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

   1 /*
   2  * Copyright 2017 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Rafał Miłecki <zajec5@gmail.com>
  23  *          Alex Deucher <alexdeucher@gmail.com>
  24  */
  25
  26 #include "amdgpu.h"
  27 #include "amdgpu_drv.h"
  28 #include "amdgpu_pm.h"
  29 #include "amdgpu_dpm.h"
  30 #include "atom.h"
  31 #include <linux/pci.h>
  32 #include <linux/hwmon.h>
  33 #include <linux/hwmon-sysfs.h>
  34 #include <linux/nospec.h>
  35 #include <linux/pm_runtime.h>
  36 #include <asm/processor.h>
  37
  38 static const struct cg_flag_name clocks[] = {
  39         {AMD_CG_SUPPORT_GFX_FGCG, "Graphics Fine Grain Clock Gating"},
  40         {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"},
  41         {AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"},
  42         {AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"},
  43         {AMD_CG_SUPPORT_GFX_CGLS, "Graphics Coarse Grain memory Light Sleep"},
  44         {AMD_CG_SUPPORT_GFX_CGTS, "Graphics Coarse Grain Tree Shader Clock Gating"},
  45         {AMD_CG_SUPPORT_GFX_CGTS_LS, "Graphics Coarse Grain Tree Shader Light Sleep"},
  46         {AMD_CG_SUPPORT_GFX_CP_LS, "Graphics Command Processor Light Sleep"},
  47         {AMD_CG_SUPPORT_GFX_RLC_LS, "Graphics Run List Controller Light Sleep"},
  48         {AMD_CG_SUPPORT_GFX_3D_CGCG, "Graphics 3D Coarse Grain Clock Gating"},
  49         {AMD_CG_SUPPORT_GFX_3D_CGLS, "Graphics 3D Coarse Grain memory Light Sleep"},
  50         {AMD_CG_SUPPORT_MC_LS, "Memory Controller Light Sleep"},
  51         {AMD_CG_SUPPORT_MC_MGCG, "Memory Controller Medium Grain Clock Gating"},
  52         {AMD_CG_SUPPORT_SDMA_LS, "System Direct Memory Access Light Sleep"},
  53         {AMD_CG_SUPPORT_SDMA_MGCG, "System Direct Memory Access Medium Grain Clock Gating"},
  54         {AMD_CG_SUPPORT_BIF_MGCG, "Bus Interface Medium Grain Clock Gating"},
  55         {AMD_CG_SUPPORT_BIF_LS, "Bus Interface Light Sleep"},
  56         {AMD_CG_SUPPORT_UVD_MGCG, "Unified Video Decoder Medium Grain Clock Gating"},
  57         {AMD_CG_SUPPORT_VCE_MGCG, "Video Compression Engine Medium Grain Clock Gating"},
  58         {AMD_CG_SUPPORT_HDP_LS, "Host Data Path Light Sleep"},
  59         {AMD_CG_SUPPORT_HDP_MGCG, "Host Data Path Medium Grain Clock Gating"},
  60         {AMD_CG_SUPPORT_DRM_MGCG, "Digital Right Management Medium Grain Clock Gating"},
  61         {AMD_CG_SUPPORT_DRM_LS, "Digital Right Management Light Sleep"},
  62         {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"},
  63         {AMD_CG_SUPPORT_DF_MGCG, "Data Fabric Medium Grain Clock Gating"},
  64         {AMD_CG_SUPPORT_VCN_MGCG, "VCN Medium Grain Clock Gating"},
  65         {AMD_CG_SUPPORT_HDP_DS, "Host Data Path Deep Sleep"},
  66         {AMD_CG_SUPPORT_HDP_SD, "Host Data Path Shutdown"},
  67         {AMD_CG_SUPPORT_IH_CG, "Interrupt Handler Clock Gating"},
  68         {AMD_CG_SUPPORT_JPEG_MGCG, "JPEG Medium Grain Clock Gating"},
  69         {AMD_CG_SUPPORT_REPEATER_FGCG, "Repeater Fine Grain Clock Gating"},
  70         {AMD_CG_SUPPORT_GFX_PERF_CLK, "Perfmon Clock Gating"},
  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 const char * const amdgpu_pp_profile_name[] = {
  86         "BOOTUP_DEFAULT",
  87         "3D_FULL_SCREEN",
  88         "POWER_SAVING",
  89         "VIDEO",
  90         "VR",
  91         "COMPUTE",
  92         "CUSTOM",
  93         "WINDOW_3D",
  94         "CAPPED",
  95         "UNCAPPED",
  96 };
  97
  98 /**
  99  * DOC: power_dpm_state
 100  *
 101  * The power_dpm_state file is a legacy interface and is only provided for
 102  * backwards compatibility. The amdgpu driver provides a sysfs API for adjusting
 103  * certain power related parameters.  The file power_dpm_state is used for this.
 104  * It accepts the following arguments:
 105  *
 106  * - battery
 107  *
 108  * - balanced
 109  *
 110  * - performance
 111  *
 112  * battery
 113  *
 114  * On older GPUs, the vbios provided a special power state for battery
 115  * operation.  Selecting battery switched to this state.  This is no
 116  * longer provided on newer GPUs so the option does nothing in that case.
 117  *
 118  * balanced
 119  *
 120  * On older GPUs, the vbios provided a special power state for balanced
 121  * operation.  Selecting balanced switched to this state.  This is no
 122  * longer provided on newer GPUs so the option does nothing in that case.
 123  *
 124  * performance
 125  *
 126  * On older GPUs, the vbios provided a special power state for performance
 127  * operation.  Selecting performance switched to this state.  This is no
 128  * longer provided on newer GPUs so the option does nothing in that case.
 129  *
 130  */
 131
 132 static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
 133                                           struct device_attribute *attr,
 134                                           char *buf)
 135 {
 136         struct drm_device *ddev = dev_get_drvdata(dev);
 137         struct amdgpu_device *adev = drm_to_adev(ddev);
 138         enum amd_pm_state_type pm;
 139         int ret;
 140
 141         if (amdgpu_in_reset(adev))
 142                 return -EPERM;
 143         if (adev->in_suspend && !adev->in_runpm)
 144                 return -EPERM;
 145
 146         ret = pm_runtime_get_sync(ddev->dev);
 147         if (ret < 0) {
 148                 pm_runtime_put_autosuspend(ddev->dev);
 149                 return ret;
 150         }
 151
 152         amdgpu_dpm_get_current_power_state(adev, &pm);
 153
 154         pm_runtime_mark_last_busy(ddev->dev);
 155         pm_runtime_put_autosuspend(ddev->dev);
 156
 157         return sysfs_emit(buf, "%s\n",
 158                           (pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
 159                           (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
 160 }
 161
 162 static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
 163                                           struct device_attribute *attr,
 164                                           const char *buf,
 165                                           size_t count)
 166 {
 167         struct drm_device *ddev = dev_get_drvdata(dev);
 168         struct amdgpu_device *adev = drm_to_adev(ddev);
 169         enum amd_pm_state_type  state;
 170         int ret;
 171
 172         if (amdgpu_in_reset(adev))
 173                 return -EPERM;
 174         if (adev->in_suspend && !adev->in_runpm)
 175                 return -EPERM;
 176
 177         if (strncmp("battery", buf, strlen("battery")) == 0)
 178                 state = POWER_STATE_TYPE_BATTERY;
 179         else if (strncmp("balanced", buf, strlen("balanced")) == 0)
 180                 state = POWER_STATE_TYPE_BALANCED;
 181         else if (strncmp("performance", buf, strlen("performance")) == 0)
 182                 state = POWER_STATE_TYPE_PERFORMANCE;
 183         else
 184                 return -EINVAL;
 185
 186         ret = pm_runtime_get_sync(ddev->dev);
 187         if (ret < 0) {
 188                 pm_runtime_put_autosuspend(ddev->dev);
 189                 return ret;
 190         }
 191
 192         amdgpu_dpm_set_power_state(adev, state);
 193
 194         pm_runtime_mark_last_busy(ddev->dev);
 195         pm_runtime_put_autosuspend(ddev->dev);
 196
 197         return count;
 198 }
 199
 200
 201 /**
 202  * DOC: power_dpm_force_performance_level
 203  *
 204  * The amdgpu driver provides a sysfs API for adjusting certain power
 205  * related parameters.  The file power_dpm_force_performance_level is
 206  * used for this.  It accepts the following arguments:
 207  *
 208  * - auto
 209  *
 210  * - low
 211  *
 212  * - high
 213  *
 214  * - manual
 215  *
 216  * - profile_standard
 217  *
 218  * - profile_min_sclk
 219  *
 220  * - profile_min_mclk
 221  *
 222  * - profile_peak
 223  *
 224  * auto
 225  *
 226  * When auto is selected, the driver will attempt to dynamically select
 227  * the optimal power profile for current conditions in the driver.
 228  *
 229  * low
 230  *
 231  * When low is selected, the clocks are forced to the lowest power state.
 232  *
 233  * high
 234  *
 235  * When high is selected, the clocks are forced to the highest power state.
 236  *
 237  * manual
 238  *
 239  * When manual is selected, the user can manually adjust which power states
 240  * are enabled for each clock domain via the sysfs pp_dpm_mclk, pp_dpm_sclk,
 241  * and pp_dpm_pcie files and adjust the power state transition heuristics
 242  * via the pp_power_profile_mode sysfs file.
 243  *
 244  * profile_standard
 245  * profile_min_sclk
 246  * profile_min_mclk
 247  * profile_peak
 248  *
 249  * When the profiling modes are selected, clock and power gating are
 250  * disabled and the clocks are set for different profiling cases. This
 251  * mode is recommended for profiling specific work loads where you do
 252  * not want clock or power gating for clock fluctuation to interfere
 253  * with your results. profile_standard sets the clocks to a fixed clock
 254  * level which varies from asic to asic.  profile_min_sclk forces the sclk
 255  * to the lowest level.  profile_min_mclk forces the mclk to the lowest level.
 256  * profile_peak sets all clocks (mclk, sclk, pcie) to the highest levels.
 257  *
 258  */
 259
 260 static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
 261                                                             struct device_attribute *attr,
 262                                                             char *buf)
 263 {
 264         struct drm_device *ddev = dev_get_drvdata(dev);
 265         struct amdgpu_device *adev = drm_to_adev(ddev);
 266         enum amd_dpm_forced_level level = 0xff;
 267         int ret;
 268
 269         if (amdgpu_in_reset(adev))
 270                 return -EPERM;
 271         if (adev->in_suspend && !adev->in_runpm)
 272                 return -EPERM;
 273
 274         ret = pm_runtime_get_sync(ddev->dev);
 275         if (ret < 0) {
 276                 pm_runtime_put_autosuspend(ddev->dev);
 277                 return ret;
 278         }
 279
 280         level = amdgpu_dpm_get_performance_level(adev);
 281
 282         pm_runtime_mark_last_busy(ddev->dev);
 283         pm_runtime_put_autosuspend(ddev->dev);
 284
 285         return sysfs_emit(buf, "%s\n",
 286                           (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" :
 287                           (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" :
 288                           (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" :
 289                           (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" :
 290                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) ? "profile_standard" :
 291                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) ? "profile_min_sclk" :
 292                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) ? "profile_min_mclk" :
 293                           (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) ? "profile_peak" :
 294                           (level == AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) ? "perf_determinism" :
 295                           "unknown");
 296 }
 297
 298 static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
 299                                                             struct device_attribute *attr,
 300                                                             const char *buf,
 301                                                             size_t count)
 302 {
 303         struct drm_device *ddev = dev_get_drvdata(dev);
 304         struct amdgpu_device *adev = drm_to_adev(ddev);
 305         enum amd_dpm_forced_level level;
 306         int ret = 0;
 307
 308         if (amdgpu_in_reset(adev))
 309                 return -EPERM;
 310         if (adev->in_suspend && !adev->in_runpm)
 311                 return -EPERM;
 312
 313         if (strncmp("low", buf, strlen("low")) == 0) {
 314                 level = AMD_DPM_FORCED_LEVEL_LOW;
 315         } else if (strncmp("high", buf, strlen("high")) == 0) {
 316                 level = AMD_DPM_FORCED_LEVEL_HIGH;
 317         } else if (strncmp("auto", buf, strlen("auto")) == 0) {
 318                 level = AMD_DPM_FORCED_LEVEL_AUTO;
 319         } else if (strncmp("manual", buf, strlen("manual")) == 0) {
 320                 level = AMD_DPM_FORCED_LEVEL_MANUAL;
 321         } else if (strncmp("profile_exit", buf, strlen("profile_exit")) == 0) {
 322                 level = AMD_DPM_FORCED_LEVEL_PROFILE_EXIT;
 323         } else if (strncmp("profile_standard", buf, strlen("profile_standard")) == 0) {
 324                 level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD;
 325         } else if (strncmp("profile_min_sclk", buf, strlen("profile_min_sclk")) == 0) {
 326                 level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK;
 327         } else if (strncmp("profile_min_mclk", buf, strlen("profile_min_mclk")) == 0) {
 328                 level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK;
 329         } else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) {
 330                 level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
 331         } else if (strncmp("perf_determinism", buf, strlen("perf_determinism")) == 0) {
 332                 level = AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM;
 333         }  else {
 334                 return -EINVAL;
 335         }
 336
 337         ret = pm_runtime_get_sync(ddev->dev);
 338         if (ret < 0) {
 339                 pm_runtime_put_autosuspend(ddev->dev);
 340                 return ret;
 341         }
 342
 343         mutex_lock(&adev->pm.stable_pstate_ctx_lock);
 344         if (amdgpu_dpm_force_performance_level(adev, level)) {
 345                 pm_runtime_mark_last_busy(ddev->dev);
 346                 pm_runtime_put_autosuspend(ddev->dev);
 347                 mutex_unlock(&adev->pm.stable_pstate_ctx_lock);
 348                 return -EINVAL;
 349         }
 350         /* override whatever a user ctx may have set */
 351         adev->pm.stable_pstate_ctx = NULL;
 352         mutex_unlock(&adev->pm.stable_pstate_ctx_lock);
 353
 354         pm_runtime_mark_last_busy(ddev->dev);
 355         pm_runtime_put_autosuspend(ddev->dev);
 356
 357         return count;
 358 }
 359
 360 static ssize_t amdgpu_get_pp_num_states(struct device *dev,
 361                 struct device_attribute *attr,
 362                 char *buf)
 363 {
 364         struct drm_device *ddev = dev_get_drvdata(dev);
 365         struct amdgpu_device *adev = drm_to_adev(ddev);
 366         struct pp_states_info data;
 367         uint32_t i;
 368         int buf_len, ret;
 369
 370         if (amdgpu_in_reset(adev))
 371                 return -EPERM;
 372         if (adev->in_suspend && !adev->in_runpm)
 373                 return -EPERM;
 374
 375         ret = pm_runtime_get_sync(ddev->dev);
 376         if (ret < 0) {
 377                 pm_runtime_put_autosuspend(ddev->dev);
 378                 return ret;
 379         }
 380
 381         if (amdgpu_dpm_get_pp_num_states(adev, &data))
 382                 memset(&data, 0, sizeof(data));
 383
 384         pm_runtime_mark_last_busy(ddev->dev);
 385         pm_runtime_put_autosuspend(ddev->dev);
 386
 387         buf_len = sysfs_emit(buf, "states: %d\n", data.nums);
 388         for (i = 0; i < data.nums; i++)
 389                 buf_len += sysfs_emit_at(buf, buf_len, "%d %s\n", i,
 390                                 (data.states[i] == POWER_STATE_TYPE_INTERNAL_BOOT) ? "boot" :
 391                                 (data.states[i] == POWER_STATE_TYPE_BATTERY) ? "battery" :
 392                                 (data.states[i] == POWER_STATE_TYPE_BALANCED) ? "balanced" :
 393                                 (data.states[i] == POWER_STATE_TYPE_PERFORMANCE) ? "performance" : "default");
 394
 395         return buf_len;
 396 }
 397
 398 static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
 399                 struct device_attribute *attr,
 400                 char *buf)
 401 {
 402         struct drm_device *ddev = dev_get_drvdata(dev);
 403         struct amdgpu_device *adev = drm_to_adev(ddev);
 404         struct pp_states_info data = {0};
 405         enum amd_pm_state_type pm = 0;
 406         int i = 0, ret = 0;
 407
 408         if (amdgpu_in_reset(adev))
 409                 return -EPERM;
 410         if (adev->in_suspend && !adev->in_runpm)
 411                 return -EPERM;
 412
 413         ret = pm_runtime_get_sync(ddev->dev);
 414         if (ret < 0) {
 415                 pm_runtime_put_autosuspend(ddev->dev);
 416                 return ret;
 417         }
 418
 419         amdgpu_dpm_get_current_power_state(adev, &pm);
 420
 421         ret = amdgpu_dpm_get_pp_num_states(adev, &data);
 422
 423         pm_runtime_mark_last_busy(ddev->dev);
 424         pm_runtime_put_autosuspend(ddev->dev);
 425
 426         if (ret)
 427                 return ret;
 428
 429         for (i = 0; i < data.nums; i++) {
 430                 if (pm == data.states[i])
 431                         break;
 432         }
 433
 434         if (i == data.nums)
 435                 i = -EINVAL;
 436
 437         return sysfs_emit(buf, "%d\n", i);
 438 }
 439
 440 static ssize_t amdgpu_get_pp_force_state(struct device *dev,
 441                 struct device_attribute *attr,
 442                 char *buf)
 443 {
 444         struct drm_device *ddev = dev_get_drvdata(dev);
 445         struct amdgpu_device *adev = drm_to_adev(ddev);
 446
 447         if (amdgpu_in_reset(adev))
 448                 return -EPERM;
 449         if (adev->in_suspend && !adev->in_runpm)
 450                 return -EPERM;
 451
 452         if (adev->pm.pp_force_state_enabled)
 453                 return amdgpu_get_pp_cur_state(dev, attr, buf);
 454         else
 455                 return sysfs_emit(buf, "\n");
 456 }
 457
 458 static ssize_t amdgpu_set_pp_force_state(struct device *dev,
 459                 struct device_attribute *attr,
 460                 const char *buf,
 461                 size_t count)
 462 {
 463         struct drm_device *ddev = dev_get_drvdata(dev);
 464         struct amdgpu_device *adev = drm_to_adev(ddev);
 465         enum amd_pm_state_type state = 0;
 466         struct pp_states_info data;
 467         unsigned long idx;
 468         int ret;
 469
 470         if (amdgpu_in_reset(adev))
 471                 return -EPERM;
 472         if (adev->in_suspend && !adev->in_runpm)
 473                 return -EPERM;
 474
 475         adev->pm.pp_force_state_enabled = false;
 476
 477         if (strlen(buf) == 1)
 478                 return count;
 479
 480         ret = kstrtoul(buf, 0, &idx);
 481         if (ret || idx >= ARRAY_SIZE(data.states))
 482                 return -EINVAL;
 483
 484         idx = array_index_nospec(idx, ARRAY_SIZE(data.states));
 485
 486         ret = pm_runtime_get_sync(ddev->dev);
 487         if (ret < 0) {
 488                 pm_runtime_put_autosuspend(ddev->dev);
 489                 return ret;
 490         }
 491
 492         ret = amdgpu_dpm_get_pp_num_states(adev, &data);
 493         if (ret)
 494                 goto err_out;
 495
 496         state = data.states[idx];
 497
 498         /* only set user selected power states */
 499         if (state != POWER_STATE_TYPE_INTERNAL_BOOT &&
 500             state != POWER_STATE_TYPE_DEFAULT) {
 501                 ret = amdgpu_dpm_dispatch_task(adev,
 502                                 AMD_PP_TASK_ENABLE_USER_STATE, &state);
 503                 if (ret)
 504                         goto err_out;
 505
 506                 adev->pm.pp_force_state_enabled = true;
 507         }
 508
 509         pm_runtime_mark_last_busy(ddev->dev);
 510         pm_runtime_put_autosuspend(ddev->dev);
 511
 512         return count;
 513
 514 err_out:
 515         pm_runtime_mark_last_busy(ddev->dev);
 516         pm_runtime_put_autosuspend(ddev->dev);
 517         return ret;
 518 }
 519
 520 /**
 521  * DOC: pp_table
 522  *
 523  * The amdgpu driver provides a sysfs API for uploading new powerplay
 524  * tables.  The file pp_table is used for this.  Reading the file
 525  * will dump the current power play table.  Writing to the file
 526  * will attempt to upload a new powerplay table and re-initialize
 527  * powerplay using that new table.
 528  *
 529  */
 530
 531 static ssize_t amdgpu_get_pp_table(struct device *dev,
 532                 struct device_attribute *attr,
 533                 char *buf)
 534 {
 535         struct drm_device *ddev = dev_get_drvdata(dev);
 536         struct amdgpu_device *adev = drm_to_adev(ddev);
 537         char *table = NULL;
 538         int size, ret;
 539
 540         if (amdgpu_in_reset(adev))
 541                 return -EPERM;
 542         if (adev->in_suspend && !adev->in_runpm)
 543                 return -EPERM;
 544
 545         ret = pm_runtime_get_sync(ddev->dev);
 546         if (ret < 0) {
 547                 pm_runtime_put_autosuspend(ddev->dev);
 548                 return ret;
 549         }
 550
 551         size = amdgpu_dpm_get_pp_table(adev, &table);
 552
 553         pm_runtime_mark_last_busy(ddev->dev);
 554         pm_runtime_put_autosuspend(ddev->dev);
 555
 556         if (size <= 0)
 557                 return size;
 558
 559         if (size >= PAGE_SIZE)
 560                 size = PAGE_SIZE - 1;
 561
 562         memcpy(buf, table, size);
 563
 564         return size;
 565 }
 566
 567 static ssize_t amdgpu_set_pp_table(struct device *dev,
 568                 struct device_attribute *attr,
 569                 const char *buf,
 570                 size_t count)
 571 {
 572         struct drm_device *ddev = dev_get_drvdata(dev);
 573         struct amdgpu_device *adev = drm_to_adev(ddev);
 574         int ret = 0;
 575
 576         if (amdgpu_in_reset(adev))
 577                 return -EPERM;
 578         if (adev->in_suspend && !adev->in_runpm)
 579                 return -EPERM;
 580
 581         ret = pm_runtime_get_sync(ddev->dev);
 582         if (ret < 0) {
 583                 pm_runtime_put_autosuspend(ddev->dev);
 584                 return ret;
 585         }
 586
 587         ret = amdgpu_dpm_set_pp_table(adev, buf, count);
 588
 589         pm_runtime_mark_last_busy(ddev->dev);
 590         pm_runtime_put_autosuspend(ddev->dev);
 591
 592         if (ret)
 593                 return ret;
 594
 595         return count;
 596 }
 597
 598 /**
 599  * DOC: pp_od_clk_voltage
 600  *
 601  * The amdgpu driver provides a sysfs API for adjusting the clocks and voltages
 602  * in each power level within a power state.  The pp_od_clk_voltage is used for
 603  * this.
 604  *
 605  * Note that the actual memory controller clock rate are exposed, not
 606  * the effective memory clock of the DRAMs. To translate it, use the
 607  * following formula:
 608  *
 609  * Clock conversion (Mhz):
 610  *
 611  * HBM: effective_memory_clock = memory_controller_clock * 1
 612  *
 613  * G5: effective_memory_clock = memory_controller_clock * 1
 614  *
 615  * G6: effective_memory_clock = memory_controller_clock * 2
 616  *
 617  * DRAM data rate (MT/s):
 618  *
 619  * HBM: effective_memory_clock * 2 = data_rate
 620  *
 621  * G5: effective_memory_clock * 4 = data_rate
 622  *
 623  * G6: effective_memory_clock * 8 = data_rate
 624  *
 625  * Bandwidth (MB/s):
 626  *
 627  * data_rate * vram_bit_width / 8 = memory_bandwidth
 628  *
 629  * Some examples:
 630  *
 631  * G5 on RX460:
 632  *
 633  * memory_controller_clock = 1750 Mhz
 634  *
 635  * effective_memory_clock = 1750 Mhz * 1 = 1750 Mhz
 636  *
 637  * data rate = 1750 * 4 = 7000 MT/s
 638  *
 639  * memory_bandwidth = 7000 * 128 bits / 8 = 112000 MB/s
 640  *
 641  * G6 on RX5700:
 642  *
 643  * memory_controller_clock = 875 Mhz
 644  *
 645  * effective_memory_clock = 875 Mhz * 2 = 1750 Mhz
 646  *
 647  * data rate = 1750 * 8 = 14000 MT/s
 648  *
 649  * memory_bandwidth = 14000 * 256 bits / 8 = 448000 MB/s
 650  *
 651  * < For Vega10 and previous ASICs >
 652  *
 653  * Reading the file will display:
 654  *
 655  * - a list of engine clock levels and voltages labeled OD_SCLK
 656  *
 657  * - a list of memory clock levels and voltages labeled OD_MCLK
 658  *
 659  * - a list of valid ranges for sclk, mclk, and voltage labeled OD_RANGE
 660  *
 661  * To manually adjust these settings, first select manual using
 662  * power_dpm_force_performance_level. Enter a new value for each
 663  * level by writing a string that contains "s/m level clock voltage" to
 664  * the file.  E.g., "s 1 500 820" will update sclk level 1 to be 500 MHz
 665  * at 820 mV; "m 0 350 810" will update mclk level 0 to be 350 MHz at
 666  * 810 mV.  When you have edited all of the states as needed, write
 667  * "c" (commit) to the file to commit your changes.  If you want to reset to the
 668  * default power levels, write "r" (reset) to the file to reset them.
 669  *
 670  *
 671  * < For Vega20 and newer ASICs >
 672  *
 673  * Reading the file will display:
 674  *
 675  * - minimum and maximum engine clock labeled OD_SCLK
 676  *
 677  * - minimum(not available for Vega20 and Navi1x) and maximum memory
 678  *   clock labeled OD_MCLK
 679  *
 680  * - three <frequency, voltage> points labeled OD_VDDC_CURVE.
 681  *   They can be used to calibrate the sclk voltage curve.
 682  *
 683  * - voltage offset(in mV) applied on target voltage calculation.
 684  *   This is available for Sienna Cichlid, Navy Flounder and Dimgrey
 685  *   Cavefish. For these ASICs, the target voltage calculation can be
 686  *   illustrated by "voltage = voltage calculated from v/f curve +
 687  *   overdrive vddgfx offset"
 688  *
 689  * - a list of valid ranges for sclk, mclk, and voltage curve points
 690  *   labeled OD_RANGE
 691  *
 692  * < For APUs >
 693  *
 694  * Reading the file will display:
 695  *
 696  * - minimum and maximum engine clock labeled OD_SCLK
 697  *
 698  * - a list of valid ranges for sclk labeled OD_RANGE
 699  *
 700  * < For VanGogh >
 701  *
 702  * Reading the file will display:
 703  *
 704  * - minimum and maximum engine clock labeled OD_SCLK
 705  * - minimum and maximum core clocks labeled OD_CCLK
 706  *
 707  * - a list of valid ranges for sclk and cclk labeled OD_RANGE
 708  *
 709  * To manually adjust these settings:
 710  *
 711  * - First select manual using power_dpm_force_performance_level
 712  *
 713  * - For clock frequency setting, enter a new value by writing a
 714  *   string that contains "s/m index clock" to the file. The index
 715  *   should be 0 if to set minimum clock. And 1 if to set maximum
 716  *   clock. E.g., "s 0 500" will update minimum sclk to be 500 MHz.
 717  *   "m 1 800" will update maximum mclk to be 800Mhz. For core
 718  *   clocks on VanGogh, the string contains "p core index clock".
 719  *   E.g., "p 2 0 800" would set the minimum core clock on core
 720  *   2 to 800Mhz.
 721  *
 722  *   For sclk voltage curve, enter the new values by writing a
 723  *   string that contains "vc point clock voltage" to the file. The
 724  *   points are indexed by 0, 1 and 2. E.g., "vc 0 300 600" will
 725  *   update point1 with clock set as 300Mhz and voltage as
 726  *   600mV. "vc 2 1000 1000" will update point3 with clock set
 727  *   as 1000Mhz and voltage 1000mV.
 728  *
 729  *   To update the voltage offset applied for gfxclk/voltage calculation,
 730  *   enter the new value by writing a string that contains "vo offset".
 731  *   This is supported by Sienna Cichlid, Navy Flounder and Dimgrey Cavefish.
 732  *   And the offset can be a positive or negative value.
 733  *
 734  * - When you have edited all of the states as needed, write "c" (commit)
 735  *   to the file to commit your changes
 736  *
 737  * - If you want to reset to the default power levels, write "r" (reset)
 738  *   to the file to reset them
 739  *
 740  */
 741
 742 static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
 743                 struct device_attribute *attr,
 744                 const char *buf,
 745                 size_t count)
 746 {
 747         struct drm_device *ddev = dev_get_drvdata(dev);
 748         struct amdgpu_device *adev = drm_to_adev(ddev);
 749         int ret;
 750         uint32_t parameter_size = 0;
 751         long parameter[64];
 752         char buf_cpy[128];
 753         char *tmp_str;
 754         char *sub_str;
 755         const char delimiter[3] = {' ', '\n', '\0'};
 756         uint32_t type;
 757
 758         if (amdgpu_in_reset(adev))
 759                 return -EPERM;
 760         if (adev->in_suspend && !adev->in_runpm)
 761                 return -EPERM;
 762
 763         if (count > 127)
 764                 return -EINVAL;
 765
 766         if (*buf == 's')
 767                 type = PP_OD_EDIT_SCLK_VDDC_TABLE;
 768         else if (*buf == 'p')
 769                 type = PP_OD_EDIT_CCLK_VDDC_TABLE;
 770         else if (*buf == 'm')
 771                 type = PP_OD_EDIT_MCLK_VDDC_TABLE;
 772         else if(*buf == 'r')
 773                 type = PP_OD_RESTORE_DEFAULT_TABLE;
 774         else if (*buf == 'c')
 775                 type = PP_OD_COMMIT_DPM_TABLE;
 776         else if (!strncmp(buf, "vc", 2))
 777                 type = PP_OD_EDIT_VDDC_CURVE;
 778         else if (!strncmp(buf, "vo", 2))
 779                 type = PP_OD_EDIT_VDDGFX_OFFSET;
 780         else
 781                 return -EINVAL;
 782
 783         memcpy(buf_cpy, buf, count+1);
 784
 785         tmp_str = buf_cpy;
 786
 787         if ((type == PP_OD_EDIT_VDDC_CURVE) ||
 788              (type == PP_OD_EDIT_VDDGFX_OFFSET))
 789                 tmp_str++;
 790         while (isspace(*++tmp_str));
 791
 792         while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
 793                 if (strlen(sub_str) == 0)
 794                         continue;
 795                 ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
 796                 if (ret)
 797                         return -EINVAL;
 798                 parameter_size++;
 799
 800                 while (isspace(*tmp_str))
 801                         tmp_str++;
 802         }
 803
 804         ret = pm_runtime_get_sync(ddev->dev);
 805         if (ret < 0) {
 806                 pm_runtime_put_autosuspend(ddev->dev);
 807                 return ret;
 808         }
 809
 810         if (amdgpu_dpm_set_fine_grain_clk_vol(adev,
 811                                               type,
 812                                               parameter,
 813                                               parameter_size))
 814                 goto err_out;
 815
 816         if (amdgpu_dpm_odn_edit_dpm_table(adev, type,
 817                                           parameter, parameter_size))
 818                 goto err_out;
 819
 820         if (type == PP_OD_COMMIT_DPM_TABLE) {
 821                 if (amdgpu_dpm_dispatch_task(adev,
 822                                              AMD_PP_TASK_READJUST_POWER_STATE,
 823                                              NULL))
 824                         goto err_out;
 825         }
 826
 827         pm_runtime_mark_last_busy(ddev->dev);
 828         pm_runtime_put_autosuspend(ddev->dev);
 829
 830         return count;
 831
 832 err_out:
 833         pm_runtime_mark_last_busy(ddev->dev);
 834         pm_runtime_put_autosuspend(ddev->dev);
 835         return -EINVAL;
 836 }
 837
 838 static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
 839                 struct device_attribute *attr,
 840                 char *buf)
 841 {
 842         struct drm_device *ddev = dev_get_drvdata(dev);
 843         struct amdgpu_device *adev = drm_to_adev(ddev);
 844         int size = 0;
 845         int ret;
 846         enum pp_clock_type od_clocks[6] = {
 847                 OD_SCLK,
 848                 OD_MCLK,
 849                 OD_VDDC_CURVE,
 850                 OD_RANGE,
 851                 OD_VDDGFX_OFFSET,
 852                 OD_CCLK,
 853         };
 854         uint clk_index;
 855
 856         if (amdgpu_in_reset(adev))
 857                 return -EPERM;
 858         if (adev->in_suspend && !adev->in_runpm)
 859                 return -EPERM;
 860
 861         ret = pm_runtime_get_sync(ddev->dev);
 862         if (ret < 0) {
 863                 pm_runtime_put_autosuspend(ddev->dev);
 864                 return ret;
 865         }
 866
 867         for (clk_index = 0 ; clk_index < 6 ; clk_index++) {
 868                 ret = amdgpu_dpm_emit_clock_levels(adev, od_clocks[clk_index], buf, &size);
 869                 if (ret)
 870                         break;
 871         }
 872         if (ret == -ENOENT) {
 873                 size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf);
 874                 if (size > 0) {
 875                         size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf + size);
 876                         size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf + size);
 877                         size += amdgpu_dpm_print_clock_levels(adev, OD_VDDGFX_OFFSET, buf + size);
 878                         size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf + size);
 879                         size += amdgpu_dpm_print_clock_levels(adev, OD_CCLK, buf + size);
 880                 }
 881         }
 882
 883         if (size == 0)
 884                 size = sysfs_emit(buf, "\n");
 885
 886         pm_runtime_mark_last_busy(ddev->dev);
 887         pm_runtime_put_autosuspend(ddev->dev);
 888
 889         return size;
 890 }
 891
 892 /**
 893  * DOC: pp_features
 894  *
 895  * The amdgpu driver provides a sysfs API for adjusting what powerplay
 896  * features to be enabled. The file pp_features is used for this. And
 897  * this is only available for Vega10 and later dGPUs.
 898  *
 899  * Reading back the file will show you the followings:
 900  * - Current ppfeature masks
 901  * - List of the all supported powerplay features with their naming,
 902  *   bitmasks and enablement status('Y'/'N' means "enabled"/"disabled").
 903  *
 904  * To manually enable or disable a specific feature, just set or clear
 905  * the corresponding bit from original ppfeature masks and input the
 906  * new ppfeature masks.
 907  */
 908 static ssize_t amdgpu_set_pp_features(struct device *dev,
 909                                       struct device_attribute *attr,
 910                                       const char *buf,
 911                                       size_t count)
 912 {
 913         struct drm_device *ddev = dev_get_drvdata(dev);
 914         struct amdgpu_device *adev = drm_to_adev(ddev);
 915         uint64_t featuremask;
 916         int ret;
 917
 918         if (amdgpu_in_reset(adev))
 919                 return -EPERM;
 920         if (adev->in_suspend && !adev->in_runpm)
 921                 return -EPERM;
 922
 923         ret = kstrtou64(buf, 0, &featuremask);
 924         if (ret)
 925                 return -EINVAL;
 926
 927         ret = pm_runtime_get_sync(ddev->dev);
 928         if (ret < 0) {
 929                 pm_runtime_put_autosuspend(ddev->dev);
 930                 return ret;
 931         }
 932
 933         ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
 934
 935         pm_runtime_mark_last_busy(ddev->dev);
 936         pm_runtime_put_autosuspend(ddev->dev);
 937
 938         if (ret)
 939                 return -EINVAL;
 940
 941         return count;
 942 }
 943
 944 static ssize_t amdgpu_get_pp_features(struct device *dev,
 945                                       struct device_attribute *attr,
 946                                       char *buf)
 947 {
 948         struct drm_device *ddev = dev_get_drvdata(dev);
 949         struct amdgpu_device *adev = drm_to_adev(ddev);
 950         ssize_t size;
 951         int ret;
 952
 953         if (amdgpu_in_reset(adev))
 954                 return -EPERM;
 955         if (adev->in_suspend && !adev->in_runpm)
 956                 return -EPERM;
 957
 958         ret = pm_runtime_get_sync(ddev->dev);
 959         if (ret < 0) {
 960                 pm_runtime_put_autosuspend(ddev->dev);
 961                 return ret;
 962         }
 963
 964         size = amdgpu_dpm_get_ppfeature_status(adev, buf);
 965         if (size <= 0)
 966                 size = sysfs_emit(buf, "\n");
 967
 968         pm_runtime_mark_last_busy(ddev->dev);
 969         pm_runtime_put_autosuspend(ddev->dev);
 970
 971         return size;
 972 }
 973
 974 /**
 975  * DOC: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie
 976  *
 977  * The amdgpu driver provides a sysfs API for adjusting what power levels
 978  * are enabled for a given power state.  The files pp_dpm_sclk, pp_dpm_mclk,
 979  * pp_dpm_socclk, pp_dpm_fclk, pp_dpm_dcefclk and pp_dpm_pcie are used for
 980  * this.
 981  *
 982  * pp_dpm_socclk and pp_dpm_dcefclk interfaces are only available for
 983  * Vega10 and later ASICs.
 984  * pp_dpm_fclk interface is only available for Vega20 and later ASICs.
 985  *
 986  * Reading back the files will show you the available power levels within
 987  * the power state and the clock information for those levels.
 988  *
 989  * To manually adjust these states, first select manual using
 990  * power_dpm_force_performance_level.
 991  * Secondly, enter a new value for each level by inputing a string that
 992  * contains " echo xx xx xx > pp_dpm_sclk/mclk/pcie"
 993  * E.g.,
 994  *
 995  * .. code-block:: bash
 996  *
 997  *      echo "4 5 6" > pp_dpm_sclk
 998  *
 999  * will enable sclk levels 4, 5, and 6.
1000  *
1001  * NOTE: change to the dcefclk max dpm level is not supported now
1002  */
1003
1004 static ssize_t amdgpu_get_pp_dpm_clock(struct device *dev,
1005                 enum pp_clock_type type,
1006                 char *buf)
1007 {
1008         struct drm_device *ddev = dev_get_drvdata(dev);
1009         struct amdgpu_device *adev = drm_to_adev(ddev);
1010         int size = 0;
1011         int ret = 0;
1012
1013         if (amdgpu_in_reset(adev))
1014                 return -EPERM;
1015         if (adev->in_suspend && !adev->in_runpm)
1016                 return -EPERM;
1017
1018         ret = pm_runtime_get_sync(ddev->dev);
1019         if (ret < 0) {
1020                 pm_runtime_put_autosuspend(ddev->dev);
1021                 return ret;
1022         }
1023
1024         ret = amdgpu_dpm_emit_clock_levels(adev, type, buf, &size);
1025         if (ret == -ENOENT)
1026                 size = amdgpu_dpm_print_clock_levels(adev, type, buf);
1027
1028         if (size == 0)
1029                 size = sysfs_emit(buf, "\n");
1030
1031         pm_runtime_mark_last_busy(ddev->dev);
1032         pm_runtime_put_autosuspend(ddev->dev);
1033
1034         return size;
1035 }
1036
1037 /*
1038  * Worst case: 32 bits individually specified, in octal at 12 characters
1039  * per line (+1 for \n).
1040  */
1041 #define AMDGPU_MASK_BUF_MAX     (32 * 13)
1042
1043 static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
1044 {
1045         int ret;
1046         unsigned long level;
1047         char *sub_str = NULL;
1048         char *tmp;
1049         char buf_cpy[AMDGPU_MASK_BUF_MAX + 1];
1050         const char delimiter[3] = {' ', '\n', '\0'};
1051         size_t bytes;
1052
1053         *mask = 0;
1054
1055         bytes = min(count, sizeof(buf_cpy) - 1);
1056         memcpy(buf_cpy, buf, bytes);
1057         buf_cpy[bytes] = '\0';
1058         tmp = buf_cpy;
1059         while ((sub_str = strsep(&tmp, delimiter)) != NULL) {
1060                 if (strlen(sub_str)) {
1061                         ret = kstrtoul(sub_str, 0, &level);
1062                         if (ret || level > 31)
1063                                 return -EINVAL;
1064                         *mask |= 1 << level;
1065                 } else
1066                         break;
1067         }
1068
1069         return 0;
1070 }
1071
1072 static ssize_t amdgpu_set_pp_dpm_clock(struct device *dev,
1073                 enum pp_clock_type type,
1074                 const char *buf,
1075                 size_t count)
1076 {
1077         struct drm_device *ddev = dev_get_drvdata(dev);
1078         struct amdgpu_device *adev = drm_to_adev(ddev);
1079         int ret;
1080         uint32_t mask = 0;
1081
1082         if (amdgpu_in_reset(adev))
1083                 return -EPERM;
1084         if (adev->in_suspend && !adev->in_runpm)
1085                 return -EPERM;
1086
1087         ret = amdgpu_read_mask(buf, count, &mask);
1088         if (ret)
1089                 return ret;
1090
1091         ret = pm_runtime_get_sync(ddev->dev);
1092         if (ret < 0) {
1093                 pm_runtime_put_autosuspend(ddev->dev);
1094                 return ret;
1095         }
1096
1097         ret = amdgpu_dpm_force_clock_level(adev, type, mask);
1098
1099         pm_runtime_mark_last_busy(ddev->dev);
1100         pm_runtime_put_autosuspend(ddev->dev);
1101
1102         if (ret)
1103                 return -EINVAL;
1104
1105         return count;
1106 }
1107
1108 static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
1109                 struct device_attribute *attr,
1110                 char *buf)
1111 {
1112         return amdgpu_get_pp_dpm_clock(dev, PP_SCLK, buf);
1113 }
1114
1115 static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
1116                 struct device_attribute *attr,
1117                 const char *buf,
1118                 size_t count)
1119 {
1120         return amdgpu_set_pp_dpm_clock(dev, PP_SCLK, buf, count);
1121 }
1122
1123 static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
1124                 struct device_attribute *attr,
1125                 char *buf)
1126 {
1127         return amdgpu_get_pp_dpm_clock(dev, PP_MCLK, buf);
1128 }
1129
1130 static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
1131                 struct device_attribute *attr,
1132                 const char *buf,
1133                 size_t count)
1134 {
1135         return amdgpu_set_pp_dpm_clock(dev, PP_MCLK, buf, count);
1136 }
1137
1138 static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
1139                 struct device_attribute *attr,
1140                 char *buf)
1141 {
1142         return amdgpu_get_pp_dpm_clock(dev, PP_SOCCLK, buf);
1143 }
1144
1145 static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
1146                 struct device_attribute *attr,
1147                 const char *buf,
1148                 size_t count)
1149 {
1150         return amdgpu_set_pp_dpm_clock(dev, PP_SOCCLK, buf, count);
1151 }
1152
1153 static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
1154                 struct device_attribute *attr,
1155                 char *buf)
1156 {
1157         return amdgpu_get_pp_dpm_clock(dev, PP_FCLK, buf);
1158 }
1159
1160 static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
1161                 struct device_attribute *attr,
1162                 const char *buf,
1163                 size_t count)
1164 {
1165         return amdgpu_set_pp_dpm_clock(dev, PP_FCLK, buf, count);
1166 }
1167
1168 static ssize_t amdgpu_get_pp_dpm_vclk(struct device *dev,
1169                 struct device_attribute *attr,
1170                 char *buf)
1171 {
1172         return amdgpu_get_pp_dpm_clock(dev, PP_VCLK, buf);
1173 }
1174
1175 static ssize_t amdgpu_set_pp_dpm_vclk(struct device *dev,
1176                 struct device_attribute *attr,
1177                 const char *buf,
1178                 size_t count)
1179 {
1180         return amdgpu_set_pp_dpm_clock(dev, PP_VCLK, buf, count);
1181 }
1182
1183 static ssize_t amdgpu_get_pp_dpm_vclk1(struct device *dev,
1184                 struct device_attribute *attr,
1185                 char *buf)
1186 {
1187         return amdgpu_get_pp_dpm_clock(dev, PP_VCLK1, buf);
1188 }
1189
1190 static ssize_t amdgpu_set_pp_dpm_vclk1(struct device *dev,
1191                 struct device_attribute *attr,
1192                 const char *buf,
1193                 size_t count)
1194 {
1195         return amdgpu_set_pp_dpm_clock(dev, PP_VCLK1, buf, count);
1196 }
1197
1198 static ssize_t amdgpu_get_pp_dpm_dclk(struct device *dev,
1199                 struct device_attribute *attr,
1200                 char *buf)
1201 {
1202         return amdgpu_get_pp_dpm_clock(dev, PP_DCLK, buf);
1203 }
1204
1205 static ssize_t amdgpu_set_pp_dpm_dclk(struct device *dev,
1206                 struct device_attribute *attr,
1207                 const char *buf,
1208                 size_t count)
1209 {
1210         return amdgpu_set_pp_dpm_clock(dev, PP_DCLK, buf, count);
1211 }
1212
1213 static ssize_t amdgpu_get_pp_dpm_dclk1(struct device *dev,
1214                 struct device_attribute *attr,
1215                 char *buf)
1216 {
1217         return amdgpu_get_pp_dpm_clock(dev, PP_DCLK1, buf);
1218 }
1219
1220 static ssize_t amdgpu_set_pp_dpm_dclk1(struct device *dev,
1221                 struct device_attribute *attr,
1222                 const char *buf,
1223                 size_t count)
1224 {
1225         return amdgpu_set_pp_dpm_clock(dev, PP_DCLK1, buf, count);
1226 }
1227
1228 static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
1229                 struct device_attribute *attr,
1230                 char *buf)
1231 {
1232         return amdgpu_get_pp_dpm_clock(dev, PP_DCEFCLK, buf);
1233 }
1234
1235 static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
1236                 struct device_attribute *attr,
1237                 const char *buf,
1238                 size_t count)
1239 {
1240         return amdgpu_set_pp_dpm_clock(dev, PP_DCEFCLK, buf, count);
1241 }
1242
1243 static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
1244                 struct device_attribute *attr,
1245                 char *buf)
1246 {
1247         return amdgpu_get_pp_dpm_clock(dev, PP_PCIE, buf);
1248 }
1249
1250 static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
1251                 struct device_attribute *attr,
1252                 const char *buf,
1253                 size_t count)
1254 {
1255         return amdgpu_set_pp_dpm_clock(dev, PP_PCIE, buf, count);
1256 }
1257
1258 static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
1259                 struct device_attribute *attr,
1260                 char *buf)
1261 {
1262         struct drm_device *ddev = dev_get_drvdata(dev);
1263         struct amdgpu_device *adev = drm_to_adev(ddev);
1264         uint32_t value = 0;
1265         int ret;
1266
1267         if (amdgpu_in_reset(adev))
1268                 return -EPERM;
1269         if (adev->in_suspend && !adev->in_runpm)
1270                 return -EPERM;
1271
1272         ret = pm_runtime_get_sync(ddev->dev);
1273         if (ret < 0) {
1274                 pm_runtime_put_autosuspend(ddev->dev);
1275                 return ret;
1276         }
1277
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         amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
1313
1314         pm_runtime_mark_last_busy(ddev->dev);
1315         pm_runtime_put_autosuspend(ddev->dev);
1316
1317         return count;
1318 }
1319
1320 static ssize_t amdgpu_get_pp_mclk_od(struct device *dev,
1321                 struct device_attribute *attr,
1322                 char *buf)
1323 {
1324         struct drm_device *ddev = dev_get_drvdata(dev);
1325         struct amdgpu_device *adev = drm_to_adev(ddev);
1326         uint32_t value = 0;
1327         int ret;
1328
1329         if (amdgpu_in_reset(adev))
1330                 return -EPERM;
1331         if (adev->in_suspend && !adev->in_runpm)
1332                 return -EPERM;
1333
1334         ret = pm_runtime_get_sync(ddev->dev);
1335         if (ret < 0) {
1336                 pm_runtime_put_autosuspend(ddev->dev);
1337                 return ret;
1338         }
1339
1340         value = amdgpu_dpm_get_mclk_od(adev);
1341
1342         pm_runtime_mark_last_busy(ddev->dev);
1343         pm_runtime_put_autosuspend(ddev->dev);
1344
1345         return sysfs_emit(buf, "%d\n", value);
1346 }
1347
1348 static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
1349                 struct device_attribute *attr,
1350                 const char *buf,
1351                 size_t count)
1352 {
1353         struct drm_device *ddev = dev_get_drvdata(dev);
1354         struct amdgpu_device *adev = drm_to_adev(ddev);
1355         int ret;
1356         long int value;
1357
1358         if (amdgpu_in_reset(adev))
1359                 return -EPERM;
1360         if (adev->in_suspend && !adev->in_runpm)
1361                 return -EPERM;
1362
1363         ret = kstrtol(buf, 0, &value);
1364
1365         if (ret)
1366                 return -EINVAL;
1367
1368         ret = pm_runtime_get_sync(ddev->dev);
1369         if (ret < 0) {
1370                 pm_runtime_put_autosuspend(ddev->dev);
1371                 return ret;
1372         }
1373
1374         amdgpu_dpm_set_mclk_od(adev, (uint32_t)value);
1375
1376         pm_runtime_mark_last_busy(ddev->dev);
1377         pm_runtime_put_autosuspend(ddev->dev);
1378
1379         return count;
1380 }
1381
1382 /**
1383  * DOC: pp_power_profile_mode
1384  *
1385  * The amdgpu driver provides a sysfs API for adjusting the heuristics
1386  * related to switching between power levels in a power state.  The file
1387  * pp_power_profile_mode is used for this.
1388  *
1389  * Reading this file outputs a list of all of the predefined power profiles
1390  * and the relevant heuristics settings for that profile.
1391  *
1392  * To select a profile or create a custom profile, first select manual using
1393  * power_dpm_force_performance_level.  Writing the number of a predefined
1394  * profile to pp_power_profile_mode will enable those heuristics.  To
1395  * create a custom set of heuristics, write a string of numbers to the file
1396  * starting with the number of the custom profile along with a setting
1397  * for each heuristic parameter.  Due to differences across asic families
1398  * the heuristic parameters vary from family to family.
1399  *
1400  */
1401
1402 static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev,
1403                 struct device_attribute *attr,
1404                 char *buf)
1405 {
1406         struct drm_device *ddev = dev_get_drvdata(dev);
1407         struct amdgpu_device *adev = drm_to_adev(ddev);
1408         ssize_t size;
1409         int ret;
1410
1411         if (amdgpu_in_reset(adev))
1412                 return -EPERM;
1413         if (adev->in_suspend && !adev->in_runpm)
1414                 return -EPERM;
1415
1416         ret = pm_runtime_get_sync(ddev->dev);
1417         if (ret < 0) {
1418                 pm_runtime_put_autosuspend(ddev->dev);
1419                 return ret;
1420         }
1421
1422         size = amdgpu_dpm_get_power_profile_mode(adev, buf);
1423         if (size <= 0)
1424                 size = sysfs_emit(buf, "\n");
1425
1426         pm_runtime_mark_last_busy(ddev->dev);
1427         pm_runtime_put_autosuspend(ddev->dev);
1428
1429         return size;
1430 }
1431
1432
1433 static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
1434                 struct device_attribute *attr,
1435                 const char *buf,
1436                 size_t count)
1437 {
1438         int ret;
1439         struct drm_device *ddev = dev_get_drvdata(dev);
1440         struct amdgpu_device *adev = drm_to_adev(ddev);
1441         uint32_t parameter_size = 0;
1442         long parameter[64];
1443         char *sub_str, buf_cpy[128];
1444         char *tmp_str;
1445         uint32_t i = 0;
1446         char tmp[2];
1447         long int profile_mode = 0;
1448         const char delimiter[3] = {' ', '\n', '\0'};
1449
1450         if (amdgpu_in_reset(adev))
1451                 return -EPERM;
1452         if (adev->in_suspend && !adev->in_runpm)
1453                 return -EPERM;
1454
1455         tmp[0] = *(buf);
1456         tmp[1] = '\0';
1457         ret = kstrtol(tmp, 0, &profile_mode);
1458         if (ret)
1459                 return -EINVAL;
1460
1461         if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
1462                 if (count < 2 || count > 127)
1463                         return -EINVAL;
1464                 while (isspace(*++buf))
1465                         i++;
1466                 memcpy(buf_cpy, buf, count-i);
1467                 tmp_str = buf_cpy;
1468                 while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
1469                         if (strlen(sub_str) == 0)
1470                                 continue;
1471                         ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
1472                         if (ret)
1473                                 return -EINVAL;
1474                         parameter_size++;
1475                         while (isspace(*tmp_str))
1476                                 tmp_str++;
1477                 }
1478         }
1479         parameter[parameter_size] = profile_mode;
1480
1481         ret = pm_runtime_get_sync(ddev->dev);
1482         if (ret < 0) {
1483                 pm_runtime_put_autosuspend(ddev->dev);
1484                 return ret;
1485         }
1486
1487         ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size);
1488
1489         pm_runtime_mark_last_busy(ddev->dev);
1490         pm_runtime_put_autosuspend(ddev->dev);
1491
1492         if (!ret)
1493                 return count;
1494
1495         return -EINVAL;
1496 }
1497
1498 /**
1499  * DOC: gpu_busy_percent
1500  *
1501  * The amdgpu driver provides a sysfs API for reading how busy the GPU
1502  * is as a percentage.  The file gpu_busy_percent is used for this.
1503  * The SMU firmware computes a percentage of load based on the
1504  * aggregate activity level in the IP cores.
1505  */
1506 static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
1507                                            struct device_attribute *attr,
1508                                            char *buf)
1509 {
1510         struct drm_device *ddev = dev_get_drvdata(dev);
1511         struct amdgpu_device *adev = drm_to_adev(ddev);
1512         int r, value, size = sizeof(value);
1513
1514         if (amdgpu_in_reset(adev))
1515                 return -EPERM;
1516         if (adev->in_suspend && !adev->in_runpm)
1517                 return -EPERM;
1518
1519         r = pm_runtime_get_sync(ddev->dev);
1520         if (r < 0) {
1521                 pm_runtime_put_autosuspend(ddev->dev);
1522                 return r;
1523         }
1524
1525         /* read the IP busy sensor */
1526         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD,
1527                                    (void *)&value, &size);
1528
1529         pm_runtime_mark_last_busy(ddev->dev);
1530         pm_runtime_put_autosuspend(ddev->dev);
1531
1532         if (r)
1533                 return r;
1534
1535         return sysfs_emit(buf, "%d\n", value);
1536 }
1537
1538 /**
1539  * DOC: mem_busy_percent
1540  *
1541  * The amdgpu driver provides a sysfs API for reading how busy the VRAM
1542  * is as a percentage.  The file mem_busy_percent is used for this.
1543  * The SMU firmware computes a percentage of load based on the
1544  * aggregate activity level in the IP cores.
1545  */
1546 static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
1547                                            struct device_attribute *attr,
1548                                            char *buf)
1549 {
1550         struct drm_device *ddev = dev_get_drvdata(dev);
1551         struct amdgpu_device *adev = drm_to_adev(ddev);
1552         int r, value, size = sizeof(value);
1553
1554         if (amdgpu_in_reset(adev))
1555                 return -EPERM;
1556         if (adev->in_suspend && !adev->in_runpm)
1557                 return -EPERM;
1558
1559         r = pm_runtime_get_sync(ddev->dev);
1560         if (r < 0) {
1561                 pm_runtime_put_autosuspend(ddev->dev);
1562                 return r;
1563         }
1564
1565         /* read the IP busy sensor */
1566         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD,
1567                                    (void *)&value, &size);
1568
1569         pm_runtime_mark_last_busy(ddev->dev);
1570         pm_runtime_put_autosuspend(ddev->dev);
1571
1572         if (r)
1573                 return r;
1574
1575         return sysfs_emit(buf, "%d\n", value);
1576 }
1577
1578 /**
1579  * DOC: pcie_bw
1580  *
1581  * The amdgpu driver provides a sysfs API for estimating how much data
1582  * has been received and sent by the GPU in the last second through PCIe.
1583  * The file pcie_bw is used for this.
1584  * The Perf counters count the number of received and sent messages and return
1585  * those values, as well as the maximum payload size of a PCIe packet (mps).
1586  * Note that it is not possible to easily and quickly obtain the size of each
1587  * packet transmitted, so we output the max payload size (mps) to allow for
1588  * quick estimation of the PCIe bandwidth usage
1589  */
1590 static ssize_t amdgpu_get_pcie_bw(struct device *dev,
1591                 struct device_attribute *attr,
1592                 char *buf)
1593 {
1594         struct drm_device *ddev = dev_get_drvdata(dev);
1595         struct amdgpu_device *adev = drm_to_adev(ddev);
1596         uint64_t count0 = 0, count1 = 0;
1597         int ret;
1598
1599         if (amdgpu_in_reset(adev))
1600                 return -EPERM;
1601         if (adev->in_suspend && !adev->in_runpm)
1602                 return -EPERM;
1603
1604         if (adev->flags & AMD_IS_APU)
1605                 return -ENODATA;
1606
1607         if (!adev->asic_funcs->get_pcie_usage)
1608                 return -ENODATA;
1609
1610         ret = pm_runtime_get_sync(ddev->dev);
1611         if (ret < 0) {
1612                 pm_runtime_put_autosuspend(ddev->dev);
1613                 return ret;
1614         }
1615
1616         amdgpu_asic_get_pcie_usage(adev, &count0, &count1);
1617
1618         pm_runtime_mark_last_busy(ddev->dev);
1619         pm_runtime_put_autosuspend(ddev->dev);
1620
1621         return sysfs_emit(buf, "%llu %llu %i\n",
1622                           count0, count1, pcie_get_mps(adev->pdev));
1623 }
1624
1625 /**
1626  * DOC: unique_id
1627  *
1628  * The amdgpu driver provides a sysfs API for providing a unique ID for the GPU
1629  * The file unique_id is used for this.
1630  * This will provide a Unique ID that will persist from machine to machine
1631  *
1632  * NOTE: This will only work for GFX9 and newer. This file will be absent
1633  * on unsupported ASICs (GFX8 and older)
1634  */
1635 static ssize_t amdgpu_get_unique_id(struct device *dev,
1636                 struct device_attribute *attr,
1637                 char *buf)
1638 {
1639         struct drm_device *ddev = dev_get_drvdata(dev);
1640         struct amdgpu_device *adev = drm_to_adev(ddev);
1641
1642         if (amdgpu_in_reset(adev))
1643                 return -EPERM;
1644         if (adev->in_suspend && !adev->in_runpm)
1645                 return -EPERM;
1646
1647         if (adev->unique_id)
1648                 return sysfs_emit(buf, "%016llx\n", adev->unique_id);
1649
1650         return 0;
1651 }
1652
1653 /**
1654  * DOC: thermal_throttling_logging
1655  *
1656  * Thermal throttling pulls down the clock frequency and thus the performance.
1657  * It's an useful mechanism to protect the chip from overheating. Since it
1658  * impacts performance, the user controls whether it is enabled and if so,
1659  * the log frequency.
1660  *
1661  * Reading back the file shows you the status(enabled or disabled) and
1662  * the interval(in seconds) between each thermal logging.
1663  *
1664  * Writing an integer to the file, sets a new logging interval, in seconds.
1665  * The value should be between 1 and 3600. If the value is less than 1,
1666  * thermal logging is disabled. Values greater than 3600 are ignored.
1667  */
1668 static ssize_t amdgpu_get_thermal_throttling_logging(struct device *dev,
1669                                                      struct device_attribute *attr,
1670                                                      char *buf)
1671 {
1672         struct drm_device *ddev = dev_get_drvdata(dev);
1673         struct amdgpu_device *adev = drm_to_adev(ddev);
1674
1675         return sysfs_emit(buf, "%s: thermal throttling logging %s, with interval %d seconds\n",
1676                           adev_to_drm(adev)->unique,
1677                           atomic_read(&adev->throttling_logging_enabled) ? "enabled" : "disabled",
1678                           adev->throttling_logging_rs.interval / HZ + 1);
1679 }
1680
1681 static ssize_t amdgpu_set_thermal_throttling_logging(struct device *dev,
1682                                                      struct device_attribute *attr,
1683                                                      const char *buf,
1684                                                      size_t count)
1685 {
1686         struct drm_device *ddev = dev_get_drvdata(dev);
1687         struct amdgpu_device *adev = drm_to_adev(ddev);
1688         long throttling_logging_interval;
1689         unsigned long flags;
1690         int ret = 0;
1691
1692         ret = kstrtol(buf, 0, &throttling_logging_interval);
1693         if (ret)
1694                 return ret;
1695
1696         if (throttling_logging_interval > 3600)
1697                 return -EINVAL;
1698
1699         if (throttling_logging_interval > 0) {
1700                 raw_spin_lock_irqsave(&adev->throttling_logging_rs.lock, flags);
1701                 /*
1702                  * Reset the ratelimit timer internals.
1703                  * This can effectively restart the timer.
1704                  */
1705                 adev->throttling_logging_rs.interval =
1706                         (throttling_logging_interval - 1) * HZ;
1707                 adev->throttling_logging_rs.begin = 0;
1708                 adev->throttling_logging_rs.printed = 0;
1709                 adev->throttling_logging_rs.missed = 0;
1710                 raw_spin_unlock_irqrestore(&adev->throttling_logging_rs.lock, flags);
1711
1712                 atomic_set(&adev->throttling_logging_enabled, 1);
1713         } else {
1714                 atomic_set(&adev->throttling_logging_enabled, 0);
1715         }
1716
1717         return count;
1718 }
1719
1720 /**
1721  * DOC: apu_thermal_cap
1722  *
1723  * The amdgpu driver provides a sysfs API for retrieving/updating thermal
1724  * limit temperature in millidegrees Celsius
1725  *
1726  * Reading back the file shows you core limit value
1727  *
1728  * Writing an integer to the file, sets a new thermal limit. The value
1729  * should be between 0 and 100. If the value is less than 0 or greater
1730  * than 100, then the write request will be ignored.
1731  */
1732 static ssize_t amdgpu_get_apu_thermal_cap(struct device *dev,
1733                                          struct device_attribute *attr,
1734                                          char *buf)
1735 {
1736         int ret, size;
1737         u32 limit;
1738         struct drm_device *ddev = dev_get_drvdata(dev);
1739         struct amdgpu_device *adev = drm_to_adev(ddev);
1740
1741         ret = pm_runtime_get_sync(ddev->dev);
1742         if (ret < 0) {
1743                 pm_runtime_put_autosuspend(ddev->dev);
1744                 return ret;
1745         }
1746
1747         ret = amdgpu_dpm_get_apu_thermal_limit(adev, &limit);
1748         if (!ret)
1749                 size = sysfs_emit(buf, "%u\n", limit);
1750         else
1751                 size = sysfs_emit(buf, "failed to get thermal limit\n");
1752
1753         pm_runtime_mark_last_busy(ddev->dev);
1754         pm_runtime_put_autosuspend(ddev->dev);
1755
1756         return size;
1757 }
1758
1759 static ssize_t amdgpu_set_apu_thermal_cap(struct device *dev,
1760                                          struct device_attribute *attr,
1761                                          const char *buf,
1762                                          size_t count)
1763 {
1764         int ret;
1765         u32 value;
1766         struct drm_device *ddev = dev_get_drvdata(dev);
1767         struct amdgpu_device *adev = drm_to_adev(ddev);
1768
1769         ret = kstrtou32(buf, 10, &value);
1770         if (ret)
1771                 return ret;
1772
1773         if (value > 100) {
1774                 dev_err(dev, "Invalid argument !\n");
1775                 return -EINVAL;
1776         }
1777
1778         ret = pm_runtime_get_sync(ddev->dev);
1779         if (ret < 0) {
1780                 pm_runtime_put_autosuspend(ddev->dev);
1781                 return ret;
1782         }
1783
1784         ret = amdgpu_dpm_set_apu_thermal_limit(adev, value);
1785         if (ret) {
1786                 dev_err(dev, "failed to update thermal limit\n");
1787                 return ret;
1788         }
1789
1790         pm_runtime_mark_last_busy(ddev->dev);
1791         pm_runtime_put_autosuspend(ddev->dev);
1792
1793         return count;
1794 }
1795
1796 /**
1797  * DOC: gpu_metrics
1798  *
1799  * The amdgpu driver provides a sysfs API for retrieving current gpu
1800  * metrics data. The file gpu_metrics is used for this. Reading the
1801  * file will dump all the current gpu metrics data.
1802  *
1803  * These data include temperature, frequency, engines utilization,
1804  * power consume, throttler status, fan speed and cpu core statistics(
1805  * available for APU only). That's it will give a snapshot of all sensors
1806  * at the same time.
1807  */
1808 static ssize_t amdgpu_get_gpu_metrics(struct device *dev,
1809                                       struct device_attribute *attr,
1810                                       char *buf)
1811 {
1812         struct drm_device *ddev = dev_get_drvdata(dev);
1813         struct amdgpu_device *adev = drm_to_adev(ddev);
1814         void *gpu_metrics;
1815         ssize_t size = 0;
1816         int ret;
1817
1818         if (amdgpu_in_reset(adev))
1819                 return -EPERM;
1820         if (adev->in_suspend && !adev->in_runpm)
1821                 return -EPERM;
1822
1823         ret = pm_runtime_get_sync(ddev->dev);
1824         if (ret < 0) {
1825                 pm_runtime_put_autosuspend(ddev->dev);
1826                 return ret;
1827         }
1828
1829         size = amdgpu_dpm_get_gpu_metrics(adev, &gpu_metrics);
1830         if (size <= 0)
1831                 goto out;
1832
1833         if (size >= PAGE_SIZE)
1834                 size = PAGE_SIZE - 1;
1835
1836         memcpy(buf, gpu_metrics, size);
1837
1838 out:
1839         pm_runtime_mark_last_busy(ddev->dev);
1840         pm_runtime_put_autosuspend(ddev->dev);
1841
1842         return size;
1843 }
1844
1845 static int amdgpu_device_read_powershift(struct amdgpu_device *adev,
1846                                                 uint32_t *ss_power, bool dgpu_share)
1847 {
1848         struct drm_device *ddev = adev_to_drm(adev);
1849         uint32_t size;
1850         int r = 0;
1851
1852         if (amdgpu_in_reset(adev))
1853                 return -EPERM;
1854         if (adev->in_suspend && !adev->in_runpm)
1855                 return -EPERM;
1856
1857         r = pm_runtime_get_sync(ddev->dev);
1858         if (r < 0) {
1859                 pm_runtime_put_autosuspend(ddev->dev);
1860                 return r;
1861         }
1862
1863         if (dgpu_share)
1864                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
1865                                    (void *)ss_power, &size);
1866         else
1867                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
1868                                    (void *)ss_power, &size);
1869
1870         pm_runtime_mark_last_busy(ddev->dev);
1871         pm_runtime_put_autosuspend(ddev->dev);
1872         return r;
1873 }
1874
1875 static int amdgpu_show_powershift_percent(struct device *dev,
1876                                         char *buf, bool dgpu_share)
1877 {
1878         struct drm_device *ddev = dev_get_drvdata(dev);
1879         struct amdgpu_device *adev = drm_to_adev(ddev);
1880         uint32_t ss_power;
1881         int r = 0, i;
1882
1883         r = amdgpu_device_read_powershift(adev, &ss_power, dgpu_share);
1884         if (r == -EOPNOTSUPP) {
1885                 /* sensor not available on dGPU, try to read from APU */
1886                 adev = NULL;
1887                 mutex_lock(&mgpu_info.mutex);
1888                 for (i = 0; i < mgpu_info.num_gpu; i++) {
1889                         if (mgpu_info.gpu_ins[i].adev->flags & AMD_IS_APU) {
1890                                 adev = mgpu_info.gpu_ins[i].adev;
1891                                 break;
1892                         }
1893                 }
1894                 mutex_unlock(&mgpu_info.mutex);
1895                 if (adev)
1896                         r = amdgpu_device_read_powershift(adev, &ss_power, dgpu_share);
1897         }
1898
1899         if (!r)
1900                 r = sysfs_emit(buf, "%u%%\n", ss_power);
1901
1902         return r;
1903 }
1904 /**
1905  * DOC: smartshift_apu_power
1906  *
1907  * The amdgpu driver provides a sysfs API for reporting APU power
1908  * shift in percentage if platform supports smartshift. Value 0 means that
1909  * there is no powershift and values between [1-100] means that the power
1910  * is shifted to APU, the percentage of boost is with respect to APU power
1911  * limit on the platform.
1912  */
1913
1914 static ssize_t amdgpu_get_smartshift_apu_power(struct device *dev, struct device_attribute *attr,
1915                                                char *buf)
1916 {
1917         return amdgpu_show_powershift_percent(dev, buf, false);
1918 }
1919
1920 /**
1921  * DOC: smartshift_dgpu_power
1922  *
1923  * The amdgpu driver provides a sysfs API for reporting dGPU power
1924  * shift in percentage if platform supports smartshift. Value 0 means that
1925  * there is no powershift and values between [1-100] means that the power is
1926  * shifted to dGPU, the percentage of boost is with respect to dGPU power
1927  * limit on the platform.
1928  */
1929
1930 static ssize_t amdgpu_get_smartshift_dgpu_power(struct device *dev, struct device_attribute *attr,
1931                                                 char *buf)
1932 {
1933         return amdgpu_show_powershift_percent(dev, buf, true);
1934 }
1935
1936 /**
1937  * DOC: smartshift_bias
1938  *
1939  * The amdgpu driver provides a sysfs API for reporting the
1940  * smartshift(SS2.0) bias level. The value ranges from -100 to 100
1941  * and the default is 0. -100 sets maximum preference to APU
1942  * and 100 sets max perference to dGPU.
1943  */
1944
1945 static ssize_t amdgpu_get_smartshift_bias(struct device *dev,
1946                                           struct device_attribute *attr,
1947                                           char *buf)
1948 {
1949         int r = 0;
1950
1951         r = sysfs_emit(buf, "%d\n", amdgpu_smartshift_bias);
1952
1953         return r;
1954 }
1955
1956 static ssize_t amdgpu_set_smartshift_bias(struct device *dev,
1957                                           struct device_attribute *attr,
1958                                           const char *buf, size_t count)
1959 {
1960         struct drm_device *ddev = dev_get_drvdata(dev);
1961         struct amdgpu_device *adev = drm_to_adev(ddev);
1962         int r = 0;
1963         int bias = 0;
1964
1965         if (amdgpu_in_reset(adev))
1966                 return -EPERM;
1967         if (adev->in_suspend && !adev->in_runpm)
1968                 return -EPERM;
1969
1970         r = pm_runtime_get_sync(ddev->dev);
1971         if (r < 0) {
1972                 pm_runtime_put_autosuspend(ddev->dev);
1973                 return r;
1974         }
1975
1976         r = kstrtoint(buf, 10, &bias);
1977         if (r)
1978                 goto out;
1979
1980         if (bias > AMDGPU_SMARTSHIFT_MAX_BIAS)
1981                 bias = AMDGPU_SMARTSHIFT_MAX_BIAS;
1982         else if (bias < AMDGPU_SMARTSHIFT_MIN_BIAS)
1983                 bias = AMDGPU_SMARTSHIFT_MIN_BIAS;
1984
1985         amdgpu_smartshift_bias = bias;
1986         r = count;
1987
1988         /* TODO: update bias level with SMU message */
1989
1990 out:
1991         pm_runtime_mark_last_busy(ddev->dev);
1992         pm_runtime_put_autosuspend(ddev->dev);
1993         return r;
1994 }
1995
1996
1997 static int ss_power_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
1998                                 uint32_t mask, enum amdgpu_device_attr_states *states)
1999 {
2000         if (!amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
2001                 *states = ATTR_STATE_UNSUPPORTED;
2002
2003         return 0;
2004 }
2005
2006 static int ss_bias_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
2007                                uint32_t mask, enum amdgpu_device_attr_states *states)
2008 {
2009         uint32_t ss_power, size;
2010
2011         if (!amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
2012                 *states = ATTR_STATE_UNSUPPORTED;
2013         else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
2014                  (void *)&ss_power, &size))
2015                 *states = ATTR_STATE_UNSUPPORTED;
2016         else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
2017                  (void *)&ss_power, &size))
2018                 *states = ATTR_STATE_UNSUPPORTED;
2019
2020         return 0;
2021 }
2022
2023 static struct amdgpu_device_attr amdgpu_device_attrs[] = {
2024         AMDGPU_DEVICE_ATTR_RW(power_dpm_state,                          ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2025         AMDGPU_DEVICE_ATTR_RW(power_dpm_force_performance_level,        ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2026         AMDGPU_DEVICE_ATTR_RO(pp_num_states,                            ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2027         AMDGPU_DEVICE_ATTR_RO(pp_cur_state,                             ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2028         AMDGPU_DEVICE_ATTR_RW(pp_force_state,                           ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2029         AMDGPU_DEVICE_ATTR_RW(pp_table,                                 ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2030         AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2031         AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2032         AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk,                            ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2033         AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2034         AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2035         AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk1,                             ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2036         AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2037         AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk1,                             ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2038         AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk,                           ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2039         AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2040         AMDGPU_DEVICE_ATTR_RW(pp_sclk_od,                               ATTR_FLAG_BASIC),
2041         AMDGPU_DEVICE_ATTR_RW(pp_mclk_od,                               ATTR_FLAG_BASIC),
2042         AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode,                    ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2043         AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage,                        ATTR_FLAG_BASIC),
2044         AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent,                         ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2045         AMDGPU_DEVICE_ATTR_RO(mem_busy_percent,                         ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2046         AMDGPU_DEVICE_ATTR_RO(pcie_bw,                                  ATTR_FLAG_BASIC),
2047         AMDGPU_DEVICE_ATTR_RW(pp_features,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2048         AMDGPU_DEVICE_ATTR_RO(unique_id,                                ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2049         AMDGPU_DEVICE_ATTR_RW(thermal_throttling_logging,               ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2050         AMDGPU_DEVICE_ATTR_RW(apu_thermal_cap,                          ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2051         AMDGPU_DEVICE_ATTR_RO(gpu_metrics,                              ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
2052         AMDGPU_DEVICE_ATTR_RO(smartshift_apu_power,                     ATTR_FLAG_BASIC,
2053                               .attr_update = ss_power_attr_update),
2054         AMDGPU_DEVICE_ATTR_RO(smartshift_dgpu_power,                    ATTR_FLAG_BASIC,
2055                               .attr_update = ss_power_attr_update),
2056         AMDGPU_DEVICE_ATTR_RW(smartshift_bias,                          ATTR_FLAG_BASIC,
2057                               .attr_update = ss_bias_attr_update),
2058 };
2059
2060 static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
2061                                uint32_t mask, enum amdgpu_device_attr_states *states)
2062 {
2063         struct device_attribute *dev_attr = &attr->dev_attr;
2064         uint32_t mp1_ver = adev->ip_versions[MP1_HWIP][0];
2065         uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
2066         const char *attr_name = dev_attr->attr.name;
2067
2068         if (!(attr->flags & mask)) {
2069                 *states = ATTR_STATE_UNSUPPORTED;
2070                 return 0;
2071         }
2072
2073 #define DEVICE_ATTR_IS(_name)   (!strcmp(attr_name, #_name))
2074
2075         if (DEVICE_ATTR_IS(pp_dpm_socclk)) {
2076                 if (gc_ver < IP_VERSION(9, 0, 0))
2077                         *states = ATTR_STATE_UNSUPPORTED;
2078         } else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
2079                 if (gc_ver < IP_VERSION(9, 0, 0) ||
2080                     gc_ver == IP_VERSION(9, 4, 1) ||
2081                     gc_ver == IP_VERSION(9, 4, 2))
2082                         *states = ATTR_STATE_UNSUPPORTED;
2083         } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
2084                 if (mp1_ver < IP_VERSION(10, 0, 0))
2085                         *states = ATTR_STATE_UNSUPPORTED;
2086         } else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
2087                 *states = ATTR_STATE_UNSUPPORTED;
2088                 if (amdgpu_dpm_is_overdrive_supported(adev))
2089                         *states = ATTR_STATE_SUPPORTED;
2090         } else if (DEVICE_ATTR_IS(mem_busy_percent)) {
2091                 if (adev->flags & AMD_IS_APU || gc_ver == IP_VERSION(9, 0, 1))
2092                         *states = ATTR_STATE_UNSUPPORTED;
2093         } else if (DEVICE_ATTR_IS(pcie_bw)) {
2094                 /* PCIe Perf counters won't work on APU nodes */
2095                 if (adev->flags & AMD_IS_APU)
2096                         *states = ATTR_STATE_UNSUPPORTED;
2097         } else if (DEVICE_ATTR_IS(unique_id)) {
2098                 switch (gc_ver) {
2099                 case IP_VERSION(9, 0, 1):
2100                 case IP_VERSION(9, 4, 0):
2101                 case IP_VERSION(9, 4, 1):
2102                 case IP_VERSION(9, 4, 2):
2103                 case IP_VERSION(10, 3, 0):
2104                 case IP_VERSION(11, 0, 0):
2105                 case IP_VERSION(11, 0, 1):
2106                 case IP_VERSION(11, 0, 2):
2107                         *states = ATTR_STATE_SUPPORTED;
2108                         break;
2109                 default:
2110                         *states = ATTR_STATE_UNSUPPORTED;
2111                 }
2112         } else if (DEVICE_ATTR_IS(pp_features)) {
2113                 if (adev->flags & AMD_IS_APU || gc_ver < IP_VERSION(9, 0, 0))
2114                         *states = ATTR_STATE_UNSUPPORTED;
2115         } else if (DEVICE_ATTR_IS(gpu_metrics)) {
2116                 if (gc_ver < IP_VERSION(9, 1, 0))
2117                         *states = ATTR_STATE_UNSUPPORTED;
2118         } else if (DEVICE_ATTR_IS(pp_dpm_vclk)) {
2119                 if (!(gc_ver == IP_VERSION(10, 3, 1) ||
2120                       gc_ver == IP_VERSION(10, 3, 0) ||
2121                       gc_ver == IP_VERSION(10, 1, 2) ||
2122                       gc_ver == IP_VERSION(11, 0, 0) ||
2123                       gc_ver == IP_VERSION(11, 0, 2) ||
2124                       gc_ver == IP_VERSION(11, 0, 3)))
2125                         *states = ATTR_STATE_UNSUPPORTED;
2126         } else if (DEVICE_ATTR_IS(pp_dpm_vclk1)) {
2127                 if (!((gc_ver == IP_VERSION(10, 3, 1) ||
2128                            gc_ver == IP_VERSION(10, 3, 0) ||
2129                            gc_ver == IP_VERSION(11, 0, 2) ||
2130                            gc_ver == IP_VERSION(11, 0, 3)) && adev->vcn.num_vcn_inst >= 2))
2131                         *states = ATTR_STATE_UNSUPPORTED;
2132         } else if (DEVICE_ATTR_IS(pp_dpm_dclk)) {
2133                 if (!(gc_ver == IP_VERSION(10, 3, 1) ||
2134                       gc_ver == IP_VERSION(10, 3, 0) ||
2135                       gc_ver == IP_VERSION(10, 1, 2) ||
2136                       gc_ver == IP_VERSION(11, 0, 0) ||
2137                       gc_ver == IP_VERSION(11, 0, 2) ||
2138                       gc_ver == IP_VERSION(11, 0, 3)))
2139                         *states = ATTR_STATE_UNSUPPORTED;
2140         } else if (DEVICE_ATTR_IS(pp_dpm_dclk1)) {
2141                 if (!((gc_ver == IP_VERSION(10, 3, 1) ||
2142                            gc_ver == IP_VERSION(10, 3, 0) ||
2143                            gc_ver == IP_VERSION(11, 0, 2) ||
2144                            gc_ver == IP_VERSION(11, 0, 3)) && adev->vcn.num_vcn_inst >= 2))
2145                         *states = ATTR_STATE_UNSUPPORTED;
2146         } else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
2147                 if (amdgpu_dpm_get_power_profile_mode(adev, NULL) == -EOPNOTSUPP)
2148                         *states = ATTR_STATE_UNSUPPORTED;
2149                 else if (gc_ver == IP_VERSION(10, 3, 0) && amdgpu_sriov_vf(adev))
2150                         *states = ATTR_STATE_UNSUPPORTED;
2151         }
2152
2153         switch (gc_ver) {
2154         case IP_VERSION(9, 4, 1):
2155         case IP_VERSION(9, 4, 2):
2156                 /* the Mi series card does not support standalone mclk/socclk/fclk level setting */
2157                 if (DEVICE_ATTR_IS(pp_dpm_mclk) ||
2158                     DEVICE_ATTR_IS(pp_dpm_socclk) ||
2159                     DEVICE_ATTR_IS(pp_dpm_fclk)) {
2160                         dev_attr->attr.mode &= ~S_IWUGO;
2161                         dev_attr->store = NULL;
2162                 }
2163                 break;
2164         case IP_VERSION(10, 3, 0):
2165                 if (DEVICE_ATTR_IS(power_dpm_force_performance_level) &&
2166                     amdgpu_sriov_vf(adev)) {
2167                         dev_attr->attr.mode &= ~0222;
2168                         dev_attr->store = NULL;
2169                 }
2170                 break;
2171         default:
2172                 break;
2173         }
2174
2175         if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
2176                 /* SMU MP1 does not support dcefclk level setting */
2177                 if (gc_ver >= IP_VERSION(10, 0, 0)) {
2178                         dev_attr->attr.mode &= ~S_IWUGO;
2179                         dev_attr->store = NULL;
2180                 }
2181         }
2182
2183         /* setting should not be allowed from VF if not in one VF mode */
2184         if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
2185                 dev_attr->attr.mode &= ~S_IWUGO;
2186                 dev_attr->store = NULL;
2187         }
2188
2189 #undef DEVICE_ATTR_IS
2190
2191         return 0;
2192 }
2193
2194
2195 static int amdgpu_device_attr_create(struct amdgpu_device *adev,
2196                                      struct amdgpu_device_attr *attr,
2197                                      uint32_t mask, struct list_head *attr_list)
2198 {
2199         int ret = 0;
2200         struct device_attribute *dev_attr = &attr->dev_attr;
2201         const char *name = dev_attr->attr.name;
2202         enum amdgpu_device_attr_states attr_states = ATTR_STATE_SUPPORTED;
2203         struct amdgpu_device_attr_entry *attr_entry;
2204
2205         int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
2206                            uint32_t mask, enum amdgpu_device_attr_states *states) = default_attr_update;
2207
2208         BUG_ON(!attr);
2209
2210         attr_update = attr->attr_update ? attr->attr_update : default_attr_update;
2211
2212         ret = attr_update(adev, attr, mask, &attr_states);
2213         if (ret) {
2214                 dev_err(adev->dev, "failed to update device file %s, ret = %d\n",
2215                         name, ret);
2216                 return ret;
2217         }
2218
2219         if (attr_states == ATTR_STATE_UNSUPPORTED)
2220                 return 0;
2221
2222         ret = device_create_file(adev->dev, dev_attr);
2223         if (ret) {
2224                 dev_err(adev->dev, "failed to create device file %s, ret = %d\n",
2225                         name, ret);
2226         }
2227
2228         attr_entry = kmalloc(sizeof(*attr_entry), GFP_KERNEL);
2229         if (!attr_entry)
2230                 return -ENOMEM;
2231
2232         attr_entry->attr = attr;
2233         INIT_LIST_HEAD(&attr_entry->entry);
2234
2235         list_add_tail(&attr_entry->entry, attr_list);
2236
2237         return ret;
2238 }
2239
2240 static void amdgpu_device_attr_remove(struct amdgpu_device *adev, struct amdgpu_device_attr *attr)
2241 {
2242         struct device_attribute *dev_attr = &attr->dev_attr;
2243
2244         device_remove_file(adev->dev, dev_attr);
2245 }
2246
2247 static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
2248                                              struct list_head *attr_list);
2249
2250 static int amdgpu_device_attr_create_groups(struct amdgpu_device *adev,
2251                                             struct amdgpu_device_attr *attrs,
2252                                             uint32_t counts,
2253                                             uint32_t mask,
2254                                             struct list_head *attr_list)
2255 {
2256         int ret = 0;
2257         uint32_t i = 0;
2258
2259         for (i = 0; i < counts; i++) {
2260                 ret = amdgpu_device_attr_create(adev, &attrs[i], mask, attr_list);
2261                 if (ret)
2262                         goto failed;
2263         }
2264
2265         return 0;
2266
2267 failed:
2268         amdgpu_device_attr_remove_groups(adev, attr_list);
2269
2270         return ret;
2271 }
2272
2273 static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
2274                                              struct list_head *attr_list)
2275 {
2276         struct amdgpu_device_attr_entry *entry, *entry_tmp;
2277
2278         if (list_empty(attr_list))
2279                 return ;
2280
2281         list_for_each_entry_safe(entry, entry_tmp, attr_list, entry) {
2282                 amdgpu_device_attr_remove(adev, entry->attr);
2283                 list_del(&entry->entry);
2284                 kfree(entry);
2285         }
2286 }
2287
2288 static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
2289                                       struct device_attribute *attr,
2290                                       char *buf)
2291 {
2292         struct amdgpu_device *adev = dev_get_drvdata(dev);
2293         int channel = to_sensor_dev_attr(attr)->index;
2294         int r, temp = 0, size = sizeof(temp);
2295
2296         if (amdgpu_in_reset(adev))
2297                 return -EPERM;
2298         if (adev->in_suspend && !adev->in_runpm)
2299                 return -EPERM;
2300
2301         if (channel >= PP_TEMP_MAX)
2302                 return -EINVAL;
2303
2304         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2305         if (r < 0) {
2306                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2307                 return r;
2308         }
2309
2310         switch (channel) {
2311         case PP_TEMP_JUNCTION:
2312                 /* get current junction temperature */
2313                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
2314                                            (void *)&temp, &size);
2315                 break;
2316         case PP_TEMP_EDGE:
2317                 /* get current edge temperature */
2318                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
2319                                            (void *)&temp, &size);
2320                 break;
2321         case PP_TEMP_MEM:
2322                 /* get current memory temperature */
2323                 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
2324                                            (void *)&temp, &size);
2325                 break;
2326         default:
2327                 r = -EINVAL;
2328                 break;
2329         }
2330
2331         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2332         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2333
2334         if (r)
2335                 return r;
2336
2337         return sysfs_emit(buf, "%d\n", temp);
2338 }
2339
2340 static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev,
2341                                              struct device_attribute *attr,
2342                                              char *buf)
2343 {
2344         struct amdgpu_device *adev = dev_get_drvdata(dev);
2345         int hyst = to_sensor_dev_attr(attr)->index;
2346         int temp;
2347
2348         if (hyst)
2349                 temp = adev->pm.dpm.thermal.min_temp;
2350         else
2351                 temp = adev->pm.dpm.thermal.max_temp;
2352
2353         return sysfs_emit(buf, "%d\n", temp);
2354 }
2355
2356 static ssize_t amdgpu_hwmon_show_hotspot_temp_thresh(struct device *dev,
2357                                              struct device_attribute *attr,
2358                                              char *buf)
2359 {
2360         struct amdgpu_device *adev = dev_get_drvdata(dev);
2361         int hyst = to_sensor_dev_attr(attr)->index;
2362         int temp;
2363
2364         if (hyst)
2365                 temp = adev->pm.dpm.thermal.min_hotspot_temp;
2366         else
2367                 temp = adev->pm.dpm.thermal.max_hotspot_crit_temp;
2368
2369         return sysfs_emit(buf, "%d\n", temp);
2370 }
2371
2372 static ssize_t amdgpu_hwmon_show_mem_temp_thresh(struct device *dev,
2373                                              struct device_attribute *attr,
2374                                              char *buf)
2375 {
2376         struct amdgpu_device *adev = dev_get_drvdata(dev);
2377         int hyst = to_sensor_dev_attr(attr)->index;
2378         int temp;
2379
2380         if (hyst)
2381                 temp = adev->pm.dpm.thermal.min_mem_temp;
2382         else
2383                 temp = adev->pm.dpm.thermal.max_mem_crit_temp;
2384
2385         return sysfs_emit(buf, "%d\n", temp);
2386 }
2387
2388 static ssize_t amdgpu_hwmon_show_temp_label(struct device *dev,
2389                                              struct device_attribute *attr,
2390                                              char *buf)
2391 {
2392         int channel = to_sensor_dev_attr(attr)->index;
2393
2394         if (channel >= PP_TEMP_MAX)
2395                 return -EINVAL;
2396
2397         return sysfs_emit(buf, "%s\n", temp_label[channel].label);
2398 }
2399
2400 static ssize_t amdgpu_hwmon_show_temp_emergency(struct device *dev,
2401                                              struct device_attribute *attr,
2402                                              char *buf)
2403 {
2404         struct amdgpu_device *adev = dev_get_drvdata(dev);
2405         int channel = to_sensor_dev_attr(attr)->index;
2406         int temp = 0;
2407
2408         if (channel >= PP_TEMP_MAX)
2409                 return -EINVAL;
2410
2411         switch (channel) {
2412         case PP_TEMP_JUNCTION:
2413                 temp = adev->pm.dpm.thermal.max_hotspot_emergency_temp;
2414                 break;
2415         case PP_TEMP_EDGE:
2416                 temp = adev->pm.dpm.thermal.max_edge_emergency_temp;
2417                 break;
2418         case PP_TEMP_MEM:
2419                 temp = adev->pm.dpm.thermal.max_mem_emergency_temp;
2420                 break;
2421         }
2422
2423         return sysfs_emit(buf, "%d\n", temp);
2424 }
2425
2426 static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
2427                                             struct device_attribute *attr,
2428                                             char *buf)
2429 {
2430         struct amdgpu_device *adev = dev_get_drvdata(dev);
2431         u32 pwm_mode = 0;
2432         int ret;
2433
2434         if (amdgpu_in_reset(adev))
2435                 return -EPERM;
2436         if (adev->in_suspend && !adev->in_runpm)
2437                 return -EPERM;
2438
2439         ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2440         if (ret < 0) {
2441                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2442                 return ret;
2443         }
2444
2445         ret = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2446
2447         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2448         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2449
2450         if (ret)
2451                 return -EINVAL;
2452
2453         return sysfs_emit(buf, "%u\n", pwm_mode);
2454 }
2455
2456 static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
2457                                             struct device_attribute *attr,
2458                                             const char *buf,
2459                                             size_t count)
2460 {
2461         struct amdgpu_device *adev = dev_get_drvdata(dev);
2462         int err, ret;
2463         int value;
2464
2465         if (amdgpu_in_reset(adev))
2466                 return -EPERM;
2467         if (adev->in_suspend && !adev->in_runpm)
2468                 return -EPERM;
2469
2470         err = kstrtoint(buf, 10, &value);
2471         if (err)
2472                 return err;
2473
2474         ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2475         if (ret < 0) {
2476                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2477                 return ret;
2478         }
2479
2480         ret = amdgpu_dpm_set_fan_control_mode(adev, value);
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 (ret)
2486                 return -EINVAL;
2487
2488         return count;
2489 }
2490
2491 static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev,
2492                                          struct device_attribute *attr,
2493                                          char *buf)
2494 {
2495         return sysfs_emit(buf, "%i\n", 0);
2496 }
2497
2498 static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev,
2499                                          struct device_attribute *attr,
2500                                          char *buf)
2501 {
2502         return sysfs_emit(buf, "%i\n", 255);
2503 }
2504
2505 static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
2506                                      struct device_attribute *attr,
2507                                      const char *buf, size_t count)
2508 {
2509         struct amdgpu_device *adev = dev_get_drvdata(dev);
2510         int err;
2511         u32 value;
2512         u32 pwm_mode;
2513
2514         if (amdgpu_in_reset(adev))
2515                 return -EPERM;
2516         if (adev->in_suspend && !adev->in_runpm)
2517                 return -EPERM;
2518
2519         err = kstrtou32(buf, 10, &value);
2520         if (err)
2521                 return err;
2522
2523         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2524         if (err < 0) {
2525                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2526                 return err;
2527         }
2528
2529         err = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2530         if (err)
2531                 goto out;
2532
2533         if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2534                 pr_info("manual fan speed control should be enabled first\n");
2535                 err = -EINVAL;
2536                 goto out;
2537         }
2538
2539         err = amdgpu_dpm_set_fan_speed_pwm(adev, value);
2540
2541 out:
2542         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2543         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2544
2545         if (err)
2546                 return err;
2547
2548         return count;
2549 }
2550
2551 static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
2552                                      struct device_attribute *attr,
2553                                      char *buf)
2554 {
2555         struct amdgpu_device *adev = dev_get_drvdata(dev);
2556         int err;
2557         u32 speed = 0;
2558
2559         if (amdgpu_in_reset(adev))
2560                 return -EPERM;
2561         if (adev->in_suspend && !adev->in_runpm)
2562                 return -EPERM;
2563
2564         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2565         if (err < 0) {
2566                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2567                 return err;
2568         }
2569
2570         err = amdgpu_dpm_get_fan_speed_pwm(adev, &speed);
2571
2572         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2573         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2574
2575         if (err)
2576                 return err;
2577
2578         return sysfs_emit(buf, "%i\n", speed);
2579 }
2580
2581 static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
2582                                            struct device_attribute *attr,
2583                                            char *buf)
2584 {
2585         struct amdgpu_device *adev = dev_get_drvdata(dev);
2586         int err;
2587         u32 speed = 0;
2588
2589         if (amdgpu_in_reset(adev))
2590                 return -EPERM;
2591         if (adev->in_suspend && !adev->in_runpm)
2592                 return -EPERM;
2593
2594         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2595         if (err < 0) {
2596                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2597                 return err;
2598         }
2599
2600         err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed);
2601
2602         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2603         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2604
2605         if (err)
2606                 return err;
2607
2608         return sysfs_emit(buf, "%i\n", speed);
2609 }
2610
2611 static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
2612                                          struct device_attribute *attr,
2613                                          char *buf)
2614 {
2615         struct amdgpu_device *adev = dev_get_drvdata(dev);
2616         u32 min_rpm = 0;
2617         u32 size = sizeof(min_rpm);
2618         int r;
2619
2620         if (amdgpu_in_reset(adev))
2621                 return -EPERM;
2622         if (adev->in_suspend && !adev->in_runpm)
2623                 return -EPERM;
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         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
2632                                    (void *)&min_rpm, &size);
2633
2634         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2635         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2636
2637         if (r)
2638                 return r;
2639
2640         return sysfs_emit(buf, "%d\n", min_rpm);
2641 }
2642
2643 static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
2644                                          struct device_attribute *attr,
2645                                          char *buf)
2646 {
2647         struct amdgpu_device *adev = dev_get_drvdata(dev);
2648         u32 max_rpm = 0;
2649         u32 size = sizeof(max_rpm);
2650         int r;
2651
2652         if (amdgpu_in_reset(adev))
2653                 return -EPERM;
2654         if (adev->in_suspend && !adev->in_runpm)
2655                 return -EPERM;
2656
2657         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2658         if (r < 0) {
2659                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2660                 return r;
2661         }
2662
2663         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
2664                                    (void *)&max_rpm, &size);
2665
2666         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2667         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2668
2669         if (r)
2670                 return r;
2671
2672         return sysfs_emit(buf, "%d\n", max_rpm);
2673 }
2674
2675 static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
2676                                            struct device_attribute *attr,
2677                                            char *buf)
2678 {
2679         struct amdgpu_device *adev = dev_get_drvdata(dev);
2680         int err;
2681         u32 rpm = 0;
2682
2683         if (amdgpu_in_reset(adev))
2684                 return -EPERM;
2685         if (adev->in_suspend && !adev->in_runpm)
2686                 return -EPERM;
2687
2688         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2689         if (err < 0) {
2690                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2691                 return err;
2692         }
2693
2694         err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
2695
2696         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2697         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2698
2699         if (err)
2700                 return err;
2701
2702         return sysfs_emit(buf, "%i\n", rpm);
2703 }
2704
2705 static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
2706                                      struct device_attribute *attr,
2707                                      const char *buf, size_t count)
2708 {
2709         struct amdgpu_device *adev = dev_get_drvdata(dev);
2710         int err;
2711         u32 value;
2712         u32 pwm_mode;
2713
2714         if (amdgpu_in_reset(adev))
2715                 return -EPERM;
2716         if (adev->in_suspend && !adev->in_runpm)
2717                 return -EPERM;
2718
2719         err = kstrtou32(buf, 10, &value);
2720         if (err)
2721                 return err;
2722
2723         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2724         if (err < 0) {
2725                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2726                 return err;
2727         }
2728
2729         err = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2730         if (err)
2731                 goto out;
2732
2733         if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2734                 err = -ENODATA;
2735                 goto out;
2736         }
2737
2738         err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
2739
2740 out:
2741         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2742         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2743
2744         if (err)
2745                 return err;
2746
2747         return count;
2748 }
2749
2750 static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
2751                                             struct device_attribute *attr,
2752                                             char *buf)
2753 {
2754         struct amdgpu_device *adev = dev_get_drvdata(dev);
2755         u32 pwm_mode = 0;
2756         int ret;
2757
2758         if (amdgpu_in_reset(adev))
2759                 return -EPERM;
2760         if (adev->in_suspend && !adev->in_runpm)
2761                 return -EPERM;
2762
2763         ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2764         if (ret < 0) {
2765                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2766                 return ret;
2767         }
2768
2769         ret = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2770
2771         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2772         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2773
2774         if (ret)
2775                 return -EINVAL;
2776
2777         return sysfs_emit(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
2778 }
2779
2780 static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
2781                                             struct device_attribute *attr,
2782                                             const char *buf,
2783                                             size_t count)
2784 {
2785         struct amdgpu_device *adev = dev_get_drvdata(dev);
2786         int err;
2787         int value;
2788         u32 pwm_mode;
2789
2790         if (amdgpu_in_reset(adev))
2791                 return -EPERM;
2792         if (adev->in_suspend && !adev->in_runpm)
2793                 return -EPERM;
2794
2795         err = kstrtoint(buf, 10, &value);
2796         if (err)
2797                 return err;
2798
2799         if (value == 0)
2800                 pwm_mode = AMD_FAN_CTRL_AUTO;
2801         else if (value == 1)
2802                 pwm_mode = AMD_FAN_CTRL_MANUAL;
2803         else
2804                 return -EINVAL;
2805
2806         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2807         if (err < 0) {
2808                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2809                 return err;
2810         }
2811
2812         err = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
2813
2814         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2815         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2816
2817         if (err)
2818                 return -EINVAL;
2819
2820         return count;
2821 }
2822
2823 static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
2824                                         struct device_attribute *attr,
2825                                         char *buf)
2826 {
2827         struct amdgpu_device *adev = dev_get_drvdata(dev);
2828         u32 vddgfx;
2829         int r, size = sizeof(vddgfx);
2830
2831         if (amdgpu_in_reset(adev))
2832                 return -EPERM;
2833         if (adev->in_suspend && !adev->in_runpm)
2834                 return -EPERM;
2835
2836         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2837         if (r < 0) {
2838                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2839                 return r;
2840         }
2841
2842         /* get the voltage */
2843         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX,
2844                                    (void *)&vddgfx, &size);
2845
2846         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2847         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2848
2849         if (r)
2850                 return r;
2851
2852         return sysfs_emit(buf, "%d\n", vddgfx);
2853 }
2854
2855 static ssize_t amdgpu_hwmon_show_vddgfx_label(struct device *dev,
2856                                               struct device_attribute *attr,
2857                                               char *buf)
2858 {
2859         return sysfs_emit(buf, "vddgfx\n");
2860 }
2861
2862 static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
2863                                        struct device_attribute *attr,
2864                                        char *buf)
2865 {
2866         struct amdgpu_device *adev = dev_get_drvdata(dev);
2867         u32 vddnb;
2868         int r, size = sizeof(vddnb);
2869
2870         if (amdgpu_in_reset(adev))
2871                 return -EPERM;
2872         if (adev->in_suspend && !adev->in_runpm)
2873                 return -EPERM;
2874
2875         /* only APUs have vddnb */
2876         if  (!(adev->flags & AMD_IS_APU))
2877                 return -EINVAL;
2878
2879         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2880         if (r < 0) {
2881                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2882                 return r;
2883         }
2884
2885         /* get the voltage */
2886         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB,
2887                                    (void *)&vddnb, &size);
2888
2889         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2890         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2891
2892         if (r)
2893                 return r;
2894
2895         return sysfs_emit(buf, "%d\n", vddnb);
2896 }
2897
2898 static ssize_t amdgpu_hwmon_show_vddnb_label(struct device *dev,
2899                                               struct device_attribute *attr,
2900                                               char *buf)
2901 {
2902         return sysfs_emit(buf, "vddnb\n");
2903 }
2904
2905 static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
2906                                            struct device_attribute *attr,
2907                                            char *buf)
2908 {
2909         struct amdgpu_device *adev = dev_get_drvdata(dev);
2910         u32 query = 0;
2911         int r, size = sizeof(u32);
2912         unsigned uw;
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 voltage */
2926         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER,
2927                                    (void *)&query, &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         /* convert to microwatts */
2936         uw = (query >> 8) * 1000000 + (query & 0xff) * 1000;
2937
2938         return sysfs_emit(buf, "%u\n", uw);
2939 }
2940
2941 static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev,
2942                                          struct device_attribute *attr,
2943                                          char *buf)
2944 {
2945         return sysfs_emit(buf, "%i\n", 0);
2946 }
2947
2948
2949 static ssize_t amdgpu_hwmon_show_power_cap_generic(struct device *dev,
2950                                         struct device_attribute *attr,
2951                                         char *buf,
2952                                         enum pp_power_limit_level pp_limit_level)
2953 {
2954         struct amdgpu_device *adev = dev_get_drvdata(dev);
2955         enum pp_power_type power_type = to_sensor_dev_attr(attr)->index;
2956         uint32_t limit;
2957         ssize_t size;
2958         int r;
2959
2960         if (amdgpu_in_reset(adev))
2961                 return -EPERM;
2962         if (adev->in_suspend && !adev->in_runpm)
2963                 return -EPERM;
2964
2965         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2966         if (r < 0) {
2967                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2968                 return r;
2969         }
2970
2971         r = amdgpu_dpm_get_power_limit(adev, &limit,
2972                                       pp_limit_level, power_type);
2973
2974         if (!r)
2975                 size = sysfs_emit(buf, "%u\n", limit * 1000000);
2976         else
2977                 size = sysfs_emit(buf, "\n");
2978
2979         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2980         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2981
2982         return size;
2983 }
2984
2985
2986 static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev,
2987                                          struct device_attribute *attr,
2988                                          char *buf)
2989 {
2990         return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_MAX);
2991
2992 }
2993
2994 static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev,
2995                                          struct device_attribute *attr,
2996                                          char *buf)
2997 {
2998         return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_CURRENT);
2999
3000 }
3001
3002 static ssize_t amdgpu_hwmon_show_power_cap_default(struct device *dev,
3003                                          struct device_attribute *attr,
3004                                          char *buf)
3005 {
3006         return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_DEFAULT);
3007
3008 }
3009
3010 static ssize_t amdgpu_hwmon_show_power_label(struct device *dev,
3011                                          struct device_attribute *attr,
3012                                          char *buf)
3013 {
3014         struct amdgpu_device *adev = dev_get_drvdata(dev);
3015         uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
3016
3017         if (gc_ver == IP_VERSION(10, 3, 1))
3018                 return sysfs_emit(buf, "%s\n",
3019                                   to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
3020                                   "fastPPT" : "slowPPT");
3021         else
3022                 return sysfs_emit(buf, "PPT\n");
3023 }
3024
3025 static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
3026                 struct device_attribute *attr,
3027                 const char *buf,
3028                 size_t count)
3029 {
3030         struct amdgpu_device *adev = dev_get_drvdata(dev);
3031         int limit_type = to_sensor_dev_attr(attr)->index;
3032         int err;
3033         u32 value;
3034
3035         if (amdgpu_in_reset(adev))
3036                 return -EPERM;
3037         if (adev->in_suspend && !adev->in_runpm)
3038                 return -EPERM;
3039
3040         if (amdgpu_sriov_vf(adev))
3041                 return -EINVAL;
3042
3043         err = kstrtou32(buf, 10, &value);
3044         if (err)
3045                 return err;
3046
3047         value = value / 1000000; /* convert to Watt */
3048         value |= limit_type << 24;
3049
3050         err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
3051         if (err < 0) {
3052                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3053                 return err;
3054         }
3055
3056         err = amdgpu_dpm_set_power_limit(adev, value);
3057
3058         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3059         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3060
3061         if (err)
3062                 return err;
3063
3064         return count;
3065 }
3066
3067 static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
3068                                       struct device_attribute *attr,
3069                                       char *buf)
3070 {
3071         struct amdgpu_device *adev = dev_get_drvdata(dev);
3072         uint32_t sclk;
3073         int r, size = sizeof(sclk);
3074
3075         if (amdgpu_in_reset(adev))
3076                 return -EPERM;
3077         if (adev->in_suspend && !adev->in_runpm)
3078                 return -EPERM;
3079
3080         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
3081         if (r < 0) {
3082                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3083                 return r;
3084         }
3085
3086         /* get the sclk */
3087         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
3088                                    (void *)&sclk, &size);
3089
3090         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3091         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3092
3093         if (r)
3094                 return r;
3095
3096         return sysfs_emit(buf, "%u\n", sclk * 10 * 1000);
3097 }
3098
3099 static ssize_t amdgpu_hwmon_show_sclk_label(struct device *dev,
3100                                             struct device_attribute *attr,
3101                                             char *buf)
3102 {
3103         return sysfs_emit(buf, "sclk\n");
3104 }
3105
3106 static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
3107                                       struct device_attribute *attr,
3108                                       char *buf)
3109 {
3110         struct amdgpu_device *adev = dev_get_drvdata(dev);
3111         uint32_t mclk;
3112         int r, size = sizeof(mclk);
3113
3114         if (amdgpu_in_reset(adev))
3115                 return -EPERM;
3116         if (adev->in_suspend && !adev->in_runpm)
3117                 return -EPERM;
3118
3119         r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
3120         if (r < 0) {
3121                 pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3122                 return r;
3123         }
3124
3125         /* get the sclk */
3126         r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
3127                                    (void *)&mclk, &size);
3128
3129         pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3130         pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3131
3132         if (r)
3133                 return r;
3134
3135         return sysfs_emit(buf, "%u\n", mclk * 10 * 1000);
3136 }
3137
3138 static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
3139                                             struct device_attribute *attr,
3140                                             char *buf)
3141 {
3142         return sysfs_emit(buf, "mclk\n");
3143 }
3144
3145 /**
3146  * DOC: hwmon
3147  *
3148  * The amdgpu driver exposes the following sensor interfaces:
3149  *
3150  * - GPU temperature (via the on-die sensor)
3151  *
3152  * - GPU voltage
3153  *
3154  * - Northbridge voltage (APUs only)
3155  *
3156  * - GPU power
3157  *
3158  * - GPU fan
3159  *
3160  * - GPU gfx/compute engine clock
3161  *
3162  * - GPU memory clock (dGPU only)
3163  *
3164  * hwmon interfaces for GPU temperature:
3165  *
3166  * - temp[1-3]_input: the on die GPU temperature in millidegrees Celsius
3167  *   - temp2_input and temp3_input are supported on SOC15 dGPUs only
3168  *
3169  * - temp[1-3]_label: temperature channel label
3170  *   - temp2_label and temp3_label are supported on SOC15 dGPUs only
3171  *
3172  * - temp[1-3]_crit: temperature critical max value in millidegrees Celsius
3173  *   - temp2_crit and temp3_crit are supported on SOC15 dGPUs only
3174  *
3175  * - temp[1-3]_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius
3176  *   - temp2_crit_hyst and temp3_crit_hyst are supported on SOC15 dGPUs only
3177  *
3178  * - temp[1-3]_emergency: temperature emergency max value(asic shutdown) in millidegrees Celsius
3179  *   - these are supported on SOC15 dGPUs only
3180  *
3181  * hwmon interfaces for GPU voltage:
3182  *
3183  * - in0_input: the voltage on the GPU in millivolts
3184  *
3185  * - in1_input: the voltage on the Northbridge in millivolts
3186  *
3187  * hwmon interfaces for GPU power:
3188  *
3189  * - power1_average: average power used by the SoC in microWatts.  On APUs this includes the CPU.
3190  *
3191  * - power1_cap_min: minimum cap supported in microWatts
3192  *
3193  * - power1_cap_max: maximum cap supported in microWatts
3194  *
3195  * - power1_cap: selected power cap in microWatts
3196  *
3197  * hwmon interfaces for GPU fan:
3198  *
3199  * - pwm1: pulse width modulation fan level (0-255)
3200  *
3201  * - 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)
3202  *
3203  * - pwm1_min: pulse width modulation fan control minimum level (0)
3204  *
3205  * - pwm1_max: pulse width modulation fan control maximum level (255)
3206  *
3207  * - fan1_min: a minimum value Unit: revolution/min (RPM)
3208  *
3209  * - fan1_max: a maximum value Unit: revolution/max (RPM)
3210  *
3211  * - fan1_input: fan speed in RPM
3212  *
3213  * - fan[1-\*]_target: Desired fan speed Unit: revolution/min (RPM)
3214  *
3215  * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable
3216  *
3217  * NOTE: DO NOT set the fan speed via "pwm1" and "fan[1-\*]_target" interfaces at the same time.
3218  *       That will get the former one overridden.
3219  *
3220  * hwmon interfaces for GPU clocks:
3221  *
3222  * - freq1_input: the gfx/compute clock in hertz
3223  *
3224  * - freq2_input: the memory clock in hertz
3225  *
3226  * You can use hwmon tools like sensors to view this information on your system.
3227  *
3228  */
3229
3230 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_EDGE);
3231 static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0);
3232 static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1);
3233 static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_EDGE);
3234 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_JUNCTION);
3235 static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 0);
3236 static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 1);
3237 static SENSOR_DEVICE_ATTR(temp2_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_JUNCTION);
3238 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_MEM);
3239 static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 0);
3240 static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 1);
3241 static SENSOR_DEVICE_ATTR(temp3_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_MEM);
3242 static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_EDGE);
3243 static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_JUNCTION);
3244 static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_MEM);
3245 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu_hwmon_set_pwm1, 0);
3246 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0);
3247 static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0);
3248 static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0);
3249 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0);
3250 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, amdgpu_hwmon_get_fan1_min, NULL, 0);
3251 static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, amdgpu_hwmon_get_fan1_max, NULL, 0);
3252 static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_target, amdgpu_hwmon_set_fan1_target, 0);
3253 static SENSOR_DEVICE_ATTR(fan1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_enable, amdgpu_hwmon_set_fan1_enable, 0);
3254 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, amdgpu_hwmon_show_vddgfx, NULL, 0);
3255 static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NULL, 0);
3256 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0);
3257 static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, amdgpu_hwmon_show_vddnb_label, NULL, 0);
3258 static SENSOR_DEVICE_ATTR(power1_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 0);
3259 static SENSOR_DEVICE_ATTR(power1_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 0);
3260 static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 0);
3261 static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0);
3262 static SENSOR_DEVICE_ATTR(power1_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 0);
3263 static SENSOR_DEVICE_ATTR(power1_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 0);
3264 static SENSOR_DEVICE_ATTR(power2_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 1);
3265 static SENSOR_DEVICE_ATTR(power2_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 1);
3266 static SENSOR_DEVICE_ATTR(power2_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 1);
3267 static SENSOR_DEVICE_ATTR(power2_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 1);
3268 static SENSOR_DEVICE_ATTR(power2_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 1);
3269 static SENSOR_DEVICE_ATTR(power2_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 1);
3270 static SENSOR_DEVICE_ATTR(freq1_input, S_IRUGO, amdgpu_hwmon_show_sclk, NULL, 0);
3271 static SENSOR_DEVICE_ATTR(freq1_label, S_IRUGO, amdgpu_hwmon_show_sclk_label, NULL, 0);
3272 static SENSOR_DEVICE_ATTR(freq2_input, S_IRUGO, amdgpu_hwmon_show_mclk, NULL, 0);
3273 static SENSOR_DEVICE_ATTR(freq2_label, S_IRUGO, amdgpu_hwmon_show_mclk_label, NULL, 0);
3274
3275 static struct attribute *hwmon_attributes[] = {
3276         &sensor_dev_attr_temp1_input.dev_attr.attr,
3277         &sensor_dev_attr_temp1_crit.dev_attr.attr,
3278         &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
3279         &sensor_dev_attr_temp2_input.dev_attr.attr,
3280         &sensor_dev_attr_temp2_crit.dev_attr.attr,
3281         &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
3282         &sensor_dev_attr_temp3_input.dev_attr.attr,
3283         &sensor_dev_attr_temp3_crit.dev_attr.attr,
3284         &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
3285         &sensor_dev_attr_temp1_emergency.dev_attr.attr,
3286         &sensor_dev_attr_temp2_emergency.dev_attr.attr,
3287         &sensor_dev_attr_temp3_emergency.dev_attr.attr,
3288         &sensor_dev_attr_temp1_label.dev_attr.attr,
3289         &sensor_dev_attr_temp2_label.dev_attr.attr,
3290         &sensor_dev_attr_temp3_label.dev_attr.attr,
3291         &sensor_dev_attr_pwm1.dev_attr.attr,
3292         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
3293         &sensor_dev_attr_pwm1_min.dev_attr.attr,
3294         &sensor_dev_attr_pwm1_max.dev_attr.attr,
3295         &sensor_dev_attr_fan1_input.dev_attr.attr,
3296         &sensor_dev_attr_fan1_min.dev_attr.attr,
3297         &sensor_dev_attr_fan1_max.dev_attr.attr,
3298         &sensor_dev_attr_fan1_target.dev_attr.attr,
3299         &sensor_dev_attr_fan1_enable.dev_attr.attr,
3300         &sensor_dev_attr_in0_input.dev_attr.attr,
3301         &sensor_dev_attr_in0_label.dev_attr.attr,
3302         &sensor_dev_attr_in1_input.dev_attr.attr,
3303         &sensor_dev_attr_in1_label.dev_attr.attr,
3304         &sensor_dev_attr_power1_average.dev_attr.attr,
3305         &sensor_dev_attr_power1_cap_max.dev_attr.attr,
3306         &sensor_dev_attr_power1_cap_min.dev_attr.attr,
3307         &sensor_dev_attr_power1_cap.dev_attr.attr,
3308         &sensor_dev_attr_power1_cap_default.dev_attr.attr,
3309         &sensor_dev_attr_power1_label.dev_attr.attr,
3310         &sensor_dev_attr_power2_average.dev_attr.attr,
3311         &sensor_dev_attr_power2_cap_max.dev_attr.attr,
3312         &sensor_dev_attr_power2_cap_min.dev_attr.attr,
3313         &sensor_dev_attr_power2_cap.dev_attr.attr,
3314         &sensor_dev_attr_power2_cap_default.dev_attr.attr,
3315         &sensor_dev_attr_power2_label.dev_attr.attr,
3316         &sensor_dev_attr_freq1_input.dev_attr.attr,
3317         &sensor_dev_attr_freq1_label.dev_attr.attr,
3318         &sensor_dev_attr_freq2_input.dev_attr.attr,
3319         &sensor_dev_attr_freq2_label.dev_attr.attr,
3320         NULL
3321 };
3322
3323 static umode_t hwmon_attributes_visible(struct kobject *kobj,
3324                                         struct attribute *attr, int index)
3325 {
3326         struct device *dev = kobj_to_dev(kobj);
3327         struct amdgpu_device *adev = dev_get_drvdata(dev);
3328         umode_t effective_mode = attr->mode;
3329         uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
3330
3331         /* under multi-vf mode, the hwmon attributes are all not supported */
3332         if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
3333                 return 0;
3334
3335         /* under pp one vf mode manage of hwmon attributes is not supported */
3336         if (amdgpu_sriov_is_pp_one_vf(adev))
3337                 effective_mode &= ~S_IWUSR;
3338
3339         /* Skip fan attributes if fan is not present */
3340         if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3341             attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3342             attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3343             attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3344             attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3345             attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3346             attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3347             attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3348             attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3349                 return 0;
3350
3351         /* Skip fan attributes on APU */
3352         if ((adev->flags & AMD_IS_APU) &&
3353             (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3354              attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3355              attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3356              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3357              attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3358              attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3359              attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3360              attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3361              attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3362                 return 0;
3363
3364         /* Skip crit temp on APU */
3365         if ((adev->flags & AMD_IS_APU) && (adev->family >= AMDGPU_FAMILY_CZ) &&
3366             (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
3367              attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr))
3368                 return 0;
3369
3370         /* Skip limit attributes if DPM is not enabled */
3371         if (!adev->pm.dpm_enabled &&
3372             (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
3373              attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
3374              attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3375              attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3376              attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3377              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3378              attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3379              attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3380              attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3381              attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3382              attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3383                 return 0;
3384
3385         /* mask fan attributes if we have no bindings for this asic to expose */
3386         if (((amdgpu_dpm_get_fan_speed_pwm(adev, NULL) == -EOPNOTSUPP) &&
3387               attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */
3388             ((amdgpu_dpm_get_fan_control_mode(adev, NULL) == -EOPNOTSUPP) &&
3389              attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */
3390                 effective_mode &= ~S_IRUGO;
3391
3392         if (((amdgpu_dpm_set_fan_speed_pwm(adev, U32_MAX) == -EOPNOTSUPP) &&
3393               attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */
3394               ((amdgpu_dpm_set_fan_control_mode(adev, U32_MAX) == -EOPNOTSUPP) &&
3395               attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
3396                 effective_mode &= ~S_IWUSR;
3397
3398         /* In the case of APUs, this is only implemented on Vangogh */
3399         if (((adev->family == AMDGPU_FAMILY_SI) ||
3400              ((adev->flags & AMD_IS_APU) && (gc_ver != IP_VERSION(10, 3, 1)))) &&
3401             (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr ||
3402              attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr ||
3403              attr == &sensor_dev_attr_power1_cap.dev_attr.attr ||
3404              attr == &sensor_dev_attr_power1_cap_default.dev_attr.attr))
3405                 return 0;
3406
3407         /* not implemented yet for APUs having < GC 9.3.0 (Renoir) */
3408         if (((adev->family == AMDGPU_FAMILY_SI) ||
3409              ((adev->flags & AMD_IS_APU) && (gc_ver < IP_VERSION(9, 3, 0)))) &&
3410             (attr == &sensor_dev_attr_power1_average.dev_attr.attr))
3411                 return 0;
3412
3413         /* hide max/min values if we can't both query and manage the fan */
3414         if (((amdgpu_dpm_set_fan_speed_pwm(adev, U32_MAX) == -EOPNOTSUPP) &&
3415               (amdgpu_dpm_get_fan_speed_pwm(adev, NULL) == -EOPNOTSUPP) &&
3416               (amdgpu_dpm_set_fan_speed_rpm(adev, U32_MAX) == -EOPNOTSUPP) &&
3417               (amdgpu_dpm_get_fan_speed_rpm(adev, NULL) == -EOPNOTSUPP)) &&
3418             (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3419              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
3420                 return 0;
3421
3422         if ((amdgpu_dpm_set_fan_speed_rpm(adev, U32_MAX) == -EOPNOTSUPP) &&
3423              (amdgpu_dpm_get_fan_speed_rpm(adev, NULL) == -EOPNOTSUPP) &&
3424              (attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3425              attr == &sensor_dev_attr_fan1_min.dev_attr.attr))
3426                 return 0;
3427
3428         if ((adev->family == AMDGPU_FAMILY_SI ||        /* not implemented yet */
3429              adev->family == AMDGPU_FAMILY_KV) &&       /* not implemented yet */
3430             (attr == &sensor_dev_attr_in0_input.dev_attr.attr ||
3431              attr == &sensor_dev_attr_in0_label.dev_attr.attr))
3432                 return 0;
3433
3434         /* only APUs have vddnb */
3435         if (!(adev->flags & AMD_IS_APU) &&
3436             (attr == &sensor_dev_attr_in1_input.dev_attr.attr ||
3437              attr == &sensor_dev_attr_in1_label.dev_attr.attr))
3438                 return 0;
3439
3440         /* no mclk on APUs */
3441         if ((adev->flags & AMD_IS_APU) &&
3442             (attr == &sensor_dev_attr_freq2_input.dev_attr.attr ||
3443              attr == &sensor_dev_attr_freq2_label.dev_attr.attr))
3444                 return 0;
3445
3446         /* only SOC15 dGPUs support hotspot and mem temperatures */
3447         if (((adev->flags & AMD_IS_APU) || gc_ver < IP_VERSION(9, 0, 0)) &&
3448             (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr ||
3449              attr == &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr ||
3450              attr == &sensor_dev_attr_temp3_crit.dev_attr.attr ||
3451              attr == &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr ||
3452              attr == &sensor_dev_attr_temp1_emergency.dev_attr.attr ||
3453              attr == &sensor_dev_attr_temp2_emergency.dev_attr.attr ||
3454              attr == &sensor_dev_attr_temp3_emergency.dev_attr.attr ||
3455              attr == &sensor_dev_attr_temp2_input.dev_attr.attr ||
3456              attr == &sensor_dev_attr_temp3_input.dev_attr.attr ||
3457              attr == &sensor_dev_attr_temp2_label.dev_attr.attr ||
3458              attr == &sensor_dev_attr_temp3_label.dev_attr.attr))
3459                 return 0;
3460
3461         /* only Vangogh has fast PPT limit and power labels */
3462         if (!(gc_ver == IP_VERSION(10, 3, 1)) &&
3463             (attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
3464              attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
3465              attr == &sensor_dev_attr_power2_cap_min.dev_attr.attr ||
3466              attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
3467              attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
3468              attr == &sensor_dev_attr_power2_label.dev_attr.attr))
3469                 return 0;
3470
3471         return effective_mode;
3472 }
3473
3474 static const struct attribute_group hwmon_attrgroup = {
3475         .attrs = hwmon_attributes,
3476         .is_visible = hwmon_attributes_visible,
3477 };
3478
3479 static const struct attribute_group *hwmon_groups[] = {
3480         &hwmon_attrgroup,
3481         NULL
3482 };
3483
3484 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
3485 {
3486         int ret;
3487         uint32_t mask = 0;
3488
3489         if (adev->pm.sysfs_initialized)
3490                 return 0;
3491
3492         INIT_LIST_HEAD(&adev->pm.pm_attr_list);
3493
3494         if (adev->pm.dpm_enabled == 0)
3495                 return 0;
3496
3497         adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
3498                                                                    DRIVER_NAME, adev,
3499                                                                    hwmon_groups);
3500         if (IS_ERR(adev->pm.int_hwmon_dev)) {
3501                 ret = PTR_ERR(adev->pm.int_hwmon_dev);
3502                 dev_err(adev->dev,
3503                         "Unable to register hwmon device: %d\n", ret);
3504                 return ret;
3505         }
3506
3507         switch (amdgpu_virt_get_sriov_vf_mode(adev)) {
3508         case SRIOV_VF_MODE_ONE_VF:
3509                 mask = ATTR_FLAG_ONEVF;
3510                 break;
3511         case SRIOV_VF_MODE_MULTI_VF:
3512                 mask = 0;
3513                 break;
3514         case SRIOV_VF_MODE_BARE_METAL:
3515         default:
3516                 mask = ATTR_FLAG_MASK_ALL;
3517                 break;
3518         }
3519
3520         ret = amdgpu_device_attr_create_groups(adev,
3521                                                amdgpu_device_attrs,
3522                                                ARRAY_SIZE(amdgpu_device_attrs),
3523                                                mask,
3524                                                &adev->pm.pm_attr_list);
3525         if (ret)
3526                 return ret;
3527
3528         adev->pm.sysfs_initialized = true;
3529
3530         return 0;
3531 }
3532
3533 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
3534 {
3535         if (adev->pm.int_hwmon_dev)
3536                 hwmon_device_unregister(adev->pm.int_hwmon_dev);
3537
3538         amdgpu_device_attr_remove_groups(adev, &adev->pm.pm_attr_list);
3539 }
3540
3541 /*
3542  * Debugfs info
3543  */
3544 #if defined(CONFIG_DEBUG_FS)
3545
3546 static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,
3547                                            struct amdgpu_device *adev) {
3548         uint16_t *p_val;
3549         uint32_t size;
3550         int i;
3551         uint32_t num_cpu_cores = amdgpu_dpm_get_num_cpu_cores(adev);
3552
3553         if (amdgpu_dpm_is_cclk_dpm_supported(adev)) {
3554                 p_val = kcalloc(num_cpu_cores, sizeof(uint16_t),
3555                                 GFP_KERNEL);
3556
3557                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_CPU_CLK,
3558                                             (void *)p_val, &size)) {
3559                         for (i = 0; i < num_cpu_cores; i++)
3560                                 seq_printf(m, "\t%u MHz (CPU%d)\n",
3561                                            *(p_val + i), i);
3562                 }
3563
3564                 kfree(p_val);
3565         }
3566 }
3567
3568 static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
3569 {
3570         uint32_t mp1_ver = adev->ip_versions[MP1_HWIP][0];
3571         uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
3572         uint32_t value;
3573         uint64_t value64 = 0;
3574         uint32_t query = 0;
3575         int size;
3576
3577         /* GPU Clocks */
3578         size = sizeof(value);
3579         seq_printf(m, "GFX Clocks and Power:\n");
3580
3581         amdgpu_debugfs_prints_cpu_info(m, adev);
3582
3583         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size))
3584                 seq_printf(m, "\t%u MHz (MCLK)\n", value/100);
3585         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size))
3586                 seq_printf(m, "\t%u MHz (SCLK)\n", value/100);
3587         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&value, &size))
3588                 seq_printf(m, "\t%u MHz (PSTATE_SCLK)\n", value/100);
3589         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&value, &size))
3590                 seq_printf(m, "\t%u MHz (PSTATE_MCLK)\n", value/100);
3591         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size))
3592                 seq_printf(m, "\t%u mV (VDDGFX)\n", value);
3593         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size))
3594                 seq_printf(m, "\t%u mV (VDDNB)\n", value);
3595         size = sizeof(uint32_t);
3596         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size))
3597                 seq_printf(m, "\t%u.%u W (average GPU)\n", query >> 8, query & 0xff);
3598         size = sizeof(value);
3599         seq_printf(m, "\n");
3600
3601         /* GPU Temp */
3602         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&value, &size))
3603                 seq_printf(m, "GPU Temperature: %u C\n", value/1000);
3604
3605         /* GPU Load */
3606         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size))
3607                 seq_printf(m, "GPU Load: %u %%\n", value);
3608         /* MEM Load */
3609         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, (void *)&value, &size))
3610                 seq_printf(m, "MEM Load: %u %%\n", value);
3611
3612         seq_printf(m, "\n");
3613
3614         /* SMC feature mask */
3615         if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
3616                 seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);
3617
3618         /* ASICs greater than CHIP_VEGA20 supports these sensors */
3619         if (gc_ver != IP_VERSION(9, 4, 0) && mp1_ver > IP_VERSION(9, 0, 0)) {
3620                 /* VCN clocks */
3621                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) {
3622                         if (!value) {
3623                                 seq_printf(m, "VCN: Disabled\n");
3624                         } else {
3625                                 seq_printf(m, "VCN: Enabled\n");
3626                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3627                                         seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3628                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3629                                         seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3630                         }
3631                 }
3632                 seq_printf(m, "\n");
3633         } else {
3634                 /* UVD clocks */
3635                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
3636                         if (!value) {
3637                                 seq_printf(m, "UVD: Disabled\n");
3638                         } else {
3639                                 seq_printf(m, "UVD: Enabled\n");
3640                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3641                                         seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3642                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3643                                         seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3644                         }
3645                 }
3646                 seq_printf(m, "\n");
3647
3648                 /* VCE clocks */
3649                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) {
3650                         if (!value) {
3651                                 seq_printf(m, "VCE: Disabled\n");
3652                         } else {
3653                                 seq_printf(m, "VCE: Enabled\n");
3654                                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size))
3655                                         seq_printf(m, "\t%u MHz (ECCLK)\n", value/100);
3656                         }
3657                 }
3658         }
3659
3660         return 0;
3661 }
3662
3663 static void amdgpu_parse_cg_state(struct seq_file *m, u64 flags)
3664 {
3665         int i;
3666
3667         for (i = 0; clocks[i].flag; i++)
3668                 seq_printf(m, "\t%s: %s\n", clocks[i].name,
3669                            (flags & clocks[i].flag) ? "On" : "Off");
3670 }
3671
3672 static int amdgpu_debugfs_pm_info_show(struct seq_file *m, void *unused)
3673 {
3674         struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
3675         struct drm_device *dev = adev_to_drm(adev);
3676         u64 flags = 0;
3677         int r;
3678
3679         if (amdgpu_in_reset(adev))
3680                 return -EPERM;
3681         if (adev->in_suspend && !adev->in_runpm)
3682                 return -EPERM;
3683
3684         r = pm_runtime_get_sync(dev->dev);
3685         if (r < 0) {
3686                 pm_runtime_put_autosuspend(dev->dev);
3687                 return r;
3688         }
3689
3690         if (amdgpu_dpm_debugfs_print_current_performance_level(adev, m)) {
3691                 r = amdgpu_debugfs_pm_info_pp(m, adev);
3692                 if (r)
3693                         goto out;
3694         }
3695
3696         amdgpu_device_ip_get_clockgating_state(adev, &flags);
3697
3698         seq_printf(m, "Clock Gating Flags Mask: 0x%llx\n", flags);
3699         amdgpu_parse_cg_state(m, flags);
3700         seq_printf(m, "\n");
3701
3702 out:
3703         pm_runtime_mark_last_busy(dev->dev);
3704         pm_runtime_put_autosuspend(dev->dev);
3705
3706         return r;
3707 }
3708
3709 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_pm_info);
3710
3711 /*
3712  * amdgpu_pm_priv_buffer_read - Read memory region allocated to FW
3713  *
3714  * Reads debug memory region allocated to PMFW
3715  */
3716 static ssize_t amdgpu_pm_prv_buffer_read(struct file *f, char __user *buf,
3717                                          size_t size, loff_t *pos)
3718 {
3719         struct amdgpu_device *adev = file_inode(f)->i_private;
3720         size_t smu_prv_buf_size;
3721         void *smu_prv_buf;
3722         int ret = 0;
3723
3724         if (amdgpu_in_reset(adev))
3725                 return -EPERM;
3726         if (adev->in_suspend && !adev->in_runpm)
3727                 return -EPERM;
3728
3729         ret = amdgpu_dpm_get_smu_prv_buf_details(adev, &smu_prv_buf, &smu_prv_buf_size);
3730         if (ret)
3731                 return ret;
3732
3733         if (!smu_prv_buf || !smu_prv_buf_size)
3734                 return -EINVAL;
3735
3736         return simple_read_from_buffer(buf, size, pos, smu_prv_buf,
3737                                        smu_prv_buf_size);
3738 }
3739
3740 static const struct file_operations amdgpu_debugfs_pm_prv_buffer_fops = {
3741         .owner = THIS_MODULE,
3742         .open = simple_open,
3743         .read = amdgpu_pm_prv_buffer_read,
3744         .llseek = default_llseek,
3745 };
3746
3747 #endif
3748
3749 void amdgpu_debugfs_pm_init(struct amdgpu_device *adev)
3750 {
3751 #if defined(CONFIG_DEBUG_FS)
3752         struct drm_minor *minor = adev_to_drm(adev)->primary;
3753         struct dentry *root = minor->debugfs_root;
3754
3755         if (!adev->pm.dpm_enabled)
3756                 return;
3757
3758         debugfs_create_file("amdgpu_pm_info", 0444, root, adev,
3759                             &amdgpu_debugfs_pm_info_fops);
3760
3761         if (adev->pm.smu_prv_buffer_size > 0)
3762                 debugfs_create_file_size("amdgpu_pm_prv_buffer", 0444, root,
3763                                          adev,
3764                                          &amdgpu_debugfs_pm_prv_buffer_fops,
3765                                          adev->pm.smu_prv_buffer_size);
3766
3767         amdgpu_dpm_stb_debug_fs_init(adev);
3768 #endif
3769 }