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 "smu_v13_0_0_ppt.h"
41 #include "smu_v13_0_4_ppt.h"
42 #include "smu_v13_0_5_ppt.h"
43 #include "smu_v13_0_7_ppt.h"
44 #include "amd_pcie.h"
45 
46 /*
47  * DO NOT use these for err/warn/info/debug messages.
48  * Use dev_err, dev_warn, dev_info and dev_dbg instead.
49  * They are more MGPU friendly.
50  */
51 #undef pr_err
52 #undef pr_warn
53 #undef pr_info
54 #undef pr_debug
55 
56 static const struct amd_pm_funcs swsmu_pm_funcs;
57 static int smu_force_smuclk_levels(struct smu_context *smu,
58 				   enum smu_clk_type clk_type,
59 				   uint32_t mask);
60 static int smu_handle_task(struct smu_context *smu,
61 			   enum amd_dpm_forced_level level,
62 			   enum amd_pp_task task_id);
63 static int smu_reset(struct smu_context *smu);
64 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
65 static int smu_set_fan_control_mode(void *handle, u32 value);
66 static int smu_set_power_limit(void *handle, uint32_t limit);
67 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
68 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
69 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
70 
71 static int smu_sys_get_pp_feature_mask(void *handle,
72 				       char *buf)
73 {
74 	struct smu_context *smu = handle;
75 
76 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
77 		return -EOPNOTSUPP;
78 
79 	return smu_get_pp_feature_mask(smu, buf);
80 }
81 
82 static int smu_sys_set_pp_feature_mask(void *handle,
83 				       uint64_t new_mask)
84 {
85 	struct smu_context *smu = handle;
86 
87 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
88 		return -EOPNOTSUPP;
89 
90 	return smu_set_pp_feature_mask(smu, new_mask);
91 }
92 
93 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
94 {
95 	if (!smu->ppt_funcs->set_gfx_off_residency)
96 		return -EINVAL;
97 
98 	return smu_set_gfx_off_residency(smu, value);
99 }
100 
101 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
102 {
103 	if (!smu->ppt_funcs->get_gfx_off_residency)
104 		return -EINVAL;
105 
106 	return smu_get_gfx_off_residency(smu, value);
107 }
108 
109 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
110 {
111 	if (!smu->ppt_funcs->get_gfx_off_entrycount)
112 		return -EINVAL;
113 
114 	return smu_get_gfx_off_entrycount(smu, value);
115 }
116 
117 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
118 {
119 	if (!smu->ppt_funcs->get_gfx_off_status)
120 		return -EINVAL;
121 
122 	*value = smu_get_gfx_off_status(smu);
123 
124 	return 0;
125 }
126 
127 int smu_set_soft_freq_range(struct smu_context *smu,
128 			    enum smu_clk_type clk_type,
129 			    uint32_t min,
130 			    uint32_t max)
131 {
132 	int ret = 0;
133 
134 	if (smu->ppt_funcs->set_soft_freq_limited_range)
135 		ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
136 								  clk_type,
137 								  min,
138 								  max);
139 
140 	return ret;
141 }
142 
143 int smu_get_dpm_freq_range(struct smu_context *smu,
144 			   enum smu_clk_type clk_type,
145 			   uint32_t *min,
146 			   uint32_t *max)
147 {
148 	int ret = -ENOTSUPP;
149 
150 	if (!min && !max)
151 		return -EINVAL;
152 
153 	if (smu->ppt_funcs->get_dpm_ultimate_freq)
154 		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
155 							    clk_type,
156 							    min,
157 							    max);
158 
159 	return ret;
160 }
161 
162 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
163 {
164 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_gfx_power_up_by_imu)
165 		return -EOPNOTSUPP;
166 
167 	return smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
168 }
169 
170 static u32 smu_get_mclk(void *handle, bool low)
171 {
172 	struct smu_context *smu = handle;
173 	uint32_t clk_freq;
174 	int ret = 0;
175 
176 	ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
177 				     low ? &clk_freq : NULL,
178 				     !low ? &clk_freq : NULL);
179 	if (ret)
180 		return 0;
181 	return clk_freq * 100;
182 }
183 
184 static u32 smu_get_sclk(void *handle, bool low)
185 {
186 	struct smu_context *smu = handle;
187 	uint32_t clk_freq;
188 	int ret = 0;
189 
190 	ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
191 				     low ? &clk_freq : NULL,
192 				     !low ? &clk_freq : NULL);
193 	if (ret)
194 		return 0;
195 	return clk_freq * 100;
196 }
197 
198 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
199 				  bool enable)
200 {
201 	struct smu_power_context *smu_power = &smu->smu_power;
202 	struct smu_power_gate *power_gate = &smu_power->power_gate;
203 	int ret = 0;
204 
205 	if (!smu->ppt_funcs->dpm_set_vcn_enable)
206 		return 0;
207 
208 	if (atomic_read(&power_gate->vcn_gated) ^ enable)
209 		return 0;
210 
211 	ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
212 	if (!ret)
213 		atomic_set(&power_gate->vcn_gated, !enable);
214 
215 	return ret;
216 }
217 
218 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
219 				   bool enable)
220 {
221 	struct smu_power_context *smu_power = &smu->smu_power;
222 	struct smu_power_gate *power_gate = &smu_power->power_gate;
223 	int ret = 0;
224 
225 	if (!smu->ppt_funcs->dpm_set_jpeg_enable)
226 		return 0;
227 
228 	if (atomic_read(&power_gate->jpeg_gated) ^ enable)
229 		return 0;
230 
231 	ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
232 	if (!ret)
233 		atomic_set(&power_gate->jpeg_gated, !enable);
234 
235 	return ret;
236 }
237 
238 /**
239  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
240  *
241  * @handle:        smu_context pointer
242  * @block_type: the IP block to power gate/ungate
243  * @gate:       to power gate if true, ungate otherwise
244  *
245  * This API uses no smu->mutex lock protection due to:
246  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
247  *    This is guarded to be race condition free by the caller.
248  * 2. Or get called on user setting request of power_dpm_force_performance_level.
249  *    Under this case, the smu->mutex lock protection is already enforced on
250  *    the parent API smu_force_performance_level of the call path.
251  */
252 static int smu_dpm_set_power_gate(void *handle,
253 				  uint32_t block_type,
254 				  bool gate)
255 {
256 	struct smu_context *smu = handle;
257 	int ret = 0;
258 
259 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
260 		dev_WARN(smu->adev->dev,
261 			 "SMU uninitialized but power %s requested for %u!\n",
262 			 gate ? "gate" : "ungate", block_type);
263 		return -EOPNOTSUPP;
264 	}
265 
266 	switch (block_type) {
267 	/*
268 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
269 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
270 	 */
271 	case AMD_IP_BLOCK_TYPE_UVD:
272 	case AMD_IP_BLOCK_TYPE_VCN:
273 		ret = smu_dpm_set_vcn_enable(smu, !gate);
274 		if (ret)
275 			dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
276 				gate ? "gate" : "ungate");
277 		break;
278 	case AMD_IP_BLOCK_TYPE_GFX:
279 		ret = smu_gfx_off_control(smu, gate);
280 		if (ret)
281 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
282 				gate ? "enable" : "disable");
283 		break;
284 	case AMD_IP_BLOCK_TYPE_SDMA:
285 		ret = smu_powergate_sdma(smu, gate);
286 		if (ret)
287 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
288 				gate ? "gate" : "ungate");
289 		break;
290 	case AMD_IP_BLOCK_TYPE_JPEG:
291 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
292 		if (ret)
293 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
294 				gate ? "gate" : "ungate");
295 		break;
296 	default:
297 		dev_err(smu->adev->dev, "Unsupported block type!\n");
298 		return -EINVAL;
299 	}
300 
301 	return ret;
302 }
303 
304 /**
305  * smu_set_user_clk_dependencies - set user profile clock dependencies
306  *
307  * @smu:	smu_context pointer
308  * @clk:	enum smu_clk_type type
309  *
310  * Enable/Disable the clock dependency for the @clk type.
311  */
312 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
313 {
314 	if (smu->adev->in_suspend)
315 		return;
316 
317 	if (clk == SMU_MCLK) {
318 		smu->user_dpm_profile.clk_dependency = 0;
319 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
320 	} else if (clk == SMU_FCLK) {
321 		/* MCLK takes precedence over FCLK */
322 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
323 			return;
324 
325 		smu->user_dpm_profile.clk_dependency = 0;
326 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
327 	} else if (clk == SMU_SOCCLK) {
328 		/* MCLK takes precedence over SOCCLK */
329 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
330 			return;
331 
332 		smu->user_dpm_profile.clk_dependency = 0;
333 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
334 	} else
335 		/* Add clk dependencies here, if any */
336 		return;
337 }
338 
339 /**
340  * smu_restore_dpm_user_profile - reinstate user dpm profile
341  *
342  * @smu:	smu_context pointer
343  *
344  * Restore the saved user power configurations include power limit,
345  * clock frequencies, fan control mode and fan speed.
346  */
347 static void smu_restore_dpm_user_profile(struct smu_context *smu)
348 {
349 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
350 	int ret = 0;
351 
352 	if (!smu->adev->in_suspend)
353 		return;
354 
355 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
356 		return;
357 
358 	/* Enable restore flag */
359 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
360 
361 	/* set the user dpm power limit */
362 	if (smu->user_dpm_profile.power_limit) {
363 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
364 		if (ret)
365 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
366 	}
367 
368 	/* set the user dpm clock configurations */
369 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
370 		enum smu_clk_type clk_type;
371 
372 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
373 			/*
374 			 * Iterate over smu clk type and force the saved user clk
375 			 * configs, skip if clock dependency is enabled
376 			 */
377 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
378 					smu->user_dpm_profile.clk_mask[clk_type]) {
379 				ret = smu_force_smuclk_levels(smu, clk_type,
380 						smu->user_dpm_profile.clk_mask[clk_type]);
381 				if (ret)
382 					dev_err(smu->adev->dev,
383 						"Failed to set clock type = %d\n", clk_type);
384 			}
385 		}
386 	}
387 
388 	/* set the user dpm fan configurations */
389 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
390 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
391 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
392 		if (ret != -EOPNOTSUPP) {
393 			smu->user_dpm_profile.fan_speed_pwm = 0;
394 			smu->user_dpm_profile.fan_speed_rpm = 0;
395 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
396 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
397 		}
398 
399 		if (smu->user_dpm_profile.fan_speed_pwm) {
400 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
401 			if (ret != -EOPNOTSUPP)
402 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
403 		}
404 
405 		if (smu->user_dpm_profile.fan_speed_rpm) {
406 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
407 			if (ret != -EOPNOTSUPP)
408 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
409 		}
410 	}
411 
412 	/* Restore user customized OD settings */
413 	if (smu->user_dpm_profile.user_od) {
414 		if (smu->ppt_funcs->restore_user_od_settings) {
415 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
416 			if (ret)
417 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
418 		}
419 	}
420 
421 	/* Disable restore flag */
422 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
423 }
424 
425 static int smu_get_power_num_states(void *handle,
426 				    struct pp_states_info *state_info)
427 {
428 	if (!state_info)
429 		return -EINVAL;
430 
431 	/* not support power state */
432 	memset(state_info, 0, sizeof(struct pp_states_info));
433 	state_info->nums = 1;
434 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
435 
436 	return 0;
437 }
438 
439 bool is_support_sw_smu(struct amdgpu_device *adev)
440 {
441 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
442 	if (adev->asic_type == CHIP_VEGA20)
443 		return false;
444 
445 	if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0))
446 		return true;
447 
448 	return false;
449 }
450 
451 bool is_support_cclk_dpm(struct amdgpu_device *adev)
452 {
453 	struct smu_context *smu = adev->powerplay.pp_handle;
454 
455 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
456 		return false;
457 
458 	return true;
459 }
460 
461 
462 static int smu_sys_get_pp_table(void *handle,
463 				char **table)
464 {
465 	struct smu_context *smu = handle;
466 	struct smu_table_context *smu_table = &smu->smu_table;
467 
468 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
469 		return -EOPNOTSUPP;
470 
471 	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
472 		return -EINVAL;
473 
474 	if (smu_table->hardcode_pptable)
475 		*table = smu_table->hardcode_pptable;
476 	else
477 		*table = smu_table->power_play_table;
478 
479 	return smu_table->power_play_table_size;
480 }
481 
482 static int smu_sys_set_pp_table(void *handle,
483 				const char *buf,
484 				size_t size)
485 {
486 	struct smu_context *smu = handle;
487 	struct smu_table_context *smu_table = &smu->smu_table;
488 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
489 	int ret = 0;
490 
491 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
492 		return -EOPNOTSUPP;
493 
494 	if (header->usStructureSize != size) {
495 		dev_err(smu->adev->dev, "pp table size not matched !\n");
496 		return -EIO;
497 	}
498 
499 	if (!smu_table->hardcode_pptable) {
500 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
501 		if (!smu_table->hardcode_pptable)
502 			return -ENOMEM;
503 	}
504 
505 	memcpy(smu_table->hardcode_pptable, buf, size);
506 	smu_table->power_play_table = smu_table->hardcode_pptable;
507 	smu_table->power_play_table_size = size;
508 
509 	/*
510 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
511 	 * skipped) may be needed for custom pptable uploading.
512 	 */
513 	smu->uploading_custom_pp_table = true;
514 
515 	ret = smu_reset(smu);
516 	if (ret)
517 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
518 
519 	smu->uploading_custom_pp_table = false;
520 
521 	return ret;
522 }
523 
524 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
525 {
526 	struct smu_feature *feature = &smu->smu_feature;
527 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
528 	int ret = 0;
529 
530 	/*
531 	 * With SCPM enabled, the allowed featuremasks setting(via
532 	 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
533 	 * That means there is no way to let PMFW knows the settings below.
534 	 * Thus, we just assume all the features are allowed under
535 	 * such scenario.
536 	 */
537 	if (smu->adev->scpm_enabled) {
538 		bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
539 		return 0;
540 	}
541 
542 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
543 
544 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
545 					     SMU_FEATURE_MAX/32);
546 	if (ret)
547 		return ret;
548 
549 	bitmap_or(feature->allowed, feature->allowed,
550 		      (unsigned long *)allowed_feature_mask,
551 		      feature->feature_num);
552 
553 	return ret;
554 }
555 
556 static int smu_set_funcs(struct amdgpu_device *adev)
557 {
558 	struct smu_context *smu = adev->powerplay.pp_handle;
559 
560 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
561 		smu->od_enabled = true;
562 
563 	switch (adev->ip_versions[MP1_HWIP][0]) {
564 	case IP_VERSION(11, 0, 0):
565 	case IP_VERSION(11, 0, 5):
566 	case IP_VERSION(11, 0, 9):
567 		navi10_set_ppt_funcs(smu);
568 		break;
569 	case IP_VERSION(11, 0, 7):
570 	case IP_VERSION(11, 0, 11):
571 	case IP_VERSION(11, 0, 12):
572 	case IP_VERSION(11, 0, 13):
573 		sienna_cichlid_set_ppt_funcs(smu);
574 		break;
575 	case IP_VERSION(12, 0, 0):
576 	case IP_VERSION(12, 0, 1):
577 		renoir_set_ppt_funcs(smu);
578 		break;
579 	case IP_VERSION(11, 5, 0):
580 		vangogh_set_ppt_funcs(smu);
581 		break;
582 	case IP_VERSION(13, 0, 1):
583 	case IP_VERSION(13, 0, 3):
584 	case IP_VERSION(13, 0, 8):
585 		yellow_carp_set_ppt_funcs(smu);
586 		break;
587 	case IP_VERSION(13, 0, 4):
588 	case IP_VERSION(13, 0, 11):
589 		smu_v13_0_4_set_ppt_funcs(smu);
590 		break;
591 	case IP_VERSION(13, 0, 5):
592 		smu_v13_0_5_set_ppt_funcs(smu);
593 		break;
594 	case IP_VERSION(11, 0, 8):
595 		cyan_skillfish_set_ppt_funcs(smu);
596 		break;
597 	case IP_VERSION(11, 0, 2):
598 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
599 		arcturus_set_ppt_funcs(smu);
600 		/* OD is not supported on Arcturus */
601 		smu->od_enabled =false;
602 		break;
603 	case IP_VERSION(13, 0, 2):
604 		aldebaran_set_ppt_funcs(smu);
605 		/* Enable pp_od_clk_voltage node */
606 		smu->od_enabled = true;
607 		break;
608 	case IP_VERSION(13, 0, 0):
609 	case IP_VERSION(13, 0, 10):
610 		smu_v13_0_0_set_ppt_funcs(smu);
611 		break;
612 	case IP_VERSION(13, 0, 7):
613 		smu_v13_0_7_set_ppt_funcs(smu);
614 		break;
615 	default:
616 		return -EINVAL;
617 	}
618 
619 	return 0;
620 }
621 
622 static int smu_early_init(void *handle)
623 {
624 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
625 	struct smu_context *smu;
626 	int r;
627 
628 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
629 	if (!smu)
630 		return -ENOMEM;
631 
632 	smu->adev = adev;
633 	smu->pm_enabled = !!amdgpu_dpm;
634 	smu->is_apu = false;
635 	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
636 	smu->smu_baco.platform_support = false;
637 	smu->user_dpm_profile.fan_mode = -1;
638 
639 	mutex_init(&smu->message_lock);
640 
641 	adev->powerplay.pp_handle = smu;
642 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
643 
644 	r = smu_set_funcs(adev);
645 	if (r)
646 		return r;
647 	return smu_init_microcode(smu);
648 }
649 
650 static int smu_set_default_dpm_table(struct smu_context *smu)
651 {
652 	struct smu_power_context *smu_power = &smu->smu_power;
653 	struct smu_power_gate *power_gate = &smu_power->power_gate;
654 	int vcn_gate, jpeg_gate;
655 	int ret = 0;
656 
657 	if (!smu->ppt_funcs->set_default_dpm_table)
658 		return 0;
659 
660 	vcn_gate = atomic_read(&power_gate->vcn_gated);
661 	jpeg_gate = atomic_read(&power_gate->jpeg_gated);
662 
663 	ret = smu_dpm_set_vcn_enable(smu, true);
664 	if (ret)
665 		return ret;
666 
667 	ret = smu_dpm_set_jpeg_enable(smu, true);
668 	if (ret)
669 		goto err_out;
670 
671 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
672 	if (ret)
673 		dev_err(smu->adev->dev,
674 			"Failed to setup default dpm clock tables!\n");
675 
676 	smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
677 err_out:
678 	smu_dpm_set_vcn_enable(smu, !vcn_gate);
679 	return ret;
680 }
681 
682 static int smu_apply_default_config_table_settings(struct smu_context *smu)
683 {
684 	struct amdgpu_device *adev = smu->adev;
685 	int ret = 0;
686 
687 	ret = smu_get_default_config_table_settings(smu,
688 						    &adev->pm.config_table);
689 	if (ret)
690 		return ret;
691 
692 	return smu_set_config_table(smu, &adev->pm.config_table);
693 }
694 
695 static int smu_late_init(void *handle)
696 {
697 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
698 	struct smu_context *smu = adev->powerplay.pp_handle;
699 	int ret = 0;
700 
701 	smu_set_fine_grain_gfx_freq_parameters(smu);
702 
703 	if (!smu->pm_enabled)
704 		return 0;
705 
706 	ret = smu_post_init(smu);
707 	if (ret) {
708 		dev_err(adev->dev, "Failed to post smu init!\n");
709 		return ret;
710 	}
711 
712 	if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
713 	    (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))
714 		return 0;
715 
716 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
717 		ret = smu_set_default_od_settings(smu);
718 		if (ret) {
719 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
720 			return ret;
721 		}
722 	}
723 
724 	ret = smu_populate_umd_state_clk(smu);
725 	if (ret) {
726 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
727 		return ret;
728 	}
729 
730 	ret = smu_get_asic_power_limits(smu,
731 					&smu->current_power_limit,
732 					&smu->default_power_limit,
733 					&smu->max_power_limit);
734 	if (ret) {
735 		dev_err(adev->dev, "Failed to get asic power limits!\n");
736 		return ret;
737 	}
738 
739 	if (!amdgpu_sriov_vf(adev))
740 		smu_get_unique_id(smu);
741 
742 	smu_get_fan_parameters(smu);
743 
744 	smu_handle_task(smu,
745 			smu->smu_dpm.dpm_level,
746 			AMD_PP_TASK_COMPLETE_INIT);
747 
748 	ret = smu_apply_default_config_table_settings(smu);
749 	if (ret && (ret != -EOPNOTSUPP)) {
750 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
751 		return ret;
752 	}
753 
754 	smu_restore_dpm_user_profile(smu);
755 
756 	return 0;
757 }
758 
759 static int smu_init_fb_allocations(struct smu_context *smu)
760 {
761 	struct amdgpu_device *adev = smu->adev;
762 	struct smu_table_context *smu_table = &smu->smu_table;
763 	struct smu_table *tables = smu_table->tables;
764 	struct smu_table *driver_table = &(smu_table->driver_table);
765 	uint32_t max_table_size = 0;
766 	int ret, i;
767 
768 	/* VRAM allocation for tool table */
769 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
770 		ret = amdgpu_bo_create_kernel(adev,
771 					      tables[SMU_TABLE_PMSTATUSLOG].size,
772 					      tables[SMU_TABLE_PMSTATUSLOG].align,
773 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
774 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
775 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
776 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
777 		if (ret) {
778 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
779 			return ret;
780 		}
781 	}
782 
783 	/* VRAM allocation for driver table */
784 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
785 		if (tables[i].size == 0)
786 			continue;
787 
788 		if (i == SMU_TABLE_PMSTATUSLOG)
789 			continue;
790 
791 		if (max_table_size < tables[i].size)
792 			max_table_size = tables[i].size;
793 	}
794 
795 	driver_table->size = max_table_size;
796 	driver_table->align = PAGE_SIZE;
797 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
798 
799 	ret = amdgpu_bo_create_kernel(adev,
800 				      driver_table->size,
801 				      driver_table->align,
802 				      driver_table->domain,
803 				      &driver_table->bo,
804 				      &driver_table->mc_address,
805 				      &driver_table->cpu_addr);
806 	if (ret) {
807 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
808 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
809 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
810 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
811 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
812 	}
813 
814 	return ret;
815 }
816 
817 static int smu_fini_fb_allocations(struct smu_context *smu)
818 {
819 	struct smu_table_context *smu_table = &smu->smu_table;
820 	struct smu_table *tables = smu_table->tables;
821 	struct smu_table *driver_table = &(smu_table->driver_table);
822 
823 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
824 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
825 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
826 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
827 
828 	amdgpu_bo_free_kernel(&driver_table->bo,
829 			      &driver_table->mc_address,
830 			      &driver_table->cpu_addr);
831 
832 	return 0;
833 }
834 
835 /**
836  * smu_alloc_memory_pool - allocate memory pool in the system memory
837  *
838  * @smu: amdgpu_device pointer
839  *
840  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
841  * and DramLogSetDramAddr can notify it changed.
842  *
843  * Returns 0 on success, error on failure.
844  */
845 static int smu_alloc_memory_pool(struct smu_context *smu)
846 {
847 	struct amdgpu_device *adev = smu->adev;
848 	struct smu_table_context *smu_table = &smu->smu_table;
849 	struct smu_table *memory_pool = &smu_table->memory_pool;
850 	uint64_t pool_size = smu->pool_size;
851 	int ret = 0;
852 
853 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
854 		return ret;
855 
856 	memory_pool->size = pool_size;
857 	memory_pool->align = PAGE_SIZE;
858 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
859 
860 	switch (pool_size) {
861 	case SMU_MEMORY_POOL_SIZE_256_MB:
862 	case SMU_MEMORY_POOL_SIZE_512_MB:
863 	case SMU_MEMORY_POOL_SIZE_1_GB:
864 	case SMU_MEMORY_POOL_SIZE_2_GB:
865 		ret = amdgpu_bo_create_kernel(adev,
866 					      memory_pool->size,
867 					      memory_pool->align,
868 					      memory_pool->domain,
869 					      &memory_pool->bo,
870 					      &memory_pool->mc_address,
871 					      &memory_pool->cpu_addr);
872 		if (ret)
873 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
874 		break;
875 	default:
876 		break;
877 	}
878 
879 	return ret;
880 }
881 
882 static int smu_free_memory_pool(struct smu_context *smu)
883 {
884 	struct smu_table_context *smu_table = &smu->smu_table;
885 	struct smu_table *memory_pool = &smu_table->memory_pool;
886 
887 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
888 		return 0;
889 
890 	amdgpu_bo_free_kernel(&memory_pool->bo,
891 			      &memory_pool->mc_address,
892 			      &memory_pool->cpu_addr);
893 
894 	memset(memory_pool, 0, sizeof(struct smu_table));
895 
896 	return 0;
897 }
898 
899 static int smu_alloc_dummy_read_table(struct smu_context *smu)
900 {
901 	struct smu_table_context *smu_table = &smu->smu_table;
902 	struct smu_table *dummy_read_1_table =
903 			&smu_table->dummy_read_1_table;
904 	struct amdgpu_device *adev = smu->adev;
905 	int ret = 0;
906 
907 	dummy_read_1_table->size = 0x40000;
908 	dummy_read_1_table->align = PAGE_SIZE;
909 	dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
910 
911 	ret = amdgpu_bo_create_kernel(adev,
912 				      dummy_read_1_table->size,
913 				      dummy_read_1_table->align,
914 				      dummy_read_1_table->domain,
915 				      &dummy_read_1_table->bo,
916 				      &dummy_read_1_table->mc_address,
917 				      &dummy_read_1_table->cpu_addr);
918 	if (ret)
919 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
920 
921 	return ret;
922 }
923 
924 static void smu_free_dummy_read_table(struct smu_context *smu)
925 {
926 	struct smu_table_context *smu_table = &smu->smu_table;
927 	struct smu_table *dummy_read_1_table =
928 			&smu_table->dummy_read_1_table;
929 
930 
931 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
932 			      &dummy_read_1_table->mc_address,
933 			      &dummy_read_1_table->cpu_addr);
934 
935 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
936 }
937 
938 static int smu_smc_table_sw_init(struct smu_context *smu)
939 {
940 	int ret;
941 
942 	/**
943 	 * Create smu_table structure, and init smc tables such as
944 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
945 	 */
946 	ret = smu_init_smc_tables(smu);
947 	if (ret) {
948 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
949 		return ret;
950 	}
951 
952 	/**
953 	 * Create smu_power_context structure, and allocate smu_dpm_context and
954 	 * context size to fill the smu_power_context data.
955 	 */
956 	ret = smu_init_power(smu);
957 	if (ret) {
958 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
959 		return ret;
960 	}
961 
962 	/*
963 	 * allocate vram bos to store smc table contents.
964 	 */
965 	ret = smu_init_fb_allocations(smu);
966 	if (ret)
967 		return ret;
968 
969 	ret = smu_alloc_memory_pool(smu);
970 	if (ret)
971 		return ret;
972 
973 	ret = smu_alloc_dummy_read_table(smu);
974 	if (ret)
975 		return ret;
976 
977 	ret = smu_i2c_init(smu);
978 	if (ret)
979 		return ret;
980 
981 	return 0;
982 }
983 
984 static int smu_smc_table_sw_fini(struct smu_context *smu)
985 {
986 	int ret;
987 
988 	smu_i2c_fini(smu);
989 
990 	smu_free_dummy_read_table(smu);
991 
992 	ret = smu_free_memory_pool(smu);
993 	if (ret)
994 		return ret;
995 
996 	ret = smu_fini_fb_allocations(smu);
997 	if (ret)
998 		return ret;
999 
1000 	ret = smu_fini_power(smu);
1001 	if (ret) {
1002 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1003 		return ret;
1004 	}
1005 
1006 	ret = smu_fini_smc_tables(smu);
1007 	if (ret) {
1008 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1009 		return ret;
1010 	}
1011 
1012 	return 0;
1013 }
1014 
1015 static void smu_throttling_logging_work_fn(struct work_struct *work)
1016 {
1017 	struct smu_context *smu = container_of(work, struct smu_context,
1018 					       throttling_logging_work);
1019 
1020 	smu_log_thermal_throttling(smu);
1021 }
1022 
1023 static void smu_interrupt_work_fn(struct work_struct *work)
1024 {
1025 	struct smu_context *smu = container_of(work, struct smu_context,
1026 					       interrupt_work);
1027 
1028 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1029 		smu->ppt_funcs->interrupt_work(smu);
1030 }
1031 
1032 static int smu_sw_init(void *handle)
1033 {
1034 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1035 	struct smu_context *smu = adev->powerplay.pp_handle;
1036 	int ret;
1037 
1038 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1039 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1040 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1041 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1042 
1043 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1044 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1045 	atomic64_set(&smu->throttle_int_counter, 0);
1046 	smu->watermarks_bitmap = 0;
1047 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1048 	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1049 
1050 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1051 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1052 
1053 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1054 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1055 	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1056 	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1057 	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1058 	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1059 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1060 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1061 
1062 	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1063 	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1064 	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1065 	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1066 	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1067 	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1068 	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1069 	smu->display_config = &adev->pm.pm_display_cfg;
1070 
1071 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1072 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1073 
1074 	ret = smu_smc_table_sw_init(smu);
1075 	if (ret) {
1076 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1077 		return ret;
1078 	}
1079 
1080 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1081 	ret = smu_get_vbios_bootup_values(smu);
1082 	if (ret) {
1083 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1084 		return ret;
1085 	}
1086 
1087 	ret = smu_init_pptable_microcode(smu);
1088 	if (ret) {
1089 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1090 		return ret;
1091 	}
1092 
1093 	ret = smu_register_irq_handler(smu);
1094 	if (ret) {
1095 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1096 		return ret;
1097 	}
1098 
1099 	/* If there is no way to query fan control mode, fan control is not supported */
1100 	if (!smu->ppt_funcs->get_fan_control_mode)
1101 		smu->adev->pm.no_fan = true;
1102 
1103 	return 0;
1104 }
1105 
1106 static int smu_sw_fini(void *handle)
1107 {
1108 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1109 	struct smu_context *smu = adev->powerplay.pp_handle;
1110 	int ret;
1111 
1112 	ret = smu_smc_table_sw_fini(smu);
1113 	if (ret) {
1114 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1115 		return ret;
1116 	}
1117 
1118 	smu_fini_microcode(smu);
1119 
1120 	return 0;
1121 }
1122 
1123 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1124 {
1125 	struct amdgpu_device *adev = smu->adev;
1126 	struct smu_temperature_range *range =
1127 				&smu->thermal_range;
1128 	int ret = 0;
1129 
1130 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1131 		return 0;
1132 
1133 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1134 	if (ret)
1135 		return ret;
1136 
1137 	adev->pm.dpm.thermal.min_temp = range->min;
1138 	adev->pm.dpm.thermal.max_temp = range->max;
1139 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1140 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1141 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1142 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1143 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1144 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1145 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1146 
1147 	return ret;
1148 }
1149 
1150 static int smu_smc_hw_setup(struct smu_context *smu)
1151 {
1152 	struct smu_feature *feature = &smu->smu_feature;
1153 	struct amdgpu_device *adev = smu->adev;
1154 	uint32_t pcie_gen = 0, pcie_width = 0;
1155 	uint64_t features_supported;
1156 	int ret = 0;
1157 
1158 	switch (adev->ip_versions[MP1_HWIP][0]) {
1159 	case IP_VERSION(11, 0, 7):
1160 	case IP_VERSION(11, 0, 11):
1161 	case IP_VERSION(11, 5, 0):
1162 	case IP_VERSION(11, 0, 12):
1163 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1164 			dev_info(adev->dev, "dpm has been enabled\n");
1165 			ret = smu_system_features_control(smu, true);
1166 			if (ret)
1167 				dev_err(adev->dev, "Failed system features control!\n");
1168 			return ret;
1169 		}
1170 		break;
1171 	default:
1172 		break;
1173 	}
1174 
1175 	ret = smu_init_display_count(smu, 0);
1176 	if (ret) {
1177 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1178 		return ret;
1179 	}
1180 
1181 	ret = smu_set_driver_table_location(smu);
1182 	if (ret) {
1183 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1184 		return ret;
1185 	}
1186 
1187 	/*
1188 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1189 	 */
1190 	ret = smu_set_tool_table_location(smu);
1191 	if (ret) {
1192 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1193 		return ret;
1194 	}
1195 
1196 	/*
1197 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1198 	 * pool location.
1199 	 */
1200 	ret = smu_notify_memory_pool_location(smu);
1201 	if (ret) {
1202 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1203 		return ret;
1204 	}
1205 
1206 	ret = smu_setup_pptable(smu);
1207 	if (ret) {
1208 		dev_err(adev->dev, "Failed to setup pptable!\n");
1209 		return ret;
1210 	}
1211 
1212 	/* smu_dump_pptable(smu); */
1213 
1214 	/*
1215 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1216 	 * (to SMU). Driver involvement is not needed and permitted.
1217 	 */
1218 	if (!adev->scpm_enabled) {
1219 		/*
1220 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1221 		 * SetDriverDramAddr and TransferTableDram2Smu.
1222 		 */
1223 		ret = smu_write_pptable(smu);
1224 		if (ret) {
1225 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1226 			return ret;
1227 		}
1228 	}
1229 
1230 	/* issue Run*Btc msg */
1231 	ret = smu_run_btc(smu);
1232 	if (ret)
1233 		return ret;
1234 
1235 	/*
1236 	 * With SCPM enabled, these actions(and relevant messages) are
1237 	 * not needed and permitted.
1238 	 */
1239 	if (!adev->scpm_enabled) {
1240 		ret = smu_feature_set_allowed_mask(smu);
1241 		if (ret) {
1242 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1243 			return ret;
1244 		}
1245 	}
1246 
1247 	ret = smu_system_features_control(smu, true);
1248 	if (ret) {
1249 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1250 		return ret;
1251 	}
1252 
1253 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1254 	if (ret) {
1255 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1256 		return ret;
1257 	}
1258 	bitmap_copy(feature->supported,
1259 		    (unsigned long *)&features_supported,
1260 		    feature->feature_num);
1261 
1262 	if (!smu_is_dpm_running(smu))
1263 		dev_info(adev->dev, "dpm has been disabled\n");
1264 
1265 	/*
1266 	 * Set initialized values (get from vbios) to dpm tables context such as
1267 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1268 	 * type of clks.
1269 	 */
1270 	ret = smu_set_default_dpm_table(smu);
1271 	if (ret) {
1272 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1273 		return ret;
1274 	}
1275 
1276 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1277 		pcie_gen = 3;
1278 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1279 		pcie_gen = 2;
1280 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1281 		pcie_gen = 1;
1282 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1283 		pcie_gen = 0;
1284 
1285 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1286 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1287 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1288 	 */
1289 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1290 		pcie_width = 6;
1291 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1292 		pcie_width = 5;
1293 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1294 		pcie_width = 4;
1295 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1296 		pcie_width = 3;
1297 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1298 		pcie_width = 2;
1299 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1300 		pcie_width = 1;
1301 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1302 	if (ret) {
1303 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1304 		return ret;
1305 	}
1306 
1307 	ret = smu_get_thermal_temperature_range(smu);
1308 	if (ret) {
1309 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1310 		return ret;
1311 	}
1312 
1313 	ret = smu_enable_thermal_alert(smu);
1314 	if (ret) {
1315 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1316 	  return ret;
1317 	}
1318 
1319 	ret = smu_notify_display_change(smu);
1320 	if (ret) {
1321 		dev_err(adev->dev, "Failed to notify display change!\n");
1322 		return ret;
1323 	}
1324 
1325 	/*
1326 	 * Set min deep sleep dce fclk with bootup value from vbios via
1327 	 * SetMinDeepSleepDcefclk MSG.
1328 	 */
1329 	ret = smu_set_min_dcef_deep_sleep(smu,
1330 					  smu->smu_table.boot_values.dcefclk / 100);
1331 
1332 	return ret;
1333 }
1334 
1335 static int smu_start_smc_engine(struct smu_context *smu)
1336 {
1337 	struct amdgpu_device *adev = smu->adev;
1338 	int ret = 0;
1339 
1340 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1341 		if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) {
1342 			if (smu->ppt_funcs->load_microcode) {
1343 				ret = smu->ppt_funcs->load_microcode(smu);
1344 				if (ret)
1345 					return ret;
1346 			}
1347 		}
1348 	}
1349 
1350 	if (smu->ppt_funcs->check_fw_status) {
1351 		ret = smu->ppt_funcs->check_fw_status(smu);
1352 		if (ret) {
1353 			dev_err(adev->dev, "SMC is not ready\n");
1354 			return ret;
1355 		}
1356 	}
1357 
1358 	/*
1359 	 * Send msg GetDriverIfVersion to check if the return value is equal
1360 	 * with DRIVER_IF_VERSION of smc header.
1361 	 */
1362 	ret = smu_check_fw_version(smu);
1363 	if (ret)
1364 		return ret;
1365 
1366 	return ret;
1367 }
1368 
1369 static int smu_hw_init(void *handle)
1370 {
1371 	int ret;
1372 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1373 	struct smu_context *smu = adev->powerplay.pp_handle;
1374 
1375 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1376 		smu->pm_enabled = false;
1377 		return 0;
1378 	}
1379 
1380 	ret = smu_start_smc_engine(smu);
1381 	if (ret) {
1382 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1383 		return ret;
1384 	}
1385 
1386 	if (smu->is_apu) {
1387 		if ((smu->ppt_funcs->set_gfx_power_up_by_imu) &&
1388 				likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
1389 			ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
1390 			if (ret) {
1391 				dev_err(adev->dev, "Failed to Enable gfx imu!\n");
1392 				return ret;
1393 			}
1394 		}
1395 
1396 		smu_dpm_set_vcn_enable(smu, true);
1397 		smu_dpm_set_jpeg_enable(smu, true);
1398 		smu_set_gfx_cgpg(smu, true);
1399 	}
1400 
1401 	if (!smu->pm_enabled)
1402 		return 0;
1403 
1404 	ret = smu_get_driver_allowed_feature_mask(smu);
1405 	if (ret)
1406 		return ret;
1407 
1408 	ret = smu_smc_hw_setup(smu);
1409 	if (ret) {
1410 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1411 		return ret;
1412 	}
1413 
1414 	/*
1415 	 * Move maximum sustainable clock retrieving here considering
1416 	 * 1. It is not needed on resume(from S3).
1417 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1418 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1419 	 *    it cannot be put in .late_init().
1420 	 */
1421 	ret = smu_init_max_sustainable_clocks(smu);
1422 	if (ret) {
1423 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1424 		return ret;
1425 	}
1426 
1427 	adev->pm.dpm_enabled = true;
1428 
1429 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1430 
1431 	return 0;
1432 }
1433 
1434 static int smu_disable_dpms(struct smu_context *smu)
1435 {
1436 	struct amdgpu_device *adev = smu->adev;
1437 	int ret = 0;
1438 	bool use_baco = !smu->is_apu &&
1439 		((amdgpu_in_reset(adev) &&
1440 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1441 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1442 
1443 	/*
1444 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1445 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1446 	 */
1447 	switch (adev->ip_versions[MP1_HWIP][0]) {
1448 	case IP_VERSION(13, 0, 0):
1449 	case IP_VERSION(13, 0, 7):
1450 	case IP_VERSION(13, 0, 10):
1451 		return 0;
1452 	default:
1453 		break;
1454 	}
1455 
1456 	/*
1457 	 * For custom pptable uploading, skip the DPM features
1458 	 * disable process on Navi1x ASICs.
1459 	 *   - As the gfx related features are under control of
1460 	 *     RLC on those ASICs. RLC reinitialization will be
1461 	 *     needed to reenable them. That will cost much more
1462 	 *     efforts.
1463 	 *
1464 	 *   - SMU firmware can handle the DPM reenablement
1465 	 *     properly.
1466 	 */
1467 	if (smu->uploading_custom_pp_table) {
1468 		switch (adev->ip_versions[MP1_HWIP][0]) {
1469 		case IP_VERSION(11, 0, 0):
1470 		case IP_VERSION(11, 0, 5):
1471 		case IP_VERSION(11, 0, 9):
1472 		case IP_VERSION(11, 0, 7):
1473 		case IP_VERSION(11, 0, 11):
1474 		case IP_VERSION(11, 5, 0):
1475 		case IP_VERSION(11, 0, 12):
1476 		case IP_VERSION(11, 0, 13):
1477 			return 0;
1478 		default:
1479 			break;
1480 		}
1481 	}
1482 
1483 	/*
1484 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1485 	 * on BACO in. Driver involvement is unnecessary.
1486 	 */
1487 	if (use_baco) {
1488 		switch (adev->ip_versions[MP1_HWIP][0]) {
1489 		case IP_VERSION(11, 0, 7):
1490 		case IP_VERSION(11, 0, 0):
1491 		case IP_VERSION(11, 0, 5):
1492 		case IP_VERSION(11, 0, 9):
1493 		case IP_VERSION(13, 0, 7):
1494 			return 0;
1495 		default:
1496 			break;
1497 		}
1498 	}
1499 
1500 	/*
1501 	 * For SMU 13.0.4/11, PMFW will handle the features disablement properly
1502 	 * for gpu reset case. Driver involvement is unnecessary.
1503 	 */
1504 	if (amdgpu_in_reset(adev)) {
1505 		switch (adev->ip_versions[MP1_HWIP][0]) {
1506 		case IP_VERSION(13, 0, 4):
1507 		case IP_VERSION(13, 0, 11):
1508 			return 0;
1509 		default:
1510 			break;
1511 		}
1512 	}
1513 
1514 	/*
1515 	 * For gpu reset, runpm and hibernation through BACO,
1516 	 * BACO feature has to be kept enabled.
1517 	 */
1518 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1519 		ret = smu_disable_all_features_with_exception(smu,
1520 							      SMU_FEATURE_BACO_BIT);
1521 		if (ret)
1522 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1523 	} else {
1524 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1525 		if (!adev->scpm_enabled) {
1526 			ret = smu_system_features_control(smu, false);
1527 			if (ret)
1528 				dev_err(adev->dev, "Failed to disable smu features.\n");
1529 		}
1530 	}
1531 
1532 	if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
1533 	    !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1534 		adev->gfx.rlc.funcs->stop(adev);
1535 
1536 	return ret;
1537 }
1538 
1539 static int smu_smc_hw_cleanup(struct smu_context *smu)
1540 {
1541 	struct amdgpu_device *adev = smu->adev;
1542 	int ret = 0;
1543 
1544 	cancel_work_sync(&smu->throttling_logging_work);
1545 	cancel_work_sync(&smu->interrupt_work);
1546 
1547 	ret = smu_disable_thermal_alert(smu);
1548 	if (ret) {
1549 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
1550 		return ret;
1551 	}
1552 
1553 	ret = smu_disable_dpms(smu);
1554 	if (ret) {
1555 		dev_err(adev->dev, "Fail to disable dpm features!\n");
1556 		return ret;
1557 	}
1558 
1559 	return 0;
1560 }
1561 
1562 static int smu_hw_fini(void *handle)
1563 {
1564 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1565 	struct smu_context *smu = adev->powerplay.pp_handle;
1566 
1567 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1568 		return 0;
1569 
1570 	smu_dpm_set_vcn_enable(smu, false);
1571 	smu_dpm_set_jpeg_enable(smu, false);
1572 
1573 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
1574 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
1575 
1576 	if (!smu->pm_enabled)
1577 		return 0;
1578 
1579 	adev->pm.dpm_enabled = false;
1580 
1581 	return smu_smc_hw_cleanup(smu);
1582 }
1583 
1584 static void smu_late_fini(void *handle)
1585 {
1586 	struct amdgpu_device *adev = handle;
1587 	struct smu_context *smu = adev->powerplay.pp_handle;
1588 
1589 	kfree(smu);
1590 }
1591 
1592 static int smu_reset(struct smu_context *smu)
1593 {
1594 	struct amdgpu_device *adev = smu->adev;
1595 	int ret;
1596 
1597 	ret = smu_hw_fini(adev);
1598 	if (ret)
1599 		return ret;
1600 
1601 	ret = smu_hw_init(adev);
1602 	if (ret)
1603 		return ret;
1604 
1605 	ret = smu_late_init(adev);
1606 	if (ret)
1607 		return ret;
1608 
1609 	return 0;
1610 }
1611 
1612 static int smu_suspend(void *handle)
1613 {
1614 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1615 	struct smu_context *smu = adev->powerplay.pp_handle;
1616 	int ret;
1617 	uint64_t count;
1618 
1619 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1620 		return 0;
1621 
1622 	if (!smu->pm_enabled)
1623 		return 0;
1624 
1625 	adev->pm.dpm_enabled = false;
1626 
1627 	ret = smu_smc_hw_cleanup(smu);
1628 	if (ret)
1629 		return ret;
1630 
1631 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
1632 
1633 	smu_set_gfx_cgpg(smu, false);
1634 
1635 	/*
1636 	 * pwfw resets entrycount when device is suspended, so we save the
1637 	 * last value to be used when we resume to keep it consistent
1638 	 */
1639 	ret = smu_get_entrycount_gfxoff(smu, &count);
1640 	if (!ret)
1641 		adev->gfx.gfx_off_entrycount = count;
1642 
1643 	return 0;
1644 }
1645 
1646 static int smu_resume(void *handle)
1647 {
1648 	int ret;
1649 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1650 	struct smu_context *smu = adev->powerplay.pp_handle;
1651 
1652 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1653 		return 0;
1654 
1655 	if (!smu->pm_enabled)
1656 		return 0;
1657 
1658 	dev_info(adev->dev, "SMU is resuming...\n");
1659 
1660 	ret = smu_start_smc_engine(smu);
1661 	if (ret) {
1662 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1663 		return ret;
1664 	}
1665 
1666 	ret = smu_smc_hw_setup(smu);
1667 	if (ret) {
1668 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1669 		return ret;
1670 	}
1671 
1672 	smu_set_gfx_cgpg(smu, true);
1673 
1674 	smu->disable_uclk_switch = 0;
1675 
1676 	adev->pm.dpm_enabled = true;
1677 
1678 	dev_info(adev->dev, "SMU is resumed successfully!\n");
1679 
1680 	return 0;
1681 }
1682 
1683 static int smu_display_configuration_change(void *handle,
1684 					    const struct amd_pp_display_configuration *display_config)
1685 {
1686 	struct smu_context *smu = handle;
1687 	int index = 0;
1688 	int num_of_active_display = 0;
1689 
1690 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1691 		return -EOPNOTSUPP;
1692 
1693 	if (!display_config)
1694 		return -EINVAL;
1695 
1696 	smu_set_min_dcef_deep_sleep(smu,
1697 				    display_config->min_dcef_deep_sleep_set_clk / 100);
1698 
1699 	for (index = 0; index < display_config->num_path_including_non_display; index++) {
1700 		if (display_config->displays[index].controller_id != 0)
1701 			num_of_active_display++;
1702 	}
1703 
1704 	return 0;
1705 }
1706 
1707 static int smu_set_clockgating_state(void *handle,
1708 				     enum amd_clockgating_state state)
1709 {
1710 	return 0;
1711 }
1712 
1713 static int smu_set_powergating_state(void *handle,
1714 				     enum amd_powergating_state state)
1715 {
1716 	return 0;
1717 }
1718 
1719 static int smu_enable_umd_pstate(void *handle,
1720 		      enum amd_dpm_forced_level *level)
1721 {
1722 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
1723 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
1724 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
1725 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
1726 
1727 	struct smu_context *smu = (struct smu_context*)(handle);
1728 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1729 
1730 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1731 		return -EINVAL;
1732 
1733 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
1734 		/* enter umd pstate, save current level, disable gfx cg*/
1735 		if (*level & profile_mode_mask) {
1736 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
1737 			smu_gpo_control(smu, false);
1738 			smu_gfx_ulv_control(smu, false);
1739 			smu_deep_sleep_control(smu, false);
1740 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
1741 		}
1742 	} else {
1743 		/* exit umd pstate, restore level, enable gfx cg*/
1744 		if (!(*level & profile_mode_mask)) {
1745 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
1746 				*level = smu_dpm_ctx->saved_dpm_level;
1747 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
1748 			smu_deep_sleep_control(smu, true);
1749 			smu_gfx_ulv_control(smu, true);
1750 			smu_gpo_control(smu, true);
1751 		}
1752 	}
1753 
1754 	return 0;
1755 }
1756 
1757 static int smu_bump_power_profile_mode(struct smu_context *smu,
1758 					   long *param,
1759 					   uint32_t param_size)
1760 {
1761 	int ret = 0;
1762 
1763 	if (smu->ppt_funcs->set_power_profile_mode)
1764 		ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
1765 
1766 	return ret;
1767 }
1768 
1769 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
1770 				   enum amd_dpm_forced_level level,
1771 				   bool skip_display_settings)
1772 {
1773 	int ret = 0;
1774 	int index = 0;
1775 	long workload;
1776 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1777 
1778 	if (!skip_display_settings) {
1779 		ret = smu_display_config_changed(smu);
1780 		if (ret) {
1781 			dev_err(smu->adev->dev, "Failed to change display config!");
1782 			return ret;
1783 		}
1784 	}
1785 
1786 	ret = smu_apply_clocks_adjust_rules(smu);
1787 	if (ret) {
1788 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
1789 		return ret;
1790 	}
1791 
1792 	if (!skip_display_settings) {
1793 		ret = smu_notify_smc_display_config(smu);
1794 		if (ret) {
1795 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
1796 			return ret;
1797 		}
1798 	}
1799 
1800 	if (smu_dpm_ctx->dpm_level != level) {
1801 		ret = smu_asic_set_performance_level(smu, level);
1802 		if (ret) {
1803 			dev_err(smu->adev->dev, "Failed to set performance level!");
1804 			return ret;
1805 		}
1806 
1807 		/* update the saved copy */
1808 		smu_dpm_ctx->dpm_level = level;
1809 	}
1810 
1811 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1812 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
1813 		index = fls(smu->workload_mask);
1814 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1815 		workload = smu->workload_setting[index];
1816 
1817 		if (smu->power_profile_mode != workload)
1818 			smu_bump_power_profile_mode(smu, &workload, 0);
1819 	}
1820 
1821 	return ret;
1822 }
1823 
1824 static int smu_handle_task(struct smu_context *smu,
1825 			   enum amd_dpm_forced_level level,
1826 			   enum amd_pp_task task_id)
1827 {
1828 	int ret = 0;
1829 
1830 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1831 		return -EOPNOTSUPP;
1832 
1833 	switch (task_id) {
1834 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
1835 		ret = smu_pre_display_config_changed(smu);
1836 		if (ret)
1837 			return ret;
1838 		ret = smu_adjust_power_state_dynamic(smu, level, false);
1839 		break;
1840 	case AMD_PP_TASK_COMPLETE_INIT:
1841 	case AMD_PP_TASK_READJUST_POWER_STATE:
1842 		ret = smu_adjust_power_state_dynamic(smu, level, true);
1843 		break;
1844 	default:
1845 		break;
1846 	}
1847 
1848 	return ret;
1849 }
1850 
1851 static int smu_handle_dpm_task(void *handle,
1852 			       enum amd_pp_task task_id,
1853 			       enum amd_pm_state_type *user_state)
1854 {
1855 	struct smu_context *smu = handle;
1856 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
1857 
1858 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
1859 
1860 }
1861 
1862 static int smu_switch_power_profile(void *handle,
1863 				    enum PP_SMC_POWER_PROFILE type,
1864 				    bool en)
1865 {
1866 	struct smu_context *smu = handle;
1867 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1868 	long workload;
1869 	uint32_t index;
1870 
1871 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1872 		return -EOPNOTSUPP;
1873 
1874 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
1875 		return -EINVAL;
1876 
1877 	if (!en) {
1878 		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
1879 		index = fls(smu->workload_mask);
1880 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1881 		workload = smu->workload_setting[index];
1882 	} else {
1883 		smu->workload_mask |= (1 << smu->workload_prority[type]);
1884 		index = fls(smu->workload_mask);
1885 		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1886 		workload = smu->workload_setting[index];
1887 	}
1888 
1889 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1890 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
1891 		smu_bump_power_profile_mode(smu, &workload, 0);
1892 
1893 	return 0;
1894 }
1895 
1896 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
1897 {
1898 	struct smu_context *smu = handle;
1899 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1900 
1901 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1902 		return -EOPNOTSUPP;
1903 
1904 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1905 		return -EINVAL;
1906 
1907 	return smu_dpm_ctx->dpm_level;
1908 }
1909 
1910 static int smu_force_performance_level(void *handle,
1911 				       enum amd_dpm_forced_level level)
1912 {
1913 	struct smu_context *smu = handle;
1914 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1915 	int ret = 0;
1916 
1917 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1918 		return -EOPNOTSUPP;
1919 
1920 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1921 		return -EINVAL;
1922 
1923 	ret = smu_enable_umd_pstate(smu, &level);
1924 	if (ret)
1925 		return ret;
1926 
1927 	ret = smu_handle_task(smu, level,
1928 			      AMD_PP_TASK_READJUST_POWER_STATE);
1929 
1930 	/* reset user dpm clock state */
1931 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
1932 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
1933 		smu->user_dpm_profile.clk_dependency = 0;
1934 	}
1935 
1936 	return ret;
1937 }
1938 
1939 static int smu_set_display_count(void *handle, uint32_t count)
1940 {
1941 	struct smu_context *smu = handle;
1942 
1943 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1944 		return -EOPNOTSUPP;
1945 
1946 	return smu_init_display_count(smu, count);
1947 }
1948 
1949 static int smu_force_smuclk_levels(struct smu_context *smu,
1950 			 enum smu_clk_type clk_type,
1951 			 uint32_t mask)
1952 {
1953 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1954 	int ret = 0;
1955 
1956 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1957 		return -EOPNOTSUPP;
1958 
1959 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
1960 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
1961 		return -EINVAL;
1962 	}
1963 
1964 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
1965 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
1966 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
1967 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
1968 			smu_set_user_clk_dependencies(smu, clk_type);
1969 		}
1970 	}
1971 
1972 	return ret;
1973 }
1974 
1975 static int smu_force_ppclk_levels(void *handle,
1976 				  enum pp_clock_type type,
1977 				  uint32_t mask)
1978 {
1979 	struct smu_context *smu = handle;
1980 	enum smu_clk_type clk_type;
1981 
1982 	switch (type) {
1983 	case PP_SCLK:
1984 		clk_type = SMU_SCLK; break;
1985 	case PP_MCLK:
1986 		clk_type = SMU_MCLK; break;
1987 	case PP_PCIE:
1988 		clk_type = SMU_PCIE; break;
1989 	case PP_SOCCLK:
1990 		clk_type = SMU_SOCCLK; break;
1991 	case PP_FCLK:
1992 		clk_type = SMU_FCLK; break;
1993 	case PP_DCEFCLK:
1994 		clk_type = SMU_DCEFCLK; break;
1995 	case PP_VCLK:
1996 		clk_type = SMU_VCLK; break;
1997 	case PP_DCLK:
1998 		clk_type = SMU_DCLK; break;
1999 	case OD_SCLK:
2000 		clk_type = SMU_OD_SCLK; break;
2001 	case OD_MCLK:
2002 		clk_type = SMU_OD_MCLK; break;
2003 	case OD_VDDC_CURVE:
2004 		clk_type = SMU_OD_VDDC_CURVE; break;
2005 	case OD_RANGE:
2006 		clk_type = SMU_OD_RANGE; break;
2007 	default:
2008 		return -EINVAL;
2009 	}
2010 
2011 	return smu_force_smuclk_levels(smu, clk_type, mask);
2012 }
2013 
2014 /*
2015  * On system suspending or resetting, the dpm_enabled
2016  * flag will be cleared. So that those SMU services which
2017  * are not supported will be gated.
2018  * However, the mp1 state setting should still be granted
2019  * even if the dpm_enabled cleared.
2020  */
2021 static int smu_set_mp1_state(void *handle,
2022 			     enum pp_mp1_state mp1_state)
2023 {
2024 	struct smu_context *smu = handle;
2025 	int ret = 0;
2026 
2027 	if (!smu->pm_enabled)
2028 		return -EOPNOTSUPP;
2029 
2030 	if (smu->ppt_funcs &&
2031 	    smu->ppt_funcs->set_mp1_state)
2032 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2033 
2034 	return ret;
2035 }
2036 
2037 static int smu_set_df_cstate(void *handle,
2038 			     enum pp_df_cstate state)
2039 {
2040 	struct smu_context *smu = handle;
2041 	int ret = 0;
2042 
2043 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2044 		return -EOPNOTSUPP;
2045 
2046 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2047 		return 0;
2048 
2049 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2050 	if (ret)
2051 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2052 
2053 	return ret;
2054 }
2055 
2056 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
2057 {
2058 	int ret = 0;
2059 
2060 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2061 		return -EOPNOTSUPP;
2062 
2063 	if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
2064 		return 0;
2065 
2066 	ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
2067 	if (ret)
2068 		dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n");
2069 
2070 	return ret;
2071 }
2072 
2073 int smu_write_watermarks_table(struct smu_context *smu)
2074 {
2075 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2076 		return -EOPNOTSUPP;
2077 
2078 	return smu_set_watermarks_table(smu, NULL);
2079 }
2080 
2081 static int smu_set_watermarks_for_clock_ranges(void *handle,
2082 					       struct pp_smu_wm_range_sets *clock_ranges)
2083 {
2084 	struct smu_context *smu = handle;
2085 
2086 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2087 		return -EOPNOTSUPP;
2088 
2089 	if (smu->disable_watermark)
2090 		return 0;
2091 
2092 	return smu_set_watermarks_table(smu, clock_ranges);
2093 }
2094 
2095 int smu_set_ac_dc(struct smu_context *smu)
2096 {
2097 	int ret = 0;
2098 
2099 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2100 		return -EOPNOTSUPP;
2101 
2102 	/* controlled by firmware */
2103 	if (smu->dc_controlled_by_gpio)
2104 		return 0;
2105 
2106 	ret = smu_set_power_source(smu,
2107 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2108 				   SMU_POWER_SOURCE_DC);
2109 	if (ret)
2110 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2111 		       smu->adev->pm.ac_power ? "AC" : "DC");
2112 
2113 	return ret;
2114 }
2115 
2116 const struct amd_ip_funcs smu_ip_funcs = {
2117 	.name = "smu",
2118 	.early_init = smu_early_init,
2119 	.late_init = smu_late_init,
2120 	.sw_init = smu_sw_init,
2121 	.sw_fini = smu_sw_fini,
2122 	.hw_init = smu_hw_init,
2123 	.hw_fini = smu_hw_fini,
2124 	.late_fini = smu_late_fini,
2125 	.suspend = smu_suspend,
2126 	.resume = smu_resume,
2127 	.is_idle = NULL,
2128 	.check_soft_reset = NULL,
2129 	.wait_for_idle = NULL,
2130 	.soft_reset = NULL,
2131 	.set_clockgating_state = smu_set_clockgating_state,
2132 	.set_powergating_state = smu_set_powergating_state,
2133 };
2134 
2135 const struct amdgpu_ip_block_version smu_v11_0_ip_block =
2136 {
2137 	.type = AMD_IP_BLOCK_TYPE_SMC,
2138 	.major = 11,
2139 	.minor = 0,
2140 	.rev = 0,
2141 	.funcs = &smu_ip_funcs,
2142 };
2143 
2144 const struct amdgpu_ip_block_version smu_v12_0_ip_block =
2145 {
2146 	.type = AMD_IP_BLOCK_TYPE_SMC,
2147 	.major = 12,
2148 	.minor = 0,
2149 	.rev = 0,
2150 	.funcs = &smu_ip_funcs,
2151 };
2152 
2153 const struct amdgpu_ip_block_version smu_v13_0_ip_block =
2154 {
2155 	.type = AMD_IP_BLOCK_TYPE_SMC,
2156 	.major = 13,
2157 	.minor = 0,
2158 	.rev = 0,
2159 	.funcs = &smu_ip_funcs,
2160 };
2161 
2162 static int smu_load_microcode(void *handle)
2163 {
2164 	struct smu_context *smu = handle;
2165 	struct amdgpu_device *adev = smu->adev;
2166 	int ret = 0;
2167 
2168 	if (!smu->pm_enabled)
2169 		return -EOPNOTSUPP;
2170 
2171 	/* This should be used for non PSP loading */
2172 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2173 		return 0;
2174 
2175 	if (smu->ppt_funcs->load_microcode) {
2176 		ret = smu->ppt_funcs->load_microcode(smu);
2177 		if (ret) {
2178 			dev_err(adev->dev, "Load microcode failed\n");
2179 			return ret;
2180 		}
2181 	}
2182 
2183 	if (smu->ppt_funcs->check_fw_status) {
2184 		ret = smu->ppt_funcs->check_fw_status(smu);
2185 		if (ret) {
2186 			dev_err(adev->dev, "SMC is not ready\n");
2187 			return ret;
2188 		}
2189 	}
2190 
2191 	return ret;
2192 }
2193 
2194 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2195 {
2196 	int ret = 0;
2197 
2198 	if (smu->ppt_funcs->set_gfx_cgpg)
2199 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2200 
2201 	return ret;
2202 }
2203 
2204 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2205 {
2206 	struct smu_context *smu = handle;
2207 	int ret = 0;
2208 
2209 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2210 		return -EOPNOTSUPP;
2211 
2212 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2213 		return -EOPNOTSUPP;
2214 
2215 	if (speed == U32_MAX)
2216 		return -EINVAL;
2217 
2218 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2219 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2220 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2221 		smu->user_dpm_profile.fan_speed_rpm = speed;
2222 
2223 		/* Override custom PWM setting as they cannot co-exist */
2224 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2225 		smu->user_dpm_profile.fan_speed_pwm = 0;
2226 	}
2227 
2228 	return ret;
2229 }
2230 
2231 /**
2232  * smu_get_power_limit - Request one of the SMU Power Limits
2233  *
2234  * @handle: pointer to smu context
2235  * @limit: requested limit is written back to this variable
2236  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2237  * @pp_power_type: &pp_power_type type of power
2238  * Return:  0 on success, <0 on error
2239  *
2240  */
2241 int smu_get_power_limit(void *handle,
2242 			uint32_t *limit,
2243 			enum pp_power_limit_level pp_limit_level,
2244 			enum pp_power_type pp_power_type)
2245 {
2246 	struct smu_context *smu = handle;
2247 	struct amdgpu_device *adev = smu->adev;
2248 	enum smu_ppt_limit_level limit_level;
2249 	uint32_t limit_type;
2250 	int ret = 0;
2251 
2252 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2253 		return -EOPNOTSUPP;
2254 
2255 	switch(pp_power_type) {
2256 	case PP_PWR_TYPE_SUSTAINED:
2257 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2258 		break;
2259 	case PP_PWR_TYPE_FAST:
2260 		limit_type = SMU_FAST_PPT_LIMIT;
2261 		break;
2262 	default:
2263 		return -EOPNOTSUPP;
2264 		break;
2265 	}
2266 
2267 	switch(pp_limit_level){
2268 	case PP_PWR_LIMIT_CURRENT:
2269 		limit_level = SMU_PPT_LIMIT_CURRENT;
2270 		break;
2271 	case PP_PWR_LIMIT_DEFAULT:
2272 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2273 		break;
2274 	case PP_PWR_LIMIT_MAX:
2275 		limit_level = SMU_PPT_LIMIT_MAX;
2276 		break;
2277 	case PP_PWR_LIMIT_MIN:
2278 	default:
2279 		return -EOPNOTSUPP;
2280 		break;
2281 	}
2282 
2283 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2284 		if (smu->ppt_funcs->get_ppt_limit)
2285 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2286 	} else {
2287 		switch (limit_level) {
2288 		case SMU_PPT_LIMIT_CURRENT:
2289 			switch (adev->ip_versions[MP1_HWIP][0]) {
2290 			case IP_VERSION(13, 0, 2):
2291 			case IP_VERSION(11, 0, 7):
2292 			case IP_VERSION(11, 0, 11):
2293 			case IP_VERSION(11, 0, 12):
2294 			case IP_VERSION(11, 0, 13):
2295 				ret = smu_get_asic_power_limits(smu,
2296 								&smu->current_power_limit,
2297 								NULL,
2298 								NULL);
2299 				break;
2300 			default:
2301 				break;
2302 			}
2303 			*limit = smu->current_power_limit;
2304 			break;
2305 		case SMU_PPT_LIMIT_DEFAULT:
2306 			*limit = smu->default_power_limit;
2307 			break;
2308 		case SMU_PPT_LIMIT_MAX:
2309 			*limit = smu->max_power_limit;
2310 			break;
2311 		default:
2312 			break;
2313 		}
2314 	}
2315 
2316 	return ret;
2317 }
2318 
2319 static int smu_set_power_limit(void *handle, uint32_t limit)
2320 {
2321 	struct smu_context *smu = handle;
2322 	uint32_t limit_type = limit >> 24;
2323 	int ret = 0;
2324 
2325 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2326 		return -EOPNOTSUPP;
2327 
2328 	limit &= (1<<24)-1;
2329 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2330 		if (smu->ppt_funcs->set_power_limit)
2331 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2332 
2333 	if (limit > smu->max_power_limit) {
2334 		dev_err(smu->adev->dev,
2335 			"New power limit (%d) is over the max allowed %d\n",
2336 			limit, smu->max_power_limit);
2337 		return -EINVAL;
2338 	}
2339 
2340 	if (!limit)
2341 		limit = smu->current_power_limit;
2342 
2343 	if (smu->ppt_funcs->set_power_limit) {
2344 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2345 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2346 			smu->user_dpm_profile.power_limit = limit;
2347 	}
2348 
2349 	return ret;
2350 }
2351 
2352 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2353 {
2354 	int ret = 0;
2355 
2356 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2357 		return -EOPNOTSUPP;
2358 
2359 	if (smu->ppt_funcs->print_clk_levels)
2360 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2361 
2362 	return ret;
2363 }
2364 
2365 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2366 {
2367 	enum smu_clk_type clk_type;
2368 
2369 	switch (type) {
2370 	case PP_SCLK:
2371 		clk_type = SMU_SCLK; break;
2372 	case PP_MCLK:
2373 		clk_type = SMU_MCLK; break;
2374 	case PP_PCIE:
2375 		clk_type = SMU_PCIE; break;
2376 	case PP_SOCCLK:
2377 		clk_type = SMU_SOCCLK; break;
2378 	case PP_FCLK:
2379 		clk_type = SMU_FCLK; break;
2380 	case PP_DCEFCLK:
2381 		clk_type = SMU_DCEFCLK; break;
2382 	case PP_VCLK:
2383 		clk_type = SMU_VCLK; break;
2384 	case PP_DCLK:
2385 		clk_type = SMU_DCLK; break;
2386 	case OD_SCLK:
2387 		clk_type = SMU_OD_SCLK; break;
2388 	case OD_MCLK:
2389 		clk_type = SMU_OD_MCLK; break;
2390 	case OD_VDDC_CURVE:
2391 		clk_type = SMU_OD_VDDC_CURVE; break;
2392 	case OD_RANGE:
2393 		clk_type = SMU_OD_RANGE; break;
2394 	case OD_VDDGFX_OFFSET:
2395 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2396 	case OD_CCLK:
2397 		clk_type = SMU_OD_CCLK; break;
2398 	default:
2399 		clk_type = SMU_CLK_COUNT; break;
2400 	}
2401 
2402 	return clk_type;
2403 }
2404 
2405 static int smu_print_ppclk_levels(void *handle,
2406 				  enum pp_clock_type type,
2407 				  char *buf)
2408 {
2409 	struct smu_context *smu = handle;
2410 	enum smu_clk_type clk_type;
2411 
2412 	clk_type = smu_convert_to_smuclk(type);
2413 	if (clk_type == SMU_CLK_COUNT)
2414 		return -EINVAL;
2415 
2416 	return smu_print_smuclk_levels(smu, clk_type, buf);
2417 }
2418 
2419 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2420 {
2421 	struct smu_context *smu = handle;
2422 	enum smu_clk_type clk_type;
2423 
2424 	clk_type = smu_convert_to_smuclk(type);
2425 	if (clk_type == SMU_CLK_COUNT)
2426 		return -EINVAL;
2427 
2428 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2429 		return -EOPNOTSUPP;
2430 
2431 	if (!smu->ppt_funcs->emit_clk_levels)
2432 		return -ENOENT;
2433 
2434 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2435 
2436 }
2437 
2438 static int smu_od_edit_dpm_table(void *handle,
2439 				 enum PP_OD_DPM_TABLE_COMMAND type,
2440 				 long *input, uint32_t size)
2441 {
2442 	struct smu_context *smu = handle;
2443 	int ret = 0;
2444 
2445 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2446 		return -EOPNOTSUPP;
2447 
2448 	if (smu->ppt_funcs->od_edit_dpm_table) {
2449 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2450 	}
2451 
2452 	return ret;
2453 }
2454 
2455 static int smu_read_sensor(void *handle,
2456 			   int sensor,
2457 			   void *data,
2458 			   int *size_arg)
2459 {
2460 	struct smu_context *smu = handle;
2461 	struct smu_umd_pstate_table *pstate_table =
2462 				&smu->pstate_table;
2463 	int ret = 0;
2464 	uint32_t *size, size_val;
2465 
2466 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2467 		return -EOPNOTSUPP;
2468 
2469 	if (!data || !size_arg)
2470 		return -EINVAL;
2471 
2472 	size_val = *size_arg;
2473 	size = &size_val;
2474 
2475 	if (smu->ppt_funcs->read_sensor)
2476 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2477 			goto unlock;
2478 
2479 	switch (sensor) {
2480 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2481 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2482 		*size = 4;
2483 		break;
2484 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2485 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2486 		*size = 4;
2487 		break;
2488 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2489 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2490 		*size = 4;
2491 		break;
2492 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2493 		*((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2494 		*size = 4;
2495 		break;
2496 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2497 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2498 		*size = 8;
2499 		break;
2500 	case AMDGPU_PP_SENSOR_UVD_POWER:
2501 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2502 		*size = 4;
2503 		break;
2504 	case AMDGPU_PP_SENSOR_VCE_POWER:
2505 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2506 		*size = 4;
2507 		break;
2508 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2509 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1;
2510 		*size = 4;
2511 		break;
2512 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2513 		*(uint32_t *)data = 0;
2514 		*size = 4;
2515 		break;
2516 	default:
2517 		*size = 0;
2518 		ret = -EOPNOTSUPP;
2519 		break;
2520 	}
2521 
2522 unlock:
2523 	// assign uint32_t to int
2524 	*size_arg = size_val;
2525 
2526 	return ret;
2527 }
2528 
2529 static int smu_get_power_profile_mode(void *handle, char *buf)
2530 {
2531 	struct smu_context *smu = handle;
2532 
2533 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2534 	    !smu->ppt_funcs->get_power_profile_mode)
2535 		return -EOPNOTSUPP;
2536 	if (!buf)
2537 		return -EINVAL;
2538 
2539 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
2540 }
2541 
2542 static int smu_set_power_profile_mode(void *handle,
2543 				      long *param,
2544 				      uint32_t param_size)
2545 {
2546 	struct smu_context *smu = handle;
2547 
2548 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2549 	    !smu->ppt_funcs->set_power_profile_mode)
2550 		return -EOPNOTSUPP;
2551 
2552 	return smu_bump_power_profile_mode(smu, param, param_size);
2553 }
2554 
2555 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
2556 {
2557 	struct smu_context *smu = handle;
2558 
2559 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2560 		return -EOPNOTSUPP;
2561 
2562 	if (!smu->ppt_funcs->get_fan_control_mode)
2563 		return -EOPNOTSUPP;
2564 
2565 	if (!fan_mode)
2566 		return -EINVAL;
2567 
2568 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
2569 
2570 	return 0;
2571 }
2572 
2573 static int smu_set_fan_control_mode(void *handle, u32 value)
2574 {
2575 	struct smu_context *smu = handle;
2576 	int ret = 0;
2577 
2578 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2579 		return -EOPNOTSUPP;
2580 
2581 	if (!smu->ppt_funcs->set_fan_control_mode)
2582 		return -EOPNOTSUPP;
2583 
2584 	if (value == U32_MAX)
2585 		return -EINVAL;
2586 
2587 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
2588 	if (ret)
2589 		goto out;
2590 
2591 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2592 		smu->user_dpm_profile.fan_mode = value;
2593 
2594 		/* reset user dpm fan speed */
2595 		if (value != AMD_FAN_CTRL_MANUAL) {
2596 			smu->user_dpm_profile.fan_speed_pwm = 0;
2597 			smu->user_dpm_profile.fan_speed_rpm = 0;
2598 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
2599 		}
2600 	}
2601 
2602 out:
2603 	return ret;
2604 }
2605 
2606 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
2607 {
2608 	struct smu_context *smu = handle;
2609 	int ret = 0;
2610 
2611 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2612 		return -EOPNOTSUPP;
2613 
2614 	if (!smu->ppt_funcs->get_fan_speed_pwm)
2615 		return -EOPNOTSUPP;
2616 
2617 	if (!speed)
2618 		return -EINVAL;
2619 
2620 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
2621 
2622 	return ret;
2623 }
2624 
2625 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
2626 {
2627 	struct smu_context *smu = handle;
2628 	int ret = 0;
2629 
2630 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2631 		return -EOPNOTSUPP;
2632 
2633 	if (!smu->ppt_funcs->set_fan_speed_pwm)
2634 		return -EOPNOTSUPP;
2635 
2636 	if (speed == U32_MAX)
2637 		return -EINVAL;
2638 
2639 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
2640 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2641 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
2642 		smu->user_dpm_profile.fan_speed_pwm = speed;
2643 
2644 		/* Override custom RPM setting as they cannot co-exist */
2645 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
2646 		smu->user_dpm_profile.fan_speed_rpm = 0;
2647 	}
2648 
2649 	return ret;
2650 }
2651 
2652 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
2653 {
2654 	struct smu_context *smu = handle;
2655 	int ret = 0;
2656 
2657 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2658 		return -EOPNOTSUPP;
2659 
2660 	if (!smu->ppt_funcs->get_fan_speed_rpm)
2661 		return -EOPNOTSUPP;
2662 
2663 	if (!speed)
2664 		return -EINVAL;
2665 
2666 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
2667 
2668 	return ret;
2669 }
2670 
2671 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
2672 {
2673 	struct smu_context *smu = handle;
2674 
2675 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2676 		return -EOPNOTSUPP;
2677 
2678 	return smu_set_min_dcef_deep_sleep(smu, clk);
2679 }
2680 
2681 static int smu_get_clock_by_type_with_latency(void *handle,
2682 					      enum amd_pp_clock_type type,
2683 					      struct pp_clock_levels_with_latency *clocks)
2684 {
2685 	struct smu_context *smu = handle;
2686 	enum smu_clk_type clk_type;
2687 	int ret = 0;
2688 
2689 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2690 		return -EOPNOTSUPP;
2691 
2692 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
2693 		switch (type) {
2694 		case amd_pp_sys_clock:
2695 			clk_type = SMU_GFXCLK;
2696 			break;
2697 		case amd_pp_mem_clock:
2698 			clk_type = SMU_MCLK;
2699 			break;
2700 		case amd_pp_dcef_clock:
2701 			clk_type = SMU_DCEFCLK;
2702 			break;
2703 		case amd_pp_disp_clock:
2704 			clk_type = SMU_DISPCLK;
2705 			break;
2706 		default:
2707 			dev_err(smu->adev->dev, "Invalid clock type!\n");
2708 			return -EINVAL;
2709 		}
2710 
2711 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
2712 	}
2713 
2714 	return ret;
2715 }
2716 
2717 static int smu_display_clock_voltage_request(void *handle,
2718 					     struct pp_display_clock_request *clock_req)
2719 {
2720 	struct smu_context *smu = handle;
2721 	int ret = 0;
2722 
2723 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2724 		return -EOPNOTSUPP;
2725 
2726 	if (smu->ppt_funcs->display_clock_voltage_request)
2727 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
2728 
2729 	return ret;
2730 }
2731 
2732 
2733 static int smu_display_disable_memory_clock_switch(void *handle,
2734 						   bool disable_memory_clock_switch)
2735 {
2736 	struct smu_context *smu = handle;
2737 	int ret = -EINVAL;
2738 
2739 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2740 		return -EOPNOTSUPP;
2741 
2742 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
2743 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
2744 
2745 	return ret;
2746 }
2747 
2748 static int smu_set_xgmi_pstate(void *handle,
2749 			       uint32_t pstate)
2750 {
2751 	struct smu_context *smu = handle;
2752 	int ret = 0;
2753 
2754 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2755 		return -EOPNOTSUPP;
2756 
2757 	if (smu->ppt_funcs->set_xgmi_pstate)
2758 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
2759 
2760 	if(ret)
2761 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
2762 
2763 	return ret;
2764 }
2765 
2766 static int smu_get_baco_capability(void *handle, bool *cap)
2767 {
2768 	struct smu_context *smu = handle;
2769 
2770 	*cap = false;
2771 
2772 	if (!smu->pm_enabled)
2773 		return 0;
2774 
2775 	if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
2776 		*cap = smu->ppt_funcs->baco_is_support(smu);
2777 
2778 	return 0;
2779 }
2780 
2781 static int smu_baco_set_state(void *handle, int state)
2782 {
2783 	struct smu_context *smu = handle;
2784 	int ret = 0;
2785 
2786 	if (!smu->pm_enabled)
2787 		return -EOPNOTSUPP;
2788 
2789 	if (state == 0) {
2790 		if (smu->ppt_funcs->baco_exit)
2791 			ret = smu->ppt_funcs->baco_exit(smu);
2792 	} else if (state == 1) {
2793 		if (smu->ppt_funcs->baco_enter)
2794 			ret = smu->ppt_funcs->baco_enter(smu);
2795 	} else {
2796 		return -EINVAL;
2797 	}
2798 
2799 	if (ret)
2800 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
2801 				(state)?"enter":"exit");
2802 
2803 	return ret;
2804 }
2805 
2806 bool smu_mode1_reset_is_support(struct smu_context *smu)
2807 {
2808 	bool ret = false;
2809 
2810 	if (!smu->pm_enabled)
2811 		return false;
2812 
2813 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
2814 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
2815 
2816 	return ret;
2817 }
2818 
2819 bool smu_mode2_reset_is_support(struct smu_context *smu)
2820 {
2821 	bool ret = false;
2822 
2823 	if (!smu->pm_enabled)
2824 		return false;
2825 
2826 	if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
2827 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
2828 
2829 	return ret;
2830 }
2831 
2832 int smu_mode1_reset(struct smu_context *smu)
2833 {
2834 	int ret = 0;
2835 
2836 	if (!smu->pm_enabled)
2837 		return -EOPNOTSUPP;
2838 
2839 	if (smu->ppt_funcs->mode1_reset)
2840 		ret = smu->ppt_funcs->mode1_reset(smu);
2841 
2842 	return ret;
2843 }
2844 
2845 static int smu_mode2_reset(void *handle)
2846 {
2847 	struct smu_context *smu = handle;
2848 	int ret = 0;
2849 
2850 	if (!smu->pm_enabled)
2851 		return -EOPNOTSUPP;
2852 
2853 	if (smu->ppt_funcs->mode2_reset)
2854 		ret = smu->ppt_funcs->mode2_reset(smu);
2855 
2856 	if (ret)
2857 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
2858 
2859 	return ret;
2860 }
2861 
2862 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
2863 						struct pp_smu_nv_clock_table *max_clocks)
2864 {
2865 	struct smu_context *smu = handle;
2866 	int ret = 0;
2867 
2868 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2869 		return -EOPNOTSUPP;
2870 
2871 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
2872 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
2873 
2874 	return ret;
2875 }
2876 
2877 static int smu_get_uclk_dpm_states(void *handle,
2878 				   unsigned int *clock_values_in_khz,
2879 				   unsigned int *num_states)
2880 {
2881 	struct smu_context *smu = handle;
2882 	int ret = 0;
2883 
2884 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2885 		return -EOPNOTSUPP;
2886 
2887 	if (smu->ppt_funcs->get_uclk_dpm_states)
2888 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
2889 
2890 	return ret;
2891 }
2892 
2893 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
2894 {
2895 	struct smu_context *smu = handle;
2896 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
2897 
2898 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2899 		return -EOPNOTSUPP;
2900 
2901 	if (smu->ppt_funcs->get_current_power_state)
2902 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
2903 
2904 	return pm_state;
2905 }
2906 
2907 static int smu_get_dpm_clock_table(void *handle,
2908 				   struct dpm_clocks *clock_table)
2909 {
2910 	struct smu_context *smu = handle;
2911 	int ret = 0;
2912 
2913 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2914 		return -EOPNOTSUPP;
2915 
2916 	if (smu->ppt_funcs->get_dpm_clock_table)
2917 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
2918 
2919 	return ret;
2920 }
2921 
2922 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
2923 {
2924 	struct smu_context *smu = handle;
2925 
2926 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2927 		return -EOPNOTSUPP;
2928 
2929 	if (!smu->ppt_funcs->get_gpu_metrics)
2930 		return -EOPNOTSUPP;
2931 
2932 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
2933 }
2934 
2935 static int smu_enable_mgpu_fan_boost(void *handle)
2936 {
2937 	struct smu_context *smu = handle;
2938 	int ret = 0;
2939 
2940 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2941 		return -EOPNOTSUPP;
2942 
2943 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
2944 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
2945 
2946 	return ret;
2947 }
2948 
2949 static int smu_gfx_state_change_set(void *handle,
2950 				    uint32_t state)
2951 {
2952 	struct smu_context *smu = handle;
2953 	int ret = 0;
2954 
2955 	if (smu->ppt_funcs->gfx_state_change_set)
2956 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
2957 
2958 	return ret;
2959 }
2960 
2961 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
2962 {
2963 	int ret = 0;
2964 
2965 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
2966 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
2967 
2968 	return ret;
2969 }
2970 
2971 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
2972 {
2973 	int ret = -EOPNOTSUPP;
2974 
2975 	if (smu->ppt_funcs &&
2976 		smu->ppt_funcs->get_ecc_info)
2977 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
2978 
2979 	return ret;
2980 
2981 }
2982 
2983 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
2984 {
2985 	struct smu_context *smu = handle;
2986 	struct smu_table_context *smu_table = &smu->smu_table;
2987 	struct smu_table *memory_pool = &smu_table->memory_pool;
2988 
2989 	if (!addr || !size)
2990 		return -EINVAL;
2991 
2992 	*addr = NULL;
2993 	*size = 0;
2994 	if (memory_pool->bo) {
2995 		*addr = memory_pool->cpu_addr;
2996 		*size = memory_pool->size;
2997 	}
2998 
2999 	return 0;
3000 }
3001 
3002 static const struct amd_pm_funcs swsmu_pm_funcs = {
3003 	/* export for sysfs */
3004 	.set_fan_control_mode    = smu_set_fan_control_mode,
3005 	.get_fan_control_mode    = smu_get_fan_control_mode,
3006 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3007 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3008 	.force_clock_level       = smu_force_ppclk_levels,
3009 	.print_clock_levels      = smu_print_ppclk_levels,
3010 	.emit_clock_levels       = smu_emit_ppclk_levels,
3011 	.force_performance_level = smu_force_performance_level,
3012 	.read_sensor             = smu_read_sensor,
3013 	.get_performance_level   = smu_get_performance_level,
3014 	.get_current_power_state = smu_get_current_power_state,
3015 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3016 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3017 	.get_pp_num_states       = smu_get_power_num_states,
3018 	.get_pp_table            = smu_sys_get_pp_table,
3019 	.set_pp_table            = smu_sys_set_pp_table,
3020 	.switch_power_profile    = smu_switch_power_profile,
3021 	/* export to amdgpu */
3022 	.dispatch_tasks          = smu_handle_dpm_task,
3023 	.load_firmware           = smu_load_microcode,
3024 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3025 	.set_power_limit         = smu_set_power_limit,
3026 	.get_power_limit         = smu_get_power_limit,
3027 	.get_power_profile_mode  = smu_get_power_profile_mode,
3028 	.set_power_profile_mode  = smu_set_power_profile_mode,
3029 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3030 	.set_mp1_state           = smu_set_mp1_state,
3031 	.gfx_state_change_set    = smu_gfx_state_change_set,
3032 	/* export to DC */
3033 	.get_sclk                         = smu_get_sclk,
3034 	.get_mclk                         = smu_get_mclk,
3035 	.display_configuration_change     = smu_display_configuration_change,
3036 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3037 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3038 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3039 	.set_active_display_count         = smu_set_display_count,
3040 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3041 	.get_asic_baco_capability         = smu_get_baco_capability,
3042 	.set_asic_baco_state              = smu_baco_set_state,
3043 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3044 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3045 	.asic_reset_mode_2                = smu_mode2_reset,
3046 	.set_df_cstate                    = smu_set_df_cstate,
3047 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3048 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3049 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3050 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3051 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3052 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3053 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3054 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3055 };
3056 
3057 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3058 		       uint64_t event_arg)
3059 {
3060 	int ret = -EINVAL;
3061 
3062 	if (smu->ppt_funcs->wait_for_event)
3063 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3064 
3065 	return ret;
3066 }
3067 
3068 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3069 {
3070 
3071 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3072 		return -EOPNOTSUPP;
3073 
3074 	/* Confirm the buffer allocated is of correct size */
3075 	if (size != smu->stb_context.stb_buf_size)
3076 		return -EINVAL;
3077 
3078 	/*
3079 	 * No need to lock smu mutex as we access STB directly through MMIO
3080 	 * and not going through SMU messaging route (for now at least).
3081 	 * For registers access rely on implementation internal locking.
3082 	 */
3083 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3084 }
3085 
3086 #if defined(CONFIG_DEBUG_FS)
3087 
3088 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3089 {
3090 	struct amdgpu_device *adev = filp->f_inode->i_private;
3091 	struct smu_context *smu = adev->powerplay.pp_handle;
3092 	unsigned char *buf;
3093 	int r;
3094 
3095 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3096 	if (!buf)
3097 		return -ENOMEM;
3098 
3099 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3100 	if (r)
3101 		goto out;
3102 
3103 	filp->private_data = buf;
3104 
3105 	return 0;
3106 
3107 out:
3108 	kvfree(buf);
3109 	return r;
3110 }
3111 
3112 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3113 				loff_t *pos)
3114 {
3115 	struct amdgpu_device *adev = filp->f_inode->i_private;
3116 	struct smu_context *smu = adev->powerplay.pp_handle;
3117 
3118 
3119 	if (!filp->private_data)
3120 		return -EINVAL;
3121 
3122 	return simple_read_from_buffer(buf,
3123 				       size,
3124 				       pos, filp->private_data,
3125 				       smu->stb_context.stb_buf_size);
3126 }
3127 
3128 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3129 {
3130 	kvfree(filp->private_data);
3131 	filp->private_data = NULL;
3132 
3133 	return 0;
3134 }
3135 
3136 /*
3137  * We have to define not only read method but also
3138  * open and release because .read takes up to PAGE_SIZE
3139  * data each time so and so is invoked multiple times.
3140  *  We allocate the STB buffer in .open and release it
3141  *  in .release
3142  */
3143 static const struct file_operations smu_stb_debugfs_fops = {
3144 	.owner = THIS_MODULE,
3145 	.open = smu_stb_debugfs_open,
3146 	.read = smu_stb_debugfs_read,
3147 	.release = smu_stb_debugfs_release,
3148 	.llseek = default_llseek,
3149 };
3150 
3151 #endif
3152 
3153 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3154 {
3155 #if defined(CONFIG_DEBUG_FS)
3156 
3157 	struct smu_context *smu = adev->powerplay.pp_handle;
3158 
3159 	if (!smu || (!smu->stb_context.stb_buf_size))
3160 		return;
3161 
3162 	debugfs_create_file_size("amdgpu_smu_stb_dump",
3163 			    S_IRUSR,
3164 			    adev_to_drm(adev)->primary->debugfs_root,
3165 			    adev,
3166 			    &smu_stb_debugfs_fops,
3167 			    smu->stb_context.stb_buf_size);
3168 #endif
3169 }
3170 
3171 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3172 {
3173 	int ret = 0;
3174 
3175 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3176 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3177 
3178 	return ret;
3179 }
3180 
3181 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3182 {
3183 	int ret = 0;
3184 
3185 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3186 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3187 
3188 	return ret;
3189 }
3190