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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
26517 views
1
/*
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* Copyright 2011 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
21
*
22
* Authors: Alex Deucher
23
*/
24
25
#include "amdgpu.h"
26
#include "amdgpu_atombios.h"
27
#include "amdgpu_i2c.h"
28
#include "amdgpu_dpm.h"
29
#include "atom.h"
30
#include "amd_pcie.h"
31
#include "amdgpu_display.h"
32
#include "hwmgr.h"
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#include <linux/power_supply.h>
34
#include "amdgpu_smu.h"
35
36
#define amdgpu_dpm_enable_bapm(adev, e) \
37
((adev)->powerplay.pp_funcs->enable_bapm((adev)->powerplay.pp_handle, (e)))
38
39
#define amdgpu_dpm_is_legacy_dpm(adev) ((adev)->powerplay.pp_handle == (adev))
40
41
int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
42
{
43
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
44
int ret = 0;
45
46
if (!pp_funcs->get_sclk)
47
return 0;
48
49
mutex_lock(&adev->pm.mutex);
50
ret = pp_funcs->get_sclk((adev)->powerplay.pp_handle,
51
low);
52
mutex_unlock(&adev->pm.mutex);
53
54
return ret;
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}
56
57
int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low)
58
{
59
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
60
int ret = 0;
61
62
if (!pp_funcs->get_mclk)
63
return 0;
64
65
mutex_lock(&adev->pm.mutex);
66
ret = pp_funcs->get_mclk((adev)->powerplay.pp_handle,
67
low);
68
mutex_unlock(&adev->pm.mutex);
69
70
return ret;
71
}
72
73
int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev,
74
uint32_t block_type,
75
bool gate,
76
int inst)
77
{
78
int ret = 0;
79
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
80
enum ip_power_state pwr_state = gate ? POWER_STATE_OFF : POWER_STATE_ON;
81
bool is_vcn = block_type == AMD_IP_BLOCK_TYPE_VCN;
82
83
if (atomic_read(&adev->pm.pwr_state[block_type]) == pwr_state &&
84
(!is_vcn || adev->vcn.num_vcn_inst == 1)) {
85
dev_dbg(adev->dev, "IP block%d already in the target %s state!",
86
block_type, gate ? "gate" : "ungate");
87
return 0;
88
}
89
90
mutex_lock(&adev->pm.mutex);
91
92
switch (block_type) {
93
case AMD_IP_BLOCK_TYPE_UVD:
94
case AMD_IP_BLOCK_TYPE_VCE:
95
case AMD_IP_BLOCK_TYPE_GFX:
96
case AMD_IP_BLOCK_TYPE_SDMA:
97
case AMD_IP_BLOCK_TYPE_JPEG:
98
case AMD_IP_BLOCK_TYPE_GMC:
99
case AMD_IP_BLOCK_TYPE_ACP:
100
case AMD_IP_BLOCK_TYPE_VPE:
101
case AMD_IP_BLOCK_TYPE_ISP:
102
if (pp_funcs && pp_funcs->set_powergating_by_smu)
103
ret = (pp_funcs->set_powergating_by_smu(
104
(adev)->powerplay.pp_handle, block_type, gate, 0));
105
break;
106
case AMD_IP_BLOCK_TYPE_VCN:
107
if (pp_funcs && pp_funcs->set_powergating_by_smu)
108
ret = (pp_funcs->set_powergating_by_smu(
109
(adev)->powerplay.pp_handle, block_type, gate, inst));
110
break;
111
default:
112
break;
113
}
114
115
if (!ret)
116
atomic_set(&adev->pm.pwr_state[block_type], pwr_state);
117
118
mutex_unlock(&adev->pm.mutex);
119
120
return ret;
121
}
122
123
int amdgpu_dpm_set_gfx_power_up_by_imu(struct amdgpu_device *adev)
124
{
125
struct smu_context *smu = adev->powerplay.pp_handle;
126
int ret = -EOPNOTSUPP;
127
128
mutex_lock(&adev->pm.mutex);
129
ret = smu_set_gfx_power_up_by_imu(smu);
130
mutex_unlock(&adev->pm.mutex);
131
132
msleep(10);
133
134
return ret;
135
}
136
137
int amdgpu_dpm_baco_enter(struct amdgpu_device *adev)
138
{
139
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
140
void *pp_handle = adev->powerplay.pp_handle;
141
int ret = 0;
142
143
if (!pp_funcs || !pp_funcs->set_asic_baco_state)
144
return -ENOENT;
145
146
mutex_lock(&adev->pm.mutex);
147
148
/* enter BACO state */
149
ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
150
151
mutex_unlock(&adev->pm.mutex);
152
153
return ret;
154
}
155
156
int amdgpu_dpm_baco_exit(struct amdgpu_device *adev)
157
{
158
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
159
void *pp_handle = adev->powerplay.pp_handle;
160
int ret = 0;
161
162
if (!pp_funcs || !pp_funcs->set_asic_baco_state)
163
return -ENOENT;
164
165
mutex_lock(&adev->pm.mutex);
166
167
/* exit BACO state */
168
ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
169
170
mutex_unlock(&adev->pm.mutex);
171
172
return ret;
173
}
174
175
int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev,
176
enum pp_mp1_state mp1_state)
177
{
178
int ret = 0;
179
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
180
181
if (mp1_state == PP_MP1_STATE_FLR) {
182
/* VF lost access to SMU */
183
if (amdgpu_sriov_vf(adev))
184
adev->pm.dpm_enabled = false;
185
} else if (pp_funcs && pp_funcs->set_mp1_state) {
186
mutex_lock(&adev->pm.mutex);
187
188
ret = pp_funcs->set_mp1_state(
189
adev->powerplay.pp_handle,
190
mp1_state);
191
192
mutex_unlock(&adev->pm.mutex);
193
}
194
195
return ret;
196
}
197
198
int amdgpu_dpm_notify_rlc_state(struct amdgpu_device *adev, bool en)
199
{
200
int ret = 0;
201
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
202
203
if (pp_funcs && pp_funcs->notify_rlc_state) {
204
mutex_lock(&adev->pm.mutex);
205
206
ret = pp_funcs->notify_rlc_state(
207
adev->powerplay.pp_handle,
208
en);
209
210
mutex_unlock(&adev->pm.mutex);
211
}
212
213
return ret;
214
}
215
216
int amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev)
217
{
218
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
219
void *pp_handle = adev->powerplay.pp_handle;
220
int ret;
221
222
if (!pp_funcs || !pp_funcs->get_asic_baco_capability)
223
return 0;
224
/* Don't use baco for reset in S3.
225
* This is a workaround for some platforms
226
* where entering BACO during suspend
227
* seems to cause reboots or hangs.
228
* This might be related to the fact that BACO controls
229
* power to the whole GPU including devices like audio and USB.
230
* Powering down/up everything may adversely affect these other
231
* devices. Needs more investigation.
232
*/
233
if (adev->in_s3)
234
return 0;
235
236
mutex_lock(&adev->pm.mutex);
237
238
ret = pp_funcs->get_asic_baco_capability(pp_handle);
239
240
mutex_unlock(&adev->pm.mutex);
241
242
return ret;
243
}
244
245
int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev)
246
{
247
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
248
void *pp_handle = adev->powerplay.pp_handle;
249
int ret = 0;
250
251
if (!pp_funcs || !pp_funcs->asic_reset_mode_2)
252
return -ENOENT;
253
254
mutex_lock(&adev->pm.mutex);
255
256
ret = pp_funcs->asic_reset_mode_2(pp_handle);
257
258
mutex_unlock(&adev->pm.mutex);
259
260
return ret;
261
}
262
263
int amdgpu_dpm_enable_gfx_features(struct amdgpu_device *adev)
264
{
265
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
266
void *pp_handle = adev->powerplay.pp_handle;
267
int ret = 0;
268
269
if (!pp_funcs || !pp_funcs->asic_reset_enable_gfx_features)
270
return -ENOENT;
271
272
mutex_lock(&adev->pm.mutex);
273
274
ret = pp_funcs->asic_reset_enable_gfx_features(pp_handle);
275
276
mutex_unlock(&adev->pm.mutex);
277
278
return ret;
279
}
280
281
int amdgpu_dpm_baco_reset(struct amdgpu_device *adev)
282
{
283
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
284
void *pp_handle = adev->powerplay.pp_handle;
285
int ret = 0;
286
287
if (!pp_funcs || !pp_funcs->set_asic_baco_state)
288
return -ENOENT;
289
290
mutex_lock(&adev->pm.mutex);
291
292
/* enter BACO state */
293
ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
294
if (ret)
295
goto out;
296
297
/* exit BACO state */
298
ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
299
300
out:
301
mutex_unlock(&adev->pm.mutex);
302
return ret;
303
}
304
305
bool amdgpu_dpm_is_mode1_reset_supported(struct amdgpu_device *adev)
306
{
307
struct smu_context *smu = adev->powerplay.pp_handle;
308
bool support_mode1_reset = false;
309
310
if (is_support_sw_smu(adev)) {
311
mutex_lock(&adev->pm.mutex);
312
support_mode1_reset = smu_mode1_reset_is_support(smu);
313
mutex_unlock(&adev->pm.mutex);
314
}
315
316
return support_mode1_reset;
317
}
318
319
int amdgpu_dpm_mode1_reset(struct amdgpu_device *adev)
320
{
321
struct smu_context *smu = adev->powerplay.pp_handle;
322
int ret = -EOPNOTSUPP;
323
324
if (is_support_sw_smu(adev)) {
325
mutex_lock(&adev->pm.mutex);
326
ret = smu_mode1_reset(smu);
327
mutex_unlock(&adev->pm.mutex);
328
}
329
330
return ret;
331
}
332
333
bool amdgpu_dpm_is_link_reset_supported(struct amdgpu_device *adev)
334
{
335
struct smu_context *smu = adev->powerplay.pp_handle;
336
bool support_link_reset = false;
337
338
if (is_support_sw_smu(adev)) {
339
mutex_lock(&adev->pm.mutex);
340
support_link_reset = smu_link_reset_is_support(smu);
341
mutex_unlock(&adev->pm.mutex);
342
}
343
344
return support_link_reset;
345
}
346
347
int amdgpu_dpm_link_reset(struct amdgpu_device *adev)
348
{
349
struct smu_context *smu = adev->powerplay.pp_handle;
350
int ret = -EOPNOTSUPP;
351
352
if (is_support_sw_smu(adev)) {
353
mutex_lock(&adev->pm.mutex);
354
ret = smu_link_reset(smu);
355
mutex_unlock(&adev->pm.mutex);
356
}
357
358
return ret;
359
}
360
361
int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
362
enum PP_SMC_POWER_PROFILE type,
363
bool en)
364
{
365
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
366
int ret = 0;
367
368
if (amdgpu_sriov_vf(adev))
369
return 0;
370
371
if (pp_funcs && pp_funcs->switch_power_profile) {
372
mutex_lock(&adev->pm.mutex);
373
ret = pp_funcs->switch_power_profile(
374
adev->powerplay.pp_handle, type, en);
375
mutex_unlock(&adev->pm.mutex);
376
}
377
378
return ret;
379
}
380
381
int amdgpu_dpm_pause_power_profile(struct amdgpu_device *adev,
382
bool pause)
383
{
384
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
385
int ret = 0;
386
387
if (amdgpu_sriov_vf(adev))
388
return 0;
389
390
if (pp_funcs && pp_funcs->pause_power_profile) {
391
mutex_lock(&adev->pm.mutex);
392
ret = pp_funcs->pause_power_profile(
393
adev->powerplay.pp_handle, pause);
394
mutex_unlock(&adev->pm.mutex);
395
}
396
397
return ret;
398
}
399
400
int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
401
uint32_t pstate)
402
{
403
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
404
int ret = 0;
405
406
if (pp_funcs && pp_funcs->set_xgmi_pstate) {
407
mutex_lock(&adev->pm.mutex);
408
ret = pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle,
409
pstate);
410
mutex_unlock(&adev->pm.mutex);
411
}
412
413
return ret;
414
}
415
416
int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
417
uint32_t cstate)
418
{
419
int ret = 0;
420
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
421
void *pp_handle = adev->powerplay.pp_handle;
422
423
if (pp_funcs && pp_funcs->set_df_cstate) {
424
mutex_lock(&adev->pm.mutex);
425
ret = pp_funcs->set_df_cstate(pp_handle, cstate);
426
mutex_unlock(&adev->pm.mutex);
427
}
428
429
return ret;
430
}
431
432
ssize_t amdgpu_dpm_get_pm_policy_info(struct amdgpu_device *adev,
433
enum pp_pm_policy p_type, char *buf)
434
{
435
struct smu_context *smu = adev->powerplay.pp_handle;
436
int ret = -EOPNOTSUPP;
437
438
if (is_support_sw_smu(adev)) {
439
mutex_lock(&adev->pm.mutex);
440
ret = smu_get_pm_policy_info(smu, p_type, buf);
441
mutex_unlock(&adev->pm.mutex);
442
}
443
444
return ret;
445
}
446
447
int amdgpu_dpm_set_pm_policy(struct amdgpu_device *adev, int policy_type,
448
int policy_level)
449
{
450
struct smu_context *smu = adev->powerplay.pp_handle;
451
int ret = -EOPNOTSUPP;
452
453
if (is_support_sw_smu(adev)) {
454
mutex_lock(&adev->pm.mutex);
455
ret = smu_set_pm_policy(smu, policy_type, policy_level);
456
mutex_unlock(&adev->pm.mutex);
457
}
458
459
return ret;
460
}
461
462
int amdgpu_dpm_enable_mgpu_fan_boost(struct amdgpu_device *adev)
463
{
464
void *pp_handle = adev->powerplay.pp_handle;
465
const struct amd_pm_funcs *pp_funcs =
466
adev->powerplay.pp_funcs;
467
int ret = 0;
468
469
if (pp_funcs && pp_funcs->enable_mgpu_fan_boost) {
470
mutex_lock(&adev->pm.mutex);
471
ret = pp_funcs->enable_mgpu_fan_boost(pp_handle);
472
mutex_unlock(&adev->pm.mutex);
473
}
474
475
return ret;
476
}
477
478
int amdgpu_dpm_set_clockgating_by_smu(struct amdgpu_device *adev,
479
uint32_t msg_id)
480
{
481
void *pp_handle = adev->powerplay.pp_handle;
482
const struct amd_pm_funcs *pp_funcs =
483
adev->powerplay.pp_funcs;
484
int ret = 0;
485
486
if (pp_funcs && pp_funcs->set_clockgating_by_smu) {
487
mutex_lock(&adev->pm.mutex);
488
ret = pp_funcs->set_clockgating_by_smu(pp_handle,
489
msg_id);
490
mutex_unlock(&adev->pm.mutex);
491
}
492
493
return ret;
494
}
495
496
int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev,
497
bool acquire)
498
{
499
void *pp_handle = adev->powerplay.pp_handle;
500
const struct amd_pm_funcs *pp_funcs =
501
adev->powerplay.pp_funcs;
502
int ret = -EOPNOTSUPP;
503
504
if (pp_funcs && pp_funcs->smu_i2c_bus_access) {
505
mutex_lock(&adev->pm.mutex);
506
ret = pp_funcs->smu_i2c_bus_access(pp_handle,
507
acquire);
508
mutex_unlock(&adev->pm.mutex);
509
}
510
511
return ret;
512
}
513
514
void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
515
{
516
if (adev->pm.dpm_enabled) {
517
mutex_lock(&adev->pm.mutex);
518
if (power_supply_is_system_supplied() > 0)
519
adev->pm.ac_power = true;
520
else
521
adev->pm.ac_power = false;
522
523
if (adev->powerplay.pp_funcs &&
524
adev->powerplay.pp_funcs->enable_bapm)
525
amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
526
527
if (is_support_sw_smu(adev))
528
smu_set_ac_dc(adev->powerplay.pp_handle);
529
530
mutex_unlock(&adev->pm.mutex);
531
}
532
}
533
534
int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,
535
void *data, uint32_t *size)
536
{
537
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
538
int ret = -EINVAL;
539
540
if (!data || !size)
541
return -EINVAL;
542
543
if (pp_funcs && pp_funcs->read_sensor) {
544
mutex_lock(&adev->pm.mutex);
545
ret = pp_funcs->read_sensor(adev->powerplay.pp_handle,
546
sensor,
547
data,
548
size);
549
mutex_unlock(&adev->pm.mutex);
550
}
551
552
return ret;
553
}
554
555
int amdgpu_dpm_get_apu_thermal_limit(struct amdgpu_device *adev, uint32_t *limit)
556
{
557
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
558
int ret = -EOPNOTSUPP;
559
560
if (pp_funcs && pp_funcs->get_apu_thermal_limit) {
561
mutex_lock(&adev->pm.mutex);
562
ret = pp_funcs->get_apu_thermal_limit(adev->powerplay.pp_handle, limit);
563
mutex_unlock(&adev->pm.mutex);
564
}
565
566
return ret;
567
}
568
569
int amdgpu_dpm_set_apu_thermal_limit(struct amdgpu_device *adev, uint32_t limit)
570
{
571
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
572
int ret = -EOPNOTSUPP;
573
574
if (pp_funcs && pp_funcs->set_apu_thermal_limit) {
575
mutex_lock(&adev->pm.mutex);
576
ret = pp_funcs->set_apu_thermal_limit(adev->powerplay.pp_handle, limit);
577
mutex_unlock(&adev->pm.mutex);
578
}
579
580
return ret;
581
}
582
583
void amdgpu_dpm_compute_clocks(struct amdgpu_device *adev)
584
{
585
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
586
int i;
587
588
if (!adev->pm.dpm_enabled)
589
return;
590
591
if (!pp_funcs->pm_compute_clocks)
592
return;
593
594
if (adev->mode_info.num_crtc)
595
amdgpu_display_bandwidth_update(adev);
596
597
for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
598
struct amdgpu_ring *ring = adev->rings[i];
599
if (ring && ring->sched.ready)
600
amdgpu_fence_wait_empty(ring);
601
}
602
603
mutex_lock(&adev->pm.mutex);
604
pp_funcs->pm_compute_clocks(adev->powerplay.pp_handle);
605
mutex_unlock(&adev->pm.mutex);
606
}
607
608
void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
609
{
610
int ret = 0;
611
612
if (adev->family == AMDGPU_FAMILY_SI) {
613
mutex_lock(&adev->pm.mutex);
614
if (enable) {
615
adev->pm.dpm.uvd_active = true;
616
adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
617
} else {
618
adev->pm.dpm.uvd_active = false;
619
}
620
mutex_unlock(&adev->pm.mutex);
621
622
amdgpu_dpm_compute_clocks(adev);
623
return;
624
}
625
626
ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable, 0);
627
if (ret)
628
DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
629
enable ? "enable" : "disable", ret);
630
}
631
632
void amdgpu_dpm_enable_vcn(struct amdgpu_device *adev, bool enable, int inst)
633
{
634
int ret = 0;
635
636
ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCN, !enable, inst);
637
if (ret)
638
DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
639
enable ? "enable" : "disable", ret);
640
}
641
642
void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
643
{
644
int ret = 0;
645
646
if (adev->family == AMDGPU_FAMILY_SI) {
647
mutex_lock(&adev->pm.mutex);
648
if (enable) {
649
adev->pm.dpm.vce_active = true;
650
/* XXX select vce level based on ring/task */
651
adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL;
652
} else {
653
adev->pm.dpm.vce_active = false;
654
}
655
mutex_unlock(&adev->pm.mutex);
656
657
amdgpu_dpm_compute_clocks(adev);
658
return;
659
}
660
661
ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable, 0);
662
if (ret)
663
DRM_ERROR("Dpm %s vce failed, ret = %d. \n",
664
enable ? "enable" : "disable", ret);
665
}
666
667
void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable)
668
{
669
int ret = 0;
670
671
ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable, 0);
672
if (ret)
673
DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n",
674
enable ? "enable" : "disable", ret);
675
}
676
677
void amdgpu_dpm_enable_vpe(struct amdgpu_device *adev, bool enable)
678
{
679
int ret = 0;
680
681
ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VPE, !enable, 0);
682
if (ret)
683
DRM_ERROR("Dpm %s vpe failed, ret = %d.\n",
684
enable ? "enable" : "disable", ret);
685
}
686
687
int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version)
688
{
689
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
690
int r = 0;
691
692
if (!pp_funcs || !pp_funcs->load_firmware ||
693
(is_support_sw_smu(adev) && (adev->flags & AMD_IS_APU)))
694
return 0;
695
696
mutex_lock(&adev->pm.mutex);
697
r = pp_funcs->load_firmware(adev->powerplay.pp_handle);
698
if (r) {
699
pr_err("smu firmware loading failed\n");
700
goto out;
701
}
702
703
if (smu_version)
704
*smu_version = adev->pm.fw_version;
705
706
out:
707
mutex_unlock(&adev->pm.mutex);
708
return r;
709
}
710
711
int amdgpu_dpm_handle_passthrough_sbr(struct amdgpu_device *adev, bool enable)
712
{
713
int ret = 0;
714
715
if (is_support_sw_smu(adev)) {
716
mutex_lock(&adev->pm.mutex);
717
ret = smu_handle_passthrough_sbr(adev->powerplay.pp_handle,
718
enable);
719
mutex_unlock(&adev->pm.mutex);
720
}
721
722
return ret;
723
}
724
725
int amdgpu_dpm_send_hbm_bad_pages_num(struct amdgpu_device *adev, uint32_t size)
726
{
727
struct smu_context *smu = adev->powerplay.pp_handle;
728
int ret = 0;
729
730
if (!is_support_sw_smu(adev))
731
return -EOPNOTSUPP;
732
733
mutex_lock(&adev->pm.mutex);
734
ret = smu_send_hbm_bad_pages_num(smu, size);
735
mutex_unlock(&adev->pm.mutex);
736
737
return ret;
738
}
739
740
int amdgpu_dpm_send_hbm_bad_channel_flag(struct amdgpu_device *adev, uint32_t size)
741
{
742
struct smu_context *smu = adev->powerplay.pp_handle;
743
int ret = 0;
744
745
if (!is_support_sw_smu(adev))
746
return -EOPNOTSUPP;
747
748
mutex_lock(&adev->pm.mutex);
749
ret = smu_send_hbm_bad_channel_flag(smu, size);
750
mutex_unlock(&adev->pm.mutex);
751
752
return ret;
753
}
754
755
int amdgpu_dpm_send_rma_reason(struct amdgpu_device *adev)
756
{
757
struct smu_context *smu = adev->powerplay.pp_handle;
758
int ret;
759
760
if (!is_support_sw_smu(adev))
761
return -EOPNOTSUPP;
762
763
mutex_lock(&adev->pm.mutex);
764
ret = smu_send_rma_reason(smu);
765
mutex_unlock(&adev->pm.mutex);
766
767
if (adev->cper.enabled)
768
if (amdgpu_cper_generate_bp_threshold_record(adev))
769
dev_warn(adev->dev, "fail to generate bad page threshold cper records\n");
770
771
return ret;
772
}
773
774
/**
775
* amdgpu_dpm_reset_sdma_is_supported - Check if SDMA reset is supported
776
* @adev: amdgpu_device pointer
777
*
778
* This function checks if the SMU supports resetting the SDMA engine.
779
* It returns false if the hardware does not support software SMU or
780
* if the feature is not supported.
781
*/
782
bool amdgpu_dpm_reset_sdma_is_supported(struct amdgpu_device *adev)
783
{
784
struct smu_context *smu = adev->powerplay.pp_handle;
785
bool ret;
786
787
if (!is_support_sw_smu(adev))
788
return false;
789
790
mutex_lock(&adev->pm.mutex);
791
ret = smu_reset_sdma_is_supported(smu);
792
mutex_unlock(&adev->pm.mutex);
793
794
return ret;
795
}
796
797
int amdgpu_dpm_reset_sdma(struct amdgpu_device *adev, uint32_t inst_mask)
798
{
799
struct smu_context *smu = adev->powerplay.pp_handle;
800
int ret;
801
802
if (!is_support_sw_smu(adev))
803
return -EOPNOTSUPP;
804
805
mutex_lock(&adev->pm.mutex);
806
ret = smu_reset_sdma(smu, inst_mask);
807
mutex_unlock(&adev->pm.mutex);
808
809
return ret;
810
}
811
812
int amdgpu_dpm_reset_vcn(struct amdgpu_device *adev, uint32_t inst_mask)
813
{
814
struct smu_context *smu = adev->powerplay.pp_handle;
815
int ret;
816
817
if (!is_support_sw_smu(adev))
818
return -EOPNOTSUPP;
819
820
mutex_lock(&adev->pm.mutex);
821
ret = smu_reset_vcn(smu, inst_mask);
822
mutex_unlock(&adev->pm.mutex);
823
824
return ret;
825
}
826
827
int amdgpu_dpm_get_dpm_freq_range(struct amdgpu_device *adev,
828
enum pp_clock_type type,
829
uint32_t *min,
830
uint32_t *max)
831
{
832
int ret = 0;
833
834
if (type != PP_SCLK)
835
return -EINVAL;
836
837
if (!is_support_sw_smu(adev))
838
return -EOPNOTSUPP;
839
840
mutex_lock(&adev->pm.mutex);
841
ret = smu_get_dpm_freq_range(adev->powerplay.pp_handle,
842
SMU_SCLK,
843
min,
844
max);
845
mutex_unlock(&adev->pm.mutex);
846
847
return ret;
848
}
849
850
int amdgpu_dpm_set_soft_freq_range(struct amdgpu_device *adev,
851
enum pp_clock_type type,
852
uint32_t min,
853
uint32_t max)
854
{
855
struct smu_context *smu = adev->powerplay.pp_handle;
856
857
if (!is_support_sw_smu(adev))
858
return -EOPNOTSUPP;
859
860
guard(mutex)(&adev->pm.mutex);
861
862
return smu_set_soft_freq_range(smu,
863
type,
864
min,
865
max);
866
}
867
868
int amdgpu_dpm_write_watermarks_table(struct amdgpu_device *adev)
869
{
870
struct smu_context *smu = adev->powerplay.pp_handle;
871
int ret = 0;
872
873
if (!is_support_sw_smu(adev))
874
return 0;
875
876
mutex_lock(&adev->pm.mutex);
877
ret = smu_write_watermarks_table(smu);
878
mutex_unlock(&adev->pm.mutex);
879
880
return ret;
881
}
882
883
int amdgpu_dpm_wait_for_event(struct amdgpu_device *adev,
884
enum smu_event_type event,
885
uint64_t event_arg)
886
{
887
struct smu_context *smu = adev->powerplay.pp_handle;
888
int ret = 0;
889
890
if (!is_support_sw_smu(adev))
891
return -EOPNOTSUPP;
892
893
mutex_lock(&adev->pm.mutex);
894
ret = smu_wait_for_event(smu, event, event_arg);
895
mutex_unlock(&adev->pm.mutex);
896
897
return ret;
898
}
899
900
int amdgpu_dpm_set_residency_gfxoff(struct amdgpu_device *adev, bool value)
901
{
902
struct smu_context *smu = adev->powerplay.pp_handle;
903
int ret = 0;
904
905
if (!is_support_sw_smu(adev))
906
return -EOPNOTSUPP;
907
908
mutex_lock(&adev->pm.mutex);
909
ret = smu_set_residency_gfxoff(smu, value);
910
mutex_unlock(&adev->pm.mutex);
911
912
return ret;
913
}
914
915
int amdgpu_dpm_get_residency_gfxoff(struct amdgpu_device *adev, u32 *value)
916
{
917
struct smu_context *smu = adev->powerplay.pp_handle;
918
int ret = 0;
919
920
if (!is_support_sw_smu(adev))
921
return -EOPNOTSUPP;
922
923
mutex_lock(&adev->pm.mutex);
924
ret = smu_get_residency_gfxoff(smu, value);
925
mutex_unlock(&adev->pm.mutex);
926
927
return ret;
928
}
929
930
int amdgpu_dpm_get_entrycount_gfxoff(struct amdgpu_device *adev, u64 *value)
931
{
932
struct smu_context *smu = adev->powerplay.pp_handle;
933
int ret = 0;
934
935
if (!is_support_sw_smu(adev))
936
return -EOPNOTSUPP;
937
938
mutex_lock(&adev->pm.mutex);
939
ret = smu_get_entrycount_gfxoff(smu, value);
940
mutex_unlock(&adev->pm.mutex);
941
942
return ret;
943
}
944
945
int amdgpu_dpm_get_status_gfxoff(struct amdgpu_device *adev, uint32_t *value)
946
{
947
struct smu_context *smu = adev->powerplay.pp_handle;
948
int ret = 0;
949
950
if (!is_support_sw_smu(adev))
951
return -EOPNOTSUPP;
952
953
mutex_lock(&adev->pm.mutex);
954
ret = smu_get_status_gfxoff(smu, value);
955
mutex_unlock(&adev->pm.mutex);
956
957
return ret;
958
}
959
960
uint64_t amdgpu_dpm_get_thermal_throttling_counter(struct amdgpu_device *adev)
961
{
962
struct smu_context *smu = adev->powerplay.pp_handle;
963
964
if (!is_support_sw_smu(adev))
965
return 0;
966
967
return atomic64_read(&smu->throttle_int_counter);
968
}
969
970
/* amdgpu_dpm_gfx_state_change - Handle gfx power state change set
971
* @adev: amdgpu_device pointer
972
* @state: gfx power state(1 -sGpuChangeState_D0Entry and 2 -sGpuChangeState_D3Entry)
973
*
974
*/
975
void amdgpu_dpm_gfx_state_change(struct amdgpu_device *adev,
976
enum gfx_change_state state)
977
{
978
mutex_lock(&adev->pm.mutex);
979
if (adev->powerplay.pp_funcs &&
980
adev->powerplay.pp_funcs->gfx_state_change_set)
981
((adev)->powerplay.pp_funcs->gfx_state_change_set(
982
(adev)->powerplay.pp_handle, state));
983
mutex_unlock(&adev->pm.mutex);
984
}
985
986
int amdgpu_dpm_get_ecc_info(struct amdgpu_device *adev,
987
void *umc_ecc)
988
{
989
struct smu_context *smu = adev->powerplay.pp_handle;
990
int ret = 0;
991
992
if (!is_support_sw_smu(adev))
993
return -EOPNOTSUPP;
994
995
mutex_lock(&adev->pm.mutex);
996
ret = smu_get_ecc_info(smu, umc_ecc);
997
mutex_unlock(&adev->pm.mutex);
998
999
return ret;
1000
}
1001
1002
struct amd_vce_state *amdgpu_dpm_get_vce_clock_state(struct amdgpu_device *adev,
1003
uint32_t idx)
1004
{
1005
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1006
struct amd_vce_state *vstate = NULL;
1007
1008
if (!pp_funcs->get_vce_clock_state)
1009
return NULL;
1010
1011
mutex_lock(&adev->pm.mutex);
1012
vstate = pp_funcs->get_vce_clock_state(adev->powerplay.pp_handle,
1013
idx);
1014
mutex_unlock(&adev->pm.mutex);
1015
1016
return vstate;
1017
}
1018
1019
void amdgpu_dpm_get_current_power_state(struct amdgpu_device *adev,
1020
enum amd_pm_state_type *state)
1021
{
1022
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1023
1024
mutex_lock(&adev->pm.mutex);
1025
1026
if (!pp_funcs->get_current_power_state) {
1027
*state = adev->pm.dpm.user_state;
1028
goto out;
1029
}
1030
1031
*state = pp_funcs->get_current_power_state(adev->powerplay.pp_handle);
1032
if (*state < POWER_STATE_TYPE_DEFAULT ||
1033
*state > POWER_STATE_TYPE_INTERNAL_3DPERF)
1034
*state = adev->pm.dpm.user_state;
1035
1036
out:
1037
mutex_unlock(&adev->pm.mutex);
1038
}
1039
1040
void amdgpu_dpm_set_power_state(struct amdgpu_device *adev,
1041
enum amd_pm_state_type state)
1042
{
1043
mutex_lock(&adev->pm.mutex);
1044
adev->pm.dpm.user_state = state;
1045
mutex_unlock(&adev->pm.mutex);
1046
1047
if (is_support_sw_smu(adev))
1048
return;
1049
1050
if (amdgpu_dpm_dispatch_task(adev,
1051
AMD_PP_TASK_ENABLE_USER_STATE,
1052
&state) == -EOPNOTSUPP)
1053
amdgpu_dpm_compute_clocks(adev);
1054
}
1055
1056
enum amd_dpm_forced_level amdgpu_dpm_get_performance_level(struct amdgpu_device *adev)
1057
{
1058
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1059
enum amd_dpm_forced_level level;
1060
1061
if (!pp_funcs)
1062
return AMD_DPM_FORCED_LEVEL_AUTO;
1063
1064
mutex_lock(&adev->pm.mutex);
1065
if (pp_funcs->get_performance_level)
1066
level = pp_funcs->get_performance_level(adev->powerplay.pp_handle);
1067
else
1068
level = adev->pm.dpm.forced_level;
1069
mutex_unlock(&adev->pm.mutex);
1070
1071
return level;
1072
}
1073
1074
static void amdgpu_dpm_enter_umd_state(struct amdgpu_device *adev)
1075
{
1076
/* enter UMD Pstate */
1077
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_GFX,
1078
AMD_PG_STATE_UNGATE);
1079
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_GFX,
1080
AMD_CG_STATE_UNGATE);
1081
}
1082
1083
static void amdgpu_dpm_exit_umd_state(struct amdgpu_device *adev)
1084
{
1085
/* exit UMD Pstate */
1086
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_GFX,
1087
AMD_CG_STATE_GATE);
1088
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_GFX,
1089
AMD_PG_STATE_GATE);
1090
}
1091
1092
int amdgpu_dpm_force_performance_level(struct amdgpu_device *adev,
1093
enum amd_dpm_forced_level level)
1094
{
1095
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1096
enum amd_dpm_forced_level current_level;
1097
uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
1098
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
1099
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
1100
AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
1101
1102
if (!pp_funcs || !pp_funcs->force_performance_level)
1103
return 0;
1104
1105
if (adev->pm.dpm.thermal_active)
1106
return -EINVAL;
1107
1108
current_level = amdgpu_dpm_get_performance_level(adev);
1109
if (current_level == level)
1110
return 0;
1111
1112
if (!(current_level & profile_mode_mask) &&
1113
(level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT))
1114
return -EINVAL;
1115
1116
if (adev->asic_type == CHIP_RAVEN) {
1117
if (!(adev->apu_flags & AMD_APU_IS_RAVEN2)) {
1118
if (current_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1119
level == AMD_DPM_FORCED_LEVEL_MANUAL)
1120
amdgpu_gfx_off_ctrl(adev, false);
1121
else if (current_level == AMD_DPM_FORCED_LEVEL_MANUAL &&
1122
level != AMD_DPM_FORCED_LEVEL_MANUAL)
1123
amdgpu_gfx_off_ctrl(adev, true);
1124
}
1125
}
1126
1127
if (!(current_level & profile_mode_mask) && (level & profile_mode_mask))
1128
amdgpu_dpm_enter_umd_state(adev);
1129
else if ((current_level & profile_mode_mask) &&
1130
!(level & profile_mode_mask))
1131
amdgpu_dpm_exit_umd_state(adev);
1132
1133
mutex_lock(&adev->pm.mutex);
1134
1135
if (pp_funcs->force_performance_level(adev->powerplay.pp_handle,
1136
level)) {
1137
mutex_unlock(&adev->pm.mutex);
1138
/* If new level failed, retain the umd state as before */
1139
if (!(current_level & profile_mode_mask) &&
1140
(level & profile_mode_mask))
1141
amdgpu_dpm_exit_umd_state(adev);
1142
else if ((current_level & profile_mode_mask) &&
1143
!(level & profile_mode_mask))
1144
amdgpu_dpm_enter_umd_state(adev);
1145
1146
return -EINVAL;
1147
}
1148
1149
adev->pm.dpm.forced_level = level;
1150
1151
mutex_unlock(&adev->pm.mutex);
1152
1153
return 0;
1154
}
1155
1156
int amdgpu_dpm_get_pp_num_states(struct amdgpu_device *adev,
1157
struct pp_states_info *states)
1158
{
1159
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1160
int ret = 0;
1161
1162
if (!pp_funcs->get_pp_num_states)
1163
return -EOPNOTSUPP;
1164
1165
mutex_lock(&adev->pm.mutex);
1166
ret = pp_funcs->get_pp_num_states(adev->powerplay.pp_handle,
1167
states);
1168
mutex_unlock(&adev->pm.mutex);
1169
1170
return ret;
1171
}
1172
1173
int amdgpu_dpm_dispatch_task(struct amdgpu_device *adev,
1174
enum amd_pp_task task_id,
1175
enum amd_pm_state_type *user_state)
1176
{
1177
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1178
int ret = 0;
1179
1180
if (!pp_funcs->dispatch_tasks)
1181
return -EOPNOTSUPP;
1182
1183
mutex_lock(&adev->pm.mutex);
1184
ret = pp_funcs->dispatch_tasks(adev->powerplay.pp_handle,
1185
task_id,
1186
user_state);
1187
mutex_unlock(&adev->pm.mutex);
1188
1189
return ret;
1190
}
1191
1192
int amdgpu_dpm_get_pp_table(struct amdgpu_device *adev, char **table)
1193
{
1194
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1195
int ret = 0;
1196
1197
if (!pp_funcs->get_pp_table)
1198
return 0;
1199
1200
mutex_lock(&adev->pm.mutex);
1201
ret = pp_funcs->get_pp_table(adev->powerplay.pp_handle,
1202
table);
1203
mutex_unlock(&adev->pm.mutex);
1204
1205
return ret;
1206
}
1207
1208
int amdgpu_dpm_set_fine_grain_clk_vol(struct amdgpu_device *adev,
1209
uint32_t type,
1210
long *input,
1211
uint32_t size)
1212
{
1213
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1214
int ret = 0;
1215
1216
if (!pp_funcs->set_fine_grain_clk_vol)
1217
return 0;
1218
1219
mutex_lock(&adev->pm.mutex);
1220
ret = pp_funcs->set_fine_grain_clk_vol(adev->powerplay.pp_handle,
1221
type,
1222
input,
1223
size);
1224
mutex_unlock(&adev->pm.mutex);
1225
1226
return ret;
1227
}
1228
1229
int amdgpu_dpm_odn_edit_dpm_table(struct amdgpu_device *adev,
1230
uint32_t type,
1231
long *input,
1232
uint32_t size)
1233
{
1234
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1235
int ret = 0;
1236
1237
if (!pp_funcs->odn_edit_dpm_table)
1238
return 0;
1239
1240
mutex_lock(&adev->pm.mutex);
1241
ret = pp_funcs->odn_edit_dpm_table(adev->powerplay.pp_handle,
1242
type,
1243
input,
1244
size);
1245
mutex_unlock(&adev->pm.mutex);
1246
1247
return ret;
1248
}
1249
1250
int amdgpu_dpm_print_clock_levels(struct amdgpu_device *adev,
1251
enum pp_clock_type type,
1252
char *buf)
1253
{
1254
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1255
int ret = 0;
1256
1257
if (!pp_funcs->print_clock_levels)
1258
return 0;
1259
1260
mutex_lock(&adev->pm.mutex);
1261
ret = pp_funcs->print_clock_levels(adev->powerplay.pp_handle,
1262
type,
1263
buf);
1264
mutex_unlock(&adev->pm.mutex);
1265
1266
return ret;
1267
}
1268
1269
int amdgpu_dpm_emit_clock_levels(struct amdgpu_device *adev,
1270
enum pp_clock_type type,
1271
char *buf,
1272
int *offset)
1273
{
1274
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1275
int ret = 0;
1276
1277
if (!pp_funcs->emit_clock_levels)
1278
return -ENOENT;
1279
1280
mutex_lock(&adev->pm.mutex);
1281
ret = pp_funcs->emit_clock_levels(adev->powerplay.pp_handle,
1282
type,
1283
buf,
1284
offset);
1285
mutex_unlock(&adev->pm.mutex);
1286
1287
return ret;
1288
}
1289
1290
int amdgpu_dpm_set_ppfeature_status(struct amdgpu_device *adev,
1291
uint64_t ppfeature_masks)
1292
{
1293
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1294
int ret = 0;
1295
1296
if (!pp_funcs->set_ppfeature_status)
1297
return 0;
1298
1299
mutex_lock(&adev->pm.mutex);
1300
ret = pp_funcs->set_ppfeature_status(adev->powerplay.pp_handle,
1301
ppfeature_masks);
1302
mutex_unlock(&adev->pm.mutex);
1303
1304
return ret;
1305
}
1306
1307
int amdgpu_dpm_get_ppfeature_status(struct amdgpu_device *adev, char *buf)
1308
{
1309
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1310
int ret = 0;
1311
1312
if (!pp_funcs->get_ppfeature_status)
1313
return 0;
1314
1315
mutex_lock(&adev->pm.mutex);
1316
ret = pp_funcs->get_ppfeature_status(adev->powerplay.pp_handle,
1317
buf);
1318
mutex_unlock(&adev->pm.mutex);
1319
1320
return ret;
1321
}
1322
1323
int amdgpu_dpm_force_clock_level(struct amdgpu_device *adev,
1324
enum pp_clock_type type,
1325
uint32_t mask)
1326
{
1327
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1328
int ret = 0;
1329
1330
if (!pp_funcs->force_clock_level)
1331
return 0;
1332
1333
mutex_lock(&adev->pm.mutex);
1334
ret = pp_funcs->force_clock_level(adev->powerplay.pp_handle,
1335
type,
1336
mask);
1337
mutex_unlock(&adev->pm.mutex);
1338
1339
return ret;
1340
}
1341
1342
int amdgpu_dpm_get_sclk_od(struct amdgpu_device *adev)
1343
{
1344
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1345
int ret = 0;
1346
1347
if (!pp_funcs->get_sclk_od)
1348
return -EOPNOTSUPP;
1349
1350
mutex_lock(&adev->pm.mutex);
1351
ret = pp_funcs->get_sclk_od(adev->powerplay.pp_handle);
1352
mutex_unlock(&adev->pm.mutex);
1353
1354
return ret;
1355
}
1356
1357
int amdgpu_dpm_set_sclk_od(struct amdgpu_device *adev, uint32_t value)
1358
{
1359
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1360
1361
if (is_support_sw_smu(adev))
1362
return -EOPNOTSUPP;
1363
1364
mutex_lock(&adev->pm.mutex);
1365
if (pp_funcs->set_sclk_od)
1366
pp_funcs->set_sclk_od(adev->powerplay.pp_handle, value);
1367
mutex_unlock(&adev->pm.mutex);
1368
1369
if (amdgpu_dpm_dispatch_task(adev,
1370
AMD_PP_TASK_READJUST_POWER_STATE,
1371
NULL) == -EOPNOTSUPP) {
1372
adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
1373
amdgpu_dpm_compute_clocks(adev);
1374
}
1375
1376
return 0;
1377
}
1378
1379
int amdgpu_dpm_get_mclk_od(struct amdgpu_device *adev)
1380
{
1381
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1382
int ret = 0;
1383
1384
if (!pp_funcs->get_mclk_od)
1385
return -EOPNOTSUPP;
1386
1387
mutex_lock(&adev->pm.mutex);
1388
ret = pp_funcs->get_mclk_od(adev->powerplay.pp_handle);
1389
mutex_unlock(&adev->pm.mutex);
1390
1391
return ret;
1392
}
1393
1394
int amdgpu_dpm_set_mclk_od(struct amdgpu_device *adev, uint32_t value)
1395
{
1396
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1397
1398
if (is_support_sw_smu(adev))
1399
return -EOPNOTSUPP;
1400
1401
mutex_lock(&adev->pm.mutex);
1402
if (pp_funcs->set_mclk_od)
1403
pp_funcs->set_mclk_od(adev->powerplay.pp_handle, value);
1404
mutex_unlock(&adev->pm.mutex);
1405
1406
if (amdgpu_dpm_dispatch_task(adev,
1407
AMD_PP_TASK_READJUST_POWER_STATE,
1408
NULL) == -EOPNOTSUPP) {
1409
adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
1410
amdgpu_dpm_compute_clocks(adev);
1411
}
1412
1413
return 0;
1414
}
1415
1416
int amdgpu_dpm_get_power_profile_mode(struct amdgpu_device *adev,
1417
char *buf)
1418
{
1419
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1420
int ret = 0;
1421
1422
if (!pp_funcs->get_power_profile_mode)
1423
return -EOPNOTSUPP;
1424
1425
mutex_lock(&adev->pm.mutex);
1426
ret = pp_funcs->get_power_profile_mode(adev->powerplay.pp_handle,
1427
buf);
1428
mutex_unlock(&adev->pm.mutex);
1429
1430
return ret;
1431
}
1432
1433
int amdgpu_dpm_set_power_profile_mode(struct amdgpu_device *adev,
1434
long *input, uint32_t size)
1435
{
1436
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1437
int ret = 0;
1438
1439
if (!pp_funcs->set_power_profile_mode)
1440
return 0;
1441
1442
mutex_lock(&adev->pm.mutex);
1443
ret = pp_funcs->set_power_profile_mode(adev->powerplay.pp_handle,
1444
input,
1445
size);
1446
mutex_unlock(&adev->pm.mutex);
1447
1448
return ret;
1449
}
1450
1451
int amdgpu_dpm_get_gpu_metrics(struct amdgpu_device *adev, void **table)
1452
{
1453
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1454
int ret = 0;
1455
1456
if (!pp_funcs->get_gpu_metrics)
1457
return 0;
1458
1459
mutex_lock(&adev->pm.mutex);
1460
ret = pp_funcs->get_gpu_metrics(adev->powerplay.pp_handle,
1461
table);
1462
mutex_unlock(&adev->pm.mutex);
1463
1464
return ret;
1465
}
1466
1467
ssize_t amdgpu_dpm_get_pm_metrics(struct amdgpu_device *adev, void *pm_metrics,
1468
size_t size)
1469
{
1470
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1471
int ret = 0;
1472
1473
if (!pp_funcs->get_pm_metrics)
1474
return -EOPNOTSUPP;
1475
1476
mutex_lock(&adev->pm.mutex);
1477
ret = pp_funcs->get_pm_metrics(adev->powerplay.pp_handle, pm_metrics,
1478
size);
1479
mutex_unlock(&adev->pm.mutex);
1480
1481
return ret;
1482
}
1483
1484
int amdgpu_dpm_get_fan_control_mode(struct amdgpu_device *adev,
1485
uint32_t *fan_mode)
1486
{
1487
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1488
int ret = 0;
1489
1490
if (!pp_funcs->get_fan_control_mode)
1491
return -EOPNOTSUPP;
1492
1493
mutex_lock(&adev->pm.mutex);
1494
ret = pp_funcs->get_fan_control_mode(adev->powerplay.pp_handle,
1495
fan_mode);
1496
mutex_unlock(&adev->pm.mutex);
1497
1498
return ret;
1499
}
1500
1501
int amdgpu_dpm_set_fan_speed_pwm(struct amdgpu_device *adev,
1502
uint32_t speed)
1503
{
1504
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1505
int ret = 0;
1506
1507
if (!pp_funcs->set_fan_speed_pwm)
1508
return -EOPNOTSUPP;
1509
1510
mutex_lock(&adev->pm.mutex);
1511
ret = pp_funcs->set_fan_speed_pwm(adev->powerplay.pp_handle,
1512
speed);
1513
mutex_unlock(&adev->pm.mutex);
1514
1515
return ret;
1516
}
1517
1518
int amdgpu_dpm_get_fan_speed_pwm(struct amdgpu_device *adev,
1519
uint32_t *speed)
1520
{
1521
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1522
int ret = 0;
1523
1524
if (!pp_funcs->get_fan_speed_pwm)
1525
return -EOPNOTSUPP;
1526
1527
mutex_lock(&adev->pm.mutex);
1528
ret = pp_funcs->get_fan_speed_pwm(adev->powerplay.pp_handle,
1529
speed);
1530
mutex_unlock(&adev->pm.mutex);
1531
1532
return ret;
1533
}
1534
1535
int amdgpu_dpm_get_fan_speed_rpm(struct amdgpu_device *adev,
1536
uint32_t *speed)
1537
{
1538
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1539
int ret = 0;
1540
1541
if (!pp_funcs->get_fan_speed_rpm)
1542
return -EOPNOTSUPP;
1543
1544
mutex_lock(&adev->pm.mutex);
1545
ret = pp_funcs->get_fan_speed_rpm(adev->powerplay.pp_handle,
1546
speed);
1547
mutex_unlock(&adev->pm.mutex);
1548
1549
return ret;
1550
}
1551
1552
int amdgpu_dpm_set_fan_speed_rpm(struct amdgpu_device *adev,
1553
uint32_t speed)
1554
{
1555
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1556
int ret = 0;
1557
1558
if (!pp_funcs->set_fan_speed_rpm)
1559
return -EOPNOTSUPP;
1560
1561
mutex_lock(&adev->pm.mutex);
1562
ret = pp_funcs->set_fan_speed_rpm(adev->powerplay.pp_handle,
1563
speed);
1564
mutex_unlock(&adev->pm.mutex);
1565
1566
return ret;
1567
}
1568
1569
int amdgpu_dpm_set_fan_control_mode(struct amdgpu_device *adev,
1570
uint32_t mode)
1571
{
1572
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1573
int ret = 0;
1574
1575
if (!pp_funcs->set_fan_control_mode)
1576
return -EOPNOTSUPP;
1577
1578
mutex_lock(&adev->pm.mutex);
1579
ret = pp_funcs->set_fan_control_mode(adev->powerplay.pp_handle,
1580
mode);
1581
mutex_unlock(&adev->pm.mutex);
1582
1583
return ret;
1584
}
1585
1586
int amdgpu_dpm_get_power_limit(struct amdgpu_device *adev,
1587
uint32_t *limit,
1588
enum pp_power_limit_level pp_limit_level,
1589
enum pp_power_type power_type)
1590
{
1591
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1592
int ret = 0;
1593
1594
if (!pp_funcs->get_power_limit)
1595
return -ENODATA;
1596
1597
mutex_lock(&adev->pm.mutex);
1598
ret = pp_funcs->get_power_limit(adev->powerplay.pp_handle,
1599
limit,
1600
pp_limit_level,
1601
power_type);
1602
mutex_unlock(&adev->pm.mutex);
1603
1604
return ret;
1605
}
1606
1607
int amdgpu_dpm_set_power_limit(struct amdgpu_device *adev,
1608
uint32_t limit)
1609
{
1610
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1611
int ret = 0;
1612
1613
if (!pp_funcs->set_power_limit)
1614
return -EINVAL;
1615
1616
mutex_lock(&adev->pm.mutex);
1617
ret = pp_funcs->set_power_limit(adev->powerplay.pp_handle,
1618
limit);
1619
mutex_unlock(&adev->pm.mutex);
1620
1621
return ret;
1622
}
1623
1624
int amdgpu_dpm_is_cclk_dpm_supported(struct amdgpu_device *adev)
1625
{
1626
bool cclk_dpm_supported = false;
1627
1628
if (!is_support_sw_smu(adev))
1629
return false;
1630
1631
mutex_lock(&adev->pm.mutex);
1632
cclk_dpm_supported = is_support_cclk_dpm(adev);
1633
mutex_unlock(&adev->pm.mutex);
1634
1635
return (int)cclk_dpm_supported;
1636
}
1637
1638
int amdgpu_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev,
1639
struct seq_file *m)
1640
{
1641
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1642
1643
if (!pp_funcs->debugfs_print_current_performance_level)
1644
return -EOPNOTSUPP;
1645
1646
mutex_lock(&adev->pm.mutex);
1647
pp_funcs->debugfs_print_current_performance_level(adev->powerplay.pp_handle,
1648
m);
1649
mutex_unlock(&adev->pm.mutex);
1650
1651
return 0;
1652
}
1653
1654
int amdgpu_dpm_get_smu_prv_buf_details(struct amdgpu_device *adev,
1655
void **addr,
1656
size_t *size)
1657
{
1658
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1659
int ret = 0;
1660
1661
if (!pp_funcs->get_smu_prv_buf_details)
1662
return -ENOSYS;
1663
1664
mutex_lock(&adev->pm.mutex);
1665
ret = pp_funcs->get_smu_prv_buf_details(adev->powerplay.pp_handle,
1666
addr,
1667
size);
1668
mutex_unlock(&adev->pm.mutex);
1669
1670
return ret;
1671
}
1672
1673
int amdgpu_dpm_is_overdrive_supported(struct amdgpu_device *adev)
1674
{
1675
if (is_support_sw_smu(adev)) {
1676
struct smu_context *smu = adev->powerplay.pp_handle;
1677
1678
return (smu->od_enabled || smu->is_apu);
1679
} else {
1680
struct pp_hwmgr *hwmgr;
1681
1682
/*
1683
* dpm on some legacy asics don't carry od_enabled member
1684
* as its pp_handle is casted directly from adev.
1685
*/
1686
if (amdgpu_dpm_is_legacy_dpm(adev))
1687
return false;
1688
1689
hwmgr = (struct pp_hwmgr *)adev->powerplay.pp_handle;
1690
1691
return hwmgr->od_enabled;
1692
}
1693
}
1694
1695
int amdgpu_dpm_is_overdrive_enabled(struct amdgpu_device *adev)
1696
{
1697
if (is_support_sw_smu(adev)) {
1698
struct smu_context *smu = adev->powerplay.pp_handle;
1699
1700
return smu->od_enabled;
1701
} else {
1702
struct pp_hwmgr *hwmgr;
1703
1704
/*
1705
* dpm on some legacy asics don't carry od_enabled member
1706
* as its pp_handle is casted directly from adev.
1707
*/
1708
if (amdgpu_dpm_is_legacy_dpm(adev))
1709
return false;
1710
1711
hwmgr = (struct pp_hwmgr *)adev->powerplay.pp_handle;
1712
1713
return hwmgr->od_enabled;
1714
}
1715
}
1716
1717
int amdgpu_dpm_set_pp_table(struct amdgpu_device *adev,
1718
const char *buf,
1719
size_t size)
1720
{
1721
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1722
int ret = 0;
1723
1724
if (!pp_funcs->set_pp_table)
1725
return -EOPNOTSUPP;
1726
1727
mutex_lock(&adev->pm.mutex);
1728
ret = pp_funcs->set_pp_table(adev->powerplay.pp_handle,
1729
buf,
1730
size);
1731
mutex_unlock(&adev->pm.mutex);
1732
1733
return ret;
1734
}
1735
1736
int amdgpu_dpm_get_num_cpu_cores(struct amdgpu_device *adev)
1737
{
1738
struct smu_context *smu = adev->powerplay.pp_handle;
1739
1740
if (!is_support_sw_smu(adev))
1741
return INT_MAX;
1742
1743
return smu->cpu_core_num;
1744
}
1745
1746
void amdgpu_dpm_stb_debug_fs_init(struct amdgpu_device *adev)
1747
{
1748
if (!is_support_sw_smu(adev))
1749
return;
1750
1751
amdgpu_smu_stb_debug_fs_init(adev);
1752
}
1753
1754
int amdgpu_dpm_display_configuration_change(struct amdgpu_device *adev,
1755
const struct amd_pp_display_configuration *input)
1756
{
1757
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1758
int ret = 0;
1759
1760
if (!pp_funcs->display_configuration_change)
1761
return 0;
1762
1763
mutex_lock(&adev->pm.mutex);
1764
ret = pp_funcs->display_configuration_change(adev->powerplay.pp_handle,
1765
input);
1766
mutex_unlock(&adev->pm.mutex);
1767
1768
return ret;
1769
}
1770
1771
int amdgpu_dpm_get_clock_by_type(struct amdgpu_device *adev,
1772
enum amd_pp_clock_type type,
1773
struct amd_pp_clocks *clocks)
1774
{
1775
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1776
int ret = 0;
1777
1778
if (!pp_funcs->get_clock_by_type)
1779
return 0;
1780
1781
mutex_lock(&adev->pm.mutex);
1782
ret = pp_funcs->get_clock_by_type(adev->powerplay.pp_handle,
1783
type,
1784
clocks);
1785
mutex_unlock(&adev->pm.mutex);
1786
1787
return ret;
1788
}
1789
1790
int amdgpu_dpm_get_display_mode_validation_clks(struct amdgpu_device *adev,
1791
struct amd_pp_simple_clock_info *clocks)
1792
{
1793
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1794
int ret = 0;
1795
1796
if (!pp_funcs->get_display_mode_validation_clocks)
1797
return 0;
1798
1799
mutex_lock(&adev->pm.mutex);
1800
ret = pp_funcs->get_display_mode_validation_clocks(adev->powerplay.pp_handle,
1801
clocks);
1802
mutex_unlock(&adev->pm.mutex);
1803
1804
return ret;
1805
}
1806
1807
int amdgpu_dpm_get_clock_by_type_with_latency(struct amdgpu_device *adev,
1808
enum amd_pp_clock_type type,
1809
struct pp_clock_levels_with_latency *clocks)
1810
{
1811
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1812
int ret = 0;
1813
1814
if (!pp_funcs->get_clock_by_type_with_latency)
1815
return 0;
1816
1817
mutex_lock(&adev->pm.mutex);
1818
ret = pp_funcs->get_clock_by_type_with_latency(adev->powerplay.pp_handle,
1819
type,
1820
clocks);
1821
mutex_unlock(&adev->pm.mutex);
1822
1823
return ret;
1824
}
1825
1826
int amdgpu_dpm_get_clock_by_type_with_voltage(struct amdgpu_device *adev,
1827
enum amd_pp_clock_type type,
1828
struct pp_clock_levels_with_voltage *clocks)
1829
{
1830
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1831
int ret = 0;
1832
1833
if (!pp_funcs->get_clock_by_type_with_voltage)
1834
return 0;
1835
1836
mutex_lock(&adev->pm.mutex);
1837
ret = pp_funcs->get_clock_by_type_with_voltage(adev->powerplay.pp_handle,
1838
type,
1839
clocks);
1840
mutex_unlock(&adev->pm.mutex);
1841
1842
return ret;
1843
}
1844
1845
int amdgpu_dpm_set_watermarks_for_clocks_ranges(struct amdgpu_device *adev,
1846
void *clock_ranges)
1847
{
1848
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1849
int ret = 0;
1850
1851
if (!pp_funcs->set_watermarks_for_clocks_ranges)
1852
return -EOPNOTSUPP;
1853
1854
mutex_lock(&adev->pm.mutex);
1855
ret = pp_funcs->set_watermarks_for_clocks_ranges(adev->powerplay.pp_handle,
1856
clock_ranges);
1857
mutex_unlock(&adev->pm.mutex);
1858
1859
return ret;
1860
}
1861
1862
int amdgpu_dpm_display_clock_voltage_request(struct amdgpu_device *adev,
1863
struct pp_display_clock_request *clock)
1864
{
1865
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1866
int ret = 0;
1867
1868
if (!pp_funcs->display_clock_voltage_request)
1869
return -EOPNOTSUPP;
1870
1871
mutex_lock(&adev->pm.mutex);
1872
ret = pp_funcs->display_clock_voltage_request(adev->powerplay.pp_handle,
1873
clock);
1874
mutex_unlock(&adev->pm.mutex);
1875
1876
return ret;
1877
}
1878
1879
int amdgpu_dpm_get_current_clocks(struct amdgpu_device *adev,
1880
struct amd_pp_clock_info *clocks)
1881
{
1882
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1883
int ret = 0;
1884
1885
if (!pp_funcs->get_current_clocks)
1886
return -EOPNOTSUPP;
1887
1888
mutex_lock(&adev->pm.mutex);
1889
ret = pp_funcs->get_current_clocks(adev->powerplay.pp_handle,
1890
clocks);
1891
mutex_unlock(&adev->pm.mutex);
1892
1893
return ret;
1894
}
1895
1896
void amdgpu_dpm_notify_smu_enable_pwe(struct amdgpu_device *adev)
1897
{
1898
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1899
1900
if (!pp_funcs->notify_smu_enable_pwe)
1901
return;
1902
1903
mutex_lock(&adev->pm.mutex);
1904
pp_funcs->notify_smu_enable_pwe(adev->powerplay.pp_handle);
1905
mutex_unlock(&adev->pm.mutex);
1906
}
1907
1908
int amdgpu_dpm_set_active_display_count(struct amdgpu_device *adev,
1909
uint32_t count)
1910
{
1911
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1912
int ret = 0;
1913
1914
if (!pp_funcs->set_active_display_count)
1915
return -EOPNOTSUPP;
1916
1917
mutex_lock(&adev->pm.mutex);
1918
ret = pp_funcs->set_active_display_count(adev->powerplay.pp_handle,
1919
count);
1920
mutex_unlock(&adev->pm.mutex);
1921
1922
return ret;
1923
}
1924
1925
int amdgpu_dpm_set_min_deep_sleep_dcefclk(struct amdgpu_device *adev,
1926
uint32_t clock)
1927
{
1928
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1929
int ret = 0;
1930
1931
if (!pp_funcs->set_min_deep_sleep_dcefclk)
1932
return -EOPNOTSUPP;
1933
1934
mutex_lock(&adev->pm.mutex);
1935
ret = pp_funcs->set_min_deep_sleep_dcefclk(adev->powerplay.pp_handle,
1936
clock);
1937
mutex_unlock(&adev->pm.mutex);
1938
1939
return ret;
1940
}
1941
1942
void amdgpu_dpm_set_hard_min_dcefclk_by_freq(struct amdgpu_device *adev,
1943
uint32_t clock)
1944
{
1945
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1946
1947
if (!pp_funcs->set_hard_min_dcefclk_by_freq)
1948
return;
1949
1950
mutex_lock(&adev->pm.mutex);
1951
pp_funcs->set_hard_min_dcefclk_by_freq(adev->powerplay.pp_handle,
1952
clock);
1953
mutex_unlock(&adev->pm.mutex);
1954
}
1955
1956
void amdgpu_dpm_set_hard_min_fclk_by_freq(struct amdgpu_device *adev,
1957
uint32_t clock)
1958
{
1959
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1960
1961
if (!pp_funcs->set_hard_min_fclk_by_freq)
1962
return;
1963
1964
mutex_lock(&adev->pm.mutex);
1965
pp_funcs->set_hard_min_fclk_by_freq(adev->powerplay.pp_handle,
1966
clock);
1967
mutex_unlock(&adev->pm.mutex);
1968
}
1969
1970
int amdgpu_dpm_display_disable_memory_clock_switch(struct amdgpu_device *adev,
1971
bool disable_memory_clock_switch)
1972
{
1973
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1974
int ret = 0;
1975
1976
if (!pp_funcs->display_disable_memory_clock_switch)
1977
return 0;
1978
1979
mutex_lock(&adev->pm.mutex);
1980
ret = pp_funcs->display_disable_memory_clock_switch(adev->powerplay.pp_handle,
1981
disable_memory_clock_switch);
1982
mutex_unlock(&adev->pm.mutex);
1983
1984
return ret;
1985
}
1986
1987
int amdgpu_dpm_get_max_sustainable_clocks_by_dc(struct amdgpu_device *adev,
1988
struct pp_smu_nv_clock_table *max_clocks)
1989
{
1990
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1991
int ret = 0;
1992
1993
if (!pp_funcs->get_max_sustainable_clocks_by_dc)
1994
return -EOPNOTSUPP;
1995
1996
mutex_lock(&adev->pm.mutex);
1997
ret = pp_funcs->get_max_sustainable_clocks_by_dc(adev->powerplay.pp_handle,
1998
max_clocks);
1999
mutex_unlock(&adev->pm.mutex);
2000
2001
return ret;
2002
}
2003
2004
enum pp_smu_status amdgpu_dpm_get_uclk_dpm_states(struct amdgpu_device *adev,
2005
unsigned int *clock_values_in_khz,
2006
unsigned int *num_states)
2007
{
2008
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
2009
int ret = 0;
2010
2011
if (!pp_funcs->get_uclk_dpm_states)
2012
return -EOPNOTSUPP;
2013
2014
mutex_lock(&adev->pm.mutex);
2015
ret = pp_funcs->get_uclk_dpm_states(adev->powerplay.pp_handle,
2016
clock_values_in_khz,
2017
num_states);
2018
mutex_unlock(&adev->pm.mutex);
2019
2020
return ret;
2021
}
2022
2023
int amdgpu_dpm_get_dpm_clock_table(struct amdgpu_device *adev,
2024
struct dpm_clocks *clock_table)
2025
{
2026
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
2027
int ret = 0;
2028
2029
if (!pp_funcs->get_dpm_clock_table)
2030
return -EOPNOTSUPP;
2031
2032
mutex_lock(&adev->pm.mutex);
2033
ret = pp_funcs->get_dpm_clock_table(adev->powerplay.pp_handle,
2034
clock_table);
2035
mutex_unlock(&adev->pm.mutex);
2036
2037
return ret;
2038
}
2039
2040
/**
2041
* amdgpu_dpm_get_xcp_metrics - Retrieve metrics for a specific compute
2042
* partition
2043
* @adev: Pointer to the device.
2044
* @xcp_id: Identifier of the XCP for which metrics are to be retrieved.
2045
* @table: Pointer to a buffer where the metrics will be stored. If NULL, the
2046
* function returns the size of the metrics structure.
2047
*
2048
* This function retrieves metrics for a specific XCP, including details such as
2049
* VCN/JPEG activity, clock frequencies, and other performance metrics. If the
2050
* table parameter is NULL, the function returns the size of the metrics
2051
* structure without populating it.
2052
*
2053
* Return: Size of the metrics structure on success, or a negative error code on failure.
2054
*/
2055
ssize_t amdgpu_dpm_get_xcp_metrics(struct amdgpu_device *adev, int xcp_id,
2056
void *table)
2057
{
2058
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
2059
int ret = 0;
2060
2061
if (!pp_funcs->get_xcp_metrics)
2062
return 0;
2063
2064
mutex_lock(&adev->pm.mutex);
2065
ret = pp_funcs->get_xcp_metrics(adev->powerplay.pp_handle, xcp_id,
2066
table);
2067
mutex_unlock(&adev->pm.mutex);
2068
2069
return ret;
2070
}
2071
2072