drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c

   1 /*
   2  * Copyright 2015 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  */
  23 #include "pp_debug.h"
  24 #include <linux/errno.h>
  25 #include "hwmgr.h"
  26 #include "hardwaremanager.h"
  27 #include "power_state.h"
  28
  29
  30 #define TEMP_RANGE_MIN (0)
  31 #define TEMP_RANGE_MAX (80 * 1000)
  32
  33 #define PHM_FUNC_CHECK(hw) \
  34         do {                                                    \
  35                 if ((hw) == NULL || (hw)->hwmgr_func == NULL)   \
  36                         return -EINVAL;                         \
  37         } while (0)
  38
  39 int phm_setup_asic(struct pp_hwmgr *hwmgr)
  40 {
  41         PHM_FUNC_CHECK(hwmgr);
  42
  43         if (NULL != hwmgr->hwmgr_func->asic_setup)
  44                 return hwmgr->hwmgr_func->asic_setup(hwmgr);
  45
  46         return 0;
  47 }
  48
  49 int phm_power_down_asic(struct pp_hwmgr *hwmgr)
  50 {
  51         PHM_FUNC_CHECK(hwmgr);
  52
  53         if (NULL != hwmgr->hwmgr_func->power_off_asic)
  54                 return hwmgr->hwmgr_func->power_off_asic(hwmgr);
  55
  56         return 0;
  57 }
  58
  59 int phm_set_power_state(struct pp_hwmgr *hwmgr,
  60                     const struct pp_hw_power_state *pcurrent_state,
  61                     const struct pp_hw_power_state *pnew_power_state)
  62 {
  63         struct phm_set_power_state_input states;
  64
  65         PHM_FUNC_CHECK(hwmgr);
  66
  67         states.pcurrent_state = pcurrent_state;
  68         states.pnew_state = pnew_power_state;
  69
  70         if (NULL != hwmgr->hwmgr_func->power_state_set)
  71                 return hwmgr->hwmgr_func->power_state_set(hwmgr, &states);
  72
  73         return 0;
  74 }
  75
  76 int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
  77 {
  78         struct amdgpu_device *adev = NULL;
  79         int ret = -EINVAL;;
  80         PHM_FUNC_CHECK(hwmgr);
  81         adev = hwmgr->adev;
  82
  83         if (smum_is_dpm_running(hwmgr) && !amdgpu_passthrough(adev)) {
  84                 pr_info("dpm has been enabled\n");
  85                 return 0;
  86         }
  87
  88         if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable)
  89                 ret = hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr);
  90
  91         return ret;
  92 }
  93
  94 int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr)
  95 {
  96         int ret = -EINVAL;
  97
  98         PHM_FUNC_CHECK(hwmgr);
  99
 100         if (!smum_is_dpm_running(hwmgr)) {
 101                 pr_info("dpm has been disabled\n");
 102                 return 0;
 103         }
 104
 105         if (hwmgr->hwmgr_func->dynamic_state_management_disable)
 106                 ret = hwmgr->hwmgr_func->dynamic_state_management_disable(hwmgr);
 107
 108         return ret;
 109 }
 110
 111 int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level)
 112 {
 113         int ret = 0;
 114
 115         PHM_FUNC_CHECK(hwmgr);
 116
 117         if (hwmgr->hwmgr_func->force_dpm_level != NULL)
 118                 ret = hwmgr->hwmgr_func->force_dpm_level(hwmgr, level);
 119
 120         return ret;
 121 }
 122
 123 int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
 124                                    struct pp_power_state *adjusted_ps,
 125                              const struct pp_power_state *current_ps)
 126 {
 127         PHM_FUNC_CHECK(hwmgr);
 128
 129         if (hwmgr->hwmgr_func->apply_state_adjust_rules != NULL)
 130                 return hwmgr->hwmgr_func->apply_state_adjust_rules(
 131                                                                         hwmgr,
 132                                                                  adjusted_ps,
 133                                                                  current_ps);
 134         return 0;
 135 }
 136
 137 int phm_apply_clock_adjust_rules(struct pp_hwmgr *hwmgr)
 138 {
 139         PHM_FUNC_CHECK(hwmgr);
 140
 141         if (hwmgr->hwmgr_func->apply_clocks_adjust_rules != NULL)
 142                 return hwmgr->hwmgr_func->apply_clocks_adjust_rules(hwmgr);
 143         return 0;
 144 }
 145
 146 int phm_powerdown_uvd(struct pp_hwmgr *hwmgr)
 147 {
 148         PHM_FUNC_CHECK(hwmgr);
 149
 150         if (hwmgr->hwmgr_func->powerdown_uvd != NULL)
 151                 return hwmgr->hwmgr_func->powerdown_uvd(hwmgr);
 152         return 0;
 153 }
 154
 155 int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr)
 156 {
 157         PHM_FUNC_CHECK(hwmgr);
 158
 159         if (NULL != hwmgr->hwmgr_func->enable_clock_power_gating)
 160                 return hwmgr->hwmgr_func->enable_clock_power_gating(hwmgr);
 161
 162         return 0;
 163 }
 164
 165 int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr)
 166 {
 167         PHM_FUNC_CHECK(hwmgr);
 168
 169         if (NULL != hwmgr->hwmgr_func->disable_clock_power_gating)
 170                 return hwmgr->hwmgr_func->disable_clock_power_gating(hwmgr);
 171
 172         return 0;
 173 }
 174
 175 int phm_pre_display_configuration_changed(struct pp_hwmgr *hwmgr)
 176 {
 177         PHM_FUNC_CHECK(hwmgr);
 178
 179         if (NULL != hwmgr->hwmgr_func->pre_display_config_changed)
 180                 hwmgr->hwmgr_func->pre_display_config_changed(hwmgr);
 181
 182         return 0;
 183
 184 }
 185
 186 int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)
 187 {
 188         PHM_FUNC_CHECK(hwmgr);
 189
 190         if (NULL != hwmgr->hwmgr_func->display_config_changed)
 191                 hwmgr->hwmgr_func->display_config_changed(hwmgr);
 192
 193         return 0;
 194 }
 195
 196 int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
 197 {
 198         PHM_FUNC_CHECK(hwmgr);
 199
 200         if (NULL != hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment)
 201                         hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment(hwmgr);
 202
 203         return 0;
 204 }
 205
 206 int phm_stop_thermal_controller(struct pp_hwmgr *hwmgr)
 207 {
 208         PHM_FUNC_CHECK(hwmgr);
 209
 210         if (hwmgr->hwmgr_func->stop_thermal_controller == NULL)
 211                 return -EINVAL;
 212
 213         return hwmgr->hwmgr_func->stop_thermal_controller(hwmgr);
 214 }
 215
 216 int phm_register_irq_handlers(struct pp_hwmgr *hwmgr)
 217 {
 218         PHM_FUNC_CHECK(hwmgr);
 219
 220         if (hwmgr->hwmgr_func->register_irq_handlers != NULL)
 221                 return hwmgr->hwmgr_func->register_irq_handlers(hwmgr);
 222
 223         return 0;
 224 }
 225
 226 /**
 227 * Initializes the thermal controller subsystem.
 228 *
 229 * @param    pHwMgr  the address of the powerplay hardware manager.
 230 * @exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the dispatcher.
 231 */
 232 int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
 233 {
 234         int ret = 0;
 235         struct PP_TemperatureRange range = {TEMP_RANGE_MIN, TEMP_RANGE_MAX};
 236         struct amdgpu_device *adev = hwmgr->adev;
 237
 238         if (hwmgr->hwmgr_func->get_thermal_temperature_range)
 239                 hwmgr->hwmgr_func->get_thermal_temperature_range(
 240                                 hwmgr, &range);
 241
 242         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 243                         PHM_PlatformCaps_ThermalController)
 244                         && hwmgr->hwmgr_func->start_thermal_controller != NULL)
 245                 ret = hwmgr->hwmgr_func->start_thermal_controller(hwmgr, &range);
 246
 247         adev->pm.dpm.thermal.min_temp = range.min;
 248         adev->pm.dpm.thermal.max_temp = range.max;
 249
 250         return ret;
 251 }
 252
 253
 254 bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
 255 {
 256         PHM_FUNC_CHECK(hwmgr);
 257
 258         if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL)
 259                 return false;
 260
 261         return hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration(hwmgr);
 262 }
 263
 264
 265 int phm_check_states_equal(struct pp_hwmgr *hwmgr,
 266                                  const struct pp_hw_power_state *pstate1,
 267                                  const struct pp_hw_power_state *pstate2,
 268                                  bool *equal)
 269 {
 270         PHM_FUNC_CHECK(hwmgr);
 271
 272         if (hwmgr->hwmgr_func->check_states_equal == NULL)
 273                 return -EINVAL;
 274
 275         return hwmgr->hwmgr_func->check_states_equal(hwmgr, pstate1, pstate2, equal);
 276 }
 277
 278 int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr,
 279                     const struct amd_pp_display_configuration *display_config)
 280 {
 281         int index = 0;
 282         int number_of_active_display = 0;
 283
 284         PHM_FUNC_CHECK(hwmgr);
 285
 286         if (display_config == NULL)
 287                 return -EINVAL;
 288
 289         if (NULL != hwmgr->hwmgr_func->set_deep_sleep_dcefclk)
 290                 hwmgr->hwmgr_func->set_deep_sleep_dcefclk(hwmgr, display_config->min_dcef_deep_sleep_set_clk);
 291
 292         for (index = 0; index < display_config->num_path_including_non_display; index++) {
 293                 if (display_config->displays[index].controller_id != 0)
 294                         number_of_active_display++;
 295         }
 296
 297         if (NULL != hwmgr->hwmgr_func->set_active_display_count)
 298                 hwmgr->hwmgr_func->set_active_display_count(hwmgr, number_of_active_display);
 299
 300         if (hwmgr->hwmgr_func->store_cc6_data == NULL)
 301                 return -EINVAL;
 302
 303         /* TODO: pass other display configuration in the future */
 304
 305         if (hwmgr->hwmgr_func->store_cc6_data)
 306                 hwmgr->hwmgr_func->store_cc6_data(hwmgr,
 307                                 display_config->cpu_pstate_separation_time,
 308                                 display_config->cpu_cc6_disable,
 309                                 display_config->cpu_pstate_disable,
 310                                 display_config->nb_pstate_switch_disable);
 311
 312         return 0;
 313 }
 314
 315 int phm_get_dal_power_level(struct pp_hwmgr *hwmgr,
 316                 struct amd_pp_simple_clock_info *info)
 317 {
 318         PHM_FUNC_CHECK(hwmgr);
 319
 320         if (info == NULL || hwmgr->hwmgr_func->get_dal_power_level == NULL)
 321                 return -EINVAL;
 322         return hwmgr->hwmgr_func->get_dal_power_level(hwmgr, info);
 323 }
 324
 325 int phm_set_cpu_power_state(struct pp_hwmgr *hwmgr)
 326 {
 327         PHM_FUNC_CHECK(hwmgr);
 328
 329         if (hwmgr->hwmgr_func->set_cpu_power_state != NULL)
 330                 return hwmgr->hwmgr_func->set_cpu_power_state(hwmgr);
 331
 332         return 0;
 333 }
 334
 335
 336 int phm_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
 337                                 PHM_PerformanceLevelDesignation designation, uint32_t index,
 338                                 PHM_PerformanceLevel *level)
 339 {
 340         PHM_FUNC_CHECK(hwmgr);
 341         if (hwmgr->hwmgr_func->get_performance_level == NULL)
 342                 return -EINVAL;
 343
 344         return hwmgr->hwmgr_func->get_performance_level(hwmgr, state, designation, index, level);
 345
 346
 347 }
 348
 349
 350 /**
 351 * Gets Clock Info.
 352 *
 353 * @param    pHwMgr  the address of the powerplay hardware manager.
 354 * @param    pPowerState the address of the Power State structure.
 355 * @param    pClockInfo the address of PP_ClockInfo structure where the result will be returned.
 356 * @exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the back-end.
 357 */
 358 int phm_get_clock_info(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *pclock_info,
 359                         PHM_PerformanceLevelDesignation designation)
 360 {
 361         int result;
 362         PHM_PerformanceLevel performance_level = {0};
 363
 364         PHM_FUNC_CHECK(hwmgr);
 365
 366         PP_ASSERT_WITH_CODE((NULL != state), "Invalid Input!", return -EINVAL);
 367         PP_ASSERT_WITH_CODE((NULL != pclock_info), "Invalid Input!", return -EINVAL);
 368
 369         result = phm_get_performance_level(hwmgr, state, PHM_PerformanceLevelDesignation_Activity, 0, &performance_level);
 370
 371         PP_ASSERT_WITH_CODE((0 == result), "Failed to retrieve minimum clocks.", return result);
 372
 373
 374         pclock_info->min_mem_clk = performance_level.memory_clock;
 375         pclock_info->min_eng_clk = performance_level.coreClock;
 376         pclock_info->min_bus_bandwidth = performance_level.nonLocalMemoryFreq * performance_level.nonLocalMemoryWidth;
 377
 378
 379         result = phm_get_performance_level(hwmgr, state, designation,
 380                                         (hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1), &performance_level);
 381
 382         PP_ASSERT_WITH_CODE((0 == result), "Failed to retrieve maximum clocks.", return result);
 383
 384         pclock_info->max_mem_clk = performance_level.memory_clock;
 385         pclock_info->max_eng_clk = performance_level.coreClock;
 386         pclock_info->max_bus_bandwidth = performance_level.nonLocalMemoryFreq * performance_level.nonLocalMemoryWidth;
 387
 388         return 0;
 389 }
 390
 391 int phm_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *clock_info)
 392 {
 393         PHM_FUNC_CHECK(hwmgr);
 394
 395         if (hwmgr->hwmgr_func->get_current_shallow_sleep_clocks == NULL)
 396                 return -EINVAL;
 397
 398         return hwmgr->hwmgr_func->get_current_shallow_sleep_clocks(hwmgr, state, clock_info);
 399
 400 }
 401
 402 int phm_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, struct amd_pp_clocks *clocks)
 403 {
 404         PHM_FUNC_CHECK(hwmgr);
 405
 406         if (hwmgr->hwmgr_func->get_clock_by_type == NULL)
 407                 return -EINVAL;
 408
 409         return hwmgr->hwmgr_func->get_clock_by_type(hwmgr, type, clocks);
 410
 411 }
 412
 413 int phm_get_clock_by_type_with_latency(struct pp_hwmgr *hwmgr,
 414                 enum amd_pp_clock_type type,
 415                 struct pp_clock_levels_with_latency *clocks)
 416 {
 417         PHM_FUNC_CHECK(hwmgr);
 418
 419         if (hwmgr->hwmgr_func->get_clock_by_type_with_latency == NULL)
 420                 return -EINVAL;
 421
 422         return hwmgr->hwmgr_func->get_clock_by_type_with_latency(hwmgr, type, clocks);
 423
 424 }
 425
 426 int phm_get_clock_by_type_with_voltage(struct pp_hwmgr *hwmgr,
 427                 enum amd_pp_clock_type type,
 428                 struct pp_clock_levels_with_voltage *clocks)
 429 {
 430         PHM_FUNC_CHECK(hwmgr);
 431
 432         if (hwmgr->hwmgr_func->get_clock_by_type_with_voltage == NULL)
 433                 return -EINVAL;
 434
 435         return hwmgr->hwmgr_func->get_clock_by_type_with_voltage(hwmgr, type, clocks);
 436
 437 }
 438
 439 int phm_set_watermarks_for_clocks_ranges(struct pp_hwmgr *hwmgr,
 440                                         void *clock_ranges)
 441 {
 442         PHM_FUNC_CHECK(hwmgr);
 443
 444         if (!hwmgr->hwmgr_func->set_watermarks_for_clocks_ranges)
 445                 return -EINVAL;
 446
 447         return hwmgr->hwmgr_func->set_watermarks_for_clocks_ranges(hwmgr,
 448                                                                 clock_ranges);
 449 }
 450
 451 int phm_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
 452                 struct pp_display_clock_request *clock)
 453 {
 454         PHM_FUNC_CHECK(hwmgr);
 455
 456         if (!hwmgr->hwmgr_func->display_clock_voltage_request)
 457                 return -EINVAL;
 458
 459         return hwmgr->hwmgr_func->display_clock_voltage_request(hwmgr, clock);
 460 }
 461
 462 int phm_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks)
 463 {
 464         PHM_FUNC_CHECK(hwmgr);
 465
 466         if (hwmgr->hwmgr_func->get_max_high_clocks == NULL)
 467                 return -EINVAL;
 468
 469         return hwmgr->hwmgr_func->get_max_high_clocks(hwmgr, clocks);
 470 }
 471
 472 int phm_disable_smc_firmware_ctf(struct pp_hwmgr *hwmgr)
 473 {
 474         PHM_FUNC_CHECK(hwmgr);
 475
 476         if (hwmgr->hwmgr_func->disable_smc_firmware_ctf == NULL)
 477                 return -EINVAL;
 478
 479         return hwmgr->hwmgr_func->disable_smc_firmware_ctf(hwmgr);
 480 }