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