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 
28 #include "amdgpu.h"
29 #include "amdgpu_smu.h"
30 #include "smu_internal.h"
31 #include "atom.h"
32 #include "arcturus_ppt.h"
33 #include "navi10_ppt.h"
34 #include "sienna_cichlid_ppt.h"
35 #include "renoir_ppt.h"
36 #include "vangogh_ppt.h"
37 #include "aldebaran_ppt.h"
38 #include "yellow_carp_ppt.h"
39 #include "cyan_skillfish_ppt.h"
40 #include "amd_pcie.h"
41 
42 /*
43  * DO NOT use these for err/warn/info/debug messages.
44  * Use dev_err, dev_warn, dev_info and dev_dbg instead.
45  * They are more MGPU friendly.
46  */
47 #undef pr_err
48 #undef pr_warn
49 #undef pr_info
50 #undef pr_debug
51 
52 static const struct amd_pm_funcs swsmu_pm_funcs;
53 static int smu_force_smuclk_levels(struct smu_context *smu,
54 				   enum smu_clk_type clk_type,
55 				   uint32_t mask);
56 static int smu_handle_task(struct smu_context *smu,
57 			   enum amd_dpm_forced_level level,
58 			   enum amd_pp_task task_id,
59 			   bool lock_needed);
60 static int smu_reset(struct smu_context *smu);
61 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
62 static int smu_set_fan_control_mode(struct smu_context *smu, int value);
63 static int smu_set_power_limit(void *handle, uint32_t limit);
64 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
65 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
66 
67 static int smu_sys_get_pp_feature_mask(void *handle,
68 				       char *buf)
69 {
70 	struct smu_context *smu = handle;
71 	int size = 0;
72 
73 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
74 		return -EOPNOTSUPP;
75 
76 	mutex_lock(&smu->mutex);
77 
78 	size = smu_get_pp_feature_mask(smu, buf);
79 
80 	mutex_unlock(&smu->mutex);
81 
82 	return size;
83 }
84 
85 static int smu_sys_set_pp_feature_mask(void *handle,
86 				       uint64_t new_mask)
87 {
88 	struct smu_context *smu = handle;
89 	int ret = 0;
90 
91 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
92 		return -EOPNOTSUPP;
93 
94 	mutex_lock(&smu->mutex);
95 
96 	ret = smu_set_pp_feature_mask(smu, new_mask);
97 
98 	mutex_unlock(&smu->mutex);
99 
100 	return ret;
101 }
102 
103 int smu_get_status_gfxoff(struct amdgpu_device *adev, uint32_t *value)
104 {
105 	int ret = 0;
106 	struct smu_context *smu = &adev->smu;
107 
108 	if (is_support_sw_smu(adev) && smu->ppt_funcs->get_gfx_off_status)
109 		*value = smu_get_gfx_off_status(smu);
110 	else
111 		ret = -EINVAL;
112 
113 	return ret;
114 }
115 
116 int smu_set_soft_freq_range(struct smu_context *smu,
117 			    enum smu_clk_type clk_type,
118 			    uint32_t min,
119 			    uint32_t max)
120 {
121 	int ret = 0;
122 
123 	mutex_lock(&smu->mutex);
124 
125 	if (smu->ppt_funcs->set_soft_freq_limited_range)
126 		ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
127 								  clk_type,
128 								  min,
129 								  max);
130 
131 	mutex_unlock(&smu->mutex);
132 
133 	return ret;
134 }
135 
136 int smu_get_dpm_freq_range(struct smu_context *smu,
137 			   enum smu_clk_type clk_type,
138 			   uint32_t *min,
139 			   uint32_t *max)
140 {
141 	int ret = 0;
142 
143 	if (!min && !max)
144 		return -EINVAL;
145 
146 	mutex_lock(&smu->mutex);
147 
148 	if (smu->ppt_funcs->get_dpm_ultimate_freq)
149 		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
150 							    clk_type,
151 							    min,
152 							    max);
153 
154 	mutex_unlock(&smu->mutex);
155 
156 	return ret;
157 }
158 
159 static u32 smu_get_mclk(void *handle, bool low)
160 {
161 	struct smu_context *smu = handle;
162 	uint32_t clk_freq;
163 	int ret = 0;
164 
165 	ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
166 				     low ? &clk_freq : NULL,
167 				     !low ? &clk_freq : NULL);
168 	if (ret)
169 		return 0;
170 	return clk_freq * 100;
171 }
172 
173 static u32 smu_get_sclk(void *handle, bool low)
174 {
175 	struct smu_context *smu = handle;
176 	uint32_t clk_freq;
177 	int ret = 0;
178 
179 	ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
180 				     low ? &clk_freq : NULL,
181 				     !low ? &clk_freq : NULL);
182 	if (ret)
183 		return 0;
184 	return clk_freq * 100;
185 }
186 
187 static int smu_dpm_set_vcn_enable_locked(struct smu_context *smu,
188 					 bool enable)
189 {
190 	struct smu_power_context *smu_power = &smu->smu_power;
191 	struct smu_power_gate *power_gate = &smu_power->power_gate;
192 	int ret = 0;
193 
194 	if (!smu->ppt_funcs->dpm_set_vcn_enable)
195 		return 0;
196 
197 	if (atomic_read(&power_gate->vcn_gated) ^ enable)
198 		return 0;
199 
200 	ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
201 	if (!ret)
202 		atomic_set(&power_gate->vcn_gated, !enable);
203 
204 	return ret;
205 }
206 
207 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
208 				  bool enable)
209 {
210 	struct smu_power_context *smu_power = &smu->smu_power;
211 	struct smu_power_gate *power_gate = &smu_power->power_gate;
212 	int ret = 0;
213 
214 	mutex_lock(&power_gate->vcn_gate_lock);
215 
216 	ret = smu_dpm_set_vcn_enable_locked(smu, enable);
217 
218 	mutex_unlock(&power_gate->vcn_gate_lock);
219 
220 	return ret;
221 }
222 
223 static int smu_dpm_set_jpeg_enable_locked(struct smu_context *smu,
224 					  bool enable)
225 {
226 	struct smu_power_context *smu_power = &smu->smu_power;
227 	struct smu_power_gate *power_gate = &smu_power->power_gate;
228 	int ret = 0;
229 
230 	if (!smu->ppt_funcs->dpm_set_jpeg_enable)
231 		return 0;
232 
233 	if (atomic_read(&power_gate->jpeg_gated) ^ enable)
234 		return 0;
235 
236 	ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
237 	if (!ret)
238 		atomic_set(&power_gate->jpeg_gated, !enable);
239 
240 	return ret;
241 }
242 
243 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
244 				   bool enable)
245 {
246 	struct smu_power_context *smu_power = &smu->smu_power;
247 	struct smu_power_gate *power_gate = &smu_power->power_gate;
248 	int ret = 0;
249 
250 	mutex_lock(&power_gate->jpeg_gate_lock);
251 
252 	ret = smu_dpm_set_jpeg_enable_locked(smu, enable);
253 
254 	mutex_unlock(&power_gate->jpeg_gate_lock);
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  */
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 		return -EOPNOTSUPP;
282 
283 	switch (block_type) {
284 	/*
285 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
286 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
287 	 */
288 	case AMD_IP_BLOCK_TYPE_UVD:
289 	case AMD_IP_BLOCK_TYPE_VCN:
290 		ret = smu_dpm_set_vcn_enable(smu, !gate);
291 		if (ret)
292 			dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
293 				gate ? "gate" : "ungate");
294 		break;
295 	case AMD_IP_BLOCK_TYPE_GFX:
296 		ret = smu_gfx_off_control(smu, gate);
297 		if (ret)
298 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
299 				gate ? "enable" : "disable");
300 		break;
301 	case AMD_IP_BLOCK_TYPE_SDMA:
302 		ret = smu_powergate_sdma(smu, gate);
303 		if (ret)
304 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
305 				gate ? "gate" : "ungate");
306 		break;
307 	case AMD_IP_BLOCK_TYPE_JPEG:
308 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
309 		if (ret)
310 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
311 				gate ? "gate" : "ungate");
312 		break;
313 	default:
314 		dev_err(smu->adev->dev, "Unsupported block type!\n");
315 		return -EINVAL;
316 	}
317 
318 	return ret;
319 }
320 
321 /**
322  * smu_set_user_clk_dependencies - set user profile clock dependencies
323  *
324  * @smu:	smu_context pointer
325  * @clk:	enum smu_clk_type type
326  *
327  * Enable/Disable the clock dependency for the @clk type.
328  */
329 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
330 {
331 	if (smu->adev->in_suspend)
332 		return;
333 
334 	if (clk == SMU_MCLK) {
335 		smu->user_dpm_profile.clk_dependency = 0;
336 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
337 	} else if (clk == SMU_FCLK) {
338 		/* MCLK takes precedence over FCLK */
339 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
340 			return;
341 
342 		smu->user_dpm_profile.clk_dependency = 0;
343 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
344 	} else if (clk == SMU_SOCCLK) {
345 		/* MCLK takes precedence over SOCCLK */
346 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
347 			return;
348 
349 		smu->user_dpm_profile.clk_dependency = 0;
350 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
351 	} else
352 		/* Add clk dependencies here, if any */
353 		return;
354 }
355 
356 /**
357  * smu_restore_dpm_user_profile - reinstate user dpm profile
358  *
359  * @smu:	smu_context pointer
360  *
361  * Restore the saved user power configurations include power limit,
362  * clock frequencies, fan control mode and fan speed.
363  */
364 static void smu_restore_dpm_user_profile(struct smu_context *smu)
365 {
366 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
367 	int ret = 0;
368 
369 	if (!smu->adev->in_suspend)
370 		return;
371 
372 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
373 		return;
374 
375 	/* Enable restore flag */
376 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
377 
378 	/* set the user dpm power limit */
379 	if (smu->user_dpm_profile.power_limit) {
380 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
381 		if (ret)
382 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
383 	}
384 
385 	/* set the user dpm clock configurations */
386 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
387 		enum smu_clk_type clk_type;
388 
389 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
390 			/*
391 			 * Iterate over smu clk type and force the saved user clk
392 			 * configs, skip if clock dependency is enabled
393 			 */
394 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
395 					smu->user_dpm_profile.clk_mask[clk_type]) {
396 				ret = smu_force_smuclk_levels(smu, clk_type,
397 						smu->user_dpm_profile.clk_mask[clk_type]);
398 				if (ret)
399 					dev_err(smu->adev->dev,
400 						"Failed to set clock type = %d\n", clk_type);
401 			}
402 		}
403 	}
404 
405 	/* set the user dpm fan configurations */
406 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
407 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
408 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
409 		if (ret) {
410 			smu->user_dpm_profile.fan_speed_pwm = 0;
411 			smu->user_dpm_profile.fan_speed_rpm = 0;
412 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
413 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
414 		}
415 
416 		if (smu->user_dpm_profile.fan_speed_pwm) {
417 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
418 			if (ret)
419 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
420 		}
421 
422 		if (smu->user_dpm_profile.fan_speed_rpm) {
423 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
424 			if (ret)
425 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
426 		}
427 	}
428 
429 	/* Restore user customized OD settings */
430 	if (smu->user_dpm_profile.user_od) {
431 		if (smu->ppt_funcs->restore_user_od_settings) {
432 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
433 			if (ret)
434 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
435 		}
436 	}
437 
438 	/* Disable restore flag */
439 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
440 }
441 
442 static int smu_get_power_num_states(void *handle,
443 				    struct pp_states_info *state_info)
444 {
445 	if (!state_info)
446 		return -EINVAL;
447 
448 	/* not support power state */
449 	memset(state_info, 0, sizeof(struct pp_states_info));
450 	state_info->nums = 1;
451 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
452 
453 	return 0;
454 }
455 
456 bool is_support_sw_smu(struct amdgpu_device *adev)
457 {
458 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
459 	if (adev->asic_type == CHIP_VEGA20)
460 		return false;
461 
462 	if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0))
463 		return true;
464 
465 	return false;
466 }
467 
468 bool is_support_cclk_dpm(struct amdgpu_device *adev)
469 {
470 	struct smu_context *smu = &adev->smu;
471 
472 	if (!is_support_sw_smu(adev))
473 		return false;
474 
475 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
476 		return false;
477 
478 	return true;
479 }
480 
481 
482 static int smu_sys_get_pp_table(void *handle,
483 				char **table)
484 {
485 	struct smu_context *smu = handle;
486 	struct smu_table_context *smu_table = &smu->smu_table;
487 	uint32_t powerplay_table_size;
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 	mutex_lock(&smu->mutex);
496 
497 	if (smu_table->hardcode_pptable)
498 		*table = smu_table->hardcode_pptable;
499 	else
500 		*table = smu_table->power_play_table;
501 
502 	powerplay_table_size = smu_table->power_play_table_size;
503 
504 	mutex_unlock(&smu->mutex);
505 
506 	return powerplay_table_size;
507 }
508 
509 static int smu_sys_set_pp_table(void *handle,
510 				const char *buf,
511 				size_t size)
512 {
513 	struct smu_context *smu = handle;
514 	struct smu_table_context *smu_table = &smu->smu_table;
515 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
516 	int ret = 0;
517 
518 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
519 		return -EOPNOTSUPP;
520 
521 	if (header->usStructureSize != size) {
522 		dev_err(smu->adev->dev, "pp table size not matched !\n");
523 		return -EIO;
524 	}
525 
526 	mutex_lock(&smu->mutex);
527 	if (!smu_table->hardcode_pptable)
528 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
529 	if (!smu_table->hardcode_pptable) {
530 		ret = -ENOMEM;
531 		goto failed;
532 	}
533 
534 	memcpy(smu_table->hardcode_pptable, buf, size);
535 	smu_table->power_play_table = smu_table->hardcode_pptable;
536 	smu_table->power_play_table_size = size;
537 
538 	/*
539 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
540 	 * skipped) may be needed for custom pptable uploading.
541 	 */
542 	smu->uploading_custom_pp_table = true;
543 
544 	ret = smu_reset(smu);
545 	if (ret)
546 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
547 
548 	smu->uploading_custom_pp_table = false;
549 
550 failed:
551 	mutex_unlock(&smu->mutex);
552 	return ret;
553 }
554 
555 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
556 {
557 	struct smu_feature *feature = &smu->smu_feature;
558 	int ret = 0;
559 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
560 
561 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
562 
563 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
564 					     SMU_FEATURE_MAX/32);
565 	if (ret)
566 		return ret;
567 
568 	bitmap_or(feature->allowed, feature->allowed,
569 		      (unsigned long *)allowed_feature_mask,
570 		      feature->feature_num);
571 
572 	return ret;
573 }
574 
575 static int smu_set_funcs(struct amdgpu_device *adev)
576 {
577 	struct smu_context *smu = &adev->smu;
578 
579 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
580 		smu->od_enabled = true;
581 
582 	switch (adev->ip_versions[MP1_HWIP][0]) {
583 	case IP_VERSION(11, 0, 0):
584 	case IP_VERSION(11, 0, 5):
585 	case IP_VERSION(11, 0, 9):
586 		navi10_set_ppt_funcs(smu);
587 		break;
588 	case IP_VERSION(11, 0, 7):
589 	case IP_VERSION(11, 0, 11):
590 	case IP_VERSION(11, 0, 12):
591 	case IP_VERSION(11, 0, 13):
592 		sienna_cichlid_set_ppt_funcs(smu);
593 		break;
594 	case IP_VERSION(12, 0, 0):
595 	case IP_VERSION(12, 0, 1):
596 		renoir_set_ppt_funcs(smu);
597 		break;
598 	case IP_VERSION(11, 5, 0):
599 		vangogh_set_ppt_funcs(smu);
600 		break;
601 	case IP_VERSION(13, 0, 1):
602 	case IP_VERSION(13, 0, 3):
603 		yellow_carp_set_ppt_funcs(smu);
604 		break;
605 	case IP_VERSION(11, 0, 8):
606 		cyan_skillfish_set_ppt_funcs(smu);
607 		break;
608 	case IP_VERSION(11, 0, 2):
609 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
610 		arcturus_set_ppt_funcs(smu);
611 		/* OD is not supported on Arcturus */
612 		smu->od_enabled =false;
613 		break;
614 	case IP_VERSION(13, 0, 2):
615 		aldebaran_set_ppt_funcs(smu);
616 		/* Enable pp_od_clk_voltage node */
617 		smu->od_enabled = true;
618 		break;
619 	default:
620 		return -EINVAL;
621 	}
622 
623 	return 0;
624 }
625 
626 static int smu_early_init(void *handle)
627 {
628 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
629 	struct smu_context *smu = &adev->smu;
630 
631 	smu->adev = adev;
632 	smu->pm_enabled = !!amdgpu_dpm;
633 	smu->is_apu = false;
634 	mutex_init(&smu->mutex);
635 	mutex_init(&smu->smu_baco.mutex);
636 	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
637 	smu->smu_baco.platform_support = false;
638 	smu->user_dpm_profile.fan_mode = -1;
639 
640 	adev->powerplay.pp_handle = smu;
641 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
642 
643 	return smu_set_funcs(adev);
644 }
645 
646 static int smu_set_default_dpm_table(struct smu_context *smu)
647 {
648 	struct smu_power_context *smu_power = &smu->smu_power;
649 	struct smu_power_gate *power_gate = &smu_power->power_gate;
650 	int vcn_gate, jpeg_gate;
651 	int ret = 0;
652 
653 	if (!smu->ppt_funcs->set_default_dpm_table)
654 		return 0;
655 
656 	mutex_lock(&power_gate->vcn_gate_lock);
657 	mutex_lock(&power_gate->jpeg_gate_lock);
658 
659 	vcn_gate = atomic_read(&power_gate->vcn_gated);
660 	jpeg_gate = atomic_read(&power_gate->jpeg_gated);
661 
662 	ret = smu_dpm_set_vcn_enable_locked(smu, true);
663 	if (ret)
664 		goto err0_out;
665 
666 	ret = smu_dpm_set_jpeg_enable_locked(smu, true);
667 	if (ret)
668 		goto err1_out;
669 
670 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
671 	if (ret)
672 		dev_err(smu->adev->dev,
673 			"Failed to setup default dpm clock tables!\n");
674 
675 	smu_dpm_set_jpeg_enable_locked(smu, !jpeg_gate);
676 err1_out:
677 	smu_dpm_set_vcn_enable_locked(smu, !vcn_gate);
678 err0_out:
679 	mutex_unlock(&power_gate->jpeg_gate_lock);
680 	mutex_unlock(&power_gate->vcn_gate_lock);
681 
682 	return ret;
683 }
684 
685 
686 static int smu_late_init(void *handle)
687 {
688 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
689 	struct smu_context *smu = &adev->smu;
690 	int ret = 0;
691 
692 	smu_set_fine_grain_gfx_freq_parameters(smu);
693 
694 	if (!smu->pm_enabled)
695 		return 0;
696 
697 	ret = smu_post_init(smu);
698 	if (ret) {
699 		dev_err(adev->dev, "Failed to post smu init!\n");
700 		return ret;
701 	}
702 
703 	if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
704 	    (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))
705 		return 0;
706 
707 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
708 		ret = smu_set_default_od_settings(smu);
709 		if (ret) {
710 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
711 			return ret;
712 		}
713 	}
714 
715 	ret = smu_populate_umd_state_clk(smu);
716 	if (ret) {
717 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
718 		return ret;
719 	}
720 
721 	ret = smu_get_asic_power_limits(smu,
722 					&smu->current_power_limit,
723 					&smu->default_power_limit,
724 					&smu->max_power_limit);
725 	if (ret) {
726 		dev_err(adev->dev, "Failed to get asic power limits!\n");
727 		return ret;
728 	}
729 
730 	if (!amdgpu_sriov_vf(adev))
731 		smu_get_unique_id(smu);
732 
733 	smu_get_fan_parameters(smu);
734 
735 	smu_handle_task(&adev->smu,
736 			smu->smu_dpm.dpm_level,
737 			AMD_PP_TASK_COMPLETE_INIT,
738 			false);
739 
740 	smu_restore_dpm_user_profile(smu);
741 
742 	return 0;
743 }
744 
745 static int smu_init_fb_allocations(struct smu_context *smu)
746 {
747 	struct amdgpu_device *adev = smu->adev;
748 	struct smu_table_context *smu_table = &smu->smu_table;
749 	struct smu_table *tables = smu_table->tables;
750 	struct smu_table *driver_table = &(smu_table->driver_table);
751 	uint32_t max_table_size = 0;
752 	int ret, i;
753 
754 	/* VRAM allocation for tool table */
755 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
756 		ret = amdgpu_bo_create_kernel(adev,
757 					      tables[SMU_TABLE_PMSTATUSLOG].size,
758 					      tables[SMU_TABLE_PMSTATUSLOG].align,
759 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
760 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
761 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
762 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
763 		if (ret) {
764 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
765 			return ret;
766 		}
767 	}
768 
769 	/* VRAM allocation for driver table */
770 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
771 		if (tables[i].size == 0)
772 			continue;
773 
774 		if (i == SMU_TABLE_PMSTATUSLOG)
775 			continue;
776 
777 		if (max_table_size < tables[i].size)
778 			max_table_size = tables[i].size;
779 	}
780 
781 	driver_table->size = max_table_size;
782 	driver_table->align = PAGE_SIZE;
783 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
784 
785 	ret = amdgpu_bo_create_kernel(adev,
786 				      driver_table->size,
787 				      driver_table->align,
788 				      driver_table->domain,
789 				      &driver_table->bo,
790 				      &driver_table->mc_address,
791 				      &driver_table->cpu_addr);
792 	if (ret) {
793 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
794 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
795 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
796 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
797 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
798 	}
799 
800 	return ret;
801 }
802 
803 static int smu_fini_fb_allocations(struct smu_context *smu)
804 {
805 	struct smu_table_context *smu_table = &smu->smu_table;
806 	struct smu_table *tables = smu_table->tables;
807 	struct smu_table *driver_table = &(smu_table->driver_table);
808 
809 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
810 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
811 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
812 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
813 
814 	amdgpu_bo_free_kernel(&driver_table->bo,
815 			      &driver_table->mc_address,
816 			      &driver_table->cpu_addr);
817 
818 	return 0;
819 }
820 
821 /**
822  * smu_alloc_memory_pool - allocate memory pool in the system memory
823  *
824  * @smu: amdgpu_device pointer
825  *
826  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
827  * and DramLogSetDramAddr can notify it changed.
828  *
829  * Returns 0 on success, error on failure.
830  */
831 static int smu_alloc_memory_pool(struct smu_context *smu)
832 {
833 	struct amdgpu_device *adev = smu->adev;
834 	struct smu_table_context *smu_table = &smu->smu_table;
835 	struct smu_table *memory_pool = &smu_table->memory_pool;
836 	uint64_t pool_size = smu->pool_size;
837 	int ret = 0;
838 
839 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
840 		return ret;
841 
842 	memory_pool->size = pool_size;
843 	memory_pool->align = PAGE_SIZE;
844 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
845 
846 	switch (pool_size) {
847 	case SMU_MEMORY_POOL_SIZE_256_MB:
848 	case SMU_MEMORY_POOL_SIZE_512_MB:
849 	case SMU_MEMORY_POOL_SIZE_1_GB:
850 	case SMU_MEMORY_POOL_SIZE_2_GB:
851 		ret = amdgpu_bo_create_kernel(adev,
852 					      memory_pool->size,
853 					      memory_pool->align,
854 					      memory_pool->domain,
855 					      &memory_pool->bo,
856 					      &memory_pool->mc_address,
857 					      &memory_pool->cpu_addr);
858 		if (ret)
859 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
860 		break;
861 	default:
862 		break;
863 	}
864 
865 	return ret;
866 }
867 
868 static int smu_free_memory_pool(struct smu_context *smu)
869 {
870 	struct smu_table_context *smu_table = &smu->smu_table;
871 	struct smu_table *memory_pool = &smu_table->memory_pool;
872 
873 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
874 		return 0;
875 
876 	amdgpu_bo_free_kernel(&memory_pool->bo,
877 			      &memory_pool->mc_address,
878 			      &memory_pool->cpu_addr);
879 
880 	memset(memory_pool, 0, sizeof(struct smu_table));
881 
882 	return 0;
883 }
884 
885 static int smu_alloc_dummy_read_table(struct smu_context *smu)
886 {
887 	struct smu_table_context *smu_table = &smu->smu_table;
888 	struct smu_table *dummy_read_1_table =
889 			&smu_table->dummy_read_1_table;
890 	struct amdgpu_device *adev = smu->adev;
891 	int ret = 0;
892 
893 	dummy_read_1_table->size = 0x40000;
894 	dummy_read_1_table->align = PAGE_SIZE;
895 	dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
896 
897 	ret = amdgpu_bo_create_kernel(adev,
898 				      dummy_read_1_table->size,
899 				      dummy_read_1_table->align,
900 				      dummy_read_1_table->domain,
901 				      &dummy_read_1_table->bo,
902 				      &dummy_read_1_table->mc_address,
903 				      &dummy_read_1_table->cpu_addr);
904 	if (ret)
905 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
906 
907 	return ret;
908 }
909 
910 static void smu_free_dummy_read_table(struct smu_context *smu)
911 {
912 	struct smu_table_context *smu_table = &smu->smu_table;
913 	struct smu_table *dummy_read_1_table =
914 			&smu_table->dummy_read_1_table;
915 
916 
917 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
918 			      &dummy_read_1_table->mc_address,
919 			      &dummy_read_1_table->cpu_addr);
920 
921 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
922 }
923 
924 static int smu_smc_table_sw_init(struct smu_context *smu)
925 {
926 	int ret;
927 
928 	/**
929 	 * Create smu_table structure, and init smc tables such as
930 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
931 	 */
932 	ret = smu_init_smc_tables(smu);
933 	if (ret) {
934 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
935 		return ret;
936 	}
937 
938 	/**
939 	 * Create smu_power_context structure, and allocate smu_dpm_context and
940 	 * context size to fill the smu_power_context data.
941 	 */
942 	ret = smu_init_power(smu);
943 	if (ret) {
944 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
945 		return ret;
946 	}
947 
948 	/*
949 	 * allocate vram bos to store smc table contents.
950 	 */
951 	ret = smu_init_fb_allocations(smu);
952 	if (ret)
953 		return ret;
954 
955 	ret = smu_alloc_memory_pool(smu);
956 	if (ret)
957 		return ret;
958 
959 	ret = smu_alloc_dummy_read_table(smu);
960 	if (ret)
961 		return ret;
962 
963 	ret = smu_i2c_init(smu, &smu->adev->pm.smu_i2c);
964 	if (ret)
965 		return ret;
966 
967 	return 0;
968 }
969 
970 static int smu_smc_table_sw_fini(struct smu_context *smu)
971 {
972 	int ret;
973 
974 	smu_i2c_fini(smu, &smu->adev->pm.smu_i2c);
975 
976 	smu_free_dummy_read_table(smu);
977 
978 	ret = smu_free_memory_pool(smu);
979 	if (ret)
980 		return ret;
981 
982 	ret = smu_fini_fb_allocations(smu);
983 	if (ret)
984 		return ret;
985 
986 	ret = smu_fini_power(smu);
987 	if (ret) {
988 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
989 		return ret;
990 	}
991 
992 	ret = smu_fini_smc_tables(smu);
993 	if (ret) {
994 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
995 		return ret;
996 	}
997 
998 	return 0;
999 }
1000 
1001 static void smu_throttling_logging_work_fn(struct work_struct *work)
1002 {
1003 	struct smu_context *smu = container_of(work, struct smu_context,
1004 					       throttling_logging_work);
1005 
1006 	smu_log_thermal_throttling(smu);
1007 }
1008 
1009 static void smu_interrupt_work_fn(struct work_struct *work)
1010 {
1011 	struct smu_context *smu = container_of(work, struct smu_context,
1012 					       interrupt_work);
1013 
1014 	mutex_lock(&smu->mutex);
1015 
1016 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1017 		smu->ppt_funcs->interrupt_work(smu);
1018 
1019 	mutex_unlock(&smu->mutex);
1020 }
1021 
1022 static int smu_sw_init(void *handle)
1023 {
1024 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1025 	struct smu_context *smu = &adev->smu;
1026 	int ret;
1027 
1028 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1029 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1030 	mutex_init(&smu->smu_feature.mutex);
1031 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1032 	bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
1033 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1034 
1035 	mutex_init(&smu->sensor_lock);
1036 	mutex_init(&smu->metrics_lock);
1037 	mutex_init(&smu->message_lock);
1038 
1039 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1040 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1041 	atomic64_set(&smu->throttle_int_counter, 0);
1042 	smu->watermarks_bitmap = 0;
1043 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1044 	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1045 
1046 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1047 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1048 	mutex_init(&smu->smu_power.power_gate.vcn_gate_lock);
1049 	mutex_init(&smu->smu_power.power_gate.jpeg_gate_lock);
1050 
1051 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1052 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1053 	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1054 	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1055 	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1056 	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1057 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1058 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1059 
1060 	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1061 	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1062 	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1063 	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1064 	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1065 	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1066 	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1067 	smu->display_config = &adev->pm.pm_display_cfg;
1068 
1069 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1070 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1071 
1072 	ret = smu_init_microcode(smu);
1073 	if (ret) {
1074 		dev_err(adev->dev, "Failed to load smu firmware!\n");
1075 		return ret;
1076 	}
1077 
1078 	ret = smu_smc_table_sw_init(smu);
1079 	if (ret) {
1080 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1081 		return ret;
1082 	}
1083 
1084 	ret = smu_register_irq_handler(smu);
1085 	if (ret) {
1086 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1087 		return ret;
1088 	}
1089 
1090 	/* If there is no way to query fan control mode, fan control is not supported */
1091 	if (!smu->ppt_funcs->get_fan_control_mode)
1092 		smu->adev->pm.no_fan = true;
1093 
1094 	return 0;
1095 }
1096 
1097 static int smu_sw_fini(void *handle)
1098 {
1099 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1100 	struct smu_context *smu = &adev->smu;
1101 	int ret;
1102 
1103 	ret = smu_smc_table_sw_fini(smu);
1104 	if (ret) {
1105 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1106 		return ret;
1107 	}
1108 
1109 	smu_fini_microcode(smu);
1110 
1111 	return 0;
1112 }
1113 
1114 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1115 {
1116 	struct amdgpu_device *adev = smu->adev;
1117 	struct smu_temperature_range *range =
1118 				&smu->thermal_range;
1119 	int ret = 0;
1120 
1121 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1122 		return 0;
1123 
1124 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1125 	if (ret)
1126 		return ret;
1127 
1128 	adev->pm.dpm.thermal.min_temp = range->min;
1129 	adev->pm.dpm.thermal.max_temp = range->max;
1130 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1131 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1132 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1133 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1134 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1135 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1136 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1137 
1138 	return ret;
1139 }
1140 
1141 static int smu_smc_hw_setup(struct smu_context *smu)
1142 {
1143 	struct amdgpu_device *adev = smu->adev;
1144 	uint32_t pcie_gen = 0, pcie_width = 0;
1145 	int ret = 0;
1146 
1147 	if (adev->in_suspend && smu_is_dpm_running(smu)) {
1148 		dev_info(adev->dev, "dpm has been enabled\n");
1149 		/* this is needed specifically */
1150 		switch (adev->ip_versions[MP1_HWIP][0]) {
1151 		case IP_VERSION(11, 0, 7):
1152 		case IP_VERSION(11, 0, 11):
1153 		case IP_VERSION(11, 5, 0):
1154 		case IP_VERSION(11, 0, 12):
1155 			ret = smu_system_features_control(smu, true);
1156 			break;
1157 		default:
1158 			break;
1159 		}
1160 		return ret;
1161 	}
1162 
1163 	ret = smu_init_display_count(smu, 0);
1164 	if (ret) {
1165 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1166 		return ret;
1167 	}
1168 
1169 	ret = smu_set_driver_table_location(smu);
1170 	if (ret) {
1171 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1172 		return ret;
1173 	}
1174 
1175 	/*
1176 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1177 	 */
1178 	ret = smu_set_tool_table_location(smu);
1179 	if (ret) {
1180 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1181 		return ret;
1182 	}
1183 
1184 	/*
1185 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1186 	 * pool location.
1187 	 */
1188 	ret = smu_notify_memory_pool_location(smu);
1189 	if (ret) {
1190 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1191 		return ret;
1192 	}
1193 
1194 	/* smu_dump_pptable(smu); */
1195 	/*
1196 	 * Copy pptable bo in the vram to smc with SMU MSGs such as
1197 	 * SetDriverDramAddr and TransferTableDram2Smu.
1198 	 */
1199 	ret = smu_write_pptable(smu);
1200 	if (ret) {
1201 		dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1202 		return ret;
1203 	}
1204 
1205 	/* issue Run*Btc msg */
1206 	ret = smu_run_btc(smu);
1207 	if (ret)
1208 		return ret;
1209 
1210 	ret = smu_feature_set_allowed_mask(smu);
1211 	if (ret) {
1212 		dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1213 		return ret;
1214 	}
1215 
1216 	ret = smu_system_features_control(smu, true);
1217 	if (ret) {
1218 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1219 		return ret;
1220 	}
1221 
1222 	if (!smu_is_dpm_running(smu))
1223 		dev_info(adev->dev, "dpm has been disabled\n");
1224 
1225 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1226 		pcie_gen = 3;
1227 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1228 		pcie_gen = 2;
1229 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1230 		pcie_gen = 1;
1231 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1232 		pcie_gen = 0;
1233 
1234 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1235 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1236 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1237 	 */
1238 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1239 		pcie_width = 6;
1240 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1241 		pcie_width = 5;
1242 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1243 		pcie_width = 4;
1244 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1245 		pcie_width = 3;
1246 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1247 		pcie_width = 2;
1248 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1249 		pcie_width = 1;
1250 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1251 	if (ret) {
1252 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1253 		return ret;
1254 	}
1255 
1256 	ret = smu_get_thermal_temperature_range(smu);
1257 	if (ret) {
1258 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1259 		return ret;
1260 	}
1261 
1262 	ret = smu_enable_thermal_alert(smu);
1263 	if (ret) {
1264 		dev_err(adev->dev, "Failed to enable thermal alert!\n");
1265 		return ret;
1266 	}
1267 
1268 	/*
1269 	 * Set initialized values (get from vbios) to dpm tables context such as
1270 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1271 	 * type of clks.
1272 	 */
1273 	ret = smu_set_default_dpm_table(smu);
1274 	if (ret) {
1275 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1276 		return ret;
1277 	}
1278 
1279 	ret = smu_notify_display_change(smu);
1280 	if (ret)
1281 		return ret;
1282 
1283 	/*
1284 	 * Set min deep sleep dce fclk with bootup value from vbios via
1285 	 * SetMinDeepSleepDcefclk MSG.
1286 	 */
1287 	ret = smu_set_min_dcef_deep_sleep(smu,
1288 					  smu->smu_table.boot_values.dcefclk / 100);
1289 	if (ret)
1290 		return ret;
1291 
1292 	return ret;
1293 }
1294 
1295 static int smu_start_smc_engine(struct smu_context *smu)
1296 {
1297 	struct amdgpu_device *adev = smu->adev;
1298 	int ret = 0;
1299 
1300 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1301 		if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) {
1302 			if (smu->ppt_funcs->load_microcode) {
1303 				ret = smu->ppt_funcs->load_microcode(smu);
1304 				if (ret)
1305 					return ret;
1306 			}
1307 		}
1308 	}
1309 
1310 	if (smu->ppt_funcs->check_fw_status) {
1311 		ret = smu->ppt_funcs->check_fw_status(smu);
1312 		if (ret) {
1313 			dev_err(adev->dev, "SMC is not ready\n");
1314 			return ret;
1315 		}
1316 	}
1317 
1318 	/*
1319 	 * Send msg GetDriverIfVersion to check if the return value is equal
1320 	 * with DRIVER_IF_VERSION of smc header.
1321 	 */
1322 	ret = smu_check_fw_version(smu);
1323 	if (ret)
1324 		return ret;
1325 
1326 	return ret;
1327 }
1328 
1329 static int smu_hw_init(void *handle)
1330 {
1331 	int ret;
1332 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1333 	struct smu_context *smu = &adev->smu;
1334 
1335 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1336 		smu->pm_enabled = false;
1337 		return 0;
1338 	}
1339 
1340 	ret = smu_start_smc_engine(smu);
1341 	if (ret) {
1342 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1343 		return ret;
1344 	}
1345 
1346 	if (smu->is_apu) {
1347 		smu_powergate_sdma(&adev->smu, false);
1348 		smu_dpm_set_vcn_enable(smu, true);
1349 		smu_dpm_set_jpeg_enable(smu, true);
1350 		smu_set_gfx_cgpg(&adev->smu, true);
1351 	}
1352 
1353 	if (!smu->pm_enabled)
1354 		return 0;
1355 
1356 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1357 	ret = smu_get_vbios_bootup_values(smu);
1358 	if (ret) {
1359 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1360 		return ret;
1361 	}
1362 
1363 	ret = smu_setup_pptable(smu);
1364 	if (ret) {
1365 		dev_err(adev->dev, "Failed to setup pptable!\n");
1366 		return ret;
1367 	}
1368 
1369 	ret = smu_get_driver_allowed_feature_mask(smu);
1370 	if (ret)
1371 		return ret;
1372 
1373 	ret = smu_smc_hw_setup(smu);
1374 	if (ret) {
1375 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1376 		return ret;
1377 	}
1378 
1379 	/*
1380 	 * Move maximum sustainable clock retrieving here considering
1381 	 * 1. It is not needed on resume(from S3).
1382 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1383 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1384 	 *    it cannot be put in .late_init().
1385 	 */
1386 	ret = smu_init_max_sustainable_clocks(smu);
1387 	if (ret) {
1388 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1389 		return ret;
1390 	}
1391 
1392 	adev->pm.dpm_enabled = true;
1393 
1394 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1395 
1396 	return 0;
1397 }
1398 
1399 static int smu_disable_dpms(struct smu_context *smu)
1400 {
1401 	struct amdgpu_device *adev = smu->adev;
1402 	int ret = 0;
1403 	bool use_baco = !smu->is_apu &&
1404 		((amdgpu_in_reset(adev) &&
1405 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1406 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1407 
1408 	/*
1409 	 * For custom pptable uploading, skip the DPM features
1410 	 * disable process on Navi1x ASICs.
1411 	 *   - As the gfx related features are under control of
1412 	 *     RLC on those ASICs. RLC reinitialization will be
1413 	 *     needed to reenable them. That will cost much more
1414 	 *     efforts.
1415 	 *
1416 	 *   - SMU firmware can handle the DPM reenablement
1417 	 *     properly.
1418 	 */
1419 	if (smu->uploading_custom_pp_table) {
1420 		switch (adev->ip_versions[MP1_HWIP][0]) {
1421 		case IP_VERSION(11, 0, 0):
1422 		case IP_VERSION(11, 0, 5):
1423 		case IP_VERSION(11, 0, 9):
1424 		case IP_VERSION(11, 0, 7):
1425 		case IP_VERSION(11, 0, 11):
1426 		case IP_VERSION(11, 5, 0):
1427 		case IP_VERSION(11, 0, 12):
1428 		case IP_VERSION(11, 0, 13):
1429 			return smu_disable_all_features_with_exception(smu,
1430 								       true,
1431 								       SMU_FEATURE_COUNT);
1432 		default:
1433 			break;
1434 		}
1435 	}
1436 
1437 	/*
1438 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1439 	 * on BACO in. Driver involvement is unnecessary.
1440 	 */
1441 	if (use_baco) {
1442 		switch (adev->ip_versions[MP1_HWIP][0]) {
1443 		case IP_VERSION(11, 0, 7):
1444 		case IP_VERSION(11, 0, 0):
1445 		case IP_VERSION(11, 0, 5):
1446 		case IP_VERSION(11, 0, 9):
1447 			return smu_disable_all_features_with_exception(smu,
1448 								       true,
1449 								       SMU_FEATURE_BACO_BIT);
1450 		default:
1451 			break;
1452 		}
1453 	}
1454 
1455 	/*
1456 	 * For gpu reset, runpm and hibernation through BACO,
1457 	 * BACO feature has to be kept enabled.
1458 	 */
1459 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1460 		ret = smu_disable_all_features_with_exception(smu,
1461 							      false,
1462 							      SMU_FEATURE_BACO_BIT);
1463 		if (ret)
1464 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1465 	} else {
1466 		ret = smu_system_features_control(smu, false);
1467 		if (ret)
1468 			dev_err(adev->dev, "Failed to disable smu features.\n");
1469 	}
1470 
1471 	if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0) &&
1472 	    adev->gfx.rlc.funcs->stop)
1473 		adev->gfx.rlc.funcs->stop(adev);
1474 
1475 	return ret;
1476 }
1477 
1478 static int smu_smc_hw_cleanup(struct smu_context *smu)
1479 {
1480 	struct amdgpu_device *adev = smu->adev;
1481 	int ret = 0;
1482 
1483 	cancel_work_sync(&smu->throttling_logging_work);
1484 	cancel_work_sync(&smu->interrupt_work);
1485 
1486 	ret = smu_disable_thermal_alert(smu);
1487 	if (ret) {
1488 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
1489 		return ret;
1490 	}
1491 
1492 	ret = smu_disable_dpms(smu);
1493 	if (ret) {
1494 		dev_err(adev->dev, "Fail to disable dpm features!\n");
1495 		return ret;
1496 	}
1497 
1498 	return 0;
1499 }
1500 
1501 static int smu_hw_fini(void *handle)
1502 {
1503 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1504 	struct smu_context *smu = &adev->smu;
1505 
1506 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1507 		return 0;
1508 
1509 	if (smu->is_apu) {
1510 		smu_powergate_sdma(&adev->smu, true);
1511 	}
1512 
1513 	smu_dpm_set_vcn_enable(smu, false);
1514 	smu_dpm_set_jpeg_enable(smu, false);
1515 
1516 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
1517 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
1518 
1519 	if (!smu->pm_enabled)
1520 		return 0;
1521 
1522 	adev->pm.dpm_enabled = false;
1523 
1524 	return smu_smc_hw_cleanup(smu);
1525 }
1526 
1527 static int smu_reset(struct smu_context *smu)
1528 {
1529 	struct amdgpu_device *adev = smu->adev;
1530 	int ret;
1531 
1532 	amdgpu_gfx_off_ctrl(smu->adev, false);
1533 
1534 	ret = smu_hw_fini(adev);
1535 	if (ret)
1536 		return ret;
1537 
1538 	ret = smu_hw_init(adev);
1539 	if (ret)
1540 		return ret;
1541 
1542 	ret = smu_late_init(adev);
1543 	if (ret)
1544 		return ret;
1545 
1546 	amdgpu_gfx_off_ctrl(smu->adev, true);
1547 
1548 	return 0;
1549 }
1550 
1551 static int smu_suspend(void *handle)
1552 {
1553 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1554 	struct smu_context *smu = &adev->smu;
1555 	int ret;
1556 
1557 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1558 		return 0;
1559 
1560 	if (!smu->pm_enabled)
1561 		return 0;
1562 
1563 	adev->pm.dpm_enabled = false;
1564 
1565 	ret = smu_smc_hw_cleanup(smu);
1566 	if (ret)
1567 		return ret;
1568 
1569 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
1570 
1571 	/* skip CGPG when in S0ix */
1572 	if (smu->is_apu && !adev->in_s0ix)
1573 		smu_set_gfx_cgpg(&adev->smu, false);
1574 
1575 	return 0;
1576 }
1577 
1578 static int smu_resume(void *handle)
1579 {
1580 	int ret;
1581 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1582 	struct smu_context *smu = &adev->smu;
1583 
1584 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1585 		return 0;
1586 
1587 	if (!smu->pm_enabled)
1588 		return 0;
1589 
1590 	dev_info(adev->dev, "SMU is resuming...\n");
1591 
1592 	ret = smu_start_smc_engine(smu);
1593 	if (ret) {
1594 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1595 		return ret;
1596 	}
1597 
1598 	ret = smu_smc_hw_setup(smu);
1599 	if (ret) {
1600 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1601 		return ret;
1602 	}
1603 
1604 	if (smu->is_apu)
1605 		smu_set_gfx_cgpg(&adev->smu, true);
1606 
1607 	smu->disable_uclk_switch = 0;
1608 
1609 	adev->pm.dpm_enabled = true;
1610 
1611 	dev_info(adev->dev, "SMU is resumed successfully!\n");
1612 
1613 	return 0;
1614 }
1615 
1616 static int smu_display_configuration_change(void *handle,
1617 					    const struct amd_pp_display_configuration *display_config)
1618 {
1619 	struct smu_context *smu = handle;
1620 	int index = 0;
1621 	int num_of_active_display = 0;
1622 
1623 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1624 		return -EOPNOTSUPP;
1625 
1626 	if (!display_config)
1627 		return -EINVAL;
1628 
1629 	mutex_lock(&smu->mutex);
1630 
1631 	smu_set_min_dcef_deep_sleep(smu,
1632 				    display_config->min_dcef_deep_sleep_set_clk / 100);
1633 
1634 	for (index = 0; index < display_config->num_path_including_non_display; index++) {
1635 		if (display_config->displays[index].controller_id != 0)
1636 			num_of_active_display++;
1637 	}
1638 
1639 	mutex_unlock(&smu->mutex);
1640 
1641 	return 0;
1642 }
1643 
1644 static int smu_set_clockgating_state(void *handle,
1645 				     enum amd_clockgating_state state)
1646 {
1647 	return 0;
1648 }
1649 
1650 static int smu_set_powergating_state(void *handle,
1651 				     enum amd_powergating_state state)
1652 {
1653 	return 0;
1654 }
1655 
1656 static int smu_enable_umd_pstate(void *handle,
1657 		      enum amd_dpm_forced_level *level)
1658 {
1659 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
1660 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
1661 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
1662 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
1663 
1664 	struct smu_context *smu = (struct smu_context*)(handle);
1665 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1666 
1667 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1668 		return -EINVAL;
1669 
1670 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
1671 		/* enter umd pstate, save current level, disable gfx cg*/
1672 		if (*level & profile_mode_mask) {
1673 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
1674 			smu_dpm_ctx->enable_umd_pstate = true;
1675 			smu_gpo_control(smu, false);
1676 			amdgpu_device_ip_set_powergating_state(smu->adev,
1677 							       AMD_IP_BLOCK_TYPE_GFX,
1678 							       AMD_PG_STATE_UNGATE);
1679 			amdgpu_device_ip_set_clockgating_state(smu->adev,
1680 							       AMD_IP_BLOCK_TYPE_GFX,
1681 							       AMD_CG_STATE_UNGATE);
1682 			smu_gfx_ulv_control(smu, false);
1683 			smu_deep_sleep_control(smu, false);
1684 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
1685 		}
1686 	} else {
1687 		/* exit umd pstate, restore level, enable gfx cg*/
1688 		if (!(*level & profile_mode_mask)) {
1689 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
1690 				*level = smu_dpm_ctx->saved_dpm_level;
1691 			smu_dpm_ctx->enable_umd_pstate = false;
1692 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
1693 			smu_deep_sleep_control(smu, true);
1694 			smu_gfx_ulv_control(smu, true);
1695 			amdgpu_device_ip_set_clockgating_state(smu->adev,
1696 							       AMD_IP_BLOCK_TYPE_GFX,
1697 							       AMD_CG_STATE_GATE);
1698 			amdgpu_device_ip_set_powergating_state(smu->adev,
1699 							       AMD_IP_BLOCK_TYPE_GFX,
1700 							       AMD_PG_STATE_GATE);
1701 			smu_gpo_control(smu, true);
1702 		}
1703 	}
1704 
1705 	return 0;
1706 }
1707 
1708 static int smu_bump_power_profile_mode(struct smu_context *smu,
1709 					   long *param,
1710 					   uint32_t param_size)
1711 {
1712 	int ret = 0;
1713 
1714 	if (smu->ppt_funcs->set_power_profile_mode)
1715 		ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
1716 
1717 	return ret;
1718 }
1719 
1720 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
1721 				   enum amd_dpm_forced_level level,
1722 				   bool skip_display_settings)
1723 {
1724 	int ret = 0;
1725 	int index = 0;
1726 	long workload;
1727 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1728 
1729 	if (!skip_display_settings) {
1730 		ret = smu_display_config_changed(smu);
1731 		if (ret) {
1732 			dev_err(smu->adev->dev, "Failed to change display config!");
1733 			return ret;
1734 		}
1735 	}
1736 
1737 	ret = smu_apply_clocks_adjust_rules(smu);
1738 	if (ret) {
1739 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
1740 		return ret;
1741 	}
1742 
1743 	if (!skip_display_settings) {
1744 		ret = smu_notify_smc_display_config(smu);
1745 		if (ret) {
1746 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
1747 			return ret;
1748 		}
1749 	}
1750 
1751 	if (smu_dpm_ctx->dpm_level != level) {
1752 		ret = smu_asic_set_performance_level(smu, level);
1753 		if (ret) {
1754 			dev_err(smu->adev->dev, "Failed to set performance level!");
1755 			return ret;
1756 		}
1757 
1758 		/* update the saved copy */
1759 		smu_dpm_ctx->dpm_level = level;
1760 	}
1761 
1762 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1763 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
1764 		index = fls(smu->workload_mask);
1765 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1766 		workload = smu->workload_setting[index];
1767 
1768 		if (smu->power_profile_mode != workload)
1769 			smu_bump_power_profile_mode(smu, &workload, 0);
1770 	}
1771 
1772 	return ret;
1773 }
1774 
1775 static int smu_handle_task(struct smu_context *smu,
1776 			   enum amd_dpm_forced_level level,
1777 			   enum amd_pp_task task_id,
1778 			   bool lock_needed)
1779 {
1780 	int ret = 0;
1781 
1782 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1783 		return -EOPNOTSUPP;
1784 
1785 	if (lock_needed)
1786 		mutex_lock(&smu->mutex);
1787 
1788 	switch (task_id) {
1789 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
1790 		ret = smu_pre_display_config_changed(smu);
1791 		if (ret)
1792 			goto out;
1793 		ret = smu_adjust_power_state_dynamic(smu, level, false);
1794 		break;
1795 	case AMD_PP_TASK_COMPLETE_INIT:
1796 	case AMD_PP_TASK_READJUST_POWER_STATE:
1797 		ret = smu_adjust_power_state_dynamic(smu, level, true);
1798 		break;
1799 	default:
1800 		break;
1801 	}
1802 
1803 out:
1804 	if (lock_needed)
1805 		mutex_unlock(&smu->mutex);
1806 
1807 	return ret;
1808 }
1809 
1810 static int smu_handle_dpm_task(void *handle,
1811 			       enum amd_pp_task task_id,
1812 			       enum amd_pm_state_type *user_state)
1813 {
1814 	struct smu_context *smu = handle;
1815 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
1816 
1817 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id, true);
1818 
1819 }
1820 
1821 static int smu_switch_power_profile(void *handle,
1822 				    enum PP_SMC_POWER_PROFILE type,
1823 				    bool en)
1824 {
1825 	struct smu_context *smu = handle;
1826 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1827 	long workload;
1828 	uint32_t index;
1829 
1830 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1831 		return -EOPNOTSUPP;
1832 
1833 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
1834 		return -EINVAL;
1835 
1836 	mutex_lock(&smu->mutex);
1837 
1838 	if (!en) {
1839 		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
1840 		index = fls(smu->workload_mask);
1841 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1842 		workload = smu->workload_setting[index];
1843 	} else {
1844 		smu->workload_mask |= (1 << smu->workload_prority[type]);
1845 		index = fls(smu->workload_mask);
1846 		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1847 		workload = smu->workload_setting[index];
1848 	}
1849 
1850 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1851 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
1852 		smu_bump_power_profile_mode(smu, &workload, 0);
1853 
1854 	mutex_unlock(&smu->mutex);
1855 
1856 	return 0;
1857 }
1858 
1859 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
1860 {
1861 	struct smu_context *smu = handle;
1862 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1863 	enum amd_dpm_forced_level level;
1864 
1865 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1866 		return -EOPNOTSUPP;
1867 
1868 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1869 		return -EINVAL;
1870 
1871 	mutex_lock(&(smu->mutex));
1872 	level = smu_dpm_ctx->dpm_level;
1873 	mutex_unlock(&(smu->mutex));
1874 
1875 	return level;
1876 }
1877 
1878 static int smu_force_performance_level(void *handle,
1879 				       enum amd_dpm_forced_level level)
1880 {
1881 	struct smu_context *smu = handle;
1882 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1883 	int ret = 0;
1884 
1885 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1886 		return -EOPNOTSUPP;
1887 
1888 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1889 		return -EINVAL;
1890 
1891 	mutex_lock(&smu->mutex);
1892 
1893 	ret = smu_enable_umd_pstate(smu, &level);
1894 	if (ret) {
1895 		mutex_unlock(&smu->mutex);
1896 		return ret;
1897 	}
1898 
1899 	ret = smu_handle_task(smu, level,
1900 			      AMD_PP_TASK_READJUST_POWER_STATE,
1901 			      false);
1902 
1903 	mutex_unlock(&smu->mutex);
1904 
1905 	/* reset user dpm clock state */
1906 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
1907 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
1908 		smu->user_dpm_profile.clk_dependency = 0;
1909 	}
1910 
1911 	return ret;
1912 }
1913 
1914 static int smu_set_display_count(void *handle, uint32_t count)
1915 {
1916 	struct smu_context *smu = handle;
1917 	int ret = 0;
1918 
1919 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1920 		return -EOPNOTSUPP;
1921 
1922 	mutex_lock(&smu->mutex);
1923 	ret = smu_init_display_count(smu, count);
1924 	mutex_unlock(&smu->mutex);
1925 
1926 	return ret;
1927 }
1928 
1929 static int smu_force_smuclk_levels(struct smu_context *smu,
1930 			 enum smu_clk_type clk_type,
1931 			 uint32_t mask)
1932 {
1933 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1934 	int ret = 0;
1935 
1936 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1937 		return -EOPNOTSUPP;
1938 
1939 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
1940 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
1941 		return -EINVAL;
1942 	}
1943 
1944 	mutex_lock(&smu->mutex);
1945 
1946 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
1947 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
1948 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
1949 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
1950 			smu_set_user_clk_dependencies(smu, clk_type);
1951 		}
1952 	}
1953 
1954 	mutex_unlock(&smu->mutex);
1955 
1956 	return ret;
1957 }
1958 
1959 static int smu_force_ppclk_levels(void *handle,
1960 				  enum pp_clock_type type,
1961 				  uint32_t mask)
1962 {
1963 	struct smu_context *smu = handle;
1964 	enum smu_clk_type clk_type;
1965 
1966 	switch (type) {
1967 	case PP_SCLK:
1968 		clk_type = SMU_SCLK; break;
1969 	case PP_MCLK:
1970 		clk_type = SMU_MCLK; break;
1971 	case PP_PCIE:
1972 		clk_type = SMU_PCIE; break;
1973 	case PP_SOCCLK:
1974 		clk_type = SMU_SOCCLK; break;
1975 	case PP_FCLK:
1976 		clk_type = SMU_FCLK; break;
1977 	case PP_DCEFCLK:
1978 		clk_type = SMU_DCEFCLK; break;
1979 	case PP_VCLK:
1980 		clk_type = SMU_VCLK; break;
1981 	case PP_DCLK:
1982 		clk_type = SMU_DCLK; break;
1983 	case OD_SCLK:
1984 		clk_type = SMU_OD_SCLK; break;
1985 	case OD_MCLK:
1986 		clk_type = SMU_OD_MCLK; break;
1987 	case OD_VDDC_CURVE:
1988 		clk_type = SMU_OD_VDDC_CURVE; break;
1989 	case OD_RANGE:
1990 		clk_type = SMU_OD_RANGE; break;
1991 	default:
1992 		return -EINVAL;
1993 	}
1994 
1995 	return smu_force_smuclk_levels(smu, clk_type, mask);
1996 }
1997 
1998 /*
1999  * On system suspending or resetting, the dpm_enabled
2000  * flag will be cleared. So that those SMU services which
2001  * are not supported will be gated.
2002  * However, the mp1 state setting should still be granted
2003  * even if the dpm_enabled cleared.
2004  */
2005 static int smu_set_mp1_state(void *handle,
2006 			     enum pp_mp1_state mp1_state)
2007 {
2008 	struct smu_context *smu = handle;
2009 	int ret = 0;
2010 
2011 	if (!smu->pm_enabled)
2012 		return -EOPNOTSUPP;
2013 
2014 	mutex_lock(&smu->mutex);
2015 
2016 	if (smu->ppt_funcs &&
2017 	    smu->ppt_funcs->set_mp1_state)
2018 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2019 
2020 	mutex_unlock(&smu->mutex);
2021 
2022 	return ret;
2023 }
2024 
2025 static int smu_set_df_cstate(void *handle,
2026 			     enum pp_df_cstate state)
2027 {
2028 	struct smu_context *smu = handle;
2029 	int ret = 0;
2030 
2031 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2032 		return -EOPNOTSUPP;
2033 
2034 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2035 		return 0;
2036 
2037 	mutex_lock(&smu->mutex);
2038 
2039 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2040 	if (ret)
2041 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2042 
2043 	mutex_unlock(&smu->mutex);
2044 
2045 	return ret;
2046 }
2047 
2048 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
2049 {
2050 	int ret = 0;
2051 
2052 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2053 		return -EOPNOTSUPP;
2054 
2055 	if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
2056 		return 0;
2057 
2058 	mutex_lock(&smu->mutex);
2059 
2060 	ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
2061 	if (ret)
2062 		dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n");
2063 
2064 	mutex_unlock(&smu->mutex);
2065 
2066 	return ret;
2067 }
2068 
2069 int smu_write_watermarks_table(struct smu_context *smu)
2070 {
2071 	int ret = 0;
2072 
2073 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2074 		return -EOPNOTSUPP;
2075 
2076 	mutex_lock(&smu->mutex);
2077 
2078 	ret = smu_set_watermarks_table(smu, NULL);
2079 
2080 	mutex_unlock(&smu->mutex);
2081 
2082 	return ret;
2083 }
2084 
2085 static int smu_set_watermarks_for_clock_ranges(void *handle,
2086 					       struct pp_smu_wm_range_sets *clock_ranges)
2087 {
2088 	struct smu_context *smu = handle;
2089 	int ret = 0;
2090 
2091 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2092 		return -EOPNOTSUPP;
2093 
2094 	if (smu->disable_watermark)
2095 		return 0;
2096 
2097 	mutex_lock(&smu->mutex);
2098 
2099 	ret = smu_set_watermarks_table(smu, clock_ranges);
2100 
2101 	mutex_unlock(&smu->mutex);
2102 
2103 	return ret;
2104 }
2105 
2106 int smu_set_ac_dc(struct smu_context *smu)
2107 {
2108 	int ret = 0;
2109 
2110 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2111 		return -EOPNOTSUPP;
2112 
2113 	/* controlled by firmware */
2114 	if (smu->dc_controlled_by_gpio)
2115 		return 0;
2116 
2117 	mutex_lock(&smu->mutex);
2118 	ret = smu_set_power_source(smu,
2119 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2120 				   SMU_POWER_SOURCE_DC);
2121 	if (ret)
2122 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2123 		       smu->adev->pm.ac_power ? "AC" : "DC");
2124 	mutex_unlock(&smu->mutex);
2125 
2126 	return ret;
2127 }
2128 
2129 const struct amd_ip_funcs smu_ip_funcs = {
2130 	.name = "smu",
2131 	.early_init = smu_early_init,
2132 	.late_init = smu_late_init,
2133 	.sw_init = smu_sw_init,
2134 	.sw_fini = smu_sw_fini,
2135 	.hw_init = smu_hw_init,
2136 	.hw_fini = smu_hw_fini,
2137 	.suspend = smu_suspend,
2138 	.resume = smu_resume,
2139 	.is_idle = NULL,
2140 	.check_soft_reset = NULL,
2141 	.wait_for_idle = NULL,
2142 	.soft_reset = NULL,
2143 	.set_clockgating_state = smu_set_clockgating_state,
2144 	.set_powergating_state = smu_set_powergating_state,
2145 	.enable_umd_pstate = smu_enable_umd_pstate,
2146 };
2147 
2148 const struct amdgpu_ip_block_version smu_v11_0_ip_block =
2149 {
2150 	.type = AMD_IP_BLOCK_TYPE_SMC,
2151 	.major = 11,
2152 	.minor = 0,
2153 	.rev = 0,
2154 	.funcs = &smu_ip_funcs,
2155 };
2156 
2157 const struct amdgpu_ip_block_version smu_v12_0_ip_block =
2158 {
2159 	.type = AMD_IP_BLOCK_TYPE_SMC,
2160 	.major = 12,
2161 	.minor = 0,
2162 	.rev = 0,
2163 	.funcs = &smu_ip_funcs,
2164 };
2165 
2166 const struct amdgpu_ip_block_version smu_v13_0_ip_block =
2167 {
2168 	.type = AMD_IP_BLOCK_TYPE_SMC,
2169 	.major = 13,
2170 	.minor = 0,
2171 	.rev = 0,
2172 	.funcs = &smu_ip_funcs,
2173 };
2174 
2175 static int smu_load_microcode(void *handle)
2176 {
2177 	struct smu_context *smu = handle;
2178 	struct amdgpu_device *adev = smu->adev;
2179 	int ret = 0;
2180 
2181 	if (!smu->pm_enabled)
2182 		return -EOPNOTSUPP;
2183 
2184 	/* This should be used for non PSP loading */
2185 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2186 		return 0;
2187 
2188 	if (smu->ppt_funcs->load_microcode) {
2189 		ret = smu->ppt_funcs->load_microcode(smu);
2190 		if (ret) {
2191 			dev_err(adev->dev, "Load microcode failed\n");
2192 			return ret;
2193 		}
2194 	}
2195 
2196 	if (smu->ppt_funcs->check_fw_status) {
2197 		ret = smu->ppt_funcs->check_fw_status(smu);
2198 		if (ret) {
2199 			dev_err(adev->dev, "SMC is not ready\n");
2200 			return ret;
2201 		}
2202 	}
2203 
2204 	return ret;
2205 }
2206 
2207 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2208 {
2209 	int ret = 0;
2210 
2211 	mutex_lock(&smu->mutex);
2212 
2213 	if (smu->ppt_funcs->set_gfx_cgpg)
2214 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2215 
2216 	mutex_unlock(&smu->mutex);
2217 
2218 	return ret;
2219 }
2220 
2221 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2222 {
2223 	struct smu_context *smu = handle;
2224 	int ret = 0;
2225 
2226 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2227 		return -EOPNOTSUPP;
2228 
2229 	mutex_lock(&smu->mutex);
2230 
2231 	if (smu->ppt_funcs->set_fan_speed_rpm) {
2232 		ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2233 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2234 			smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2235 			smu->user_dpm_profile.fan_speed_rpm = speed;
2236 
2237 			/* Override custom PWM setting as they cannot co-exist */
2238 			smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2239 			smu->user_dpm_profile.fan_speed_pwm = 0;
2240 		}
2241 	}
2242 
2243 	mutex_unlock(&smu->mutex);
2244 
2245 	return ret;
2246 }
2247 
2248 /**
2249  * smu_get_power_limit - Request one of the SMU Power Limits
2250  *
2251  * @handle: pointer to smu context
2252  * @limit: requested limit is written back to this variable
2253  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2254  * @pp_power_type: &pp_power_type type of power
2255  * Return:  0 on success, <0 on error
2256  *
2257  */
2258 int smu_get_power_limit(void *handle,
2259 			uint32_t *limit,
2260 			enum pp_power_limit_level pp_limit_level,
2261 			enum pp_power_type pp_power_type)
2262 {
2263 	struct smu_context *smu = handle;
2264 	struct amdgpu_device *adev = smu->adev;
2265 	enum smu_ppt_limit_level limit_level;
2266 	uint32_t limit_type;
2267 	int ret = 0;
2268 
2269 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2270 		return -EOPNOTSUPP;
2271 
2272 	switch(pp_power_type) {
2273 	case PP_PWR_TYPE_SUSTAINED:
2274 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2275 		break;
2276 	case PP_PWR_TYPE_FAST:
2277 		limit_type = SMU_FAST_PPT_LIMIT;
2278 		break;
2279 	default:
2280 		return -EOPNOTSUPP;
2281 		break;
2282 	}
2283 
2284 	switch(pp_limit_level){
2285 	case PP_PWR_LIMIT_CURRENT:
2286 		limit_level = SMU_PPT_LIMIT_CURRENT;
2287 		break;
2288 	case PP_PWR_LIMIT_DEFAULT:
2289 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2290 		break;
2291 	case PP_PWR_LIMIT_MAX:
2292 		limit_level = SMU_PPT_LIMIT_MAX;
2293 		break;
2294 	case PP_PWR_LIMIT_MIN:
2295 	default:
2296 		return -EOPNOTSUPP;
2297 		break;
2298 	}
2299 
2300 	mutex_lock(&smu->mutex);
2301 
2302 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2303 		if (smu->ppt_funcs->get_ppt_limit)
2304 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2305 	} else {
2306 		switch (limit_level) {
2307 		case SMU_PPT_LIMIT_CURRENT:
2308 			switch (adev->ip_versions[MP1_HWIP][0]) {
2309 			case IP_VERSION(13, 0, 2):
2310 			case IP_VERSION(11, 0, 7):
2311 			case IP_VERSION(11, 0, 11):
2312 			case IP_VERSION(11, 0, 12):
2313 			case IP_VERSION(11, 0, 13):
2314 				ret = smu_get_asic_power_limits(smu,
2315 								&smu->current_power_limit,
2316 								NULL,
2317 								NULL);
2318 				break;
2319 			default:
2320 				break;
2321 			}
2322 			*limit = smu->current_power_limit;
2323 			break;
2324 		case SMU_PPT_LIMIT_DEFAULT:
2325 			*limit = smu->default_power_limit;
2326 			break;
2327 		case SMU_PPT_LIMIT_MAX:
2328 			*limit = smu->max_power_limit;
2329 			break;
2330 		default:
2331 			break;
2332 		}
2333 	}
2334 
2335 	mutex_unlock(&smu->mutex);
2336 
2337 	return ret;
2338 }
2339 
2340 static int smu_set_power_limit(void *handle, uint32_t limit)
2341 {
2342 	struct smu_context *smu = handle;
2343 	uint32_t limit_type = limit >> 24;
2344 	int ret = 0;
2345 
2346 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2347 		return -EOPNOTSUPP;
2348 
2349 	mutex_lock(&smu->mutex);
2350 
2351 	limit &= (1<<24)-1;
2352 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2353 		if (smu->ppt_funcs->set_power_limit) {
2354 			ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2355 			goto out;
2356 		}
2357 
2358 	if (limit > smu->max_power_limit) {
2359 		dev_err(smu->adev->dev,
2360 			"New power limit (%d) is over the max allowed %d\n",
2361 			limit, smu->max_power_limit);
2362 		ret = -EINVAL;
2363 		goto out;
2364 	}
2365 
2366 	if (!limit)
2367 		limit = smu->current_power_limit;
2368 
2369 	if (smu->ppt_funcs->set_power_limit) {
2370 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2371 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2372 			smu->user_dpm_profile.power_limit = limit;
2373 	}
2374 
2375 out:
2376 	mutex_unlock(&smu->mutex);
2377 
2378 	return ret;
2379 }
2380 
2381 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2382 {
2383 	int ret = 0;
2384 
2385 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2386 		return -EOPNOTSUPP;
2387 
2388 	mutex_lock(&smu->mutex);
2389 
2390 	if (smu->ppt_funcs->print_clk_levels)
2391 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2392 
2393 	mutex_unlock(&smu->mutex);
2394 
2395 	return ret;
2396 }
2397 
2398 static int smu_print_ppclk_levels(void *handle,
2399 				  enum pp_clock_type type,
2400 				  char *buf)
2401 {
2402 	struct smu_context *smu = handle;
2403 	enum smu_clk_type clk_type;
2404 
2405 	switch (type) {
2406 	case PP_SCLK:
2407 		clk_type = SMU_SCLK; break;
2408 	case PP_MCLK:
2409 		clk_type = SMU_MCLK; break;
2410 	case PP_PCIE:
2411 		clk_type = SMU_PCIE; break;
2412 	case PP_SOCCLK:
2413 		clk_type = SMU_SOCCLK; break;
2414 	case PP_FCLK:
2415 		clk_type = SMU_FCLK; break;
2416 	case PP_DCEFCLK:
2417 		clk_type = SMU_DCEFCLK; break;
2418 	case PP_VCLK:
2419 		clk_type = SMU_VCLK; break;
2420 	case PP_DCLK:
2421 		clk_type = SMU_DCLK; break;
2422 	case OD_SCLK:
2423 		clk_type = SMU_OD_SCLK; break;
2424 	case OD_MCLK:
2425 		clk_type = SMU_OD_MCLK; break;
2426 	case OD_VDDC_CURVE:
2427 		clk_type = SMU_OD_VDDC_CURVE; break;
2428 	case OD_RANGE:
2429 		clk_type = SMU_OD_RANGE; break;
2430 	case OD_VDDGFX_OFFSET:
2431 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2432 	case OD_CCLK:
2433 		clk_type = SMU_OD_CCLK; break;
2434 	default:
2435 		return -EINVAL;
2436 	}
2437 
2438 	return smu_print_smuclk_levels(smu, clk_type, buf);
2439 }
2440 
2441 static int smu_od_edit_dpm_table(void *handle,
2442 				 enum PP_OD_DPM_TABLE_COMMAND type,
2443 				 long *input, uint32_t size)
2444 {
2445 	struct smu_context *smu = handle;
2446 	int ret = 0;
2447 
2448 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2449 		return -EOPNOTSUPP;
2450 
2451 	mutex_lock(&smu->mutex);
2452 
2453 	if (smu->ppt_funcs->od_edit_dpm_table) {
2454 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2455 	}
2456 
2457 	mutex_unlock(&smu->mutex);
2458 
2459 	return ret;
2460 }
2461 
2462 static int smu_read_sensor(void *handle,
2463 			   int sensor,
2464 			   void *data,
2465 			   int *size_arg)
2466 {
2467 	struct smu_context *smu = handle;
2468 	struct smu_umd_pstate_table *pstate_table =
2469 				&smu->pstate_table;
2470 	int ret = 0;
2471 	uint32_t *size, size_val;
2472 
2473 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2474 		return -EOPNOTSUPP;
2475 
2476 	if (!data || !size_arg)
2477 		return -EINVAL;
2478 
2479 	size_val = *size_arg;
2480 	size = &size_val;
2481 
2482 	mutex_lock(&smu->mutex);
2483 
2484 	if (smu->ppt_funcs->read_sensor)
2485 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2486 			goto unlock;
2487 
2488 	switch (sensor) {
2489 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2490 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2491 		*size = 4;
2492 		break;
2493 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2494 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2495 		*size = 4;
2496 		break;
2497 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2498 		ret = smu_feature_get_enabled_mask(smu, (uint32_t *)data, 2);
2499 		*size = 8;
2500 		break;
2501 	case AMDGPU_PP_SENSOR_UVD_POWER:
2502 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2503 		*size = 4;
2504 		break;
2505 	case AMDGPU_PP_SENSOR_VCE_POWER:
2506 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2507 		*size = 4;
2508 		break;
2509 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2510 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1;
2511 		*size = 4;
2512 		break;
2513 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2514 		*(uint32_t *)data = 0;
2515 		*size = 4;
2516 		break;
2517 	default:
2518 		*size = 0;
2519 		ret = -EOPNOTSUPP;
2520 		break;
2521 	}
2522 
2523 unlock:
2524 	mutex_unlock(&smu->mutex);
2525 
2526 	// assign uint32_t to int
2527 	*size_arg = size_val;
2528 
2529 	return ret;
2530 }
2531 
2532 static int smu_get_power_profile_mode(void *handle, char *buf)
2533 {
2534 	struct smu_context *smu = handle;
2535 	int ret = 0;
2536 
2537 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2538 		return -EOPNOTSUPP;
2539 
2540 	mutex_lock(&smu->mutex);
2541 
2542 	if (smu->ppt_funcs->get_power_profile_mode)
2543 		ret = smu->ppt_funcs->get_power_profile_mode(smu, buf);
2544 
2545 	mutex_unlock(&smu->mutex);
2546 
2547 	return ret;
2548 }
2549 
2550 static int smu_set_power_profile_mode(void *handle,
2551 				      long *param,
2552 				      uint32_t param_size)
2553 {
2554 	struct smu_context *smu = handle;
2555 	int ret = 0;
2556 
2557 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2558 		return -EOPNOTSUPP;
2559 
2560 	mutex_lock(&smu->mutex);
2561 
2562 	smu_bump_power_profile_mode(smu, param, param_size);
2563 
2564 	mutex_unlock(&smu->mutex);
2565 
2566 	return ret;
2567 }
2568 
2569 
2570 static u32 smu_get_fan_control_mode(void *handle)
2571 {
2572 	struct smu_context *smu = handle;
2573 	u32 ret = 0;
2574 
2575 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2576 		return AMD_FAN_CTRL_NONE;
2577 
2578 	mutex_lock(&smu->mutex);
2579 
2580 	if (smu->ppt_funcs->get_fan_control_mode)
2581 		ret = smu->ppt_funcs->get_fan_control_mode(smu);
2582 
2583 	mutex_unlock(&smu->mutex);
2584 
2585 	return ret;
2586 }
2587 
2588 static int smu_set_fan_control_mode(struct smu_context *smu, int value)
2589 {
2590 	int ret = 0;
2591 
2592 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2593 		return  -EOPNOTSUPP;
2594 
2595 	mutex_lock(&smu->mutex);
2596 
2597 	if (smu->ppt_funcs->set_fan_control_mode) {
2598 		ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
2599 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2600 			smu->user_dpm_profile.fan_mode = value;
2601 	}
2602 
2603 	mutex_unlock(&smu->mutex);
2604 
2605 	/* reset user dpm fan speed */
2606 	if (!ret && value != AMD_FAN_CTRL_MANUAL &&
2607 			!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2608 		smu->user_dpm_profile.fan_speed_pwm = 0;
2609 		smu->user_dpm_profile.fan_speed_rpm = 0;
2610 		smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
2611 	}
2612 
2613 	return ret;
2614 }
2615 
2616 static void smu_pp_set_fan_control_mode(void *handle, u32 value)
2617 {
2618 	struct smu_context *smu = handle;
2619 
2620 	smu_set_fan_control_mode(smu, value);
2621 }
2622 
2623 
2624 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
2625 {
2626 	struct smu_context *smu = handle;
2627 	int ret = 0;
2628 
2629 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2630 		return -EOPNOTSUPP;
2631 
2632 	mutex_lock(&smu->mutex);
2633 
2634 	if (smu->ppt_funcs->get_fan_speed_pwm)
2635 		ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
2636 
2637 	mutex_unlock(&smu->mutex);
2638 
2639 	return ret;
2640 }
2641 
2642 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
2643 {
2644 	struct smu_context *smu = handle;
2645 	int ret = 0;
2646 
2647 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2648 		return -EOPNOTSUPP;
2649 
2650 	mutex_lock(&smu->mutex);
2651 
2652 	if (smu->ppt_funcs->set_fan_speed_pwm) {
2653 		ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
2654 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2655 			smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
2656 			smu->user_dpm_profile.fan_speed_pwm = speed;
2657 
2658 			/* Override custom RPM setting as they cannot co-exist */
2659 			smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
2660 			smu->user_dpm_profile.fan_speed_rpm = 0;
2661 		}
2662 	}
2663 
2664 	mutex_unlock(&smu->mutex);
2665 
2666 	return ret;
2667 }
2668 
2669 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
2670 {
2671 	struct smu_context *smu = handle;
2672 	int ret = 0;
2673 
2674 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2675 		return -EOPNOTSUPP;
2676 
2677 	mutex_lock(&smu->mutex);
2678 
2679 	if (smu->ppt_funcs->get_fan_speed_rpm)
2680 		ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
2681 
2682 	mutex_unlock(&smu->mutex);
2683 
2684 	return ret;
2685 }
2686 
2687 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
2688 {
2689 	struct smu_context *smu = handle;
2690 	int ret = 0;
2691 
2692 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2693 		return -EOPNOTSUPP;
2694 
2695 	mutex_lock(&smu->mutex);
2696 
2697 	ret = smu_set_min_dcef_deep_sleep(smu, clk);
2698 
2699 	mutex_unlock(&smu->mutex);
2700 
2701 	return ret;
2702 }
2703 
2704 static int smu_get_clock_by_type_with_latency(void *handle,
2705 					      enum amd_pp_clock_type type,
2706 					      struct pp_clock_levels_with_latency *clocks)
2707 {
2708 	struct smu_context *smu = handle;
2709 	enum smu_clk_type clk_type;
2710 	int ret = 0;
2711 
2712 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2713 		return -EOPNOTSUPP;
2714 
2715 	mutex_lock(&smu->mutex);
2716 
2717 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
2718 		switch (type) {
2719 		case amd_pp_sys_clock:
2720 			clk_type = SMU_GFXCLK;
2721 			break;
2722 		case amd_pp_mem_clock:
2723 			clk_type = SMU_MCLK;
2724 			break;
2725 		case amd_pp_dcef_clock:
2726 			clk_type = SMU_DCEFCLK;
2727 			break;
2728 		case amd_pp_disp_clock:
2729 			clk_type = SMU_DISPCLK;
2730 			break;
2731 		default:
2732 			dev_err(smu->adev->dev, "Invalid clock type!\n");
2733 			mutex_unlock(&smu->mutex);
2734 			return -EINVAL;
2735 		}
2736 
2737 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
2738 	}
2739 
2740 	mutex_unlock(&smu->mutex);
2741 
2742 	return ret;
2743 }
2744 
2745 static int smu_display_clock_voltage_request(void *handle,
2746 					     struct pp_display_clock_request *clock_req)
2747 {
2748 	struct smu_context *smu = handle;
2749 	int ret = 0;
2750 
2751 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2752 		return -EOPNOTSUPP;
2753 
2754 	mutex_lock(&smu->mutex);
2755 
2756 	if (smu->ppt_funcs->display_clock_voltage_request)
2757 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
2758 
2759 	mutex_unlock(&smu->mutex);
2760 
2761 	return ret;
2762 }
2763 
2764 
2765 static int smu_display_disable_memory_clock_switch(void *handle,
2766 						   bool disable_memory_clock_switch)
2767 {
2768 	struct smu_context *smu = handle;
2769 	int ret = -EINVAL;
2770 
2771 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2772 		return -EOPNOTSUPP;
2773 
2774 	mutex_lock(&smu->mutex);
2775 
2776 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
2777 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
2778 
2779 	mutex_unlock(&smu->mutex);
2780 
2781 	return ret;
2782 }
2783 
2784 static int smu_set_xgmi_pstate(void *handle,
2785 			       uint32_t pstate)
2786 {
2787 	struct smu_context *smu = handle;
2788 	int ret = 0;
2789 
2790 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2791 		return -EOPNOTSUPP;
2792 
2793 	mutex_lock(&smu->mutex);
2794 
2795 	if (smu->ppt_funcs->set_xgmi_pstate)
2796 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
2797 
2798 	mutex_unlock(&smu->mutex);
2799 
2800 	if(ret)
2801 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
2802 
2803 	return ret;
2804 }
2805 
2806 static int smu_get_baco_capability(void *handle, bool *cap)
2807 {
2808 	struct smu_context *smu = handle;
2809 	int ret = 0;
2810 
2811 	*cap = false;
2812 
2813 	if (!smu->pm_enabled)
2814 		return 0;
2815 
2816 	mutex_lock(&smu->mutex);
2817 
2818 	if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
2819 		*cap = smu->ppt_funcs->baco_is_support(smu);
2820 
2821 	mutex_unlock(&smu->mutex);
2822 
2823 	return ret;
2824 }
2825 
2826 static int smu_baco_set_state(void *handle, int state)
2827 {
2828 	struct smu_context *smu = handle;
2829 	int ret = 0;
2830 
2831 	if (!smu->pm_enabled)
2832 		return -EOPNOTSUPP;
2833 
2834 	if (state == 0) {
2835 		mutex_lock(&smu->mutex);
2836 
2837 		if (smu->ppt_funcs->baco_exit)
2838 			ret = smu->ppt_funcs->baco_exit(smu);
2839 
2840 		mutex_unlock(&smu->mutex);
2841 	} else if (state == 1) {
2842 		mutex_lock(&smu->mutex);
2843 
2844 		if (smu->ppt_funcs->baco_enter)
2845 			ret = smu->ppt_funcs->baco_enter(smu);
2846 
2847 		mutex_unlock(&smu->mutex);
2848 
2849 	} else {
2850 		return -EINVAL;
2851 	}
2852 
2853 	if (ret)
2854 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
2855 				(state)?"enter":"exit");
2856 
2857 	return ret;
2858 }
2859 
2860 bool smu_mode1_reset_is_support(struct smu_context *smu)
2861 {
2862 	bool ret = false;
2863 
2864 	if (!smu->pm_enabled)
2865 		return false;
2866 
2867 	mutex_lock(&smu->mutex);
2868 
2869 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
2870 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
2871 
2872 	mutex_unlock(&smu->mutex);
2873 
2874 	return ret;
2875 }
2876 
2877 bool smu_mode2_reset_is_support(struct smu_context *smu)
2878 {
2879 	bool ret = false;
2880 
2881 	if (!smu->pm_enabled)
2882 		return false;
2883 
2884 	mutex_lock(&smu->mutex);
2885 
2886 	if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
2887 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
2888 
2889 	mutex_unlock(&smu->mutex);
2890 
2891 	return ret;
2892 }
2893 
2894 int smu_mode1_reset(struct smu_context *smu)
2895 {
2896 	int ret = 0;
2897 
2898 	if (!smu->pm_enabled)
2899 		return -EOPNOTSUPP;
2900 
2901 	mutex_lock(&smu->mutex);
2902 
2903 	if (smu->ppt_funcs->mode1_reset)
2904 		ret = smu->ppt_funcs->mode1_reset(smu);
2905 
2906 	mutex_unlock(&smu->mutex);
2907 
2908 	return ret;
2909 }
2910 
2911 static int smu_mode2_reset(void *handle)
2912 {
2913 	struct smu_context *smu = handle;
2914 	int ret = 0;
2915 
2916 	if (!smu->pm_enabled)
2917 		return -EOPNOTSUPP;
2918 
2919 	mutex_lock(&smu->mutex);
2920 
2921 	if (smu->ppt_funcs->mode2_reset)
2922 		ret = smu->ppt_funcs->mode2_reset(smu);
2923 
2924 	mutex_unlock(&smu->mutex);
2925 
2926 	if (ret)
2927 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
2928 
2929 	return ret;
2930 }
2931 
2932 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
2933 						struct pp_smu_nv_clock_table *max_clocks)
2934 {
2935 	struct smu_context *smu = handle;
2936 	int ret = 0;
2937 
2938 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2939 		return -EOPNOTSUPP;
2940 
2941 	mutex_lock(&smu->mutex);
2942 
2943 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
2944 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
2945 
2946 	mutex_unlock(&smu->mutex);
2947 
2948 	return ret;
2949 }
2950 
2951 static int smu_get_uclk_dpm_states(void *handle,
2952 				   unsigned int *clock_values_in_khz,
2953 				   unsigned int *num_states)
2954 {
2955 	struct smu_context *smu = handle;
2956 	int ret = 0;
2957 
2958 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2959 		return -EOPNOTSUPP;
2960 
2961 	mutex_lock(&smu->mutex);
2962 
2963 	if (smu->ppt_funcs->get_uclk_dpm_states)
2964 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
2965 
2966 	mutex_unlock(&smu->mutex);
2967 
2968 	return ret;
2969 }
2970 
2971 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
2972 {
2973 	struct smu_context *smu = handle;
2974 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
2975 
2976 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2977 		return -EOPNOTSUPP;
2978 
2979 	mutex_lock(&smu->mutex);
2980 
2981 	if (smu->ppt_funcs->get_current_power_state)
2982 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
2983 
2984 	mutex_unlock(&smu->mutex);
2985 
2986 	return pm_state;
2987 }
2988 
2989 static int smu_get_dpm_clock_table(void *handle,
2990 				   struct dpm_clocks *clock_table)
2991 {
2992 	struct smu_context *smu = handle;
2993 	int ret = 0;
2994 
2995 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2996 		return -EOPNOTSUPP;
2997 
2998 	mutex_lock(&smu->mutex);
2999 
3000 	if (smu->ppt_funcs->get_dpm_clock_table)
3001 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3002 
3003 	mutex_unlock(&smu->mutex);
3004 
3005 	return ret;
3006 }
3007 
3008 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3009 {
3010 	struct smu_context *smu = handle;
3011 	ssize_t size;
3012 
3013 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3014 		return -EOPNOTSUPP;
3015 
3016 	if (!smu->ppt_funcs->get_gpu_metrics)
3017 		return -EOPNOTSUPP;
3018 
3019 	mutex_lock(&smu->mutex);
3020 
3021 	size = smu->ppt_funcs->get_gpu_metrics(smu, table);
3022 
3023 	mutex_unlock(&smu->mutex);
3024 
3025 	return size;
3026 }
3027 
3028 static int smu_enable_mgpu_fan_boost(void *handle)
3029 {
3030 	struct smu_context *smu = handle;
3031 	int ret = 0;
3032 
3033 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3034 		return -EOPNOTSUPP;
3035 
3036 	mutex_lock(&smu->mutex);
3037 
3038 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
3039 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3040 
3041 	mutex_unlock(&smu->mutex);
3042 
3043 	return ret;
3044 }
3045 
3046 static int smu_gfx_state_change_set(void *handle,
3047 				    uint32_t state)
3048 {
3049 	struct smu_context *smu = handle;
3050 	int ret = 0;
3051 
3052 	mutex_lock(&smu->mutex);
3053 	if (smu->ppt_funcs->gfx_state_change_set)
3054 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3055 	mutex_unlock(&smu->mutex);
3056 
3057 	return ret;
3058 }
3059 
3060 int smu_set_light_sbr(struct smu_context *smu, bool enable)
3061 {
3062 	int ret = 0;
3063 
3064 	mutex_lock(&smu->mutex);
3065 	if (smu->ppt_funcs->set_light_sbr)
3066 		ret = smu->ppt_funcs->set_light_sbr(smu, enable);
3067 	mutex_unlock(&smu->mutex);
3068 
3069 	return ret;
3070 }
3071 
3072 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3073 {
3074 	struct smu_context *smu = handle;
3075 	struct smu_table_context *smu_table = &smu->smu_table;
3076 	struct smu_table *memory_pool = &smu_table->memory_pool;
3077 
3078 	if (!addr || !size)
3079 		return -EINVAL;
3080 
3081 	*addr = NULL;
3082 	*size = 0;
3083 	mutex_lock(&smu->mutex);
3084 	if (memory_pool->bo) {
3085 		*addr = memory_pool->cpu_addr;
3086 		*size = memory_pool->size;
3087 	}
3088 	mutex_unlock(&smu->mutex);
3089 
3090 	return 0;
3091 }
3092 
3093 static const struct amd_pm_funcs swsmu_pm_funcs = {
3094 	/* export for sysfs */
3095 	.set_fan_control_mode    = smu_pp_set_fan_control_mode,
3096 	.get_fan_control_mode    = smu_get_fan_control_mode,
3097 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3098 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3099 	.force_clock_level       = smu_force_ppclk_levels,
3100 	.print_clock_levels      = smu_print_ppclk_levels,
3101 	.force_performance_level = smu_force_performance_level,
3102 	.read_sensor             = smu_read_sensor,
3103 	.get_performance_level   = smu_get_performance_level,
3104 	.get_current_power_state = smu_get_current_power_state,
3105 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3106 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3107 	.get_pp_num_states       = smu_get_power_num_states,
3108 	.get_pp_table            = smu_sys_get_pp_table,
3109 	.set_pp_table            = smu_sys_set_pp_table,
3110 	.switch_power_profile    = smu_switch_power_profile,
3111 	/* export to amdgpu */
3112 	.dispatch_tasks          = smu_handle_dpm_task,
3113 	.load_firmware           = smu_load_microcode,
3114 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3115 	.set_power_limit         = smu_set_power_limit,
3116 	.get_power_limit         = smu_get_power_limit,
3117 	.get_power_profile_mode  = smu_get_power_profile_mode,
3118 	.set_power_profile_mode  = smu_set_power_profile_mode,
3119 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3120 	.set_mp1_state           = smu_set_mp1_state,
3121 	.gfx_state_change_set    = smu_gfx_state_change_set,
3122 	/* export to DC */
3123 	.get_sclk                         = smu_get_sclk,
3124 	.get_mclk                         = smu_get_mclk,
3125 	.display_configuration_change     = smu_display_configuration_change,
3126 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3127 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3128 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3129 	.set_active_display_count         = smu_set_display_count,
3130 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3131 	.get_asic_baco_capability         = smu_get_baco_capability,
3132 	.set_asic_baco_state              = smu_baco_set_state,
3133 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3134 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3135 	.asic_reset_mode_2                = smu_mode2_reset,
3136 	.set_df_cstate                    = smu_set_df_cstate,
3137 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3138 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3139 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3140 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3141 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3142 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3143 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3144 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3145 };
3146 
3147 int smu_wait_for_event(struct amdgpu_device *adev, enum smu_event_type event,
3148 		       uint64_t event_arg)
3149 {
3150 	int ret = -EINVAL;
3151 	struct smu_context *smu = &adev->smu;
3152 
3153 	if (smu->ppt_funcs->wait_for_event) {
3154 		mutex_lock(&smu->mutex);
3155 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3156 		mutex_unlock(&smu->mutex);
3157 	}
3158 
3159 	return ret;
3160 }
3161