1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #define SWSMU_CODE_LAYER_L1
24
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/power_supply.h>
28 #include <linux/reboot.h>
29
30 #include "amdgpu.h"
31 #include "amdgpu_smu.h"
32 #include "smu_internal.h"
33 #include "atom.h"
34 #include "arcturus_ppt.h"
35 #include "navi10_ppt.h"
36 #include "sienna_cichlid_ppt.h"
37 #include "renoir_ppt.h"
38 #include "vangogh_ppt.h"
39 #include "aldebaran_ppt.h"
40 #include "yellow_carp_ppt.h"
41 #include "cyan_skillfish_ppt.h"
42 #include "smu_v13_0_0_ppt.h"
43 #include "smu_v13_0_4_ppt.h"
44 #include "smu_v13_0_5_ppt.h"
45 #include "smu_v13_0_6_ppt.h"
46 #include "smu_v13_0_7_ppt.h"
47 #include "amd_pcie.h"
48
49 /*
50 * DO NOT use these for err/warn/info/debug messages.
51 * Use dev_err, dev_warn, dev_info and dev_dbg instead.
52 * They are more MGPU friendly.
53 */
54 #undef pr_err
55 #undef pr_warn
56 #undef pr_info
57 #undef pr_debug
58
59 static const struct amd_pm_funcs swsmu_pm_funcs;
60 static int smu_force_smuclk_levels(struct smu_context *smu,
61 enum smu_clk_type clk_type,
62 uint32_t mask);
63 static int smu_handle_task(struct smu_context *smu,
64 enum amd_dpm_forced_level level,
65 enum amd_pp_task task_id);
66 static int smu_reset(struct smu_context *smu);
67 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
68 static int smu_set_fan_control_mode(void *handle, u32 value);
69 static int smu_set_power_limit(void *handle, uint32_t limit);
70 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
71 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
72 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
73
smu_sys_get_pp_feature_mask(void * handle,char * buf)74 static int smu_sys_get_pp_feature_mask(void *handle,
75 char *buf)
76 {
77 struct smu_context *smu = handle;
78
79 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
80 return -EOPNOTSUPP;
81
82 return smu_get_pp_feature_mask(smu, buf);
83 }
84
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)85 static int smu_sys_set_pp_feature_mask(void *handle,
86 uint64_t new_mask)
87 {
88 struct smu_context *smu = handle;
89
90 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
91 return -EOPNOTSUPP;
92
93 return smu_set_pp_feature_mask(smu, new_mask);
94 }
95
smu_set_residency_gfxoff(struct smu_context * smu,bool value)96 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
97 {
98 if (!smu->ppt_funcs->set_gfx_off_residency)
99 return -EINVAL;
100
101 return smu_set_gfx_off_residency(smu, value);
102 }
103
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)104 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
105 {
106 if (!smu->ppt_funcs->get_gfx_off_residency)
107 return -EINVAL;
108
109 return smu_get_gfx_off_residency(smu, value);
110 }
111
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)112 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
113 {
114 if (!smu->ppt_funcs->get_gfx_off_entrycount)
115 return -EINVAL;
116
117 return smu_get_gfx_off_entrycount(smu, value);
118 }
119
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)120 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
121 {
122 if (!smu->ppt_funcs->get_gfx_off_status)
123 return -EINVAL;
124
125 *value = smu_get_gfx_off_status(smu);
126
127 return 0;
128 }
129
smu_set_soft_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t min,uint32_t max)130 int smu_set_soft_freq_range(struct smu_context *smu,
131 enum smu_clk_type clk_type,
132 uint32_t min,
133 uint32_t max)
134 {
135 int ret = 0;
136
137 if (smu->ppt_funcs->set_soft_freq_limited_range)
138 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
139 clk_type,
140 min,
141 max);
142
143 return ret;
144 }
145
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)146 int smu_get_dpm_freq_range(struct smu_context *smu,
147 enum smu_clk_type clk_type,
148 uint32_t *min,
149 uint32_t *max)
150 {
151 int ret = -ENOTSUPP;
152
153 if (!min && !max)
154 return -EINVAL;
155
156 if (smu->ppt_funcs->get_dpm_ultimate_freq)
157 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
158 clk_type,
159 min,
160 max);
161
162 return ret;
163 }
164
smu_set_gfx_power_up_by_imu(struct smu_context * smu)165 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
166 {
167 int ret = 0;
168 struct amdgpu_device *adev = smu->adev;
169
170 if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
171 ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
172 if (ret)
173 dev_err(adev->dev, "Failed to enable gfx imu!\n");
174 }
175 return ret;
176 }
177
smu_get_mclk(void * handle,bool low)178 static u32 smu_get_mclk(void *handle, bool low)
179 {
180 struct smu_context *smu = handle;
181 uint32_t clk_freq;
182 int ret = 0;
183
184 ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
185 low ? &clk_freq : NULL,
186 !low ? &clk_freq : NULL);
187 if (ret)
188 return 0;
189 return clk_freq * 100;
190 }
191
smu_get_sclk(void * handle,bool low)192 static u32 smu_get_sclk(void *handle, bool low)
193 {
194 struct smu_context *smu = handle;
195 uint32_t clk_freq;
196 int ret = 0;
197
198 ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
199 low ? &clk_freq : NULL,
200 !low ? &clk_freq : NULL);
201 if (ret)
202 return 0;
203 return clk_freq * 100;
204 }
205
smu_set_gfx_imu_enable(struct smu_context * smu)206 static int smu_set_gfx_imu_enable(struct smu_context *smu)
207 {
208 struct amdgpu_device *adev = smu->adev;
209
210 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
211 return 0;
212
213 if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
214 return 0;
215
216 return smu_set_gfx_power_up_by_imu(smu);
217 }
218
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable)219 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
220 bool enable)
221 {
222 struct smu_power_context *smu_power = &smu->smu_power;
223 struct smu_power_gate *power_gate = &smu_power->power_gate;
224 int ret = 0;
225
226 if (!smu->ppt_funcs->dpm_set_vcn_enable)
227 return 0;
228
229 if (atomic_read(&power_gate->vcn_gated) ^ enable)
230 return 0;
231
232 ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
233 if (!ret)
234 atomic_set(&power_gate->vcn_gated, !enable);
235
236 return ret;
237 }
238
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)239 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
240 bool enable)
241 {
242 struct smu_power_context *smu_power = &smu->smu_power;
243 struct smu_power_gate *power_gate = &smu_power->power_gate;
244 int ret = 0;
245
246 if (!smu->ppt_funcs->dpm_set_jpeg_enable)
247 return 0;
248
249 if (atomic_read(&power_gate->jpeg_gated) ^ enable)
250 return 0;
251
252 ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
253 if (!ret)
254 atomic_set(&power_gate->jpeg_gated, !enable);
255
256 return ret;
257 }
258
259 /**
260 * smu_dpm_set_power_gate - power gate/ungate the specific IP block
261 *
262 * @handle: smu_context pointer
263 * @block_type: the IP block to power gate/ungate
264 * @gate: to power gate if true, ungate otherwise
265 *
266 * This API uses no smu->mutex lock protection due to:
267 * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
268 * This is guarded to be race condition free by the caller.
269 * 2. Or get called on user setting request of power_dpm_force_performance_level.
270 * Under this case, the smu->mutex lock protection is already enforced on
271 * the parent API smu_force_performance_level of the call path.
272 */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate)273 static int smu_dpm_set_power_gate(void *handle,
274 uint32_t block_type,
275 bool gate)
276 {
277 struct smu_context *smu = handle;
278 int ret = 0;
279
280 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
281 dev_WARN(smu->adev->dev,
282 "SMU uninitialized but power %s requested for %u!\n",
283 gate ? "gate" : "ungate", block_type);
284 return -EOPNOTSUPP;
285 }
286
287 switch (block_type) {
288 /*
289 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
290 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
291 */
292 case AMD_IP_BLOCK_TYPE_UVD:
293 case AMD_IP_BLOCK_TYPE_VCN:
294 ret = smu_dpm_set_vcn_enable(smu, !gate);
295 if (ret)
296 dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
297 gate ? "gate" : "ungate");
298 break;
299 case AMD_IP_BLOCK_TYPE_GFX:
300 ret = smu_gfx_off_control(smu, gate);
301 if (ret)
302 dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
303 gate ? "enable" : "disable");
304 break;
305 case AMD_IP_BLOCK_TYPE_SDMA:
306 ret = smu_powergate_sdma(smu, gate);
307 if (ret)
308 dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
309 gate ? "gate" : "ungate");
310 break;
311 case AMD_IP_BLOCK_TYPE_JPEG:
312 ret = smu_dpm_set_jpeg_enable(smu, !gate);
313 if (ret)
314 dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
315 gate ? "gate" : "ungate");
316 break;
317 default:
318 dev_err(smu->adev->dev, "Unsupported block type!\n");
319 return -EINVAL;
320 }
321
322 return ret;
323 }
324
325 /**
326 * smu_set_user_clk_dependencies - set user profile clock dependencies
327 *
328 * @smu: smu_context pointer
329 * @clk: enum smu_clk_type type
330 *
331 * Enable/Disable the clock dependency for the @clk type.
332 */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)333 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
334 {
335 if (smu->adev->in_suspend)
336 return;
337
338 if (clk == SMU_MCLK) {
339 smu->user_dpm_profile.clk_dependency = 0;
340 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
341 } else if (clk == SMU_FCLK) {
342 /* MCLK takes precedence over FCLK */
343 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
344 return;
345
346 smu->user_dpm_profile.clk_dependency = 0;
347 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
348 } else if (clk == SMU_SOCCLK) {
349 /* MCLK takes precedence over SOCCLK */
350 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
351 return;
352
353 smu->user_dpm_profile.clk_dependency = 0;
354 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
355 } else
356 /* Add clk dependencies here, if any */
357 return;
358 }
359
360 /**
361 * smu_restore_dpm_user_profile - reinstate user dpm profile
362 *
363 * @smu: smu_context pointer
364 *
365 * Restore the saved user power configurations include power limit,
366 * clock frequencies, fan control mode and fan speed.
367 */
smu_restore_dpm_user_profile(struct smu_context * smu)368 static void smu_restore_dpm_user_profile(struct smu_context *smu)
369 {
370 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
371 int ret = 0;
372
373 if (!smu->adev->in_suspend)
374 return;
375
376 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
377 return;
378
379 /* Enable restore flag */
380 smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
381
382 /* set the user dpm power limit */
383 if (smu->user_dpm_profile.power_limit) {
384 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
385 if (ret)
386 dev_err(smu->adev->dev, "Failed to set power limit value\n");
387 }
388
389 /* set the user dpm clock configurations */
390 if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
391 enum smu_clk_type clk_type;
392
393 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
394 /*
395 * Iterate over smu clk type and force the saved user clk
396 * configs, skip if clock dependency is enabled
397 */
398 if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
399 smu->user_dpm_profile.clk_mask[clk_type]) {
400 ret = smu_force_smuclk_levels(smu, clk_type,
401 smu->user_dpm_profile.clk_mask[clk_type]);
402 if (ret)
403 dev_err(smu->adev->dev,
404 "Failed to set clock type = %d\n", clk_type);
405 }
406 }
407 }
408
409 /* set the user dpm fan configurations */
410 if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
411 smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
412 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
413 if (ret != -EOPNOTSUPP) {
414 smu->user_dpm_profile.fan_speed_pwm = 0;
415 smu->user_dpm_profile.fan_speed_rpm = 0;
416 smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
417 dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
418 }
419
420 if (smu->user_dpm_profile.fan_speed_pwm) {
421 ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
422 if (ret != -EOPNOTSUPP)
423 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
424 }
425
426 if (smu->user_dpm_profile.fan_speed_rpm) {
427 ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
428 if (ret != -EOPNOTSUPP)
429 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
430 }
431 }
432
433 /* Restore user customized OD settings */
434 if (smu->user_dpm_profile.user_od) {
435 if (smu->ppt_funcs->restore_user_od_settings) {
436 ret = smu->ppt_funcs->restore_user_od_settings(smu);
437 if (ret)
438 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
439 }
440 }
441
442 /* Disable restore flag */
443 smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
444 }
445
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)446 static int smu_get_power_num_states(void *handle,
447 struct pp_states_info *state_info)
448 {
449 if (!state_info)
450 return -EINVAL;
451
452 /* not support power state */
453 memset(state_info, 0, sizeof(struct pp_states_info));
454 state_info->nums = 1;
455 state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
456
457 return 0;
458 }
459
is_support_sw_smu(struct amdgpu_device * adev)460 bool is_support_sw_smu(struct amdgpu_device *adev)
461 {
462 /* vega20 is 11.0.2, but it's supported via the powerplay code */
463 if (adev->asic_type == CHIP_VEGA20)
464 return false;
465
466 if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0))
467 return true;
468
469 return false;
470 }
471
is_support_cclk_dpm(struct amdgpu_device * adev)472 bool is_support_cclk_dpm(struct amdgpu_device *adev)
473 {
474 struct smu_context *smu = adev->powerplay.pp_handle;
475
476 if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
477 return false;
478
479 return true;
480 }
481
482
smu_sys_get_pp_table(void * handle,char ** table)483 static int smu_sys_get_pp_table(void *handle,
484 char **table)
485 {
486 struct smu_context *smu = handle;
487 struct smu_table_context *smu_table = &smu->smu_table;
488
489 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
490 return -EOPNOTSUPP;
491
492 if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
493 return -EINVAL;
494
495 if (smu_table->hardcode_pptable)
496 *table = smu_table->hardcode_pptable;
497 else
498 *table = smu_table->power_play_table;
499
500 return smu_table->power_play_table_size;
501 }
502
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)503 static int smu_sys_set_pp_table(void *handle,
504 const char *buf,
505 size_t size)
506 {
507 struct smu_context *smu = handle;
508 struct smu_table_context *smu_table = &smu->smu_table;
509 ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
510 int ret = 0;
511
512 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
513 return -EOPNOTSUPP;
514
515 if (header->usStructureSize != size) {
516 dev_err(smu->adev->dev, "pp table size not matched !\n");
517 return -EIO;
518 }
519
520 if (!smu_table->hardcode_pptable) {
521 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
522 if (!smu_table->hardcode_pptable)
523 return -ENOMEM;
524 }
525
526 memcpy(smu_table->hardcode_pptable, buf, size);
527 smu_table->power_play_table = smu_table->hardcode_pptable;
528 smu_table->power_play_table_size = size;
529
530 /*
531 * Special hw_fini action(for Navi1x, the DPMs disablement will be
532 * skipped) may be needed for custom pptable uploading.
533 */
534 smu->uploading_custom_pp_table = true;
535
536 ret = smu_reset(smu);
537 if (ret)
538 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
539
540 smu->uploading_custom_pp_table = false;
541
542 return ret;
543 }
544
smu_get_driver_allowed_feature_mask(struct smu_context * smu)545 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
546 {
547 struct smu_feature *feature = &smu->smu_feature;
548 uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
549 int ret = 0;
550
551 /*
552 * With SCPM enabled, the allowed featuremasks setting(via
553 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
554 * That means there is no way to let PMFW knows the settings below.
555 * Thus, we just assume all the features are allowed under
556 * such scenario.
557 */
558 if (smu->adev->scpm_enabled) {
559 bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
560 return 0;
561 }
562
563 bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
564
565 ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
566 SMU_FEATURE_MAX/32);
567 if (ret)
568 return ret;
569
570 bitmap_or(feature->allowed, feature->allowed,
571 (unsigned long *)allowed_feature_mask,
572 feature->feature_num);
573
574 return ret;
575 }
576
smu_set_funcs(struct amdgpu_device * adev)577 static int smu_set_funcs(struct amdgpu_device *adev)
578 {
579 struct smu_context *smu = adev->powerplay.pp_handle;
580
581 if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
582 smu->od_enabled = true;
583
584 switch (adev->ip_versions[MP1_HWIP][0]) {
585 case IP_VERSION(11, 0, 0):
586 case IP_VERSION(11, 0, 5):
587 case IP_VERSION(11, 0, 9):
588 navi10_set_ppt_funcs(smu);
589 break;
590 case IP_VERSION(11, 0, 7):
591 case IP_VERSION(11, 0, 11):
592 case IP_VERSION(11, 0, 12):
593 case IP_VERSION(11, 0, 13):
594 sienna_cichlid_set_ppt_funcs(smu);
595 break;
596 case IP_VERSION(12, 0, 0):
597 case IP_VERSION(12, 0, 1):
598 renoir_set_ppt_funcs(smu);
599 break;
600 case IP_VERSION(11, 5, 0):
601 vangogh_set_ppt_funcs(smu);
602 break;
603 case IP_VERSION(13, 0, 1):
604 case IP_VERSION(13, 0, 3):
605 case IP_VERSION(13, 0, 8):
606 yellow_carp_set_ppt_funcs(smu);
607 break;
608 case IP_VERSION(13, 0, 4):
609 case IP_VERSION(13, 0, 11):
610 smu_v13_0_4_set_ppt_funcs(smu);
611 break;
612 case IP_VERSION(13, 0, 5):
613 smu_v13_0_5_set_ppt_funcs(smu);
614 break;
615 case IP_VERSION(11, 0, 8):
616 cyan_skillfish_set_ppt_funcs(smu);
617 break;
618 case IP_VERSION(11, 0, 2):
619 adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
620 arcturus_set_ppt_funcs(smu);
621 /* OD is not supported on Arcturus */
622 smu->od_enabled = false;
623 break;
624 case IP_VERSION(13, 0, 2):
625 aldebaran_set_ppt_funcs(smu);
626 /* Enable pp_od_clk_voltage node */
627 smu->od_enabled = true;
628 break;
629 case IP_VERSION(13, 0, 0):
630 case IP_VERSION(13, 0, 10):
631 smu_v13_0_0_set_ppt_funcs(smu);
632 break;
633 case IP_VERSION(13, 0, 6):
634 smu_v13_0_6_set_ppt_funcs(smu);
635 /* Enable pp_od_clk_voltage node */
636 smu->od_enabled = true;
637 break;
638 case IP_VERSION(13, 0, 7):
639 smu_v13_0_7_set_ppt_funcs(smu);
640 break;
641 default:
642 return -EINVAL;
643 }
644
645 return 0;
646 }
647
smu_early_init(void * handle)648 static int smu_early_init(void *handle)
649 {
650 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
651 struct smu_context *smu;
652 int r;
653
654 smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
655 if (!smu)
656 return -ENOMEM;
657
658 smu->adev = adev;
659 smu->pm_enabled = !!amdgpu_dpm;
660 smu->is_apu = false;
661 smu->smu_baco.state = SMU_BACO_STATE_EXIT;
662 smu->smu_baco.platform_support = false;
663 smu->user_dpm_profile.fan_mode = -1;
664
665 mutex_init(&smu->message_lock);
666
667 adev->powerplay.pp_handle = smu;
668 adev->powerplay.pp_funcs = &swsmu_pm_funcs;
669
670 r = smu_set_funcs(adev);
671 if (r)
672 return r;
673 return smu_init_microcode(smu);
674 }
675
smu_set_default_dpm_table(struct smu_context * smu)676 static int smu_set_default_dpm_table(struct smu_context *smu)
677 {
678 struct smu_power_context *smu_power = &smu->smu_power;
679 struct smu_power_gate *power_gate = &smu_power->power_gate;
680 int vcn_gate, jpeg_gate;
681 int ret = 0;
682
683 if (!smu->ppt_funcs->set_default_dpm_table)
684 return 0;
685
686 vcn_gate = atomic_read(&power_gate->vcn_gated);
687 jpeg_gate = atomic_read(&power_gate->jpeg_gated);
688
689 ret = smu_dpm_set_vcn_enable(smu, true);
690 if (ret)
691 return ret;
692
693 ret = smu_dpm_set_jpeg_enable(smu, true);
694 if (ret)
695 goto err_out;
696
697 ret = smu->ppt_funcs->set_default_dpm_table(smu);
698 if (ret)
699 dev_err(smu->adev->dev,
700 "Failed to setup default dpm clock tables!\n");
701
702 smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
703 err_out:
704 smu_dpm_set_vcn_enable(smu, !vcn_gate);
705 return ret;
706 }
707
smu_apply_default_config_table_settings(struct smu_context * smu)708 static int smu_apply_default_config_table_settings(struct smu_context *smu)
709 {
710 struct amdgpu_device *adev = smu->adev;
711 int ret = 0;
712
713 ret = smu_get_default_config_table_settings(smu,
714 &adev->pm.config_table);
715 if (ret)
716 return ret;
717
718 return smu_set_config_table(smu, &adev->pm.config_table);
719 }
720
smu_late_init(void * handle)721 static int smu_late_init(void *handle)
722 {
723 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
724 struct smu_context *smu = adev->powerplay.pp_handle;
725 int ret = 0;
726
727 smu_set_fine_grain_gfx_freq_parameters(smu);
728
729 if (!smu->pm_enabled)
730 return 0;
731
732 ret = smu_post_init(smu);
733 if (ret) {
734 dev_err(adev->dev, "Failed to post smu init!\n");
735 return ret;
736 }
737
738 /*
739 * Explicitly notify PMFW the power mode the system in. Since
740 * the PMFW may boot the ASIC with a different mode.
741 * For those supporting ACDC switch via gpio, PMFW will
742 * handle the switch automatically. Driver involvement
743 * is unnecessary.
744 */
745 adev->pm.ac_power = power_supply_is_system_supplied() > 0;
746 smu_set_ac_dc(smu);
747
748 if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
749 (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))
750 return 0;
751
752 if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
753 ret = smu_set_default_od_settings(smu);
754 if (ret) {
755 dev_err(adev->dev, "Failed to setup default OD settings!\n");
756 return ret;
757 }
758 }
759
760 ret = smu_populate_umd_state_clk(smu);
761 if (ret) {
762 dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
763 return ret;
764 }
765
766 ret = smu_get_asic_power_limits(smu,
767 &smu->current_power_limit,
768 &smu->default_power_limit,
769 &smu->max_power_limit);
770 if (ret) {
771 dev_err(adev->dev, "Failed to get asic power limits!\n");
772 return ret;
773 }
774
775 if (!amdgpu_sriov_vf(adev))
776 smu_get_unique_id(smu);
777
778 smu_get_fan_parameters(smu);
779
780 smu_handle_task(smu,
781 smu->smu_dpm.dpm_level,
782 AMD_PP_TASK_COMPLETE_INIT);
783
784 ret = smu_apply_default_config_table_settings(smu);
785 if (ret && (ret != -EOPNOTSUPP)) {
786 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
787 return ret;
788 }
789
790 smu_restore_dpm_user_profile(smu);
791
792 return 0;
793 }
794
smu_init_fb_allocations(struct smu_context * smu)795 static int smu_init_fb_allocations(struct smu_context *smu)
796 {
797 struct amdgpu_device *adev = smu->adev;
798 struct smu_table_context *smu_table = &smu->smu_table;
799 struct smu_table *tables = smu_table->tables;
800 struct smu_table *driver_table = &(smu_table->driver_table);
801 uint32_t max_table_size = 0;
802 int ret, i;
803
804 /* VRAM allocation for tool table */
805 if (tables[SMU_TABLE_PMSTATUSLOG].size) {
806 ret = amdgpu_bo_create_kernel(adev,
807 tables[SMU_TABLE_PMSTATUSLOG].size,
808 tables[SMU_TABLE_PMSTATUSLOG].align,
809 tables[SMU_TABLE_PMSTATUSLOG].domain,
810 &tables[SMU_TABLE_PMSTATUSLOG].bo,
811 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
812 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
813 if (ret) {
814 dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
815 return ret;
816 }
817 }
818
819 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
820 /* VRAM allocation for driver table */
821 for (i = 0; i < SMU_TABLE_COUNT; i++) {
822 if (tables[i].size == 0)
823 continue;
824
825 /* If one of the tables has VRAM domain restriction, keep it in
826 * VRAM
827 */
828 if ((tables[i].domain &
829 (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
830 AMDGPU_GEM_DOMAIN_VRAM)
831 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
832
833 if (i == SMU_TABLE_PMSTATUSLOG)
834 continue;
835
836 if (max_table_size < tables[i].size)
837 max_table_size = tables[i].size;
838 }
839
840 driver_table->size = max_table_size;
841 driver_table->align = PAGE_SIZE;
842
843 ret = amdgpu_bo_create_kernel(adev,
844 driver_table->size,
845 driver_table->align,
846 driver_table->domain,
847 &driver_table->bo,
848 &driver_table->mc_address,
849 &driver_table->cpu_addr);
850 if (ret) {
851 dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
852 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
853 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
854 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
855 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
856 }
857
858 return ret;
859 }
860
smu_fini_fb_allocations(struct smu_context * smu)861 static int smu_fini_fb_allocations(struct smu_context *smu)
862 {
863 struct smu_table_context *smu_table = &smu->smu_table;
864 struct smu_table *tables = smu_table->tables;
865 struct smu_table *driver_table = &(smu_table->driver_table);
866
867 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
868 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
869 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
870 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
871
872 amdgpu_bo_free_kernel(&driver_table->bo,
873 &driver_table->mc_address,
874 &driver_table->cpu_addr);
875
876 return 0;
877 }
878
879 /**
880 * smu_alloc_memory_pool - allocate memory pool in the system memory
881 *
882 * @smu: amdgpu_device pointer
883 *
884 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
885 * and DramLogSetDramAddr can notify it changed.
886 *
887 * Returns 0 on success, error on failure.
888 */
smu_alloc_memory_pool(struct smu_context * smu)889 static int smu_alloc_memory_pool(struct smu_context *smu)
890 {
891 struct amdgpu_device *adev = smu->adev;
892 struct smu_table_context *smu_table = &smu->smu_table;
893 struct smu_table *memory_pool = &smu_table->memory_pool;
894 uint64_t pool_size = smu->pool_size;
895 int ret = 0;
896
897 if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
898 return ret;
899
900 memory_pool->size = pool_size;
901 memory_pool->align = PAGE_SIZE;
902 memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
903
904 switch (pool_size) {
905 case SMU_MEMORY_POOL_SIZE_256_MB:
906 case SMU_MEMORY_POOL_SIZE_512_MB:
907 case SMU_MEMORY_POOL_SIZE_1_GB:
908 case SMU_MEMORY_POOL_SIZE_2_GB:
909 ret = amdgpu_bo_create_kernel(adev,
910 memory_pool->size,
911 memory_pool->align,
912 memory_pool->domain,
913 &memory_pool->bo,
914 &memory_pool->mc_address,
915 &memory_pool->cpu_addr);
916 if (ret)
917 dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
918 break;
919 default:
920 break;
921 }
922
923 return ret;
924 }
925
smu_free_memory_pool(struct smu_context * smu)926 static int smu_free_memory_pool(struct smu_context *smu)
927 {
928 struct smu_table_context *smu_table = &smu->smu_table;
929 struct smu_table *memory_pool = &smu_table->memory_pool;
930
931 if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
932 return 0;
933
934 amdgpu_bo_free_kernel(&memory_pool->bo,
935 &memory_pool->mc_address,
936 &memory_pool->cpu_addr);
937
938 memset(memory_pool, 0, sizeof(struct smu_table));
939
940 return 0;
941 }
942
smu_alloc_dummy_read_table(struct smu_context * smu)943 static int smu_alloc_dummy_read_table(struct smu_context *smu)
944 {
945 struct smu_table_context *smu_table = &smu->smu_table;
946 struct smu_table *dummy_read_1_table =
947 &smu_table->dummy_read_1_table;
948 struct amdgpu_device *adev = smu->adev;
949 int ret = 0;
950
951 if (!dummy_read_1_table->size)
952 return 0;
953
954 ret = amdgpu_bo_create_kernel(adev,
955 dummy_read_1_table->size,
956 dummy_read_1_table->align,
957 dummy_read_1_table->domain,
958 &dummy_read_1_table->bo,
959 &dummy_read_1_table->mc_address,
960 &dummy_read_1_table->cpu_addr);
961 if (ret)
962 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
963
964 return ret;
965 }
966
smu_free_dummy_read_table(struct smu_context * smu)967 static void smu_free_dummy_read_table(struct smu_context *smu)
968 {
969 struct smu_table_context *smu_table = &smu->smu_table;
970 struct smu_table *dummy_read_1_table =
971 &smu_table->dummy_read_1_table;
972
973
974 amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
975 &dummy_read_1_table->mc_address,
976 &dummy_read_1_table->cpu_addr);
977
978 memset(dummy_read_1_table, 0, sizeof(struct smu_table));
979 }
980
smu_smc_table_sw_init(struct smu_context * smu)981 static int smu_smc_table_sw_init(struct smu_context *smu)
982 {
983 int ret;
984
985 /**
986 * Create smu_table structure, and init smc tables such as
987 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
988 */
989 ret = smu_init_smc_tables(smu);
990 if (ret) {
991 dev_err(smu->adev->dev, "Failed to init smc tables!\n");
992 return ret;
993 }
994
995 /**
996 * Create smu_power_context structure, and allocate smu_dpm_context and
997 * context size to fill the smu_power_context data.
998 */
999 ret = smu_init_power(smu);
1000 if (ret) {
1001 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1002 return ret;
1003 }
1004
1005 /*
1006 * allocate vram bos to store smc table contents.
1007 */
1008 ret = smu_init_fb_allocations(smu);
1009 if (ret)
1010 return ret;
1011
1012 ret = smu_alloc_memory_pool(smu);
1013 if (ret)
1014 return ret;
1015
1016 ret = smu_alloc_dummy_read_table(smu);
1017 if (ret)
1018 return ret;
1019
1020 ret = smu_i2c_init(smu);
1021 if (ret)
1022 return ret;
1023
1024 return 0;
1025 }
1026
smu_smc_table_sw_fini(struct smu_context * smu)1027 static int smu_smc_table_sw_fini(struct smu_context *smu)
1028 {
1029 int ret;
1030
1031 smu_i2c_fini(smu);
1032
1033 smu_free_dummy_read_table(smu);
1034
1035 ret = smu_free_memory_pool(smu);
1036 if (ret)
1037 return ret;
1038
1039 ret = smu_fini_fb_allocations(smu);
1040 if (ret)
1041 return ret;
1042
1043 ret = smu_fini_power(smu);
1044 if (ret) {
1045 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1046 return ret;
1047 }
1048
1049 ret = smu_fini_smc_tables(smu);
1050 if (ret) {
1051 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1052 return ret;
1053 }
1054
1055 return 0;
1056 }
1057
smu_throttling_logging_work_fn(struct work_struct * work)1058 static void smu_throttling_logging_work_fn(struct work_struct *work)
1059 {
1060 struct smu_context *smu = container_of(work, struct smu_context,
1061 throttling_logging_work);
1062
1063 smu_log_thermal_throttling(smu);
1064 }
1065
smu_interrupt_work_fn(struct work_struct * work)1066 static void smu_interrupt_work_fn(struct work_struct *work)
1067 {
1068 struct smu_context *smu = container_of(work, struct smu_context,
1069 interrupt_work);
1070
1071 if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1072 smu->ppt_funcs->interrupt_work(smu);
1073 }
1074
smu_swctf_delayed_work_handler(struct work_struct * work)1075 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1076 {
1077 struct smu_context *smu =
1078 container_of(work, struct smu_context, swctf_delayed_work.work);
1079 struct smu_temperature_range *range =
1080 &smu->thermal_range;
1081 struct amdgpu_device *adev = smu->adev;
1082 uint32_t hotspot_tmp, size;
1083
1084 /*
1085 * If the hotspot temperature is confirmed as below SW CTF setting point
1086 * after the delay enforced, nothing will be done.
1087 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1088 */
1089 if (range->software_shutdown_temp &&
1090 smu->ppt_funcs->read_sensor &&
1091 !smu->ppt_funcs->read_sensor(smu,
1092 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1093 &hotspot_tmp,
1094 &size) &&
1095 hotspot_tmp / 1000 < range->software_shutdown_temp)
1096 return;
1097
1098 dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1099 dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1100 orderly_poweroff(true);
1101 }
1102
smu_sw_init(void * handle)1103 static int smu_sw_init(void *handle)
1104 {
1105 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1106 struct smu_context *smu = adev->powerplay.pp_handle;
1107 int ret;
1108
1109 smu->pool_size = adev->pm.smu_prv_buffer_size;
1110 smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1111 bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1112 bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1113
1114 INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1115 INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1116 atomic64_set(&smu->throttle_int_counter, 0);
1117 smu->watermarks_bitmap = 0;
1118 smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1119 smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1120
1121 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1122 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1123
1124 smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1125 smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1126 smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1127 smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1128 smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1129 smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1130 smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1131 smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1132
1133 smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1134 smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1135 smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1136 smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1137 smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1138 smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1139 smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1140 smu->display_config = &adev->pm.pm_display_cfg;
1141
1142 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1143 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1144
1145 INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1146 smu_swctf_delayed_work_handler);
1147
1148 ret = smu_smc_table_sw_init(smu);
1149 if (ret) {
1150 dev_err(adev->dev, "Failed to sw init smc table!\n");
1151 return ret;
1152 }
1153
1154 /* get boot_values from vbios to set revision, gfxclk, and etc. */
1155 ret = smu_get_vbios_bootup_values(smu);
1156 if (ret) {
1157 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1158 return ret;
1159 }
1160
1161 ret = smu_init_pptable_microcode(smu);
1162 if (ret) {
1163 dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1164 return ret;
1165 }
1166
1167 ret = smu_register_irq_handler(smu);
1168 if (ret) {
1169 dev_err(adev->dev, "Failed to register smc irq handler!\n");
1170 return ret;
1171 }
1172
1173 /* If there is no way to query fan control mode, fan control is not supported */
1174 if (!smu->ppt_funcs->get_fan_control_mode)
1175 smu->adev->pm.no_fan = true;
1176
1177 return 0;
1178 }
1179
smu_sw_fini(void * handle)1180 static int smu_sw_fini(void *handle)
1181 {
1182 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1183 struct smu_context *smu = adev->powerplay.pp_handle;
1184 int ret;
1185
1186 ret = smu_smc_table_sw_fini(smu);
1187 if (ret) {
1188 dev_err(adev->dev, "Failed to sw fini smc table!\n");
1189 return ret;
1190 }
1191
1192 smu_fini_microcode(smu);
1193
1194 return 0;
1195 }
1196
smu_get_thermal_temperature_range(struct smu_context * smu)1197 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1198 {
1199 struct amdgpu_device *adev = smu->adev;
1200 struct smu_temperature_range *range =
1201 &smu->thermal_range;
1202 int ret = 0;
1203
1204 if (!smu->ppt_funcs->get_thermal_temperature_range)
1205 return 0;
1206
1207 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1208 if (ret)
1209 return ret;
1210
1211 adev->pm.dpm.thermal.min_temp = range->min;
1212 adev->pm.dpm.thermal.max_temp = range->max;
1213 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1214 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1215 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1216 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1217 adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1218 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1219 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1220
1221 return ret;
1222 }
1223
smu_smc_hw_setup(struct smu_context * smu)1224 static int smu_smc_hw_setup(struct smu_context *smu)
1225 {
1226 struct smu_feature *feature = &smu->smu_feature;
1227 struct amdgpu_device *adev = smu->adev;
1228 uint8_t pcie_gen = 0, pcie_width = 0;
1229 uint64_t features_supported;
1230 int ret = 0;
1231
1232 switch (adev->ip_versions[MP1_HWIP][0]) {
1233 case IP_VERSION(11, 0, 7):
1234 case IP_VERSION(11, 0, 11):
1235 case IP_VERSION(11, 5, 0):
1236 case IP_VERSION(11, 0, 12):
1237 if (adev->in_suspend && smu_is_dpm_running(smu)) {
1238 dev_info(adev->dev, "dpm has been enabled\n");
1239 ret = smu_system_features_control(smu, true);
1240 if (ret)
1241 dev_err(adev->dev, "Failed system features control!\n");
1242 return ret;
1243 }
1244 break;
1245 default:
1246 break;
1247 }
1248
1249 ret = smu_init_display_count(smu, 0);
1250 if (ret) {
1251 dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1252 return ret;
1253 }
1254
1255 ret = smu_set_driver_table_location(smu);
1256 if (ret) {
1257 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1258 return ret;
1259 }
1260
1261 /*
1262 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1263 */
1264 ret = smu_set_tool_table_location(smu);
1265 if (ret) {
1266 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1267 return ret;
1268 }
1269
1270 /*
1271 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1272 * pool location.
1273 */
1274 ret = smu_notify_memory_pool_location(smu);
1275 if (ret) {
1276 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1277 return ret;
1278 }
1279
1280 /*
1281 * It is assumed the pptable used before runpm is same as
1282 * the one used afterwards. Thus, we can reuse the stored
1283 * copy and do not need to resetup the pptable again.
1284 */
1285 if (!adev->in_runpm) {
1286 ret = smu_setup_pptable(smu);
1287 if (ret) {
1288 dev_err(adev->dev, "Failed to setup pptable!\n");
1289 return ret;
1290 }
1291 }
1292
1293 /* smu_dump_pptable(smu); */
1294
1295 /*
1296 * With SCPM enabled, PSP is responsible for the PPTable transferring
1297 * (to SMU). Driver involvement is not needed and permitted.
1298 */
1299 if (!adev->scpm_enabled) {
1300 /*
1301 * Copy pptable bo in the vram to smc with SMU MSGs such as
1302 * SetDriverDramAddr and TransferTableDram2Smu.
1303 */
1304 ret = smu_write_pptable(smu);
1305 if (ret) {
1306 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1307 return ret;
1308 }
1309 }
1310
1311 /* issue Run*Btc msg */
1312 ret = smu_run_btc(smu);
1313 if (ret)
1314 return ret;
1315
1316 /*
1317 * With SCPM enabled, these actions(and relevant messages) are
1318 * not needed and permitted.
1319 */
1320 if (!adev->scpm_enabled) {
1321 ret = smu_feature_set_allowed_mask(smu);
1322 if (ret) {
1323 dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1324 return ret;
1325 }
1326 }
1327
1328 ret = smu_system_features_control(smu, true);
1329 if (ret) {
1330 dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1331 return ret;
1332 }
1333
1334 ret = smu_feature_get_enabled_mask(smu, &features_supported);
1335 if (ret) {
1336 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1337 return ret;
1338 }
1339 bitmap_copy(feature->supported,
1340 (unsigned long *)&features_supported,
1341 feature->feature_num);
1342
1343 if (!smu_is_dpm_running(smu))
1344 dev_info(adev->dev, "dpm has been disabled\n");
1345
1346 /*
1347 * Set initialized values (get from vbios) to dpm tables context such as
1348 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1349 * type of clks.
1350 */
1351 ret = smu_set_default_dpm_table(smu);
1352 if (ret) {
1353 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1354 return ret;
1355 }
1356
1357 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1358 pcie_gen = 3;
1359 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1360 pcie_gen = 2;
1361 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1362 pcie_gen = 1;
1363 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1364 pcie_gen = 0;
1365
1366 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1367 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1368 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32
1369 */
1370 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1371 pcie_width = 6;
1372 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1373 pcie_width = 5;
1374 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1375 pcie_width = 4;
1376 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1377 pcie_width = 3;
1378 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1379 pcie_width = 2;
1380 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1381 pcie_width = 1;
1382 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1383 if (ret) {
1384 dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1385 return ret;
1386 }
1387
1388 ret = smu_get_thermal_temperature_range(smu);
1389 if (ret) {
1390 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1391 return ret;
1392 }
1393
1394 ret = smu_enable_thermal_alert(smu);
1395 if (ret) {
1396 dev_err(adev->dev, "Failed to enable thermal alert!\n");
1397 return ret;
1398 }
1399
1400 ret = smu_notify_display_change(smu);
1401 if (ret) {
1402 dev_err(adev->dev, "Failed to notify display change!\n");
1403 return ret;
1404 }
1405
1406 /*
1407 * Set min deep sleep dce fclk with bootup value from vbios via
1408 * SetMinDeepSleepDcefclk MSG.
1409 */
1410 ret = smu_set_min_dcef_deep_sleep(smu,
1411 smu->smu_table.boot_values.dcefclk / 100);
1412
1413 return ret;
1414 }
1415
smu_start_smc_engine(struct smu_context * smu)1416 static int smu_start_smc_engine(struct smu_context *smu)
1417 {
1418 struct amdgpu_device *adev = smu->adev;
1419 int ret = 0;
1420
1421 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1422 if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) {
1423 if (smu->ppt_funcs->load_microcode) {
1424 ret = smu->ppt_funcs->load_microcode(smu);
1425 if (ret)
1426 return ret;
1427 }
1428 }
1429 }
1430
1431 if (smu->ppt_funcs->check_fw_status) {
1432 ret = smu->ppt_funcs->check_fw_status(smu);
1433 if (ret) {
1434 dev_err(adev->dev, "SMC is not ready\n");
1435 return ret;
1436 }
1437 }
1438
1439 /*
1440 * Send msg GetDriverIfVersion to check if the return value is equal
1441 * with DRIVER_IF_VERSION of smc header.
1442 */
1443 ret = smu_check_fw_version(smu);
1444 if (ret)
1445 return ret;
1446
1447 return ret;
1448 }
1449
smu_hw_init(void * handle)1450 static int smu_hw_init(void *handle)
1451 {
1452 int ret;
1453 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1454 struct smu_context *smu = adev->powerplay.pp_handle;
1455
1456 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1457 smu->pm_enabled = false;
1458 return 0;
1459 }
1460
1461 ret = smu_start_smc_engine(smu);
1462 if (ret) {
1463 dev_err(adev->dev, "SMC engine is not correctly up!\n");
1464 return ret;
1465 }
1466
1467 if (smu->is_apu) {
1468 ret = smu_set_gfx_imu_enable(smu);
1469 if (ret)
1470 return ret;
1471 smu_dpm_set_vcn_enable(smu, true);
1472 smu_dpm_set_jpeg_enable(smu, true);
1473 smu_set_gfx_cgpg(smu, true);
1474 }
1475
1476 if (!smu->pm_enabled)
1477 return 0;
1478
1479 ret = smu_get_driver_allowed_feature_mask(smu);
1480 if (ret)
1481 return ret;
1482
1483 ret = smu_smc_hw_setup(smu);
1484 if (ret) {
1485 dev_err(adev->dev, "Failed to setup smc hw!\n");
1486 return ret;
1487 }
1488
1489 /*
1490 * Move maximum sustainable clock retrieving here considering
1491 * 1. It is not needed on resume(from S3).
1492 * 2. DAL settings come between .hw_init and .late_init of SMU.
1493 * And DAL needs to know the maximum sustainable clocks. Thus
1494 * it cannot be put in .late_init().
1495 */
1496 ret = smu_init_max_sustainable_clocks(smu);
1497 if (ret) {
1498 dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1499 return ret;
1500 }
1501
1502 adev->pm.dpm_enabled = true;
1503
1504 dev_info(adev->dev, "SMU is initialized successfully!\n");
1505
1506 return 0;
1507 }
1508
smu_disable_dpms(struct smu_context * smu)1509 static int smu_disable_dpms(struct smu_context *smu)
1510 {
1511 struct amdgpu_device *adev = smu->adev;
1512 int ret = 0;
1513 bool use_baco = !smu->is_apu &&
1514 ((amdgpu_in_reset(adev) &&
1515 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1516 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1517
1518 /*
1519 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1520 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1521 */
1522 switch (adev->ip_versions[MP1_HWIP][0]) {
1523 case IP_VERSION(13, 0, 0):
1524 case IP_VERSION(13, 0, 7):
1525 case IP_VERSION(13, 0, 10):
1526 return 0;
1527 default:
1528 break;
1529 }
1530
1531 /*
1532 * For custom pptable uploading, skip the DPM features
1533 * disable process on Navi1x ASICs.
1534 * - As the gfx related features are under control of
1535 * RLC on those ASICs. RLC reinitialization will be
1536 * needed to reenable them. That will cost much more
1537 * efforts.
1538 *
1539 * - SMU firmware can handle the DPM reenablement
1540 * properly.
1541 */
1542 if (smu->uploading_custom_pp_table) {
1543 switch (adev->ip_versions[MP1_HWIP][0]) {
1544 case IP_VERSION(11, 0, 0):
1545 case IP_VERSION(11, 0, 5):
1546 case IP_VERSION(11, 0, 9):
1547 case IP_VERSION(11, 0, 7):
1548 case IP_VERSION(11, 0, 11):
1549 case IP_VERSION(11, 5, 0):
1550 case IP_VERSION(11, 0, 12):
1551 case IP_VERSION(11, 0, 13):
1552 return 0;
1553 default:
1554 break;
1555 }
1556 }
1557
1558 /*
1559 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1560 * on BACO in. Driver involvement is unnecessary.
1561 */
1562 if (use_baco) {
1563 switch (adev->ip_versions[MP1_HWIP][0]) {
1564 case IP_VERSION(11, 0, 7):
1565 case IP_VERSION(11, 0, 0):
1566 case IP_VERSION(11, 0, 5):
1567 case IP_VERSION(11, 0, 9):
1568 case IP_VERSION(13, 0, 7):
1569 return 0;
1570 default:
1571 break;
1572 }
1573 }
1574
1575 /*
1576 * For SMU 13.0.4/11, PMFW will handle the features disablement properly
1577 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1578 */
1579 if (amdgpu_in_reset(adev) || adev->in_s0ix) {
1580 switch (adev->ip_versions[MP1_HWIP][0]) {
1581 case IP_VERSION(13, 0, 4):
1582 case IP_VERSION(13, 0, 11):
1583 return 0;
1584 default:
1585 break;
1586 }
1587 }
1588
1589 /*
1590 * For gpu reset, runpm and hibernation through BACO,
1591 * BACO feature has to be kept enabled.
1592 */
1593 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1594 ret = smu_disable_all_features_with_exception(smu,
1595 SMU_FEATURE_BACO_BIT);
1596 if (ret)
1597 dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1598 } else {
1599 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1600 if (!adev->scpm_enabled) {
1601 ret = smu_system_features_control(smu, false);
1602 if (ret)
1603 dev_err(adev->dev, "Failed to disable smu features.\n");
1604 }
1605 }
1606
1607 if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
1608 !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1609 adev->gfx.rlc.funcs->stop(adev);
1610
1611 return ret;
1612 }
1613
smu_smc_hw_cleanup(struct smu_context * smu)1614 static int smu_smc_hw_cleanup(struct smu_context *smu)
1615 {
1616 struct amdgpu_device *adev = smu->adev;
1617 int ret = 0;
1618
1619 cancel_work_sync(&smu->throttling_logging_work);
1620 cancel_work_sync(&smu->interrupt_work);
1621
1622 ret = smu_disable_thermal_alert(smu);
1623 if (ret) {
1624 dev_err(adev->dev, "Fail to disable thermal alert!\n");
1625 return ret;
1626 }
1627
1628 cancel_delayed_work_sync(&smu->swctf_delayed_work);
1629
1630 ret = smu_disable_dpms(smu);
1631 if (ret) {
1632 dev_err(adev->dev, "Fail to disable dpm features!\n");
1633 return ret;
1634 }
1635
1636 return 0;
1637 }
1638
smu_hw_fini(void * handle)1639 static int smu_hw_fini(void *handle)
1640 {
1641 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1642 struct smu_context *smu = adev->powerplay.pp_handle;
1643
1644 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1645 return 0;
1646
1647 smu_dpm_set_vcn_enable(smu, false);
1648 smu_dpm_set_jpeg_enable(smu, false);
1649
1650 adev->vcn.cur_state = AMD_PG_STATE_GATE;
1651 adev->jpeg.cur_state = AMD_PG_STATE_GATE;
1652
1653 if (!smu->pm_enabled)
1654 return 0;
1655
1656 adev->pm.dpm_enabled = false;
1657
1658 return smu_smc_hw_cleanup(smu);
1659 }
1660
smu_late_fini(void * handle)1661 static void smu_late_fini(void *handle)
1662 {
1663 struct amdgpu_device *adev = handle;
1664 struct smu_context *smu = adev->powerplay.pp_handle;
1665
1666 kfree(smu);
1667 }
1668
smu_reset(struct smu_context * smu)1669 static int smu_reset(struct smu_context *smu)
1670 {
1671 struct amdgpu_device *adev = smu->adev;
1672 int ret;
1673
1674 ret = smu_hw_fini(adev);
1675 if (ret)
1676 return ret;
1677
1678 ret = smu_hw_init(adev);
1679 if (ret)
1680 return ret;
1681
1682 ret = smu_late_init(adev);
1683 if (ret)
1684 return ret;
1685
1686 return 0;
1687 }
1688
smu_suspend(void * handle)1689 static int smu_suspend(void *handle)
1690 {
1691 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1692 struct smu_context *smu = adev->powerplay.pp_handle;
1693 int ret;
1694 uint64_t count;
1695
1696 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1697 return 0;
1698
1699 if (!smu->pm_enabled)
1700 return 0;
1701
1702 adev->pm.dpm_enabled = false;
1703
1704 ret = smu_smc_hw_cleanup(smu);
1705 if (ret)
1706 return ret;
1707
1708 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
1709
1710 smu_set_gfx_cgpg(smu, false);
1711
1712 /*
1713 * pwfw resets entrycount when device is suspended, so we save the
1714 * last value to be used when we resume to keep it consistent
1715 */
1716 ret = smu_get_entrycount_gfxoff(smu, &count);
1717 if (!ret)
1718 adev->gfx.gfx_off_entrycount = count;
1719
1720 return 0;
1721 }
1722
smu_resume(void * handle)1723 static int smu_resume(void *handle)
1724 {
1725 int ret;
1726 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1727 struct smu_context *smu = adev->powerplay.pp_handle;
1728
1729 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1730 return 0;
1731
1732 if (!smu->pm_enabled)
1733 return 0;
1734
1735 dev_info(adev->dev, "SMU is resuming...\n");
1736
1737 ret = smu_start_smc_engine(smu);
1738 if (ret) {
1739 dev_err(adev->dev, "SMC engine is not correctly up!\n");
1740 return ret;
1741 }
1742
1743 ret = smu_smc_hw_setup(smu);
1744 if (ret) {
1745 dev_err(adev->dev, "Failed to setup smc hw!\n");
1746 return ret;
1747 }
1748
1749 ret = smu_set_gfx_imu_enable(smu);
1750 if (ret)
1751 return ret;
1752
1753 smu_set_gfx_cgpg(smu, true);
1754
1755 smu->disable_uclk_switch = 0;
1756
1757 adev->pm.dpm_enabled = true;
1758
1759 dev_info(adev->dev, "SMU is resumed successfully!\n");
1760
1761 return 0;
1762 }
1763
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)1764 static int smu_display_configuration_change(void *handle,
1765 const struct amd_pp_display_configuration *display_config)
1766 {
1767 struct smu_context *smu = handle;
1768
1769 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1770 return -EOPNOTSUPP;
1771
1772 if (!display_config)
1773 return -EINVAL;
1774
1775 smu_set_min_dcef_deep_sleep(smu,
1776 display_config->min_dcef_deep_sleep_set_clk / 100);
1777
1778 return 0;
1779 }
1780
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)1781 static int smu_set_clockgating_state(void *handle,
1782 enum amd_clockgating_state state)
1783 {
1784 return 0;
1785 }
1786
smu_set_powergating_state(void * handle,enum amd_powergating_state state)1787 static int smu_set_powergating_state(void *handle,
1788 enum amd_powergating_state state)
1789 {
1790 return 0;
1791 }
1792
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)1793 static int smu_enable_umd_pstate(void *handle,
1794 enum amd_dpm_forced_level *level)
1795 {
1796 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
1797 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
1798 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
1799 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
1800
1801 struct smu_context *smu = (struct smu_context*)(handle);
1802 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1803
1804 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1805 return -EINVAL;
1806
1807 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
1808 /* enter umd pstate, save current level, disable gfx cg*/
1809 if (*level & profile_mode_mask) {
1810 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
1811 smu_gpo_control(smu, false);
1812 smu_gfx_ulv_control(smu, false);
1813 smu_deep_sleep_control(smu, false);
1814 amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
1815 }
1816 } else {
1817 /* exit umd pstate, restore level, enable gfx cg*/
1818 if (!(*level & profile_mode_mask)) {
1819 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
1820 *level = smu_dpm_ctx->saved_dpm_level;
1821 amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
1822 smu_deep_sleep_control(smu, true);
1823 smu_gfx_ulv_control(smu, true);
1824 smu_gpo_control(smu, true);
1825 }
1826 }
1827
1828 return 0;
1829 }
1830
smu_bump_power_profile_mode(struct smu_context * smu,long * param,uint32_t param_size)1831 static int smu_bump_power_profile_mode(struct smu_context *smu,
1832 long *param,
1833 uint32_t param_size)
1834 {
1835 int ret = 0;
1836
1837 if (smu->ppt_funcs->set_power_profile_mode)
1838 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
1839
1840 return ret;
1841 }
1842
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings)1843 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
1844 enum amd_dpm_forced_level level,
1845 bool skip_display_settings)
1846 {
1847 int ret = 0;
1848 int index = 0;
1849 long workload[1];
1850 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1851
1852 if (!skip_display_settings) {
1853 ret = smu_display_config_changed(smu);
1854 if (ret) {
1855 dev_err(smu->adev->dev, "Failed to change display config!");
1856 return ret;
1857 }
1858 }
1859
1860 ret = smu_apply_clocks_adjust_rules(smu);
1861 if (ret) {
1862 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
1863 return ret;
1864 }
1865
1866 if (!skip_display_settings) {
1867 ret = smu_notify_smc_display_config(smu);
1868 if (ret) {
1869 dev_err(smu->adev->dev, "Failed to notify smc display config!");
1870 return ret;
1871 }
1872 }
1873
1874 if (smu_dpm_ctx->dpm_level != level) {
1875 ret = smu_asic_set_performance_level(smu, level);
1876 if (ret) {
1877 dev_err(smu->adev->dev, "Failed to set performance level!");
1878 return ret;
1879 }
1880
1881 /* update the saved copy */
1882 smu_dpm_ctx->dpm_level = level;
1883 }
1884
1885 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1886 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
1887 index = fls(smu->workload_mask);
1888 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1889 workload[0] = smu->workload_setting[index];
1890
1891 if (smu->power_profile_mode != workload[0])
1892 smu_bump_power_profile_mode(smu, workload, 0);
1893 }
1894
1895 return ret;
1896 }
1897
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)1898 static int smu_handle_task(struct smu_context *smu,
1899 enum amd_dpm_forced_level level,
1900 enum amd_pp_task task_id)
1901 {
1902 int ret = 0;
1903
1904 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1905 return -EOPNOTSUPP;
1906
1907 switch (task_id) {
1908 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
1909 ret = smu_pre_display_config_changed(smu);
1910 if (ret)
1911 return ret;
1912 ret = smu_adjust_power_state_dynamic(smu, level, false);
1913 break;
1914 case AMD_PP_TASK_COMPLETE_INIT:
1915 case AMD_PP_TASK_READJUST_POWER_STATE:
1916 ret = smu_adjust_power_state_dynamic(smu, level, true);
1917 break;
1918 default:
1919 break;
1920 }
1921
1922 return ret;
1923 }
1924
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)1925 static int smu_handle_dpm_task(void *handle,
1926 enum amd_pp_task task_id,
1927 enum amd_pm_state_type *user_state)
1928 {
1929 struct smu_context *smu = handle;
1930 struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
1931
1932 return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
1933
1934 }
1935
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool en)1936 static int smu_switch_power_profile(void *handle,
1937 enum PP_SMC_POWER_PROFILE type,
1938 bool en)
1939 {
1940 struct smu_context *smu = handle;
1941 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1942 long workload[1];
1943 uint32_t index;
1944
1945 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1946 return -EOPNOTSUPP;
1947
1948 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
1949 return -EINVAL;
1950
1951 if (!en) {
1952 smu->workload_mask &= ~(1 << smu->workload_prority[type]);
1953 index = fls(smu->workload_mask);
1954 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1955 workload[0] = smu->workload_setting[index];
1956 } else {
1957 smu->workload_mask |= (1 << smu->workload_prority[type]);
1958 index = fls(smu->workload_mask);
1959 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1960 workload[0] = smu->workload_setting[index];
1961 }
1962
1963 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1964 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
1965 smu_bump_power_profile_mode(smu, workload, 0);
1966
1967 return 0;
1968 }
1969
smu_get_performance_level(void * handle)1970 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
1971 {
1972 struct smu_context *smu = handle;
1973 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1974
1975 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1976 return -EOPNOTSUPP;
1977
1978 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1979 return -EINVAL;
1980
1981 return smu_dpm_ctx->dpm_level;
1982 }
1983
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)1984 static int smu_force_performance_level(void *handle,
1985 enum amd_dpm_forced_level level)
1986 {
1987 struct smu_context *smu = handle;
1988 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1989 int ret = 0;
1990
1991 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1992 return -EOPNOTSUPP;
1993
1994 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1995 return -EINVAL;
1996
1997 ret = smu_enable_umd_pstate(smu, &level);
1998 if (ret)
1999 return ret;
2000
2001 ret = smu_handle_task(smu, level,
2002 AMD_PP_TASK_READJUST_POWER_STATE);
2003
2004 /* reset user dpm clock state */
2005 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2006 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2007 smu->user_dpm_profile.clk_dependency = 0;
2008 }
2009
2010 return ret;
2011 }
2012
smu_set_display_count(void * handle,uint32_t count)2013 static int smu_set_display_count(void *handle, uint32_t count)
2014 {
2015 struct smu_context *smu = handle;
2016
2017 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2018 return -EOPNOTSUPP;
2019
2020 return smu_init_display_count(smu, count);
2021 }
2022
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2023 static int smu_force_smuclk_levels(struct smu_context *smu,
2024 enum smu_clk_type clk_type,
2025 uint32_t mask)
2026 {
2027 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2028 int ret = 0;
2029
2030 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2031 return -EOPNOTSUPP;
2032
2033 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2034 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2035 return -EINVAL;
2036 }
2037
2038 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2039 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2040 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2041 smu->user_dpm_profile.clk_mask[clk_type] = mask;
2042 smu_set_user_clk_dependencies(smu, clk_type);
2043 }
2044 }
2045
2046 return ret;
2047 }
2048
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2049 static int smu_force_ppclk_levels(void *handle,
2050 enum pp_clock_type type,
2051 uint32_t mask)
2052 {
2053 struct smu_context *smu = handle;
2054 enum smu_clk_type clk_type;
2055
2056 switch (type) {
2057 case PP_SCLK:
2058 clk_type = SMU_SCLK; break;
2059 case PP_MCLK:
2060 clk_type = SMU_MCLK; break;
2061 case PP_PCIE:
2062 clk_type = SMU_PCIE; break;
2063 case PP_SOCCLK:
2064 clk_type = SMU_SOCCLK; break;
2065 case PP_FCLK:
2066 clk_type = SMU_FCLK; break;
2067 case PP_DCEFCLK:
2068 clk_type = SMU_DCEFCLK; break;
2069 case PP_VCLK:
2070 clk_type = SMU_VCLK; break;
2071 case PP_VCLK1:
2072 clk_type = SMU_VCLK1; break;
2073 case PP_DCLK:
2074 clk_type = SMU_DCLK; break;
2075 case PP_DCLK1:
2076 clk_type = SMU_DCLK1; break;
2077 case OD_SCLK:
2078 clk_type = SMU_OD_SCLK; break;
2079 case OD_MCLK:
2080 clk_type = SMU_OD_MCLK; break;
2081 case OD_VDDC_CURVE:
2082 clk_type = SMU_OD_VDDC_CURVE; break;
2083 case OD_RANGE:
2084 clk_type = SMU_OD_RANGE; break;
2085 default:
2086 return -EINVAL;
2087 }
2088
2089 return smu_force_smuclk_levels(smu, clk_type, mask);
2090 }
2091
2092 /*
2093 * On system suspending or resetting, the dpm_enabled
2094 * flag will be cleared. So that those SMU services which
2095 * are not supported will be gated.
2096 * However, the mp1 state setting should still be granted
2097 * even if the dpm_enabled cleared.
2098 */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2099 static int smu_set_mp1_state(void *handle,
2100 enum pp_mp1_state mp1_state)
2101 {
2102 struct smu_context *smu = handle;
2103 int ret = 0;
2104
2105 if (!smu->pm_enabled)
2106 return -EOPNOTSUPP;
2107
2108 if (smu->ppt_funcs &&
2109 smu->ppt_funcs->set_mp1_state)
2110 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2111
2112 return ret;
2113 }
2114
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2115 static int smu_set_df_cstate(void *handle,
2116 enum pp_df_cstate state)
2117 {
2118 struct smu_context *smu = handle;
2119 int ret = 0;
2120
2121 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2122 return -EOPNOTSUPP;
2123
2124 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2125 return 0;
2126
2127 ret = smu->ppt_funcs->set_df_cstate(smu, state);
2128 if (ret)
2129 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2130
2131 return ret;
2132 }
2133
smu_allow_xgmi_power_down(struct smu_context * smu,bool en)2134 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
2135 {
2136 int ret = 0;
2137
2138 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2139 return -EOPNOTSUPP;
2140
2141 if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
2142 return 0;
2143
2144 ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
2145 if (ret)
2146 dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n");
2147
2148 return ret;
2149 }
2150
smu_write_watermarks_table(struct smu_context * smu)2151 int smu_write_watermarks_table(struct smu_context *smu)
2152 {
2153 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2154 return -EOPNOTSUPP;
2155
2156 return smu_set_watermarks_table(smu, NULL);
2157 }
2158
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2159 static int smu_set_watermarks_for_clock_ranges(void *handle,
2160 struct pp_smu_wm_range_sets *clock_ranges)
2161 {
2162 struct smu_context *smu = handle;
2163
2164 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2165 return -EOPNOTSUPP;
2166
2167 if (smu->disable_watermark)
2168 return 0;
2169
2170 return smu_set_watermarks_table(smu, clock_ranges);
2171 }
2172
smu_set_ac_dc(struct smu_context * smu)2173 int smu_set_ac_dc(struct smu_context *smu)
2174 {
2175 int ret = 0;
2176
2177 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2178 return -EOPNOTSUPP;
2179
2180 /* controlled by firmware */
2181 if (smu->dc_controlled_by_gpio)
2182 return 0;
2183
2184 ret = smu_set_power_source(smu,
2185 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2186 SMU_POWER_SOURCE_DC);
2187 if (ret)
2188 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2189 smu->adev->pm.ac_power ? "AC" : "DC");
2190
2191 return ret;
2192 }
2193
2194 const struct amd_ip_funcs smu_ip_funcs = {
2195 .name = "smu",
2196 .early_init = smu_early_init,
2197 .late_init = smu_late_init,
2198 .sw_init = smu_sw_init,
2199 .sw_fini = smu_sw_fini,
2200 .hw_init = smu_hw_init,
2201 .hw_fini = smu_hw_fini,
2202 .late_fini = smu_late_fini,
2203 .suspend = smu_suspend,
2204 .resume = smu_resume,
2205 .is_idle = NULL,
2206 .check_soft_reset = NULL,
2207 .wait_for_idle = NULL,
2208 .soft_reset = NULL,
2209 .set_clockgating_state = smu_set_clockgating_state,
2210 .set_powergating_state = smu_set_powergating_state,
2211 };
2212
2213 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2214 .type = AMD_IP_BLOCK_TYPE_SMC,
2215 .major = 11,
2216 .minor = 0,
2217 .rev = 0,
2218 .funcs = &smu_ip_funcs,
2219 };
2220
2221 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2222 .type = AMD_IP_BLOCK_TYPE_SMC,
2223 .major = 12,
2224 .minor = 0,
2225 .rev = 0,
2226 .funcs = &smu_ip_funcs,
2227 };
2228
2229 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2230 .type = AMD_IP_BLOCK_TYPE_SMC,
2231 .major = 13,
2232 .minor = 0,
2233 .rev = 0,
2234 .funcs = &smu_ip_funcs,
2235 };
2236
smu_load_microcode(void * handle)2237 static int smu_load_microcode(void *handle)
2238 {
2239 struct smu_context *smu = handle;
2240 struct amdgpu_device *adev = smu->adev;
2241 int ret = 0;
2242
2243 if (!smu->pm_enabled)
2244 return -EOPNOTSUPP;
2245
2246 /* This should be used for non PSP loading */
2247 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2248 return 0;
2249
2250 if (smu->ppt_funcs->load_microcode) {
2251 ret = smu->ppt_funcs->load_microcode(smu);
2252 if (ret) {
2253 dev_err(adev->dev, "Load microcode failed\n");
2254 return ret;
2255 }
2256 }
2257
2258 if (smu->ppt_funcs->check_fw_status) {
2259 ret = smu->ppt_funcs->check_fw_status(smu);
2260 if (ret) {
2261 dev_err(adev->dev, "SMC is not ready\n");
2262 return ret;
2263 }
2264 }
2265
2266 return ret;
2267 }
2268
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2269 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2270 {
2271 int ret = 0;
2272
2273 if (smu->ppt_funcs->set_gfx_cgpg)
2274 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2275
2276 return ret;
2277 }
2278
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2279 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2280 {
2281 struct smu_context *smu = handle;
2282 int ret = 0;
2283
2284 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2285 return -EOPNOTSUPP;
2286
2287 if (!smu->ppt_funcs->set_fan_speed_rpm)
2288 return -EOPNOTSUPP;
2289
2290 if (speed == U32_MAX)
2291 return -EINVAL;
2292
2293 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2294 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2295 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2296 smu->user_dpm_profile.fan_speed_rpm = speed;
2297
2298 /* Override custom PWM setting as they cannot co-exist */
2299 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2300 smu->user_dpm_profile.fan_speed_pwm = 0;
2301 }
2302
2303 return ret;
2304 }
2305
2306 /**
2307 * smu_get_power_limit - Request one of the SMU Power Limits
2308 *
2309 * @handle: pointer to smu context
2310 * @limit: requested limit is written back to this variable
2311 * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2312 * @pp_power_type: &pp_power_type type of power
2313 * Return: 0 on success, <0 on error
2314 *
2315 */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2316 int smu_get_power_limit(void *handle,
2317 uint32_t *limit,
2318 enum pp_power_limit_level pp_limit_level,
2319 enum pp_power_type pp_power_type)
2320 {
2321 struct smu_context *smu = handle;
2322 struct amdgpu_device *adev = smu->adev;
2323 enum smu_ppt_limit_level limit_level;
2324 uint32_t limit_type;
2325 int ret = 0;
2326
2327 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2328 return -EOPNOTSUPP;
2329
2330 switch (pp_power_type) {
2331 case PP_PWR_TYPE_SUSTAINED:
2332 limit_type = SMU_DEFAULT_PPT_LIMIT;
2333 break;
2334 case PP_PWR_TYPE_FAST:
2335 limit_type = SMU_FAST_PPT_LIMIT;
2336 break;
2337 default:
2338 return -EOPNOTSUPP;
2339 break;
2340 }
2341
2342 switch (pp_limit_level) {
2343 case PP_PWR_LIMIT_CURRENT:
2344 limit_level = SMU_PPT_LIMIT_CURRENT;
2345 break;
2346 case PP_PWR_LIMIT_DEFAULT:
2347 limit_level = SMU_PPT_LIMIT_DEFAULT;
2348 break;
2349 case PP_PWR_LIMIT_MAX:
2350 limit_level = SMU_PPT_LIMIT_MAX;
2351 break;
2352 case PP_PWR_LIMIT_MIN:
2353 default:
2354 return -EOPNOTSUPP;
2355 break;
2356 }
2357
2358 if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2359 if (smu->ppt_funcs->get_ppt_limit)
2360 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2361 } else {
2362 switch (limit_level) {
2363 case SMU_PPT_LIMIT_CURRENT:
2364 switch (adev->ip_versions[MP1_HWIP][0]) {
2365 case IP_VERSION(13, 0, 2):
2366 case IP_VERSION(11, 0, 7):
2367 case IP_VERSION(11, 0, 11):
2368 case IP_VERSION(11, 0, 12):
2369 case IP_VERSION(11, 0, 13):
2370 ret = smu_get_asic_power_limits(smu,
2371 &smu->current_power_limit,
2372 NULL,
2373 NULL);
2374 break;
2375 default:
2376 break;
2377 }
2378 *limit = smu->current_power_limit;
2379 break;
2380 case SMU_PPT_LIMIT_DEFAULT:
2381 *limit = smu->default_power_limit;
2382 break;
2383 case SMU_PPT_LIMIT_MAX:
2384 *limit = smu->max_power_limit;
2385 break;
2386 default:
2387 break;
2388 }
2389 }
2390
2391 return ret;
2392 }
2393
smu_set_power_limit(void * handle,uint32_t limit)2394 static int smu_set_power_limit(void *handle, uint32_t limit)
2395 {
2396 struct smu_context *smu = handle;
2397 uint32_t limit_type = limit >> 24;
2398 int ret = 0;
2399
2400 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2401 return -EOPNOTSUPP;
2402
2403 limit &= (1<<24)-1;
2404 if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2405 if (smu->ppt_funcs->set_power_limit)
2406 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2407
2408 if (limit > smu->max_power_limit) {
2409 dev_err(smu->adev->dev,
2410 "New power limit (%d) is over the max allowed %d\n",
2411 limit, smu->max_power_limit);
2412 return -EINVAL;
2413 }
2414
2415 if (!limit)
2416 limit = smu->current_power_limit;
2417
2418 if (smu->ppt_funcs->set_power_limit) {
2419 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2420 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2421 smu->user_dpm_profile.power_limit = limit;
2422 }
2423
2424 return ret;
2425 }
2426
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2427 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2428 {
2429 int ret = 0;
2430
2431 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2432 return -EOPNOTSUPP;
2433
2434 if (smu->ppt_funcs->print_clk_levels)
2435 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2436
2437 return ret;
2438 }
2439
smu_convert_to_smuclk(enum pp_clock_type type)2440 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2441 {
2442 enum smu_clk_type clk_type;
2443
2444 switch (type) {
2445 case PP_SCLK:
2446 clk_type = SMU_SCLK; break;
2447 case PP_MCLK:
2448 clk_type = SMU_MCLK; break;
2449 case PP_PCIE:
2450 clk_type = SMU_PCIE; break;
2451 case PP_SOCCLK:
2452 clk_type = SMU_SOCCLK; break;
2453 case PP_FCLK:
2454 clk_type = SMU_FCLK; break;
2455 case PP_DCEFCLK:
2456 clk_type = SMU_DCEFCLK; break;
2457 case PP_VCLK:
2458 clk_type = SMU_VCLK; break;
2459 case PP_VCLK1:
2460 clk_type = SMU_VCLK1; break;
2461 case PP_DCLK:
2462 clk_type = SMU_DCLK; break;
2463 case PP_DCLK1:
2464 clk_type = SMU_DCLK1; break;
2465 case OD_SCLK:
2466 clk_type = SMU_OD_SCLK; break;
2467 case OD_MCLK:
2468 clk_type = SMU_OD_MCLK; break;
2469 case OD_VDDC_CURVE:
2470 clk_type = SMU_OD_VDDC_CURVE; break;
2471 case OD_RANGE:
2472 clk_type = SMU_OD_RANGE; break;
2473 case OD_VDDGFX_OFFSET:
2474 clk_type = SMU_OD_VDDGFX_OFFSET; break;
2475 case OD_CCLK:
2476 clk_type = SMU_OD_CCLK; break;
2477 default:
2478 clk_type = SMU_CLK_COUNT; break;
2479 }
2480
2481 return clk_type;
2482 }
2483
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2484 static int smu_print_ppclk_levels(void *handle,
2485 enum pp_clock_type type,
2486 char *buf)
2487 {
2488 struct smu_context *smu = handle;
2489 enum smu_clk_type clk_type;
2490
2491 clk_type = smu_convert_to_smuclk(type);
2492 if (clk_type == SMU_CLK_COUNT)
2493 return -EINVAL;
2494
2495 return smu_print_smuclk_levels(smu, clk_type, buf);
2496 }
2497
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2498 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2499 {
2500 struct smu_context *smu = handle;
2501 enum smu_clk_type clk_type;
2502
2503 clk_type = smu_convert_to_smuclk(type);
2504 if (clk_type == SMU_CLK_COUNT)
2505 return -EINVAL;
2506
2507 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2508 return -EOPNOTSUPP;
2509
2510 if (!smu->ppt_funcs->emit_clk_levels)
2511 return -ENOENT;
2512
2513 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2514
2515 }
2516
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2517 static int smu_od_edit_dpm_table(void *handle,
2518 enum PP_OD_DPM_TABLE_COMMAND type,
2519 long *input, uint32_t size)
2520 {
2521 struct smu_context *smu = handle;
2522 int ret = 0;
2523
2524 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2525 return -EOPNOTSUPP;
2526
2527 if (smu->ppt_funcs->od_edit_dpm_table) {
2528 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2529 }
2530
2531 return ret;
2532 }
2533
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2534 static int smu_read_sensor(void *handle,
2535 int sensor,
2536 void *data,
2537 int *size_arg)
2538 {
2539 struct smu_context *smu = handle;
2540 struct smu_umd_pstate_table *pstate_table =
2541 &smu->pstate_table;
2542 int ret = 0;
2543 uint32_t *size, size_val;
2544
2545 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2546 return -EOPNOTSUPP;
2547
2548 if (!data || !size_arg)
2549 return -EINVAL;
2550
2551 size_val = *size_arg;
2552 size = &size_val;
2553
2554 if (smu->ppt_funcs->read_sensor)
2555 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2556 goto unlock;
2557
2558 switch (sensor) {
2559 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2560 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2561 *size = 4;
2562 break;
2563 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2564 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2565 *size = 4;
2566 break;
2567 case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2568 *((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2569 *size = 4;
2570 break;
2571 case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2572 *((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2573 *size = 4;
2574 break;
2575 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2576 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2577 *size = 8;
2578 break;
2579 case AMDGPU_PP_SENSOR_UVD_POWER:
2580 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2581 *size = 4;
2582 break;
2583 case AMDGPU_PP_SENSOR_VCE_POWER:
2584 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2585 *size = 4;
2586 break;
2587 case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2588 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
2589 *size = 4;
2590 break;
2591 case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2592 *(uint32_t *)data = 0;
2593 *size = 4;
2594 break;
2595 default:
2596 *size = 0;
2597 ret = -EOPNOTSUPP;
2598 break;
2599 }
2600
2601 unlock:
2602 // assign uint32_t to int
2603 *size_arg = size_val;
2604
2605 return ret;
2606 }
2607
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)2608 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
2609 {
2610 int ret = -EINVAL;
2611 struct smu_context *smu = handle;
2612
2613 if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
2614 ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
2615
2616 return ret;
2617 }
2618
smu_set_apu_thermal_limit(void * handle,uint32_t limit)2619 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
2620 {
2621 int ret = -EINVAL;
2622 struct smu_context *smu = handle;
2623
2624 if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
2625 ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
2626
2627 return ret;
2628 }
2629
smu_get_power_profile_mode(void * handle,char * buf)2630 static int smu_get_power_profile_mode(void *handle, char *buf)
2631 {
2632 struct smu_context *smu = handle;
2633
2634 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2635 !smu->ppt_funcs->get_power_profile_mode)
2636 return -EOPNOTSUPP;
2637 if (!buf)
2638 return -EINVAL;
2639
2640 return smu->ppt_funcs->get_power_profile_mode(smu, buf);
2641 }
2642
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)2643 static int smu_set_power_profile_mode(void *handle,
2644 long *param,
2645 uint32_t param_size)
2646 {
2647 struct smu_context *smu = handle;
2648
2649 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2650 !smu->ppt_funcs->set_power_profile_mode)
2651 return -EOPNOTSUPP;
2652
2653 return smu_bump_power_profile_mode(smu, param, param_size);
2654 }
2655
smu_get_fan_control_mode(void * handle,u32 * fan_mode)2656 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
2657 {
2658 struct smu_context *smu = handle;
2659
2660 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2661 return -EOPNOTSUPP;
2662
2663 if (!smu->ppt_funcs->get_fan_control_mode)
2664 return -EOPNOTSUPP;
2665
2666 if (!fan_mode)
2667 return -EINVAL;
2668
2669 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
2670
2671 return 0;
2672 }
2673
smu_set_fan_control_mode(void * handle,u32 value)2674 static int smu_set_fan_control_mode(void *handle, u32 value)
2675 {
2676 struct smu_context *smu = handle;
2677 int ret = 0;
2678
2679 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2680 return -EOPNOTSUPP;
2681
2682 if (!smu->ppt_funcs->set_fan_control_mode)
2683 return -EOPNOTSUPP;
2684
2685 if (value == U32_MAX)
2686 return -EINVAL;
2687
2688 ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
2689 if (ret)
2690 goto out;
2691
2692 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2693 smu->user_dpm_profile.fan_mode = value;
2694
2695 /* reset user dpm fan speed */
2696 if (value != AMD_FAN_CTRL_MANUAL) {
2697 smu->user_dpm_profile.fan_speed_pwm = 0;
2698 smu->user_dpm_profile.fan_speed_rpm = 0;
2699 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
2700 }
2701 }
2702
2703 out:
2704 return ret;
2705 }
2706
smu_get_fan_speed_pwm(void * handle,u32 * speed)2707 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
2708 {
2709 struct smu_context *smu = handle;
2710 int ret = 0;
2711
2712 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2713 return -EOPNOTSUPP;
2714
2715 if (!smu->ppt_funcs->get_fan_speed_pwm)
2716 return -EOPNOTSUPP;
2717
2718 if (!speed)
2719 return -EINVAL;
2720
2721 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
2722
2723 return ret;
2724 }
2725
smu_set_fan_speed_pwm(void * handle,u32 speed)2726 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
2727 {
2728 struct smu_context *smu = handle;
2729 int ret = 0;
2730
2731 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2732 return -EOPNOTSUPP;
2733
2734 if (!smu->ppt_funcs->set_fan_speed_pwm)
2735 return -EOPNOTSUPP;
2736
2737 if (speed == U32_MAX)
2738 return -EINVAL;
2739
2740 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
2741 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2742 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
2743 smu->user_dpm_profile.fan_speed_pwm = speed;
2744
2745 /* Override custom RPM setting as they cannot co-exist */
2746 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
2747 smu->user_dpm_profile.fan_speed_rpm = 0;
2748 }
2749
2750 return ret;
2751 }
2752
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)2753 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
2754 {
2755 struct smu_context *smu = handle;
2756 int ret = 0;
2757
2758 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2759 return -EOPNOTSUPP;
2760
2761 if (!smu->ppt_funcs->get_fan_speed_rpm)
2762 return -EOPNOTSUPP;
2763
2764 if (!speed)
2765 return -EINVAL;
2766
2767 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
2768
2769 return ret;
2770 }
2771
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)2772 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
2773 {
2774 struct smu_context *smu = handle;
2775
2776 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2777 return -EOPNOTSUPP;
2778
2779 return smu_set_min_dcef_deep_sleep(smu, clk);
2780 }
2781
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)2782 static int smu_get_clock_by_type_with_latency(void *handle,
2783 enum amd_pp_clock_type type,
2784 struct pp_clock_levels_with_latency *clocks)
2785 {
2786 struct smu_context *smu = handle;
2787 enum smu_clk_type clk_type;
2788 int ret = 0;
2789
2790 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2791 return -EOPNOTSUPP;
2792
2793 if (smu->ppt_funcs->get_clock_by_type_with_latency) {
2794 switch (type) {
2795 case amd_pp_sys_clock:
2796 clk_type = SMU_GFXCLK;
2797 break;
2798 case amd_pp_mem_clock:
2799 clk_type = SMU_MCLK;
2800 break;
2801 case amd_pp_dcef_clock:
2802 clk_type = SMU_DCEFCLK;
2803 break;
2804 case amd_pp_disp_clock:
2805 clk_type = SMU_DISPCLK;
2806 break;
2807 default:
2808 dev_err(smu->adev->dev, "Invalid clock type!\n");
2809 return -EINVAL;
2810 }
2811
2812 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
2813 }
2814
2815 return ret;
2816 }
2817
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)2818 static int smu_display_clock_voltage_request(void *handle,
2819 struct pp_display_clock_request *clock_req)
2820 {
2821 struct smu_context *smu = handle;
2822 int ret = 0;
2823
2824 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2825 return -EOPNOTSUPP;
2826
2827 if (smu->ppt_funcs->display_clock_voltage_request)
2828 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
2829
2830 return ret;
2831 }
2832
2833
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)2834 static int smu_display_disable_memory_clock_switch(void *handle,
2835 bool disable_memory_clock_switch)
2836 {
2837 struct smu_context *smu = handle;
2838 int ret = -EINVAL;
2839
2840 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2841 return -EOPNOTSUPP;
2842
2843 if (smu->ppt_funcs->display_disable_memory_clock_switch)
2844 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
2845
2846 return ret;
2847 }
2848
smu_set_xgmi_pstate(void * handle,uint32_t pstate)2849 static int smu_set_xgmi_pstate(void *handle,
2850 uint32_t pstate)
2851 {
2852 struct smu_context *smu = handle;
2853 int ret = 0;
2854
2855 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2856 return -EOPNOTSUPP;
2857
2858 if (smu->ppt_funcs->set_xgmi_pstate)
2859 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
2860
2861 if (ret)
2862 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
2863
2864 return ret;
2865 }
2866
smu_get_baco_capability(void * handle,bool * cap)2867 static int smu_get_baco_capability(void *handle, bool *cap)
2868 {
2869 struct smu_context *smu = handle;
2870
2871 *cap = false;
2872
2873 if (!smu->pm_enabled)
2874 return 0;
2875
2876 if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
2877 *cap = smu->ppt_funcs->baco_is_support(smu);
2878
2879 return 0;
2880 }
2881
smu_baco_set_state(void * handle,int state)2882 static int smu_baco_set_state(void *handle, int state)
2883 {
2884 struct smu_context *smu = handle;
2885 int ret = 0;
2886
2887 if (!smu->pm_enabled)
2888 return -EOPNOTSUPP;
2889
2890 if (state == 0) {
2891 if (smu->ppt_funcs->baco_exit)
2892 ret = smu->ppt_funcs->baco_exit(smu);
2893 } else if (state == 1) {
2894 if (smu->ppt_funcs->baco_enter)
2895 ret = smu->ppt_funcs->baco_enter(smu);
2896 } else {
2897 return -EINVAL;
2898 }
2899
2900 if (ret)
2901 dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
2902 (state)?"enter":"exit");
2903
2904 return ret;
2905 }
2906
smu_mode1_reset_is_support(struct smu_context * smu)2907 bool smu_mode1_reset_is_support(struct smu_context *smu)
2908 {
2909 bool ret = false;
2910
2911 if (!smu->pm_enabled)
2912 return false;
2913
2914 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
2915 ret = smu->ppt_funcs->mode1_reset_is_support(smu);
2916
2917 return ret;
2918 }
2919
smu_mode2_reset_is_support(struct smu_context * smu)2920 bool smu_mode2_reset_is_support(struct smu_context *smu)
2921 {
2922 bool ret = false;
2923
2924 if (!smu->pm_enabled)
2925 return false;
2926
2927 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
2928 ret = smu->ppt_funcs->mode2_reset_is_support(smu);
2929
2930 return ret;
2931 }
2932
smu_mode1_reset(struct smu_context * smu)2933 int smu_mode1_reset(struct smu_context *smu)
2934 {
2935 int ret = 0;
2936
2937 if (!smu->pm_enabled)
2938 return -EOPNOTSUPP;
2939
2940 if (smu->ppt_funcs->mode1_reset)
2941 ret = smu->ppt_funcs->mode1_reset(smu);
2942
2943 return ret;
2944 }
2945
smu_mode2_reset(void * handle)2946 static int smu_mode2_reset(void *handle)
2947 {
2948 struct smu_context *smu = handle;
2949 int ret = 0;
2950
2951 if (!smu->pm_enabled)
2952 return -EOPNOTSUPP;
2953
2954 if (smu->ppt_funcs->mode2_reset)
2955 ret = smu->ppt_funcs->mode2_reset(smu);
2956
2957 if (ret)
2958 dev_err(smu->adev->dev, "Mode2 reset failed!\n");
2959
2960 return ret;
2961 }
2962
smu_enable_gfx_features(void * handle)2963 static int smu_enable_gfx_features(void *handle)
2964 {
2965 struct smu_context *smu = handle;
2966 int ret = 0;
2967
2968 if (!smu->pm_enabled)
2969 return -EOPNOTSUPP;
2970
2971 if (smu->ppt_funcs->enable_gfx_features)
2972 ret = smu->ppt_funcs->enable_gfx_features(smu);
2973
2974 if (ret)
2975 dev_err(smu->adev->dev, "enable gfx features failed!\n");
2976
2977 return ret;
2978 }
2979
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)2980 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
2981 struct pp_smu_nv_clock_table *max_clocks)
2982 {
2983 struct smu_context *smu = handle;
2984 int ret = 0;
2985
2986 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2987 return -EOPNOTSUPP;
2988
2989 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
2990 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
2991
2992 return ret;
2993 }
2994
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)2995 static int smu_get_uclk_dpm_states(void *handle,
2996 unsigned int *clock_values_in_khz,
2997 unsigned int *num_states)
2998 {
2999 struct smu_context *smu = handle;
3000 int ret = 0;
3001
3002 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3003 return -EOPNOTSUPP;
3004
3005 if (smu->ppt_funcs->get_uclk_dpm_states)
3006 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3007
3008 return ret;
3009 }
3010
smu_get_current_power_state(void * handle)3011 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3012 {
3013 struct smu_context *smu = handle;
3014 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3015
3016 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3017 return -EOPNOTSUPP;
3018
3019 if (smu->ppt_funcs->get_current_power_state)
3020 pm_state = smu->ppt_funcs->get_current_power_state(smu);
3021
3022 return pm_state;
3023 }
3024
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3025 static int smu_get_dpm_clock_table(void *handle,
3026 struct dpm_clocks *clock_table)
3027 {
3028 struct smu_context *smu = handle;
3029 int ret = 0;
3030
3031 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3032 return -EOPNOTSUPP;
3033
3034 if (smu->ppt_funcs->get_dpm_clock_table)
3035 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3036
3037 return ret;
3038 }
3039
smu_sys_get_gpu_metrics(void * handle,void ** table)3040 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3041 {
3042 struct smu_context *smu = handle;
3043
3044 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3045 return -EOPNOTSUPP;
3046
3047 if (!smu->ppt_funcs->get_gpu_metrics)
3048 return -EOPNOTSUPP;
3049
3050 return smu->ppt_funcs->get_gpu_metrics(smu, table);
3051 }
3052
smu_enable_mgpu_fan_boost(void * handle)3053 static int smu_enable_mgpu_fan_boost(void *handle)
3054 {
3055 struct smu_context *smu = handle;
3056 int ret = 0;
3057
3058 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3059 return -EOPNOTSUPP;
3060
3061 if (smu->ppt_funcs->enable_mgpu_fan_boost)
3062 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3063
3064 return ret;
3065 }
3066
smu_gfx_state_change_set(void * handle,uint32_t state)3067 static int smu_gfx_state_change_set(void *handle,
3068 uint32_t state)
3069 {
3070 struct smu_context *smu = handle;
3071 int ret = 0;
3072
3073 if (smu->ppt_funcs->gfx_state_change_set)
3074 ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3075
3076 return ret;
3077 }
3078
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3079 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3080 {
3081 int ret = 0;
3082
3083 if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3084 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3085
3086 return ret;
3087 }
3088
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3089 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3090 {
3091 int ret = -EOPNOTSUPP;
3092
3093 if (smu->ppt_funcs &&
3094 smu->ppt_funcs->get_ecc_info)
3095 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3096
3097 return ret;
3098
3099 }
3100
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3101 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3102 {
3103 struct smu_context *smu = handle;
3104 struct smu_table_context *smu_table = &smu->smu_table;
3105 struct smu_table *memory_pool = &smu_table->memory_pool;
3106
3107 if (!addr || !size)
3108 return -EINVAL;
3109
3110 *addr = NULL;
3111 *size = 0;
3112 if (memory_pool->bo) {
3113 *addr = memory_pool->cpu_addr;
3114 *size = memory_pool->size;
3115 }
3116
3117 return 0;
3118 }
3119
3120 static const struct amd_pm_funcs swsmu_pm_funcs = {
3121 /* export for sysfs */
3122 .set_fan_control_mode = smu_set_fan_control_mode,
3123 .get_fan_control_mode = smu_get_fan_control_mode,
3124 .set_fan_speed_pwm = smu_set_fan_speed_pwm,
3125 .get_fan_speed_pwm = smu_get_fan_speed_pwm,
3126 .force_clock_level = smu_force_ppclk_levels,
3127 .print_clock_levels = smu_print_ppclk_levels,
3128 .emit_clock_levels = smu_emit_ppclk_levels,
3129 .force_performance_level = smu_force_performance_level,
3130 .read_sensor = smu_read_sensor,
3131 .get_apu_thermal_limit = smu_get_apu_thermal_limit,
3132 .set_apu_thermal_limit = smu_set_apu_thermal_limit,
3133 .get_performance_level = smu_get_performance_level,
3134 .get_current_power_state = smu_get_current_power_state,
3135 .get_fan_speed_rpm = smu_get_fan_speed_rpm,
3136 .set_fan_speed_rpm = smu_set_fan_speed_rpm,
3137 .get_pp_num_states = smu_get_power_num_states,
3138 .get_pp_table = smu_sys_get_pp_table,
3139 .set_pp_table = smu_sys_set_pp_table,
3140 .switch_power_profile = smu_switch_power_profile,
3141 /* export to amdgpu */
3142 .dispatch_tasks = smu_handle_dpm_task,
3143 .load_firmware = smu_load_microcode,
3144 .set_powergating_by_smu = smu_dpm_set_power_gate,
3145 .set_power_limit = smu_set_power_limit,
3146 .get_power_limit = smu_get_power_limit,
3147 .get_power_profile_mode = smu_get_power_profile_mode,
3148 .set_power_profile_mode = smu_set_power_profile_mode,
3149 .odn_edit_dpm_table = smu_od_edit_dpm_table,
3150 .set_mp1_state = smu_set_mp1_state,
3151 .gfx_state_change_set = smu_gfx_state_change_set,
3152 /* export to DC */
3153 .get_sclk = smu_get_sclk,
3154 .get_mclk = smu_get_mclk,
3155 .display_configuration_change = smu_display_configuration_change,
3156 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency,
3157 .display_clock_voltage_request = smu_display_clock_voltage_request,
3158 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost,
3159 .set_active_display_count = smu_set_display_count,
3160 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk,
3161 .get_asic_baco_capability = smu_get_baco_capability,
3162 .set_asic_baco_state = smu_baco_set_state,
3163 .get_ppfeature_status = smu_sys_get_pp_feature_mask,
3164 .set_ppfeature_status = smu_sys_set_pp_feature_mask,
3165 .asic_reset_mode_2 = smu_mode2_reset,
3166 .asic_reset_enable_gfx_features = smu_enable_gfx_features,
3167 .set_df_cstate = smu_set_df_cstate,
3168 .set_xgmi_pstate = smu_set_xgmi_pstate,
3169 .get_gpu_metrics = smu_sys_get_gpu_metrics,
3170 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges,
3171 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3172 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc,
3173 .get_uclk_dpm_states = smu_get_uclk_dpm_states,
3174 .get_dpm_clock_table = smu_get_dpm_clock_table,
3175 .get_smu_prv_buf_details = smu_get_prv_buffer_details,
3176 };
3177
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3178 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3179 uint64_t event_arg)
3180 {
3181 int ret = -EINVAL;
3182
3183 if (smu->ppt_funcs->wait_for_event)
3184 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3185
3186 return ret;
3187 }
3188
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3189 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3190 {
3191
3192 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3193 return -EOPNOTSUPP;
3194
3195 /* Confirm the buffer allocated is of correct size */
3196 if (size != smu->stb_context.stb_buf_size)
3197 return -EINVAL;
3198
3199 /*
3200 * No need to lock smu mutex as we access STB directly through MMIO
3201 * and not going through SMU messaging route (for now at least).
3202 * For registers access rely on implementation internal locking.
3203 */
3204 return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3205 }
3206
3207 #if defined(CONFIG_DEBUG_FS)
3208
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3209 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3210 {
3211 struct amdgpu_device *adev = filp->f_inode->i_private;
3212 struct smu_context *smu = adev->powerplay.pp_handle;
3213 unsigned char *buf;
3214 int r;
3215
3216 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3217 if (!buf)
3218 return -ENOMEM;
3219
3220 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3221 if (r)
3222 goto out;
3223
3224 filp->private_data = buf;
3225
3226 return 0;
3227
3228 out:
3229 kvfree(buf);
3230 return r;
3231 }
3232
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3233 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3234 loff_t *pos)
3235 {
3236 struct amdgpu_device *adev = filp->f_inode->i_private;
3237 struct smu_context *smu = adev->powerplay.pp_handle;
3238
3239
3240 if (!filp->private_data)
3241 return -EINVAL;
3242
3243 return simple_read_from_buffer(buf,
3244 size,
3245 pos, filp->private_data,
3246 smu->stb_context.stb_buf_size);
3247 }
3248
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3249 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3250 {
3251 kvfree(filp->private_data);
3252 filp->private_data = NULL;
3253
3254 return 0;
3255 }
3256
3257 /*
3258 * We have to define not only read method but also
3259 * open and release because .read takes up to PAGE_SIZE
3260 * data each time so and so is invoked multiple times.
3261 * We allocate the STB buffer in .open and release it
3262 * in .release
3263 */
3264 static const struct file_operations smu_stb_debugfs_fops = {
3265 .owner = THIS_MODULE,
3266 .open = smu_stb_debugfs_open,
3267 .read = smu_stb_debugfs_read,
3268 .release = smu_stb_debugfs_release,
3269 .llseek = default_llseek,
3270 };
3271
3272 #endif
3273
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3274 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3275 {
3276 #if defined(CONFIG_DEBUG_FS)
3277
3278 struct smu_context *smu = adev->powerplay.pp_handle;
3279
3280 if (!smu || (!smu->stb_context.stb_buf_size))
3281 return;
3282
3283 debugfs_create_file_size("amdgpu_smu_stb_dump",
3284 S_IRUSR,
3285 adev_to_drm(adev)->primary->debugfs_root,
3286 adev,
3287 &smu_stb_debugfs_fops,
3288 smu->stb_context.stb_buf_size);
3289 #endif
3290 }
3291
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3292 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3293 {
3294 int ret = 0;
3295
3296 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3297 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3298
3299 return ret;
3300 }
3301
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3302 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3303 {
3304 int ret = 0;
3305
3306 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3307 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3308
3309 return ret;
3310 }
3311