treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_pm.c
blobb03b1eb7ba0424fd4d70f930cbccd009949b4043
1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Rafał Miłecki <zajec5@gmail.com>
23 * Alex Deucher <alexdeucher@gmail.com>
26 #include <drm/drm_debugfs.h>
28 #include "amdgpu.h"
29 #include "amdgpu_drv.h"
30 #include "amdgpu_pm.h"
31 #include "amdgpu_dpm.h"
32 #include "amdgpu_display.h"
33 #include "amdgpu_smu.h"
34 #include "atom.h"
35 #include <linux/power_supply.h>
36 #include <linux/pci.h>
37 #include <linux/hwmon.h>
38 #include <linux/hwmon-sysfs.h>
39 #include <linux/nospec.h>
40 #include <linux/pm_runtime.h>
41 #include "hwmgr.h"
42 #define WIDTH_4K 3840
44 static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
46 static const struct cg_flag_name clocks[] = {
47 {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"},
48 {AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"},
49 {AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"},
50 {AMD_CG_SUPPORT_GFX_CGLS, "Graphics Coarse Grain memory Light Sleep"},
51 {AMD_CG_SUPPORT_GFX_CGTS, "Graphics Coarse Grain Tree Shader Clock Gating"},
52 {AMD_CG_SUPPORT_GFX_CGTS_LS, "Graphics Coarse Grain Tree Shader Light Sleep"},
53 {AMD_CG_SUPPORT_GFX_CP_LS, "Graphics Command Processor Light Sleep"},
54 {AMD_CG_SUPPORT_GFX_RLC_LS, "Graphics Run List Controller Light Sleep"},
55 {AMD_CG_SUPPORT_GFX_3D_CGCG, "Graphics 3D Coarse Grain Clock Gating"},
56 {AMD_CG_SUPPORT_GFX_3D_CGLS, "Graphics 3D Coarse Grain memory Light Sleep"},
57 {AMD_CG_SUPPORT_MC_LS, "Memory Controller Light Sleep"},
58 {AMD_CG_SUPPORT_MC_MGCG, "Memory Controller Medium Grain Clock Gating"},
59 {AMD_CG_SUPPORT_SDMA_LS, "System Direct Memory Access Light Sleep"},
60 {AMD_CG_SUPPORT_SDMA_MGCG, "System Direct Memory Access Medium Grain Clock Gating"},
61 {AMD_CG_SUPPORT_BIF_MGCG, "Bus Interface Medium Grain Clock Gating"},
62 {AMD_CG_SUPPORT_BIF_LS, "Bus Interface Light Sleep"},
63 {AMD_CG_SUPPORT_UVD_MGCG, "Unified Video Decoder Medium Grain Clock Gating"},
64 {AMD_CG_SUPPORT_VCE_MGCG, "Video Compression Engine Medium Grain Clock Gating"},
65 {AMD_CG_SUPPORT_HDP_LS, "Host Data Path Light Sleep"},
66 {AMD_CG_SUPPORT_HDP_MGCG, "Host Data Path Medium Grain Clock Gating"},
67 {AMD_CG_SUPPORT_DRM_MGCG, "Digital Right Management Medium Grain Clock Gating"},
68 {AMD_CG_SUPPORT_DRM_LS, "Digital Right Management Light Sleep"},
69 {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"},
70 {AMD_CG_SUPPORT_DF_MGCG, "Data Fabric Medium Grain Clock Gating"},
72 {AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"},
73 {AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"},
74 {0, NULL},
77 static const struct hwmon_temp_label {
78 enum PP_HWMON_TEMP channel;
79 const char *label;
80 } temp_label[] = {
81 {PP_TEMP_EDGE, "edge"},
82 {PP_TEMP_JUNCTION, "junction"},
83 {PP_TEMP_MEM, "mem"},
86 void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
88 if (adev->pm.dpm_enabled) {
89 mutex_lock(&adev->pm.mutex);
90 if (power_supply_is_system_supplied() > 0)
91 adev->pm.ac_power = true;
92 else
93 adev->pm.ac_power = false;
94 if (adev->powerplay.pp_funcs->enable_bapm)
95 amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
96 mutex_unlock(&adev->pm.mutex);
100 int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,
101 void *data, uint32_t *size)
103 int ret = 0;
105 if (!data || !size)
106 return -EINVAL;
108 if (is_support_sw_smu(adev))
109 ret = smu_read_sensor(&adev->smu, sensor, data, size);
110 else {
111 if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor)
112 ret = adev->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle,
113 sensor, data, size);
114 else
115 ret = -EINVAL;
118 return ret;
122 * DOC: power_dpm_state
124 * The power_dpm_state file is a legacy interface and is only provided for
125 * backwards compatibility. The amdgpu driver provides a sysfs API for adjusting
126 * certain power related parameters. The file power_dpm_state is used for this.
127 * It accepts the following arguments:
129 * - battery
131 * - balanced
133 * - performance
135 * battery
137 * On older GPUs, the vbios provided a special power state for battery
138 * operation. Selecting battery switched to this state. This is no
139 * longer provided on newer GPUs so the option does nothing in that case.
141 * balanced
143 * On older GPUs, the vbios provided a special power state for balanced
144 * operation. Selecting balanced switched to this state. This is no
145 * longer provided on newer GPUs so the option does nothing in that case.
147 * performance
149 * On older GPUs, the vbios provided a special power state for performance
150 * operation. Selecting performance switched to this state. This is no
151 * longer provided on newer GPUs so the option does nothing in that case.
155 static ssize_t amdgpu_get_dpm_state(struct device *dev,
156 struct device_attribute *attr,
157 char *buf)
159 struct drm_device *ddev = dev_get_drvdata(dev);
160 struct amdgpu_device *adev = ddev->dev_private;
161 enum amd_pm_state_type pm;
162 int ret;
164 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
165 return 0;
167 ret = pm_runtime_get_sync(ddev->dev);
168 if (ret < 0)
169 return ret;
171 if (is_support_sw_smu(adev)) {
172 if (adev->smu.ppt_funcs->get_current_power_state)
173 pm = smu_get_current_power_state(&adev->smu);
174 else
175 pm = adev->pm.dpm.user_state;
176 } else if (adev->powerplay.pp_funcs->get_current_power_state) {
177 pm = amdgpu_dpm_get_current_power_state(adev);
178 } else {
179 pm = adev->pm.dpm.user_state;
182 pm_runtime_mark_last_busy(ddev->dev);
183 pm_runtime_put_autosuspend(ddev->dev);
185 return snprintf(buf, PAGE_SIZE, "%s\n",
186 (pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
187 (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
190 static ssize_t amdgpu_set_dpm_state(struct device *dev,
191 struct device_attribute *attr,
192 const char *buf,
193 size_t count)
195 struct drm_device *ddev = dev_get_drvdata(dev);
196 struct amdgpu_device *adev = ddev->dev_private;
197 enum amd_pm_state_type state;
198 int ret;
200 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
201 return -EINVAL;
203 if (strncmp("battery", buf, strlen("battery")) == 0)
204 state = POWER_STATE_TYPE_BATTERY;
205 else if (strncmp("balanced", buf, strlen("balanced")) == 0)
206 state = POWER_STATE_TYPE_BALANCED;
207 else if (strncmp("performance", buf, strlen("performance")) == 0)
208 state = POWER_STATE_TYPE_PERFORMANCE;
209 else
210 return -EINVAL;
212 ret = pm_runtime_get_sync(ddev->dev);
213 if (ret < 0)
214 return ret;
216 if (is_support_sw_smu(adev)) {
217 mutex_lock(&adev->pm.mutex);
218 adev->pm.dpm.user_state = state;
219 mutex_unlock(&adev->pm.mutex);
220 } else if (adev->powerplay.pp_funcs->dispatch_tasks) {
221 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, &state);
222 } else {
223 mutex_lock(&adev->pm.mutex);
224 adev->pm.dpm.user_state = state;
225 mutex_unlock(&adev->pm.mutex);
227 amdgpu_pm_compute_clocks(adev);
229 pm_runtime_mark_last_busy(ddev->dev);
230 pm_runtime_put_autosuspend(ddev->dev);
232 return count;
237 * DOC: power_dpm_force_performance_level
239 * The amdgpu driver provides a sysfs API for adjusting certain power
240 * related parameters. The file power_dpm_force_performance_level is
241 * used for this. It accepts the following arguments:
243 * - auto
245 * - low
247 * - high
249 * - manual
251 * - profile_standard
253 * - profile_min_sclk
255 * - profile_min_mclk
257 * - profile_peak
259 * auto
261 * When auto is selected, the driver will attempt to dynamically select
262 * the optimal power profile for current conditions in the driver.
264 * low
266 * When low is selected, the clocks are forced to the lowest power state.
268 * high
270 * When high is selected, the clocks are forced to the highest power state.
272 * manual
274 * When manual is selected, the user can manually adjust which power states
275 * are enabled for each clock domain via the sysfs pp_dpm_mclk, pp_dpm_sclk,
276 * and pp_dpm_pcie files and adjust the power state transition heuristics
277 * via the pp_power_profile_mode sysfs file.
279 * profile_standard
280 * profile_min_sclk
281 * profile_min_mclk
282 * profile_peak
284 * When the profiling modes are selected, clock and power gating are
285 * disabled and the clocks are set for different profiling cases. This
286 * mode is recommended for profiling specific work loads where you do
287 * not want clock or power gating for clock fluctuation to interfere
288 * with your results. profile_standard sets the clocks to a fixed clock
289 * level which varies from asic to asic. profile_min_sclk forces the sclk
290 * to the lowest level. profile_min_mclk forces the mclk to the lowest level.
291 * profile_peak sets all clocks (mclk, sclk, pcie) to the highest levels.
295 static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
296 struct device_attribute *attr,
297 char *buf)
299 struct drm_device *ddev = dev_get_drvdata(dev);
300 struct amdgpu_device *adev = ddev->dev_private;
301 enum amd_dpm_forced_level level = 0xff;
302 int ret;
304 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
305 return 0;
307 ret = pm_runtime_get_sync(ddev->dev);
308 if (ret < 0)
309 return ret;
311 if (is_support_sw_smu(adev))
312 level = smu_get_performance_level(&adev->smu);
313 else if (adev->powerplay.pp_funcs->get_performance_level)
314 level = amdgpu_dpm_get_performance_level(adev);
315 else
316 level = adev->pm.dpm.forced_level;
318 pm_runtime_mark_last_busy(ddev->dev);
319 pm_runtime_put_autosuspend(ddev->dev);
321 return snprintf(buf, PAGE_SIZE, "%s\n",
322 (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" :
323 (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" :
324 (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" :
325 (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" :
326 (level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) ? "profile_standard" :
327 (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) ? "profile_min_sclk" :
328 (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) ? "profile_min_mclk" :
329 (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) ? "profile_peak" :
330 "unknown");
333 static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
334 struct device_attribute *attr,
335 const char *buf,
336 size_t count)
338 struct drm_device *ddev = dev_get_drvdata(dev);
339 struct amdgpu_device *adev = ddev->dev_private;
340 enum amd_dpm_forced_level level;
341 enum amd_dpm_forced_level current_level = 0xff;
342 int ret = 0;
344 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
345 return -EINVAL;
347 if (strncmp("low", buf, strlen("low")) == 0) {
348 level = AMD_DPM_FORCED_LEVEL_LOW;
349 } else if (strncmp("high", buf, strlen("high")) == 0) {
350 level = AMD_DPM_FORCED_LEVEL_HIGH;
351 } else if (strncmp("auto", buf, strlen("auto")) == 0) {
352 level = AMD_DPM_FORCED_LEVEL_AUTO;
353 } else if (strncmp("manual", buf, strlen("manual")) == 0) {
354 level = AMD_DPM_FORCED_LEVEL_MANUAL;
355 } else if (strncmp("profile_exit", buf, strlen("profile_exit")) == 0) {
356 level = AMD_DPM_FORCED_LEVEL_PROFILE_EXIT;
357 } else if (strncmp("profile_standard", buf, strlen("profile_standard")) == 0) {
358 level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD;
359 } else if (strncmp("profile_min_sclk", buf, strlen("profile_min_sclk")) == 0) {
360 level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK;
361 } else if (strncmp("profile_min_mclk", buf, strlen("profile_min_mclk")) == 0) {
362 level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK;
363 } else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) {
364 level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
365 } else {
366 return -EINVAL;
369 ret = pm_runtime_get_sync(ddev->dev);
370 if (ret < 0)
371 return ret;
373 if (is_support_sw_smu(adev))
374 current_level = smu_get_performance_level(&adev->smu);
375 else if (adev->powerplay.pp_funcs->get_performance_level)
376 current_level = amdgpu_dpm_get_performance_level(adev);
378 if (current_level == level) {
379 pm_runtime_mark_last_busy(ddev->dev);
380 pm_runtime_put_autosuspend(ddev->dev);
381 return count;
384 /* profile_exit setting is valid only when current mode is in profile mode */
385 if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
386 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
387 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
388 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) &&
389 (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) {
390 pr_err("Currently not in any profile mode!\n");
391 pm_runtime_mark_last_busy(ddev->dev);
392 pm_runtime_put_autosuspend(ddev->dev);
393 return -EINVAL;
396 if (is_support_sw_smu(adev)) {
397 ret = smu_force_performance_level(&adev->smu, level);
398 if (ret) {
399 pm_runtime_mark_last_busy(ddev->dev);
400 pm_runtime_put_autosuspend(ddev->dev);
401 return -EINVAL;
403 } else if (adev->powerplay.pp_funcs->force_performance_level) {
404 mutex_lock(&adev->pm.mutex);
405 if (adev->pm.dpm.thermal_active) {
406 mutex_unlock(&adev->pm.mutex);
407 pm_runtime_mark_last_busy(ddev->dev);
408 pm_runtime_put_autosuspend(ddev->dev);
409 return -EINVAL;
411 ret = amdgpu_dpm_force_performance_level(adev, level);
412 if (ret) {
413 mutex_unlock(&adev->pm.mutex);
414 pm_runtime_mark_last_busy(ddev->dev);
415 pm_runtime_put_autosuspend(ddev->dev);
416 return -EINVAL;
417 } else {
418 adev->pm.dpm.forced_level = level;
420 mutex_unlock(&adev->pm.mutex);
422 pm_runtime_mark_last_busy(ddev->dev);
423 pm_runtime_put_autosuspend(ddev->dev);
425 return count;
428 static ssize_t amdgpu_get_pp_num_states(struct device *dev,
429 struct device_attribute *attr,
430 char *buf)
432 struct drm_device *ddev = dev_get_drvdata(dev);
433 struct amdgpu_device *adev = ddev->dev_private;
434 struct pp_states_info data;
435 int i, buf_len, ret;
437 ret = pm_runtime_get_sync(ddev->dev);
438 if (ret < 0)
439 return ret;
441 if (is_support_sw_smu(adev)) {
442 ret = smu_get_power_num_states(&adev->smu, &data);
443 if (ret)
444 return ret;
445 } else if (adev->powerplay.pp_funcs->get_pp_num_states)
446 amdgpu_dpm_get_pp_num_states(adev, &data);
448 pm_runtime_mark_last_busy(ddev->dev);
449 pm_runtime_put_autosuspend(ddev->dev);
451 buf_len = snprintf(buf, PAGE_SIZE, "states: %d\n", data.nums);
452 for (i = 0; i < data.nums; i++)
453 buf_len += snprintf(buf + buf_len, PAGE_SIZE, "%d %s\n", i,
454 (data.states[i] == POWER_STATE_TYPE_INTERNAL_BOOT) ? "boot" :
455 (data.states[i] == POWER_STATE_TYPE_BATTERY) ? "battery" :
456 (data.states[i] == POWER_STATE_TYPE_BALANCED) ? "balanced" :
457 (data.states[i] == POWER_STATE_TYPE_PERFORMANCE) ? "performance" : "default");
459 return buf_len;
462 static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
463 struct device_attribute *attr,
464 char *buf)
466 struct drm_device *ddev = dev_get_drvdata(dev);
467 struct amdgpu_device *adev = ddev->dev_private;
468 struct pp_states_info data;
469 struct smu_context *smu = &adev->smu;
470 enum amd_pm_state_type pm = 0;
471 int i = 0, ret = 0;
473 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
474 return 0;
476 ret = pm_runtime_get_sync(ddev->dev);
477 if (ret < 0)
478 return ret;
480 if (is_support_sw_smu(adev)) {
481 pm = smu_get_current_power_state(smu);
482 ret = smu_get_power_num_states(smu, &data);
483 if (ret)
484 return ret;
485 } else if (adev->powerplay.pp_funcs->get_current_power_state
486 && adev->powerplay.pp_funcs->get_pp_num_states) {
487 pm = amdgpu_dpm_get_current_power_state(adev);
488 amdgpu_dpm_get_pp_num_states(adev, &data);
491 pm_runtime_mark_last_busy(ddev->dev);
492 pm_runtime_put_autosuspend(ddev->dev);
494 for (i = 0; i < data.nums; i++) {
495 if (pm == data.states[i])
496 break;
499 if (i == data.nums)
500 i = -EINVAL;
502 return snprintf(buf, PAGE_SIZE, "%d\n", i);
505 static ssize_t amdgpu_get_pp_force_state(struct device *dev,
506 struct device_attribute *attr,
507 char *buf)
509 struct drm_device *ddev = dev_get_drvdata(dev);
510 struct amdgpu_device *adev = ddev->dev_private;
512 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
513 return 0;
515 if (adev->pp_force_state_enabled)
516 return amdgpu_get_pp_cur_state(dev, attr, buf);
517 else
518 return snprintf(buf, PAGE_SIZE, "\n");
521 static ssize_t amdgpu_set_pp_force_state(struct device *dev,
522 struct device_attribute *attr,
523 const char *buf,
524 size_t count)
526 struct drm_device *ddev = dev_get_drvdata(dev);
527 struct amdgpu_device *adev = ddev->dev_private;
528 enum amd_pm_state_type state = 0;
529 unsigned long idx;
530 int ret;
532 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
533 return -EINVAL;
535 if (strlen(buf) == 1)
536 adev->pp_force_state_enabled = false;
537 else if (is_support_sw_smu(adev))
538 adev->pp_force_state_enabled = false;
539 else if (adev->powerplay.pp_funcs->dispatch_tasks &&
540 adev->powerplay.pp_funcs->get_pp_num_states) {
541 struct pp_states_info data;
543 ret = kstrtoul(buf, 0, &idx);
544 if (ret || idx >= ARRAY_SIZE(data.states))
545 return -EINVAL;
547 idx = array_index_nospec(idx, ARRAY_SIZE(data.states));
549 amdgpu_dpm_get_pp_num_states(adev, &data);
550 state = data.states[idx];
552 ret = pm_runtime_get_sync(ddev->dev);
553 if (ret < 0)
554 return ret;
556 /* only set user selected power states */
557 if (state != POWER_STATE_TYPE_INTERNAL_BOOT &&
558 state != POWER_STATE_TYPE_DEFAULT) {
559 amdgpu_dpm_dispatch_task(adev,
560 AMD_PP_TASK_ENABLE_USER_STATE, &state);
561 adev->pp_force_state_enabled = true;
563 pm_runtime_mark_last_busy(ddev->dev);
564 pm_runtime_put_autosuspend(ddev->dev);
567 return count;
571 * DOC: pp_table
573 * The amdgpu driver provides a sysfs API for uploading new powerplay
574 * tables. The file pp_table is used for this. Reading the file
575 * will dump the current power play table. Writing to the file
576 * will attempt to upload a new powerplay table and re-initialize
577 * powerplay using that new table.
581 static ssize_t amdgpu_get_pp_table(struct device *dev,
582 struct device_attribute *attr,
583 char *buf)
585 struct drm_device *ddev = dev_get_drvdata(dev);
586 struct amdgpu_device *adev = ddev->dev_private;
587 char *table = NULL;
588 int size, ret;
590 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
591 return 0;
593 ret = pm_runtime_get_sync(ddev->dev);
594 if (ret < 0)
595 return ret;
597 if (is_support_sw_smu(adev)) {
598 size = smu_sys_get_pp_table(&adev->smu, (void **)&table);
599 pm_runtime_mark_last_busy(ddev->dev);
600 pm_runtime_put_autosuspend(ddev->dev);
601 if (size < 0)
602 return size;
603 } else if (adev->powerplay.pp_funcs->get_pp_table) {
604 size = amdgpu_dpm_get_pp_table(adev, &table);
605 pm_runtime_mark_last_busy(ddev->dev);
606 pm_runtime_put_autosuspend(ddev->dev);
607 if (size < 0)
608 return size;
609 } else {
610 pm_runtime_mark_last_busy(ddev->dev);
611 pm_runtime_put_autosuspend(ddev->dev);
612 return 0;
615 if (size >= PAGE_SIZE)
616 size = PAGE_SIZE - 1;
618 memcpy(buf, table, size);
620 return size;
623 static ssize_t amdgpu_set_pp_table(struct device *dev,
624 struct device_attribute *attr,
625 const char *buf,
626 size_t count)
628 struct drm_device *ddev = dev_get_drvdata(dev);
629 struct amdgpu_device *adev = ddev->dev_private;
630 int ret = 0;
632 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
633 return -EINVAL;
635 ret = pm_runtime_get_sync(ddev->dev);
636 if (ret < 0)
637 return ret;
639 if (is_support_sw_smu(adev)) {
640 ret = smu_sys_set_pp_table(&adev->smu, (void *)buf, count);
641 if (ret) {
642 pm_runtime_mark_last_busy(ddev->dev);
643 pm_runtime_put_autosuspend(ddev->dev);
644 return ret;
646 } else if (adev->powerplay.pp_funcs->set_pp_table)
647 amdgpu_dpm_set_pp_table(adev, buf, count);
649 pm_runtime_mark_last_busy(ddev->dev);
650 pm_runtime_put_autosuspend(ddev->dev);
652 return count;
656 * DOC: pp_od_clk_voltage
658 * The amdgpu driver provides a sysfs API for adjusting the clocks and voltages
659 * in each power level within a power state. The pp_od_clk_voltage is used for
660 * this.
662 * < For Vega10 and previous ASICs >
664 * Reading the file will display:
666 * - a list of engine clock levels and voltages labeled OD_SCLK
668 * - a list of memory clock levels and voltages labeled OD_MCLK
670 * - a list of valid ranges for sclk, mclk, and voltage labeled OD_RANGE
672 * To manually adjust these settings, first select manual using
673 * power_dpm_force_performance_level. Enter a new value for each
674 * level by writing a string that contains "s/m level clock voltage" to
675 * the file. E.g., "s 1 500 820" will update sclk level 1 to be 500 MHz
676 * at 820 mV; "m 0 350 810" will update mclk level 0 to be 350 MHz at
677 * 810 mV. When you have edited all of the states as needed, write
678 * "c" (commit) to the file to commit your changes. If you want to reset to the
679 * default power levels, write "r" (reset) to the file to reset them.
682 * < For Vega20 >
684 * Reading the file will display:
686 * - minimum and maximum engine clock labeled OD_SCLK
688 * - maximum memory clock labeled OD_MCLK
690 * - three <frequency, voltage> points labeled OD_VDDC_CURVE.
691 * They can be used to calibrate the sclk voltage curve.
693 * - a list of valid ranges for sclk, mclk, and voltage curve points
694 * labeled OD_RANGE
696 * To manually adjust these settings:
698 * - First select manual using power_dpm_force_performance_level
700 * - For clock frequency setting, enter a new value by writing a
701 * string that contains "s/m index clock" to the file. The index
702 * should be 0 if to set minimum clock. And 1 if to set maximum
703 * clock. E.g., "s 0 500" will update minimum sclk to be 500 MHz.
704 * "m 1 800" will update maximum mclk to be 800Mhz.
706 * For sclk voltage curve, enter the new values by writing a
707 * string that contains "vc point clock voltage" to the file. The
708 * points are indexed by 0, 1 and 2. E.g., "vc 0 300 600" will
709 * update point1 with clock set as 300Mhz and voltage as
710 * 600mV. "vc 2 1000 1000" will update point3 with clock set
711 * as 1000Mhz and voltage 1000mV.
713 * - When you have edited all of the states as needed, write "c" (commit)
714 * to the file to commit your changes
716 * - If you want to reset to the default power levels, write "r" (reset)
717 * to the file to reset them
721 static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
722 struct device_attribute *attr,
723 const char *buf,
724 size_t count)
726 struct drm_device *ddev = dev_get_drvdata(dev);
727 struct amdgpu_device *adev = ddev->dev_private;
728 int ret;
729 uint32_t parameter_size = 0;
730 long parameter[64];
731 char buf_cpy[128];
732 char *tmp_str;
733 char *sub_str;
734 const char delimiter[3] = {' ', '\n', '\0'};
735 uint32_t type;
737 if (amdgpu_sriov_vf(adev))
738 return -EINVAL;
740 if (count > 127)
741 return -EINVAL;
743 if (*buf == 's')
744 type = PP_OD_EDIT_SCLK_VDDC_TABLE;
745 else if (*buf == 'm')
746 type = PP_OD_EDIT_MCLK_VDDC_TABLE;
747 else if(*buf == 'r')
748 type = PP_OD_RESTORE_DEFAULT_TABLE;
749 else if (*buf == 'c')
750 type = PP_OD_COMMIT_DPM_TABLE;
751 else if (!strncmp(buf, "vc", 2))
752 type = PP_OD_EDIT_VDDC_CURVE;
753 else
754 return -EINVAL;
756 memcpy(buf_cpy, buf, count+1);
758 tmp_str = buf_cpy;
760 if (type == PP_OD_EDIT_VDDC_CURVE)
761 tmp_str++;
762 while (isspace(*++tmp_str));
764 while (tmp_str[0]) {
765 sub_str = strsep(&tmp_str, delimiter);
766 ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
767 if (ret)
768 return -EINVAL;
769 parameter_size++;
771 while (isspace(*tmp_str))
772 tmp_str++;
775 ret = pm_runtime_get_sync(ddev->dev);
776 if (ret < 0)
777 return ret;
779 if (is_support_sw_smu(adev)) {
780 ret = smu_od_edit_dpm_table(&adev->smu, type,
781 parameter, parameter_size);
783 if (ret) {
784 pm_runtime_mark_last_busy(ddev->dev);
785 pm_runtime_put_autosuspend(ddev->dev);
786 return -EINVAL;
788 } else {
789 if (adev->powerplay.pp_funcs->odn_edit_dpm_table) {
790 ret = amdgpu_dpm_odn_edit_dpm_table(adev, type,
791 parameter, parameter_size);
792 if (ret) {
793 pm_runtime_mark_last_busy(ddev->dev);
794 pm_runtime_put_autosuspend(ddev->dev);
795 return -EINVAL;
799 if (type == PP_OD_COMMIT_DPM_TABLE) {
800 if (adev->powerplay.pp_funcs->dispatch_tasks) {
801 amdgpu_dpm_dispatch_task(adev,
802 AMD_PP_TASK_READJUST_POWER_STATE,
803 NULL);
804 pm_runtime_mark_last_busy(ddev->dev);
805 pm_runtime_put_autosuspend(ddev->dev);
806 return count;
807 } else {
808 pm_runtime_mark_last_busy(ddev->dev);
809 pm_runtime_put_autosuspend(ddev->dev);
810 return -EINVAL;
814 pm_runtime_mark_last_busy(ddev->dev);
815 pm_runtime_put_autosuspend(ddev->dev);
817 return count;
820 static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
821 struct device_attribute *attr,
822 char *buf)
824 struct drm_device *ddev = dev_get_drvdata(dev);
825 struct amdgpu_device *adev = ddev->dev_private;
826 ssize_t size;
827 int ret;
829 if (amdgpu_sriov_vf(adev))
830 return 0;
832 ret = pm_runtime_get_sync(ddev->dev);
833 if (ret < 0)
834 return ret;
836 if (is_support_sw_smu(adev)) {
837 size = smu_print_clk_levels(&adev->smu, SMU_OD_SCLK, buf);
838 size += smu_print_clk_levels(&adev->smu, SMU_OD_MCLK, buf+size);
839 size += smu_print_clk_levels(&adev->smu, SMU_OD_VDDC_CURVE, buf+size);
840 size += smu_print_clk_levels(&adev->smu, SMU_OD_RANGE, buf+size);
841 } else if (adev->powerplay.pp_funcs->print_clock_levels) {
842 size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf);
843 size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf+size);
844 size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf+size);
845 size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf+size);
846 } else {
847 size = snprintf(buf, PAGE_SIZE, "\n");
849 pm_runtime_mark_last_busy(ddev->dev);
850 pm_runtime_put_autosuspend(ddev->dev);
852 return size;
856 * DOC: pp_features
858 * The amdgpu driver provides a sysfs API for adjusting what powerplay
859 * features to be enabled. The file pp_features is used for this. And
860 * this is only available for Vega10 and later dGPUs.
862 * Reading back the file will show you the followings:
863 * - Current ppfeature masks
864 * - List of the all supported powerplay features with their naming,
865 * bitmasks and enablement status('Y'/'N' means "enabled"/"disabled").
867 * To manually enable or disable a specific feature, just set or clear
868 * the corresponding bit from original ppfeature masks and input the
869 * new ppfeature masks.
871 static ssize_t amdgpu_set_pp_feature_status(struct device *dev,
872 struct device_attribute *attr,
873 const char *buf,
874 size_t count)
876 struct drm_device *ddev = dev_get_drvdata(dev);
877 struct amdgpu_device *adev = ddev->dev_private;
878 uint64_t featuremask;
879 int ret;
881 if (amdgpu_sriov_vf(adev))
882 return -EINVAL;
884 ret = kstrtou64(buf, 0, &featuremask);
885 if (ret)
886 return -EINVAL;
888 pr_debug("featuremask = 0x%llx\n", featuremask);
890 ret = pm_runtime_get_sync(ddev->dev);
891 if (ret < 0)
892 return ret;
894 if (is_support_sw_smu(adev)) {
895 ret = smu_sys_set_pp_feature_mask(&adev->smu, featuremask);
896 if (ret) {
897 pm_runtime_mark_last_busy(ddev->dev);
898 pm_runtime_put_autosuspend(ddev->dev);
899 return -EINVAL;
901 } else if (adev->powerplay.pp_funcs->set_ppfeature_status) {
902 ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
903 if (ret) {
904 pm_runtime_mark_last_busy(ddev->dev);
905 pm_runtime_put_autosuspend(ddev->dev);
906 return -EINVAL;
909 pm_runtime_mark_last_busy(ddev->dev);
910 pm_runtime_put_autosuspend(ddev->dev);
912 return count;
915 static ssize_t amdgpu_get_pp_feature_status(struct device *dev,
916 struct device_attribute *attr,
917 char *buf)
919 struct drm_device *ddev = dev_get_drvdata(dev);
920 struct amdgpu_device *adev = ddev->dev_private;
921 ssize_t size;
922 int ret;
924 if (amdgpu_sriov_vf(adev))
925 return 0;
927 ret = pm_runtime_get_sync(ddev->dev);
928 if (ret < 0)
929 return ret;
931 if (is_support_sw_smu(adev))
932 size = smu_sys_get_pp_feature_mask(&adev->smu, buf);
933 else if (adev->powerplay.pp_funcs->get_ppfeature_status)
934 size = amdgpu_dpm_get_ppfeature_status(adev, buf);
935 else
936 size = snprintf(buf, PAGE_SIZE, "\n");
938 pm_runtime_mark_last_busy(ddev->dev);
939 pm_runtime_put_autosuspend(ddev->dev);
941 return size;
945 * DOC: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie
947 * The amdgpu driver provides a sysfs API for adjusting what power levels
948 * are enabled for a given power state. The files pp_dpm_sclk, pp_dpm_mclk,
949 * pp_dpm_socclk, pp_dpm_fclk, pp_dpm_dcefclk and pp_dpm_pcie are used for
950 * this.
952 * pp_dpm_socclk and pp_dpm_dcefclk interfaces are only available for
953 * Vega10 and later ASICs.
954 * pp_dpm_fclk interface is only available for Vega20 and later ASICs.
956 * Reading back the files will show you the available power levels within
957 * the power state and the clock information for those levels.
959 * To manually adjust these states, first select manual using
960 * power_dpm_force_performance_level.
961 * Secondly, enter a new value for each level by inputing a string that
962 * contains " echo xx xx xx > pp_dpm_sclk/mclk/pcie"
963 * E.g.,
965 * .. code-block:: bash
967 * echo "4 5 6" > pp_dpm_sclk
969 * will enable sclk levels 4, 5, and 6.
971 * NOTE: change to the dcefclk max dpm level is not supported now
974 static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
975 struct device_attribute *attr,
976 char *buf)
978 struct drm_device *ddev = dev_get_drvdata(dev);
979 struct amdgpu_device *adev = ddev->dev_private;
980 ssize_t size;
981 int ret;
983 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
984 return 0;
986 ret = pm_runtime_get_sync(ddev->dev);
987 if (ret < 0)
988 return ret;
990 if (is_support_sw_smu(adev))
991 size = smu_print_clk_levels(&adev->smu, SMU_SCLK, buf);
992 else if (adev->powerplay.pp_funcs->print_clock_levels)
993 size = amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf);
994 else
995 size = snprintf(buf, PAGE_SIZE, "\n");
997 pm_runtime_mark_last_busy(ddev->dev);
998 pm_runtime_put_autosuspend(ddev->dev);
1000 return size;
1004 * Worst case: 32 bits individually specified, in octal at 12 characters
1005 * per line (+1 for \n).
1007 #define AMDGPU_MASK_BUF_MAX (32 * 13)
1009 static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
1011 int ret;
1012 long level;
1013 char *sub_str = NULL;
1014 char *tmp;
1015 char buf_cpy[AMDGPU_MASK_BUF_MAX + 1];
1016 const char delimiter[3] = {' ', '\n', '\0'};
1017 size_t bytes;
1019 *mask = 0;
1021 bytes = min(count, sizeof(buf_cpy) - 1);
1022 memcpy(buf_cpy, buf, bytes);
1023 buf_cpy[bytes] = '\0';
1024 tmp = buf_cpy;
1025 while (tmp[0]) {
1026 sub_str = strsep(&tmp, delimiter);
1027 if (strlen(sub_str)) {
1028 ret = kstrtol(sub_str, 0, &level);
1029 if (ret)
1030 return -EINVAL;
1031 *mask |= 1 << level;
1032 } else
1033 break;
1036 return 0;
1039 static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
1040 struct device_attribute *attr,
1041 const char *buf,
1042 size_t count)
1044 struct drm_device *ddev = dev_get_drvdata(dev);
1045 struct amdgpu_device *adev = ddev->dev_private;
1046 int ret;
1047 uint32_t mask = 0;
1049 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1050 return -EINVAL;
1052 ret = amdgpu_read_mask(buf, count, &mask);
1053 if (ret)
1054 return ret;
1056 ret = pm_runtime_get_sync(ddev->dev);
1057 if (ret < 0)
1058 return ret;
1060 if (is_support_sw_smu(adev))
1061 ret = smu_force_clk_levels(&adev->smu, SMU_SCLK, mask, true);
1062 else if (adev->powerplay.pp_funcs->force_clock_level)
1063 ret = amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask);
1065 pm_runtime_mark_last_busy(ddev->dev);
1066 pm_runtime_put_autosuspend(ddev->dev);
1068 if (ret)
1069 return -EINVAL;
1071 return count;
1074 static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
1075 struct device_attribute *attr,
1076 char *buf)
1078 struct drm_device *ddev = dev_get_drvdata(dev);
1079 struct amdgpu_device *adev = ddev->dev_private;
1080 ssize_t size;
1081 int ret;
1083 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1084 return 0;
1086 ret = pm_runtime_get_sync(ddev->dev);
1087 if (ret < 0)
1088 return ret;
1090 if (is_support_sw_smu(adev))
1091 size = smu_print_clk_levels(&adev->smu, SMU_MCLK, buf);
1092 else if (adev->powerplay.pp_funcs->print_clock_levels)
1093 size = amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf);
1094 else
1095 size = snprintf(buf, PAGE_SIZE, "\n");
1097 pm_runtime_mark_last_busy(ddev->dev);
1098 pm_runtime_put_autosuspend(ddev->dev);
1100 return size;
1103 static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
1104 struct device_attribute *attr,
1105 const char *buf,
1106 size_t count)
1108 struct drm_device *ddev = dev_get_drvdata(dev);
1109 struct amdgpu_device *adev = ddev->dev_private;
1110 uint32_t mask = 0;
1111 int ret;
1113 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1114 return -EINVAL;
1116 ret = amdgpu_read_mask(buf, count, &mask);
1117 if (ret)
1118 return ret;
1120 ret = pm_runtime_get_sync(ddev->dev);
1121 if (ret < 0)
1122 return ret;
1124 if (is_support_sw_smu(adev))
1125 ret = smu_force_clk_levels(&adev->smu, SMU_MCLK, mask, true);
1126 else if (adev->powerplay.pp_funcs->force_clock_level)
1127 ret = amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask);
1129 pm_runtime_mark_last_busy(ddev->dev);
1130 pm_runtime_put_autosuspend(ddev->dev);
1132 if (ret)
1133 return -EINVAL;
1135 return count;
1138 static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
1139 struct device_attribute *attr,
1140 char *buf)
1142 struct drm_device *ddev = dev_get_drvdata(dev);
1143 struct amdgpu_device *adev = ddev->dev_private;
1144 ssize_t size;
1145 int ret;
1147 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1148 return 0;
1150 ret = pm_runtime_get_sync(ddev->dev);
1151 if (ret < 0)
1152 return ret;
1154 if (is_support_sw_smu(adev))
1155 size = smu_print_clk_levels(&adev->smu, SMU_SOCCLK, buf);
1156 else if (adev->powerplay.pp_funcs->print_clock_levels)
1157 size = amdgpu_dpm_print_clock_levels(adev, PP_SOCCLK, buf);
1158 else
1159 size = snprintf(buf, PAGE_SIZE, "\n");
1161 pm_runtime_mark_last_busy(ddev->dev);
1162 pm_runtime_put_autosuspend(ddev->dev);
1164 return size;
1167 static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
1168 struct device_attribute *attr,
1169 const char *buf,
1170 size_t count)
1172 struct drm_device *ddev = dev_get_drvdata(dev);
1173 struct amdgpu_device *adev = ddev->dev_private;
1174 int ret;
1175 uint32_t mask = 0;
1177 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1178 return -EINVAL;
1180 ret = amdgpu_read_mask(buf, count, &mask);
1181 if (ret)
1182 return ret;
1184 ret = pm_runtime_get_sync(ddev->dev);
1185 if (ret < 0)
1186 return ret;
1188 if (is_support_sw_smu(adev))
1189 ret = smu_force_clk_levels(&adev->smu, SMU_SOCCLK, mask, true);
1190 else if (adev->powerplay.pp_funcs->force_clock_level)
1191 ret = amdgpu_dpm_force_clock_level(adev, PP_SOCCLK, mask);
1192 else
1193 ret = 0;
1195 pm_runtime_mark_last_busy(ddev->dev);
1196 pm_runtime_put_autosuspend(ddev->dev);
1198 if (ret)
1199 return -EINVAL;
1201 return count;
1204 static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
1205 struct device_attribute *attr,
1206 char *buf)
1208 struct drm_device *ddev = dev_get_drvdata(dev);
1209 struct amdgpu_device *adev = ddev->dev_private;
1210 ssize_t size;
1211 int ret;
1213 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1214 return 0;
1216 ret = pm_runtime_get_sync(ddev->dev);
1217 if (ret < 0)
1218 return ret;
1220 if (is_support_sw_smu(adev))
1221 size = smu_print_clk_levels(&adev->smu, SMU_FCLK, buf);
1222 else if (adev->powerplay.pp_funcs->print_clock_levels)
1223 size = amdgpu_dpm_print_clock_levels(adev, PP_FCLK, buf);
1224 else
1225 size = snprintf(buf, PAGE_SIZE, "\n");
1227 pm_runtime_mark_last_busy(ddev->dev);
1228 pm_runtime_put_autosuspend(ddev->dev);
1230 return size;
1233 static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
1234 struct device_attribute *attr,
1235 const char *buf,
1236 size_t count)
1238 struct drm_device *ddev = dev_get_drvdata(dev);
1239 struct amdgpu_device *adev = ddev->dev_private;
1240 int ret;
1241 uint32_t mask = 0;
1243 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1244 return -EINVAL;
1246 ret = amdgpu_read_mask(buf, count, &mask);
1247 if (ret)
1248 return ret;
1250 ret = pm_runtime_get_sync(ddev->dev);
1251 if (ret < 0)
1252 return ret;
1254 if (is_support_sw_smu(adev))
1255 ret = smu_force_clk_levels(&adev->smu, SMU_FCLK, mask, true);
1256 else if (adev->powerplay.pp_funcs->force_clock_level)
1257 ret = amdgpu_dpm_force_clock_level(adev, PP_FCLK, mask);
1258 else
1259 ret = 0;
1261 pm_runtime_mark_last_busy(ddev->dev);
1262 pm_runtime_put_autosuspend(ddev->dev);
1264 if (ret)
1265 return -EINVAL;
1267 return count;
1270 static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
1271 struct device_attribute *attr,
1272 char *buf)
1274 struct drm_device *ddev = dev_get_drvdata(dev);
1275 struct amdgpu_device *adev = ddev->dev_private;
1276 ssize_t size;
1277 int ret;
1279 if (amdgpu_sriov_vf(adev))
1280 return 0;
1282 ret = pm_runtime_get_sync(ddev->dev);
1283 if (ret < 0)
1284 return ret;
1286 if (is_support_sw_smu(adev))
1287 size = smu_print_clk_levels(&adev->smu, SMU_DCEFCLK, buf);
1288 else if (adev->powerplay.pp_funcs->print_clock_levels)
1289 size = amdgpu_dpm_print_clock_levels(adev, PP_DCEFCLK, buf);
1290 else
1291 size = snprintf(buf, PAGE_SIZE, "\n");
1293 pm_runtime_mark_last_busy(ddev->dev);
1294 pm_runtime_put_autosuspend(ddev->dev);
1296 return size;
1299 static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
1300 struct device_attribute *attr,
1301 const char *buf,
1302 size_t count)
1304 struct drm_device *ddev = dev_get_drvdata(dev);
1305 struct amdgpu_device *adev = ddev->dev_private;
1306 int ret;
1307 uint32_t mask = 0;
1309 if (amdgpu_sriov_vf(adev))
1310 return -EINVAL;
1312 ret = amdgpu_read_mask(buf, count, &mask);
1313 if (ret)
1314 return ret;
1316 ret = pm_runtime_get_sync(ddev->dev);
1317 if (ret < 0)
1318 return ret;
1320 if (is_support_sw_smu(adev))
1321 ret = smu_force_clk_levels(&adev->smu, SMU_DCEFCLK, mask, true);
1322 else if (adev->powerplay.pp_funcs->force_clock_level)
1323 ret = amdgpu_dpm_force_clock_level(adev, PP_DCEFCLK, mask);
1324 else
1325 ret = 0;
1327 pm_runtime_mark_last_busy(ddev->dev);
1328 pm_runtime_put_autosuspend(ddev->dev);
1330 if (ret)
1331 return -EINVAL;
1333 return count;
1336 static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
1337 struct device_attribute *attr,
1338 char *buf)
1340 struct drm_device *ddev = dev_get_drvdata(dev);
1341 struct amdgpu_device *adev = ddev->dev_private;
1342 ssize_t size;
1343 int ret;
1345 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1346 return 0;
1348 ret = pm_runtime_get_sync(ddev->dev);
1349 if (ret < 0)
1350 return ret;
1352 if (is_support_sw_smu(adev))
1353 size = smu_print_clk_levels(&adev->smu, SMU_PCIE, buf);
1354 else if (adev->powerplay.pp_funcs->print_clock_levels)
1355 size = amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf);
1356 else
1357 size = snprintf(buf, PAGE_SIZE, "\n");
1359 pm_runtime_mark_last_busy(ddev->dev);
1360 pm_runtime_put_autosuspend(ddev->dev);
1362 return size;
1365 static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
1366 struct device_attribute *attr,
1367 const char *buf,
1368 size_t count)
1370 struct drm_device *ddev = dev_get_drvdata(dev);
1371 struct amdgpu_device *adev = ddev->dev_private;
1372 int ret;
1373 uint32_t mask = 0;
1375 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1376 return -EINVAL;
1378 ret = amdgpu_read_mask(buf, count, &mask);
1379 if (ret)
1380 return ret;
1382 ret = pm_runtime_get_sync(ddev->dev);
1383 if (ret < 0)
1384 return ret;
1386 if (is_support_sw_smu(adev))
1387 ret = smu_force_clk_levels(&adev->smu, SMU_PCIE, mask, true);
1388 else if (adev->powerplay.pp_funcs->force_clock_level)
1389 ret = amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
1390 else
1391 ret = 0;
1393 pm_runtime_mark_last_busy(ddev->dev);
1394 pm_runtime_put_autosuspend(ddev->dev);
1396 if (ret)
1397 return -EINVAL;
1399 return count;
1402 static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
1403 struct device_attribute *attr,
1404 char *buf)
1406 struct drm_device *ddev = dev_get_drvdata(dev);
1407 struct amdgpu_device *adev = ddev->dev_private;
1408 uint32_t value = 0;
1409 int ret;
1411 if (amdgpu_sriov_vf(adev))
1412 return 0;
1414 ret = pm_runtime_get_sync(ddev->dev);
1415 if (ret < 0)
1416 return ret;
1418 if (is_support_sw_smu(adev))
1419 value = smu_get_od_percentage(&(adev->smu), SMU_OD_SCLK);
1420 else if (adev->powerplay.pp_funcs->get_sclk_od)
1421 value = amdgpu_dpm_get_sclk_od(adev);
1423 pm_runtime_mark_last_busy(ddev->dev);
1424 pm_runtime_put_autosuspend(ddev->dev);
1426 return snprintf(buf, PAGE_SIZE, "%d\n", value);
1429 static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
1430 struct device_attribute *attr,
1431 const char *buf,
1432 size_t count)
1434 struct drm_device *ddev = dev_get_drvdata(dev);
1435 struct amdgpu_device *adev = ddev->dev_private;
1436 int ret;
1437 long int value;
1439 if (amdgpu_sriov_vf(adev))
1440 return -EINVAL;
1442 ret = kstrtol(buf, 0, &value);
1444 if (ret)
1445 return -EINVAL;
1447 ret = pm_runtime_get_sync(ddev->dev);
1448 if (ret < 0)
1449 return ret;
1451 if (is_support_sw_smu(adev)) {
1452 value = smu_set_od_percentage(&(adev->smu), SMU_OD_SCLK, (uint32_t)value);
1453 } else {
1454 if (adev->powerplay.pp_funcs->set_sclk_od)
1455 amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
1457 if (adev->powerplay.pp_funcs->dispatch_tasks) {
1458 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL);
1459 } else {
1460 adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
1461 amdgpu_pm_compute_clocks(adev);
1465 pm_runtime_mark_last_busy(ddev->dev);
1466 pm_runtime_put_autosuspend(ddev->dev);
1468 return count;
1471 static ssize_t amdgpu_get_pp_mclk_od(struct device *dev,
1472 struct device_attribute *attr,
1473 char *buf)
1475 struct drm_device *ddev = dev_get_drvdata(dev);
1476 struct amdgpu_device *adev = ddev->dev_private;
1477 uint32_t value = 0;
1478 int ret;
1480 if (amdgpu_sriov_vf(adev))
1481 return 0;
1483 ret = pm_runtime_get_sync(ddev->dev);
1484 if (ret < 0)
1485 return ret;
1487 if (is_support_sw_smu(adev))
1488 value = smu_get_od_percentage(&(adev->smu), SMU_OD_MCLK);
1489 else if (adev->powerplay.pp_funcs->get_mclk_od)
1490 value = amdgpu_dpm_get_mclk_od(adev);
1492 pm_runtime_mark_last_busy(ddev->dev);
1493 pm_runtime_put_autosuspend(ddev->dev);
1495 return snprintf(buf, PAGE_SIZE, "%d\n", value);
1498 static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
1499 struct device_attribute *attr,
1500 const char *buf,
1501 size_t count)
1503 struct drm_device *ddev = dev_get_drvdata(dev);
1504 struct amdgpu_device *adev = ddev->dev_private;
1505 int ret;
1506 long int value;
1508 if (amdgpu_sriov_vf(adev))
1509 return 0;
1511 ret = kstrtol(buf, 0, &value);
1513 if (ret)
1514 return -EINVAL;
1516 ret = pm_runtime_get_sync(ddev->dev);
1517 if (ret < 0)
1518 return ret;
1520 if (is_support_sw_smu(adev)) {
1521 value = smu_set_od_percentage(&(adev->smu), SMU_OD_MCLK, (uint32_t)value);
1522 } else {
1523 if (adev->powerplay.pp_funcs->set_mclk_od)
1524 amdgpu_dpm_set_mclk_od(adev, (uint32_t)value);
1526 if (adev->powerplay.pp_funcs->dispatch_tasks) {
1527 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL);
1528 } else {
1529 adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
1530 amdgpu_pm_compute_clocks(adev);
1534 pm_runtime_mark_last_busy(ddev->dev);
1535 pm_runtime_put_autosuspend(ddev->dev);
1537 return count;
1541 * DOC: pp_power_profile_mode
1543 * The amdgpu driver provides a sysfs API for adjusting the heuristics
1544 * related to switching between power levels in a power state. The file
1545 * pp_power_profile_mode is used for this.
1547 * Reading this file outputs a list of all of the predefined power profiles
1548 * and the relevant heuristics settings for that profile.
1550 * To select a profile or create a custom profile, first select manual using
1551 * power_dpm_force_performance_level. Writing the number of a predefined
1552 * profile to pp_power_profile_mode will enable those heuristics. To
1553 * create a custom set of heuristics, write a string of numbers to the file
1554 * starting with the number of the custom profile along with a setting
1555 * for each heuristic parameter. Due to differences across asic families
1556 * the heuristic parameters vary from family to family.
1560 static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev,
1561 struct device_attribute *attr,
1562 char *buf)
1564 struct drm_device *ddev = dev_get_drvdata(dev);
1565 struct amdgpu_device *adev = ddev->dev_private;
1566 ssize_t size;
1567 int ret;
1569 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1570 return 0;
1572 ret = pm_runtime_get_sync(ddev->dev);
1573 if (ret < 0)
1574 return ret;
1576 if (is_support_sw_smu(adev))
1577 size = smu_get_power_profile_mode(&adev->smu, buf);
1578 else if (adev->powerplay.pp_funcs->get_power_profile_mode)
1579 size = amdgpu_dpm_get_power_profile_mode(adev, buf);
1580 else
1581 size = snprintf(buf, PAGE_SIZE, "\n");
1583 pm_runtime_mark_last_busy(ddev->dev);
1584 pm_runtime_put_autosuspend(ddev->dev);
1586 return size;
1590 static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
1591 struct device_attribute *attr,
1592 const char *buf,
1593 size_t count)
1595 int ret = 0xff;
1596 struct drm_device *ddev = dev_get_drvdata(dev);
1597 struct amdgpu_device *adev = ddev->dev_private;
1598 uint32_t parameter_size = 0;
1599 long parameter[64];
1600 char *sub_str, buf_cpy[128];
1601 char *tmp_str;
1602 uint32_t i = 0;
1603 char tmp[2];
1604 long int profile_mode = 0;
1605 const char delimiter[3] = {' ', '\n', '\0'};
1607 tmp[0] = *(buf);
1608 tmp[1] = '\0';
1609 ret = kstrtol(tmp, 0, &profile_mode);
1610 if (ret)
1611 return -EINVAL;
1613 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1614 return -EINVAL;
1616 if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
1617 if (count < 2 || count > 127)
1618 return -EINVAL;
1619 while (isspace(*++buf))
1620 i++;
1621 memcpy(buf_cpy, buf, count-i);
1622 tmp_str = buf_cpy;
1623 while (tmp_str[0]) {
1624 sub_str = strsep(&tmp_str, delimiter);
1625 ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
1626 if (ret)
1627 return -EINVAL;
1628 parameter_size++;
1629 while (isspace(*tmp_str))
1630 tmp_str++;
1633 parameter[parameter_size] = profile_mode;
1635 ret = pm_runtime_get_sync(ddev->dev);
1636 if (ret < 0)
1637 return ret;
1639 if (is_support_sw_smu(adev))
1640 ret = smu_set_power_profile_mode(&adev->smu, parameter, parameter_size, true);
1641 else if (adev->powerplay.pp_funcs->set_power_profile_mode)
1642 ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size);
1644 pm_runtime_mark_last_busy(ddev->dev);
1645 pm_runtime_put_autosuspend(ddev->dev);
1647 if (!ret)
1648 return count;
1650 return -EINVAL;
1654 * DOC: busy_percent
1656 * The amdgpu driver provides a sysfs API for reading how busy the GPU
1657 * is as a percentage. The file gpu_busy_percent is used for this.
1658 * The SMU firmware computes a percentage of load based on the
1659 * aggregate activity level in the IP cores.
1661 static ssize_t amdgpu_get_busy_percent(struct device *dev,
1662 struct device_attribute *attr,
1663 char *buf)
1665 struct drm_device *ddev = dev_get_drvdata(dev);
1666 struct amdgpu_device *adev = ddev->dev_private;
1667 int r, value, size = sizeof(value);
1669 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1670 return 0;
1672 r = pm_runtime_get_sync(ddev->dev);
1673 if (r < 0)
1674 return r;
1676 /* read the IP busy sensor */
1677 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD,
1678 (void *)&value, &size);
1680 pm_runtime_mark_last_busy(ddev->dev);
1681 pm_runtime_put_autosuspend(ddev->dev);
1683 if (r)
1684 return r;
1686 return snprintf(buf, PAGE_SIZE, "%d\n", value);
1690 * DOC: mem_busy_percent
1692 * The amdgpu driver provides a sysfs API for reading how busy the VRAM
1693 * is as a percentage. The file mem_busy_percent is used for this.
1694 * The SMU firmware computes a percentage of load based on the
1695 * aggregate activity level in the IP cores.
1697 static ssize_t amdgpu_get_memory_busy_percent(struct device *dev,
1698 struct device_attribute *attr,
1699 char *buf)
1701 struct drm_device *ddev = dev_get_drvdata(dev);
1702 struct amdgpu_device *adev = ddev->dev_private;
1703 int r, value, size = sizeof(value);
1705 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1706 return 0;
1708 r = pm_runtime_get_sync(ddev->dev);
1709 if (r < 0)
1710 return r;
1712 /* read the IP busy sensor */
1713 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD,
1714 (void *)&value, &size);
1716 pm_runtime_mark_last_busy(ddev->dev);
1717 pm_runtime_put_autosuspend(ddev->dev);
1719 if (r)
1720 return r;
1722 return snprintf(buf, PAGE_SIZE, "%d\n", value);
1726 * DOC: pcie_bw
1728 * The amdgpu driver provides a sysfs API for estimating how much data
1729 * has been received and sent by the GPU in the last second through PCIe.
1730 * The file pcie_bw is used for this.
1731 * The Perf counters count the number of received and sent messages and return
1732 * those values, as well as the maximum payload size of a PCIe packet (mps).
1733 * Note that it is not possible to easily and quickly obtain the size of each
1734 * packet transmitted, so we output the max payload size (mps) to allow for
1735 * quick estimation of the PCIe bandwidth usage
1737 static ssize_t amdgpu_get_pcie_bw(struct device *dev,
1738 struct device_attribute *attr,
1739 char *buf)
1741 struct drm_device *ddev = dev_get_drvdata(dev);
1742 struct amdgpu_device *adev = ddev->dev_private;
1743 uint64_t count0, count1;
1744 int ret;
1746 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1747 return 0;
1749 ret = pm_runtime_get_sync(ddev->dev);
1750 if (ret < 0)
1751 return ret;
1753 amdgpu_asic_get_pcie_usage(adev, &count0, &count1);
1755 pm_runtime_mark_last_busy(ddev->dev);
1756 pm_runtime_put_autosuspend(ddev->dev);
1758 return snprintf(buf, PAGE_SIZE, "%llu %llu %i\n",
1759 count0, count1, pcie_get_mps(adev->pdev));
1763 * DOC: unique_id
1765 * The amdgpu driver provides a sysfs API for providing a unique ID for the GPU
1766 * The file unique_id is used for this.
1767 * This will provide a Unique ID that will persist from machine to machine
1769 * NOTE: This will only work for GFX9 and newer. This file will be absent
1770 * on unsupported ASICs (GFX8 and older)
1772 static ssize_t amdgpu_get_unique_id(struct device *dev,
1773 struct device_attribute *attr,
1774 char *buf)
1776 struct drm_device *ddev = dev_get_drvdata(dev);
1777 struct amdgpu_device *adev = ddev->dev_private;
1779 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1780 return 0;
1782 if (adev->unique_id)
1783 return snprintf(buf, PAGE_SIZE, "%016llx\n", adev->unique_id);
1785 return 0;
1788 static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state);
1789 static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR,
1790 amdgpu_get_dpm_forced_performance_level,
1791 amdgpu_set_dpm_forced_performance_level);
1792 static DEVICE_ATTR(pp_num_states, S_IRUGO, amdgpu_get_pp_num_states, NULL);
1793 static DEVICE_ATTR(pp_cur_state, S_IRUGO, amdgpu_get_pp_cur_state, NULL);
1794 static DEVICE_ATTR(pp_force_state, S_IRUGO | S_IWUSR,
1795 amdgpu_get_pp_force_state,
1796 amdgpu_set_pp_force_state);
1797 static DEVICE_ATTR(pp_table, S_IRUGO | S_IWUSR,
1798 amdgpu_get_pp_table,
1799 amdgpu_set_pp_table);
1800 static DEVICE_ATTR(pp_dpm_sclk, S_IRUGO | S_IWUSR,
1801 amdgpu_get_pp_dpm_sclk,
1802 amdgpu_set_pp_dpm_sclk);
1803 static DEVICE_ATTR(pp_dpm_mclk, S_IRUGO | S_IWUSR,
1804 amdgpu_get_pp_dpm_mclk,
1805 amdgpu_set_pp_dpm_mclk);
1806 static DEVICE_ATTR(pp_dpm_socclk, S_IRUGO | S_IWUSR,
1807 amdgpu_get_pp_dpm_socclk,
1808 amdgpu_set_pp_dpm_socclk);
1809 static DEVICE_ATTR(pp_dpm_fclk, S_IRUGO | S_IWUSR,
1810 amdgpu_get_pp_dpm_fclk,
1811 amdgpu_set_pp_dpm_fclk);
1812 static DEVICE_ATTR(pp_dpm_dcefclk, S_IRUGO | S_IWUSR,
1813 amdgpu_get_pp_dpm_dcefclk,
1814 amdgpu_set_pp_dpm_dcefclk);
1815 static DEVICE_ATTR(pp_dpm_pcie, S_IRUGO | S_IWUSR,
1816 amdgpu_get_pp_dpm_pcie,
1817 amdgpu_set_pp_dpm_pcie);
1818 static DEVICE_ATTR(pp_sclk_od, S_IRUGO | S_IWUSR,
1819 amdgpu_get_pp_sclk_od,
1820 amdgpu_set_pp_sclk_od);
1821 static DEVICE_ATTR(pp_mclk_od, S_IRUGO | S_IWUSR,
1822 amdgpu_get_pp_mclk_od,
1823 amdgpu_set_pp_mclk_od);
1824 static DEVICE_ATTR(pp_power_profile_mode, S_IRUGO | S_IWUSR,
1825 amdgpu_get_pp_power_profile_mode,
1826 amdgpu_set_pp_power_profile_mode);
1827 static DEVICE_ATTR(pp_od_clk_voltage, S_IRUGO | S_IWUSR,
1828 amdgpu_get_pp_od_clk_voltage,
1829 amdgpu_set_pp_od_clk_voltage);
1830 static DEVICE_ATTR(gpu_busy_percent, S_IRUGO,
1831 amdgpu_get_busy_percent, NULL);
1832 static DEVICE_ATTR(mem_busy_percent, S_IRUGO,
1833 amdgpu_get_memory_busy_percent, NULL);
1834 static DEVICE_ATTR(pcie_bw, S_IRUGO, amdgpu_get_pcie_bw, NULL);
1835 static DEVICE_ATTR(pp_features, S_IRUGO | S_IWUSR,
1836 amdgpu_get_pp_feature_status,
1837 amdgpu_set_pp_feature_status);
1838 static DEVICE_ATTR(unique_id, S_IRUGO, amdgpu_get_unique_id, NULL);
1840 static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
1841 struct device_attribute *attr,
1842 char *buf)
1844 struct amdgpu_device *adev = dev_get_drvdata(dev);
1845 int channel = to_sensor_dev_attr(attr)->index;
1846 int r, temp = 0, size = sizeof(temp);
1848 if (channel >= PP_TEMP_MAX)
1849 return -EINVAL;
1851 r = pm_runtime_get_sync(adev->ddev->dev);
1852 if (r < 0)
1853 return r;
1855 switch (channel) {
1856 case PP_TEMP_JUNCTION:
1857 /* get current junction temperature */
1858 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1859 (void *)&temp, &size);
1860 break;
1861 case PP_TEMP_EDGE:
1862 /* get current edge temperature */
1863 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
1864 (void *)&temp, &size);
1865 break;
1866 case PP_TEMP_MEM:
1867 /* get current memory temperature */
1868 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
1869 (void *)&temp, &size);
1870 break;
1871 default:
1872 r = -EINVAL;
1873 break;
1876 pm_runtime_mark_last_busy(adev->ddev->dev);
1877 pm_runtime_put_autosuspend(adev->ddev->dev);
1879 if (r)
1880 return r;
1882 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1885 static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev,
1886 struct device_attribute *attr,
1887 char *buf)
1889 struct amdgpu_device *adev = dev_get_drvdata(dev);
1890 int hyst = to_sensor_dev_attr(attr)->index;
1891 int temp;
1893 if (hyst)
1894 temp = adev->pm.dpm.thermal.min_temp;
1895 else
1896 temp = adev->pm.dpm.thermal.max_temp;
1898 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1901 static ssize_t amdgpu_hwmon_show_hotspot_temp_thresh(struct device *dev,
1902 struct device_attribute *attr,
1903 char *buf)
1905 struct amdgpu_device *adev = dev_get_drvdata(dev);
1906 int hyst = to_sensor_dev_attr(attr)->index;
1907 int temp;
1909 if (hyst)
1910 temp = adev->pm.dpm.thermal.min_hotspot_temp;
1911 else
1912 temp = adev->pm.dpm.thermal.max_hotspot_crit_temp;
1914 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1917 static ssize_t amdgpu_hwmon_show_mem_temp_thresh(struct device *dev,
1918 struct device_attribute *attr,
1919 char *buf)
1921 struct amdgpu_device *adev = dev_get_drvdata(dev);
1922 int hyst = to_sensor_dev_attr(attr)->index;
1923 int temp;
1925 if (hyst)
1926 temp = adev->pm.dpm.thermal.min_mem_temp;
1927 else
1928 temp = adev->pm.dpm.thermal.max_mem_crit_temp;
1930 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1933 static ssize_t amdgpu_hwmon_show_temp_label(struct device *dev,
1934 struct device_attribute *attr,
1935 char *buf)
1937 int channel = to_sensor_dev_attr(attr)->index;
1939 if (channel >= PP_TEMP_MAX)
1940 return -EINVAL;
1942 return snprintf(buf, PAGE_SIZE, "%s\n", temp_label[channel].label);
1945 static ssize_t amdgpu_hwmon_show_temp_emergency(struct device *dev,
1946 struct device_attribute *attr,
1947 char *buf)
1949 struct amdgpu_device *adev = dev_get_drvdata(dev);
1950 int channel = to_sensor_dev_attr(attr)->index;
1951 int temp = 0;
1953 if (channel >= PP_TEMP_MAX)
1954 return -EINVAL;
1956 switch (channel) {
1957 case PP_TEMP_JUNCTION:
1958 temp = adev->pm.dpm.thermal.max_hotspot_emergency_temp;
1959 break;
1960 case PP_TEMP_EDGE:
1961 temp = adev->pm.dpm.thermal.max_edge_emergency_temp;
1962 break;
1963 case PP_TEMP_MEM:
1964 temp = adev->pm.dpm.thermal.max_mem_emergency_temp;
1965 break;
1968 return snprintf(buf, PAGE_SIZE, "%d\n", temp);
1971 static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
1972 struct device_attribute *attr,
1973 char *buf)
1975 struct amdgpu_device *adev = dev_get_drvdata(dev);
1976 u32 pwm_mode = 0;
1977 int ret;
1979 ret = pm_runtime_get_sync(adev->ddev->dev);
1980 if (ret < 0)
1981 return ret;
1983 if (is_support_sw_smu(adev)) {
1984 pwm_mode = smu_get_fan_control_mode(&adev->smu);
1985 } else {
1986 if (!adev->powerplay.pp_funcs->get_fan_control_mode) {
1987 pm_runtime_mark_last_busy(adev->ddev->dev);
1988 pm_runtime_put_autosuspend(adev->ddev->dev);
1989 return -EINVAL;
1992 pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
1995 pm_runtime_mark_last_busy(adev->ddev->dev);
1996 pm_runtime_put_autosuspend(adev->ddev->dev);
1998 return sprintf(buf, "%i\n", pwm_mode);
2001 static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
2002 struct device_attribute *attr,
2003 const char *buf,
2004 size_t count)
2006 struct amdgpu_device *adev = dev_get_drvdata(dev);
2007 int err, ret;
2008 int value;
2010 err = kstrtoint(buf, 10, &value);
2011 if (err)
2012 return err;
2014 ret = pm_runtime_get_sync(adev->ddev->dev);
2015 if (ret < 0)
2016 return ret;
2018 if (is_support_sw_smu(adev)) {
2019 smu_set_fan_control_mode(&adev->smu, value);
2020 } else {
2021 if (!adev->powerplay.pp_funcs->set_fan_control_mode) {
2022 pm_runtime_mark_last_busy(adev->ddev->dev);
2023 pm_runtime_put_autosuspend(adev->ddev->dev);
2024 return -EINVAL;
2027 amdgpu_dpm_set_fan_control_mode(adev, value);
2030 pm_runtime_mark_last_busy(adev->ddev->dev);
2031 pm_runtime_put_autosuspend(adev->ddev->dev);
2033 return count;
2036 static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev,
2037 struct device_attribute *attr,
2038 char *buf)
2040 return sprintf(buf, "%i\n", 0);
2043 static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev,
2044 struct device_attribute *attr,
2045 char *buf)
2047 return sprintf(buf, "%i\n", 255);
2050 static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
2051 struct device_attribute *attr,
2052 const char *buf, size_t count)
2054 struct amdgpu_device *adev = dev_get_drvdata(dev);
2055 int err;
2056 u32 value;
2057 u32 pwm_mode;
2059 err = pm_runtime_get_sync(adev->ddev->dev);
2060 if (err < 0)
2061 return err;
2063 if (is_support_sw_smu(adev))
2064 pwm_mode = smu_get_fan_control_mode(&adev->smu);
2065 else
2066 pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2068 if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2069 pr_info("manual fan speed control should be enabled first\n");
2070 pm_runtime_mark_last_busy(adev->ddev->dev);
2071 pm_runtime_put_autosuspend(adev->ddev->dev);
2072 return -EINVAL;
2075 err = kstrtou32(buf, 10, &value);
2076 if (err) {
2077 pm_runtime_mark_last_busy(adev->ddev->dev);
2078 pm_runtime_put_autosuspend(adev->ddev->dev);
2079 return err;
2082 value = (value * 100) / 255;
2084 if (is_support_sw_smu(adev))
2085 err = smu_set_fan_speed_percent(&adev->smu, value);
2086 else if (adev->powerplay.pp_funcs->set_fan_speed_percent)
2087 err = amdgpu_dpm_set_fan_speed_percent(adev, value);
2088 else
2089 err = -EINVAL;
2091 pm_runtime_mark_last_busy(adev->ddev->dev);
2092 pm_runtime_put_autosuspend(adev->ddev->dev);
2094 if (err)
2095 return err;
2097 return count;
2100 static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
2101 struct device_attribute *attr,
2102 char *buf)
2104 struct amdgpu_device *adev = dev_get_drvdata(dev);
2105 int err;
2106 u32 speed = 0;
2108 err = pm_runtime_get_sync(adev->ddev->dev);
2109 if (err < 0)
2110 return err;
2112 if (is_support_sw_smu(adev))
2113 err = smu_get_fan_speed_percent(&adev->smu, &speed);
2114 else if (adev->powerplay.pp_funcs->get_fan_speed_percent)
2115 err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);
2116 else
2117 err = -EINVAL;
2119 pm_runtime_mark_last_busy(adev->ddev->dev);
2120 pm_runtime_put_autosuspend(adev->ddev->dev);
2122 if (err)
2123 return err;
2125 speed = (speed * 255) / 100;
2127 return sprintf(buf, "%i\n", speed);
2130 static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
2131 struct device_attribute *attr,
2132 char *buf)
2134 struct amdgpu_device *adev = dev_get_drvdata(dev);
2135 int err;
2136 u32 speed = 0;
2138 err = pm_runtime_get_sync(adev->ddev->dev);
2139 if (err < 0)
2140 return err;
2142 if (is_support_sw_smu(adev))
2143 err = smu_get_fan_speed_rpm(&adev->smu, &speed);
2144 else if (adev->powerplay.pp_funcs->get_fan_speed_rpm)
2145 err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed);
2146 else
2147 err = -EINVAL;
2149 pm_runtime_mark_last_busy(adev->ddev->dev);
2150 pm_runtime_put_autosuspend(adev->ddev->dev);
2152 if (err)
2153 return err;
2155 return sprintf(buf, "%i\n", speed);
2158 static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
2159 struct device_attribute *attr,
2160 char *buf)
2162 struct amdgpu_device *adev = dev_get_drvdata(dev);
2163 u32 min_rpm = 0;
2164 u32 size = sizeof(min_rpm);
2165 int r;
2167 r = pm_runtime_get_sync(adev->ddev->dev);
2168 if (r < 0)
2169 return r;
2171 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
2172 (void *)&min_rpm, &size);
2174 pm_runtime_mark_last_busy(adev->ddev->dev);
2175 pm_runtime_put_autosuspend(adev->ddev->dev);
2177 if (r)
2178 return r;
2180 return snprintf(buf, PAGE_SIZE, "%d\n", min_rpm);
2183 static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
2184 struct device_attribute *attr,
2185 char *buf)
2187 struct amdgpu_device *adev = dev_get_drvdata(dev);
2188 u32 max_rpm = 0;
2189 u32 size = sizeof(max_rpm);
2190 int r;
2192 r = pm_runtime_get_sync(adev->ddev->dev);
2193 if (r < 0)
2194 return r;
2196 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
2197 (void *)&max_rpm, &size);
2199 pm_runtime_mark_last_busy(adev->ddev->dev);
2200 pm_runtime_put_autosuspend(adev->ddev->dev);
2202 if (r)
2203 return r;
2205 return snprintf(buf, PAGE_SIZE, "%d\n", max_rpm);
2208 static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
2209 struct device_attribute *attr,
2210 char *buf)
2212 struct amdgpu_device *adev = dev_get_drvdata(dev);
2213 int err;
2214 u32 rpm = 0;
2216 err = pm_runtime_get_sync(adev->ddev->dev);
2217 if (err < 0)
2218 return err;
2220 if (is_support_sw_smu(adev))
2221 err = smu_get_fan_speed_rpm(&adev->smu, &rpm);
2222 else if (adev->powerplay.pp_funcs->get_fan_speed_rpm)
2223 err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
2224 else
2225 err = -EINVAL;
2227 pm_runtime_mark_last_busy(adev->ddev->dev);
2228 pm_runtime_put_autosuspend(adev->ddev->dev);
2230 if (err)
2231 return err;
2233 return sprintf(buf, "%i\n", rpm);
2236 static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
2237 struct device_attribute *attr,
2238 const char *buf, size_t count)
2240 struct amdgpu_device *adev = dev_get_drvdata(dev);
2241 int err;
2242 u32 value;
2243 u32 pwm_mode;
2245 err = pm_runtime_get_sync(adev->ddev->dev);
2246 if (err < 0)
2247 return err;
2249 if (is_support_sw_smu(adev))
2250 pwm_mode = smu_get_fan_control_mode(&adev->smu);
2251 else
2252 pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2254 if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
2255 pm_runtime_mark_last_busy(adev->ddev->dev);
2256 pm_runtime_put_autosuspend(adev->ddev->dev);
2257 return -ENODATA;
2260 err = kstrtou32(buf, 10, &value);
2261 if (err) {
2262 pm_runtime_mark_last_busy(adev->ddev->dev);
2263 pm_runtime_put_autosuspend(adev->ddev->dev);
2264 return err;
2267 if (is_support_sw_smu(adev))
2268 err = smu_set_fan_speed_rpm(&adev->smu, value);
2269 else if (adev->powerplay.pp_funcs->set_fan_speed_rpm)
2270 err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
2271 else
2272 err = -EINVAL;
2274 pm_runtime_mark_last_busy(adev->ddev->dev);
2275 pm_runtime_put_autosuspend(adev->ddev->dev);
2277 if (err)
2278 return err;
2280 return count;
2283 static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
2284 struct device_attribute *attr,
2285 char *buf)
2287 struct amdgpu_device *adev = dev_get_drvdata(dev);
2288 u32 pwm_mode = 0;
2289 int ret;
2291 ret = pm_runtime_get_sync(adev->ddev->dev);
2292 if (ret < 0)
2293 return ret;
2295 if (is_support_sw_smu(adev)) {
2296 pwm_mode = smu_get_fan_control_mode(&adev->smu);
2297 } else {
2298 if (!adev->powerplay.pp_funcs->get_fan_control_mode) {
2299 pm_runtime_mark_last_busy(adev->ddev->dev);
2300 pm_runtime_put_autosuspend(adev->ddev->dev);
2301 return -EINVAL;
2304 pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
2307 pm_runtime_mark_last_busy(adev->ddev->dev);
2308 pm_runtime_put_autosuspend(adev->ddev->dev);
2310 return sprintf(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
2313 static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
2314 struct device_attribute *attr,
2315 const char *buf,
2316 size_t count)
2318 struct amdgpu_device *adev = dev_get_drvdata(dev);
2319 int err;
2320 int value;
2321 u32 pwm_mode;
2323 err = kstrtoint(buf, 10, &value);
2324 if (err)
2325 return err;
2327 if (value == 0)
2328 pwm_mode = AMD_FAN_CTRL_AUTO;
2329 else if (value == 1)
2330 pwm_mode = AMD_FAN_CTRL_MANUAL;
2331 else
2332 return -EINVAL;
2334 err = pm_runtime_get_sync(adev->ddev->dev);
2335 if (err < 0)
2336 return err;
2338 if (is_support_sw_smu(adev)) {
2339 smu_set_fan_control_mode(&adev->smu, pwm_mode);
2340 } else {
2341 if (!adev->powerplay.pp_funcs->set_fan_control_mode) {
2342 pm_runtime_mark_last_busy(adev->ddev->dev);
2343 pm_runtime_put_autosuspend(adev->ddev->dev);
2344 return -EINVAL;
2346 amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
2349 pm_runtime_mark_last_busy(adev->ddev->dev);
2350 pm_runtime_put_autosuspend(adev->ddev->dev);
2352 return count;
2355 static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
2356 struct device_attribute *attr,
2357 char *buf)
2359 struct amdgpu_device *adev = dev_get_drvdata(dev);
2360 u32 vddgfx;
2361 int r, size = sizeof(vddgfx);
2363 r = pm_runtime_get_sync(adev->ddev->dev);
2364 if (r < 0)
2365 return r;
2367 /* get the voltage */
2368 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX,
2369 (void *)&vddgfx, &size);
2371 pm_runtime_mark_last_busy(adev->ddev->dev);
2372 pm_runtime_put_autosuspend(adev->ddev->dev);
2374 if (r)
2375 return r;
2377 return snprintf(buf, PAGE_SIZE, "%d\n", vddgfx);
2380 static ssize_t amdgpu_hwmon_show_vddgfx_label(struct device *dev,
2381 struct device_attribute *attr,
2382 char *buf)
2384 return snprintf(buf, PAGE_SIZE, "vddgfx\n");
2387 static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
2388 struct device_attribute *attr,
2389 char *buf)
2391 struct amdgpu_device *adev = dev_get_drvdata(dev);
2392 u32 vddnb;
2393 int r, size = sizeof(vddnb);
2395 /* only APUs have vddnb */
2396 if (!(adev->flags & AMD_IS_APU))
2397 return -EINVAL;
2399 r = pm_runtime_get_sync(adev->ddev->dev);
2400 if (r < 0)
2401 return r;
2403 /* get the voltage */
2404 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB,
2405 (void *)&vddnb, &size);
2407 pm_runtime_mark_last_busy(adev->ddev->dev);
2408 pm_runtime_put_autosuspend(adev->ddev->dev);
2410 if (r)
2411 return r;
2413 return snprintf(buf, PAGE_SIZE, "%d\n", vddnb);
2416 static ssize_t amdgpu_hwmon_show_vddnb_label(struct device *dev,
2417 struct device_attribute *attr,
2418 char *buf)
2420 return snprintf(buf, PAGE_SIZE, "vddnb\n");
2423 static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
2424 struct device_attribute *attr,
2425 char *buf)
2427 struct amdgpu_device *adev = dev_get_drvdata(dev);
2428 u32 query = 0;
2429 int r, size = sizeof(u32);
2430 unsigned uw;
2432 r = pm_runtime_get_sync(adev->ddev->dev);
2433 if (r < 0)
2434 return r;
2436 /* get the voltage */
2437 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER,
2438 (void *)&query, &size);
2440 pm_runtime_mark_last_busy(adev->ddev->dev);
2441 pm_runtime_put_autosuspend(adev->ddev->dev);
2443 if (r)
2444 return r;
2446 /* convert to microwatts */
2447 uw = (query >> 8) * 1000000 + (query & 0xff) * 1000;
2449 return snprintf(buf, PAGE_SIZE, "%u\n", uw);
2452 static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev,
2453 struct device_attribute *attr,
2454 char *buf)
2456 return sprintf(buf, "%i\n", 0);
2459 static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev,
2460 struct device_attribute *attr,
2461 char *buf)
2463 struct amdgpu_device *adev = dev_get_drvdata(dev);
2464 uint32_t limit = 0;
2465 ssize_t size;
2466 int r;
2468 r = pm_runtime_get_sync(adev->ddev->dev);
2469 if (r < 0)
2470 return r;
2472 if (is_support_sw_smu(adev)) {
2473 smu_get_power_limit(&adev->smu, &limit, true, true);
2474 size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
2475 } else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_power_limit) {
2476 adev->powerplay.pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, true);
2477 size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
2478 } else {
2479 size = snprintf(buf, PAGE_SIZE, "\n");
2482 pm_runtime_mark_last_busy(adev->ddev->dev);
2483 pm_runtime_put_autosuspend(adev->ddev->dev);
2485 return size;
2488 static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev,
2489 struct device_attribute *attr,
2490 char *buf)
2492 struct amdgpu_device *adev = dev_get_drvdata(dev);
2493 uint32_t limit = 0;
2494 ssize_t size;
2495 int r;
2497 r = pm_runtime_get_sync(adev->ddev->dev);
2498 if (r < 0)
2499 return r;
2501 if (is_support_sw_smu(adev)) {
2502 smu_get_power_limit(&adev->smu, &limit, false, true);
2503 size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
2504 } else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_power_limit) {
2505 adev->powerplay.pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, false);
2506 size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
2507 } else {
2508 size = snprintf(buf, PAGE_SIZE, "\n");
2511 pm_runtime_mark_last_busy(adev->ddev->dev);
2512 pm_runtime_put_autosuspend(adev->ddev->dev);
2514 return size;
2518 static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
2519 struct device_attribute *attr,
2520 const char *buf,
2521 size_t count)
2523 struct amdgpu_device *adev = dev_get_drvdata(dev);
2524 int err;
2525 u32 value;
2527 if (amdgpu_sriov_vf(adev))
2528 return -EINVAL;
2530 err = kstrtou32(buf, 10, &value);
2531 if (err)
2532 return err;
2534 value = value / 1000000; /* convert to Watt */
2537 err = pm_runtime_get_sync(adev->ddev->dev);
2538 if (err < 0)
2539 return err;
2541 if (is_support_sw_smu(adev))
2542 err = smu_set_power_limit(&adev->smu, value);
2543 else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_power_limit)
2544 err = adev->powerplay.pp_funcs->set_power_limit(adev->powerplay.pp_handle, value);
2545 else
2546 err = -EINVAL;
2548 pm_runtime_mark_last_busy(adev->ddev->dev);
2549 pm_runtime_put_autosuspend(adev->ddev->dev);
2551 if (err)
2552 return err;
2554 return count;
2557 static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
2558 struct device_attribute *attr,
2559 char *buf)
2561 struct amdgpu_device *adev = dev_get_drvdata(dev);
2562 uint32_t sclk;
2563 int r, size = sizeof(sclk);
2565 r = pm_runtime_get_sync(adev->ddev->dev);
2566 if (r < 0)
2567 return r;
2569 /* get the sclk */
2570 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
2571 (void *)&sclk, &size);
2573 pm_runtime_mark_last_busy(adev->ddev->dev);
2574 pm_runtime_put_autosuspend(adev->ddev->dev);
2576 if (r)
2577 return r;
2579 return snprintf(buf, PAGE_SIZE, "%d\n", sclk * 10 * 1000);
2582 static ssize_t amdgpu_hwmon_show_sclk_label(struct device *dev,
2583 struct device_attribute *attr,
2584 char *buf)
2586 return snprintf(buf, PAGE_SIZE, "sclk\n");
2589 static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
2590 struct device_attribute *attr,
2591 char *buf)
2593 struct amdgpu_device *adev = dev_get_drvdata(dev);
2594 uint32_t mclk;
2595 int r, size = sizeof(mclk);
2597 r = pm_runtime_get_sync(adev->ddev->dev);
2598 if (r < 0)
2599 return r;
2601 /* get the sclk */
2602 r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
2603 (void *)&mclk, &size);
2605 pm_runtime_mark_last_busy(adev->ddev->dev);
2606 pm_runtime_put_autosuspend(adev->ddev->dev);
2608 if (r)
2609 return r;
2611 return snprintf(buf, PAGE_SIZE, "%d\n", mclk * 10 * 1000);
2614 static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
2615 struct device_attribute *attr,
2616 char *buf)
2618 return snprintf(buf, PAGE_SIZE, "mclk\n");
2622 * DOC: hwmon
2624 * The amdgpu driver exposes the following sensor interfaces:
2626 * - GPU temperature (via the on-die sensor)
2628 * - GPU voltage
2630 * - Northbridge voltage (APUs only)
2632 * - GPU power
2634 * - GPU fan
2636 * - GPU gfx/compute engine clock
2638 * - GPU memory clock (dGPU only)
2640 * hwmon interfaces for GPU temperature:
2642 * - temp[1-3]_input: the on die GPU temperature in millidegrees Celsius
2643 * - temp2_input and temp3_input are supported on SOC15 dGPUs only
2645 * - temp[1-3]_label: temperature channel label
2646 * - temp2_label and temp3_label are supported on SOC15 dGPUs only
2648 * - temp[1-3]_crit: temperature critical max value in millidegrees Celsius
2649 * - temp2_crit and temp3_crit are supported on SOC15 dGPUs only
2651 * - temp[1-3]_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius
2652 * - temp2_crit_hyst and temp3_crit_hyst are supported on SOC15 dGPUs only
2654 * - temp[1-3]_emergency: temperature emergency max value(asic shutdown) in millidegrees Celsius
2655 * - these are supported on SOC15 dGPUs only
2657 * hwmon interfaces for GPU voltage:
2659 * - in0_input: the voltage on the GPU in millivolts
2661 * - in1_input: the voltage on the Northbridge in millivolts
2663 * hwmon interfaces for GPU power:
2665 * - power1_average: average power used by the GPU in microWatts
2667 * - power1_cap_min: minimum cap supported in microWatts
2669 * - power1_cap_max: maximum cap supported in microWatts
2671 * - power1_cap: selected power cap in microWatts
2673 * hwmon interfaces for GPU fan:
2675 * - pwm1: pulse width modulation fan level (0-255)
2677 * - 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)
2679 * - pwm1_min: pulse width modulation fan control minimum level (0)
2681 * - pwm1_max: pulse width modulation fan control maximum level (255)
2683 * - fan1_min: an minimum value Unit: revolution/min (RPM)
2685 * - fan1_max: an maxmum value Unit: revolution/max (RPM)
2687 * - fan1_input: fan speed in RPM
2689 * - fan[1-\*]_target: Desired fan speed Unit: revolution/min (RPM)
2691 * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable
2693 * hwmon interfaces for GPU clocks:
2695 * - freq1_input: the gfx/compute clock in hertz
2697 * - freq2_input: the memory clock in hertz
2699 * You can use hwmon tools like sensors to view this information on your system.
2703 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_EDGE);
2704 static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0);
2705 static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1);
2706 static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_EDGE);
2707 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_JUNCTION);
2708 static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 0);
2709 static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 1);
2710 static SENSOR_DEVICE_ATTR(temp2_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_JUNCTION);
2711 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_MEM);
2712 static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 0);
2713 static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 1);
2714 static SENSOR_DEVICE_ATTR(temp3_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_MEM);
2715 static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_EDGE);
2716 static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_JUNCTION);
2717 static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_MEM);
2718 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu_hwmon_set_pwm1, 0);
2719 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0);
2720 static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0);
2721 static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0);
2722 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0);
2723 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, amdgpu_hwmon_get_fan1_min, NULL, 0);
2724 static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, amdgpu_hwmon_get_fan1_max, NULL, 0);
2725 static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_target, amdgpu_hwmon_set_fan1_target, 0);
2726 static SENSOR_DEVICE_ATTR(fan1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_enable, amdgpu_hwmon_set_fan1_enable, 0);
2727 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, amdgpu_hwmon_show_vddgfx, NULL, 0);
2728 static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NULL, 0);
2729 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0);
2730 static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, amdgpu_hwmon_show_vddnb_label, NULL, 0);
2731 static SENSOR_DEVICE_ATTR(power1_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 0);
2732 static SENSOR_DEVICE_ATTR(power1_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 0);
2733 static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 0);
2734 static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0);
2735 static SENSOR_DEVICE_ATTR(freq1_input, S_IRUGO, amdgpu_hwmon_show_sclk, NULL, 0);
2736 static SENSOR_DEVICE_ATTR(freq1_label, S_IRUGO, amdgpu_hwmon_show_sclk_label, NULL, 0);
2737 static SENSOR_DEVICE_ATTR(freq2_input, S_IRUGO, amdgpu_hwmon_show_mclk, NULL, 0);
2738 static SENSOR_DEVICE_ATTR(freq2_label, S_IRUGO, amdgpu_hwmon_show_mclk_label, NULL, 0);
2740 static struct attribute *hwmon_attributes[] = {
2741 &sensor_dev_attr_temp1_input.dev_attr.attr,
2742 &sensor_dev_attr_temp1_crit.dev_attr.attr,
2743 &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
2744 &sensor_dev_attr_temp2_input.dev_attr.attr,
2745 &sensor_dev_attr_temp2_crit.dev_attr.attr,
2746 &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
2747 &sensor_dev_attr_temp3_input.dev_attr.attr,
2748 &sensor_dev_attr_temp3_crit.dev_attr.attr,
2749 &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
2750 &sensor_dev_attr_temp1_emergency.dev_attr.attr,
2751 &sensor_dev_attr_temp2_emergency.dev_attr.attr,
2752 &sensor_dev_attr_temp3_emergency.dev_attr.attr,
2753 &sensor_dev_attr_temp1_label.dev_attr.attr,
2754 &sensor_dev_attr_temp2_label.dev_attr.attr,
2755 &sensor_dev_attr_temp3_label.dev_attr.attr,
2756 &sensor_dev_attr_pwm1.dev_attr.attr,
2757 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2758 &sensor_dev_attr_pwm1_min.dev_attr.attr,
2759 &sensor_dev_attr_pwm1_max.dev_attr.attr,
2760 &sensor_dev_attr_fan1_input.dev_attr.attr,
2761 &sensor_dev_attr_fan1_min.dev_attr.attr,
2762 &sensor_dev_attr_fan1_max.dev_attr.attr,
2763 &sensor_dev_attr_fan1_target.dev_attr.attr,
2764 &sensor_dev_attr_fan1_enable.dev_attr.attr,
2765 &sensor_dev_attr_in0_input.dev_attr.attr,
2766 &sensor_dev_attr_in0_label.dev_attr.attr,
2767 &sensor_dev_attr_in1_input.dev_attr.attr,
2768 &sensor_dev_attr_in1_label.dev_attr.attr,
2769 &sensor_dev_attr_power1_average.dev_attr.attr,
2770 &sensor_dev_attr_power1_cap_max.dev_attr.attr,
2771 &sensor_dev_attr_power1_cap_min.dev_attr.attr,
2772 &sensor_dev_attr_power1_cap.dev_attr.attr,
2773 &sensor_dev_attr_freq1_input.dev_attr.attr,
2774 &sensor_dev_attr_freq1_label.dev_attr.attr,
2775 &sensor_dev_attr_freq2_input.dev_attr.attr,
2776 &sensor_dev_attr_freq2_label.dev_attr.attr,
2777 NULL
2780 static umode_t hwmon_attributes_visible(struct kobject *kobj,
2781 struct attribute *attr, int index)
2783 struct device *dev = kobj_to_dev(kobj);
2784 struct amdgpu_device *adev = dev_get_drvdata(dev);
2785 umode_t effective_mode = attr->mode;
2787 /* under multi-vf mode, the hwmon attributes are all not supported */
2788 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2789 return 0;
2791 /* there is no fan under pp one vf mode */
2792 if (amdgpu_sriov_is_pp_one_vf(adev) &&
2793 (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
2794 attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
2795 attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
2796 attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
2797 attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
2798 attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
2799 attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
2800 attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
2801 attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
2802 return 0;
2804 /* Skip fan attributes if fan is not present */
2805 if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
2806 attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
2807 attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
2808 attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
2809 attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
2810 attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
2811 attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
2812 attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
2813 attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
2814 return 0;
2816 /* Skip fan attributes on APU */
2817 if ((adev->flags & AMD_IS_APU) &&
2818 (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
2819 attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
2820 attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
2821 attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
2822 attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
2823 attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
2824 attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
2825 attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
2826 attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
2827 return 0;
2829 /* Skip limit attributes if DPM is not enabled */
2830 if (!adev->pm.dpm_enabled &&
2831 (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
2832 attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
2833 attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
2834 attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
2835 attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
2836 attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
2837 attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
2838 attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
2839 attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
2840 attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
2841 attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
2842 return 0;
2844 if (!is_support_sw_smu(adev)) {
2845 /* mask fan attributes if we have no bindings for this asic to expose */
2846 if ((!adev->powerplay.pp_funcs->get_fan_speed_percent &&
2847 attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */
2848 (!adev->powerplay.pp_funcs->get_fan_control_mode &&
2849 attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */
2850 effective_mode &= ~S_IRUGO;
2852 if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
2853 attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */
2854 (!adev->powerplay.pp_funcs->set_fan_control_mode &&
2855 attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
2856 effective_mode &= ~S_IWUSR;
2859 if (((adev->flags & AMD_IS_APU) ||
2860 adev->family == AMDGPU_FAMILY_SI || /* not implemented yet */
2861 adev->family == AMDGPU_FAMILY_KV) && /* not implemented yet */
2862 (attr == &sensor_dev_attr_power1_average.dev_attr.attr ||
2863 attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr ||
2864 attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr||
2865 attr == &sensor_dev_attr_power1_cap.dev_attr.attr))
2866 return 0;
2868 if (!is_support_sw_smu(adev)) {
2869 /* hide max/min values if we can't both query and manage the fan */
2870 if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
2871 !adev->powerplay.pp_funcs->get_fan_speed_percent) &&
2872 (!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
2873 !adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
2874 (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
2875 attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
2876 return 0;
2878 if ((!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
2879 !adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
2880 (attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
2881 attr == &sensor_dev_attr_fan1_min.dev_attr.attr))
2882 return 0;
2885 if ((adev->family == AMDGPU_FAMILY_SI || /* not implemented yet */
2886 adev->family == AMDGPU_FAMILY_KV) && /* not implemented yet */
2887 (attr == &sensor_dev_attr_in0_input.dev_attr.attr ||
2888 attr == &sensor_dev_attr_in0_label.dev_attr.attr))
2889 return 0;
2891 /* only APUs have vddnb */
2892 if (!(adev->flags & AMD_IS_APU) &&
2893 (attr == &sensor_dev_attr_in1_input.dev_attr.attr ||
2894 attr == &sensor_dev_attr_in1_label.dev_attr.attr))
2895 return 0;
2897 /* no mclk on APUs */
2898 if ((adev->flags & AMD_IS_APU) &&
2899 (attr == &sensor_dev_attr_freq2_input.dev_attr.attr ||
2900 attr == &sensor_dev_attr_freq2_label.dev_attr.attr))
2901 return 0;
2903 /* only SOC15 dGPUs support hotspot and mem temperatures */
2904 if (((adev->flags & AMD_IS_APU) ||
2905 adev->asic_type < CHIP_VEGA10) &&
2906 (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr ||
2907 attr == &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr ||
2908 attr == &sensor_dev_attr_temp3_crit.dev_attr.attr ||
2909 attr == &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr ||
2910 attr == &sensor_dev_attr_temp1_emergency.dev_attr.attr ||
2911 attr == &sensor_dev_attr_temp2_emergency.dev_attr.attr ||
2912 attr == &sensor_dev_attr_temp3_emergency.dev_attr.attr ||
2913 attr == &sensor_dev_attr_temp2_input.dev_attr.attr ||
2914 attr == &sensor_dev_attr_temp3_input.dev_attr.attr ||
2915 attr == &sensor_dev_attr_temp2_label.dev_attr.attr ||
2916 attr == &sensor_dev_attr_temp3_label.dev_attr.attr))
2917 return 0;
2919 return effective_mode;
2922 static const struct attribute_group hwmon_attrgroup = {
2923 .attrs = hwmon_attributes,
2924 .is_visible = hwmon_attributes_visible,
2927 static const struct attribute_group *hwmon_groups[] = {
2928 &hwmon_attrgroup,
2929 NULL
2932 void amdgpu_dpm_thermal_work_handler(struct work_struct *work)
2934 struct amdgpu_device *adev =
2935 container_of(work, struct amdgpu_device,
2936 pm.dpm.thermal.work);
2937 /* switch to the thermal state */
2938 enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL;
2939 int temp, size = sizeof(temp);
2941 if (!adev->pm.dpm_enabled)
2942 return;
2944 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP,
2945 (void *)&temp, &size)) {
2946 if (temp < adev->pm.dpm.thermal.min_temp)
2947 /* switch back the user state */
2948 dpm_state = adev->pm.dpm.user_state;
2949 } else {
2950 if (adev->pm.dpm.thermal.high_to_low)
2951 /* switch back the user state */
2952 dpm_state = adev->pm.dpm.user_state;
2954 mutex_lock(&adev->pm.mutex);
2955 if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL)
2956 adev->pm.dpm.thermal_active = true;
2957 else
2958 adev->pm.dpm.thermal_active = false;
2959 adev->pm.dpm.state = dpm_state;
2960 mutex_unlock(&adev->pm.mutex);
2962 amdgpu_pm_compute_clocks(adev);
2965 static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev,
2966 enum amd_pm_state_type dpm_state)
2968 int i;
2969 struct amdgpu_ps *ps;
2970 u32 ui_class;
2971 bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ?
2972 true : false;
2974 /* check if the vblank period is too short to adjust the mclk */
2975 if (single_display && adev->powerplay.pp_funcs->vblank_too_short) {
2976 if (amdgpu_dpm_vblank_too_short(adev))
2977 single_display = false;
2980 /* certain older asics have a separare 3D performance state,
2981 * so try that first if the user selected performance
2983 if (dpm_state == POWER_STATE_TYPE_PERFORMANCE)
2984 dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF;
2985 /* balanced states don't exist at the moment */
2986 if (dpm_state == POWER_STATE_TYPE_BALANCED)
2987 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
2989 restart_search:
2990 /* Pick the best power state based on current conditions */
2991 for (i = 0; i < adev->pm.dpm.num_ps; i++) {
2992 ps = &adev->pm.dpm.ps[i];
2993 ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK;
2994 switch (dpm_state) {
2995 /* user states */
2996 case POWER_STATE_TYPE_BATTERY:
2997 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) {
2998 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
2999 if (single_display)
3000 return ps;
3001 } else
3002 return ps;
3004 break;
3005 case POWER_STATE_TYPE_BALANCED:
3006 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) {
3007 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
3008 if (single_display)
3009 return ps;
3010 } else
3011 return ps;
3013 break;
3014 case POWER_STATE_TYPE_PERFORMANCE:
3015 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
3016 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
3017 if (single_display)
3018 return ps;
3019 } else
3020 return ps;
3022 break;
3023 /* internal states */
3024 case POWER_STATE_TYPE_INTERNAL_UVD:
3025 if (adev->pm.dpm.uvd_ps)
3026 return adev->pm.dpm.uvd_ps;
3027 else
3028 break;
3029 case POWER_STATE_TYPE_INTERNAL_UVD_SD:
3030 if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
3031 return ps;
3032 break;
3033 case POWER_STATE_TYPE_INTERNAL_UVD_HD:
3034 if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
3035 return ps;
3036 break;
3037 case POWER_STATE_TYPE_INTERNAL_UVD_HD2:
3038 if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
3039 return ps;
3040 break;
3041 case POWER_STATE_TYPE_INTERNAL_UVD_MVC:
3042 if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
3043 return ps;
3044 break;
3045 case POWER_STATE_TYPE_INTERNAL_BOOT:
3046 return adev->pm.dpm.boot_ps;
3047 case POWER_STATE_TYPE_INTERNAL_THERMAL:
3048 if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
3049 return ps;
3050 break;
3051 case POWER_STATE_TYPE_INTERNAL_ACPI:
3052 if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI)
3053 return ps;
3054 break;
3055 case POWER_STATE_TYPE_INTERNAL_ULV:
3056 if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
3057 return ps;
3058 break;
3059 case POWER_STATE_TYPE_INTERNAL_3DPERF:
3060 if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
3061 return ps;
3062 break;
3063 default:
3064 break;
3067 /* use a fallback state if we didn't match */
3068 switch (dpm_state) {
3069 case POWER_STATE_TYPE_INTERNAL_UVD_SD:
3070 dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD;
3071 goto restart_search;
3072 case POWER_STATE_TYPE_INTERNAL_UVD_HD:
3073 case POWER_STATE_TYPE_INTERNAL_UVD_HD2:
3074 case POWER_STATE_TYPE_INTERNAL_UVD_MVC:
3075 if (adev->pm.dpm.uvd_ps) {
3076 return adev->pm.dpm.uvd_ps;
3077 } else {
3078 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
3079 goto restart_search;
3081 case POWER_STATE_TYPE_INTERNAL_THERMAL:
3082 dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI;
3083 goto restart_search;
3084 case POWER_STATE_TYPE_INTERNAL_ACPI:
3085 dpm_state = POWER_STATE_TYPE_BATTERY;
3086 goto restart_search;
3087 case POWER_STATE_TYPE_BATTERY:
3088 case POWER_STATE_TYPE_BALANCED:
3089 case POWER_STATE_TYPE_INTERNAL_3DPERF:
3090 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
3091 goto restart_search;
3092 default:
3093 break;
3096 return NULL;
3099 static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)
3101 struct amdgpu_ps *ps;
3102 enum amd_pm_state_type dpm_state;
3103 int ret;
3104 bool equal = false;
3106 /* if dpm init failed */
3107 if (!adev->pm.dpm_enabled)
3108 return;
3110 if (adev->pm.dpm.user_state != adev->pm.dpm.state) {
3111 /* add other state override checks here */
3112 if ((!adev->pm.dpm.thermal_active) &&
3113 (!adev->pm.dpm.uvd_active))
3114 adev->pm.dpm.state = adev->pm.dpm.user_state;
3116 dpm_state = adev->pm.dpm.state;
3118 ps = amdgpu_dpm_pick_power_state(adev, dpm_state);
3119 if (ps)
3120 adev->pm.dpm.requested_ps = ps;
3121 else
3122 return;
3124 if (amdgpu_dpm == 1 && adev->powerplay.pp_funcs->print_power_state) {
3125 printk("switching from power state:\n");
3126 amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps);
3127 printk("switching to power state:\n");
3128 amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps);
3131 /* update whether vce is active */
3132 ps->vce_active = adev->pm.dpm.vce_active;
3133 if (adev->powerplay.pp_funcs->display_configuration_changed)
3134 amdgpu_dpm_display_configuration_changed(adev);
3136 ret = amdgpu_dpm_pre_set_power_state(adev);
3137 if (ret)
3138 return;
3140 if (adev->powerplay.pp_funcs->check_state_equal) {
3141 if (0 != amdgpu_dpm_check_state_equal(adev, adev->pm.dpm.current_ps, adev->pm.dpm.requested_ps, &equal))
3142 equal = false;
3145 if (equal)
3146 return;
3148 amdgpu_dpm_set_power_state(adev);
3149 amdgpu_dpm_post_set_power_state(adev);
3151 adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;
3152 adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;
3154 if (adev->powerplay.pp_funcs->force_performance_level) {
3155 if (adev->pm.dpm.thermal_active) {
3156 enum amd_dpm_forced_level level = adev->pm.dpm.forced_level;
3157 /* force low perf level for thermal */
3158 amdgpu_dpm_force_performance_level(adev, AMD_DPM_FORCED_LEVEL_LOW);
3159 /* save the user's level */
3160 adev->pm.dpm.forced_level = level;
3161 } else {
3162 /* otherwise, user selected level */
3163 amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level);
3168 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
3170 int ret = 0;
3172 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable);
3173 if (ret)
3174 DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
3175 enable ? "enable" : "disable", ret);
3177 /* enable/disable Low Memory PState for UVD (4k videos) */
3178 if (adev->asic_type == CHIP_STONEY &&
3179 adev->uvd.decode_image_width >= WIDTH_4K) {
3180 struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
3182 if (hwmgr && hwmgr->hwmgr_func &&
3183 hwmgr->hwmgr_func->update_nbdpm_pstate)
3184 hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr,
3185 !enable,
3186 true);
3190 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
3192 int ret = 0;
3194 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable);
3195 if (ret)
3196 DRM_ERROR("Dpm %s vce failed, ret = %d. \n",
3197 enable ? "enable" : "disable", ret);
3200 void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
3202 int i;
3204 if (adev->powerplay.pp_funcs->print_power_state == NULL)
3205 return;
3207 for (i = 0; i < adev->pm.dpm.num_ps; i++)
3208 amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]);
3212 void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable)
3214 int ret = 0;
3216 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable);
3217 if (ret)
3218 DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n",
3219 enable ? "enable" : "disable", ret);
3222 int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version)
3224 int r;
3226 if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) {
3227 r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
3228 if (r) {
3229 pr_err("smu firmware loading failed\n");
3230 return r;
3232 *smu_version = adev->pm.fw_version;
3234 return 0;
3237 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
3239 struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
3240 int ret;
3242 if (adev->pm.sysfs_initialized)
3243 return 0;
3245 if (adev->pm.dpm_enabled == 0)
3246 return 0;
3248 adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
3249 DRIVER_NAME, adev,
3250 hwmon_groups);
3251 if (IS_ERR(adev->pm.int_hwmon_dev)) {
3252 ret = PTR_ERR(adev->pm.int_hwmon_dev);
3253 dev_err(adev->dev,
3254 "Unable to register hwmon device: %d\n", ret);
3255 return ret;
3258 ret = device_create_file(adev->dev, &dev_attr_power_dpm_state);
3259 if (ret) {
3260 DRM_ERROR("failed to create device file for dpm state\n");
3261 return ret;
3263 ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
3264 if (ret) {
3265 DRM_ERROR("failed to create device file for dpm state\n");
3266 return ret;
3270 ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
3271 if (ret) {
3272 DRM_ERROR("failed to create device file pp_num_states\n");
3273 return ret;
3275 ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
3276 if (ret) {
3277 DRM_ERROR("failed to create device file pp_cur_state\n");
3278 return ret;
3280 ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
3281 if (ret) {
3282 DRM_ERROR("failed to create device file pp_force_state\n");
3283 return ret;
3285 ret = device_create_file(adev->dev, &dev_attr_pp_table);
3286 if (ret) {
3287 DRM_ERROR("failed to create device file pp_table\n");
3288 return ret;
3291 ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
3292 if (ret) {
3293 DRM_ERROR("failed to create device file pp_dpm_sclk\n");
3294 return ret;
3297 /* Arcturus does not support standalone mclk/socclk/fclk level setting */
3298 if (adev->asic_type == CHIP_ARCTURUS) {
3299 dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
3300 dev_attr_pp_dpm_mclk.store = NULL;
3302 dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
3303 dev_attr_pp_dpm_socclk.store = NULL;
3305 dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
3306 dev_attr_pp_dpm_fclk.store = NULL;
3309 ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
3310 if (ret) {
3311 DRM_ERROR("failed to create device file pp_dpm_mclk\n");
3312 return ret;
3314 if (adev->asic_type >= CHIP_VEGA10) {
3315 ret = device_create_file(adev->dev, &dev_attr_pp_dpm_socclk);
3316 if (ret) {
3317 DRM_ERROR("failed to create device file pp_dpm_socclk\n");
3318 return ret;
3320 if (adev->asic_type != CHIP_ARCTURUS) {
3321 ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
3322 if (ret) {
3323 DRM_ERROR("failed to create device file pp_dpm_dcefclk\n");
3324 return ret;
3328 if (adev->asic_type >= CHIP_VEGA20) {
3329 ret = device_create_file(adev->dev, &dev_attr_pp_dpm_fclk);
3330 if (ret) {
3331 DRM_ERROR("failed to create device file pp_dpm_fclk\n");
3332 return ret;
3335 if (adev->asic_type != CHIP_ARCTURUS) {
3336 ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie);
3337 if (ret) {
3338 DRM_ERROR("failed to create device file pp_dpm_pcie\n");
3339 return ret;
3342 ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
3343 if (ret) {
3344 DRM_ERROR("failed to create device file pp_sclk_od\n");
3345 return ret;
3347 ret = device_create_file(adev->dev, &dev_attr_pp_mclk_od);
3348 if (ret) {
3349 DRM_ERROR("failed to create device file pp_mclk_od\n");
3350 return ret;
3352 ret = device_create_file(adev->dev,
3353 &dev_attr_pp_power_profile_mode);
3354 if (ret) {
3355 DRM_ERROR("failed to create device file "
3356 "pp_power_profile_mode\n");
3357 return ret;
3359 if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
3360 (!is_support_sw_smu(adev) && hwmgr->od_enabled)) {
3361 ret = device_create_file(adev->dev,
3362 &dev_attr_pp_od_clk_voltage);
3363 if (ret) {
3364 DRM_ERROR("failed to create device file "
3365 "pp_od_clk_voltage\n");
3366 return ret;
3369 ret = device_create_file(adev->dev,
3370 &dev_attr_gpu_busy_percent);
3371 if (ret) {
3372 DRM_ERROR("failed to create device file "
3373 "gpu_busy_level\n");
3374 return ret;
3376 /* APU does not have its own dedicated memory */
3377 if (!(adev->flags & AMD_IS_APU) &&
3378 (adev->asic_type != CHIP_VEGA10)) {
3379 ret = device_create_file(adev->dev,
3380 &dev_attr_mem_busy_percent);
3381 if (ret) {
3382 DRM_ERROR("failed to create device file "
3383 "mem_busy_percent\n");
3384 return ret;
3387 /* PCIe Perf counters won't work on APU nodes */
3388 if (!(adev->flags & AMD_IS_APU)) {
3389 ret = device_create_file(adev->dev, &dev_attr_pcie_bw);
3390 if (ret) {
3391 DRM_ERROR("failed to create device file pcie_bw\n");
3392 return ret;
3395 if (adev->unique_id)
3396 ret = device_create_file(adev->dev, &dev_attr_unique_id);
3397 if (ret) {
3398 DRM_ERROR("failed to create device file unique_id\n");
3399 return ret;
3401 ret = amdgpu_debugfs_pm_init(adev);
3402 if (ret) {
3403 DRM_ERROR("Failed to register debugfs file for dpm!\n");
3404 return ret;
3407 if ((adev->asic_type >= CHIP_VEGA10) &&
3408 !(adev->flags & AMD_IS_APU)) {
3409 ret = device_create_file(adev->dev,
3410 &dev_attr_pp_features);
3411 if (ret) {
3412 DRM_ERROR("failed to create device file "
3413 "pp_features\n");
3414 return ret;
3418 adev->pm.sysfs_initialized = true;
3420 return 0;
3423 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
3425 struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
3427 if (adev->pm.dpm_enabled == 0)
3428 return;
3430 if (adev->pm.int_hwmon_dev)
3431 hwmon_device_unregister(adev->pm.int_hwmon_dev);
3432 device_remove_file(adev->dev, &dev_attr_power_dpm_state);
3433 device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
3435 device_remove_file(adev->dev, &dev_attr_pp_num_states);
3436 device_remove_file(adev->dev, &dev_attr_pp_cur_state);
3437 device_remove_file(adev->dev, &dev_attr_pp_force_state);
3438 device_remove_file(adev->dev, &dev_attr_pp_table);
3440 device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk);
3441 device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
3442 if (adev->asic_type >= CHIP_VEGA10) {
3443 device_remove_file(adev->dev, &dev_attr_pp_dpm_socclk);
3444 if (adev->asic_type != CHIP_ARCTURUS)
3445 device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
3447 if (adev->asic_type != CHIP_ARCTURUS)
3448 device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
3449 if (adev->asic_type >= CHIP_VEGA20)
3450 device_remove_file(adev->dev, &dev_attr_pp_dpm_fclk);
3451 device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
3452 device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
3453 device_remove_file(adev->dev,
3454 &dev_attr_pp_power_profile_mode);
3455 if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
3456 (!is_support_sw_smu(adev) && hwmgr->od_enabled))
3457 device_remove_file(adev->dev,
3458 &dev_attr_pp_od_clk_voltage);
3459 device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
3460 if (!(adev->flags & AMD_IS_APU) &&
3461 (adev->asic_type != CHIP_VEGA10))
3462 device_remove_file(adev->dev, &dev_attr_mem_busy_percent);
3463 if (!(adev->flags & AMD_IS_APU))
3464 device_remove_file(adev->dev, &dev_attr_pcie_bw);
3465 if (adev->unique_id)
3466 device_remove_file(adev->dev, &dev_attr_unique_id);
3467 if ((adev->asic_type >= CHIP_VEGA10) &&
3468 !(adev->flags & AMD_IS_APU))
3469 device_remove_file(adev->dev, &dev_attr_pp_features);
3472 void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
3474 int i = 0;
3476 if (!adev->pm.dpm_enabled)
3477 return;
3479 if (adev->mode_info.num_crtc)
3480 amdgpu_display_bandwidth_update(adev);
3482 for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
3483 struct amdgpu_ring *ring = adev->rings[i];
3484 if (ring && ring->sched.ready)
3485 amdgpu_fence_wait_empty(ring);
3488 if (is_support_sw_smu(adev)) {
3489 struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm;
3490 smu_handle_task(&adev->smu,
3491 smu_dpm->dpm_level,
3492 AMD_PP_TASK_DISPLAY_CONFIG_CHANGE,
3493 true);
3494 } else {
3495 if (adev->powerplay.pp_funcs->dispatch_tasks) {
3496 if (!amdgpu_device_has_dc_support(adev)) {
3497 mutex_lock(&adev->pm.mutex);
3498 amdgpu_dpm_get_active_displays(adev);
3499 adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count;
3500 adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev);
3501 adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev);
3502 /* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */
3503 if (adev->pm.pm_display_cfg.vrefresh > 120)
3504 adev->pm.pm_display_cfg.min_vblank_time = 0;
3505 if (adev->powerplay.pp_funcs->display_configuration_change)
3506 adev->powerplay.pp_funcs->display_configuration_change(
3507 adev->powerplay.pp_handle,
3508 &adev->pm.pm_display_cfg);
3509 mutex_unlock(&adev->pm.mutex);
3511 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL);
3512 } else {
3513 mutex_lock(&adev->pm.mutex);
3514 amdgpu_dpm_get_active_displays(adev);
3515 amdgpu_dpm_change_power_state_locked(adev);
3516 mutex_unlock(&adev->pm.mutex);
3522 * Debugfs info
3524 #if defined(CONFIG_DEBUG_FS)
3526 static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
3528 uint32_t value;
3529 uint64_t value64;
3530 uint32_t query = 0;
3531 int size;
3533 /* GPU Clocks */
3534 size = sizeof(value);
3535 seq_printf(m, "GFX Clocks and Power:\n");
3536 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size))
3537 seq_printf(m, "\t%u MHz (MCLK)\n", value/100);
3538 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size))
3539 seq_printf(m, "\t%u MHz (SCLK)\n", value/100);
3540 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&value, &size))
3541 seq_printf(m, "\t%u MHz (PSTATE_SCLK)\n", value/100);
3542 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&value, &size))
3543 seq_printf(m, "\t%u MHz (PSTATE_MCLK)\n", value/100);
3544 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size))
3545 seq_printf(m, "\t%u mV (VDDGFX)\n", value);
3546 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size))
3547 seq_printf(m, "\t%u mV (VDDNB)\n", value);
3548 size = sizeof(uint32_t);
3549 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size))
3550 seq_printf(m, "\t%u.%u W (average GPU)\n", query >> 8, query & 0xff);
3551 size = sizeof(value);
3552 seq_printf(m, "\n");
3554 /* GPU Temp */
3555 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&value, &size))
3556 seq_printf(m, "GPU Temperature: %u C\n", value/1000);
3558 /* GPU Load */
3559 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size))
3560 seq_printf(m, "GPU Load: %u %%\n", value);
3561 /* MEM Load */
3562 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, (void *)&value, &size))
3563 seq_printf(m, "MEM Load: %u %%\n", value);
3565 seq_printf(m, "\n");
3567 /* SMC feature mask */
3568 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
3569 seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);
3571 if (adev->asic_type > CHIP_VEGA20) {
3572 /* VCN clocks */
3573 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) {
3574 if (!value) {
3575 seq_printf(m, "VCN: Disabled\n");
3576 } else {
3577 seq_printf(m, "VCN: Enabled\n");
3578 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3579 seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3580 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3581 seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3584 seq_printf(m, "\n");
3585 } else {
3586 /* UVD clocks */
3587 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
3588 if (!value) {
3589 seq_printf(m, "UVD: Disabled\n");
3590 } else {
3591 seq_printf(m, "UVD: Enabled\n");
3592 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
3593 seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
3594 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
3595 seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
3598 seq_printf(m, "\n");
3600 /* VCE clocks */
3601 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) {
3602 if (!value) {
3603 seq_printf(m, "VCE: Disabled\n");
3604 } else {
3605 seq_printf(m, "VCE: Enabled\n");
3606 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size))
3607 seq_printf(m, "\t%u MHz (ECCLK)\n", value/100);
3612 return 0;
3615 static void amdgpu_parse_cg_state(struct seq_file *m, u32 flags)
3617 int i;
3619 for (i = 0; clocks[i].flag; i++)
3620 seq_printf(m, "\t%s: %s\n", clocks[i].name,
3621 (flags & clocks[i].flag) ? "On" : "Off");
3624 static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
3626 struct drm_info_node *node = (struct drm_info_node *) m->private;
3627 struct drm_device *dev = node->minor->dev;
3628 struct amdgpu_device *adev = dev->dev_private;
3629 u32 flags = 0;
3630 int r;
3632 r = pm_runtime_get_sync(dev->dev);
3633 if (r < 0)
3634 return r;
3636 amdgpu_device_ip_get_clockgating_state(adev, &flags);
3637 seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags);
3638 amdgpu_parse_cg_state(m, flags);
3639 seq_printf(m, "\n");
3641 if (!adev->pm.dpm_enabled) {
3642 seq_printf(m, "dpm not enabled\n");
3643 pm_runtime_mark_last_busy(dev->dev);
3644 pm_runtime_put_autosuspend(dev->dev);
3645 return 0;
3648 if (!is_support_sw_smu(adev) &&
3649 adev->powerplay.pp_funcs->debugfs_print_current_performance_level) {
3650 mutex_lock(&adev->pm.mutex);
3651 if (adev->powerplay.pp_funcs->debugfs_print_current_performance_level)
3652 adev->powerplay.pp_funcs->debugfs_print_current_performance_level(adev, m);
3653 else
3654 seq_printf(m, "Debugfs support not implemented for this asic\n");
3655 mutex_unlock(&adev->pm.mutex);
3656 r = 0;
3657 } else {
3658 r = amdgpu_debugfs_pm_info_pp(m, adev);
3661 pm_runtime_mark_last_busy(dev->dev);
3662 pm_runtime_put_autosuspend(dev->dev);
3664 return r;
3667 static const struct drm_info_list amdgpu_pm_info_list[] = {
3668 {"amdgpu_pm_info", amdgpu_debugfs_pm_info, 0, NULL},
3670 #endif
3672 static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev)
3674 #if defined(CONFIG_DEBUG_FS)
3675 return amdgpu_debugfs_add_files(adev, amdgpu_pm_info_list, ARRAY_SIZE(amdgpu_pm_info_list));
3676 #else
3677 return 0;
3678 #endif