enter_plus_exit_time_us = 11.48, 286 .valid = true, 287 }, 288 { 289 .wm_inst = WM_C, 290 .wm_type = WM_TYPE_PSTATE_CHG, 291 .pstate_latency_us = 11.72, 292 .sr_exit_time_us = 10.12, 293 .sr_enter_plus_exit_time_us = 11.48, 294 .valid = true, 295 }, 296 { 297 .wm_inst = WM_D, 298 .wm_type = WM_TYPE_PSTATE_CHG, 299 .pstate_latency_us = 11.72, 300 .sr_exit_time_us = 10.12, 301 .sr_enter_plus_exit_time_us = 11.48, 302 .valid = true, 303 }, 304 } 305}; 306 307static struct wm_table lpddr5_wm_table = { 308 .entries = { 309 { 310 .wm_inst = WM_A, 311 .wm_type = WM_TYPE_PSTATE_CHG, 312 .pstate_latency_us = 11.65333, 313 .sr_exit_time_us = 11.5, 314 .sr_enter_plus_exit_time_us = 14.5, 315 .valid = true, 316 }, 317 { 318 .wm_inst = WM_B, 319 .wm_type = WM_TYPE_PSTATE_CHG, 320 .pstate_latency_us = 11.65333, 321 .sr_exit_time_us = 11.5, 322 .sr_enter_plus_exit_time_us = 14.5, 323 .valid = true, 324 }, 325 { 326 .wm_inst = WM_C, 327 .wm_type = WM_TYPE_PSTATE_CHG, 328 .pstate_latency_us = 11.65333, 329 .sr_exit_time_us = 11.5, 330 .sr_enter_plus_exit_time_us = 14.5, 331 .valid = true, 332 }, 333 { 334 .wm_inst = WM_D, 335 .wm_type = WM_TYPE_PSTATE_CHG, 336 .pstate_latency_us = 11.65333, 337 .sr_exit_time_us = 11.5, 338 .sr_enter_plus_exit_time_us = 14.5, 339 .valid = true, 340 }, 341 } 342}; 343 344static DpmClocks_316_t dummy_clocks; 345 346static struct dcn316_watermarks dummy_wms = { 0 }; 347 348static void dcn316_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn316_watermarks *table) 349{ 350 int i, num_valid_sets; 351 352 num_valid_sets = 0; 353 354 for (i = 0; i < WM_SET_COUNT; i++) { 355 /* skip empty entries, the smu array has no holes*/ 356 if (!bw_params->wm_table.entries[i].valid) 357 continue; 358 359 table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmSetting = bw_params->wm_table.entries[i].wm_inst; 360 table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType = bw_params->wm_table.entries[i].wm_type; 361 /* We will not select WM based on fclk, so leave it as unconstrained */ 362 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0; 363 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF; 364 365 if (table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType == WM_TYPE_PSTATE_CHG) { 366 if (i == 0) 367 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = 0; 368 else { 369 /* add 1 to make it non-overlapping with next lvl */ 370 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = 371 bw_params->clk_table.entries[i - 1].dcfclk_mhz + 1; 372 } 373 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxMclk = 374 bw_params->clk_table.entries[i].dcfclk_mhz; 375 376 } else { 377 /* unconstrained for memory retraining */ 378 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0; 379 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF; 380 381 /* Modify previous watermark range to cover up to max */ 382 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF; 383 } 384 num_valid_sets++; 385 } 386 387 ASSERT(num_valid_sets != 0); /* Must have at least one set of valid watermarks */ 388 389 /* modify the min and max to make sure we cover the whole range*/ 390 table->WatermarkRow[WM_DCFCLK][0].MinMclk = 0; 391 table->WatermarkRow[WM_DCFCLK][0].MinClock = 0; 392 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxMclk = 0xFFFF; 393 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF; 394 395 /* This is for writeback only, does not matter currently as no writeback support*/ 396 table->WatermarkRow[WM_SOCCLK][0].WmSetting = WM_A; 397 table->WatermarkRow[WM_SOCCLK][0].MinClock = 0; 398 table->WatermarkRow[WM_SOCCLK][0].MaxClock = 0xFFFF; 399 table->WatermarkRow[WM_SOCCLK][0].MinMclk = 0; 400 table->WatermarkRow[WM_SOCCLK][0].MaxMclk = 0xFFFF; 401} 402 403static void dcn316_notify_wm_ranges(struct clk_mgr *clk_mgr_base) 404{ 405 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); 406 struct clk_mgr_dcn316 *clk_mgr_dcn316 = TO_CLK_MGR_DCN316(clk_mgr); 407 struct dcn316_watermarks *table = clk_mgr_dcn316->smu_wm_set.wm_set; 408 409 if (!clk_mgr->smu_ver) 410 return; 411 412 if (!table || clk_mgr_dcn316->smu_wm_set.mc_address.quad_part == 0) 413 return; 414 415 memset(table, 0, sizeof(*table)); 416 417 dcn316_build_watermark_ranges(clk_mgr_base->bw_params, table); 418 419 dcn316_smu_set_dram_addr_high(clk_mgr, 420 clk_mgr_dcn316->smu_wm_set.mc_address.high_part); 421 dcn316_smu_set_dram_addr_low(clk_mgr, 422 clk_mgr_dcn316->smu_wm_set.mc_address.low_part); 423 dcn316_smu_transfer_wm_table_dram_2_smu(clk_mgr); 424} 425 426static void dcn316_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr, 427 struct dcn316_smu_dpm_clks *smu_dpm_clks) 428{ 429 DpmClocks_316_t *table = smu_dpm_clks->dpm_clks; 430 431 if (!clk_mgr->smu_ver) 432 return; 433 434 if (!table || smu_dpm_clks->mc_address.quad_part == 0) 435 return; 436 437 memset(table, 0, sizeof(*table)); 438 439 dcn316_smu_set_dram_addr_high(clk_mgr, 440 smu_dpm_clks->mc_address.high_part); 441 dcn316_smu_set_dram_addr_low(clk_mgr, 442 smu_dpm_clks->mc_address.low_part); 443 dcn316_smu_transfer_dpm_table_smu_2_dram(clk_mgr); 444} 445 446static uint32_t find_max_clk_value(const uint32_t clocks[], uint32_t num_clocks) 447{ 448 uint32_t max = 0; 449 int i; 450 451 for (i = 0; i < num_clocks; ++i) { 452 if (clocks[i] > max) 453 max = clocks[i]; 454 } 455 456 return max; 457} 458 459static unsigned int find_clk_for_voltage( 460 const DpmClocks_316_t *clock_table, 461 const uint32_t clocks[], 462 unsigned int voltage) 463{ 464 int i; 465 int max_voltage = 0; 466 int clock = 0; 467 468 for (i = 0; i < NUM_SOC_VOLTAGE_LEVELS; i++) { 469 if (clock_table->SocVoltage[i] == voltage) { 470 return clocks[i]; 471 } else if (clock_table->SocVoltage[i] >= max_voltage && 472 clock_table->SocVoltage[i] < voltage) { 473 max_voltage = clock_table->SocVoltage[i]; 474 clock = clocks[i]; 475 } 476 } 477 478 ASSERT(clock); 479 return clock; 480} 481 482static void dcn316_clk_mgr_helper_populate_bw_params( 483 struct clk_mgr_internal *clk_mgr, 484 struct integrated_info *bios_info, 485 const DpmClocks_316_t *clock_table) 486{ 487 int i, j; 488 struct clk_bw_params *bw_params = clk_mgr->base.bw_params; 489 uint32_t max_dispclk = 0, max_dppclk = 0; 490 491 j = -1; 492 493 static_assert(NUM_DF_PSTATE_LEVELS <= MAX_NUM_DPM_LVL, 494 "number of reported pstate levels exceeds maximum"); 495 496 /* Find lowest DPM, FCLK is filled in reverse order*/ 497 498 for (i = NUM_DF_PSTATE_LEVELS - 1; i >= 0; i--) { 499 if (clock_table->DfPstateTable[i].FClk != 0) { 500 j = i; 501 break; 502 } 503 } 504 505 if (j == -1) { 506 /* clock table is all 0s, just use our own hardcode */ 507 ASSERT(0); 508 return; 509 } 510 511 bw_params->clk_table.num_entries = j + 1; 512 513 /* dispclk and dppclk can be max at any voltage, same number of levels for both */ 514 if (clock_table->NumDispClkLevelsEnabled <= NUM_DISPCLK_DPM_LEVELS && 515 clock_table->NumDispClkLevelsEnabled <= NUM_DPPCLK_DPM_LEVELS) { 516 max_dispclk = find_max_clk_value(clock_table->DispClocks, clock_table->NumDispClkLevelsEnabled); 517 max_dppclk = find_max_clk_value(clock_table->DppClocks, clock_table->NumDispClkLevelsEnabled); 518 } else { 519 ASSERT(0); 520 } 521 522 for (i = 0; i < bw_params->clk_table.num_entries; i++, j--) { 523 int temp; 524 525 bw_params->clk_table.entries[i].fclk_mhz = clock_table->DfPstateTable[j].FClk; 526 bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[j].MemClk; 527 bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[j].Voltage; 528 switch (clock_table->DfPstateTable[j].WckRatio) { 529 case WCK_RATIO_1_2: 530 bw_params->clk_table.entries[i].wck_ratio = 2; 531 break; 532 case WCK_RATIO_1_4: 533 bw_params->clk_table.entries[i].wck_ratio = 4; 534 break; 535 default: 536 bw_params->clk_table.entries[i].wck_ratio = 1; 537 } 538 temp = find_clk_for_voltage(clock_table, clock_table->DcfClocks, clock_table->DfPstateTable[j].Voltage); 539 if (temp) 540 bw_params->clk_table.entries[i].dcfclk_mhz = temp; 541 temp = find_clk_for_voltage(clock_table, clock_table->SocClocks, clock_table->DfPstateTable[j].Voltage); 542 if (temp) 543 bw_params->clk_table.entries[i].socclk_mhz = temp; 544 bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk; 545 bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk; 546 } 547 548 bw_params->vram_type = bios_info->memory_type; 549 bw_params->num_channels = bios_info->ma_channel_number; 550 bw_params->dram_channel_width_bytes = bios_info->memory_type == 0x22 ? 8 : 4; 551 552 for (i = 0; i < WM_SET_COUNT; i++) { 553 bw_params->wm_table.entries[i].wm_inst = i; 554 555 if (i >= bw_params->clk_table.num_entries) { 556 bw_params->wm_table.entries[i].valid = false; 557 continue; 558 } 559 560 bw_params->wm_table.entries[i].wm_type = WM_TYPE_PSTATE_CHG; 561 bw_params->wm_table.entries[i].valid = true; 562 } 563} 564 565 566 567static struct clk_mgr_funcs dcn316_funcs = { 568 .enable_pme_wa = dcn316_enable_pme_wa, 569 .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, 570 .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz, 571 .update_clocks = dcn316_update_clocks, 572 .init_clocks = dcn31_init_clocks, 573 .are_clock_states_equal = dcn31_are_clock_states_equal, 574 .notify_wm_ranges = dcn316_notify_wm_ranges 575}; 576extern struct clk_mgr_funcs dcn3_fpga_funcs; 577 578void dcn316_clk_mgr_construct( 579 struct dc_context *ctx, 580 struct clk_mgr_dcn316 *clk_mgr, 581 struct pp_smu_funcs *pp_smu, 582 struct dccg *dccg) 583{ 584 struct dcn316_smu_dpm_clks smu_dpm_clks = { 0 }; 585 struct clk_log_info log_info = {0}; 586 587 clk_mgr->base.base.ctx = ctx; 588 clk_mgr->base.base.funcs = &dcn316_funcs; 589 590 clk_mgr->base.pp_smu = pp_smu; 591 592 clk_mgr->base.dccg = dccg; 593 clk_mgr->base.dfs_bypass_disp_clk = 0; 594 595 clk_mgr->base.dprefclk_ss_percentage = 0; 596 clk_mgr->base.dprefclk_ss_divider = 1000; 597 clk_mgr->base.ss_on_dprefclk = false; 598 clk_mgr->base.dfs_ref_freq_khz = 48000; 599 600 clk_mgr->smu_wm_set.wm_set = (struct dcn316_watermarks *)dm_helpers_allocate_gpu_mem( 601 clk_mgr->base.base.ctx, 602 DC_MEM_ALLOC_TYPE_FRAME_BUFFER, 603 sizeof(struct dcn316_watermarks), 604 &clk_mgr->smu_wm_set.mc_address.quad_part); 605 606 if (!clk_mgr->smu_wm_set.wm_set) { 607 clk_mgr->smu_wm_set.wm_set = &dummy_wms; 608 clk_mgr->smu_wm_set.mc_address.quad_part = 0; 609 } 610 ASSERT(clk_mgr->smu_wm_set.wm_set); 611 612 smu_dpm_clks.dpm_clks = (DpmClocks_316_t *)dm_helpers_allocate_gpu_mem( 613 clk_mgr->base.base.ctx, 614 DC_MEM_ALLOC_TYPE_FRAME_BUFFER, 615 sizeof(DpmClocks_316_t), 616 &smu_dpm_clks.mc_address.quad_part); 617 618 if (smu_dpm_clks.dpm_clks == NULL) { 619 smu_dpm_clks.dpm_clks = &dummy_clocks; 620 smu_dpm_clks.mc_address.quad_part = 0; 621 } 622 623 ASSERT(smu_dpm_clks.dpm_clks); 624 625 clk_mgr->base.smu_ver = dcn316_smu_get_smu_version(&clk_mgr->base); 626 627 if (clk_mgr->base.smu_ver > 0) 628 clk_mgr->base.smu_present = true; 629 630 // Skip this for now as it did not work on DCN315, renable during bring up 631 //clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base); 632 clk_mgr->base.base.dentist_vco_freq_khz = 2500000; 633 634 /* in case we don't get a value from the register, use default */ 635 if (clk_mgr->base.base.dentist_vco_freq_khz == 0) 636 clk_mgr->base.base.dentist_vco_freq_khz = 2500000; /* 2400MHz */ 637 638 639 if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType) { 640 dcn316_bw_params.wm_table = lpddr5_wm_table; 641 } else { 642 dcn316_bw_params.wm_table = ddr4_wm_table; 643 } 644 /* Saved clocks configured at boot for debug purposes */ 645 dcn316_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, 646 &clk_mgr->base.base, &log_info); 647 648 clk_mgr->base.base.dprefclk_khz = 600000; 649 clk_mgr->base.base.dprefclk_khz = dcn316_smu_get_dpref_clk(&clk_mgr->base); 650 clk_mgr->base.base.clks.ref_dtbclk_khz = clk_mgr->base.base.dprefclk_khz; 651 dce_clock_read_ss_info(&clk_mgr->base); 652 /*clk_mgr->base.dccg->ref_dtbclk_khz = 653 dce_adjust_dp_ref_freq_for_ss(&clk_mgr->base, clk_mgr->base.base.dprefclk_khz);*/ 654 655 clk_mgr->base.base.bw_params = &dcn316_bw_params; 656 657 if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) { 658 dcn316_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks); 659 660 if (ctx->dc_bios->integrated_info) { 661 dcn316_clk_mgr_helper_populate_bw_params( 662 &clk_mgr->base, 663 ctx->dc_bios->integrated_info, 664 smu_dpm_clks.dpm_clks); 665 } 666 } 667 668 if (smu_dpm_clks.dpm_clks && smu_dpm_clks.mc_address.quad_part != 0) 669 dm_helpers_free_gpu_mem(clk_mgr->base.base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER, 670 smu_dpm_clks.dpm_clks); 671} 672 673void dcn316_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int) 674{ 675 struct clk_mgr_dcn316 *clk_mgr = TO_CLK_MGR_DCN316(clk_mgr_int); 676 677 if (clk_mgr->smu_wm_set.wm_set && clk_mgr->smu_wm_set.mc_address.quad_part != 0) 678 dm_helpers_free_gpu_mem(clk_mgr_int->base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER, 679 clk_mgr->smu_wm_set.wm_set); 680}
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