drivers/gpu/drm/amd/pm/amdgpu_pm.c

   1 /*
   2  * Copyright 2017 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: Rafał Miłecki <zajec5@gmail.com>
  23  *          Alex Deucher <alexdeucher@gmail.com>
  24  */
  25
  26 #include "amdgpu.h"
  27 #include "amdgpu_drv.h"
  28 #include "amdgpu_pm.h"
  29 #include "amdgpu_dpm.h"
  30 #include "atom.h"
  31 #include <linux/pci.h>
  32 #include <linux/hwmon.h>
  33 #include <linux/hwmon-sysfs.h>
  34 #include <linux/nospec.h>
  35 #include <linux/pm_runtime.h>
  36 #include <asm/processor.h>
  37 #include "hwmgr.h"
  38
  39 static const struct cg_flag_name clocks[] = {
  40         {AMD_CG_SUPPORT_GFX_FGCG, "Graphics Fine Grain Clock Gating"},
  41         {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"},
  42         {AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"},
  43         {AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"},
  44         {AMD_CG_SUPPORT_GFX_CGLS, "Graphics Coarse Grain memory Light Sleep"},
  45         {AMD_CG_SUPPORT_GFX_CGTS, "Graphics Coarse Grain Tree Shader Clock Gating"},
  46         {AMD_CG_SUPPORT_GFX_CGTS_LS, "Graphics Coarse Grain Tree Shader Light Sleep"},
  47         {AMD_CG_SUPPORT_GFX_CP_LS, "Graphics Command Processor Light Sleep"},
  48         {AMD_CG_SUPPORT_GFX_RLC_LS, "Graphics Run List Controller Light Sleep"},
  49         {AMD_CG_SUPPORT_GFX_3D_CGCG, "Graphics 3D Coarse Grain Clock Gating"},
  50         {AMD_CG_SUPPORT_GFX_3D_CGLS, "Graphics 3D Coarse Grain memory Light Sleep"},
  51         {AMD_CG_SUPPORT_MC_LS, "Memory Controller Light Sleep"},
  52         {AMD_CG_SUPPORT_MC_MGCG, "Memory Controller Medium Grain Clock Gating"},
  53         {AMD_CG_SUPPORT_SDMA_LS, "System Direct Memory Access Light Sleep"},
  54         {AMD_CG_SUPPORT_SDMA_MGCG, "System Direct Memory Access Medium Grain Clock Gating"},
  55         {AMD_CG_SUPPORT_BIF_MGCG, "Bus Interface Medium Grain Clock Gating"},
  56         {AMD_CG_SUPPORT_BIF_LS, "Bus Interface Light Sleep"},
  57         {AMD_CG_SUPPORT_UVD_MGCG, "Unified Video Decoder Medium Grain Clock Gating"},
  58         {AMD_CG_SUPPORT_VCE_MGCG, "Video Compression Engine Medium Grain Clock Gating"},
  59         {AMD_CG_SUPPORT_HDP_LS, "Host Data Path Light Sleep"},
  60         {AMD_CG_SUPPORT_HDP_MGCG, "Host Data Path Medium Grain Clock Gating"},
  61         {AMD_CG_SUPPORT_DRM_MGCG, "Digital Right Management Medium Grain Clock Gating"},
  62         {AMD_CG_SUPPORT_DRM_LS, "Digital Right Management Light Sleep"},
  63         {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"},
  64         {AMD_CG_SUPPORT_DF_MGCG, "Data Fabric Medium Grain Clock Gating"},
  65         {AMD_CG_SUPPORT_VCN_MGCG, "VCN Medium Grain Clock Gating"},
  66         {AMD_CG_SUPPORT_HDP_DS, "Host Data Path Deep Sleep"},
  67         {AMD_CG_SUPPORT_HDP_SD, "Host Data Path Shutdown"},
  68         {AMD_CG_SUPPORT_IH_CG, "Interrupt Handler Clock Gating"},
  69         {AMD_CG_SUPPORT_JPEG_MGCG, "JPEG Medium Grain Clock Gating"},
  70
  71         {AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"},
  72         {AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"},
  73         {0, NULL},
  74 };
  75
  76 static const struct hwmon_temp_label {
  77         enum PP_HWMON_TEMP channel;
  78         const char *label;
  79 } temp_label[] = {
  80         {PP_TEMP_EDGE, "edge"},
  81         {PP_TEMP_JUNCTION, "junction"},
  82         {PP_TEMP_MEM, "mem"},
  83 };
  84
  85 /**
  86  * DOC: power_dpm_state
  87  *
  88  * The power_dpm_state file is a legacy interface and is only provided for
  89  * backwards compatibility. The amdgpu driver provides a sysfs API for adjusting
  90  * certain power related parameters.  The file power_dpm_state is used for this.
  91  * It accepts the following arguments:
  92  *
  93  * - battery
  94  *
  95  * - balanced
  96  *
  97  * - performance
  98  *
  99  * battery
 100  *
 101  * On older GPUs, the vbios provided a special power state for battery
 102  * operation.  Selecting battery switched to this state.  This is no
 103  * longer provided on newer GPUs so the option does nothing in that case.
 104  *
 105  * balanced
 106  *
 107  * On older GPUs, the vbios provided a special power state for balanced
 108  * operation.  Selecting balanced switched to this state.  This is no
 109  * longer provided on newer GPUs so the option does nothing in that case.
 110  *
 111  * performance
 112  *
 113  * On older GPUs, the vbios provided a special power state for performance
 114  * operation.  Selecting performance switched to this state.  This is no
 115  * longer provided on newer GPUs so the option does nothing in that case.
 116  *
 117  */
 118
 119 static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
 120                                           struct device_attribute *attr,
 121                                           char *buf)
 122 {
 123         struct drm_device *ddev = dev_get_drvdata(dev);
 124         struct amdgpu_device *adev = drm_to_adev(ddev);
 125         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
 126         enum amd_pm_state_type pm;
 127         int ret;
 128
 129         if (amdgpu_in_reset(adev))
 130                 return -EPERM;
 131         if (adev->in_suspend && !adev->in_runpm)
 132                 return -EPERM;
 133
 134         ret = pm_runtime_get_sync(ddev->dev);
 135         if (ret < 0) {
 136                 pm_runtime_put_autosuspend(ddev->dev);
 137                 return ret;
 138         }
 139
 140         if (pp_funcs->get_current_power_state) {
 141                 pm = amdgpu_dpm_get_current_power_state(adev);
 142         } else {
 143                 pm = adev->pm.dpm.user_state;
 144         }
 145
 146         pm_runtime_mark_last_busy(ddev->dev);
 147         pm_runtime_put_autosuspend(ddev->dev);
 148
 149         return sysfs_emit(buf, "%s\n",
 150                           (pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
 151                           (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
 152 }
 153
 154 static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
 155                                           struct device_attribute *attr,
 156                                           const char *buf,
 157                                           size_t count)
 158 {
 159         struct drm_device *ddev = dev_get_drvdata(dev);
 160         struct amdgpu_device *adev = drm_to_adev(ddev);
 161         enum amd_pm_state_type  state;
 162         int ret;
 163
 164         if (amdgpu_in_reset(adev))
 165                 return -EPERM;
 166         if (adev->in_suspend && !adev->in_runpm)
 167                 return -EPERM;
 168
 169         if (strncmp("battery", buf, strlen("battery")) == 0)
 170                 state = POWER_STATE_TYPE_BATTERY;
 171         else if (strncmp("balanced", buf, strlen("balanced")) == 0)
 172                 state = POWER_STATE_TYPE_BALANCED;
 173         else if (strncmp("performance", buf, strlen("performance")) == 0)
 174                 state = POWER_STATE_TYPE_PERFORMANCE;
 175         else
 176                 return -EINVAL;
 177
 178         ret = pm_runtime_get_sync(ddev->dev);
 179         if (ret < 0) {
 180                 pm_runtime_put_autosuspend(ddev->dev);
 181                 return ret;
 182         }
 183
 184         if (is_support_sw_smu(adev)) {
 185                 mutex_lock(&adev->pm.mutex);
 186                 adev->pm.dpm.user_state = state;
 187                 mutex_unlock(&adev->pm.mutex);
 188         } else if (adev->powerplay.pp_funcs->dispatch_tasks) {
 189                 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, &state);
 190         } else {
 191                 mutex_lock(&adev->pm.mutex);
 192                 adev->pm.dpm.user_state = state;
 193                 mutex_unlock(&adev->pm.mutex);
 194
 195                 amdgpu_pm_compute_clocks(adev);
 196         }
 197         pm_runtime_mark_last_busy(ddev->dev);
 198         pm_runtime_put_autosuspend(ddev->dev);
 199
 200         return count;
 201 }
 202
 203
 204 /**
 205  * DOC: power_dpm_force_performance_level
 206  *
 207  * The amdgpu driver provides a sysfs API for adjusting certain power
 208  * related parameters.  The file power_dpm_force_performance_level is
 209  * used for this.  It accepts the following arguments:
 210  *
 211  * - auto
 212  *
 213  * - low
 214  *
 215  * - high
 216  *
 217  * - manual
 218  *
 219  * - profile_standard
 220  *
 221  * - profile_min_sclk
 222  *
 223  * - profile_min_mclk
 224  *
 225  * - profile_peak
 226  *
 227  * auto
 228  *
 229  * When auto is selected, the driver will attempt to dynamically select
 230  * the optimal power profile for current conditions in the driver.
 231  *
 232  * low
 233  *
 234  * When low is selected, the clocks are forced to the lowest power state.
 235  *
 236  * high
 237  *
 238  * When high is selected, the clocks are forced to the highest power state.
 239  *
 240  * manual
 241  *
 242  * When manual is selected, the user can manually adjust which power states
 243  * are enabled for each clock domain via the sysfs pp_dpm_mclk, pp_dpm_sclk,
 244  * and pp_dpm_pcie files and adjust the power state transition heuristics
 245  * via the pp_power_profile_mode sysfs file.
 246  *
 247  * profile_standard
 248  * profile_min_sclk
 249  * profile_min_mclk
 250  * profile_peak
 251  *
 252  * When the profiling modes are selected, clock and power gating are
 253  * disabled and the clocks are set for different profiling cases. This
 254  * mode is recommended for profiling specific work loads where you do
 255  * not want clock or power gating for clock fluctuation to interfere
 256  * with your results. profile_standard sets the clocks to a fixed clock
 257  * level which varies from asic to asic.  profile_min_sclk forces the sclk
 258  * to the lowest level.  profile_min_mclk forces the mclk to the lowest level.
 259  * profile_peak sets all clocks (mclk, sclk, pcie) to the highest levels.
 260  *
 261  */
 262
 263 static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
 264                                                             struct device_attribute *attr,
 265                                                             char *buf)
 266 {
 267         struct drm_device *ddev = dev_get_drvdata(dev);
 268         struct amdgpu_device *adev = drm_to_adev(ddev);
 269         enum amd_dpm_forced_level level = 0xff;
 270         int ret;
 271
 272         if (amdgpu_in_reset(adev))
 273                 return -EPERM;
 274         if (adev->in_suspend && !adev->in_runpm)
 275                 return -EPERM;
 276
 277         ret = pm_runtime_get_sync(ddev->dev);
 278         if (ret < 0) {
 279                 pm_runtime_put_autosuspend(ddev->dev);
 280                 return ret;
 281         }
 282
 283         if (adev->powerplay.pp_funcs->get_performance_level)
 284                 level = amdgpu_dpm_get_performance_level(adev);
 285         else
 286                 level = adev->pm.dpm.forced_level;
 287
 288         pm_runtime_mark_last_busy(ddev->dev);
 289         pm_runtime_put_autosuspend(ddev->dev);
 290
 291         return sysfs_emit(buf, "%s\n",
 292                           (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" :
 293                           (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" :
 294                           (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" :
 295                           (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" :
 296                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) ? "profile_standard" :
 297                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) ? "profile_min_sclk" :
 298                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) ? "profile_min_mclk" :
 299                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) ? "profile_peak" :
 300                           (level == AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) ? "perf_determinism" :
 301                           "unknown");
 302 }
 303
 304 static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
 305                                                             struct device_attribute *attr,
 306                                                             const char *buf,
 307                                                             size_t count)
 308 {
 309         struct drm_device *ddev = dev_get_drvdata(dev);
 310         struct amdgpu_device *adev = drm_to_adev(ddev);
 311         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
 312         enum amd_dpm_forced_level level;
 313         enum amd_dpm_forced_level current_level = 0xff;
 314         int ret = 0;
 315
 316         if (amdgpu_in_reset(adev))
 317                 return -EPERM;
 318         if (adev->in_suspend && !adev->in_runpm)
 319                 return -EPERM;
 320
 321         if (strncmp("low", buf, strlen("low")) == 0) {
 322                 level = AMD_DPM_FORCED_LEVEL_LOW;
 323         } else if (strncmp("high", buf, strlen("high")) == 0) {
 324                 level = AMD_DPM_FORCED_LEVEL_HIGH;
 325         } else if (strncmp("auto", buf, strlen("auto")) == 0) {
 326                 level = AMD_DPM_FORCED_LEVEL_AUTO;
 327         } else if (strncmp("manual", buf, strlen("manual")) == 0) {
 328                 level = AMD_DPM_FORCED_LEVEL_MANUAL;
 329         } else if (strncmp("profile_exit", buf, strlen("profile_exit")) == 0) {
 330                 level = AMD_DPM_FORCED_LEVEL_PROFILE_EXIT;
 331         } else if (strncmp("profile_standard", buf, strlen("profile_standard")) == 0) {
 332                 level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD;
 333         } else if (strncmp("profile_min_sclk", buf, strlen("profile_min_sclk")) == 0) {
 334                 level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK;
 335         } else if (strncmp("profile_min_mclk", buf, strlen("profile_min_mclk")) == 0) {
 336                 level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK;
 337         } else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) {
 338                 level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
 339         } else if (strncmp("perf_determinism", buf, strlen("perf_determinism")) == 0) {
 340                 level = AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM;
 341         }  else {
 342                 return -EINVAL;
 343         }
 344
 345         ret = pm_runtime_get_sync(ddev->dev);
 346         if (ret < 0) {
 347                 pm_runtime_put_autosuspend(ddev->dev);
 348                 return ret;
 349         }
 350
 351         if (pp_funcs->get_performance_level)
 352                 current_level = amdgpu_dpm_get_performance_level(adev);
 353
 354         if (current_level == level) {
 355                 pm_runtime_mark_last_busy(ddev->dev);
 356                 pm_runtime_put_autosuspend(ddev->dev);
 357                 return count;
 358         }
 359
 360         if (adev->asic_type == CHIP_RAVEN) {
 361                 if (!(adev->apu_flags & AMD_APU_IS_RAVEN2)) {
 362                         if (current_level != AMD_DPM_FORCED_LEVEL_MANUAL && level == AMD_DPM_FORCED_LEVEL_MANUAL)
 363                                 amdgpu_gfx_off_ctrl(adev, false);
 364                         else if (current_level == AMD_DPM_FORCED_LEVEL_MANUAL && level != AMD_DPM_FORCED_LEVEL_MANUAL)
 365                                 amdgpu_gfx_off_ctrl(adev, true);
 366                 }
 367         }
 368
 369         /* profile_exit setting is valid only when current mode is in profile mode */
 370         if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
 371             AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
 372             AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
 373             AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) &&
 374             (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) {
 375                 pr_err("Currently not in any profile mode!\n");
 376                 pm_runtime_mark_last_busy(ddev->dev);
 377                 pm_runtime_put_autosuspend(ddev->dev);
 378                 return -EINVAL;
 379         }
 380
 381         if (pp_funcs->force_performance_level) {
 382                 mutex_lock(&adev->pm.mutex);
 383                 if (adev->pm.dpm.thermal_active) {
 384                         mutex_unlock(&adev->pm.mutex);
 385                         pm_runtime_mark_last_busy(ddev->dev);
 386                         pm_runtime_put_autosuspend(ddev->dev);
 387                         return -EINVAL;
 388                 }
 389                 ret = amdgpu_dpm_force_performance_level(adev, level);
 390                 if (ret) {
 391                         mutex_unlock(&adev->pm.mutex);
 392                         pm_runtime_mark_last_busy(ddev->dev);
 393                         pm_runtime_put_autosuspend(ddev->dev);
 394                         return -EINVAL;
 395                 } else {
 396                         adev->pm.dpm.forced_level = level;
 397                 }
 398                 mutex_unlock(&adev->pm.mutex);
 399         }
 400         pm_runtime_mark_last_busy(ddev->dev);
 401         pm_runtime_put_autosuspend(ddev->dev);
 402
 403         return count;
 404 }
 405
 406 static ssize_t amdgpu_get_pp_num_states(struct device *dev,
 407                 struct device_attribute *attr,
 408                 char *buf)
 409 {
 410         struct drm_device *ddev = dev_get_drvdata(dev);
 411         struct amdgpu_device *adev = drm_to_adev(ddev);
 412         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
 413         struct pp_states_info data;
 414         uint32_t i;
 415         int buf_len, ret;
 416
 417         if (amdgpu_in_reset(adev))
 418                 return -EPERM;
 419         if (adev->in_suspend && !adev->in_runpm)
 420                 return -EPERM;
 421
 422         ret = pm_runtime_get_sync(ddev->dev);
 423         if (ret < 0) {
 424                 pm_runtime_put_autosuspend(ddev->dev);
 425                 return ret;
 426         }
 427
 428         if (pp_funcs->get_pp_num_states) {
 429                 amdgpu_dpm_get_pp_num_states(adev, &data);
 430         } else {
 431                 memset(&data, 0, sizeof(data));
 432         }
 433
 434         pm_runtime_mark_last_busy(ddev->dev);
 435         pm_runtime_put_autosuspend(ddev->dev);
 436
 437         buf_len = sysfs_emit(buf, "states: %d\n", data.nums);
 438         for (i = 0; i < data.nums; i++)
 439                 buf_len += sysfs_emit_at(buf, buf_len, "%d %s\n", i,
 440                                 (data.states[i] == POWER_STATE_TYPE_INTERNAL_BOOT) ? "boot" :
 441                                 (data.states[i] == POWER_STATE_TYPE_BATTERY) ? "battery" :
 442                                 (data.states[i] == POWER_STATE_TYPE_BALANCED) ? "balanced" :
 443                                 (data.states[i] == POWER_STATE_TYPE_PERFORMANCE) ? "performance" : "default");
 444
 445         return buf_len;
 446 }
 447
 448 static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
 449                 struct device_attribute *attr,
 450                 char *buf)
 451 {
 452         struct drm_device *ddev = dev_get_drvdata(dev);
 453         struct amdgpu_device *adev = drm_to_adev(ddev);
 454         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
 455         struct pp_states_info data = {0};
 456         enum amd_pm_state_type pm = 0;
 457         int i = 0, ret = 0;
 458
 459         if (amdgpu_in_reset(adev))
 460                 return -EPERM;
 461         if (adev->in_suspend && !adev->in_runpm)
 462                 return -EPERM;
 463
 464         ret = pm_runtime_get_sync(ddev->dev);
 465         if (ret < 0) {
 466                 pm_runtime_put_autosuspend(ddev->dev);
 467                 return ret;
 468         }
 469
 470         if (pp_funcs->get_current_power_state
 471                  && pp_funcs->get_pp_num_states) {
 472                 pm = amdgpu_dpm_get_current_power_state(adev);
 473                 amdgpu_dpm_get_pp_num_states(adev, &data);
 474         }
 475
 476         pm_runtime_mark_last_busy(ddev->dev);
 477         pm_runtime_put_autosuspend(ddev->dev);
 478
 479         for (i = 0; i < data.nums; i++) {
 480                 if (pm == data.states[i])
 481                         break;
 482         }
 483
 484         if (i == data.nums)
 485                 i = -EINVAL;
 486
 487         return sysfs_emit(buf, "%d\n", i);
 488 }
 489
 490 static ssize_t amdgpu_get_pp_force_state(struct device *dev,
 491                 struct device_attribute *attr,
 492                 char *buf)
 493 {
 494         struct drm_device *ddev = dev_get_drvdata(dev);
 495         struct amdgpu_device *adev = drm_to_adev(ddev);
 496
 497         if (amdgpu_in_reset(adev))
 498                 return -EPERM;
 499         if (adev->in_suspend && !adev->in_runpm)
 500                 return -EPERM;
 501
 502         if (adev->pp_force_state_enabled)
 503                 return amdgpu_get_pp_cur_state(dev, attr, buf);
 504         else
 505                 return sysfs_emit(buf, "\n");
 506 }
 507
 508 static ssize_t amdgpu_set_pp_force_state(struct device *dev,
 509                 struct device_attribute *attr,
 510                 const char *buf,
 511                 size_t count)
 512 {
 513         struct drm_device *ddev = dev_get_drvdata(dev);
 514         struct amdgpu_device *adev = drm_to_adev(ddev);
 515         enum amd_pm_state_type state = 0;
 516         unsigned long idx;
 517         int ret;
 518
 519         if (amdgpu_in_reset(adev))
 520                 return -EPERM;
 521         if (adev->in_suspend && !adev->in_runpm)
 522                 return -EPERM;
 523
 524         if (strlen(buf) == 1)
 525                 adev->pp_force_state_enabled = false;
 526         else if (is_support_sw_smu(adev))
 527                 adev->pp_force_state_enabled = false;
 528         else if (adev->powerplay.pp_funcs->dispatch_tasks &&
 529                         adev->powerplay.pp_funcs->get_pp_num_states) {
 530                 struct pp_states_info data;
 531
 532                 ret = kstrtoul(buf, 0, &idx);
 533                 if (ret || idx >= ARRAY_SIZE(data.states))
 534                         return -EINVAL;
 535
 536                 idx = array_index_nospec(idx, ARRAY_SIZE(data.states));
 537
 538                 amdgpu_dpm_get_pp_num_states(adev, &data);
 539                 state = data.states[idx];
 540
 541                 ret = pm_runtime_get_sync(ddev->dev);
 542                 if (ret < 0) {
 543                         pm_runtime_put_autosuspend(ddev->dev);
 544                         return ret;
 545                 }
 546
 547                 /* only set user selected power states */
 548                 if (state != POWER_STATE_TYPE_INTERNAL_BOOT &&
 549                     state != POWER_STATE_TYPE_DEFAULT) {
 550                         amdgpu_dpm_dispatch_task(adev,
 551                                         AMD_PP_TASK_ENABLE_USER_STATE, &state);
 552                         adev->pp_force_state_enabled = true;
 553                 }
 554                 pm_runtime_mark_last_busy(ddev->dev);
 555                 pm_runtime_put_autosuspend(ddev->dev);
 556         }
 557
 558         return count;
 559 }
 560
 561 /**
 562  * DOC: pp_table
 563  *
 564  * The amdgpu driver provides a sysfs API for uploading new powerplay
 565  * tables.  The file pp_table is used for this.  Reading the file
 566  * will dump the current power play table.  Writing to the file
 567  * will attempt to upload a new powerplay table and re-initialize
 568  * powerplay using that new table.
 569  *
 570  */
 571
 572 static ssize_t amdgpu_get_pp_table(struct device *dev,
 573                 struct device_attribute *attr,
 574                 char *buf)
 575 {
 576         struct drm_device *ddev = dev_get_drvdata(dev);
 577         struct amdgpu_device *adev = drm_to_adev(ddev);
 578         char *table = NULL;
 579         int size, ret;
 580
 581         if (amdgpu_in_reset(adev))
 582                 return -EPERM;
 583         if (adev->in_suspend && !adev->in_runpm)
 584                 return -EPERM;
 585
 586         ret = pm_runtime_get_sync(ddev->dev);
 587         if (ret < 0) {
 588                 pm_runtime_put_autosuspend(ddev->dev);
 589                 return ret;
 590         }
 591
 592         if (adev->powerplay.pp_funcs->get_pp_table) {
 593                 size = amdgpu_dpm_get_pp_table(adev, &table);
 594                 pm_runtime_mark_last_busy(ddev->dev);
 595                 pm_runtime_put_autosuspend(ddev->dev);
 596                 if (size < 0)
 597                         return size;
 598         } else {
 599                 pm_runtime_mark_last_busy(ddev->dev);
 600                 pm_runtime_put_autosuspend(ddev->dev);
 601                 return 0;
 602         }
 603
 604         if (size >= PAGE_SIZE)
 605                 size = PAGE_SIZE - 1;
 606
 607         memcpy(buf, table, size);
 608
 609         return size;
 610 }
 611
 612 static ssize_t amdgpu_set_pp_table(struct device *dev,
 613                 struct device_attribute *attr,
 614                 const char *buf,
 615                 size_t count)
 616 {
 617         struct drm_device *ddev = dev_get_drvdata(dev);
 618         struct amdgpu_device *adev = drm_to_adev(ddev);
 619         int ret = 0;
 620
 621         if (amdgpu_in_reset(adev))
 622                 return -EPERM;
 623         if (adev->in_suspend && !adev->in_runpm)
 624                 return -EPERM;
 625
 626         ret = pm_runtime_get_sync(ddev->dev);
 627         if (ret < 0) {
 628                 pm_runtime_put_autosuspend(ddev->dev);
 629                 return ret;
 630         }
 631
 632         ret = amdgpu_dpm_set_pp_table(adev, buf, count);
 633         if (ret) {
 634                 pm_runtime_mark_last_busy(ddev->dev);
 635                 pm_runtime_put_autosuspend(ddev->dev);
 636                 return ret;
 637         }
 638
 639         pm_runtime_mark_last_busy(ddev->dev);
 640         pm_runtime_put_autosuspend(ddev->dev);
 641
 642         return count;
 643 }
 644
 645 /**
 646  * DOC: pp_od_clk_voltage
 647  *
 648  * The amdgpu driver provides a sysfs API for adjusting the clocks and voltages
 649  * in each power level within a power state.  The pp_od_clk_voltage is used for
 650  * this.
 651  *
 652  * Note that the actual memory controller clock rate are exposed, not
 653  * the effective memory clock of the DRAMs. To translate it, use the
 654  * following formula:
 655  *
 656  * Clock conversion (Mhz):
 657  *
 658  * HBM: effective_memory_clock = memory_controller_clock * 1
 659  *
 660  * G5: effective_memory_clock = memory_controller_clock * 1
 661  *
 662  * G6: effective_memory_clock = memory_controller_clock * 2
 663  *
 664  * DRAM data rate (MT/s):
 665  *
 666  * HBM: effective_memory_clock * 2 = data_rate
 667  *
 668  * G5: effective_memory_clock * 4 = data_rate
 669  *
 670  * G6: effective_memory_clock * 8 = data_rate
 671  *
 672  * Bandwidth (MB/s):
 673  *
 674  * data_rate * vram_bit_width / 8 = memory_bandwidth
 675  *
 676  * Some examples:
 677  *
 678  * G5 on RX460:
 679  *
 680  * memory_controller_clock = 1750 Mhz
 681  *
 682  * effective_memory_clock = 1750 Mhz * 1 = 1750 Mhz
 683  *
 684  * data rate = 1750 * 4 = 7000 MT/s
 685  *
 686  * memory_bandwidth = 7000 * 128 bits / 8 = 112000 MB/s
 687  *
 688  * G6 on RX5700:
 689  *
 690  * memory_controller_clock = 875 Mhz
 691  *
 692  * effective_memory_clock = 875 Mhz * 2 = 1750 Mhz
 693  *
 694  * data rate = 1750 * 8 = 14000 MT/s
 695  *
 696  * memory_bandwidth = 14000 * 256 bits / 8 = 448000 MB/s
 697  *
 698  * < For Vega10 and previous ASICs >
 699  *
 700  * Reading the file will display:
 701  *
 702  * - a list of engine clock levels and voltages labeled OD_SCLK
 703  *
 704  * - a list of memory clock levels and voltages labeled OD_MCLK
 705  *
 706  * - a list of valid ranges for sclk, mclk, and voltage labeled OD_RANGE
 707  *
 708  * To manually adjust these settings, first select manual using
 709  * power_dpm_force_performance_level. Enter a new value for each
 710  * level by writing a string that contains "s/m level clock voltage" to
 711  * the file.  E.g., "s 1 500 820" will update sclk level 1 to be 500 MHz
 712  * at 820 mV; "m 0 350 810" will update mclk level 0 to be 350 MHz at
 713  * 810 mV.  When you have edited all of the states as needed, write
 714  * "c" (commit) to the file to commit your changes.  If you want to reset to the
 715  * default power levels, write "r" (reset) to the file to reset them.
 716  *
 717  *
 718  * < For Vega20 and newer ASICs >
 719  *
 720  * Reading the file will display:
 721  *
 722  * - minimum and maximum engine clock labeled OD_SCLK
 723  *
 724  * - minimum(not available for Vega20 and Navi1x) and maximum memory
 725  *   clock labeled OD_MCLK
 726  *
 727  * - three <frequency, voltage> points labeled OD_VDDC_CURVE.
 728  *   They can be used to calibrate the sclk voltage curve.
 729  *
 730  * - voltage offset(in mV) applied on target voltage calculation.
 731  *   This is available for Sienna Cichlid, Navy Flounder and Dimgrey
 732  *   Cavefish. For these ASICs, the target voltage calculation can be
 733  *   illustrated by "voltage = voltage calculated from v/f curve +
 734  *   overdrive vddgfx offset"
 735  *
 736  * - a list of valid ranges for sclk, mclk, and voltage curve points
 737  *   labeled OD_RANGE
 738  *
 739  * < For APUs >
 740  *
 741  * Reading the file will display:
 742  *
 743  * - minimum and maximum engine clock labeled OD_SCLK
 744  *
 745  * - a list of valid ranges for sclk labeled OD_RANGE
 746  *
 747  * < For VanGogh >
 748  *
 749  * Reading the file will display:
 750  *
 751  * - minimum and maximum engine clock labeled OD_SCLK
 752  * - minimum and maximum core clocks labeled OD_CCLK
 753  *
 754  * - a list of valid ranges for sclk and cclk labeled OD_RANGE
 755  *
 756  * To manually adjust these settings:
 757  *
 758  * - First select manual using power_dpm_force_performance_level
 759  *
 760  * - For clock frequency setting, enter a new value by writing a
 761  *   string that contains "s/m index clock" to the file. The index
 762  *   should be 0 if to set minimum clock. And 1 if to set maximum
 763  *   clock. E.g., "s 0 500" will update minimum sclk to be 500 MHz.
 764  *   "m 1 800" will update maximum mclk to be 800Mhz. For core
 765  *   clocks on VanGogh, the string contains "p core index clock".
 766  *   E.g., "p 2 0 800" would set the minimum core clock on core
 767  *   2 to 800Mhz.
 768  *
 769  *   For sclk voltage curve, enter the new values by writing a
 770  *   string that contains "vc point clock voltage" to the file. The
 771  *   points are indexed by 0, 1 and 2. E.g., "vc 0 300 600" will
 772  *   update point1 with clock set as 300Mhz and voltage as
 773  *   600mV. "vc 2 1000 1000" will update point3 with clock set
 774  *   as 1000Mhz and voltage 1000mV.
 775  *
 776  *   To update the voltage offset applied for gfxclk/voltage calculation,
 777  *   enter the new value by writing a string that contains "vo offset".
 778  *   This is supported by Sienna Cichlid, Navy Flounder and Dimgrey Cavefish.
 779  *   And the offset can be a positive or negative value.
 780  *
 781  * - When you have edited all of the states as needed, write "c" (commit)
 782  *   to the file to commit your changes
 783  *
 784  * - If you want to reset to the default power levels, write "r" (reset)
 785  *   to the file to reset them
 786  *
 787  */
 788
 789 static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
 790                 struct device_attribute *attr,
 791                 const char *buf,
 792                 size_t count)
 793 {
 794         struct drm_device *ddev = dev_get_drvdata(dev);
 795         struct amdgpu_device *adev = drm_to_adev(ddev);
 796         int ret;
 797         uint32_t parameter_size = 0;
 798         long parameter[64];
 799         char buf_cpy[128];
 800         char *tmp_str;
 801         char *sub_str;
 802         const char delimiter[3] = {' ', '\n', '\0'};
 803         uint32_t type;
 804
 805         if (amdgpu_in_reset(adev))
 806                 return -EPERM;
 807         if (adev->in_suspend && !adev->in_runpm)
 808                 return -EPERM;
 809
 810         if (count > 127)
 811                 return -EINVAL;
 812
 813         if (*buf == 's')
 814                 type = PP_OD_EDIT_SCLK_VDDC_TABLE;
 815         else if (*buf == 'p')
 816                 type = PP_OD_EDIT_CCLK_VDDC_TABLE;
 817         else if (*buf == 'm')
 818                 type = PP_OD_EDIT_MCLK_VDDC_TABLE;
 819         else if(*buf == 'r')
 820                 type = PP_OD_RESTORE_DEFAULT_TABLE;
 821         else if (*buf == 'c')
 822                 type = PP_OD_COMMIT_DPM_TABLE;
 823         else if (!strncmp(buf, "vc", 2))
 824                 type = PP_OD_EDIT_VDDC_CURVE;
 825         else if (!strncmp(buf, "vo", 2))
 826                 type = PP_OD_EDIT_VDDGFX_OFFSET;
 827         else
 828                 return -EINVAL;
 829
 830         memcpy(buf_cpy, buf, count+1);
 831
 832         tmp_str = buf_cpy;
 833
 834         if ((type == PP_OD_EDIT_VDDC_CURVE) ||
 835              (type == PP_OD_EDIT_VDDGFX_OFFSET))
 836                 tmp_str++;
 837         while (isspace(*++tmp_str));
 838
 839         while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
 840                 if (strlen(sub_str) == 0)
 841                         continue;
 842                 ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
 843                 if (ret)
 844                         return -EINVAL;
 845                 parameter_size++;
 846
 847                 while (isspace(*tmp_str))
 848                         tmp_str++;
 849         }
 850
 851         ret = pm_runtime_get_sync(ddev->dev);
 852         if (ret < 0) {
 853                 pm_runtime_put_autosuspend(ddev->dev);
 854                 return ret;
 855         }
 856
 857         if (adev->powerplay.pp_funcs->set_fine_grain_clk_vol) {
 858                 ret = amdgpu_dpm_set_fine_grain_clk_vol(adev, type,
 859                                                         parameter,
 860                                                         parameter_size);
 861                 if (ret) {
 862                         pm_runtime_mark_last_busy(ddev->dev);
 863                         pm_runtime_put_autosuspend(ddev->dev);
 864                         return -EINVAL;
 865                 }
 866         }
 867
 868         if (adev->powerplay.pp_funcs->odn_edit_dpm_table) {
 869                 ret = amdgpu_dpm_odn_edit_dpm_table(adev, type,
 870                                                     parameter, parameter_size);
 871                 if (ret) {
 872                         pm_runtime_mark_last_busy(ddev->dev);
 873                         pm_runtime_put_autosuspend(ddev->dev);
 874                         return -EINVAL;
 875                 }
 876         }
 877
 878         if (type == PP_OD_COMMIT_DPM_TABLE) {
 879                 if (adev->powerplay.pp_funcs->dispatch_tasks) {
 880                         amdgpu_dpm_dispatch_task(adev,
 881                                                  AMD_PP_TASK_READJUST_POWER_STATE,
 882                                                  NULL);
 883                         pm_runtime_mark_last_busy(ddev->dev);
 884                         pm_runtime_put_autosuspend(ddev->dev);
 885                         return count;
 886                 } else {
 887                         pm_runtime_mark_last_busy(ddev->dev);
 888                         pm_runtime_put_autosuspend(ddev->dev);
 889                         return -EINVAL;
 890                 }
 891         }
 892
 893         pm_runtime_mark_last_busy(ddev->dev);
 894         pm_runtime_put_autosuspend(ddev->dev);
 895
 896         return count;
 897 }
 898
 899 static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
 900                 struct device_attribute *attr,
 901                 char *buf)
 902 {
 903         struct drm_device *ddev = dev_get_drvdata(dev);
 904         struct amdgpu_device *adev = drm_to_adev(ddev);
 905         ssize_t size;
 906         int ret;
 907
 908         if (amdgpu_in_reset(adev))
 909                 return -EPERM;
 910         if (adev->in_suspend && !adev->in_runpm)
 911                 return -EPERM;
 912
 913         ret = pm_runtime_get_sync(ddev->dev);
 914         if (ret < 0) {
 915                 pm_runtime_put_autosuspend(ddev->dev);
 916                 return ret;
 917         }
 918
 919         if (adev->powerplay.pp_funcs->print_clock_levels) {
 920                 size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf);
 921                 size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf+size);
 922                 size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf+size);
 923                 size += amdgpu_dpm_print_clock_levels(adev, OD_VDDGFX_OFFSET, buf+size);
 924                 size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf+size);
 925                 size += amdgpu_dpm_print_clock_levels(adev, OD_CCLK, buf+size);
 926         } else {
 927                 size = sysfs_emit(buf, "\n");
 928         }
 929         pm_runtime_mark_last_busy(ddev->dev);
 930         pm_runtime_put_autosuspend(ddev->dev);
 931
 932         return size;
 933 }
 934
 935 /**
 936  * DOC: pp_features
 937  *
 938  * The amdgpu driver provides a sysfs API for adjusting what powerplay
 939  * features to be enabled. The file pp_features is used for this. And
 940  * this is only available for Vega10 and later dGPUs.
 941  *
 942  * Reading back the file will show you the followings:
 943  * - Current ppfeature masks
 944  * - List of the all supported powerplay features with their naming,
 945  *   bitmasks and enablement status('Y'/'N' means "enabled"/"disabled").
 946  *
 947  * To manually enable or disable a specific feature, just set or clear
 948  * the corresponding bit from original ppfeature masks and input the
 949  * new ppfeature masks.
 950  */
 951 static ssize_t amdgpu_set_pp_features(struct device *dev,
 952                                       struct device_attribute *attr,
 953                                       const char *buf,
 954                                       size_t count)
 955 {
 956         struct drm_device *ddev = dev_get_drvdata(dev);
 957         struct amdgpu_device *adev = drm_to_adev(ddev);
 958         uint64_t featuremask;
 959         int ret;
 960
 961         if (amdgpu_in_reset(adev))
 962                 return -EPERM;
 963         if (adev->in_suspend && !adev->in_runpm)
 964                 return -EPERM;
 965
 966         ret = kstrtou64(buf, 0, &featuremask);
 967         if (ret)
 968                 return -EINVAL;
 969
 970         ret = pm_runtime_get_sync(ddev->dev);
 971         if (ret < 0) {
 972                 pm_runtime_put_autosuspend(ddev->dev);
 973                 return ret;
 974         }
 975
 976         if (adev->powerplay.pp_funcs->set_ppfeature_status) {
 977                 ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
 978                 if (ret) {
 979                         pm_runtime_mark_last_busy(ddev->dev);
 980                         pm_runtime_put_autosuspend(ddev->dev);
 981                         return -EINVAL;
 982                 }
 983         }
 984         pm_runtime_mark_last_busy(ddev->dev);
 985         pm_runtime_put_autosuspend(ddev->dev);
 986
 987         return count;
 988 }
 989
 990 static ssize_t amdgpu_get_pp_features(struct device *dev,
 991                                       struct device_attribute *attr,
 992                                       char *buf)
 993 {
 994         struct drm_device *ddev = dev_get_drvdata(dev);
 995         struct amdgpu_device *adev = drm_to_adev(ddev);
 996         ssize_t size;
 997         int ret;
 998
 999         if (amdgpu_in_reset(adev))
1000                 return -EPERM;
1001         if (adev->in_suspend && !adev->in_runpm)
1002                 return -EPERM;
1003
1004         ret = pm_runtime_get_sync(ddev->dev);
1005         if (ret < 0) {
1006                 pm_runtime_put_autosuspend(ddev->dev);
1007                 return ret;
1008         }
1009
1010         if (adev->powerplay.pp_funcs->get_ppfeature_status)
1011                 size = amdgpu_dpm_get_ppfeature_status(adev, buf);
1012         else
1013                 size = sysfs_emit(buf, "\n");
1014
1015         pm_runtime_mark_last_busy(ddev->dev);
1016         pm_runtime_put_autosuspend(ddev->dev);
1017
1018         return size;
1019 }
1020
1021 /**
1022  * DOC: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie
1023  *
1024  * The amdgpu driver provides a sysfs API for adjusting what power levels
1025  * are enabled for a given power state.  The files pp_dpm_sclk, pp_dpm_mclk,
1026  * pp_dpm_socclk, pp_dpm_fclk, pp_dpm_dcefclk and pp_dpm_pcie are used for
1027  * this.
1028  *
1029  * pp_dpm_socclk and pp_dpm_dcefclk interfaces are only available for
1030  * Vega10 and later ASICs.
1031  * pp_dpm_fclk interface is only available for Vega20 and later ASICs.
1032  *
1033  * Reading back the files will show you the available power levels within
1034  * the power state and the clock information for those levels.
1035  *
1036  * To manually adjust these states, first select manual using
1037  * power_dpm_force_performance_level.
1038  * Secondly, enter a new value for each level by inputing a string that
1039  * contains " echo xx xx xx > pp_dpm_sclk/mclk/pcie"
1040  * E.g.,
1041  *
1042  * .. code-block:: bash
1043  *
1044  *      echo "4 5 6" > pp_dpm_sclk
1045  *
1046  * will enable sclk levels 4, 5, and 6.
1047  *
1048  * NOTE: change to the dcefclk max dpm level is not supported now
1049  */
1050
1051 static ssize_t amdgpu_get_pp_dpm_clock(struct device *dev,
1052                 enum pp_clock_type type,
1053                 char *buf)
1054 {
1055         struct drm_device *ddev = dev_get_drvdata(dev);
1056         struct amdgpu_device *adev = drm_to_adev(ddev);
1057         ssize_t size;
1058         int ret;
1059
1060         if (amdgpu_in_reset(adev))
1061                 return -EPERM;
1062         if (adev->in_suspend && !adev->in_runpm)
1063                 return -EPERM;
1064
1065         ret = pm_runtime_get_sync(ddev->dev);
1066         if (ret < 0) {
1067                 pm_runtime_put_autosuspend(ddev->dev);
1068                 return ret;
1069         }
1070
1071         if (adev->powerplay.pp_funcs->print_clock_levels)
1072                 size = amdgpu_dpm_print_clock_levels(adev, type, buf);
1073         else
1074                 size = sysfs_emit(buf, "\n");
1075
1076         pm_runtime_mark_last_busy(ddev->dev);
1077         pm_runtime_put_autosuspend(ddev->dev);
1078
1079         return size;
1080 }
1081
1082 /*
1083  * Worst case: 32 bits individually specified, in octal at 12 characters
1084  * per line (+1 for \n).
1085  */
1086 #define AMDGPU_MASK_BUF_MAX     (32 * 13)
1087
1088 static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
1089 {
1090         int ret;
1091         unsigned long level;
1092         char *sub_str = NULL;
1093         char *tmp;
1094         char buf_cpy[AMDGPU_MASK_BUF_MAX + 1];
1095         const char delimiter[3] = {' ', '\n', '\0'};
1096         size_t bytes;
1097
1098         *mask = 0;
1099
1100         bytes = min(count, sizeof(buf_cpy) - 1);
1101         memcpy(buf_cpy, buf, bytes);
1102         buf_cpy[bytes] = '\0';
1103         tmp = buf_cpy;
1104         while ((sub_str = strsep(&tmp, delimiter)) != NULL) {
1105                 if (strlen(sub_str)) {
1106                         ret = kstrtoul(sub_str, 0, &level);
1107                         if (ret || level > 31)
1108                                 return -EINVAL;
1109                         *mask |= 1 << level;
1110                 } else
1111                         break;
1112         }
1113
1114         return 0;
1115 }
1116
1117 static ssize_t amdgpu_set_pp_dpm_clock(struct device *dev,
1118                 enum pp_clock_type type,
1119                 const char *buf,
1120                 size_t count)
1121 {
1122         struct drm_device *ddev = dev_get_drvdata(dev);
1123         struct amdgpu_device *adev = drm_to_adev(ddev);
1124         int ret;
1125         uint32_t mask = 0;
1126
1127         if (amdgpu_in_reset(adev))
1128                 return -EPERM;
1129         if (adev->in_suspend && !adev->in_runpm)
1130                 return -EPERM;
1131
1132         ret = amdgpu_read_mask(buf, count, &mask);
1133         if (ret)
1134                 return ret;
1135
1136         ret = pm_runtime_get_sync(ddev->dev);
1137         if (ret < 0) {
1138                 pm_runtime_put_autosuspend(ddev->dev);
1139                 return ret;
1140         }
1141
1142         if (adev->powerplay.pp_funcs->force_clock_level)
1143                 ret = amdgpu_dpm_force_clock_level(adev, type, mask);
1144         else
1145                 ret = 0;
1146
1147         pm_runtime_mark_last_busy(ddev->dev);
1148         pm_runtime_put_autosuspend(ddev->dev);
1149
1150         if (ret)
1151                 return -EINVAL;
1152
1153         return count;
1154 }
1155
1156 static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
1157                 struct device_attribute *attr,
1158                 char *buf)
1159 {
1160         return amdgpu_get_pp_dpm_clock(dev, PP_SCLK, buf);
1161 }
1162
1163 static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
1164                 struct device_attribute *attr,
1165                 const char *buf,
1166                 size_t count)
1167 {
1168         return amdgpu_set_pp_dpm_clock(dev, PP_SCLK, buf, count);
1169 }
1170
1171 static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
1172                 struct device_attribute *attr,
1173                 char *buf)
1174 {
1175         return amdgpu_get_pp_dpm_clock(dev, PP_MCLK, buf);
1176 }
1177
1178 static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
1179                 struct device_attribute *attr,
1180                 const char *buf,
1181                 size_t count)
1182 {
1183         return amdgpu_set_pp_dpm_clock(dev, PP_MCLK, buf, count);
1184 }
1185
1186 static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
1187                 struct device_attribute *attr,
1188                 char *buf)
1189 {
1190         return amdgpu_get_pp_dpm_clock(dev, PP_SOCCLK, buf);
1191 }
1192
1193 static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
1194                 struct device_attribute *attr,
1195                 const char *buf,
1196                 size_t count)
1197 {
1198         return amdgpu_set_pp_dpm_clock(dev, PP_SOCCLK, buf, count);
1199 }
1200
1201 static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
1202                 struct device_attribute *attr,
1203                 char *buf)
1204 {
1205         return amdgpu_get_pp_dpm_clock(dev, PP_FCLK, buf);
1206 }
1207
1208 static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
1209                 struct device_attribute *attr,
1210                 const char *buf,
1211                 size_t count)
1212 {
1213         return amdgpu_set_pp_dpm_clock(dev, PP_FCLK, buf, count);
1214 }
1215
1216 static ssize_t amdgpu_get_pp_dpm_vclk(struct device *dev,
1217                 struct device_attribute *attr,
1218                 char *buf)
1219 {
1220         return amdgpu_get_pp_dpm_clock(dev, PP_VCLK, buf);
1221 }
1222
1223 static ssize_t amdgpu_set_pp_dpm_vclk(struct device *dev,
1224                 struct device_attribute *attr,
1225                 const char *buf,
1226                 size_t count)
1227 {
1228         return amdgpu_set_pp_dpm_clock(dev, PP_VCLK, buf, count);
1229 }
1230
1231 static ssize_t amdgpu_get_pp_dpm_dclk(struct device *dev,
1232                 struct device_attribute *attr,
1233                 char *buf)
1234 {
1235         return amdgpu_get_pp_dpm_clock(dev, PP_DCLK, buf);
1236 }
1237
1238 static ssize_t amdgpu_set_pp_dpm_dclk(struct device *dev,
1239                 struct device_attribute *attr,
1240                 const char *buf,
1241                 size_t count)
1242 {
1243         return amdgpu_set_pp_dpm_clock(dev, PP_DCLK, buf, count);
1244 }
1245
1246 static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
1247                 struct device_attribute *attr,
1248                 char *buf)
1249 {
1250         return amdgpu_get_pp_dpm_clock(dev, PP_DCEFCLK, buf);
1251 }
1252
1253 static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
1254                 struct device_attribute *attr,
1255                 const char *buf,
1256                 size_t count)
1257 {
1258         return amdgpu_set_pp_dpm_clock(dev, PP_DCEFCLK, buf, count);
1259 }
1260
1261 static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
1262                 struct device_attribute *attr,
1263                 char *buf)
1264 {
1265         return amdgpu_get_pp_dpm_clock(dev, PP_PCIE, buf);
1266 }
1267
1268 static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
1269                 struct device_attribute *attr,
1270                 const char *buf,
1271                 size_t count)
1272 {
1273         return amdgpu_set_pp_dpm_clock(dev, PP_PCIE, buf, count);
1274 }
1275
1276 static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
1277                 struct device_attribute *attr,
1278                 char *buf)
1279 {
1280         struct drm_device *ddev = dev_get_drvdata(dev);
1281         struct amdgpu_device *adev = drm_to_adev(ddev);
1282         uint32_t value = 0;
1283         int ret;
1284
1285         if (amdgpu_in_reset(adev))
1286                 return -EPERM;
1287         if (adev->in_suspend && !adev->in_runpm)
1288                 return -EPERM;
1289
1290         ret = pm_runtime_get_sync(ddev->dev);
1291         if (ret < 0) {
1292                 pm_runtime_put_autosuspend(ddev->dev);
1293                 return ret;
1294         }
1295
1296         if (is_support_sw_smu(adev))
1297                 value = 0;
1298         else if (adev->powerplay.pp_funcs->get_sclk_od)
1299                 value = amdgpu_dpm_get_sclk_od(adev);
1300
1301         pm_runtime_mark_last_busy(ddev->dev);
1302         pm_runtime_put_autosuspend(ddev->dev);
1303
1304         return sysfs_emit(buf, "%d\n", value);
1305 }
1306
1307 static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
1308                 struct device_attribute *attr,
1309                 const char *buf,
1310                 size_t count)
1311 {
1312         struct drm_device *ddev = dev_get_drvdata(dev);
1313         struct amdgpu_device *adev = drm_to_adev(ddev);
1314         int ret;
1315         long int value;
1316
1317         if (amdgpu_in_reset(adev))
1318                 return -EPERM;
1319         if (adev->in_suspend && !adev->in_runpm)
1320                 return -EPERM;
1321
1322         ret = kstrtol(buf, 0, &value);
1323
1324         if (ret)
1325                 return -EINVAL;
1326
1327         ret = pm_runtime_get_sync(ddev->dev);
1328         if (ret < 0) {
1329                 pm_runtime_put_autosuspend(ddev->dev);
1330                 return ret;
1331         }
1332
1333         if (is_support_sw_smu(adev)) {
1334                 value = 0;
1335         } else {
1336                 if (adev->powerplay.pp_funcs->set_sclk_od)
1337                         amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
1338
1339                 if (adev->powerplay.pp_funcs->dispatch_tasks) {
1340                         amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL);
1341                 } else {
1342                         adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
1343                         amdgpu_pm_compute_clocks(adev);
1344                 }
1345         }
1346
1347         pm_runtime_mark_last_busy(ddev->dev);
1348         pm_runtime_put_autosuspend(ddev->dev);
1349
1350         return count;
1351 }
1352
1353 static ssize_t amdgpu_get_pp_mclk_od(struct device *dev,
1354                 struct device_attribute *attr,
1355                 char *buf)
1356 {
1357         struct drm_device *ddev = dev_get_drvdata(dev);
1358         struct amdgpu_device *adev = drm_to_adev(ddev);
1359         uint32_t value = 0;
1360         int ret;
1361
1362         if (amdgpu_in_reset(adev))
1363                 return -EPERM;
1364         if (adev->in_suspend && !adev->in_runpm)
1365                 return -EPERM;
1366
1367         ret = pm_runtime_get_sync(ddev->dev);
1368         if (ret < 0) {
1369                 pm_runtime_put_autosuspend(ddev->dev);
1370                 return ret;
1371         }
1372
1373         if (is_support_sw_smu(adev))
1374                 value = 0;
1375         else if (adev->powerplay.pp_funcs->get_mclk_od)
1376                 value = amdgpu_dpm_get_mclk_od(adev);
1377
1378         pm_runtime_mark_last_busy(ddev->dev);
1379         pm_runtime_put_autosuspend(ddev->dev);
1380
1381         return sysfs_emit(buf, "%d\n", value);
1382 }
1383
1384 static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
1385                 struct device_attribute *attr,
1386                 const char *buf,
1387                 size_t count)
1388 {
1389         struct drm_device *ddev = dev_get_drvdata(dev);
1390         struct amdgpu_device *adev = drm_to_adev(ddev);
1391         int ret;
1392         long int value;
1393
1394         if (amdgpu_in_reset(adev))
1395                 return -EPERM;
1396         if (adev->in_suspend && !adev->in_runpm)
1397                 return -EPERM;
1398
1399         ret = kstrtol(buf, 0, &value);
1400
1401         if (ret)
1402                 return -EINVAL;
1403
1404         ret = pm_runtime_get_sync(ddev->dev);
1405         if (ret < 0) {
1406                 pm_runtime_put_autosuspend(ddev->dev);
1407                 return ret;
1408         }
1409
1410         if (is_support_sw_smu(adev)) {
1411                 value = 0;
1412         } else {
1413                 if (adev->powerplay.pp_funcs->set_mclk_od)
1414                         amdgpu_dpm_set_mclk_od(adev, (uint32_t)value);
1415
1416                 if (adev->powerplay.pp_funcs->dispatch_tasks) {
1417                         amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL);
1418                 } else {
1419                         adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
1420                         amdgpu_pm_compute_clocks(adev);
1421                 }
1422         }
1423
1424         pm_runtime_mark_last_busy(ddev->dev);
1425         pm_runtime_put_autosuspend(ddev->dev);
1426
1427         return count;
1428 }
1429
1430 /**
1431  * DOC: pp_power_profile_mode
1432  *
1433  * The amdgpu driver provides a sysfs API for adjusting the heuristics
1434  * related to switching between power levels in a power state.  The file
1435  * pp_power_profile_mode is used for this.
1436  *
1437  * Reading this file outputs a list of all of the predefined power profiles
1438  * and the relevant heuristics settings for that profile.
1439  *
1440  * To select a profile or create a custom profile, first select manual using
1441  * power_dpm_force_performance_level.  Writing the number of a predefined
1442  * profile to pp_power_profile_mode will enable those heuristics.  To
1443  * create a custom set of heuristics, write a string of numbers to the file
1444  * starting with the number of the custom profile along with a setting
1445  * for each heuristic parameter.  Due to differences across asic families
1446  * the heuristic parameters vary from family to family.
1447  *
1448  */
1449
1450 static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev,
1451                 struct device_attribute *attr,
1452                 char *buf)
1453 {
1454         struct drm_device *ddev = dev_get_drvdata(dev);
1455         struct amdgpu_device *adev = drm_to_adev(ddev);
1456         ssize_t size;
1457         int ret;
1458
1459         if (amdgpu_in_reset(adev))
1460                 return -EPERM;
1461         if (adev->in_suspend && !adev->in_runpm)
1462                 return -EPERM;
1463
1464         ret = pm_runtime_get_sync(ddev->dev);
1465         if (ret < 0) {
1466                 pm_runtime_put_autosuspend(ddev->dev);
1467                 return ret;
1468         }
1469
1470         if (adev->powerplay.pp_funcs->get_power_profile_mode)
1471                 size = amdgpu_dpm_get_power_profile_mode(adev, buf);
1472         else
1473                 size = sysfs_emit(buf, "\n");
1474
1475         pm_runtime_mark_last_busy(ddev->dev);
1476         pm_runtime_put_autosuspend(ddev->dev);
1477
1478         return size;
1479 }
1480
1481
1482 static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
1483                 struct device_attribute *attr,
1484                 const char *buf,
1485                 size_t count)
1486 {
1487         int ret;
1488         struct drm_device *ddev = dev_get_drvdata(dev);
1489         struct amdgpu_device *adev = drm_to_adev(ddev);
1490         uint32_t parameter_size = 0;
1491         long parameter[64];
1492         char *sub_str, buf_cpy[128];
1493         char *tmp_str;
1494         uint32_t i = 0;
1495         char tmp[2];
1496         long int profile_mode = 0;
1497         const char delimiter[3] = {' ', '\n', '\0'};
1498
1499         if (amdgpu_in_reset(adev))
1500                 return -EPERM;
1501         if (adev->in_suspend && !adev->in_runpm)
1502                 return -EPERM;
1503
1504         tmp[0] = *(buf);
1505         tmp[1] = '\0';
1506         ret = kstrtol(tmp, 0, &profile_mode);
1507         if (ret)
1508                 return -EINVAL;
1509
1510         if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
1511                 if (count < 2 || count > 127)
1512                         return -EINVAL;
1513                 while (isspace(*++buf))
1514                         i++;
1515                 memcpy(buf_cpy, buf, count-i);
1516                 tmp_str = buf_cpy;
1517                 while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
1518                         if (strlen(sub_str) == 0)
1519                                 continue;
1520                         ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
1521                         if (ret)
1522                                 return -EINVAL;
1523                         parameter_size++;
1524                         while (isspace(*tmp_str))
1525                                 tmp_str++;
1526                 }
1527         }
1528         parameter[parameter_size] = profile_mode;
1529
1530         ret = pm_runtime_get_sync(ddev->dev);
1531         if (ret < 0) {
1532                 pm_runtime_put_autosuspend(ddev->dev);
1533                 return ret;
1534         }
1535
1536         if (adev->powerplay.pp_funcs->set_power_profile_mode)
1537                 ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size);
1538
1539         pm_runtime_mark_last_busy(ddev->dev);
1540         pm_runtime_put_autosuspend(ddev->dev);
1541
1542         if (!ret)
1543                 return count;
1544
1545         return -EINVAL;
1546 }
1547
1548 /**
1549  * DOC: gpu_busy_percent
1550  *
1551  * The amdgpu driver provides a sysfs API for reading how busy the GPU
1552  * is as a percentage.  The file gpu_busy_percent is used for this.
1553  * The SMU firmware computes a percentage of load based on the
1554  * aggregate activity level in the IP cores.
1555  */
1556 static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
1557                                            struct device_attribute *attr,
1558                                            char *buf)
1559 {
1560         struct drm_device *ddev = dev_get_drvdata(dev);
1561         struct amdgpu_device *adev = drm_to_adev(ddev);
1562         int r, value, size = sizeof(value);
1563
1564         if (amdgpu_in_reset(adev))
1565                 return -EPERM;
1566         if (adev->in_suspend && !adev->in_runpm)
1567                 return -EPERM;
1568
1569         r = pm_runtime_get_sync(ddev->dev);
1570         if (r < 0) {
1571                 pm_runtime_put_autosuspend(ddev->dev);
1572                 return r;
1573         }
1574
1575         /* read the IP busy sensor */
1576         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD,
1577                                    (void *)&value, &size);
1578
1579         pm_runtime_mark_last_busy(ddev->dev);
1580         pm_runtime_put_autosuspend(ddev->dev);
1581
1582         if (r)
1583                 return r;
1584
1585         return sysfs_emit(buf, "%d\n", value);
1586 }
1587
1588 /**
1589  * DOC: mem_busy_percent
1590  *
1591  * The amdgpu driver provides a sysfs API for reading how busy the VRAM
1592  * is as a percentage.  The file mem_busy_percent is used for this.
1593  * The SMU firmware computes a percentage of load based on the
1594  * aggregate activity level in the IP cores.
1595  */
1596 static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
1597                                            struct device_attribute *attr,
1598                                            char *buf)
1599 {
1600         struct drm_device *ddev = dev_get_drvdata(dev);
1601         struct amdgpu_device *adev = drm_to_adev(ddev);
1602         int r, value, size = sizeof(value);
1603
1604         if (amdgpu_in_reset(adev))
1605                 return -EPERM;
1606         if (adev->in_suspend && !adev->in_runpm)
1607                 return -EPERM;
1608
1609         r = pm_runtime_get_sync(ddev->dev);
1610         if (r < 0) {
1611                 pm_runtime_put_autosuspend(ddev->dev);
1612                 return r;
1613         }
1614
1615         /* read the IP busy sensor */
1616         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD,
1617                                    (void *)&value, &size);
1618
1619         pm_runtime_mark_last_busy(ddev->dev);
1620         pm_runtime_put_autosuspend(ddev->dev);
1621
1622         if (r)
1623                 return r;
1624
1625         return sysfs_emit(buf, "%d\n", value);
1626 }
1627
1628 /**
1629  * DOC: pcie_bw
1630  *
1631  * The amdgpu driver provides a sysfs API for estimating how much data
1632  * has been received and sent by the GPU in the last second through PCIe.
1633  * The file pcie_bw is used for this.
1634  * The Perf counters count the number of received and sent messages and return
1635  * those values, as well as the maximum payload size of a PCIe packet (mps).
1636  * Note that it is not possible to easily and quickly obtain the size of each
1637  * packet transmitted, so we output the max payload size (mps) to allow for
1638  * quick estimation of the PCIe bandwidth usage
1639  */
1640 static ssize_t amdgpu_get_pcie_bw(struct device *dev,
1641                 struct device_attribute *attr,
1642                 char *buf)
1643 {
1644         struct drm_device *ddev = dev_get_drvdata(dev);
1645         struct amdgpu_device *adev = drm_to_adev(ddev);
1646         uint64_t count0 = 0, count1 = 0;
1647         int ret;
1648
1649         if (amdgpu_in_reset(adev))
1650                 return -EPERM;
1651         if (adev->in_suspend && !adev->in_runpm)
1652                 return -EPERM;
1653
1654         if (adev->flags & AMD_IS_APU)
1655                 return -ENODATA;
1656
1657         if (!adev->asic_funcs->get_pcie_usage)
1658                 return -ENODATA;
1659
1660         ret = pm_runtime_get_sync(ddev->dev);
1661         if (ret < 0) {
1662                 pm_runtime_put_autosuspend(ddev->dev);
1663                 return ret;
1664         }
1665
1666         amdgpu_asic_get_pcie_usage(adev, &count0, &count1);
1667
1668         pm_runtime_mark_last_busy(ddev->dev);
1669         pm_runtime_put_autosuspend(ddev->dev);
1670
1671         return sysfs_emit(buf, "%llu %llu %i\n",
1672                           count0, count1, pcie_get_mps(adev->pdev));
1673 }
1674
1675 /**
1676  * DOC: unique_id
1677  *
1678  * The amdgpu driver provides a sysfs API for providing a unique ID for the GPU
1679  * The file unique_id is used for this.
1680  * This will provide a Unique ID that will persist from machine to machine
1681  *
1682  * NOTE: This will only work for GFX9 and newer. This file will be absent
1683  * on unsupported ASICs (GFX8 and older)
1684  */
1685 static ssize_t amdgpu_get_unique_id(struct device *dev,
1686                 struct device_attribute *attr,
1687                 char *buf)
1688 {
1689         struct drm_device *ddev = dev_get_drvdata(dev);
1690         struct amdgpu_device *adev = drm_to_adev(ddev);
1691
1692         if (amdgpu_in_reset(adev))
1693                 return -EPERM;
1694         if (adev->in_suspend && !adev->in_runpm)
1695                 return -EPERM;
1696
1697         if (adev->unique_id)
1698                 return sysfs_emit(buf, "%016llx\n", adev->unique_id);
1699
1700         return 0;
1701 }
1702
1703 /**
1704  * DOC: thermal_throttling_logging
1705  *
1706  * Thermal throttling pulls down the clock frequency and thus the performance.
1707  * It's an useful mechanism to protect the chip from overheating. Since it
1708  * impacts performance, the user controls whether it is enabled and if so,
1709  * the log frequency.
1710  *
1711  * Reading back the file shows you the status(enabled or disabled) and
1712  * the interval(in seconds) between each thermal logging.
1713  *
1714  * Writing an integer to the file, sets a new logging interval, in seconds.
1715  * The value should be between 1 and 3600. If the value is less than 1,
1716  * thermal logging is disabled. Values greater than 3600 are ignored.
1717  */
1718 static ssize_t amdgpu_get_thermal_throttling_logging(struct device *dev,
1719                                                      struct device_attribute *attr,
1720                                                      char *buf)
1721 {
1722         struct drm_device *ddev = dev_get_drvdata(dev);
1723         struct amdgpu_device *adev = drm_to_adev(ddev);
1724
1725         return sysfs_emit(buf, "%s: thermal throttling logging %s, with interval %d seconds\n",
1726                           adev_to_drm(adev)->unique,
1727                           atomic_read(&adev->throttling_logging_enabled) ? "enabled" : "disabled",
1728                           adev->throttling_logging_rs.interval / HZ + 1);
1729 }
1730
1731 static ssize_t amdgpu_set_thermal_throttling_logging(struct device *dev,
1732                                                      struct device_attribute *attr,
1733                                                      const char *buf,
1734                                                      size_t count)
1735 {
1736         struct drm_device *ddev = dev_get_drvdata(dev);
1737         struct amdgpu_device *adev = drm_to_adev(ddev);
1738         long throttling_logging_interval;
1739         unsigned long flags;
1740         int ret = 0;
1741
1742         ret = kstrtol(buf, 0, &throttling_logging_interval);
1743         if (ret)
1744                 return ret;
1745
1746         if (throttling_logging_interval > 3600)
1747                 return -EINVAL;
1748
1749         if (throttling_logging_interval > 0) {
1750                 raw_spin_lock_irqsave(&adev->throttling_logging_rs.lock, flags);
1751                 /*
1752                  * Reset the ratelimit timer internals.
1753                  * This can effectively restart the timer.
1754                  */
1755                 adev->throttling_logging_rs.interval =
1756                         (throttling_logging_interval - 1) * HZ;
1757                 adev->throttling_logging_rs.begin = 0;
1758                 adev->throttling_logging_rs.printed = 0;
1759                 adev->throttling_logging_rs.missed = 0;
1760                 raw_spin_unlock_irqrestore(&adev->throttling_logging_rs.lock, flags);
1761
1762                 atomic_set(&adev->throttling_logging_enabled, 1);
1763         } else {
1764                 atomic_set(&adev->throttling_logging_enabled, 0);
1765         }
1766
1767         return count;
1768 }
1769
1770 /**
1771  * DOC: gpu_metrics
1772  *
1773  * The amdgpu driver provides a sysfs API for retrieving current gpu
1774  * metrics data. The file gpu_metrics is used for this. Reading the
1775  * file will dump all the current gpu metrics data.
1776  *
1777  * These data include temperature, frequency, engines utilization,
1778  * power consume, throttler status, fan speed and cpu core statistics(
1779  * available for APU only). That's it will give a snapshot of all sensors
1780  * at the same time.
1781  */
1782 static ssize_t amdgpu_get_gpu_metrics(struct device *dev,
1783                                       struct device_attribute *attr,
1784                                       char *buf)
1785 {
1786         struct drm_device *ddev = dev_get_drvdata(dev);
1787         struct amdgpu_device *adev = drm_to_adev(ddev);
1788         void *gpu_metrics;
1789         ssize_t size = 0;
1790         int ret;
1791
1792         if (amdgpu_in_reset(adev))
1793                 return -EPERM;
1794         if (adev->in_suspend && !adev->in_runpm)
1795                 return -EPERM;
1796
1797         ret = pm_runtime_get_sync(ddev->dev);
1798         if (ret < 0) {
1799                 pm_runtime_put_autosuspend(ddev->dev);
1800                 return ret;
1801         }
1802
1803         if (adev->powerplay.pp_funcs->get_gpu_metrics)
1804                 size = amdgpu_dpm_get_gpu_metrics(adev, &gpu_metrics);
1805
1806         if (size <= 0)
1807                 goto out;
1808
1809         if (size >= PAGE_SIZE)
1810                 size = PAGE_SIZE - 1;
1811
1812         memcpy(buf, gpu_metrics, size);
1813
1814 out:
1815         pm_runtime_mark_last_busy(ddev->dev);
1816         pm_runtime_put_autosuspend(ddev->dev);
1817
1818         return size;
1819 }
1820
1821 /**
1822  * DOC: smartshift_apu_power
1823  *
1824  * The amdgpu driver provides a sysfs API for reporting APU power
1825  * share if it supports smartshift. The value is expressed as
1826  * the proportion of stapm limit where stapm limit is the total APU
1827  * power limit. The result is in percentage. If APU power is 130% of
1828  * STAPM, then APU is using 30% of the dGPU's headroom.
1829  */
1830
1831 static ssize_t amdgpu_get_smartshift_apu_power(struct device *dev, struct device_attribute *attr,
1832                                                char *buf)
1833 {
1834         struct drm_device *ddev = dev_get_drvdata(dev);
1835         struct amdgpu_device *adev = drm_to_adev(ddev);
1836         uint32_t ss_power, size;
1837         int r = 0;
1838
1839         if (amdgpu_in_reset(adev))
1840                 return -EPERM;
1841         if (adev->in_suspend && !adev->in_runpm)
1842                 return -EPERM;
1843
1844         r = pm_runtime_get_sync(ddev->dev);
1845         if (r < 0) {
1846                 pm_runtime_put_autosuspend(ddev->dev);
1847                 return r;
1848         }
1849
1850         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
1851                                    (void *)&ss_power, &size);
1852         if (r)
1853                 goto out;
1854
1855         r = sysfs_emit(buf, "%u%%\n", ss_power);
1856
1857 out:
1858         pm_runtime_mark_last_busy(ddev->dev);
1859         pm_runtime_put_autosuspend(ddev->dev);
1860         return r;
1861 }
1862
1863 /**
1864  * DOC: smartshift_dgpu_power
1865  *
1866  * The amdgpu driver provides a sysfs API for reporting the dGPU power
1867  * share if the device is in HG and supports smartshift. The value
1868  * is expressed as the proportion of stapm limit where stapm limit
1869  * is the total APU power limit. The value is in percentage. If dGPU
1870  * power is 20% higher than STAPM power(120%), it's using 20% of the
1871  * APU's power headroom.
1872  */
1873
1874 static ssize_t amdgpu_get_smartshift_dgpu_power(struct device *dev, struct device_attribute *attr,
1875                                                 char *buf)
1876 {
1877         struct drm_device *ddev = dev_get_drvdata(dev);
1878         struct amdgpu_device *adev = drm_to_adev(ddev);
1879         uint32_t ss_power, size;
1880         int r = 0;
1881
1882         if (amdgpu_in_reset(adev))
1883                 return -EPERM;
1884         if (adev->in_suspend && !adev->in_runpm)
1885                 return -EPERM;
1886
1887         r = pm_runtime_get_sync(ddev->dev);
1888         if (r < 0) {
1889                 pm_runtime_put_autosuspend(ddev->dev);
1890                 return r;
1891         }
1892
1893         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
1894                                    (void *)&ss_power, &size);
1895
1896         if (r)
1897                 goto out;
1898
1899         r = sysfs_emit(buf, "%u%%\n", ss_power);
1900
1901 out:
1902         pm_runtime_mark_last_busy(ddev->dev);
1903         pm_runtime_put_autosuspend(ddev->dev);
1904         return r;
1905 }
1906
1907 /**
1908  * DOC: smartshift_bias
1909  *
1910  * The amdgpu driver provides a sysfs API for reporting the
1911  * smartshift(SS2.0) bias level. The value ranges from -100 to 100
1912  * and the default is 0. -100 sets maximum preference to APU
1913  * and 100 sets max perference to dGPU.
1914  */
1915
1916 static ssize_t amdgpu_get_smartshift_bias(struct device *dev,
1917                                           struct device_attribute *attr,
1918                                           char *buf)
1919 {
1920         int r = 0;
1921
1922         r = sysfs_emit(buf, "%d\n", amdgpu_smartshift_bias);
1923
1924         return r;
1925 }
1926
1927 static ssize_t amdgpu_set_smartshift_bias(struct device *dev,
1928                                           struct device_attribute *attr,
1929                                           const char *buf, size_t count)
1930 {
1931         struct drm_device *ddev = dev_get_drvdata(dev);
1932         struct amdgpu_device *adev = drm_to_adev(ddev);
1933         int r = 0;
1934         int bias = 0;
1935
1936         if (amdgpu_in_reset(adev))
1937                 return -EPERM;
1938         if (adev->in_suspend && !adev->in_runpm)
1939                 return -EPERM;
1940
1941         r = pm_runtime_get_sync(ddev->dev);
1942         if (r < 0) {
1943                 pm_runtime_put_autosuspend(ddev->dev);
1944                 return r;
1945         }
1946
1947         r = kstrtoint(buf, 10, &bias);
1948         if (r)
1949                 goto out;
1950
1951         if (bias > AMDGPU_SMARTSHIFT_MAX_BIAS)
1952                 bias = AMDGPU_SMARTSHIFT_MAX_BIAS;
1953         else if (bias < AMDGPU_SMARTSHIFT_MIN_BIAS)
1954                 bias = AMDGPU_SMARTSHIFT_MIN_BIAS;
1955
1956         amdgpu_smartshift_bias = bias;
1957         r = count;
1958
1959         /* TODO: upadte bias level with SMU message */
1960
1961 out:
1962         pm_runtime_mark_last_busy(ddev->dev);
1963         pm_runtime_put_autosuspend(ddev->dev);
1964         return r;
1965 }
1966
1967
1968 static int ss_power_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
1969                                 uint32_t mask, enum amdgpu_device_attr_states *states)
1970 {
1971         uint32_t ss_power, size;
1972
1973         if (!amdgpu_acpi_is_power_shift_control_supported())
1974                 *states = ATTR_STATE_UNSUPPORTED;
1975         else if ((adev->flags & AMD_IS_PX) &&
1976                  !amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
1977                 *states = ATTR_STATE_UNSUPPORTED;
1978         else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
1979                  (void *)&ss_power, &size))
1980                 *states = ATTR_STATE_UNSUPPORTED;
1981         else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
1982                  (void *)&ss_power, &size))
1983                 *states = ATTR_STATE_UNSUPPORTED;
1984
1985         return 0;
1986 }
1987
1988 static int ss_bias_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
1989                                uint32_t mask, enum amdgpu_device_attr_states *states)
1990 {
1991         uint32_t ss_power, size;
1992
1993         if (!amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
1994                 *states = ATTR_STATE_UNSUPPORTED;
1995         else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
1996                  (void *)&ss_power, &size))
1997                 *states = ATTR_STATE_UNSUPPORTED;
1998         else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
1999                  (void *)&ss_power, &size))
2000                 *states = ATTR_STATE_UNSUPPORTED;
2001
2002         return 0;
2003 }
2004
2005 static struct amdgpu_device_attr amdgpu_device_attrs[] = {
2006         AMDGPU_DEVICE_ATTR_RW(power_dpm_state,                          ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2007         AMDGPU_DEVICE_ATTR_RW(power_dpm_force_performance_level,        ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2008         AMDGPU_DEVICE_ATTR_RO(pp_num_states,                            ATTR_FLAG_BASIC),
2009         AMDGPU_DEVICE_ATTR_RO(pp_cur_state,                             ATTR_FLAG_BASIC),
2010         AMDGPU_DEVICE_ATTR_RW(pp_force_state,                           ATTR_FLAG_BASIC),
2011         AMDGPU_DEVICE_ATTR_RW(pp_table,                                 ATTR_FLAG_BASIC),
2012         AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2013         AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2014         AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk,                            ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2015         AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2016         AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2017         AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2018         AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk,                           ATTR_FLAG_BASIC),
2019         AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie,                              ATTR_FLAG_BASIC),
2020         AMDGPU_DEVICE_ATTR_RW(pp_sclk_od,                               ATTR_FLAG_BASIC),
2021         AMDGPU_DEVICE_ATTR_RW(pp_mclk_od,                               ATTR_FLAG_BASIC),
2022         AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode,                    ATTR_FLAG_BASIC),
2023         AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage,                        ATTR_FLAG_BASIC),
2024         AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent,                         ATTR_FLAG_BASIC),
2025         AMDGPU_DEVICE_ATTR_RO(mem_busy_percent,                         ATTR_FLAG_BASIC),
2026         AMDGPU_DEVICE_ATTR_RO(pcie_bw,                                  ATTR_FLAG_BASIC),
2027         AMDGPU_DEVICE_ATTR_RW(pp_features,                              ATTR_FLAG_BASIC),
2028         AMDGPU_DEVICE_ATTR_RO(unique_id,                                ATTR_FLAG_BASIC),
2029         AMDGPU_DEVICE_ATTR_RW(thermal_throttling_logging,               ATTR_FLAG_BASIC),
2030         AMDGPU_DEVICE_ATTR_RO(gpu_metrics,                              ATTR_FLAG_BASIC),
2031         AMDGPU_DEVICE_ATTR_RO(smartshift_apu_power,                     ATTR_FLAG_BASIC,
2032                               .attr_update = ss_power_attr_update),
2033         AMDGPU_DEVICE_ATTR_RO(smartshift_dgpu_power,                    ATTR_FLAG_BASIC,
2034                               .attr_update = ss_power_attr_update),
2035         AMDGPU_DEVICE_ATTR_RW(smartshift_bias,                          ATTR_FLAG_BASIC,
2036                               .attr_update = ss_bias_attr_update),
2037 };
2038
2039 static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
2040                                uint32_t mask, enum amdgpu_device_attr_states *states)
2041 {
2042         struct device_attribute *dev_attr = &attr->dev_attr;
2043         const char *attr_name = dev_attr->attr.name;
2044         struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
2045         enum amd_asic_type asic_type = adev->asic_type;
2046
2047         if (!(attr->flags & mask)) {
2048                 *states = ATTR_STATE_UNSUPPORTED;
2049                 return 0;
2050         }
2051
2052 #define DEVICE_ATTR_IS(_name)   (!strcmp(attr_name, #_name))
2053
2054         if (DEVICE_ATTR_IS(pp_dpm_socclk)) {
2055                 if (asic_type < CHIP_VEGA10)
2056                         *states = ATTR_STATE_UNSUPPORTED;
2057         } else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
2058                 if (asic_type < CHIP_VEGA10 ||
2059                     asic_type == CHIP_ARCTURUS ||
2060                     asic_type == CHIP_ALDEBARAN)
2061                         *states = ATTR_STATE_UNSUPPORTED;
2062         } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
2063                 if (asic_type < CHIP_VEGA20)
2064                         *states = ATTR_STATE_UNSUPPORTED;
2065         } else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
2066                 *states = ATTR_STATE_UNSUPPORTED;
2067                 if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
2068                     (is_support_sw_smu(adev) && adev->smu.is_apu) ||
2069                         (!is_support_sw_smu(adev) && hwmgr->od_enabled))
2070                         *states = ATTR_STATE_SUPPORTED;
2071         } else if (DEVICE_ATTR_IS(mem_busy_percent)) {
2072                 if (adev->flags & AMD_IS_APU || asic_type == CHIP_VEGA10)
2073                         *states = ATTR_STATE_UNSUPPORTED;
2074         } else if (DEVICE_ATTR_IS(pcie_bw)) {
2075                 /* PCIe Perf counters won't work on APU nodes */
2076                 if (adev->flags & AMD_IS_APU)
2077                         *states = ATTR_STATE_UNSUPPORTED;
2078         } else if (DEVICE_ATTR_IS(unique_id)) {
2079                 if (asic_type != CHIP_VEGA10 &&
2080                     asic_type != CHIP_VEGA20 &&
2081                     asic_type != CHIP_ARCTURUS)
2082                         *states = ATTR_STATE_UNSUPPORTED;
2083         } else if (DEVICE_ATTR_IS(pp_features)) {
2084                 if (adev->flags & AMD_IS_APU || asic_type < CHIP_VEGA10)
2085                         *states = ATTR_STATE_UNSUPPORTED;
2086         } else if (DEVICE_ATTR_IS(gpu_metrics)) {
2087                 if (asic_type < CHIP_VEGA12)
2088                         *states = ATTR_STATE_UNSUPPORTED;
2089         } else if (DEVICE_ATTR_IS(pp_dpm_vclk)) {
2090                 if (!(asic_type == CHIP_VANGOGH))
2091                         *states = ATTR_STATE_UNSUPPORTED;
2092         } else if (DEVICE_ATTR_IS(pp_dpm_dclk)) {
2093                 if (!(asic_type == CHIP_VANGOGH))
2094                         *states = ATTR_STATE_UNSUPPORTED;
2095         }
2096
2097         if (asic_type == CHIP_ARCTURUS) {
2098                 /* Arcturus does not support standalone mclk/socclk/fclk level setting */
2099                 if (DEVICE_ATTR_IS(pp_dpm_mclk) ||
2100                     DEVICE_ATTR_IS(pp_dpm_socclk) ||
2101                     DEVICE_ATTR_IS(pp_dpm_fclk)) {
2102                         dev_attr->attr.mode &= ~S_IWUGO;
2103                         dev_attr->store = NULL;
2104                 }
2105         }
2106
2107         if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
2108                 /* SMU MP1 does not support dcefclk level setting */
2109                 if (asic_type >= CHIP_NAVI10) {
2110                         dev_attr->attr.mode &= ~S_IWUGO;
2111                         dev_attr->store = NULL;
2112                 }
2113         }
2114
2115 #undef DEVICE_ATTR_IS
2116
2117         return 0;
2118 }
2119
2120
2121 static int amdgpu_device_attr_create(struct amdgpu_device *adev,
2122                                      struct amdgpu_device_attr *attr,
2123                                      uint32_t mask, struct list_head *attr_list)
2124 {
2125         int ret = 0;
2126         struct device_attribute *dev_attr = &attr->dev_attr;
2127         const char *name = dev_attr->attr.name;
2128         enum amdgpu_device_attr_states attr_states = ATTR_STATE_SUPPORTED;
2129         struct amdgpu_device_attr_entry *attr_entry;
2130
2131         int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
2132                            uint32_t mask, enum amdgpu_device_attr_states *states) = default_attr_update;
2133
2134         BUG_ON(!attr);
2135
2136         attr_update = attr->attr_update ? attr->attr_update : default_attr_update;
2137
2138         ret = attr_update(adev, attr, mask, &attr_states);
2139         if (ret) {
2140                 dev_err(adev->dev, "failed to update device file %s, ret = %d\n",
2141                         name, ret);
2142                 return ret;
2143         }
2144
2145         if (attr_states == ATTR_STATE_UNSUPPORTED)
2146                 return 0;
2147
2148         ret = device_create_file(adev->dev, dev_attr);
2149         if (ret) {
2150                 dev_err(adev->dev, "failed to create device file %s, ret = %d\n",
2151                         name, ret);
2152         }
2153
2154         attr_entry = kmalloc(sizeof(*attr_entry), GFP_KERNEL);
2155         if (!attr_entry)
2156                 return -ENOMEM;
2157
2158         attr_entry->attr = attr;
2159         INIT_LIST_HEAD(&attr_entry->entry);
2160
2161         list_add_tail(&attr_entry->entry, attr_list);
2162
2163         return ret;
2164 }
2165
2166 static void amdgpu_device_attr_remove(struct amdgpu_device *adev, struct amdgpu_device_attr *attr)
2167 {
2168         struct device_attribute *dev_attr = &attr->dev_attr;
2169
2170         device_remove_file(adev->dev, dev_attr);
2171 }
2172
2173 static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
2174                                              struct list_head *attr_list);
2175
2176 static int amdgpu_device_attr_create_groups(struct amdgpu_device *adev,
2177                                             struct amdgpu_device_attr *attrs,
2178                                             uint32_t counts,
2179                                             uint32_t mask,
2180                                             struct list_head *attr_list)
2181 {
2182         int ret = 0;
2183         uint32_t i = 0;
2184
2185         for (i = 0; i < counts; i++) {
2186                 ret = amdgpu_device_attr_create(adev, &attrs[i], mask, attr_list);
2187                 if (ret)
2188                         goto failed;
2189         }
2190
2191         return 0;
2192
2193 failed:
2194         amdgpu_device_attr_remove_groups(adev, attr_list);
2195
2196         return ret;
2197 }
2198
2199 static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
2200                                              struct list_head *attr_list)
2201 {
2202         struct amdgpu_device_attr_entry *entry, *entry_tmp;
2203
2204         if (list_empty(attr_list))
2205                 return ;
2206
2207         list_for_each_entry_safe(entry, entry_tmp, attr_list, entry) {
2208                 amdgpu_device_attr_remove(adev, entry->attr);
2209                 list_del(&entry->entry);
2210                 kfree(entry);
2211         }
2212 }
2213
2214 static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
2215                                       struct device_attribute *attr,
2216                                       char *buf)
2217 {
2218         struct amdgpu_device *adev = dev_get_drvdata(dev);
2219         int channel = to_sensor_dev_attr(attr)->index;
2220         int r, temp = 0, size = sizeof(temp);
2221
2222         if (amdgpu_in_reset(adev))
2223                 return -EPERM;
2224         if (adev->in_suspend && !adev->in_runpm)
2225                 return -EPERM;
2226
2227         if (channel >= PP_TEMP_MAX)
2228                 return -EINVAL;
2229
2230         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2231         if (r < 0) {
2232                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2233                 return r;
2234         }
2235
2236         switch (channel) {
2237         case PP_TEMP_JUNCTION:
2238                 /* get current junction temperature */
2239                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
2240                                            (void *)&temp, &size);
2241                 break;
2242         case PP_TEMP_EDGE:
2243                 /* get current edge temperature */
2244                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
2245                                            (void *)&temp, &size);
2246                 break;
2247         case PP_TEMP_MEM:
2248                 /* get current memory temperature */
2249                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
2250                                            (void *)&temp, &size);
2251                 break;
2252         default:
2253                 r = -EINVAL;
2254                 break;
2255         }
2256
2257         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2258         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2259
2260         if (r)
2261                 return r;
2262
2263         return sysfs_emit(buf, "%d\n", temp);
2264 }
2265
2266 static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev,
2267                                              struct device_attribute *attr,
2268                                              char *buf)
2269 {
2270         struct amdgpu_device *adev = dev_get_drvdata(dev);
2271         int hyst = to_sensor_dev_attr(attr)->index;
2272         int temp;
2273
2274         if (hyst)
2275                 temp = adev->pm.dpm.thermal.min_temp;
2276         else
2277                 temp = adev->pm.dpm.thermal.max_temp;
2278
2279         return sysfs_emit(buf, "%d\n", temp);
2280 }
2281
2282 static ssize_t amdgpu_hwmon_show_hotspot_temp_thresh(struct device *dev,
2283                                              struct device_attribute *attr,
2284                                              char *buf)
2285 {
2286         struct amdgpu_device *adev = dev_get_drvdata(dev);
2287         int hyst = to_sensor_dev_attr(attr)->index;
2288         int temp;
2289
2290         if (hyst)
2291                 temp = adev->pm.dpm.thermal.min_hotspot_temp;
2292         else
2293                 temp = adev->pm.dpm.thermal.max_hotspot_crit_temp;
2294
2295         return sysfs_emit(buf, "%d\n", temp);
2296 }
2297
2298 static ssize_t amdgpu_hwmon_show_mem_temp_thresh(struct device *dev,
2299                                              struct device_attribute *attr,
2300                                              char *buf)
2301 {
2302         struct amdgpu_device *adev = dev_get_drvdata(dev);
2303         int hyst = to_sensor_dev_attr(attr)->index;
2304         int temp;
2305
2306         if (hyst)
2307                 temp = adev->pm.dpm.thermal.min_mem_temp;
2308         else
2309                 temp = adev->pm.dpm.thermal.max_mem_crit_temp;
2310
2311         return sysfs_emit(buf, "%d\n", temp);
2312 }
2313
2314 static ssize_t amdgpu_hwmon_show_temp_label(struct device *dev,
2315                                              struct device_attribute *attr,
2316                                              char *buf)
2317 {
2318         int channel = to_sensor_dev_attr(attr)->index;
2319
2320         if (channel >= PP_TEMP_MAX)
2321                 return -EINVAL;
2322
2323         return sysfs_emit(buf, "%s\n", temp_label[channel].label);
2324 }
2325
2326 static ssize_t amdgpu_hwmon_show_temp_emergency(struct device *dev,
2327                                              struct device_attribute *attr,
2328                                              char *buf)
2329 {
2330         struct amdgpu_device *adev = dev_get_drvdata(dev);
2331         int channel = to_sensor_dev_attr(attr)->index;
2332         int temp = 0;
2333
2334         if (channel >= PP_TEMP_MAX)
2335                 return -EINVAL;
2336
2337         switch (channel) {
2338         case PP_TEMP_JUNCTION:
2339                 temp = adev->pm.dpm.thermal.max_hotspot_emergency_temp;
2340                 break;
2341         case PP_TEMP_EDGE:
2342                 temp = adev->pm.dpm.thermal.max_edge_emergency_temp;
2343                 break;
2344         case PP_TEMP_MEM:
2345                 temp = adev->pm.dpm.thermal.max_mem_emergency_temp;
2346                 break;
2347         }
2348
2349         return sysfs_emit(buf, "%d\n", temp);
2350 }
2351
2352 static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
2353                                             struct device_attribute *attr,
2354                                             char *buf)
2355 {
2356         struct amdgpu_device *adev = dev_get_drvdata(dev);
2357         u32 pwm_mode = 0;
2358         int ret;
2359
2360         if (amdgpu_in_reset(adev))
2361                 return -EPERM;
2362         if (adev->in_suspend && !adev->in_runpm)
2363                 return -EPERM;
2364
2365         ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2366         if (ret < 0) {
2367                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2368                 return ret;
2369         }
2370
2371         if (!adev->powerplay.pp_funcs->get_fan_control_mode) {
2372                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2373                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2374                 return -EINVAL;
2375         }
2376
2377         pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2378
2379         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2380         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2381
2382         return sprintf(buf, "%u\n", pwm_mode);
2383 }
2384
2385 static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
2386                                             struct device_attribute *attr,
2387                                             const char *buf,
2388                                             size_t count)
2389 {
2390         struct amdgpu_device *adev = dev_get_drvdata(dev);
2391         int err, ret;
2392         int value;
2393
2394         if (amdgpu_in_reset(adev))
2395                 return -EPERM;
2396         if (adev->in_suspend && !adev->in_runpm)
2397                 return -EPERM;
2398
2399         err = kstrtoint(buf, 10, &value);
2400         if (err)
2401                 return err;
2402
2403         ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2404         if (ret < 0) {
2405                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2406                 return ret;
2407         }
2408
2409         if (!adev->powerplay.pp_funcs->set_fan_control_mode) {
2410                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2411                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2412                 return -EINVAL;
2413         }
2414
2415         amdgpu_dpm_set_fan_control_mode(adev, value);
2416
2417         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2418         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2419
2420         return count;
2421 }
2422
2423 static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev,
2424                                          struct device_attribute *attr,
2425                                          char *buf)
2426 {
2427         return sprintf(buf, "%i\n", 0);
2428 }
2429
2430 static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev,
2431                                          struct device_attribute *attr,
2432                                          char *buf)
2433 {
2434         return sprintf(buf, "%i\n", 255);
2435 }
2436
2437 static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
2438                                      struct device_attribute *attr,
2439                                      const char *buf, size_t count)
2440 {
2441         struct amdgpu_device *adev = dev_get_drvdata(dev);
2442         int err;
2443         u32 value;
2444         u32 pwm_mode;
2445
2446         if (amdgpu_in_reset(adev))
2447                 return -EPERM;
2448         if (adev->in_suspend && !adev->in_runpm)
2449                 return -EPERM;
2450
2451         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2452         if (err < 0) {
2453                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2454                 return err;
2455         }
2456
2457         pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2458         if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2459                 pr_info("manual fan speed control should be enabled first\n");
2460                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2461                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2462                 return -EINVAL;
2463         }
2464
2465         err = kstrtou32(buf, 10, &value);
2466         if (err) {
2467                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2468                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2469                 return err;
2470         }
2471
2472         value = (value * 100) / 255;
2473
2474         if (adev->powerplay.pp_funcs->set_fan_speed_percent)
2475                 err = amdgpu_dpm_set_fan_speed_percent(adev, value);
2476         else
2477                 err = -EINVAL;
2478
2479         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2480         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2481
2482         if (err)
2483                 return err;
2484
2485         return count;
2486 }
2487
2488 static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
2489                                      struct device_attribute *attr,
2490                                      char *buf)
2491 {
2492         struct amdgpu_device *adev = dev_get_drvdata(dev);
2493         int err;
2494         u32 speed = 0;
2495
2496         if (amdgpu_in_reset(adev))
2497                 return -EPERM;
2498         if (adev->in_suspend && !adev->in_runpm)
2499                 return -EPERM;
2500
2501         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2502         if (err < 0) {
2503                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2504                 return err;
2505         }
2506
2507         if (adev->powerplay.pp_funcs->get_fan_speed_percent)
2508                 err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);
2509         else
2510                 err = -EINVAL;
2511
2512         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2513         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2514
2515         if (err)
2516                 return err;
2517
2518         speed = (speed * 255) / 100;
2519
2520         return sprintf(buf, "%i\n", speed);
2521 }
2522
2523 static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
2524                                            struct device_attribute *attr,
2525                                            char *buf)
2526 {
2527         struct amdgpu_device *adev = dev_get_drvdata(dev);
2528         int err;
2529         u32 speed = 0;
2530
2531         if (amdgpu_in_reset(adev))
2532                 return -EPERM;
2533         if (adev->in_suspend && !adev->in_runpm)
2534                 return -EPERM;
2535
2536         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2537         if (err < 0) {
2538                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2539                 return err;
2540         }
2541
2542         if (adev->powerplay.pp_funcs->get_fan_speed_rpm)
2543                 err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed);
2544         else
2545                 err = -EINVAL;
2546
2547         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2548         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2549
2550         if (err)
2551                 return err;
2552
2553         return sprintf(buf, "%i\n", speed);
2554 }
2555
2556 static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
2557                                          struct device_attribute *attr,
2558                                          char *buf)
2559 {
2560         struct amdgpu_device *adev = dev_get_drvdata(dev);
2561         u32 min_rpm = 0;
2562         u32 size = sizeof(min_rpm);
2563         int r;
2564
2565         if (amdgpu_in_reset(adev))
2566                 return -EPERM;
2567         if (adev->in_suspend && !adev->in_runpm)
2568                 return -EPERM;
2569
2570         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2571         if (r < 0) {
2572                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2573                 return r;
2574         }
2575
2576         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
2577                                    (void *)&min_rpm, &size);
2578
2579         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2580         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2581
2582         if (r)
2583                 return r;
2584
2585         return sysfs_emit(buf, "%d\n", min_rpm);
2586 }
2587
2588 static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
2589                                          struct device_attribute *attr,
2590                                          char *buf)
2591 {
2592         struct amdgpu_device *adev = dev_get_drvdata(dev);
2593         u32 max_rpm = 0;
2594         u32 size = sizeof(max_rpm);
2595         int r;
2596
2597         if (amdgpu_in_reset(adev))
2598                 return -EPERM;
2599         if (adev->in_suspend && !adev->in_runpm)
2600                 return -EPERM;
2601
2602         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2603         if (r < 0) {
2604                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2605                 return r;
2606         }
2607
2608         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
2609                                    (void *)&max_rpm, &size);
2610
2611         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2612         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2613
2614         if (r)
2615                 return r;
2616
2617         return sysfs_emit(buf, "%d\n", max_rpm);
2618 }
2619
2620 static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
2621                                            struct device_attribute *attr,
2622                                            char *buf)
2623 {
2624         struct amdgpu_device *adev = dev_get_drvdata(dev);
2625         int err;
2626         u32 rpm = 0;
2627
2628         if (amdgpu_in_reset(adev))
2629                 return -EPERM;
2630         if (adev->in_suspend && !adev->in_runpm)
2631                 return -EPERM;
2632
2633         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2634         if (err < 0) {
2635                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2636                 return err;
2637         }
2638
2639         if (adev->powerplay.pp_funcs->get_fan_speed_rpm)
2640                 err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
2641         else
2642                 err = -EINVAL;
2643
2644         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2645         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2646
2647         if (err)
2648                 return err;
2649
2650         return sprintf(buf, "%i\n", rpm);
2651 }
2652
2653 static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
2654                                      struct device_attribute *attr,
2655                                      const char *buf, size_t count)
2656 {
2657         struct amdgpu_device *adev = dev_get_drvdata(dev);
2658         int err;
2659         u32 value;
2660         u32 pwm_mode;
2661
2662         if (amdgpu_in_reset(adev))
2663                 return -EPERM;
2664         if (adev->in_suspend && !adev->in_runpm)
2665                 return -EPERM;
2666
2667         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2668         if (err < 0) {
2669                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2670                 return err;
2671         }
2672
2673         pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2674
2675         if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2676                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2677                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2678                 return -ENODATA;
2679         }
2680
2681         err = kstrtou32(buf, 10, &value);
2682         if (err) {
2683                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2684                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2685                 return err;
2686         }
2687
2688         if (adev->powerplay.pp_funcs->set_fan_speed_rpm)
2689                 err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
2690         else
2691                 err = -EINVAL;
2692
2693         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2694         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2695
2696         if (err)
2697                 return err;
2698
2699         return count;
2700 }
2701
2702 static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
2703                                             struct device_attribute *attr,
2704                                             char *buf)
2705 {
2706         struct amdgpu_device *adev = dev_get_drvdata(dev);
2707         u32 pwm_mode = 0;
2708         int ret;
2709
2710         if (amdgpu_in_reset(adev))
2711                 return -EPERM;
2712         if (adev->in_suspend && !adev->in_runpm)
2713                 return -EPERM;
2714
2715         ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2716         if (ret < 0) {
2717                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2718                 return ret;
2719         }
2720
2721         if (!adev->powerplay.pp_funcs->get_fan_control_mode) {
2722                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2723                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2724                 return -EINVAL;
2725         }
2726
2727         pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2728
2729         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2730         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2731
2732         return sprintf(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
2733 }
2734
2735 static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
2736                                             struct device_attribute *attr,
2737                                             const char *buf,
2738                                             size_t count)
2739 {
2740         struct amdgpu_device *adev = dev_get_drvdata(dev);
2741         int err;
2742         int value;
2743         u32 pwm_mode;
2744
2745         if (amdgpu_in_reset(adev))
2746                 return -EPERM;
2747         if (adev->in_suspend && !adev->in_runpm)
2748                 return -EPERM;
2749
2750         err = kstrtoint(buf, 10, &value);
2751         if (err)
2752                 return err;
2753
2754         if (value == 0)
2755                 pwm_mode = AMD_FAN_CTRL_AUTO;
2756         else if (value == 1)
2757                 pwm_mode = AMD_FAN_CTRL_MANUAL;
2758         else
2759                 return -EINVAL;
2760
2761         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2762         if (err < 0) {
2763                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2764                 return err;
2765         }
2766
2767         if (!adev->powerplay.pp_funcs->set_fan_control_mode) {
2768                 pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2769                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2770                 return -EINVAL;
2771         }
2772         amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
2773
2774         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2775         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2776
2777         return count;
2778 }
2779
2780 static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
2781                                         struct device_attribute *attr,
2782                                         char *buf)
2783 {
2784         struct amdgpu_device *adev = dev_get_drvdata(dev);
2785         u32 vddgfx;
2786         int r, size = sizeof(vddgfx);
2787
2788         if (amdgpu_in_reset(adev))
2789                 return -EPERM;
2790         if (adev->in_suspend && !adev->in_runpm)
2791                 return -EPERM;
2792
2793         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2794         if (r < 0) {
2795                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2796                 return r;
2797         }
2798
2799         /* get the voltage */
2800         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX,
2801                                    (void *)&vddgfx, &size);
2802
2803         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2804         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2805
2806         if (r)
2807                 return r;
2808
2809         return sysfs_emit(buf, "%d\n", vddgfx);
2810 }
2811
2812 static ssize_t amdgpu_hwmon_show_vddgfx_label(struct device *dev,
2813                                               struct device_attribute *attr,
2814                                               char *buf)
2815 {
2816         return sysfs_emit(buf, "vddgfx\n");
2817 }
2818
2819 static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
2820                                        struct device_attribute *attr,
2821                                        char *buf)
2822 {
2823         struct amdgpu_device *adev = dev_get_drvdata(dev);
2824         u32 vddnb;
2825         int r, size = sizeof(vddnb);
2826
2827         if (amdgpu_in_reset(adev))
2828                 return -EPERM;
2829         if (adev->in_suspend && !adev->in_runpm)
2830                 return -EPERM;
2831
2832         /* only APUs have vddnb */
2833         if  (!(adev->flags & AMD_IS_APU))
2834                 return -EINVAL;
2835
2836         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2837         if (r < 0) {
2838                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2839                 return r;
2840         }
2841
2842         /* get the voltage */
2843         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB,
2844                                    (void *)&vddnb, &size);
2845
2846         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2847         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2848
2849         if (r)
2850                 return r;
2851
2852         return sysfs_emit(buf, "%d\n", vddnb);
2853 }
2854
2855 static ssize_t amdgpu_hwmon_show_vddnb_label(struct device *dev,
2856                                               struct device_attribute *attr,
2857                                               char *buf)
2858 {
2859         return sysfs_emit(buf, "vddnb\n");
2860 }
2861
2862 static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
2863                                            struct device_attribute *attr,
2864                                            char *buf)
2865 {
2866         struct amdgpu_device *adev = dev_get_drvdata(dev);
2867         u32 query = 0;
2868         int r, size = sizeof(u32);
2869         unsigned uw;
2870
2871         if (amdgpu_in_reset(adev))
2872                 return -EPERM;
2873         if (adev->in_suspend && !adev->in_runpm)
2874                 return -EPERM;
2875
2876         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2877         if (r < 0) {
2878                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2879                 return r;
2880         }
2881
2882         /* get the voltage */
2883         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER,
2884                                    (void *)&query, &size);
2885
2886         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2887         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2888
2889         if (r)
2890                 return r;
2891
2892         /* convert to microwatts */
2893         uw = (query >> 8) * 1000000 + (query & 0xff) * 1000;
2894
2895         return sysfs_emit(buf, "%u\n", uw);
2896 }
2897
2898 static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev,
2899                                          struct device_attribute *attr,
2900                                          char *buf)
2901 {
2902         return sprintf(buf, "%i\n", 0);
2903 }
2904
2905
2906 static ssize_t amdgpu_hwmon_show_power_cap_generic(struct device *dev,
2907                                         struct device_attribute *attr,
2908                                         char *buf,
2909                                         enum pp_power_limit_level pp_limit_level)
2910 {
2911         struct amdgpu_device *adev = dev_get_drvdata(dev);
2912         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
2913         enum pp_power_type power_type = to_sensor_dev_attr(attr)->index;
2914         uint32_t limit;
2915         ssize_t size;
2916         int r;
2917
2918         if (amdgpu_in_reset(adev))
2919                 return -EPERM;
2920         if (adev->in_suspend && !adev->in_runpm)
2921                 return -EPERM;
2922
2923         if ( !(pp_funcs && pp_funcs->get_power_limit))
2924                 return -ENODATA;
2925
2926         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2927         if (r < 0) {
2928                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2929                 return r;
2930         }
2931
2932         r = pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit,
2933                                       pp_limit_level, power_type);
2934
2935         if (!r)
2936                 size = sysfs_emit(buf, "%u\n", limit * 1000000);
2937         else
2938                 size = sysfs_emit(buf, "\n");
2939
2940         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2941         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2942
2943         return size;
2944 }
2945
2946
2947 static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev,
2948                                          struct device_attribute *attr,
2949                                          char *buf)
2950 {
2951         return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_MAX);
2952
2953 }
2954
2955 static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev,
2956                                          struct device_attribute *attr,
2957                                          char *buf)
2958 {
2959         return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_CURRENT);
2960
2961 }
2962
2963 static ssize_t amdgpu_hwmon_show_power_cap_default(struct device *dev,
2964                                          struct device_attribute *attr,
2965                                          char *buf)
2966 {
2967         return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_DEFAULT);
2968
2969 }
2970
2971 static ssize_t amdgpu_hwmon_show_power_label(struct device *dev,
2972                                          struct device_attribute *attr,
2973                                          char *buf)
2974 {
2975         int limit_type = to_sensor_dev_attr(attr)->index;
2976
2977         return sysfs_emit(buf, "%s\n",
2978                 limit_type == SMU_FAST_PPT_LIMIT ? "fastPPT" : "slowPPT");
2979 }
2980
2981 static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
2982                 struct device_attribute *attr,
2983                 const char *buf,
2984                 size_t count)
2985 {
2986         struct amdgpu_device *adev = dev_get_drvdata(dev);
2987         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
2988         int limit_type = to_sensor_dev_attr(attr)->index;
2989         int err;
2990         u32 value;
2991
2992         if (amdgpu_in_reset(adev))
2993                 return -EPERM;
2994         if (adev->in_suspend && !adev->in_runpm)
2995                 return -EPERM;
2996
2997         if (amdgpu_sriov_vf(adev))
2998                 return -EINVAL;
2999
3000         err = kstrtou32(buf, 10, &value);
3001         if (err)
3002                 return err;
3003
3004         value = value / 1000000; /* convert to Watt */
3005         value |= limit_type << 24;
3006
3007         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
3008         if (err < 0) {
3009                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3010                 return err;
3011         }
3012
3013         if (pp_funcs && pp_funcs->set_power_limit)
3014                 err = pp_funcs->set_power_limit(adev->powerplay.pp_handle, value);
3015         else
3016                 err = -EINVAL;
3017
3018         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3019         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3020
3021         if (err)
3022                 return err;
3023
3024         return count;
3025 }
3026
3027 static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
3028                                       struct device_attribute *attr,
3029                                       char *buf)
3030 {
3031         struct amdgpu_device *adev = dev_get_drvdata(dev);
3032         uint32_t sclk;
3033         int r, size = sizeof(sclk);
3034
3035         if (amdgpu_in_reset(adev))
3036                 return -EPERM;
3037         if (adev->in_suspend && !adev->in_runpm)
3038                 return -EPERM;
3039
3040         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
3041         if (r < 0) {
3042                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3043                 return r;
3044         }
3045
3046         /* get the sclk */
3047         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
3048                                    (void *)&sclk, &size);
3049
3050         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3051         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3052
3053         if (r)
3054                 return r;
3055
3056         return sysfs_emit(buf, "%u\n", sclk * 10 * 1000);
3057 }
3058
3059 static ssize_t amdgpu_hwmon_show_sclk_label(struct device *dev,
3060                                             struct device_attribute *attr,
3061                                             char *buf)
3062 {
3063         return sysfs_emit(buf, "sclk\n");
3064 }
3065
3066 static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
3067                                       struct device_attribute *attr,
3068                                       char *buf)
3069 {
3070         struct amdgpu_device *adev = dev_get_drvdata(dev);
3071         uint32_t mclk;
3072         int r, size = sizeof(mclk);
3073
3074         if (amdgpu_in_reset(adev))
3075                 return -EPERM;
3076         if (adev->in_suspend && !adev->in_runpm)
3077                 return -EPERM;
3078
3079         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
3080         if (r < 0) {
3081                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3082                 return r;
3083         }
3084
3085         /* get the sclk */
3086         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
3087                                    (void *)&mclk, &size);
3088
3089         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3090         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3091
3092         if (r)
3093                 return r;
3094
3095         return sysfs_emit(buf, "%u\n", mclk * 10 * 1000);
3096 }
3097
3098 static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
3099                                             struct device_attribute *attr,
3100                                             char *buf)
3101 {
3102         return sysfs_emit(buf, "mclk\n");
3103 }
3104
3105 /**
3106  * DOC: hwmon
3107  *
3108  * The amdgpu driver exposes the following sensor interfaces:
3109  *
3110  * - GPU temperature (via the on-die sensor)
3111  *
3112  * - GPU voltage
3113  *
3114  * - Northbridge voltage (APUs only)
3115  *
3116  * - GPU power
3117  *
3118  * - GPU fan
3119  *
3120  * - GPU gfx/compute engine clock
3121  *
3122  * - GPU memory clock (dGPU only)
3123  *
3124  * hwmon interfaces for GPU temperature:
3125  *
3126  * - temp[1-3]_input: the on die GPU temperature in millidegrees Celsius
3127  *   - temp2_input and temp3_input are supported on SOC15 dGPUs only
3128  *
3129  * - temp[1-3]_label: temperature channel label
3130  *   - temp2_label and temp3_label are supported on SOC15 dGPUs only
3131  *
3132  * - temp[1-3]_crit: temperature critical max value in millidegrees Celsius
3133  *   - temp2_crit and temp3_crit are supported on SOC15 dGPUs only
3134  *
3135  * - temp[1-3]_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius
3136  *   - temp2_crit_hyst and temp3_crit_hyst are supported on SOC15 dGPUs only
3137  *
3138  * - temp[1-3]_emergency: temperature emergency max value(asic shutdown) in millidegrees Celsius
3139  *   - these are supported on SOC15 dGPUs only
3140  *
3141  * hwmon interfaces for GPU voltage:
3142  *
3143  * - in0_input: the voltage on the GPU in millivolts
3144  *
3145  * - in1_input: the voltage on the Northbridge in millivolts
3146  *
3147  * hwmon interfaces for GPU power:
3148  *
3149  * - power1_average: average power used by the GPU in microWatts
3150  *
3151  * - power1_cap_min: minimum cap supported in microWatts
3152  *
3153  * - power1_cap_max: maximum cap supported in microWatts
3154  *
3155  * - power1_cap: selected power cap in microWatts
3156  *
3157  * hwmon interfaces for GPU fan:
3158  *
3159  * - pwm1: pulse width modulation fan level (0-255)
3160  *
3161  * - pwm1_enable: pulse width modulation fan control method (0: no fan speed control, 1: manual fan speed control using pwm interface, 2: automatic fan speed control)
3162  *
3163  * - pwm1_min: pulse width modulation fan control minimum level (0)
3164  *
3165  * - pwm1_max: pulse width modulation fan control maximum level (255)
3166  *
3167  * - fan1_min: a minimum value Unit: revolution/min (RPM)
3168  *
3169  * - fan1_max: a maximum value Unit: revolution/max (RPM)
3170  *
3171  * - fan1_input: fan speed in RPM
3172  *
3173  * - fan[1-\*]_target: Desired fan speed Unit: revolution/min (RPM)
3174  *
3175  * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable
3176  *
3177  * hwmon interfaces for GPU clocks:
3178  *
3179  * - freq1_input: the gfx/compute clock in hertz
3180  *
3181  * - freq2_input: the memory clock in hertz
3182  *
3183  * You can use hwmon tools like sensors to view this information on your system.
3184  *
3185  */
3186
3187 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_EDGE);
3188 static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0);
3189 static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1);
3190 static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_EDGE);
3191 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_JUNCTION);
3192 static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 0);
3193 static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 1);
3194 static SENSOR_DEVICE_ATTR(temp2_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_JUNCTION);
3195 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_MEM);
3196 static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 0);
3197 static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 1);
3198 static SENSOR_DEVICE_ATTR(temp3_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_MEM);
3199 static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_EDGE);
3200 static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_JUNCTION);
3201 static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_MEM);
3202 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu_hwmon_set_pwm1, 0);
3203 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0);
3204 static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0);
3205 static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0);
3206 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0);
3207 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, amdgpu_hwmon_get_fan1_min, NULL, 0);
3208 static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, amdgpu_hwmon_get_fan1_max, NULL, 0);
3209 static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_target, amdgpu_hwmon_set_fan1_target, 0);
3210 static SENSOR_DEVICE_ATTR(fan1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_enable, amdgpu_hwmon_set_fan1_enable, 0);
3211 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, amdgpu_hwmon_show_vddgfx, NULL, 0);
3212 static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NULL, 0);
3213 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0);
3214 static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, amdgpu_hwmon_show_vddnb_label, NULL, 0);
3215 static SENSOR_DEVICE_ATTR(power1_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 0);
3216 static SENSOR_DEVICE_ATTR(power1_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 0);
3217 static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 0);
3218 static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0);
3219 static SENSOR_DEVICE_ATTR(power1_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 0);
3220 static SENSOR_DEVICE_ATTR(power1_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 0);
3221 static SENSOR_DEVICE_ATTR(power2_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 1);
3222 static SENSOR_DEVICE_ATTR(power2_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 1);
3223 static SENSOR_DEVICE_ATTR(power2_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 1);
3224 static SENSOR_DEVICE_ATTR(power2_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 1);
3225 static SENSOR_DEVICE_ATTR(power2_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 1);
3226 static SENSOR_DEVICE_ATTR(power2_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 1);
3227 static SENSOR_DEVICE_ATTR(freq1_input, S_IRUGO, amdgpu_hwmon_show_sclk, NULL, 0);
3228 static SENSOR_DEVICE_ATTR(freq1_label, S_IRUGO, amdgpu_hwmon_show_sclk_label, NULL, 0);
3229 static SENSOR_DEVICE_ATTR(freq2_input, S_IRUGO, amdgpu_hwmon_show_mclk, NULL, 0);
3230 static SENSOR_DEVICE_ATTR(freq2_label, S_IRUGO, amdgpu_hwmon_show_mclk_label, NULL, 0);
3231
3232 static struct attribute *hwmon_attributes[] = {
3233         &sensor_dev_attr_temp1_input.dev_attr.attr,
3234         &sensor_dev_attr_temp1_crit.dev_attr.attr,
3235         &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
3236         &sensor_dev_attr_temp2_input.dev_attr.attr,
3237         &sensor_dev_attr_temp2_crit.dev_attr.attr,
3238         &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
3239         &sensor_dev_attr_temp3_input.dev_attr.attr,
3240         &sensor_dev_attr_temp3_crit.dev_attr.attr,
3241         &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
3242         &sensor_dev_attr_temp1_emergency.dev_attr.attr,
3243         &sensor_dev_attr_temp2_emergency.dev_attr.attr,
3244         &sensor_dev_attr_temp3_emergency.dev_attr.attr,
3245         &sensor_dev_attr_temp1_label.dev_attr.attr,
3246         &sensor_dev_attr_temp2_label.dev_attr.attr,
3247         &sensor_dev_attr_temp3_label.dev_attr.attr,
3248         &sensor_dev_attr_pwm1.dev_attr.attr,
3249         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
3250         &sensor_dev_attr_pwm1_min.dev_attr.attr,
3251         &sensor_dev_attr_pwm1_max.dev_attr.attr,
3252         &sensor_dev_attr_fan1_input.dev_attr.attr,
3253         &sensor_dev_attr_fan1_min.dev_attr.attr,
3254         &sensor_dev_attr_fan1_max.dev_attr.attr,
3255         &sensor_dev_attr_fan1_target.dev_attr.attr,
3256         &sensor_dev_attr_fan1_enable.dev_attr.attr,
3257         &sensor_dev_attr_in0_input.dev_attr.attr,
3258         &sensor_dev_attr_in0_label.dev_attr.attr,
3259         &sensor_dev_attr_in1_input.dev_attr.attr,
3260         &sensor_dev_attr_in1_label.dev_attr.attr,
3261         &sensor_dev_attr_power1_average.dev_attr.attr,
3262         &sensor_dev_attr_power1_cap_max.dev_attr.attr,
3263         &sensor_dev_attr_power1_cap_min.dev_attr.attr,
3264         &sensor_dev_attr_power1_cap.dev_attr.attr,
3265         &sensor_dev_attr_power1_cap_default.dev_attr.attr,
3266         &sensor_dev_attr_power1_label.dev_attr.attr,
3267         &sensor_dev_attr_power2_average.dev_attr.attr,
3268         &sensor_dev_attr_power2_cap_max.dev_attr.attr,
3269         &sensor_dev_attr_power2_cap_min.dev_attr.attr,
3270         &sensor_dev_attr_power2_cap.dev_attr.attr,
3271         &sensor_dev_attr_power2_cap_default.dev_attr.attr,
3272         &sensor_dev_attr_power2_label.dev_attr.attr,
3273         &sensor_dev_attr_freq1_input.dev_attr.attr,
3274         &sensor_dev_attr_freq1_label.dev_attr.attr,
3275         &sensor_dev_attr_freq2_input.dev_attr.attr,
3276         &sensor_dev_attr_freq2_label.dev_attr.attr,
3277         NULL
3278 };
3279
3280 static umode_t hwmon_attributes_visible(struct kobject *kobj,
3281                                         struct attribute *attr, int index)
3282 {
3283         struct device *dev = kobj_to_dev(kobj);
3284         struct amdgpu_device *adev = dev_get_drvdata(dev);
3285         umode_t effective_mode = attr->mode;
3286
3287         /* under multi-vf mode, the hwmon attributes are all not supported */
3288         if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
3289                 return 0;
3290
3291         /* there is no fan under pp one vf mode */
3292         if (amdgpu_sriov_is_pp_one_vf(adev) &&
3293             (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3294              attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3295              attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3296              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3297              attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3298              attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3299              attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3300              attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3301              attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3302                 return 0;
3303
3304         /* Skip fan attributes if fan is not present */
3305         if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3306             attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3307             attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3308             attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3309             attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3310             attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3311             attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3312             attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3313             attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3314                 return 0;
3315
3316         /* Skip fan attributes on APU */
3317         if ((adev->flags & AMD_IS_APU) &&
3318             (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3319              attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3320              attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3321              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3322              attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3323              attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3324              attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3325              attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3326              attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3327                 return 0;
3328
3329         /* Skip crit temp on APU */
3330         if ((adev->flags & AMD_IS_APU) && (adev->family >= AMDGPU_FAMILY_CZ) &&
3331             (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
3332              attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr))
3333                 return 0;
3334
3335         /* Skip limit attributes if DPM is not enabled */
3336         if (!adev->pm.dpm_enabled &&
3337             (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
3338              attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
3339              attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3340              attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3341              attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3342              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3343              attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3344              attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3345              attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3346              attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3347              attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3348                 return 0;
3349
3350         if (!is_support_sw_smu(adev)) {
3351                 /* mask fan attributes if we have no bindings for this asic to expose */
3352                 if ((!adev->powerplay.pp_funcs->get_fan_speed_percent &&
3353                      attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */
3354                     (!adev->powerplay.pp_funcs->get_fan_control_mode &&
3355                      attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */
3356                         effective_mode &= ~S_IRUGO;
3357
3358                 if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
3359                      attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */
3360                     (!adev->powerplay.pp_funcs->set_fan_control_mode &&
3361                      attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
3362                         effective_mode &= ~S_IWUSR;
3363         }
3364
3365         if (((adev->family == AMDGPU_FAMILY_SI) ||
3366                  ((adev->flags & AMD_IS_APU) &&
3367               (adev->asic_type != CHIP_VANGOGH))) &&    /* not implemented yet */
3368             (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr ||
3369              attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr||
3370              attr == &sensor_dev_attr_power1_cap.dev_attr.attr ||
3371              attr == &sensor_dev_attr_power1_cap_default.dev_attr.attr))
3372                 return 0;
3373
3374         if (((adev->family == AMDGPU_FAMILY_SI) ||
3375              ((adev->flags & AMD_IS_APU) &&
3376               (adev->asic_type < CHIP_RENOIR))) &&      /* not implemented yet */
3377             (attr == &sensor_dev_attr_power1_average.dev_attr.attr))
3378                 return 0;
3379
3380         if (!is_support_sw_smu(adev)) {
3381                 /* hide max/min values if we can't both query and manage the fan */
3382                 if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
3383                      !adev->powerplay.pp_funcs->get_fan_speed_percent) &&
3384                      (!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
3385                      !adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
3386                     (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3387                      attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
3388                         return 0;
3389
3390                 if ((!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
3391                      !adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
3392                     (attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3393                      attr == &sensor_dev_attr_fan1_min.dev_attr.attr))
3394                         return 0;
3395         }
3396
3397         if ((adev->family == AMDGPU_FAMILY_SI ||        /* not implemented yet */
3398              adev->family == AMDGPU_FAMILY_KV) &&       /* not implemented yet */
3399             (attr == &sensor_dev_attr_in0_input.dev_attr.attr ||
3400              attr == &sensor_dev_attr_in0_label.dev_attr.attr))
3401                 return 0;
3402
3403         /* only APUs have vddnb */
3404         if (!(adev->flags & AMD_IS_APU) &&
3405             (attr == &sensor_dev_attr_in1_input.dev_attr.attr ||
3406              attr == &sensor_dev_attr_in1_label.dev_attr.attr))
3407                 return 0;
3408
3409         /* no mclk on APUs */
3410         if ((adev->flags & AMD_IS_APU) &&
3411             (attr == &sensor_dev_attr_freq2_input.dev_attr.attr ||
3412              attr == &sensor_dev_attr_freq2_label.dev_attr.attr))
3413                 return 0;
3414
3415         /* only SOC15 dGPUs support hotspot and mem temperatures */
3416         if (((adev->flags & AMD_IS_APU) ||
3417              adev->asic_type < CHIP_VEGA10) &&
3418             (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr ||
3419              attr == &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr ||
3420              attr == &sensor_dev_attr_temp3_crit.dev_attr.attr ||
3421              attr == &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr ||
3422              attr == &sensor_dev_attr_temp1_emergency.dev_attr.attr ||
3423              attr == &sensor_dev_attr_temp2_emergency.dev_attr.attr ||
3424              attr == &sensor_dev_attr_temp3_emergency.dev_attr.attr ||
3425              attr == &sensor_dev_attr_temp2_input.dev_attr.attr ||
3426              attr == &sensor_dev_attr_temp3_input.dev_attr.attr ||
3427              attr == &sensor_dev_attr_temp2_label.dev_attr.attr ||
3428              attr == &sensor_dev_attr_temp3_label.dev_attr.attr))
3429                 return 0;
3430
3431         /* only Vangogh has fast PPT limit and power labels */
3432         if (!(adev->asic_type == CHIP_VANGOGH) &&
3433             (attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
3434                  attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
3435              attr == &sensor_dev_attr_power2_cap_min.dev_attr.attr ||
3436                  attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
3437                  attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
3438                  attr == &sensor_dev_attr_power2_label.dev_attr.attr ||
3439                  attr == &sensor_dev_attr_power1_label.dev_attr.attr))
3440                 return 0;
3441
3442         return effective_mode;
3443 }
3444
3445 static const struct attribute_group hwmon_attrgroup = {
3446         .attrs = hwmon_attributes,
3447         .is_visible = hwmon_attributes_visible,
3448 };
3449
3450 static const struct attribute_group *hwmon_groups[] = {
3451         &hwmon_attrgroup,
3452         NULL
3453 };
3454
3455 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
3456 {
3457         int ret;
3458         uint32_t mask = 0;
3459
3460         if (adev->pm.sysfs_initialized)
3461                 return 0;
3462
3463         if (adev->pm.dpm_enabled == 0)
3464                 return 0;
3465
3466         INIT_LIST_HEAD(&adev->pm.pm_attr_list);
3467
3468         adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
3469                                                                    DRIVER_NAME, adev,
3470                                                                    hwmon_groups);
3471         if (IS_ERR(adev->pm.int_hwmon_dev)) {
3472                 ret = PTR_ERR(adev->pm.int_hwmon_dev);
3473                 dev_err(adev->dev,
3474                         "Unable to register hwmon device: %d\n", ret);
3475                 return ret;
3476         }
3477
3478         switch (amdgpu_virt_get_sriov_vf_mode(adev)) {
3479         case SRIOV_VF_MODE_ONE_VF:
3480                 mask = ATTR_FLAG_ONEVF;
3481                 break;
3482         case SRIOV_VF_MODE_MULTI_VF:
3483                 mask = 0;
3484                 break;
3485         case SRIOV_VF_MODE_BARE_METAL:
3486         default:
3487                 mask = ATTR_FLAG_MASK_ALL;
3488                 break;
3489         }
3490
3491         ret = amdgpu_device_attr_create_groups(adev,
3492                                                amdgpu_device_attrs,
3493                                                ARRAY_SIZE(amdgpu_device_attrs),
3494                                                mask,
3495                                                &adev->pm.pm_attr_list);
3496         if (ret)
3497                 return ret;
3498
3499         adev->pm.sysfs_initialized = true;
3500
3501         return 0;
3502 }
3503
3504 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
3505 {
3506         if (adev->pm.dpm_enabled == 0)
3507                 return;
3508
3509         if (adev->pm.int_hwmon_dev)
3510                 hwmon_device_unregister(adev->pm.int_hwmon_dev);
3511
3512         amdgpu_device_attr_remove_groups(adev, &adev->pm.pm_attr_list);
3513 }
3514
3515 /*
3516  * Debugfs info
3517  */
3518 #if defined(CONFIG_DEBUG_FS)
3519
3520 static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,
3521                                            struct amdgpu_device *adev) {
3522         uint16_t *p_val;
3523         uint32_t size;
3524         int i;
3525
3526         if (is_support_cclk_dpm(adev)) {
3527                 p_val = kcalloc(adev->smu.cpu_core_num, sizeof(uint16_t),
3528                                 GFP_KERNEL);
3529
3530                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_CPU_CLK,
3531                                             (void *)p_val, &size)) {
3532                         for (i = 0; i < adev->smu.cpu_core_num; i++)
3533                                 seq_printf(m, "\t%u MHz (CPU%d)\n",
3534                                            *(p_val + i), i);
3535                 }
3536
3537                 kfree(p_val);
3538         }
3539 }
3540
3541 static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
3542 {
3543         uint32_t value;
3544         uint64_t value64 = 0;
3545         uint32_t query = 0;
3546         int size;
3547
3548         /* GPU Clocks */
3549         size = sizeof(value);
3550         seq_printf(m, "GFX Clocks and Power:\n");
3551
3552         amdgpu_debugfs_prints_cpu_info(m, adev);
3553
3554         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size))
3555                 seq_printf(m, "\t%u MHz (MCLK)\n", value/100);
3556         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size))
3557                 seq_printf(m, "\t%u MHz (SCLK)\n", value/100);
3558         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&value, &size))
3559                 seq_printf(m, "\t%u MHz (PSTATE_SCLK)\n", value/100);
3560         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&value, &size))
3561                 seq_printf(m, "\t%u MHz (PSTATE_MCLK)\n", value/100);
3562         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size))
3563                 seq_printf(m, "\t%u mV (VDDGFX)\n", value);
3564         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size))
3565                 seq_printf(m, "\t%u mV (VDDNB)\n", value);
3566         size = sizeof(uint32_t);
3567         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size))
3568                 seq_printf(m, "\t%u.%u W (average GPU)\n", query >> 8, query & 0xff);
3569         size = sizeof(value);
3570         seq_printf(m, "\n");
3571
3572         /* GPU Temp */
3573         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&value, &size))
3574                 seq_printf(m, "GPU Temperature: %u C\n", value/1000);
3575
3576         /* GPU Load */
3577         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size))
3578                 seq_printf(m, "GPU Load: %u %%\n", value);
3579         /* MEM Load */
3580         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, (void *)&value, &size))
3581                 seq_printf(m, "MEM Load: %u %%\n", value);
3582
3583         seq_printf(m, "\n");
3584
3585         /* SMC feature mask */
3586         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
3587                 seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);
3588
3589         if (adev->asic_type > CHIP_VEGA20) {
3590                 /* VCN clocks */
3591                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) {
3592                         if (!value) {
3593                                 seq_printf(m, "VCN: Disabled\n");
3594                         } else {
3595                                 seq_printf(m, "VCN: Enabled\n");
3596                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3597                                         seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3598                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3599                                         seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3600                         }
3601                 }
3602                 seq_printf(m, "\n");
3603         } else {
3604                 /* UVD clocks */
3605                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
3606                         if (!value) {
3607                                 seq_printf(m, "UVD: Disabled\n");
3608                         } else {
3609                                 seq_printf(m, "UVD: Enabled\n");
3610                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3611                                         seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3612                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3613                                         seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3614                         }
3615                 }
3616                 seq_printf(m, "\n");
3617
3618                 /* VCE clocks */
3619                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) {
3620                         if (!value) {
3621                                 seq_printf(m, "VCE: Disabled\n");
3622                         } else {
3623                                 seq_printf(m, "VCE: Enabled\n");
3624                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size))
3625                                         seq_printf(m, "\t%u MHz (ECCLK)\n", value/100);
3626                         }
3627                 }
3628         }
3629
3630         return 0;
3631 }
3632
3633 static void amdgpu_parse_cg_state(struct seq_file *m, u32 flags)
3634 {
3635         int i;
3636
3637         for (i = 0; clocks[i].flag; i++)
3638                 seq_printf(m, "\t%s: %s\n", clocks[i].name,
3639                            (flags & clocks[i].flag) ? "On" : "Off");
3640 }
3641
3642 static int amdgpu_debugfs_pm_info_show(struct seq_file *m, void *unused)
3643 {
3644         struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
3645         struct drm_device *dev = adev_to_drm(adev);
3646         u32 flags = 0;
3647         int r;
3648
3649         if (amdgpu_in_reset(adev))
3650                 return -EPERM;
3651         if (adev->in_suspend && !adev->in_runpm)
3652                 return -EPERM;
3653
3654         r = pm_runtime_get_sync(dev->dev);
3655         if (r < 0) {
3656                 pm_runtime_put_autosuspend(dev->dev);
3657                 return r;
3658         }
3659
3660         if (!adev->pm.dpm_enabled) {
3661                 seq_printf(m, "dpm not enabled\n");
3662                 pm_runtime_mark_last_busy(dev->dev);
3663                 pm_runtime_put_autosuspend(dev->dev);
3664                 return 0;
3665         }
3666
3667         if (!is_support_sw_smu(adev) &&
3668             adev->powerplay.pp_funcs->debugfs_print_current_performance_level) {
3669                 mutex_lock(&adev->pm.mutex);
3670                 if (adev->powerplay.pp_funcs->debugfs_print_current_performance_level)
3671                         adev->powerplay.pp_funcs->debugfs_print_current_performance_level(adev, m);
3672                 else
3673                         seq_printf(m, "Debugfs support not implemented for this asic\n");
3674                 mutex_unlock(&adev->pm.mutex);
3675                 r = 0;
3676         } else {
3677                 r = amdgpu_debugfs_pm_info_pp(m, adev);
3678         }
3679         if (r)
3680                 goto out;
3681
3682         amdgpu_device_ip_get_clockgating_state(adev, &flags);
3683
3684         seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags);
3685         amdgpu_parse_cg_state(m, flags);
3686         seq_printf(m, "\n");
3687
3688 out:
3689         pm_runtime_mark_last_busy(dev->dev);
3690         pm_runtime_put_autosuspend(dev->dev);
3691
3692         return r;
3693 }
3694
3695 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_pm_info);
3696
3697 /*
3698  * amdgpu_pm_priv_buffer_read - Read memory region allocated to FW
3699  *
3700  * Reads debug memory region allocated to PMFW
3701  */
3702 static ssize_t amdgpu_pm_prv_buffer_read(struct file *f, char __user *buf,
3703                                          size_t size, loff_t *pos)
3704 {
3705         struct amdgpu_device *adev = file_inode(f)->i_private;
3706         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
3707         void *pp_handle = adev->powerplay.pp_handle;
3708         size_t smu_prv_buf_size;
3709         void *smu_prv_buf;
3710
3711         if (amdgpu_in_reset(adev))
3712                 return -EPERM;
3713         if (adev->in_suspend && !adev->in_runpm)
3714                 return -EPERM;
3715
3716         if (pp_funcs && pp_funcs->get_smu_prv_buf_details)
3717                 pp_funcs->get_smu_prv_buf_details(pp_handle, &smu_prv_buf,
3718                                                   &smu_prv_buf_size);
3719         else
3720                 return -ENOSYS;
3721
3722         if (!smu_prv_buf || !smu_prv_buf_size)
3723                 return -EINVAL;
3724
3725         return simple_read_from_buffer(buf, size, pos, smu_prv_buf,
3726                                        smu_prv_buf_size);
3727 }
3728
3729 static const struct file_operations amdgpu_debugfs_pm_prv_buffer_fops = {
3730         .owner = THIS_MODULE,
3731         .open = simple_open,
3732         .read = amdgpu_pm_prv_buffer_read,
3733         .llseek = default_llseek,
3734 };
3735
3736 #endif
3737
3738 void amdgpu_debugfs_pm_init(struct amdgpu_device *adev)
3739 {
3740 #if defined(CONFIG_DEBUG_FS)
3741         struct drm_minor *minor = adev_to_drm(adev)->primary;
3742         struct dentry *root = minor->debugfs_root;
3743
3744         debugfs_create_file("amdgpu_pm_info", 0444, root, adev,
3745                             &amdgpu_debugfs_pm_info_fops);
3746
3747         if (adev->pm.smu_prv_buffer_size > 0)
3748                 debugfs_create_file_size("amdgpu_pm_prv_buffer", 0444, root,
3749                                          adev,
3750                                          &amdgpu_debugfs_pm_prv_buffer_fops,
3751                                          adev->pm.smu_prv_buffer_size);
3752 #endif
3753 }