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
  38static 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
  76static 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
  85const 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};
  95
  96/**
  97 * DOC: power_dpm_state
  98 *
  99 * The power_dpm_state file is a legacy interface and is only provided for
 100 * backwards compatibility. The amdgpu driver provides a sysfs API for adjusting
 101 * certain power related parameters.  The file power_dpm_state is used for this.
 102 * It accepts the following arguments:
 103 *
 104 * - battery
 105 *
 106 * - balanced
 107 *
 108 * - performance
 109 *
 110 * battery
 111 *
 112 * On older GPUs, the vbios provided a special power state for battery
 113 * operation.  Selecting battery switched to this state.  This is no
 114 * longer provided on newer GPUs so the option does nothing in that case.
 115 *
 116 * balanced
 117 *
 118 * On older GPUs, the vbios provided a special power state for balanced
 119 * operation.  Selecting balanced switched to this state.  This is no
 120 * longer provided on newer GPUs so the option does nothing in that case.
 121 *
 122 * performance
 123 *
 124 * On older GPUs, the vbios provided a special power state for performance
 125 * operation.  Selecting performance switched to this state.  This is no
 126 * longer provided on newer GPUs so the option does nothing in that case.
 127 *
 128 */
 129
 130static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
 131					  struct device_attribute *attr,
 132					  char *buf)
 133{
 134	struct drm_device *ddev = dev_get_drvdata(dev);
 135	struct amdgpu_device *adev = drm_to_adev(ddev);
 136	enum amd_pm_state_type pm;
 137	int ret;
 138
 139	if (amdgpu_in_reset(adev))
 140		return -EPERM;
 141	if (adev->in_suspend && !adev->in_runpm)
 142		return -EPERM;
 143
 144	ret = pm_runtime_get_sync(ddev->dev);
 145	if (ret < 0) {
 146		pm_runtime_put_autosuspend(ddev->dev);
 147		return ret;
 148	}
 149
 150	amdgpu_dpm_get_current_power_state(adev, &pm);
 151
 152	pm_runtime_mark_last_busy(ddev->dev);
 153	pm_runtime_put_autosuspend(ddev->dev);
 154
 155	return sysfs_emit(buf, "%s\n",
 156			  (pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
 157			  (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
 158}
 159
 160static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
 161					  struct device_attribute *attr,
 162					  const char *buf,
 163					  size_t count)
 164{
 165	struct drm_device *ddev = dev_get_drvdata(dev);
 166	struct amdgpu_device *adev = drm_to_adev(ddev);
 167	enum amd_pm_state_type  state;
 168	int ret;
 169
 170	if (amdgpu_in_reset(adev))
 171		return -EPERM;
 172	if (adev->in_suspend && !adev->in_runpm)
 173		return -EPERM;
 174
 175	if (strncmp("battery", buf, strlen("battery")) == 0)
 176		state = POWER_STATE_TYPE_BATTERY;
 177	else if (strncmp("balanced", buf, strlen("balanced")) == 0)
 178		state = POWER_STATE_TYPE_BALANCED;
 179	else if (strncmp("performance", buf, strlen("performance")) == 0)
 180		state = POWER_STATE_TYPE_PERFORMANCE;
 181	else
 182		return -EINVAL;
 183
 184	ret = pm_runtime_get_sync(ddev->dev);
 185	if (ret < 0) {
 186		pm_runtime_put_autosuspend(ddev->dev);
 187		return ret;
 188	}
 189
 190	amdgpu_dpm_set_power_state(adev, state);
 191
 192	pm_runtime_mark_last_busy(ddev->dev);
 193	pm_runtime_put_autosuspend(ddev->dev);
 194
 195	return count;
 196}
 197
 198
 199/**
 200 * DOC: power_dpm_force_performance_level
 201 *
 202 * The amdgpu driver provides a sysfs API for adjusting certain power
 203 * related parameters.  The file power_dpm_force_performance_level is
 204 * used for this.  It accepts the following arguments:
 205 *
 206 * - auto
 207 *
 208 * - low
 209 *
 210 * - high
 211 *
 212 * - manual
 213 *
 214 * - profile_standard
 215 *
 216 * - profile_min_sclk
 217 *
 218 * - profile_min_mclk
 219 *
 220 * - profile_peak
 221 *
 222 * auto
 223 *
 224 * When auto is selected, the driver will attempt to dynamically select
 225 * the optimal power profile for current conditions in the driver.
 226 *
 227 * low
 228 *
 229 * When low is selected, the clocks are forced to the lowest power state.
 230 *
 231 * high
 232 *
 233 * When high is selected, the clocks are forced to the highest power state.
 234 *
 235 * manual
 236 *
 237 * When manual is selected, the user can manually adjust which power states
 238 * are enabled for each clock domain via the sysfs pp_dpm_mclk, pp_dpm_sclk,
 239 * and pp_dpm_pcie files and adjust the power state transition heuristics
 240 * via the pp_power_profile_mode sysfs file.
 241 *
 242 * profile_standard
 243 * profile_min_sclk
 244 * profile_min_mclk
 245 * profile_peak
 246 *
 247 * When the profiling modes are selected, clock and power gating are
 248 * disabled and the clocks are set for different profiling cases. This
 249 * mode is recommended for profiling specific work loads where you do
 250 * not want clock or power gating for clock fluctuation to interfere
 251 * with your results. profile_standard sets the clocks to a fixed clock
 252 * level which varies from asic to asic.  profile_min_sclk forces the sclk
 253 * to the lowest level.  profile_min_mclk forces the mclk to the lowest level.
 254 * profile_peak sets all clocks (mclk, sclk, pcie) to the highest levels.
 255 *
 256 */
 257
 258static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
 259							    struct device_attribute *attr,
 260							    char *buf)
 261{
 262	struct drm_device *ddev = dev_get_drvdata(dev);
 263	struct amdgpu_device *adev = drm_to_adev(ddev);
 264	enum amd_dpm_forced_level level = 0xff;
 265	int ret;
 266
 267	if (amdgpu_in_reset(adev))
 268		return -EPERM;
 269	if (adev->in_suspend && !adev->in_runpm)
 270		return -EPERM;
 271
 272	ret = pm_runtime_get_sync(ddev->dev);
 273	if (ret < 0) {
 274		pm_runtime_put_autosuspend(ddev->dev);
 275		return ret;
 276	}
 277
 278	level = amdgpu_dpm_get_performance_level(adev);
 279
 280	pm_runtime_mark_last_busy(ddev->dev);
 281	pm_runtime_put_autosuspend(ddev->dev);
 282
 283	return sysfs_emit(buf, "%s\n",
 284			  (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" :
 285			  (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" :
 286			  (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" :
 287			  (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" :
 288			  (level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) ? "profile_standard" :
 289			  (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) ? "profile_min_sclk" :
 290			  (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) ? "profile_min_mclk" :
 291			  (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) ? "profile_peak" :
 292			  (level == AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) ? "perf_determinism" :
 293			  "unknown");
 294}
 295
 296static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
 297							    struct device_attribute *attr,
 298							    const char *buf,
 299							    size_t count)
 300{
 301	struct drm_device *ddev = dev_get_drvdata(dev);
 302	struct amdgpu_device *adev = drm_to_adev(ddev);
 303	enum amd_dpm_forced_level level;
 304	int ret = 0;
 305
 306	if (amdgpu_in_reset(adev))
 307		return -EPERM;
 308	if (adev->in_suspend && !adev->in_runpm)
 309		return -EPERM;
 310
 311	if (strncmp("low", buf, strlen("low")) == 0) {
 312		level = AMD_DPM_FORCED_LEVEL_LOW;
 313	} else if (strncmp("high", buf, strlen("high")) == 0) {
 314		level = AMD_DPM_FORCED_LEVEL_HIGH;
 315	} else if (strncmp("auto", buf, strlen("auto")) == 0) {
 316		level = AMD_DPM_FORCED_LEVEL_AUTO;
 317	} else if (strncmp("manual", buf, strlen("manual")) == 0) {
 318		level = AMD_DPM_FORCED_LEVEL_MANUAL;
 319	} else if (strncmp("profile_exit", buf, strlen("profile_exit")) == 0) {
 320		level = AMD_DPM_FORCED_LEVEL_PROFILE_EXIT;
 321	} else if (strncmp("profile_standard", buf, strlen("profile_standard")) == 0) {
 322		level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD;
 323	} else if (strncmp("profile_min_sclk", buf, strlen("profile_min_sclk")) == 0) {
 324		level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK;
 325	} else if (strncmp("profile_min_mclk", buf, strlen("profile_min_mclk")) == 0) {
 326		level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK;
 327	} else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) {
 328		level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
 329	} else if (strncmp("perf_determinism", buf, strlen("perf_determinism")) == 0) {
 330		level = AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM;
 331	}  else {
 332		return -EINVAL;
 333	}
 334
 335	ret = pm_runtime_get_sync(ddev->dev);
 336	if (ret < 0) {
 337		pm_runtime_put_autosuspend(ddev->dev);
 338		return ret;
 339	}
 340
 341	mutex_lock(&adev->pm.stable_pstate_ctx_lock);
 342	if (amdgpu_dpm_force_performance_level(adev, level)) {
 343		pm_runtime_mark_last_busy(ddev->dev);
 344		pm_runtime_put_autosuspend(ddev->dev);
 345		mutex_unlock(&adev->pm.stable_pstate_ctx_lock);
 346		return -EINVAL;
 347	}
 348	/* override whatever a user ctx may have set */
 349	adev->pm.stable_pstate_ctx = NULL;
 350	mutex_unlock(&adev->pm.stable_pstate_ctx_lock);
 351
 352	pm_runtime_mark_last_busy(ddev->dev);
 353	pm_runtime_put_autosuspend(ddev->dev);
 354
 355	return count;
 356}
 357
 358static ssize_t amdgpu_get_pp_num_states(struct device *dev,
 359		struct device_attribute *attr,
 360		char *buf)
 361{
 362	struct drm_device *ddev = dev_get_drvdata(dev);
 363	struct amdgpu_device *adev = drm_to_adev(ddev);
 364	struct pp_states_info data;
 365	uint32_t i;
 366	int buf_len, ret;
 367
 368	if (amdgpu_in_reset(adev))
 369		return -EPERM;
 370	if (adev->in_suspend && !adev->in_runpm)
 371		return -EPERM;
 372
 373	ret = pm_runtime_get_sync(ddev->dev);
 374	if (ret < 0) {
 375		pm_runtime_put_autosuspend(ddev->dev);
 376		return ret;
 377	}
 378
 379	if (amdgpu_dpm_get_pp_num_states(adev, &data))
 380		memset(&data, 0, sizeof(data));
 381
 382	pm_runtime_mark_last_busy(ddev->dev);
 383	pm_runtime_put_autosuspend(ddev->dev);
 384
 385	buf_len = sysfs_emit(buf, "states: %d\n", data.nums);
 386	for (i = 0; i < data.nums; i++)
 387		buf_len += sysfs_emit_at(buf, buf_len, "%d %s\n", i,
 388				(data.states[i] == POWER_STATE_TYPE_INTERNAL_BOOT) ? "boot" :
 389				(data.states[i] == POWER_STATE_TYPE_BATTERY) ? "battery" :
 390				(data.states[i] == POWER_STATE_TYPE_BALANCED) ? "balanced" :
 391				(data.states[i] == POWER_STATE_TYPE_PERFORMANCE) ? "performance" : "default");
 392
 393	return buf_len;
 394}
 395
 396static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
 397		struct device_attribute *attr,
 398		char *buf)
 399{
 400	struct drm_device *ddev = dev_get_drvdata(dev);
 401	struct amdgpu_device *adev = drm_to_adev(ddev);
 402	struct pp_states_info data = {0};
 403	enum amd_pm_state_type pm = 0;
 404	int i = 0, ret = 0;
 405
 406	if (amdgpu_in_reset(adev))
 407		return -EPERM;
 408	if (adev->in_suspend && !adev->in_runpm)
 409		return -EPERM;
 410
 411	ret = pm_runtime_get_sync(ddev->dev);
 412	if (ret < 0) {
 413		pm_runtime_put_autosuspend(ddev->dev);
 414		return ret;
 415	}
 416
 417	amdgpu_dpm_get_current_power_state(adev, &pm);
 418
 419	ret = amdgpu_dpm_get_pp_num_states(adev, &data);
 420
 421	pm_runtime_mark_last_busy(ddev->dev);
 422	pm_runtime_put_autosuspend(ddev->dev);
 423
 424	if (ret)
 425		return ret;
 426
 427	for (i = 0; i < data.nums; i++) {
 428		if (pm == data.states[i])
 429			break;
 430	}
 431
 432	if (i == data.nums)
 433		i = -EINVAL;
 434
 435	return sysfs_emit(buf, "%d\n", i);
 436}
 437
 438static ssize_t amdgpu_get_pp_force_state(struct device *dev,
 439		struct device_attribute *attr,
 440		char *buf)
 441{
 442	struct drm_device *ddev = dev_get_drvdata(dev);
 443	struct amdgpu_device *adev = drm_to_adev(ddev);
 444
 445	if (amdgpu_in_reset(adev))
 446		return -EPERM;
 447	if (adev->in_suspend && !adev->in_runpm)
 448		return -EPERM;
 449
 450	if (adev->pm.pp_force_state_enabled)
 451		return amdgpu_get_pp_cur_state(dev, attr, buf);
 452	else
 453		return sysfs_emit(buf, "\n");
 454}
 455
 456static ssize_t amdgpu_set_pp_force_state(struct device *dev,
 457		struct device_attribute *attr,
 458		const char *buf,
 459		size_t count)
 460{
 461	struct drm_device *ddev = dev_get_drvdata(dev);
 462	struct amdgpu_device *adev = drm_to_adev(ddev);
 463	enum amd_pm_state_type state = 0;
 464	struct pp_states_info data;
 465	unsigned long idx;
 466	int ret;
 467
 468	if (amdgpu_in_reset(adev))
 469		return -EPERM;
 470	if (adev->in_suspend && !adev->in_runpm)
 471		return -EPERM;
 472
 473	adev->pm.pp_force_state_enabled = false;
 474
 475	if (strlen(buf) == 1)
 476		return count;
 477
 478	ret = kstrtoul(buf, 0, &idx);
 479	if (ret || idx >= ARRAY_SIZE(data.states))
 480		return -EINVAL;
 481
 482	idx = array_index_nospec(idx, ARRAY_SIZE(data.states));
 483
 484	ret = pm_runtime_get_sync(ddev->dev);
 485	if (ret < 0) {
 486		pm_runtime_put_autosuspend(ddev->dev);
 487		return ret;
 488	}
 489
 490	ret = amdgpu_dpm_get_pp_num_states(adev, &data);
 491	if (ret)
 492		goto err_out;
 493
 494	state = data.states[idx];
 495
 496	/* only set user selected power states */
 497	if (state != POWER_STATE_TYPE_INTERNAL_BOOT &&
 498	    state != POWER_STATE_TYPE_DEFAULT) {
 499		ret = amdgpu_dpm_dispatch_task(adev,
 500				AMD_PP_TASK_ENABLE_USER_STATE, &state);
 501		if (ret)
 502			goto err_out;
 503
 504		adev->pm.pp_force_state_enabled = true;
 505	}
 506
 507	pm_runtime_mark_last_busy(ddev->dev);
 508	pm_runtime_put_autosuspend(ddev->dev);
 509
 510	return count;
 511
 512err_out:
 513	pm_runtime_mark_last_busy(ddev->dev);
 514	pm_runtime_put_autosuspend(ddev->dev);
 515	return ret;
 516}
 517
 518/**
 519 * DOC: pp_table
 520 *
 521 * The amdgpu driver provides a sysfs API for uploading new powerplay
 522 * tables.  The file pp_table is used for this.  Reading the file
 523 * will dump the current power play table.  Writing to the file
 524 * will attempt to upload a new powerplay table and re-initialize
 525 * powerplay using that new table.
 526 *
 527 */
 528
 529static ssize_t amdgpu_get_pp_table(struct device *dev,
 530		struct device_attribute *attr,
 531		char *buf)
 532{
 533	struct drm_device *ddev = dev_get_drvdata(dev);
 534	struct amdgpu_device *adev = drm_to_adev(ddev);
 535	char *table = NULL;
 536	int size, ret;
 537
 538	if (amdgpu_in_reset(adev))
 539		return -EPERM;
 540	if (adev->in_suspend && !adev->in_runpm)
 541		return -EPERM;
 542
 543	ret = pm_runtime_get_sync(ddev->dev);
 544	if (ret < 0) {
 545		pm_runtime_put_autosuspend(ddev->dev);
 546		return ret;
 547	}
 548
 549	size = amdgpu_dpm_get_pp_table(adev, &table);
 550
 551	pm_runtime_mark_last_busy(ddev->dev);
 552	pm_runtime_put_autosuspend(ddev->dev);
 553
 554	if (size <= 0)
 555		return size;
 556
 557	if (size >= PAGE_SIZE)
 558		size = PAGE_SIZE - 1;
 559
 560	memcpy(buf, table, size);
 561
 562	return size;
 563}
 564
 565static ssize_t amdgpu_set_pp_table(struct device *dev,
 566		struct device_attribute *attr,
 567		const char *buf,
 568		size_t count)
 569{
 570	struct drm_device *ddev = dev_get_drvdata(dev);
 571	struct amdgpu_device *adev = drm_to_adev(ddev);
 572	int ret = 0;
 573
 574	if (amdgpu_in_reset(adev))
 575		return -EPERM;
 576	if (adev->in_suspend && !adev->in_runpm)
 577		return -EPERM;
 578
 579	ret = pm_runtime_get_sync(ddev->dev);
 580	if (ret < 0) {
 581		pm_runtime_put_autosuspend(ddev->dev);
 582		return ret;
 583	}
 584
 585	ret = amdgpu_dpm_set_pp_table(adev, buf, count);
 586
 587	pm_runtime_mark_last_busy(ddev->dev);
 588	pm_runtime_put_autosuspend(ddev->dev);
 589
 590	if (ret)
 591		return ret;
 592
 593	return count;
 594}
 595
 596/**
 597 * DOC: pp_od_clk_voltage
 598 *
 599 * The amdgpu driver provides a sysfs API for adjusting the clocks and voltages
 600 * in each power level within a power state.  The pp_od_clk_voltage is used for
 601 * this.
 602 *
 603 * Note that the actual memory controller clock rate are exposed, not
 604 * the effective memory clock of the DRAMs. To translate it, use the
 605 * following formula:
 606 *
 607 * Clock conversion (Mhz):
 608 *
 609 * HBM: effective_memory_clock = memory_controller_clock * 1
 610 *
 611 * G5: effective_memory_clock = memory_controller_clock * 1
 612 *
 613 * G6: effective_memory_clock = memory_controller_clock * 2
 614 *
 615 * DRAM data rate (MT/s):
 616 *
 617 * HBM: effective_memory_clock * 2 = data_rate
 618 *
 619 * G5: effective_memory_clock * 4 = data_rate
 620 *
 621 * G6: effective_memory_clock * 8 = data_rate
 622 *
 623 * Bandwidth (MB/s):
 624 *
 625 * data_rate * vram_bit_width / 8 = memory_bandwidth
 626 *
 627 * Some examples:
 628 *
 629 * G5 on RX460:
 630 *
 631 * memory_controller_clock = 1750 Mhz
 632 *
 633 * effective_memory_clock = 1750 Mhz * 1 = 1750 Mhz
 634 *
 635 * data rate = 1750 * 4 = 7000 MT/s
 636 *
 637 * memory_bandwidth = 7000 * 128 bits / 8 = 112000 MB/s
 638 *
 639 * G6 on RX5700:
 640 *
 641 * memory_controller_clock = 875 Mhz
 642 *
 643 * effective_memory_clock = 875 Mhz * 2 = 1750 Mhz
 644 *
 645 * data rate = 1750 * 8 = 14000 MT/s
 646 *
 647 * memory_bandwidth = 14000 * 256 bits / 8 = 448000 MB/s
 648 *
 649 * < For Vega10 and previous ASICs >
 650 *
 651 * Reading the file will display:
 652 *
 653 * - a list of engine clock levels and voltages labeled OD_SCLK
 654 *
 655 * - a list of memory clock levels and voltages labeled OD_MCLK
 656 *
 657 * - a list of valid ranges for sclk, mclk, and voltage labeled OD_RANGE
 658 *
 659 * To manually adjust these settings, first select manual using
 660 * power_dpm_force_performance_level. Enter a new value for each
 661 * level by writing a string that contains "s/m level clock voltage" to
 662 * the file.  E.g., "s 1 500 820" will update sclk level 1 to be 500 MHz
 663 * at 820 mV; "m 0 350 810" will update mclk level 0 to be 350 MHz at
 664 * 810 mV.  When you have edited all of the states as needed, write
 665 * "c" (commit) to the file to commit your changes.  If you want to reset to the
 666 * default power levels, write "r" (reset) to the file to reset them.
 667 *
 668 *
 669 * < For Vega20 and newer ASICs >
 670 *
 671 * Reading the file will display:
 672 *
 673 * - minimum and maximum engine clock labeled OD_SCLK
 674 *
 675 * - minimum(not available for Vega20 and Navi1x) and maximum memory
 676 *   clock labeled OD_MCLK
 677 *
 678 * - three <frequency, voltage> points labeled OD_VDDC_CURVE.
 679 *   They can be used to calibrate the sclk voltage curve.
 680 *
 681 * - voltage offset(in mV) applied on target voltage calculation.
 682 *   This is available for Sienna Cichlid, Navy Flounder and Dimgrey
 683 *   Cavefish. For these ASICs, the target voltage calculation can be
 684 *   illustrated by "voltage = voltage calculated from v/f curve +
 685 *   overdrive vddgfx offset"
 686 *
 687 * - a list of valid ranges for sclk, mclk, and voltage curve points
 688 *   labeled OD_RANGE
 689 *
 690 * < For APUs >
 691 *
 692 * Reading the file will display:
 693 *
 694 * - minimum and maximum engine clock labeled OD_SCLK
 695 *
 696 * - a list of valid ranges for sclk labeled OD_RANGE
 697 *
 698 * < For VanGogh >
 699 *
 700 * Reading the file will display:
 701 *
 702 * - minimum and maximum engine clock labeled OD_SCLK
 703 * - minimum and maximum core clocks labeled OD_CCLK
 704 *
 705 * - a list of valid ranges for sclk and cclk labeled OD_RANGE
 706 *
 707 * To manually adjust these settings:
 708 *
 709 * - First select manual using power_dpm_force_performance_level
 710 *
 711 * - For clock frequency setting, enter a new value by writing a
 712 *   string that contains "s/m index clock" to the file. The index
 713 *   should be 0 if to set minimum clock. And 1 if to set maximum
 714 *   clock. E.g., "s 0 500" will update minimum sclk to be 500 MHz.
 715 *   "m 1 800" will update maximum mclk to be 800Mhz. For core
 716 *   clocks on VanGogh, the string contains "p core index clock".
 717 *   E.g., "p 2 0 800" would set the minimum core clock on core
 718 *   2 to 800Mhz.
 719 *
 720 *   For sclk voltage curve, enter the new values by writing a
 721 *   string that contains "vc point clock voltage" to the file. The
 722 *   points are indexed by 0, 1 and 2. E.g., "vc 0 300 600" will
 723 *   update point1 with clock set as 300Mhz and voltage as
 724 *   600mV. "vc 2 1000 1000" will update point3 with clock set
 725 *   as 1000Mhz and voltage 1000mV.
 726 *
 727 *   To update the voltage offset applied for gfxclk/voltage calculation,
 728 *   enter the new value by writing a string that contains "vo offset".
 729 *   This is supported by Sienna Cichlid, Navy Flounder and Dimgrey Cavefish.
 730 *   And the offset can be a positive or negative value.
 731 *
 732 * - When you have edited all of the states as needed, write "c" (commit)
 733 *   to the file to commit your changes
 734 *
 735 * - If you want to reset to the default power levels, write "r" (reset)
 736 *   to the file to reset them
 737 *
 738 */
 739
 740static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
 741		struct device_attribute *attr,
 742		const char *buf,
 743		size_t count)
 744{
 745	struct drm_device *ddev = dev_get_drvdata(dev);
 746	struct amdgpu_device *adev = drm_to_adev(ddev);
 747	int ret;
 748	uint32_t parameter_size = 0;
 749	long parameter[64];
 750	char buf_cpy[128];
 751	char *tmp_str;
 752	char *sub_str;
 753	const char delimiter[3] = {' ', '\n', '\0'};
 754	uint32_t type;
 755
 756	if (amdgpu_in_reset(adev))
 757		return -EPERM;
 758	if (adev->in_suspend && !adev->in_runpm)
 759		return -EPERM;
 760
 761	if (count > 127)
 762		return -EINVAL;
 763
 764	if (*buf == 's')
 765		type = PP_OD_EDIT_SCLK_VDDC_TABLE;
 766	else if (*buf == 'p')
 767		type = PP_OD_EDIT_CCLK_VDDC_TABLE;
 768	else if (*buf == 'm')
 769		type = PP_OD_EDIT_MCLK_VDDC_TABLE;
 770	else if(*buf == 'r')
 771		type = PP_OD_RESTORE_DEFAULT_TABLE;
 772	else if (*buf == 'c')
 773		type = PP_OD_COMMIT_DPM_TABLE;
 774	else if (!strncmp(buf, "vc", 2))
 775		type = PP_OD_EDIT_VDDC_CURVE;
 776	else if (!strncmp(buf, "vo", 2))
 777		type = PP_OD_EDIT_VDDGFX_OFFSET;
 778	else
 779		return -EINVAL;
 780
 781	memcpy(buf_cpy, buf, count+1);
 782
 783	tmp_str = buf_cpy;
 784
 785	if ((type == PP_OD_EDIT_VDDC_CURVE) ||
 786	     (type == PP_OD_EDIT_VDDGFX_OFFSET))
 787		tmp_str++;
 788	while (isspace(*++tmp_str));
 789
 790	while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
 791		if (strlen(sub_str) == 0)
 792			continue;
 793		ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
 794		if (ret)
 795			return -EINVAL;
 796		parameter_size++;
 797
 798		while (isspace(*tmp_str))
 799			tmp_str++;
 800	}
 801
 802	ret = pm_runtime_get_sync(ddev->dev);
 803	if (ret < 0) {
 804		pm_runtime_put_autosuspend(ddev->dev);
 805		return ret;
 806	}
 807
 808	if (amdgpu_dpm_set_fine_grain_clk_vol(adev,
 809					      type,
 810					      parameter,
 811					      parameter_size))
 812		goto err_out;
 813
 814	if (amdgpu_dpm_odn_edit_dpm_table(adev, type,
 815					  parameter, parameter_size))
 816		goto err_out;
 817
 818	if (type == PP_OD_COMMIT_DPM_TABLE) {
 819		if (amdgpu_dpm_dispatch_task(adev,
 820					     AMD_PP_TASK_READJUST_POWER_STATE,
 821					     NULL))
 822			goto err_out;
 823	}
 824
 825	pm_runtime_mark_last_busy(ddev->dev);
 826	pm_runtime_put_autosuspend(ddev->dev);
 827
 828	return count;
 829
 830err_out:
 831	pm_runtime_mark_last_busy(ddev->dev);
 832	pm_runtime_put_autosuspend(ddev->dev);
 833	return -EINVAL;
 834}
 835
 836static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
 837		struct device_attribute *attr,
 838		char *buf)
 839{
 840	struct drm_device *ddev = dev_get_drvdata(dev);
 841	struct amdgpu_device *adev = drm_to_adev(ddev);
 842	int size = 0;
 843	int ret;
 844	enum pp_clock_type od_clocks[6] = {
 845		OD_SCLK,
 846		OD_MCLK,
 847		OD_VDDC_CURVE,
 848		OD_RANGE,
 849		OD_VDDGFX_OFFSET,
 850		OD_CCLK,
 851	};
 852	uint clk_index;
 853
 854	if (amdgpu_in_reset(adev))
 855		return -EPERM;
 856	if (adev->in_suspend && !adev->in_runpm)
 857		return -EPERM;
 858
 859	ret = pm_runtime_get_sync(ddev->dev);
 860	if (ret < 0) {
 861		pm_runtime_put_autosuspend(ddev->dev);
 862		return ret;
 863	}
 864
 865	for (clk_index = 0 ; clk_index < 6 ; clk_index++) {
 866		ret = amdgpu_dpm_emit_clock_levels(adev, od_clocks[clk_index], buf, &size);
 867		if (ret)
 868			break;
 869	}
 870	if (ret == -ENOENT) {
 871		size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf);
 872		if (size > 0) {
 873			size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf + size);
 874			size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf + size);
 875			size += amdgpu_dpm_print_clock_levels(adev, OD_VDDGFX_OFFSET, buf + size);
 876			size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf + size);
 877			size += amdgpu_dpm_print_clock_levels(adev, OD_CCLK, buf + size);
 878		}
 879	}
 880
 881	if (size == 0)
 882		size = sysfs_emit(buf, "\n");
 883
 884	pm_runtime_mark_last_busy(ddev->dev);
 885	pm_runtime_put_autosuspend(ddev->dev);
 886
 887	return size;
 888}
 889
 890/**
 891 * DOC: pp_features
 892 *
 893 * The amdgpu driver provides a sysfs API for adjusting what powerplay
 894 * features to be enabled. The file pp_features is used for this. And
 895 * this is only available for Vega10 and later dGPUs.
 896 *
 897 * Reading back the file will show you the followings:
 898 * - Current ppfeature masks
 899 * - List of the all supported powerplay features with their naming,
 900 *   bitmasks and enablement status('Y'/'N' means "enabled"/"disabled").
 901 *
 902 * To manually enable or disable a specific feature, just set or clear
 903 * the corresponding bit from original ppfeature masks and input the
 904 * new ppfeature masks.
 905 */
 906static ssize_t amdgpu_set_pp_features(struct device *dev,
 907				      struct device_attribute *attr,
 908				      const char *buf,
 909				      size_t count)
 910{
 911	struct drm_device *ddev = dev_get_drvdata(dev);
 912	struct amdgpu_device *adev = drm_to_adev(ddev);
 913	uint64_t featuremask;
 914	int ret;
 915
 916	if (amdgpu_in_reset(adev))
 917		return -EPERM;
 918	if (adev->in_suspend && !adev->in_runpm)
 919		return -EPERM;
 920
 921	ret = kstrtou64(buf, 0, &featuremask);
 922	if (ret)
 923		return -EINVAL;
 924
 925	ret = pm_runtime_get_sync(ddev->dev);
 926	if (ret < 0) {
 927		pm_runtime_put_autosuspend(ddev->dev);
 928		return ret;
 929	}
 930
 931	ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
 932
 933	pm_runtime_mark_last_busy(ddev->dev);
 934	pm_runtime_put_autosuspend(ddev->dev);
 935
 936	if (ret)
 937		return -EINVAL;
 938
 939	return count;
 940}
 941
 942static ssize_t amdgpu_get_pp_features(struct device *dev,
 943				      struct device_attribute *attr,
 944				      char *buf)
 945{
 946	struct drm_device *ddev = dev_get_drvdata(dev);
 947	struct amdgpu_device *adev = drm_to_adev(ddev);
 948	ssize_t size;
 949	int ret;
 950
 951	if (amdgpu_in_reset(adev))
 952		return -EPERM;
 953	if (adev->in_suspend && !adev->in_runpm)
 954		return -EPERM;
 955
 956	ret = pm_runtime_get_sync(ddev->dev);
 957	if (ret < 0) {
 958		pm_runtime_put_autosuspend(ddev->dev);
 959		return ret;
 960	}
 961
 962	size = amdgpu_dpm_get_ppfeature_status(adev, buf);
 963	if (size <= 0)
 964		size = sysfs_emit(buf, "\n");
 965
 966	pm_runtime_mark_last_busy(ddev->dev);
 967	pm_runtime_put_autosuspend(ddev->dev);
 968
 969	return size;
 970}
 971
 972/**
 973 * DOC: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie
 974 *
 975 * The amdgpu driver provides a sysfs API for adjusting what power levels
 976 * are enabled for a given power state.  The files pp_dpm_sclk, pp_dpm_mclk,
 977 * pp_dpm_socclk, pp_dpm_fclk, pp_dpm_dcefclk and pp_dpm_pcie are used for
 978 * this.
 979 *
 980 * pp_dpm_socclk and pp_dpm_dcefclk interfaces are only available for
 981 * Vega10 and later ASICs.
 982 * pp_dpm_fclk interface is only available for Vega20 and later ASICs.
 983 *
 984 * Reading back the files will show you the available power levels within
 985 * the power state and the clock information for those levels.
 986 *
 987 * To manually adjust these states, first select manual using
 988 * power_dpm_force_performance_level.
 989 * Secondly, enter a new value for each level by inputing a string that
 990 * contains " echo xx xx xx > pp_dpm_sclk/mclk/pcie"
 991 * E.g.,
 992 *
 993 * .. code-block:: bash
 994 *
 995 *	echo "4 5 6" > pp_dpm_sclk
 996 *
 997 * will enable sclk levels 4, 5, and 6.
 998 *
 999 * NOTE: change to the dcefclk max dpm level is not supported now
1000 */
1001
1002static ssize_t amdgpu_get_pp_dpm_clock(struct device *dev,
1003		enum pp_clock_type type,
1004		char *buf)
1005{
1006	struct drm_device *ddev = dev_get_drvdata(dev);
1007	struct amdgpu_device *adev = drm_to_adev(ddev);
1008	int size = 0;
1009	int ret = 0;
1010
1011	if (amdgpu_in_reset(adev))
1012		return -EPERM;
1013	if (adev->in_suspend && !adev->in_runpm)
1014		return -EPERM;
1015
1016	ret = pm_runtime_get_sync(ddev->dev);
1017	if (ret < 0) {
1018		pm_runtime_put_autosuspend(ddev->dev);
1019		return ret;
1020	}
1021
1022	ret = amdgpu_dpm_emit_clock_levels(adev, type, buf, &size);
1023	if (ret == -ENOENT)
1024		size = amdgpu_dpm_print_clock_levels(adev, type, buf);
1025
1026	if (size == 0)
1027		size = sysfs_emit(buf, "\n");
1028
1029	pm_runtime_mark_last_busy(ddev->dev);
1030	pm_runtime_put_autosuspend(ddev->dev);
1031
1032	return size;
1033}
1034
1035/*
1036 * Worst case: 32 bits individually specified, in octal at 12 characters
1037 * per line (+1 for \n).
1038 */
1039#define AMDGPU_MASK_BUF_MAX	(32 * 13)
1040
1041static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
1042{
1043	int ret;
1044	unsigned long level;
1045	char *sub_str = NULL;
1046	char *tmp;
1047	char buf_cpy[AMDGPU_MASK_BUF_MAX + 1];
1048	const char delimiter[3] = {' ', '\n', '\0'};
1049	size_t bytes;
1050
1051	*mask = 0;
1052
1053	bytes = min(count, sizeof(buf_cpy) - 1);
1054	memcpy(buf_cpy, buf, bytes);
1055	buf_cpy[bytes] = '\0';
1056	tmp = buf_cpy;
1057	while ((sub_str = strsep(&tmp, delimiter)) != NULL) {
1058		if (strlen(sub_str)) {
1059			ret = kstrtoul(sub_str, 0, &level);
1060			if (ret || level > 31)
1061				return -EINVAL;
1062			*mask |= 1 << level;
1063		} else
1064			break;
1065	}
1066
1067	return 0;
1068}
1069
1070static ssize_t amdgpu_set_pp_dpm_clock(struct device *dev,
1071		enum pp_clock_type type,
1072		const char *buf,
1073		size_t count)
1074{
1075	struct drm_device *ddev = dev_get_drvdata(dev);
1076	struct amdgpu_device *adev = drm_to_adev(ddev);
1077	int ret;
1078	uint32_t mask = 0;
1079
1080	if (amdgpu_in_reset(adev))
1081		return -EPERM;
1082	if (adev->in_suspend && !adev->in_runpm)
1083		return -EPERM;
1084
1085	ret = amdgpu_read_mask(buf, count, &mask);
1086	if (ret)
1087		return ret;
1088
1089	ret = pm_runtime_get_sync(ddev->dev);
1090	if (ret < 0) {
1091		pm_runtime_put_autosuspend(ddev->dev);
1092		return ret;
1093	}
1094
1095	ret = amdgpu_dpm_force_clock_level(adev, type, mask);
1096
1097	pm_runtime_mark_last_busy(ddev->dev);
1098	pm_runtime_put_autosuspend(ddev->dev);
1099
1100	if (ret)
1101		return -EINVAL;
1102
1103	return count;
1104}
1105
1106static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
1107		struct device_attribute *attr,
1108		char *buf)
1109{
1110	return amdgpu_get_pp_dpm_clock(dev, PP_SCLK, buf);
1111}
1112
1113static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
1114		struct device_attribute *attr,
1115		const char *buf,
1116		size_t count)
1117{
1118	return amdgpu_set_pp_dpm_clock(dev, PP_SCLK, buf, count);
1119}
1120
1121static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
1122		struct device_attribute *attr,
1123		char *buf)
1124{
1125	return amdgpu_get_pp_dpm_clock(dev, PP_MCLK, buf);
1126}
1127
1128static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
1129		struct device_attribute *attr,
1130		const char *buf,
1131		size_t count)
1132{
1133	return amdgpu_set_pp_dpm_clock(dev, PP_MCLK, buf, count);
1134}
1135
1136static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
1137		struct device_attribute *attr,
1138		char *buf)
1139{
1140	return amdgpu_get_pp_dpm_clock(dev, PP_SOCCLK, buf);
1141}
1142
1143static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
1144		struct device_attribute *attr,
1145		const char *buf,
1146		size_t count)
1147{
1148	return amdgpu_set_pp_dpm_clock(dev, PP_SOCCLK, buf, count);
1149}
1150
1151static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
1152		struct device_attribute *attr,
1153		char *buf)
1154{
1155	return amdgpu_get_pp_dpm_clock(dev, PP_FCLK, buf);
1156}
1157
1158static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
1159		struct device_attribute *attr,
1160		const char *buf,
1161		size_t count)
1162{
1163	return amdgpu_set_pp_dpm_clock(dev, PP_FCLK, buf, count);
1164}
1165
1166static ssize_t amdgpu_get_pp_dpm_vclk(struct device *dev,
1167		struct device_attribute *attr,
1168		char *buf)
1169{
1170	return amdgpu_get_pp_dpm_clock(dev, PP_VCLK, buf);
1171}
1172
1173static ssize_t amdgpu_set_pp_dpm_vclk(struct device *dev,
1174		struct device_attribute *attr,
1175		const char *buf,
1176		size_t count)
1177{
1178	return amdgpu_set_pp_dpm_clock(dev, PP_VCLK, buf, count);
1179}
1180
1181static ssize_t amdgpu_get_pp_dpm_dclk(struct device *dev,
1182		struct device_attribute *attr,
1183		char *buf)
1184{
1185	return amdgpu_get_pp_dpm_clock(dev, PP_DCLK, buf);
1186}
1187
1188static ssize_t amdgpu_set_pp_dpm_dclk(struct device *dev,
1189		struct device_attribute *attr,
1190		const char *buf,
1191		size_t count)
1192{
1193	return amdgpu_set_pp_dpm_clock(dev, PP_DCLK, buf, count);
1194}
1195
1196static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
1197		struct device_attribute *attr,
1198		char *buf)
1199{
1200	return amdgpu_get_pp_dpm_clock(dev, PP_DCEFCLK, buf);
1201}
1202
1203static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
1204		struct device_attribute *attr,
1205		const char *buf,
1206		size_t count)
1207{
1208	return amdgpu_set_pp_dpm_clock(dev, PP_DCEFCLK, buf, count);
1209}
1210
1211static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
1212		struct device_attribute *attr,
1213		char *buf)
1214{
1215	return amdgpu_get_pp_dpm_clock(dev, PP_PCIE, buf);
1216}
1217
1218static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
1219		struct device_attribute *attr,
1220		const char *buf,
1221		size_t count)
1222{
1223	return amdgpu_set_pp_dpm_clock(dev, PP_PCIE, buf, count);
1224}
1225
1226static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
1227		struct device_attribute *attr,
1228		char *buf)
1229{
1230	struct drm_device *ddev = dev_get_drvdata(dev);
1231	struct amdgpu_device *adev = drm_to_adev(ddev);
1232	uint32_t value = 0;
1233	int ret;
1234
1235	if (amdgpu_in_reset(adev))
1236		return -EPERM;
1237	if (adev->in_suspend && !adev->in_runpm)
1238		return -EPERM;
1239
1240	ret = pm_runtime_get_sync(ddev->dev);
1241	if (ret < 0) {
1242		pm_runtime_put_autosuspend(ddev->dev);
1243		return ret;
1244	}
1245
1246	value = amdgpu_dpm_get_sclk_od(adev);
1247
1248	pm_runtime_mark_last_busy(ddev->dev);
1249	pm_runtime_put_autosuspend(ddev->dev);
1250
1251	return sysfs_emit(buf, "%d\n", value);
1252}
1253
1254static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
1255		struct device_attribute *attr,
1256		const char *buf,
1257		size_t count)
1258{
1259	struct drm_device *ddev = dev_get_drvdata(dev);
1260	struct amdgpu_device *adev = drm_to_adev(ddev);
1261	int ret;
1262	long int value;
1263
1264	if (amdgpu_in_reset(adev))
1265		return -EPERM;
1266	if (adev->in_suspend && !adev->in_runpm)
1267		return -EPERM;
1268
1269	ret = kstrtol(buf, 0, &value);
1270
1271	if (ret)
1272		return -EINVAL;
1273
1274	ret = pm_runtime_get_sync(ddev->dev);
1275	if (ret < 0) {
1276		pm_runtime_put_autosuspend(ddev->dev);
1277		return ret;
1278	}
1279
1280	amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
1281
1282	pm_runtime_mark_last_busy(ddev->dev);
1283	pm_runtime_put_autosuspend(ddev->dev);
1284
1285	return count;
1286}
1287
1288static ssize_t amdgpu_get_pp_mclk_od(struct device *dev,
1289		struct device_attribute *attr,
1290		char *buf)
1291{
1292	struct drm_device *ddev = dev_get_drvdata(dev);
1293	struct amdgpu_device *adev = drm_to_adev(ddev);
1294	uint32_t value = 0;
1295	int ret;
1296
1297	if (amdgpu_in_reset(adev))
1298		return -EPERM;
1299	if (adev->in_suspend && !adev->in_runpm)
1300		return -EPERM;
1301
1302	ret = pm_runtime_get_sync(ddev->dev);
1303	if (ret < 0) {
1304		pm_runtime_put_autosuspend(ddev->dev);
1305		return ret;
1306	}
1307
1308	value = amdgpu_dpm_get_mclk_od(adev);
1309
1310	pm_runtime_mark_last_busy(ddev->dev);
1311	pm_runtime_put_autosuspend(ddev->dev);
1312
1313	return sysfs_emit(buf, "%d\n", value);
1314}
1315
1316static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
1317		struct device_attribute *attr,
1318		const char *buf,
1319		size_t count)
1320{
1321	struct drm_device *ddev = dev_get_drvdata(dev);
1322	struct amdgpu_device *adev = drm_to_adev(ddev);
1323	int ret;
1324	long int value;
1325
1326	if (amdgpu_in_reset(adev))
1327		return -EPERM;
1328	if (adev->in_suspend && !adev->in_runpm)
1329		return -EPERM;
1330
1331	ret = kstrtol(buf, 0, &value);
1332
1333	if (ret)
1334		return -EINVAL;
1335
1336	ret = pm_runtime_get_sync(ddev->dev);
1337	if (ret < 0) {
1338		pm_runtime_put_autosuspend(ddev->dev);
1339		return ret;
1340	}
1341
1342	amdgpu_dpm_set_mclk_od(adev, (uint32_t)value);
1343
1344	pm_runtime_mark_last_busy(ddev->dev);
1345	pm_runtime_put_autosuspend(ddev->dev);
1346
1347	return count;
1348}
1349
1350/**
1351 * DOC: pp_power_profile_mode
1352 *
1353 * The amdgpu driver provides a sysfs API for adjusting the heuristics
1354 * related to switching between power levels in a power state.  The file
1355 * pp_power_profile_mode is used for this.
1356 *
1357 * Reading this file outputs a list of all of the predefined power profiles
1358 * and the relevant heuristics settings for that profile.
1359 *
1360 * To select a profile or create a custom profile, first select manual using
1361 * power_dpm_force_performance_level.  Writing the number of a predefined
1362 * profile to pp_power_profile_mode will enable those heuristics.  To
1363 * create a custom set of heuristics, write a string of numbers to the file
1364 * starting with the number of the custom profile along with a setting
1365 * for each heuristic parameter.  Due to differences across asic families
1366 * the heuristic parameters vary from family to family.
1367 *
1368 */
1369
1370static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev,
1371		struct device_attribute *attr,
1372		char *buf)
1373{
1374	struct drm_device *ddev = dev_get_drvdata(dev);
1375	struct amdgpu_device *adev = drm_to_adev(ddev);
1376	ssize_t size;
1377	int ret;
1378
1379	if (amdgpu_in_reset(adev))
1380		return -EPERM;
1381	if (adev->in_suspend && !adev->in_runpm)
1382		return -EPERM;
1383
1384	ret = pm_runtime_get_sync(ddev->dev);
1385	if (ret < 0) {
1386		pm_runtime_put_autosuspend(ddev->dev);
1387		return ret;
1388	}
1389
1390	size = amdgpu_dpm_get_power_profile_mode(adev, buf);
1391	if (size <= 0)
1392		size = sysfs_emit(buf, "\n");
1393
1394	pm_runtime_mark_last_busy(ddev->dev);
1395	pm_runtime_put_autosuspend(ddev->dev);
1396
1397	return size;
1398}
1399
1400
1401static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
1402		struct device_attribute *attr,
1403		const char *buf,
1404		size_t count)
1405{
1406	int ret;
1407	struct drm_device *ddev = dev_get_drvdata(dev);
1408	struct amdgpu_device *adev = drm_to_adev(ddev);
1409	uint32_t parameter_size = 0;
1410	long parameter[64];
1411	char *sub_str, buf_cpy[128];
1412	char *tmp_str;
1413	uint32_t i = 0;
1414	char tmp[2];
1415	long int profile_mode = 0;
1416	const char delimiter[3] = {' ', '\n', '\0'};
1417
1418	if (amdgpu_in_reset(adev))
1419		return -EPERM;
1420	if (adev->in_suspend && !adev->in_runpm)
1421		return -EPERM;
1422
1423	tmp[0] = *(buf);
1424	tmp[1] = '\0';
1425	ret = kstrtol(tmp, 0, &profile_mode);
1426	if (ret)
1427		return -EINVAL;
1428
1429	if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
1430		if (count < 2 || count > 127)
1431			return -EINVAL;
1432		while (isspace(*++buf))
1433			i++;
1434		memcpy(buf_cpy, buf, count-i);
1435		tmp_str = buf_cpy;
1436		while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
1437			if (strlen(sub_str) == 0)
1438				continue;
1439			ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
1440			if (ret)
1441				return -EINVAL;
1442			parameter_size++;
1443			while (isspace(*tmp_str))
1444				tmp_str++;
1445		}
1446	}
1447	parameter[parameter_size] = profile_mode;
1448
1449	ret = pm_runtime_get_sync(ddev->dev);
1450	if (ret < 0) {
1451		pm_runtime_put_autosuspend(ddev->dev);
1452		return ret;
1453	}
1454
1455	ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size);
1456
1457	pm_runtime_mark_last_busy(ddev->dev);
1458	pm_runtime_put_autosuspend(ddev->dev);
1459
1460	if (!ret)
1461		return count;
1462
1463	return -EINVAL;
1464}
1465
1466/**
1467 * DOC: gpu_busy_percent
1468 *
1469 * The amdgpu driver provides a sysfs API for reading how busy the GPU
1470 * is as a percentage.  The file gpu_busy_percent is used for this.
1471 * The SMU firmware computes a percentage of load based on the
1472 * aggregate activity level in the IP cores.
1473 */
1474static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
1475					   struct device_attribute *attr,
1476					   char *buf)
1477{
1478	struct drm_device *ddev = dev_get_drvdata(dev);
1479	struct amdgpu_device *adev = drm_to_adev(ddev);
1480	int r, value, size = sizeof(value);
1481
1482	if (amdgpu_in_reset(adev))
1483		return -EPERM;
1484	if (adev->in_suspend && !adev->in_runpm)
1485		return -EPERM;
1486
1487	r = pm_runtime_get_sync(ddev->dev);
1488	if (r < 0) {
1489		pm_runtime_put_autosuspend(ddev->dev);
1490		return r;
1491	}
1492
1493	/* read the IP busy sensor */
1494	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD,
1495				   (void *)&value, &size);
1496
1497	pm_runtime_mark_last_busy(ddev->dev);
1498	pm_runtime_put_autosuspend(ddev->dev);
1499
1500	if (r)
1501		return r;
1502
1503	return sysfs_emit(buf, "%d\n", value);
1504}
1505
1506/**
1507 * DOC: mem_busy_percent
1508 *
1509 * The amdgpu driver provides a sysfs API for reading how busy the VRAM
1510 * is as a percentage.  The file mem_busy_percent is used for this.
1511 * The SMU firmware computes a percentage of load based on the
1512 * aggregate activity level in the IP cores.
1513 */
1514static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
1515					   struct device_attribute *attr,
1516					   char *buf)
1517{
1518	struct drm_device *ddev = dev_get_drvdata(dev);
1519	struct amdgpu_device *adev = drm_to_adev(ddev);
1520	int r, value, size = sizeof(value);
1521
1522	if (amdgpu_in_reset(adev))
1523		return -EPERM;
1524	if (adev->in_suspend && !adev->in_runpm)
1525		return -EPERM;
1526
1527	r = pm_runtime_get_sync(ddev->dev);
1528	if (r < 0) {
1529		pm_runtime_put_autosuspend(ddev->dev);
1530		return r;
1531	}
1532
1533	/* read the IP busy sensor */
1534	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD,
1535				   (void *)&value, &size);
1536
1537	pm_runtime_mark_last_busy(ddev->dev);
1538	pm_runtime_put_autosuspend(ddev->dev);
1539
1540	if (r)
1541		return r;
1542
1543	return sysfs_emit(buf, "%d\n", value);
1544}
1545
1546/**
1547 * DOC: pcie_bw
1548 *
1549 * The amdgpu driver provides a sysfs API for estimating how much data
1550 * has been received and sent by the GPU in the last second through PCIe.
1551 * The file pcie_bw is used for this.
1552 * The Perf counters count the number of received and sent messages and return
1553 * those values, as well as the maximum payload size of a PCIe packet (mps).
1554 * Note that it is not possible to easily and quickly obtain the size of each
1555 * packet transmitted, so we output the max payload size (mps) to allow for
1556 * quick estimation of the PCIe bandwidth usage
1557 */
1558static ssize_t amdgpu_get_pcie_bw(struct device *dev,
1559		struct device_attribute *attr,
1560		char *buf)
1561{
1562	struct drm_device *ddev = dev_get_drvdata(dev);
1563	struct amdgpu_device *adev = drm_to_adev(ddev);
1564	uint64_t count0 = 0, count1 = 0;
1565	int ret;
1566
1567	if (amdgpu_in_reset(adev))
1568		return -EPERM;
1569	if (adev->in_suspend && !adev->in_runpm)
1570		return -EPERM;
1571
1572	if (adev->flags & AMD_IS_APU)
1573		return -ENODATA;
1574
1575	if (!adev->asic_funcs->get_pcie_usage)
1576		return -ENODATA;
1577
1578	ret = pm_runtime_get_sync(ddev->dev);
1579	if (ret < 0) {
1580		pm_runtime_put_autosuspend(ddev->dev);
1581		return ret;
1582	}
1583
1584	amdgpu_asic_get_pcie_usage(adev, &count0, &count1);
1585
1586	pm_runtime_mark_last_busy(ddev->dev);
1587	pm_runtime_put_autosuspend(ddev->dev);
1588
1589	return sysfs_emit(buf, "%llu %llu %i\n",
1590			  count0, count1, pcie_get_mps(adev->pdev));
1591}
1592
1593/**
1594 * DOC: unique_id
1595 *
1596 * The amdgpu driver provides a sysfs API for providing a unique ID for the GPU
1597 * The file unique_id is used for this.
1598 * This will provide a Unique ID that will persist from machine to machine
1599 *
1600 * NOTE: This will only work for GFX9 and newer. This file will be absent
1601 * on unsupported ASICs (GFX8 and older)
1602 */
1603static ssize_t amdgpu_get_unique_id(struct device *dev,
1604		struct device_attribute *attr,
1605		char *buf)
1606{
1607	struct drm_device *ddev = dev_get_drvdata(dev);
1608	struct amdgpu_device *adev = drm_to_adev(ddev);
1609
1610	if (amdgpu_in_reset(adev))
1611		return -EPERM;
1612	if (adev->in_suspend && !adev->in_runpm)
1613		return -EPERM;
1614
1615	if (adev->unique_id)
1616		return sysfs_emit(buf, "%016llx\n", adev->unique_id);
1617
1618	return 0;
1619}
1620
1621/**
1622 * DOC: thermal_throttling_logging
1623 *
1624 * Thermal throttling pulls down the clock frequency and thus the performance.
1625 * It's an useful mechanism to protect the chip from overheating. Since it
1626 * impacts performance, the user controls whether it is enabled and if so,
1627 * the log frequency.
1628 *
1629 * Reading back the file shows you the status(enabled or disabled) and
1630 * the interval(in seconds) between each thermal logging.
1631 *
1632 * Writing an integer to the file, sets a new logging interval, in seconds.
1633 * The value should be between 1 and 3600. If the value is less than 1,
1634 * thermal logging is disabled. Values greater than 3600 are ignored.
1635 */
1636static ssize_t amdgpu_get_thermal_throttling_logging(struct device *dev,
1637						     struct device_attribute *attr,
1638						     char *buf)
1639{
1640	struct drm_device *ddev = dev_get_drvdata(dev);
1641	struct amdgpu_device *adev = drm_to_adev(ddev);
1642
1643	return sysfs_emit(buf, "%s: thermal throttling logging %s, with interval %d seconds\n",
1644			  adev_to_drm(adev)->unique,
1645			  atomic_read(&adev->throttling_logging_enabled) ? "enabled" : "disabled",
1646			  adev->throttling_logging_rs.interval / HZ + 1);
1647}
1648
1649static ssize_t amdgpu_set_thermal_throttling_logging(struct device *dev,
1650						     struct device_attribute *attr,
1651						     const char *buf,
1652						     size_t count)
1653{
1654	struct drm_device *ddev = dev_get_drvdata(dev);
1655	struct amdgpu_device *adev = drm_to_adev(ddev);
1656	long throttling_logging_interval;
1657	unsigned long flags;
1658	int ret = 0;
1659
1660	ret = kstrtol(buf, 0, &throttling_logging_interval);
1661	if (ret)
1662		return ret;
1663
1664	if (throttling_logging_interval > 3600)
1665		return -EINVAL;
1666
1667	if (throttling_logging_interval > 0) {
1668		raw_spin_lock_irqsave(&adev->throttling_logging_rs.lock, flags);
1669		/*
1670		 * Reset the ratelimit timer internals.
1671		 * This can effectively restart the timer.
1672		 */
1673		adev->throttling_logging_rs.interval =
1674			(throttling_logging_interval - 1) * HZ;
1675		adev->throttling_logging_rs.begin = 0;
1676		adev->throttling_logging_rs.printed = 0;
1677		adev->throttling_logging_rs.missed = 0;
1678		raw_spin_unlock_irqrestore(&adev->throttling_logging_rs.lock, flags);
1679
1680		atomic_set(&adev->throttling_logging_enabled, 1);
1681	} else {
1682		atomic_set(&adev->throttling_logging_enabled, 0);
1683	}
1684
1685	return count;
1686}
1687
1688/**
1689 * DOC: gpu_metrics
1690 *
1691 * The amdgpu driver provides a sysfs API for retrieving current gpu
1692 * metrics data. The file gpu_metrics is used for this. Reading the
1693 * file will dump all the current gpu metrics data.
1694 *
1695 * These data include temperature, frequency, engines utilization,
1696 * power consume, throttler status, fan speed and cpu core statistics(
1697 * available for APU only). That's it will give a snapshot of all sensors
1698 * at the same time.
1699 */
1700static ssize_t amdgpu_get_gpu_metrics(struct device *dev,
1701				      struct device_attribute *attr,
1702				      char *buf)
1703{
1704	struct drm_device *ddev = dev_get_drvdata(dev);
1705	struct amdgpu_device *adev = drm_to_adev(ddev);
1706	void *gpu_metrics;
1707	ssize_t size = 0;
1708	int ret;
1709
1710	if (amdgpu_in_reset(adev))
1711		return -EPERM;
1712	if (adev->in_suspend && !adev->in_runpm)
1713		return -EPERM;
1714
1715	ret = pm_runtime_get_sync(ddev->dev);
1716	if (ret < 0) {
1717		pm_runtime_put_autosuspend(ddev->dev);
1718		return ret;
1719	}
1720
1721	size = amdgpu_dpm_get_gpu_metrics(adev, &gpu_metrics);
1722	if (size <= 0)
1723		goto out;
1724
1725	if (size >= PAGE_SIZE)
1726		size = PAGE_SIZE - 1;
1727
1728	memcpy(buf, gpu_metrics, size);
1729
1730out:
1731	pm_runtime_mark_last_busy(ddev->dev);
1732	pm_runtime_put_autosuspend(ddev->dev);
1733
1734	return size;
1735}
1736
1737static int amdgpu_device_read_powershift(struct amdgpu_device *adev,
1738						uint32_t *ss_power, bool dgpu_share)
1739{
1740	struct drm_device *ddev = adev_to_drm(adev);
1741	uint32_t size;
1742	int r = 0;
1743
1744	if (amdgpu_in_reset(adev))
1745		return -EPERM;
1746	if (adev->in_suspend && !adev->in_runpm)
1747		return -EPERM;
1748
1749	r = pm_runtime_get_sync(ddev->dev);
1750	if (r < 0) {
1751		pm_runtime_put_autosuspend(ddev->dev);
1752		return r;
1753	}
1754
1755	if (dgpu_share)
1756		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
1757				   (void *)ss_power, &size);
1758	else
1759		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
1760				   (void *)ss_power, &size);
1761
1762	pm_runtime_mark_last_busy(ddev->dev);
1763	pm_runtime_put_autosuspend(ddev->dev);
1764	return r;
1765}
1766
1767static int amdgpu_show_powershift_percent(struct device *dev,
1768					char *buf, bool dgpu_share)
1769{
1770	struct drm_device *ddev = dev_get_drvdata(dev);
1771	struct amdgpu_device *adev = drm_to_adev(ddev);
1772	uint32_t ss_power;
1773	int r = 0, i;
1774
1775	r = amdgpu_device_read_powershift(adev, &ss_power, dgpu_share);
1776	if (r == -EOPNOTSUPP) {
1777		/* sensor not available on dGPU, try to read from APU */
1778		adev = NULL;
1779		mutex_lock(&mgpu_info.mutex);
1780		for (i = 0; i < mgpu_info.num_gpu; i++) {
1781			if (mgpu_info.gpu_ins[i].adev->flags & AMD_IS_APU) {
1782				adev = mgpu_info.gpu_ins[i].adev;
1783				break;
1784			}
1785		}
1786		mutex_unlock(&mgpu_info.mutex);
1787		if (adev)
1788			r = amdgpu_device_read_powershift(adev, &ss_power, dgpu_share);
1789	}
1790
1791	if (!r)
1792		r = sysfs_emit(buf, "%u%%\n", ss_power);
1793
1794	return r;
1795}
1796/**
1797 * DOC: smartshift_apu_power
1798 *
1799 * The amdgpu driver provides a sysfs API for reporting APU power
1800 * shift in percentage if platform supports smartshift. Value 0 means that
1801 * there is no powershift and values between [1-100] means that the power
1802 * is shifted to APU, the percentage of boost is with respect to APU power
1803 * limit on the platform.
1804 */
1805
1806static ssize_t amdgpu_get_smartshift_apu_power(struct device *dev, struct device_attribute *attr,
1807					       char *buf)
1808{
1809	return amdgpu_show_powershift_percent(dev, buf, false);
1810}
1811
1812/**
1813 * DOC: smartshift_dgpu_power
1814 *
1815 * The amdgpu driver provides a sysfs API for reporting dGPU power
1816 * shift in percentage if platform supports smartshift. Value 0 means that
1817 * there is no powershift and values between [1-100] means that the power is
1818 * shifted to dGPU, the percentage of boost is with respect to dGPU power
1819 * limit on the platform.
1820 */
1821
1822static ssize_t amdgpu_get_smartshift_dgpu_power(struct device *dev, struct device_attribute *attr,
1823						char *buf)
1824{
1825	return amdgpu_show_powershift_percent(dev, buf, true);
1826}
1827
1828/**
1829 * DOC: smartshift_bias
1830 *
1831 * The amdgpu driver provides a sysfs API for reporting the
1832 * smartshift(SS2.0) bias level. The value ranges from -100 to 100
1833 * and the default is 0. -100 sets maximum preference to APU
1834 * and 100 sets max perference to dGPU.
1835 */
1836
1837static ssize_t amdgpu_get_smartshift_bias(struct device *dev,
1838					  struct device_attribute *attr,
1839					  char *buf)
1840{
1841	int r = 0;
1842
1843	r = sysfs_emit(buf, "%d\n", amdgpu_smartshift_bias);
1844
1845	return r;
1846}
1847
1848static ssize_t amdgpu_set_smartshift_bias(struct device *dev,
1849					  struct device_attribute *attr,
1850					  const char *buf, size_t count)
1851{
1852	struct drm_device *ddev = dev_get_drvdata(dev);
1853	struct amdgpu_device *adev = drm_to_adev(ddev);
1854	int r = 0;
1855	int bias = 0;
1856
1857	if (amdgpu_in_reset(adev))
1858		return -EPERM;
1859	if (adev->in_suspend && !adev->in_runpm)
1860		return -EPERM;
1861
1862	r = pm_runtime_get_sync(ddev->dev);
1863	if (r < 0) {
1864		pm_runtime_put_autosuspend(ddev->dev);
1865		return r;
1866	}
1867
1868	r = kstrtoint(buf, 10, &bias);
1869	if (r)
1870		goto out;
1871
1872	if (bias > AMDGPU_SMARTSHIFT_MAX_BIAS)
1873		bias = AMDGPU_SMARTSHIFT_MAX_BIAS;
1874	else if (bias < AMDGPU_SMARTSHIFT_MIN_BIAS)
1875		bias = AMDGPU_SMARTSHIFT_MIN_BIAS;
1876
1877	amdgpu_smartshift_bias = bias;
1878	r = count;
1879
1880	/* TODO: update bias level with SMU message */
1881
1882out:
1883	pm_runtime_mark_last_busy(ddev->dev);
1884	pm_runtime_put_autosuspend(ddev->dev);
1885	return r;
1886}
1887
1888
1889static int ss_power_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
1890				uint32_t mask, enum amdgpu_device_attr_states *states)
1891{
1892	if (!amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
1893		*states = ATTR_STATE_UNSUPPORTED;
1894
1895	return 0;
1896}
1897
1898static int ss_bias_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
1899			       uint32_t mask, enum amdgpu_device_attr_states *states)
1900{
1901	uint32_t ss_power, size;
1902
1903	if (!amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
1904		*states = ATTR_STATE_UNSUPPORTED;
1905	else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
1906		 (void *)&ss_power, &size))
1907		*states = ATTR_STATE_UNSUPPORTED;
1908	else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
1909		 (void *)&ss_power, &size))
1910		*states = ATTR_STATE_UNSUPPORTED;
1911
1912	return 0;
1913}
1914
1915static struct amdgpu_device_attr amdgpu_device_attrs[] = {
1916	AMDGPU_DEVICE_ATTR_RW(power_dpm_state,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1917	AMDGPU_DEVICE_ATTR_RW(power_dpm_force_performance_level,	ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1918	AMDGPU_DEVICE_ATTR_RO(pp_num_states,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1919	AMDGPU_DEVICE_ATTR_RO(pp_cur_state,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1920	AMDGPU_DEVICE_ATTR_RW(pp_force_state,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1921	AMDGPU_DEVICE_ATTR_RW(pp_table,					ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1922	AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1923	AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1924	AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1925	AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1926	AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1927	AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1928	AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1929	AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1930	AMDGPU_DEVICE_ATTR_RW(pp_sclk_od,				ATTR_FLAG_BASIC),
1931	AMDGPU_DEVICE_ATTR_RW(pp_mclk_od,				ATTR_FLAG_BASIC),
1932	AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode,			ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1933	AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage,			ATTR_FLAG_BASIC),
1934	AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1935	AMDGPU_DEVICE_ATTR_RO(mem_busy_percent,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1936	AMDGPU_DEVICE_ATTR_RO(pcie_bw,					ATTR_FLAG_BASIC),
1937	AMDGPU_DEVICE_ATTR_RW(pp_features,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1938	AMDGPU_DEVICE_ATTR_RO(unique_id,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1939	AMDGPU_DEVICE_ATTR_RW(thermal_throttling_logging,		ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1940	AMDGPU_DEVICE_ATTR_RO(gpu_metrics,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
1941	AMDGPU_DEVICE_ATTR_RO(smartshift_apu_power,			ATTR_FLAG_BASIC,
1942			      .attr_update = ss_power_attr_update),
1943	AMDGPU_DEVICE_ATTR_RO(smartshift_dgpu_power,			ATTR_FLAG_BASIC,
1944			      .attr_update = ss_power_attr_update),
1945	AMDGPU_DEVICE_ATTR_RW(smartshift_bias,				ATTR_FLAG_BASIC,
1946			      .attr_update = ss_bias_attr_update),
1947};
1948
1949static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
1950			       uint32_t mask, enum amdgpu_device_attr_states *states)
1951{
1952	struct device_attribute *dev_attr = &attr->dev_attr;
1953	uint32_t mp1_ver = adev->ip_versions[MP1_HWIP][0];
1954	uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
1955	const char *attr_name = dev_attr->attr.name;
1956
1957	if (!(attr->flags & mask)) {
1958		*states = ATTR_STATE_UNSUPPORTED;
1959		return 0;
1960	}
1961
1962#define DEVICE_ATTR_IS(_name)	(!strcmp(attr_name, #_name))
1963
1964	if (DEVICE_ATTR_IS(pp_dpm_socclk)) {
1965		if (gc_ver < IP_VERSION(9, 0, 0))
1966			*states = ATTR_STATE_UNSUPPORTED;
1967	} else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
1968		if (gc_ver < IP_VERSION(9, 0, 0) ||
1969		    gc_ver == IP_VERSION(9, 4, 1) ||
1970		    gc_ver == IP_VERSION(9, 4, 2))
1971			*states = ATTR_STATE_UNSUPPORTED;
1972	} else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
1973		if (mp1_ver < IP_VERSION(10, 0, 0))
1974			*states = ATTR_STATE_UNSUPPORTED;
1975	} else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
1976		*states = ATTR_STATE_UNSUPPORTED;
1977		if (amdgpu_dpm_is_overdrive_supported(adev))
1978			*states = ATTR_STATE_SUPPORTED;
1979	} else if (DEVICE_ATTR_IS(mem_busy_percent)) {
1980		if (adev->flags & AMD_IS_APU || gc_ver == IP_VERSION(9, 0, 1))
1981			*states = ATTR_STATE_UNSUPPORTED;
1982	} else if (DEVICE_ATTR_IS(pcie_bw)) {
1983		/* PCIe Perf counters won't work on APU nodes */
1984		if (adev->flags & AMD_IS_APU)
1985			*states = ATTR_STATE_UNSUPPORTED;
1986	} else if (DEVICE_ATTR_IS(unique_id)) {
1987		switch (gc_ver) {
1988		case IP_VERSION(9, 0, 1):
1989		case IP_VERSION(9, 4, 0):
1990		case IP_VERSION(9, 4, 1):
1991		case IP_VERSION(9, 4, 2):
1992		case IP_VERSION(10, 3, 0):
1993		case IP_VERSION(11, 0, 0):
1994		case IP_VERSION(11, 0, 1):
1995		case IP_VERSION(11, 0, 2):
1996			*states = ATTR_STATE_SUPPORTED;
1997			break;
1998		default:
1999			*states = ATTR_STATE_UNSUPPORTED;
2000		}
2001	} else if (DEVICE_ATTR_IS(pp_features)) {
2002		if (adev->flags & AMD_IS_APU || gc_ver < IP_VERSION(9, 0, 0))
2003			*states = ATTR_STATE_UNSUPPORTED;
2004	} else if (DEVICE_ATTR_IS(gpu_metrics)) {
2005		if (gc_ver < IP_VERSION(9, 1, 0))
2006			*states = ATTR_STATE_UNSUPPORTED;
2007	} else if (DEVICE_ATTR_IS(pp_dpm_vclk)) {
2008		if (!(gc_ver == IP_VERSION(10, 3, 1) ||
2009		      gc_ver == IP_VERSION(10, 3, 0) ||
2010		      gc_ver == IP_VERSION(10, 1, 2) ||
2011		      gc_ver == IP_VERSION(11, 0, 0) ||
2012		      gc_ver == IP_VERSION(11, 0, 2) ||
2013		      gc_ver == IP_VERSION(11, 0, 3)))
2014			*states = ATTR_STATE_UNSUPPORTED;
2015	} else if (DEVICE_ATTR_IS(pp_dpm_dclk)) {
2016		if (!(gc_ver == IP_VERSION(10, 3, 1) ||
2017		      gc_ver == IP_VERSION(10, 3, 0) ||
2018		      gc_ver == IP_VERSION(10, 1, 2) ||
2019		      gc_ver == IP_VERSION(11, 0, 0) ||
2020		      gc_ver == IP_VERSION(11, 0, 2) ||
2021		      gc_ver == IP_VERSION(11, 0, 3)))
2022			*states = ATTR_STATE_UNSUPPORTED;
2023	} else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
2024		if (amdgpu_dpm_get_power_profile_mode(adev, NULL) == -EOPNOTSUPP)
2025			*states = ATTR_STATE_UNSUPPORTED;
2026		else if (gc_ver == IP_VERSION(10, 3, 0) && amdgpu_sriov_vf(adev))
2027			*states = ATTR_STATE_UNSUPPORTED;
2028	}
2029
2030	switch (gc_ver) {
2031	case IP_VERSION(9, 4, 1):
2032	case IP_VERSION(9, 4, 2):
2033		/* the Mi series card does not support standalone mclk/socclk/fclk level setting */
2034		if (DEVICE_ATTR_IS(pp_dpm_mclk) ||
2035		    DEVICE_ATTR_IS(pp_dpm_socclk) ||
2036		    DEVICE_ATTR_IS(pp_dpm_fclk)) {
2037			dev_attr->attr.mode &= ~S_IWUGO;
2038			dev_attr->store = NULL;
2039		}
2040		break;
2041	case IP_VERSION(10, 3, 0):
2042		if (DEVICE_ATTR_IS(power_dpm_force_performance_level) &&
2043		    amdgpu_sriov_vf(adev)) {
2044			dev_attr->attr.mode &= ~0222;
2045			dev_attr->store = NULL;
2046		}
2047		break;
2048	default:
2049		break;
2050	}
2051
2052	if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
2053		/* SMU MP1 does not support dcefclk level setting */
2054		if (gc_ver >= IP_VERSION(10, 0, 0)) {
2055			dev_attr->attr.mode &= ~S_IWUGO;
2056			dev_attr->store = NULL;
2057		}
2058	}
2059
2060	/* setting should not be allowed from VF if not in one VF mode */
2061	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
2062		dev_attr->attr.mode &= ~S_IWUGO;
2063		dev_attr->store = NULL;
2064	}
2065
2066#undef DEVICE_ATTR_IS
2067
2068	return 0;
2069}
2070
2071
2072static int amdgpu_device_attr_create(struct amdgpu_device *adev,
2073				     struct amdgpu_device_attr *attr,
2074				     uint32_t mask, struct list_head *attr_list)
2075{
2076	int ret = 0;
2077	struct device_attribute *dev_attr = &attr->dev_attr;
2078	const char *name = dev_attr->attr.name;
2079	enum amdgpu_device_attr_states attr_states = ATTR_STATE_SUPPORTED;
2080	struct amdgpu_device_attr_entry *attr_entry;
2081
2082	int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
2083			   uint32_t mask, enum amdgpu_device_attr_states *states) = default_attr_update;
2084
2085	BUG_ON(!attr);
2086
2087	attr_update = attr->attr_update ? attr->attr_update : default_attr_update;
2088
2089	ret = attr_update(adev, attr, mask, &attr_states);
2090	if (ret) {
2091		dev_err(adev->dev, "failed to update device file %s, ret = %d\n",
2092			name, ret);
2093		return ret;
2094	}
2095
2096	if (attr_states == ATTR_STATE_UNSUPPORTED)
2097		return 0;
2098
2099	ret = device_create_file(adev->dev, dev_attr);
2100	if (ret) {
2101		dev_err(adev->dev, "failed to create device file %s, ret = %d\n",
2102			name, ret);
2103	}
2104
2105	attr_entry = kmalloc(sizeof(*attr_entry), GFP_KERNEL);
2106	if (!attr_entry)
2107		return -ENOMEM;
2108
2109	attr_entry->attr = attr;
2110	INIT_LIST_HEAD(&attr_entry->entry);
2111
2112	list_add_tail(&attr_entry->entry, attr_list);
2113
2114	return ret;
2115}
2116
2117static void amdgpu_device_attr_remove(struct amdgpu_device *adev, struct amdgpu_device_attr *attr)
2118{
2119	struct device_attribute *dev_attr = &attr->dev_attr;
2120
2121	device_remove_file(adev->dev, dev_attr);
2122}
2123
2124static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
2125					     struct list_head *attr_list);
2126
2127static int amdgpu_device_attr_create_groups(struct amdgpu_device *adev,
2128					    struct amdgpu_device_attr *attrs,
2129					    uint32_t counts,
2130					    uint32_t mask,
2131					    struct list_head *attr_list)
2132{
2133	int ret = 0;
2134	uint32_t i = 0;
2135
2136	for (i = 0; i < counts; i++) {
2137		ret = amdgpu_device_attr_create(adev, &attrs[i], mask, attr_list);
2138		if (ret)
2139			goto failed;
2140	}
2141
2142	return 0;
2143
2144failed:
2145	amdgpu_device_attr_remove_groups(adev, attr_list);
2146
2147	return ret;
2148}
2149
2150static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
2151					     struct list_head *attr_list)
2152{
2153	struct amdgpu_device_attr_entry *entry, *entry_tmp;
2154
2155	if (list_empty(attr_list))
2156		return ;
2157
2158	list_for_each_entry_safe(entry, entry_tmp, attr_list, entry) {
2159		amdgpu_device_attr_remove(adev, entry->attr);
2160		list_del(&entry->entry);
2161		kfree(entry);
2162	}
2163}
2164
2165static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
2166				      struct device_attribute *attr,
2167				      char *buf)
2168{
2169	struct amdgpu_device *adev = dev_get_drvdata(dev);
2170	int channel = to_sensor_dev_attr(attr)->index;
2171	int r, temp = 0, size = sizeof(temp);
2172
2173	if (amdgpu_in_reset(adev))
2174		return -EPERM;
2175	if (adev->in_suspend && !adev->in_runpm)
2176		return -EPERM;
2177
2178	if (channel >= PP_TEMP_MAX)
2179		return -EINVAL;
2180
2181	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2182	if (r < 0) {
2183		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2184		return r;
2185	}
2186
2187	switch (channel) {
2188	case PP_TEMP_JUNCTION:
2189		/* get current junction temperature */
2190		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
2191					   (void *)&temp, &size);
2192		break;
2193	case PP_TEMP_EDGE:
2194		/* get current edge temperature */
2195		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
2196					   (void *)&temp, &size);
2197		break;
2198	case PP_TEMP_MEM:
2199		/* get current memory temperature */
2200		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
2201					   (void *)&temp, &size);
2202		break;
2203	default:
2204		r = -EINVAL;
2205		break;
2206	}
2207
2208	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2209	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2210
2211	if (r)
2212		return r;
2213
2214	return sysfs_emit(buf, "%d\n", temp);
2215}
2216
2217static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev,
2218					     struct device_attribute *attr,
2219					     char *buf)
2220{
2221	struct amdgpu_device *adev = dev_get_drvdata(dev);
2222	int hyst = to_sensor_dev_attr(attr)->index;
2223	int temp;
2224
2225	if (hyst)
2226		temp = adev->pm.dpm.thermal.min_temp;
2227	else
2228		temp = adev->pm.dpm.thermal.max_temp;
2229
2230	return sysfs_emit(buf, "%d\n", temp);
2231}
2232
2233static ssize_t amdgpu_hwmon_show_hotspot_temp_thresh(struct device *dev,
2234					     struct device_attribute *attr,
2235					     char *buf)
2236{
2237	struct amdgpu_device *adev = dev_get_drvdata(dev);
2238	int hyst = to_sensor_dev_attr(attr)->index;
2239	int temp;
2240
2241	if (hyst)
2242		temp = adev->pm.dpm.thermal.min_hotspot_temp;
2243	else
2244		temp = adev->pm.dpm.thermal.max_hotspot_crit_temp;
2245
2246	return sysfs_emit(buf, "%d\n", temp);
2247}
2248
2249static ssize_t amdgpu_hwmon_show_mem_temp_thresh(struct device *dev,
2250					     struct device_attribute *attr,
2251					     char *buf)
2252{
2253	struct amdgpu_device *adev = dev_get_drvdata(dev);
2254	int hyst = to_sensor_dev_attr(attr)->index;
2255	int temp;
2256
2257	if (hyst)
2258		temp = adev->pm.dpm.thermal.min_mem_temp;
2259	else
2260		temp = adev->pm.dpm.thermal.max_mem_crit_temp;
2261
2262	return sysfs_emit(buf, "%d\n", temp);
2263}
2264
2265static ssize_t amdgpu_hwmon_show_temp_label(struct device *dev,
2266					     struct device_attribute *attr,
2267					     char *buf)
2268{
2269	int channel = to_sensor_dev_attr(attr)->index;
2270
2271	if (channel >= PP_TEMP_MAX)
2272		return -EINVAL;
2273
2274	return sysfs_emit(buf, "%s\n", temp_label[channel].label);
2275}
2276
2277static ssize_t amdgpu_hwmon_show_temp_emergency(struct device *dev,
2278					     struct device_attribute *attr,
2279					     char *buf)
2280{
2281	struct amdgpu_device *adev = dev_get_drvdata(dev);
2282	int channel = to_sensor_dev_attr(attr)->index;
2283	int temp = 0;
2284
2285	if (channel >= PP_TEMP_MAX)
2286		return -EINVAL;
2287
2288	switch (channel) {
2289	case PP_TEMP_JUNCTION:
2290		temp = adev->pm.dpm.thermal.max_hotspot_emergency_temp;
2291		break;
2292	case PP_TEMP_EDGE:
2293		temp = adev->pm.dpm.thermal.max_edge_emergency_temp;
2294		break;
2295	case PP_TEMP_MEM:
2296		temp = adev->pm.dpm.thermal.max_mem_emergency_temp;
2297		break;
2298	}
2299
2300	return sysfs_emit(buf, "%d\n", temp);
2301}
2302
2303static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
2304					    struct device_attribute *attr,
2305					    char *buf)
2306{
2307	struct amdgpu_device *adev = dev_get_drvdata(dev);
2308	u32 pwm_mode = 0;
2309	int ret;
2310
2311	if (amdgpu_in_reset(adev))
2312		return -EPERM;
2313	if (adev->in_suspend && !adev->in_runpm)
2314		return -EPERM;
2315
2316	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2317	if (ret < 0) {
2318		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2319		return ret;
2320	}
2321
2322	ret = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2323
2324	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2325	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2326
2327	if (ret)
2328		return -EINVAL;
2329
2330	return sysfs_emit(buf, "%u\n", pwm_mode);
2331}
2332
2333static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
2334					    struct device_attribute *attr,
2335					    const char *buf,
2336					    size_t count)
2337{
2338	struct amdgpu_device *adev = dev_get_drvdata(dev);
2339	int err, ret;
2340	int value;
2341
2342	if (amdgpu_in_reset(adev))
2343		return -EPERM;
2344	if (adev->in_suspend && !adev->in_runpm)
2345		return -EPERM;
2346
2347	err = kstrtoint(buf, 10, &value);
2348	if (err)
2349		return err;
2350
2351	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2352	if (ret < 0) {
2353		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2354		return ret;
2355	}
2356
2357	ret = amdgpu_dpm_set_fan_control_mode(adev, value);
2358
2359	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2360	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2361
2362	if (ret)
2363		return -EINVAL;
2364
2365	return count;
2366}
2367
2368static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev,
2369					 struct device_attribute *attr,
2370					 char *buf)
2371{
2372	return sysfs_emit(buf, "%i\n", 0);
2373}
2374
2375static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev,
2376					 struct device_attribute *attr,
2377					 char *buf)
2378{
2379	return sysfs_emit(buf, "%i\n", 255);
2380}
2381
2382static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
2383				     struct device_attribute *attr,
2384				     const char *buf, size_t count)
2385{
2386	struct amdgpu_device *adev = dev_get_drvdata(dev);
2387	int err;
2388	u32 value;
2389	u32 pwm_mode;
2390
2391	if (amdgpu_in_reset(adev))
2392		return -EPERM;
2393	if (adev->in_suspend && !adev->in_runpm)
2394		return -EPERM;
2395
2396	err = kstrtou32(buf, 10, &value);
2397	if (err)
2398		return err;
2399
2400	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2401	if (err < 0) {
2402		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2403		return err;
2404	}
2405
2406	err = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2407	if (err)
2408		goto out;
2409
2410	if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2411		pr_info("manual fan speed control should be enabled first\n");
2412		err = -EINVAL;
2413		goto out;
2414	}
2415
2416	err = amdgpu_dpm_set_fan_speed_pwm(adev, value);
2417
2418out:
2419	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2420	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2421
2422	if (err)
2423		return err;
2424
2425	return count;
2426}
2427
2428static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
2429				     struct device_attribute *attr,
2430				     char *buf)
2431{
2432	struct amdgpu_device *adev = dev_get_drvdata(dev);
2433	int err;
2434	u32 speed = 0;
2435
2436	if (amdgpu_in_reset(adev))
2437		return -EPERM;
2438	if (adev->in_suspend && !adev->in_runpm)
2439		return -EPERM;
2440
2441	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2442	if (err < 0) {
2443		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2444		return err;
2445	}
2446
2447	err = amdgpu_dpm_get_fan_speed_pwm(adev, &speed);
2448
2449	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2450	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2451
2452	if (err)
2453		return err;
2454
2455	return sysfs_emit(buf, "%i\n", speed);
2456}
2457
2458static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
2459					   struct device_attribute *attr,
2460					   char *buf)
2461{
2462	struct amdgpu_device *adev = dev_get_drvdata(dev);
2463	int err;
2464	u32 speed = 0;
2465
2466	if (amdgpu_in_reset(adev))
2467		return -EPERM;
2468	if (adev->in_suspend && !adev->in_runpm)
2469		return -EPERM;
2470
2471	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2472	if (err < 0) {
2473		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2474		return err;
2475	}
2476
2477	err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed);
2478
2479	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2480	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2481
2482	if (err)
2483		return err;
2484
2485	return sysfs_emit(buf, "%i\n", speed);
2486}
2487
2488static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
2489					 struct device_attribute *attr,
2490					 char *buf)
2491{
2492	struct amdgpu_device *adev = dev_get_drvdata(dev);
2493	u32 min_rpm = 0;
2494	u32 size = sizeof(min_rpm);
2495	int r;
2496
2497	if (amdgpu_in_reset(adev))
2498		return -EPERM;
2499	if (adev->in_suspend && !adev->in_runpm)
2500		return -EPERM;
2501
2502	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2503	if (r < 0) {
2504		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2505		return r;
2506	}
2507
2508	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
2509				   (void *)&min_rpm, &size);
2510
2511	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2512	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2513
2514	if (r)
2515		return r;
2516
2517	return sysfs_emit(buf, "%d\n", min_rpm);
2518}
2519
2520static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
2521					 struct device_attribute *attr,
2522					 char *buf)
2523{
2524	struct amdgpu_device *adev = dev_get_drvdata(dev);
2525	u32 max_rpm = 0;
2526	u32 size = sizeof(max_rpm);
2527	int r;
2528
2529	if (amdgpu_in_reset(adev))
2530		return -EPERM;
2531	if (adev->in_suspend && !adev->in_runpm)
2532		return -EPERM;
2533
2534	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2535	if (r < 0) {
2536		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2537		return r;
2538	}
2539
2540	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
2541				   (void *)&max_rpm, &size);
2542
2543	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2544	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2545
2546	if (r)
2547		return r;
2548
2549	return sysfs_emit(buf, "%d\n", max_rpm);
2550}
2551
2552static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
2553					   struct device_attribute *attr,
2554					   char *buf)
2555{
2556	struct amdgpu_device *adev = dev_get_drvdata(dev);
2557	int err;
2558	u32 rpm = 0;
2559
2560	if (amdgpu_in_reset(adev))
2561		return -EPERM;
2562	if (adev->in_suspend && !adev->in_runpm)
2563		return -EPERM;
2564
2565	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2566	if (err < 0) {
2567		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2568		return err;
2569	}
2570
2571	err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
2572
2573	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2574	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2575
2576	if (err)
2577		return err;
2578
2579	return sysfs_emit(buf, "%i\n", rpm);
2580}
2581
2582static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
2583				     struct device_attribute *attr,
2584				     const char *buf, size_t count)
2585{
2586	struct amdgpu_device *adev = dev_get_drvdata(dev);
2587	int err;
2588	u32 value;
2589	u32 pwm_mode;
2590
2591	if (amdgpu_in_reset(adev))
2592		return -EPERM;
2593	if (adev->in_suspend && !adev->in_runpm)
2594		return -EPERM;
2595
2596	err = kstrtou32(buf, 10, &value);
2597	if (err)
2598		return err;
2599
2600	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2601	if (err < 0) {
2602		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2603		return err;
2604	}
2605
2606	err = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2607	if (err)
2608		goto out;
2609
2610	if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2611		err = -ENODATA;
2612		goto out;
2613	}
2614
2615	err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
2616
2617out:
2618	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2619	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2620
2621	if (err)
2622		return err;
2623
2624	return count;
2625}
2626
2627static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
2628					    struct device_attribute *attr,
2629					    char *buf)
2630{
2631	struct amdgpu_device *adev = dev_get_drvdata(dev);
2632	u32 pwm_mode = 0;
2633	int ret;
2634
2635	if (amdgpu_in_reset(adev))
2636		return -EPERM;
2637	if (adev->in_suspend && !adev->in_runpm)
2638		return -EPERM;
2639
2640	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2641	if (ret < 0) {
2642		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2643		return ret;
2644	}
2645
2646	ret = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
2647
2648	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2649	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2650
2651	if (ret)
2652		return -EINVAL;
2653
2654	return sysfs_emit(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
2655}
2656
2657static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
2658					    struct device_attribute *attr,
2659					    const char *buf,
2660					    size_t count)
2661{
2662	struct amdgpu_device *adev = dev_get_drvdata(dev);
2663	int err;
2664	int value;
2665	u32 pwm_mode;
2666
2667	if (amdgpu_in_reset(adev))
2668		return -EPERM;
2669	if (adev->in_suspend && !adev->in_runpm)
2670		return -EPERM;
2671
2672	err = kstrtoint(buf, 10, &value);
2673	if (err)
2674		return err;
2675
2676	if (value == 0)
2677		pwm_mode = AMD_FAN_CTRL_AUTO;
2678	else if (value == 1)
2679		pwm_mode = AMD_FAN_CTRL_MANUAL;
2680	else
2681		return -EINVAL;
2682
2683	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2684	if (err < 0) {
2685		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2686		return err;
2687	}
2688
2689	err = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
2690
2691	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2692	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2693
2694	if (err)
2695		return -EINVAL;
2696
2697	return count;
2698}
2699
2700static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
2701					struct device_attribute *attr,
2702					char *buf)
2703{
2704	struct amdgpu_device *adev = dev_get_drvdata(dev);
2705	u32 vddgfx;
2706	int r, size = sizeof(vddgfx);
2707
2708	if (amdgpu_in_reset(adev))
2709		return -EPERM;
2710	if (adev->in_suspend && !adev->in_runpm)
2711		return -EPERM;
2712
2713	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2714	if (r < 0) {
2715		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2716		return r;
2717	}
2718
2719	/* get the voltage */
2720	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX,
2721				   (void *)&vddgfx, &size);
2722
2723	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2724	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2725
2726	if (r)
2727		return r;
2728
2729	return sysfs_emit(buf, "%d\n", vddgfx);
2730}
2731
2732static ssize_t amdgpu_hwmon_show_vddgfx_label(struct device *dev,
2733					      struct device_attribute *attr,
2734					      char *buf)
2735{
2736	return sysfs_emit(buf, "vddgfx\n");
2737}
2738
2739static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
2740				       struct device_attribute *attr,
2741				       char *buf)
2742{
2743	struct amdgpu_device *adev = dev_get_drvdata(dev);
2744	u32 vddnb;
2745	int r, size = sizeof(vddnb);
2746
2747	if (amdgpu_in_reset(adev))
2748		return -EPERM;
2749	if (adev->in_suspend && !adev->in_runpm)
2750		return -EPERM;
2751
2752	/* only APUs have vddnb */
2753	if  (!(adev->flags & AMD_IS_APU))
2754		return -EINVAL;
2755
2756	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2757	if (r < 0) {
2758		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2759		return r;
2760	}
2761
2762	/* get the voltage */
2763	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB,
2764				   (void *)&vddnb, &size);
2765
2766	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2767	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2768
2769	if (r)
2770		return r;
2771
2772	return sysfs_emit(buf, "%d\n", vddnb);
2773}
2774
2775static ssize_t amdgpu_hwmon_show_vddnb_label(struct device *dev,
2776					      struct device_attribute *attr,
2777					      char *buf)
2778{
2779	return sysfs_emit(buf, "vddnb\n");
2780}
2781
2782static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
2783					   struct device_attribute *attr,
2784					   char *buf)
2785{
2786	struct amdgpu_device *adev = dev_get_drvdata(dev);
2787	u32 query = 0;
2788	int r, size = sizeof(u32);
2789	unsigned uw;
2790
2791	if (amdgpu_in_reset(adev))
2792		return -EPERM;
2793	if (adev->in_suspend && !adev->in_runpm)
2794		return -EPERM;
2795
2796	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2797	if (r < 0) {
2798		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2799		return r;
2800	}
2801
2802	/* get the voltage */
2803	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER,
2804				   (void *)&query, &size);
2805
2806	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2807	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2808
2809	if (r)
2810		return r;
2811
2812	/* convert to microwatts */
2813	uw = (query >> 8) * 1000000 + (query & 0xff) * 1000;
2814
2815	return sysfs_emit(buf, "%u\n", uw);
2816}
2817
2818static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev,
2819					 struct device_attribute *attr,
2820					 char *buf)
2821{
2822	return sysfs_emit(buf, "%i\n", 0);
2823}
2824
2825
2826static ssize_t amdgpu_hwmon_show_power_cap_generic(struct device *dev,
2827					struct device_attribute *attr,
2828					char *buf,
2829					enum pp_power_limit_level pp_limit_level)
2830{
2831	struct amdgpu_device *adev = dev_get_drvdata(dev);
2832	enum pp_power_type power_type = to_sensor_dev_attr(attr)->index;
2833	uint32_t limit;
2834	ssize_t size;
2835	int r;
2836
2837	if (amdgpu_in_reset(adev))
2838		return -EPERM;
2839	if (adev->in_suspend && !adev->in_runpm)
2840		return -EPERM;
2841
2842	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2843	if (r < 0) {
2844		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2845		return r;
2846	}
2847
2848	r = amdgpu_dpm_get_power_limit(adev, &limit,
2849				      pp_limit_level, power_type);
2850
2851	if (!r)
2852		size = sysfs_emit(buf, "%u\n", limit * 1000000);
2853	else
2854		size = sysfs_emit(buf, "\n");
2855
2856	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2857	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2858
2859	return size;
2860}
2861
2862
2863static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev,
2864					 struct device_attribute *attr,
2865					 char *buf)
2866{
2867	return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_MAX);
2868
2869}
2870
2871static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev,
2872					 struct device_attribute *attr,
2873					 char *buf)
2874{
2875	return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_CURRENT);
2876
2877}
2878
2879static ssize_t amdgpu_hwmon_show_power_cap_default(struct device *dev,
2880					 struct device_attribute *attr,
2881					 char *buf)
2882{
2883	return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_DEFAULT);
2884
2885}
2886
2887static ssize_t amdgpu_hwmon_show_power_label(struct device *dev,
2888					 struct device_attribute *attr,
2889					 char *buf)
2890{
2891	struct amdgpu_device *adev = dev_get_drvdata(dev);
2892	uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
2893
2894	if (gc_ver == IP_VERSION(10, 3, 1))
2895		return sysfs_emit(buf, "%s\n",
2896				  to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
2897				  "fastPPT" : "slowPPT");
2898	else
2899		return sysfs_emit(buf, "PPT\n");
2900}
2901
2902static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
2903		struct device_attribute *attr,
2904		const char *buf,
2905		size_t count)
2906{
2907	struct amdgpu_device *adev = dev_get_drvdata(dev);
2908	int limit_type = to_sensor_dev_attr(attr)->index;
2909	int err;
2910	u32 value;
2911
2912	if (amdgpu_in_reset(adev))
2913		return -EPERM;
2914	if (adev->in_suspend && !adev->in_runpm)
2915		return -EPERM;
2916
2917	if (amdgpu_sriov_vf(adev))
2918		return -EINVAL;
2919
2920	err = kstrtou32(buf, 10, &value);
2921	if (err)
2922		return err;
2923
2924	value = value / 1000000; /* convert to Watt */
2925	value |= limit_type << 24;
2926
2927	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2928	if (err < 0) {
2929		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2930		return err;
2931	}
2932
2933	err = amdgpu_dpm_set_power_limit(adev, value);
2934
2935	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2936	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2937
2938	if (err)
2939		return err;
2940
2941	return count;
2942}
2943
2944static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
2945				      struct device_attribute *attr,
2946				      char *buf)
2947{
2948	struct amdgpu_device *adev = dev_get_drvdata(dev);
2949	uint32_t sclk;
2950	int r, size = sizeof(sclk);
2951
2952	if (amdgpu_in_reset(adev))
2953		return -EPERM;
2954	if (adev->in_suspend && !adev->in_runpm)
2955		return -EPERM;
2956
2957	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2958	if (r < 0) {
2959		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2960		return r;
2961	}
2962
2963	/* get the sclk */
2964	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
2965				   (void *)&sclk, &size);
2966
2967	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
2968	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2969
2970	if (r)
2971		return r;
2972
2973	return sysfs_emit(buf, "%u\n", sclk * 10 * 1000);
2974}
2975
2976static ssize_t amdgpu_hwmon_show_sclk_label(struct device *dev,
2977					    struct device_attribute *attr,
2978					    char *buf)
2979{
2980	return sysfs_emit(buf, "sclk\n");
2981}
2982
2983static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
2984				      struct device_attribute *attr,
2985				      char *buf)
2986{
2987	struct amdgpu_device *adev = dev_get_drvdata(dev);
2988	uint32_t mclk;
2989	int r, size = sizeof(mclk);
2990
2991	if (amdgpu_in_reset(adev))
2992		return -EPERM;
2993	if (adev->in_suspend && !adev->in_runpm)
2994		return -EPERM;
2995
2996	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
2997	if (r < 0) {
2998		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
2999		return r;
3000	}
3001
3002	/* get the sclk */
3003	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
3004				   (void *)&mclk, &size);
3005
3006	pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
3007	pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
3008
3009	if (r)
3010		return r;
3011
3012	return sysfs_emit(buf, "%u\n", mclk * 10 * 1000);
3013}
3014
3015static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
3016					    struct device_attribute *attr,
3017					    char *buf)
3018{
3019	return sysfs_emit(buf, "mclk\n");
3020}
3021
3022/**
3023 * DOC: hwmon
3024 *
3025 * The amdgpu driver exposes the following sensor interfaces:
3026 *
3027 * - GPU temperature (via the on-die sensor)
3028 *
3029 * - GPU voltage
3030 *
3031 * - Northbridge voltage (APUs only)
3032 *
3033 * - GPU power
3034 *
3035 * - GPU fan
3036 *
3037 * - GPU gfx/compute engine clock
3038 *
3039 * - GPU memory clock (dGPU only)
3040 *
3041 * hwmon interfaces for GPU temperature:
3042 *
3043 * - temp[1-3]_input: the on die GPU temperature in millidegrees Celsius
3044 *   - temp2_input and temp3_input are supported on SOC15 dGPUs only
3045 *
3046 * - temp[1-3]_label: temperature channel label
3047 *   - temp2_label and temp3_label are supported on SOC15 dGPUs only
3048 *
3049 * - temp[1-3]_crit: temperature critical max value in millidegrees Celsius
3050 *   - temp2_crit and temp3_crit are supported on SOC15 dGPUs only
3051 *
3052 * - temp[1-3]_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius
3053 *   - temp2_crit_hyst and temp3_crit_hyst are supported on SOC15 dGPUs only
3054 *
3055 * - temp[1-3]_emergency: temperature emergency max value(asic shutdown) in millidegrees Celsius
3056 *   - these are supported on SOC15 dGPUs only
3057 *
3058 * hwmon interfaces for GPU voltage:
3059 *
3060 * - in0_input: the voltage on the GPU in millivolts
3061 *
3062 * - in1_input: the voltage on the Northbridge in millivolts
3063 *
3064 * hwmon interfaces for GPU power:
3065 *
3066 * - power1_average: average power used by the GPU in microWatts
3067 *
3068 * - power1_cap_min: minimum cap supported in microWatts
3069 *
3070 * - power1_cap_max: maximum cap supported in microWatts
3071 *
3072 * - power1_cap: selected power cap in microWatts
3073 *
3074 * hwmon interfaces for GPU fan:
3075 *
3076 * - pwm1: pulse width modulation fan level (0-255)
3077 *
3078 * - 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)
3079 *
3080 * - pwm1_min: pulse width modulation fan control minimum level (0)
3081 *
3082 * - pwm1_max: pulse width modulation fan control maximum level (255)
3083 *
3084 * - fan1_min: a minimum value Unit: revolution/min (RPM)
3085 *
3086 * - fan1_max: a maximum value Unit: revolution/max (RPM)
3087 *
3088 * - fan1_input: fan speed in RPM
3089 *
3090 * - fan[1-\*]_target: Desired fan speed Unit: revolution/min (RPM)
3091 *
3092 * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable
3093 *
3094 * NOTE: DO NOT set the fan speed via "pwm1" and "fan[1-\*]_target" interfaces at the same time.
3095 *       That will get the former one overridden.
3096 *
3097 * hwmon interfaces for GPU clocks:
3098 *
3099 * - freq1_input: the gfx/compute clock in hertz
3100 *
3101 * - freq2_input: the memory clock in hertz
3102 *
3103 * You can use hwmon tools like sensors to view this information on your system.
3104 *
3105 */
3106
3107static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_EDGE);
3108static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0);
3109static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1);
3110static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_EDGE);
3111static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_JUNCTION);
3112static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 0);
3113static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 1);
3114static SENSOR_DEVICE_ATTR(temp2_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_JUNCTION);
3115static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_MEM);
3116static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 0);
3117static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 1);
3118static SENSOR_DEVICE_ATTR(temp3_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_MEM);
3119static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_EDGE);
3120static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_JUNCTION);
3121static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_MEM);
3122static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu_hwmon_set_pwm1, 0);
3123static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0);
3124static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0);
3125static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0);
3126static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0);
3127static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, amdgpu_hwmon_get_fan1_min, NULL, 0);
3128static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, amdgpu_hwmon_get_fan1_max, NULL, 0);
3129static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_target, amdgpu_hwmon_set_fan1_target, 0);
3130static SENSOR_DEVICE_ATTR(fan1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_enable, amdgpu_hwmon_set_fan1_enable, 0);
3131static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, amdgpu_hwmon_show_vddgfx, NULL, 0);
3132static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NULL, 0);
3133static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0);
3134static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, amdgpu_hwmon_show_vddnb_label, NULL, 0);
3135static SENSOR_DEVICE_ATTR(power1_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 0);
3136static SENSOR_DEVICE_ATTR(power1_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 0);
3137static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 0);
3138static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0);
3139static SENSOR_DEVICE_ATTR(power1_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 0);
3140static SENSOR_DEVICE_ATTR(power1_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 0);
3141static SENSOR_DEVICE_ATTR(power2_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 1);
3142static SENSOR_DEVICE_ATTR(power2_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 1);
3143static SENSOR_DEVICE_ATTR(power2_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 1);
3144static SENSOR_DEVICE_ATTR(power2_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 1);
3145static SENSOR_DEVICE_ATTR(power2_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 1);
3146static SENSOR_DEVICE_ATTR(power2_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 1);
3147static SENSOR_DEVICE_ATTR(freq1_input, S_IRUGO, amdgpu_hwmon_show_sclk, NULL, 0);
3148static SENSOR_DEVICE_ATTR(freq1_label, S_IRUGO, amdgpu_hwmon_show_sclk_label, NULL, 0);
3149static SENSOR_DEVICE_ATTR(freq2_input, S_IRUGO, amdgpu_hwmon_show_mclk, NULL, 0);
3150static SENSOR_DEVICE_ATTR(freq2_label, S_IRUGO, amdgpu_hwmon_show_mclk_label, NULL, 0);
3151
3152static struct attribute *hwmon_attributes[] = {
3153	&sensor_dev_attr_temp1_input.dev_attr.attr,
3154	&sensor_dev_attr_temp1_crit.dev_attr.attr,
3155	&sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
3156	&sensor_dev_attr_temp2_input.dev_attr.attr,
3157	&sensor_dev_attr_temp2_crit.dev_attr.attr,
3158	&sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
3159	&sensor_dev_attr_temp3_input.dev_attr.attr,
3160	&sensor_dev_attr_temp3_crit.dev_attr.attr,
3161	&sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
3162	&sensor_dev_attr_temp1_emergency.dev_attr.attr,
3163	&sensor_dev_attr_temp2_emergency.dev_attr.attr,
3164	&sensor_dev_attr_temp3_emergency.dev_attr.attr,
3165	&sensor_dev_attr_temp1_label.dev_attr.attr,
3166	&sensor_dev_attr_temp2_label.dev_attr.attr,
3167	&sensor_dev_attr_temp3_label.dev_attr.attr,
3168	&sensor_dev_attr_pwm1.dev_attr.attr,
3169	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
3170	&sensor_dev_attr_pwm1_min.dev_attr.attr,
3171	&sensor_dev_attr_pwm1_max.dev_attr.attr,
3172	&sensor_dev_attr_fan1_input.dev_attr.attr,
3173	&sensor_dev_attr_fan1_min.dev_attr.attr,
3174	&sensor_dev_attr_fan1_max.dev_attr.attr,
3175	&sensor_dev_attr_fan1_target.dev_attr.attr,
3176	&sensor_dev_attr_fan1_enable.dev_attr.attr,
3177	&sensor_dev_attr_in0_input.dev_attr.attr,
3178	&sensor_dev_attr_in0_label.dev_attr.attr,
3179	&sensor_dev_attr_in1_input.dev_attr.attr,
3180	&sensor_dev_attr_in1_label.dev_attr.attr,
3181	&sensor_dev_attr_power1_average.dev_attr.attr,
3182	&sensor_dev_attr_power1_cap_max.dev_attr.attr,
3183	&sensor_dev_attr_power1_cap_min.dev_attr.attr,
3184	&sensor_dev_attr_power1_cap.dev_attr.attr,
3185	&sensor_dev_attr_power1_cap_default.dev_attr.attr,
3186	&sensor_dev_attr_power1_label.dev_attr.attr,
3187	&sensor_dev_attr_power2_average.dev_attr.attr,
3188	&sensor_dev_attr_power2_cap_max.dev_attr.attr,
3189	&sensor_dev_attr_power2_cap_min.dev_attr.attr,
3190	&sensor_dev_attr_power2_cap.dev_attr.attr,
3191	&sensor_dev_attr_power2_cap_default.dev_attr.attr,
3192	&sensor_dev_attr_power2_label.dev_attr.attr,
3193	&sensor_dev_attr_freq1_input.dev_attr.attr,
3194	&sensor_dev_attr_freq1_label.dev_attr.attr,
3195	&sensor_dev_attr_freq2_input.dev_attr.attr,
3196	&sensor_dev_attr_freq2_label.dev_attr.attr,
3197	NULL
3198};
3199
3200static umode_t hwmon_attributes_visible(struct kobject *kobj,
3201					struct attribute *attr, int index)
3202{
3203	struct device *dev = kobj_to_dev(kobj);
3204	struct amdgpu_device *adev = dev_get_drvdata(dev);
3205	umode_t effective_mode = attr->mode;
3206	uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
3207
3208	/* under multi-vf mode, the hwmon attributes are all not supported */
3209	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
3210		return 0;
3211
3212	/* under pp one vf mode manage of hwmon attributes is not supported */
3213	if (amdgpu_sriov_is_pp_one_vf(adev))
3214		effective_mode &= ~S_IWUSR;
3215
3216	/* Skip fan attributes if fan is not present */
3217	if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3218	    attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3219	    attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3220	    attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3221	    attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3222	    attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3223	    attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3224	    attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3225	    attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3226		return 0;
3227
3228	/* Skip fan attributes on APU */
3229	if ((adev->flags & AMD_IS_APU) &&
3230	    (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3231	     attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3232	     attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3233	     attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3234	     attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3235	     attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3236	     attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3237	     attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3238	     attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3239		return 0;
3240
3241	/* Skip crit temp on APU */
3242	if ((adev->flags & AMD_IS_APU) && (adev->family >= AMDGPU_FAMILY_CZ) &&
3243	    (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
3244	     attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr))
3245		return 0;
3246
3247	/* Skip limit attributes if DPM is not enabled */
3248	if (!adev->pm.dpm_enabled &&
3249	    (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
3250	     attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
3251	     attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
3252	     attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
3253	     attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3254	     attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
3255	     attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
3256	     attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
3257	     attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3258	     attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
3259	     attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
3260		return 0;
3261
3262	/* mask fan attributes if we have no bindings for this asic to expose */
3263	if (((amdgpu_dpm_get_fan_speed_pwm(adev, NULL) == -EOPNOTSUPP) &&
3264	      attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */
3265	    ((amdgpu_dpm_get_fan_control_mode(adev, NULL) == -EOPNOTSUPP) &&
3266	     attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */
3267		effective_mode &= ~S_IRUGO;
3268
3269	if (((amdgpu_dpm_set_fan_speed_pwm(adev, U32_MAX) == -EOPNOTSUPP) &&
3270	      attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */
3271	      ((amdgpu_dpm_set_fan_control_mode(adev, U32_MAX) == -EOPNOTSUPP) &&
3272	      attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
3273		effective_mode &= ~S_IWUSR;
3274
3275	/* not implemented yet for GC 10.3.1 APUs */
3276	if (((adev->family == AMDGPU_FAMILY_SI) ||
3277	     ((adev->flags & AMD_IS_APU) && (gc_ver != IP_VERSION(10, 3, 1)))) &&
3278	    (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr ||
3279	     attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr ||
3280	     attr == &sensor_dev_attr_power1_cap.dev_attr.attr ||
3281	     attr == &sensor_dev_attr_power1_cap_default.dev_attr.attr))
3282		return 0;
3283
3284	/* not implemented yet for APUs having <= GC 9.3.0 */
3285	if (((adev->family == AMDGPU_FAMILY_SI) ||
3286	     ((adev->flags & AMD_IS_APU) && (gc_ver < IP_VERSION(9, 3, 0)))) &&
3287	    (attr == &sensor_dev_attr_power1_average.dev_attr.attr))
3288		return 0;
3289
3290	/* hide max/min values if we can't both query and manage the fan */
3291	if (((amdgpu_dpm_set_fan_speed_pwm(adev, U32_MAX) == -EOPNOTSUPP) &&
3292	      (amdgpu_dpm_get_fan_speed_pwm(adev, NULL) == -EOPNOTSUPP) &&
3293	      (amdgpu_dpm_set_fan_speed_rpm(adev, U32_MAX) == -EOPNOTSUPP) &&
3294	      (amdgpu_dpm_get_fan_speed_rpm(adev, NULL) == -EOPNOTSUPP)) &&
3295	    (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
3296	     attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
3297		return 0;
3298
3299	if ((amdgpu_dpm_set_fan_speed_rpm(adev, U32_MAX) == -EOPNOTSUPP) &&
3300	     (amdgpu_dpm_get_fan_speed_rpm(adev, NULL) == -EOPNOTSUPP) &&
3301	     (attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
3302	     attr == &sensor_dev_attr_fan1_min.dev_attr.attr))
3303		return 0;
3304
3305	if ((adev->family == AMDGPU_FAMILY_SI ||	/* not implemented yet */
3306	     adev->family == AMDGPU_FAMILY_KV) &&	/* not implemented yet */
3307	    (attr == &sensor_dev_attr_in0_input.dev_attr.attr ||
3308	     attr == &sensor_dev_attr_in0_label.dev_attr.attr))
3309		return 0;
3310
3311	/* only APUs have vddnb */
3312	if (!(adev->flags & AMD_IS_APU) &&
3313	    (attr == &sensor_dev_attr_in1_input.dev_attr.attr ||
3314	     attr == &sensor_dev_attr_in1_label.dev_attr.attr))
3315		return 0;
3316
3317	/* no mclk on APUs */
3318	if ((adev->flags & AMD_IS_APU) &&
3319	    (attr == &sensor_dev_attr_freq2_input.dev_attr.attr ||
3320	     attr == &sensor_dev_attr_freq2_label.dev_attr.attr))
3321		return 0;
3322
3323	/* only SOC15 dGPUs support hotspot and mem temperatures */
3324	if (((adev->flags & AMD_IS_APU) || gc_ver < IP_VERSION(9, 0, 0)) &&
3325	    (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr ||
3326	     attr == &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr ||
3327	     attr == &sensor_dev_attr_temp3_crit.dev_attr.attr ||
3328	     attr == &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr ||
3329	     attr == &sensor_dev_attr_temp1_emergency.dev_attr.attr ||
3330	     attr == &sensor_dev_attr_temp2_emergency.dev_attr.attr ||
3331	     attr == &sensor_dev_attr_temp3_emergency.dev_attr.attr ||
3332	     attr == &sensor_dev_attr_temp2_input.dev_attr.attr ||
3333	     attr == &sensor_dev_attr_temp3_input.dev_attr.attr ||
3334	     attr == &sensor_dev_attr_temp2_label.dev_attr.attr ||
3335	     attr == &sensor_dev_attr_temp3_label.dev_attr.attr))
3336		return 0;
3337
3338	/* only Vangogh has fast PPT limit and power labels */
3339	if (!(gc_ver == IP_VERSION(10, 3, 1)) &&
3340	    (attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
3341	     attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
3342	     attr == &sensor_dev_attr_power2_cap_min.dev_attr.attr ||
3343	     attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
3344	     attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
3345	     attr == &sensor_dev_attr_power2_label.dev_attr.attr))
3346		return 0;
3347
3348	return effective_mode;
3349}
3350
3351static const struct attribute_group hwmon_attrgroup = {
3352	.attrs = hwmon_attributes,
3353	.is_visible = hwmon_attributes_visible,
3354};
3355
3356static const struct attribute_group *hwmon_groups[] = {
3357	&hwmon_attrgroup,
3358	NULL
3359};
3360
3361int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
3362{
3363	int ret;
3364	uint32_t mask = 0;
3365
3366	if (adev->pm.sysfs_initialized)
3367		return 0;
3368
3369	INIT_LIST_HEAD(&adev->pm.pm_attr_list);
3370
3371	if (adev->pm.dpm_enabled == 0)
3372		return 0;
3373
3374	adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
3375								   DRIVER_NAME, adev,
3376								   hwmon_groups);
3377	if (IS_ERR(adev->pm.int_hwmon_dev)) {
3378		ret = PTR_ERR(adev->pm.int_hwmon_dev);
3379		dev_err(adev->dev,
3380			"Unable to register hwmon device: %d\n", ret);
3381		return ret;
3382	}
3383
3384	switch (amdgpu_virt_get_sriov_vf_mode(adev)) {
3385	case SRIOV_VF_MODE_ONE_VF:
3386		mask = ATTR_FLAG_ONEVF;
3387		break;
3388	case SRIOV_VF_MODE_MULTI_VF:
3389		mask = 0;
3390		break;
3391	case SRIOV_VF_MODE_BARE_METAL:
3392	default:
3393		mask = ATTR_FLAG_MASK_ALL;
3394		break;
3395	}
3396
3397	ret = amdgpu_device_attr_create_groups(adev,
3398					       amdgpu_device_attrs,
3399					       ARRAY_SIZE(amdgpu_device_attrs),
3400					       mask,
3401					       &adev->pm.pm_attr_list);
3402	if (ret)
3403		return ret;
3404
3405	adev->pm.sysfs_initialized = true;
3406
3407	return 0;
3408}
3409
3410void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
3411{
3412	if (adev->pm.int_hwmon_dev)
3413		hwmon_device_unregister(adev->pm.int_hwmon_dev);
3414
3415	amdgpu_device_attr_remove_groups(adev, &adev->pm.pm_attr_list);
3416}
3417
3418/*
3419 * Debugfs info
3420 */
3421#if defined(CONFIG_DEBUG_FS)
3422
3423static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,
3424					   struct amdgpu_device *adev) {
3425	uint16_t *p_val;
3426	uint32_t size;
3427	int i;
3428	uint32_t num_cpu_cores = amdgpu_dpm_get_num_cpu_cores(adev);
3429
3430	if (amdgpu_dpm_is_cclk_dpm_supported(adev)) {
3431		p_val = kcalloc(num_cpu_cores, sizeof(uint16_t),
3432				GFP_KERNEL);
3433
3434		if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_CPU_CLK,
3435					    (void *)p_val, &size)) {
3436			for (i = 0; i < num_cpu_cores; i++)
3437				seq_printf(m, "\t%u MHz (CPU%d)\n",
3438					   *(p_val + i), i);
3439		}
3440
3441		kfree(p_val);
3442	}
3443}
3444
3445static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
3446{
3447	uint32_t mp1_ver = adev->ip_versions[MP1_HWIP][0];
3448	uint32_t gc_ver = adev->ip_versions[GC_HWIP][0];
3449	uint32_t value;
3450	uint64_t value64 = 0;
3451	uint32_t query = 0;
3452	int size;
3453
3454	/* GPU Clocks */
3455	size = sizeof(value);
3456	seq_printf(m, "GFX Clocks and Power:\n");
3457
3458	amdgpu_debugfs_prints_cpu_info(m, adev);
3459
3460	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size))
3461		seq_printf(m, "\t%u MHz (MCLK)\n", value/100);
3462	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size))
3463		seq_printf(m, "\t%u MHz (SCLK)\n", value/100);
3464	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&value, &size))
3465		seq_printf(m, "\t%u MHz (PSTATE_SCLK)\n", value/100);
3466	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&value, &size))
3467		seq_printf(m, "\t%u MHz (PSTATE_MCLK)\n", value/100);
3468	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size))
3469		seq_printf(m, "\t%u mV (VDDGFX)\n", value);
3470	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size))
3471		seq_printf(m, "\t%u mV (VDDNB)\n", value);
3472	size = sizeof(uint32_t);
3473	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size))
3474		seq_printf(m, "\t%u.%u W (average GPU)\n", query >> 8, query & 0xff);
3475	size = sizeof(value);
3476	seq_printf(m, "\n");
3477
3478	/* GPU Temp */
3479	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&value, &size))
3480		seq_printf(m, "GPU Temperature: %u C\n", value/1000);
3481
3482	/* GPU Load */
3483	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size))
3484		seq_printf(m, "GPU Load: %u %%\n", value);
3485	/* MEM Load */
3486	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, (void *)&value, &size))
3487		seq_printf(m, "MEM Load: %u %%\n", value);
3488
3489	seq_printf(m, "\n");
3490
3491	/* SMC feature mask */
3492	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
3493		seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);
3494
3495	/* ASICs greater than CHIP_VEGA20 supports these sensors */
3496	if (gc_ver != IP_VERSION(9, 4, 0) && mp1_ver > IP_VERSION(9, 0, 0)) {
3497		/* VCN clocks */
3498		if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) {
3499			if (!value) {
3500				seq_printf(m, "VCN: Disabled\n");
3501			} else {
3502				seq_printf(m, "VCN: Enabled\n");
3503				if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3504					seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3505				if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3506					seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3507			}
3508		}
3509		seq_printf(m, "\n");
3510	} else {
3511		/* UVD clocks */
3512		if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
3513			if (!value) {
3514				seq_printf(m, "UVD: Disabled\n");
3515			} else {
3516				seq_printf(m, "UVD: Enabled\n");
3517				if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3518					seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3519				if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3520					seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3521			}
3522		}
3523		seq_printf(m, "\n");
3524
3525		/* VCE clocks */
3526		if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) {
3527			if (!value) {
3528				seq_printf(m, "VCE: Disabled\n");
3529			} else {
3530				seq_printf(m, "VCE: Enabled\n");
3531				if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size))
3532					seq_printf(m, "\t%u MHz (ECCLK)\n", value/100);
3533			}
3534		}
3535	}
3536
3537	return 0;
3538}
3539
3540static void amdgpu_parse_cg_state(struct seq_file *m, u64 flags)
3541{
3542	int i;
3543
3544	for (i = 0; clocks[i].flag; i++)
3545		seq_printf(m, "\t%s: %s\n", clocks[i].name,
3546			   (flags & clocks[i].flag) ? "On" : "Off");
3547}
3548
3549static int amdgpu_debugfs_pm_info_show(struct seq_file *m, void *unused)
3550{
3551	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
3552	struct drm_device *dev = adev_to_drm(adev);
3553	u64 flags = 0;
3554	int r;
3555
3556	if (amdgpu_in_reset(adev))
3557		return -EPERM;
3558	if (adev->in_suspend && !adev->in_runpm)
3559		return -EPERM;
3560
3561	r = pm_runtime_get_sync(dev->dev);
3562	if (r < 0) {
3563		pm_runtime_put_autosuspend(dev->dev);
3564		return r;
3565	}
3566
3567	if (amdgpu_dpm_debugfs_print_current_performance_level(adev, m)) {
3568		r = amdgpu_debugfs_pm_info_pp(m, adev);
3569		if (r)
3570			goto out;
3571	}
3572
3573	amdgpu_device_ip_get_clockgating_state(adev, &flags);
3574
3575	seq_printf(m, "Clock Gating Flags Mask: 0x%llx\n", flags);
3576	amdgpu_parse_cg_state(m, flags);
3577	seq_printf(m, "\n");
3578
3579out:
3580	pm_runtime_mark_last_busy(dev->dev);
3581	pm_runtime_put_autosuspend(dev->dev);
3582
3583	return r;
3584}
3585
3586DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_pm_info);
3587
3588/*
3589 * amdgpu_pm_priv_buffer_read - Read memory region allocated to FW
3590 *
3591 * Reads debug memory region allocated to PMFW
3592 */
3593static ssize_t amdgpu_pm_prv_buffer_read(struct file *f, char __user *buf,
3594					 size_t size, loff_t *pos)
3595{
3596	struct amdgpu_device *adev = file_inode(f)->i_private;
3597	size_t smu_prv_buf_size;
3598	void *smu_prv_buf;
3599	int ret = 0;
3600
3601	if (amdgpu_in_reset(adev))
3602		return -EPERM;
3603	if (adev->in_suspend && !adev->in_runpm)
3604		return -EPERM;
3605
3606	ret = amdgpu_dpm_get_smu_prv_buf_details(adev, &smu_prv_buf, &smu_prv_buf_size);
3607	if (ret)
3608		return ret;
3609
3610	if (!smu_prv_buf || !smu_prv_buf_size)
3611		return -EINVAL;
3612
3613	return simple_read_from_buffer(buf, size, pos, smu_prv_buf,
3614				       smu_prv_buf_size);
3615}
3616
3617static const struct file_operations amdgpu_debugfs_pm_prv_buffer_fops = {
3618	.owner = THIS_MODULE,
3619	.open = simple_open,
3620	.read = amdgpu_pm_prv_buffer_read,
3621	.llseek = default_llseek,
3622};
3623
3624#endif
3625
3626void amdgpu_debugfs_pm_init(struct amdgpu_device *adev)
3627{
3628#if defined(CONFIG_DEBUG_FS)
3629	struct drm_minor *minor = adev_to_drm(adev)->primary;
3630	struct dentry *root = minor->debugfs_root;
3631
3632	if (!adev->pm.dpm_enabled)
3633		return;
3634
3635	debugfs_create_file("amdgpu_pm_info", 0444, root, adev,
3636			    &amdgpu_debugfs_pm_info_fops);
3637
3638	if (adev->pm.smu_prv_buffer_size > 0)
3639		debugfs_create_file_size("amdgpu_pm_prv_buffer", 0444, root,
3640					 adev,
3641					 &amdgpu_debugfs_pm_prv_buffer_fops,
3642					 adev->pm.smu_prv_buffer_size);
3643
3644	amdgpu_dpm_stb_debug_fs_init(adev);
3645#endif
3646}