xref: /linux/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c (revision 2da68a77)
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 		smu_v13_0_4_set_ppt_funcs(smu);
589 		break;
590 	case IP_VERSION(13, 0, 5):
591 		smu_v13_0_5_set_ppt_funcs(smu);
592 		break;
593 	case IP_VERSION(11, 0, 8):
594 		cyan_skillfish_set_ppt_funcs(smu);
595 		break;
596 	case IP_VERSION(11, 0, 2):
597 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
598 		arcturus_set_ppt_funcs(smu);
599 		/* OD is not supported on Arcturus */
600 		smu->od_enabled =false;
601 		break;
602 	case IP_VERSION(13, 0, 2):
603 		aldebaran_set_ppt_funcs(smu);
604 		/* Enable pp_od_clk_voltage node */
605 		smu->od_enabled = true;
606 		break;
607 	case IP_VERSION(13, 0, 0):
608 	case IP_VERSION(13, 0, 10):
609 		smu_v13_0_0_set_ppt_funcs(smu);
610 		break;
611 	case IP_VERSION(13, 0, 7):
612 		smu_v13_0_7_set_ppt_funcs(smu);
613 		break;
614 	default:
615 		return -EINVAL;
616 	}
617 
618 	return 0;
619 }
620 
621 static int smu_early_init(void *handle)
622 {
623 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
624 	struct smu_context *smu;
625 
626 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
627 	if (!smu)
628 		return -ENOMEM;
629 
630 	smu->adev = adev;
631 	smu->pm_enabled = !!amdgpu_dpm;
632 	smu->is_apu = false;
633 	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
634 	smu->smu_baco.platform_support = false;
635 	smu->user_dpm_profile.fan_mode = -1;
636 
637 	mutex_init(&smu->message_lock);
638 
639 	adev->powerplay.pp_handle = smu;
640 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
641 
642 	return smu_set_funcs(adev);
643 }
644 
645 static int smu_set_default_dpm_table(struct smu_context *smu)
646 {
647 	struct smu_power_context *smu_power = &smu->smu_power;
648 	struct smu_power_gate *power_gate = &smu_power->power_gate;
649 	int vcn_gate, jpeg_gate;
650 	int ret = 0;
651 
652 	if (!smu->ppt_funcs->set_default_dpm_table)
653 		return 0;
654 
655 	vcn_gate = atomic_read(&power_gate->vcn_gated);
656 	jpeg_gate = atomic_read(&power_gate->jpeg_gated);
657 
658 	ret = smu_dpm_set_vcn_enable(smu, true);
659 	if (ret)
660 		return ret;
661 
662 	ret = smu_dpm_set_jpeg_enable(smu, true);
663 	if (ret)
664 		goto err_out;
665 
666 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
667 	if (ret)
668 		dev_err(smu->adev->dev,
669 			"Failed to setup default dpm clock tables!\n");
670 
671 	smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
672 err_out:
673 	smu_dpm_set_vcn_enable(smu, !vcn_gate);
674 	return ret;
675 }
676 
677 static int smu_apply_default_config_table_settings(struct smu_context *smu)
678 {
679 	struct amdgpu_device *adev = smu->adev;
680 	int ret = 0;
681 
682 	ret = smu_get_default_config_table_settings(smu,
683 						    &adev->pm.config_table);
684 	if (ret)
685 		return ret;
686 
687 	return smu_set_config_table(smu, &adev->pm.config_table);
688 }
689 
690 static int smu_late_init(void *handle)
691 {
692 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
693 	struct smu_context *smu = adev->powerplay.pp_handle;
694 	int ret = 0;
695 
696 	smu_set_fine_grain_gfx_freq_parameters(smu);
697 
698 	if (!smu->pm_enabled)
699 		return 0;
700 
701 	ret = smu_post_init(smu);
702 	if (ret) {
703 		dev_err(adev->dev, "Failed to post smu init!\n");
704 		return ret;
705 	}
706 
707 	if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
708 	    (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))
709 		return 0;
710 
711 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
712 		ret = smu_set_default_od_settings(smu);
713 		if (ret) {
714 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
715 			return ret;
716 		}
717 	}
718 
719 	ret = smu_populate_umd_state_clk(smu);
720 	if (ret) {
721 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
722 		return ret;
723 	}
724 
725 	ret = smu_get_asic_power_limits(smu,
726 					&smu->current_power_limit,
727 					&smu->default_power_limit,
728 					&smu->max_power_limit);
729 	if (ret) {
730 		dev_err(adev->dev, "Failed to get asic power limits!\n");
731 		return ret;
732 	}
733 
734 	if (!amdgpu_sriov_vf(adev))
735 		smu_get_unique_id(smu);
736 
737 	smu_get_fan_parameters(smu);
738 
739 	smu_handle_task(smu,
740 			smu->smu_dpm.dpm_level,
741 			AMD_PP_TASK_COMPLETE_INIT);
742 
743 	ret = smu_apply_default_config_table_settings(smu);
744 	if (ret && (ret != -EOPNOTSUPP)) {
745 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
746 		return ret;
747 	}
748 
749 	smu_restore_dpm_user_profile(smu);
750 
751 	return 0;
752 }
753 
754 static int smu_init_fb_allocations(struct smu_context *smu)
755 {
756 	struct amdgpu_device *adev = smu->adev;
757 	struct smu_table_context *smu_table = &smu->smu_table;
758 	struct smu_table *tables = smu_table->tables;
759 	struct smu_table *driver_table = &(smu_table->driver_table);
760 	uint32_t max_table_size = 0;
761 	int ret, i;
762 
763 	/* VRAM allocation for tool table */
764 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
765 		ret = amdgpu_bo_create_kernel(adev,
766 					      tables[SMU_TABLE_PMSTATUSLOG].size,
767 					      tables[SMU_TABLE_PMSTATUSLOG].align,
768 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
769 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
770 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
771 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
772 		if (ret) {
773 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
774 			return ret;
775 		}
776 	}
777 
778 	/* VRAM allocation for driver table */
779 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
780 		if (tables[i].size == 0)
781 			continue;
782 
783 		if (i == SMU_TABLE_PMSTATUSLOG)
784 			continue;
785 
786 		if (max_table_size < tables[i].size)
787 			max_table_size = tables[i].size;
788 	}
789 
790 	driver_table->size = max_table_size;
791 	driver_table->align = PAGE_SIZE;
792 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
793 
794 	ret = amdgpu_bo_create_kernel(adev,
795 				      driver_table->size,
796 				      driver_table->align,
797 				      driver_table->domain,
798 				      &driver_table->bo,
799 				      &driver_table->mc_address,
800 				      &driver_table->cpu_addr);
801 	if (ret) {
802 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
803 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
804 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
805 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
806 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
807 	}
808 
809 	return ret;
810 }
811 
812 static int smu_fini_fb_allocations(struct smu_context *smu)
813 {
814 	struct smu_table_context *smu_table = &smu->smu_table;
815 	struct smu_table *tables = smu_table->tables;
816 	struct smu_table *driver_table = &(smu_table->driver_table);
817 
818 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
819 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
820 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
821 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
822 
823 	amdgpu_bo_free_kernel(&driver_table->bo,
824 			      &driver_table->mc_address,
825 			      &driver_table->cpu_addr);
826 
827 	return 0;
828 }
829 
830 /**
831  * smu_alloc_memory_pool - allocate memory pool in the system memory
832  *
833  * @smu: amdgpu_device pointer
834  *
835  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
836  * and DramLogSetDramAddr can notify it changed.
837  *
838  * Returns 0 on success, error on failure.
839  */
840 static int smu_alloc_memory_pool(struct smu_context *smu)
841 {
842 	struct amdgpu_device *adev = smu->adev;
843 	struct smu_table_context *smu_table = &smu->smu_table;
844 	struct smu_table *memory_pool = &smu_table->memory_pool;
845 	uint64_t pool_size = smu->pool_size;
846 	int ret = 0;
847 
848 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
849 		return ret;
850 
851 	memory_pool->size = pool_size;
852 	memory_pool->align = PAGE_SIZE;
853 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
854 
855 	switch (pool_size) {
856 	case SMU_MEMORY_POOL_SIZE_256_MB:
857 	case SMU_MEMORY_POOL_SIZE_512_MB:
858 	case SMU_MEMORY_POOL_SIZE_1_GB:
859 	case SMU_MEMORY_POOL_SIZE_2_GB:
860 		ret = amdgpu_bo_create_kernel(adev,
861 					      memory_pool->size,
862 					      memory_pool->align,
863 					      memory_pool->domain,
864 					      &memory_pool->bo,
865 					      &memory_pool->mc_address,
866 					      &memory_pool->cpu_addr);
867 		if (ret)
868 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
869 		break;
870 	default:
871 		break;
872 	}
873 
874 	return ret;
875 }
876 
877 static int smu_free_memory_pool(struct smu_context *smu)
878 {
879 	struct smu_table_context *smu_table = &smu->smu_table;
880 	struct smu_table *memory_pool = &smu_table->memory_pool;
881 
882 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
883 		return 0;
884 
885 	amdgpu_bo_free_kernel(&memory_pool->bo,
886 			      &memory_pool->mc_address,
887 			      &memory_pool->cpu_addr);
888 
889 	memset(memory_pool, 0, sizeof(struct smu_table));
890 
891 	return 0;
892 }
893 
894 static int smu_alloc_dummy_read_table(struct smu_context *smu)
895 {
896 	struct smu_table_context *smu_table = &smu->smu_table;
897 	struct smu_table *dummy_read_1_table =
898 			&smu_table->dummy_read_1_table;
899 	struct amdgpu_device *adev = smu->adev;
900 	int ret = 0;
901 
902 	dummy_read_1_table->size = 0x40000;
903 	dummy_read_1_table->align = PAGE_SIZE;
904 	dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
905 
906 	ret = amdgpu_bo_create_kernel(adev,
907 				      dummy_read_1_table->size,
908 				      dummy_read_1_table->align,
909 				      dummy_read_1_table->domain,
910 				      &dummy_read_1_table->bo,
911 				      &dummy_read_1_table->mc_address,
912 				      &dummy_read_1_table->cpu_addr);
913 	if (ret)
914 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
915 
916 	return ret;
917 }
918 
919 static void smu_free_dummy_read_table(struct smu_context *smu)
920 {
921 	struct smu_table_context *smu_table = &smu->smu_table;
922 	struct smu_table *dummy_read_1_table =
923 			&smu_table->dummy_read_1_table;
924 
925 
926 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
927 			      &dummy_read_1_table->mc_address,
928 			      &dummy_read_1_table->cpu_addr);
929 
930 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
931 }
932 
933 static int smu_smc_table_sw_init(struct smu_context *smu)
934 {
935 	int ret;
936 
937 	/**
938 	 * Create smu_table structure, and init smc tables such as
939 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
940 	 */
941 	ret = smu_init_smc_tables(smu);
942 	if (ret) {
943 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
944 		return ret;
945 	}
946 
947 	/**
948 	 * Create smu_power_context structure, and allocate smu_dpm_context and
949 	 * context size to fill the smu_power_context data.
950 	 */
951 	ret = smu_init_power(smu);
952 	if (ret) {
953 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
954 		return ret;
955 	}
956 
957 	/*
958 	 * allocate vram bos to store smc table contents.
959 	 */
960 	ret = smu_init_fb_allocations(smu);
961 	if (ret)
962 		return ret;
963 
964 	ret = smu_alloc_memory_pool(smu);
965 	if (ret)
966 		return ret;
967 
968 	ret = smu_alloc_dummy_read_table(smu);
969 	if (ret)
970 		return ret;
971 
972 	ret = smu_i2c_init(smu);
973 	if (ret)
974 		return ret;
975 
976 	return 0;
977 }
978 
979 static int smu_smc_table_sw_fini(struct smu_context *smu)
980 {
981 	int ret;
982 
983 	smu_i2c_fini(smu);
984 
985 	smu_free_dummy_read_table(smu);
986 
987 	ret = smu_free_memory_pool(smu);
988 	if (ret)
989 		return ret;
990 
991 	ret = smu_fini_fb_allocations(smu);
992 	if (ret)
993 		return ret;
994 
995 	ret = smu_fini_power(smu);
996 	if (ret) {
997 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
998 		return ret;
999 	}
1000 
1001 	ret = smu_fini_smc_tables(smu);
1002 	if (ret) {
1003 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1004 		return ret;
1005 	}
1006 
1007 	return 0;
1008 }
1009 
1010 static void smu_throttling_logging_work_fn(struct work_struct *work)
1011 {
1012 	struct smu_context *smu = container_of(work, struct smu_context,
1013 					       throttling_logging_work);
1014 
1015 	smu_log_thermal_throttling(smu);
1016 }
1017 
1018 static void smu_interrupt_work_fn(struct work_struct *work)
1019 {
1020 	struct smu_context *smu = container_of(work, struct smu_context,
1021 					       interrupt_work);
1022 
1023 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1024 		smu->ppt_funcs->interrupt_work(smu);
1025 }
1026 
1027 static int smu_sw_init(void *handle)
1028 {
1029 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1030 	struct smu_context *smu = adev->powerplay.pp_handle;
1031 	int ret;
1032 
1033 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1034 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1035 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1036 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1037 
1038 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1039 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1040 	atomic64_set(&smu->throttle_int_counter, 0);
1041 	smu->watermarks_bitmap = 0;
1042 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1043 	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1044 
1045 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1046 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1047 
1048 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1049 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1050 	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1051 	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1052 	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1053 	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1054 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1055 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1056 
1057 	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1058 	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1059 	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1060 	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1061 	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1062 	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1063 	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1064 	smu->display_config = &adev->pm.pm_display_cfg;
1065 
1066 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1067 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1068 
1069 	ret = smu_init_microcode(smu);
1070 	if (ret) {
1071 		dev_err(adev->dev, "Failed to load smu firmware!\n");
1072 		return ret;
1073 	}
1074 
1075 	ret = smu_smc_table_sw_init(smu);
1076 	if (ret) {
1077 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1078 		return ret;
1079 	}
1080 
1081 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1082 	ret = smu_get_vbios_bootup_values(smu);
1083 	if (ret) {
1084 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1085 		return ret;
1086 	}
1087 
1088 	ret = smu_init_pptable_microcode(smu);
1089 	if (ret) {
1090 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1091 		return ret;
1092 	}
1093 
1094 	ret = smu_register_irq_handler(smu);
1095 	if (ret) {
1096 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1097 		return ret;
1098 	}
1099 
1100 	/* If there is no way to query fan control mode, fan control is not supported */
1101 	if (!smu->ppt_funcs->get_fan_control_mode)
1102 		smu->adev->pm.no_fan = true;
1103 
1104 	return 0;
1105 }
1106 
1107 static int smu_sw_fini(void *handle)
1108 {
1109 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1110 	struct smu_context *smu = adev->powerplay.pp_handle;
1111 	int ret;
1112 
1113 	ret = smu_smc_table_sw_fini(smu);
1114 	if (ret) {
1115 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1116 		return ret;
1117 	}
1118 
1119 	smu_fini_microcode(smu);
1120 
1121 	return 0;
1122 }
1123 
1124 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1125 {
1126 	struct amdgpu_device *adev = smu->adev;
1127 	struct smu_temperature_range *range =
1128 				&smu->thermal_range;
1129 	int ret = 0;
1130 
1131 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1132 		return 0;
1133 
1134 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1135 	if (ret)
1136 		return ret;
1137 
1138 	adev->pm.dpm.thermal.min_temp = range->min;
1139 	adev->pm.dpm.thermal.max_temp = range->max;
1140 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1141 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1142 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1143 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1144 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1145 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1146 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1147 
1148 	return ret;
1149 }
1150 
1151 static int smu_smc_hw_setup(struct smu_context *smu)
1152 {
1153 	struct smu_feature *feature = &smu->smu_feature;
1154 	struct amdgpu_device *adev = smu->adev;
1155 	uint32_t pcie_gen = 0, pcie_width = 0;
1156 	uint64_t features_supported;
1157 	int ret = 0;
1158 
1159 	switch (adev->ip_versions[MP1_HWIP][0]) {
1160 	case IP_VERSION(11, 0, 7):
1161 	case IP_VERSION(11, 0, 11):
1162 	case IP_VERSION(11, 5, 0):
1163 	case IP_VERSION(11, 0, 12):
1164 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1165 			dev_info(adev->dev, "dpm has been enabled\n");
1166 			ret = smu_system_features_control(smu, true);
1167 			if (ret)
1168 				dev_err(adev->dev, "Failed system features control!\n");
1169 			return ret;
1170 		}
1171 		break;
1172 	default:
1173 		break;
1174 	}
1175 
1176 	ret = smu_init_display_count(smu, 0);
1177 	if (ret) {
1178 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1179 		return ret;
1180 	}
1181 
1182 	ret = smu_set_driver_table_location(smu);
1183 	if (ret) {
1184 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1185 		return ret;
1186 	}
1187 
1188 	/*
1189 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1190 	 */
1191 	ret = smu_set_tool_table_location(smu);
1192 	if (ret) {
1193 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1194 		return ret;
1195 	}
1196 
1197 	/*
1198 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1199 	 * pool location.
1200 	 */
1201 	ret = smu_notify_memory_pool_location(smu);
1202 	if (ret) {
1203 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1204 		return ret;
1205 	}
1206 
1207 	ret = smu_setup_pptable(smu);
1208 	if (ret) {
1209 		dev_err(adev->dev, "Failed to setup pptable!\n");
1210 		return ret;
1211 	}
1212 
1213 	/* smu_dump_pptable(smu); */
1214 
1215 	/*
1216 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1217 	 * (to SMU). Driver involvement is not needed and permitted.
1218 	 */
1219 	if (!adev->scpm_enabled) {
1220 		/*
1221 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1222 		 * SetDriverDramAddr and TransferTableDram2Smu.
1223 		 */
1224 		ret = smu_write_pptable(smu);
1225 		if (ret) {
1226 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1227 			return ret;
1228 		}
1229 	}
1230 
1231 	/* issue Run*Btc msg */
1232 	ret = smu_run_btc(smu);
1233 	if (ret)
1234 		return ret;
1235 
1236 	/*
1237 	 * With SCPM enabled, these actions(and relevant messages) are
1238 	 * not needed and permitted.
1239 	 */
1240 	if (!adev->scpm_enabled) {
1241 		ret = smu_feature_set_allowed_mask(smu);
1242 		if (ret) {
1243 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1244 			return ret;
1245 		}
1246 	}
1247 
1248 	ret = smu_system_features_control(smu, true);
1249 	if (ret) {
1250 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1251 		return ret;
1252 	}
1253 
1254 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1255 	if (ret) {
1256 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1257 		return ret;
1258 	}
1259 	bitmap_copy(feature->supported,
1260 		    (unsigned long *)&features_supported,
1261 		    feature->feature_num);
1262 
1263 	if (!smu_is_dpm_running(smu))
1264 		dev_info(adev->dev, "dpm has been disabled\n");
1265 
1266 	/*
1267 	 * Set initialized values (get from vbios) to dpm tables context such as
1268 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1269 	 * type of clks.
1270 	 */
1271 	ret = smu_set_default_dpm_table(smu);
1272 	if (ret) {
1273 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1274 		return ret;
1275 	}
1276 
1277 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1278 		pcie_gen = 3;
1279 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1280 		pcie_gen = 2;
1281 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1282 		pcie_gen = 1;
1283 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1284 		pcie_gen = 0;
1285 
1286 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1287 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1288 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1289 	 */
1290 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1291 		pcie_width = 6;
1292 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1293 		pcie_width = 5;
1294 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1295 		pcie_width = 4;
1296 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1297 		pcie_width = 3;
1298 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1299 		pcie_width = 2;
1300 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1301 		pcie_width = 1;
1302 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1303 	if (ret) {
1304 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1305 		return ret;
1306 	}
1307 
1308 	ret = smu_get_thermal_temperature_range(smu);
1309 	if (ret) {
1310 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1311 		return ret;
1312 	}
1313 
1314 	ret = smu_enable_thermal_alert(smu);
1315 	if (ret) {
1316 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1317 	  return ret;
1318 	}
1319 
1320 	ret = smu_notify_display_change(smu);
1321 	if (ret) {
1322 		dev_err(adev->dev, "Failed to notify display change!\n");
1323 		return ret;
1324 	}
1325 
1326 	/*
1327 	 * Set min deep sleep dce fclk with bootup value from vbios via
1328 	 * SetMinDeepSleepDcefclk MSG.
1329 	 */
1330 	ret = smu_set_min_dcef_deep_sleep(smu,
1331 					  smu->smu_table.boot_values.dcefclk / 100);
1332 
1333 	return ret;
1334 }
1335 
1336 static int smu_start_smc_engine(struct smu_context *smu)
1337 {
1338 	struct amdgpu_device *adev = smu->adev;
1339 	int ret = 0;
1340 
1341 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1342 		if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) {
1343 			if (smu->ppt_funcs->load_microcode) {
1344 				ret = smu->ppt_funcs->load_microcode(smu);
1345 				if (ret)
1346 					return ret;
1347 			}
1348 		}
1349 	}
1350 
1351 	if (smu->ppt_funcs->check_fw_status) {
1352 		ret = smu->ppt_funcs->check_fw_status(smu);
1353 		if (ret) {
1354 			dev_err(adev->dev, "SMC is not ready\n");
1355 			return ret;
1356 		}
1357 	}
1358 
1359 	/*
1360 	 * Send msg GetDriverIfVersion to check if the return value is equal
1361 	 * with DRIVER_IF_VERSION of smc header.
1362 	 */
1363 	ret = smu_check_fw_version(smu);
1364 	if (ret)
1365 		return ret;
1366 
1367 	return ret;
1368 }
1369 
1370 static int smu_hw_init(void *handle)
1371 {
1372 	int ret;
1373 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1374 	struct smu_context *smu = adev->powerplay.pp_handle;
1375 
1376 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1377 		smu->pm_enabled = false;
1378 		return 0;
1379 	}
1380 
1381 	ret = smu_start_smc_engine(smu);
1382 	if (ret) {
1383 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1384 		return ret;
1385 	}
1386 
1387 	if (smu->is_apu) {
1388 		if ((smu->ppt_funcs->set_gfx_power_up_by_imu) &&
1389 				likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
1390 			ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
1391 			if (ret) {
1392 				dev_err(adev->dev, "Failed to Enable gfx imu!\n");
1393 				return ret;
1394 			}
1395 		}
1396 
1397 		smu_dpm_set_vcn_enable(smu, true);
1398 		smu_dpm_set_jpeg_enable(smu, true);
1399 		smu_set_gfx_cgpg(smu, true);
1400 	}
1401 
1402 	if (!smu->pm_enabled)
1403 		return 0;
1404 
1405 	ret = smu_get_driver_allowed_feature_mask(smu);
1406 	if (ret)
1407 		return ret;
1408 
1409 	ret = smu_smc_hw_setup(smu);
1410 	if (ret) {
1411 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1412 		return ret;
1413 	}
1414 
1415 	/*
1416 	 * Move maximum sustainable clock retrieving here considering
1417 	 * 1. It is not needed on resume(from S3).
1418 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1419 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1420 	 *    it cannot be put in .late_init().
1421 	 */
1422 	ret = smu_init_max_sustainable_clocks(smu);
1423 	if (ret) {
1424 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1425 		return ret;
1426 	}
1427 
1428 	adev->pm.dpm_enabled = true;
1429 
1430 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1431 
1432 	return 0;
1433 }
1434 
1435 static int smu_disable_dpms(struct smu_context *smu)
1436 {
1437 	struct amdgpu_device *adev = smu->adev;
1438 	int ret = 0;
1439 	bool use_baco = !smu->is_apu &&
1440 		((amdgpu_in_reset(adev) &&
1441 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1442 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1443 
1444 	/*
1445 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1446 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1447 	 */
1448 	switch (adev->ip_versions[MP1_HWIP][0]) {
1449 	case IP_VERSION(13, 0, 0):
1450 	case IP_VERSION(13, 0, 7):
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 gpu reset, runpm and hibernation through BACO,
1502 	 * BACO feature has to be kept enabled.
1503 	 */
1504 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1505 		ret = smu_disable_all_features_with_exception(smu,
1506 							      SMU_FEATURE_BACO_BIT);
1507 		if (ret)
1508 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1509 	} else {
1510 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1511 		if (!adev->scpm_enabled) {
1512 			ret = smu_system_features_control(smu, false);
1513 			if (ret)
1514 				dev_err(adev->dev, "Failed to disable smu features.\n");
1515 		}
1516 	}
1517 
1518 	if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
1519 	    adev->gfx.rlc.funcs->stop)
1520 		adev->gfx.rlc.funcs->stop(adev);
1521 
1522 	return ret;
1523 }
1524 
1525 static int smu_smc_hw_cleanup(struct smu_context *smu)
1526 {
1527 	struct amdgpu_device *adev = smu->adev;
1528 	int ret = 0;
1529 
1530 	cancel_work_sync(&smu->throttling_logging_work);
1531 	cancel_work_sync(&smu->interrupt_work);
1532 
1533 	ret = smu_disable_thermal_alert(smu);
1534 	if (ret) {
1535 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
1536 		return ret;
1537 	}
1538 
1539 	ret = smu_disable_dpms(smu);
1540 	if (ret) {
1541 		dev_err(adev->dev, "Fail to disable dpm features!\n");
1542 		return ret;
1543 	}
1544 
1545 	return 0;
1546 }
1547 
1548 static int smu_hw_fini(void *handle)
1549 {
1550 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1551 	struct smu_context *smu = adev->powerplay.pp_handle;
1552 
1553 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1554 		return 0;
1555 
1556 	smu_dpm_set_vcn_enable(smu, false);
1557 	smu_dpm_set_jpeg_enable(smu, false);
1558 
1559 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
1560 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
1561 
1562 	if (!smu->pm_enabled)
1563 		return 0;
1564 
1565 	adev->pm.dpm_enabled = false;
1566 
1567 	return smu_smc_hw_cleanup(smu);
1568 }
1569 
1570 static void smu_late_fini(void *handle)
1571 {
1572 	struct amdgpu_device *adev = handle;
1573 	struct smu_context *smu = adev->powerplay.pp_handle;
1574 
1575 	kfree(smu);
1576 }
1577 
1578 static int smu_reset(struct smu_context *smu)
1579 {
1580 	struct amdgpu_device *adev = smu->adev;
1581 	int ret;
1582 
1583 	ret = smu_hw_fini(adev);
1584 	if (ret)
1585 		return ret;
1586 
1587 	ret = smu_hw_init(adev);
1588 	if (ret)
1589 		return ret;
1590 
1591 	ret = smu_late_init(adev);
1592 	if (ret)
1593 		return ret;
1594 
1595 	return 0;
1596 }
1597 
1598 static int smu_suspend(void *handle)
1599 {
1600 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1601 	struct smu_context *smu = adev->powerplay.pp_handle;
1602 	int ret;
1603 	uint64_t count;
1604 
1605 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1606 		return 0;
1607 
1608 	if (!smu->pm_enabled)
1609 		return 0;
1610 
1611 	adev->pm.dpm_enabled = false;
1612 
1613 	ret = smu_smc_hw_cleanup(smu);
1614 	if (ret)
1615 		return ret;
1616 
1617 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
1618 
1619 	smu_set_gfx_cgpg(smu, false);
1620 
1621 	/*
1622 	 * pwfw resets entrycount when device is suspended, so we save the
1623 	 * last value to be used when we resume to keep it consistent
1624 	 */
1625 	ret = smu_get_entrycount_gfxoff(smu, &count);
1626 	if (!ret)
1627 		adev->gfx.gfx_off_entrycount = count;
1628 
1629 	return 0;
1630 }
1631 
1632 static int smu_resume(void *handle)
1633 {
1634 	int ret;
1635 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1636 	struct smu_context *smu = adev->powerplay.pp_handle;
1637 
1638 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1639 		return 0;
1640 
1641 	if (!smu->pm_enabled)
1642 		return 0;
1643 
1644 	dev_info(adev->dev, "SMU is resuming...\n");
1645 
1646 	ret = smu_start_smc_engine(smu);
1647 	if (ret) {
1648 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1649 		return ret;
1650 	}
1651 
1652 	ret = smu_smc_hw_setup(smu);
1653 	if (ret) {
1654 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1655 		return ret;
1656 	}
1657 
1658 	smu_set_gfx_cgpg(smu, true);
1659 
1660 	smu->disable_uclk_switch = 0;
1661 
1662 	adev->pm.dpm_enabled = true;
1663 
1664 	dev_info(adev->dev, "SMU is resumed successfully!\n");
1665 
1666 	return 0;
1667 }
1668 
1669 static int smu_display_configuration_change(void *handle,
1670 					    const struct amd_pp_display_configuration *display_config)
1671 {
1672 	struct smu_context *smu = handle;
1673 	int index = 0;
1674 	int num_of_active_display = 0;
1675 
1676 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1677 		return -EOPNOTSUPP;
1678 
1679 	if (!display_config)
1680 		return -EINVAL;
1681 
1682 	smu_set_min_dcef_deep_sleep(smu,
1683 				    display_config->min_dcef_deep_sleep_set_clk / 100);
1684 
1685 	for (index = 0; index < display_config->num_path_including_non_display; index++) {
1686 		if (display_config->displays[index].controller_id != 0)
1687 			num_of_active_display++;
1688 	}
1689 
1690 	return 0;
1691 }
1692 
1693 static int smu_set_clockgating_state(void *handle,
1694 				     enum amd_clockgating_state state)
1695 {
1696 	return 0;
1697 }
1698 
1699 static int smu_set_powergating_state(void *handle,
1700 				     enum amd_powergating_state state)
1701 {
1702 	return 0;
1703 }
1704 
1705 static int smu_enable_umd_pstate(void *handle,
1706 		      enum amd_dpm_forced_level *level)
1707 {
1708 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
1709 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
1710 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
1711 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
1712 
1713 	struct smu_context *smu = (struct smu_context*)(handle);
1714 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1715 
1716 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1717 		return -EINVAL;
1718 
1719 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
1720 		/* enter umd pstate, save current level, disable gfx cg*/
1721 		if (*level & profile_mode_mask) {
1722 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
1723 			smu_gpo_control(smu, false);
1724 			smu_gfx_ulv_control(smu, false);
1725 			smu_deep_sleep_control(smu, false);
1726 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
1727 		}
1728 	} else {
1729 		/* exit umd pstate, restore level, enable gfx cg*/
1730 		if (!(*level & profile_mode_mask)) {
1731 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
1732 				*level = smu_dpm_ctx->saved_dpm_level;
1733 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
1734 			smu_deep_sleep_control(smu, true);
1735 			smu_gfx_ulv_control(smu, true);
1736 			smu_gpo_control(smu, true);
1737 		}
1738 	}
1739 
1740 	return 0;
1741 }
1742 
1743 static int smu_bump_power_profile_mode(struct smu_context *smu,
1744 					   long *param,
1745 					   uint32_t param_size)
1746 {
1747 	int ret = 0;
1748 
1749 	if (smu->ppt_funcs->set_power_profile_mode)
1750 		ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
1751 
1752 	return ret;
1753 }
1754 
1755 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
1756 				   enum amd_dpm_forced_level level,
1757 				   bool skip_display_settings)
1758 {
1759 	int ret = 0;
1760 	int index = 0;
1761 	long workload;
1762 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1763 
1764 	if (!skip_display_settings) {
1765 		ret = smu_display_config_changed(smu);
1766 		if (ret) {
1767 			dev_err(smu->adev->dev, "Failed to change display config!");
1768 			return ret;
1769 		}
1770 	}
1771 
1772 	ret = smu_apply_clocks_adjust_rules(smu);
1773 	if (ret) {
1774 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
1775 		return ret;
1776 	}
1777 
1778 	if (!skip_display_settings) {
1779 		ret = smu_notify_smc_display_config(smu);
1780 		if (ret) {
1781 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
1782 			return ret;
1783 		}
1784 	}
1785 
1786 	if (smu_dpm_ctx->dpm_level != level) {
1787 		ret = smu_asic_set_performance_level(smu, level);
1788 		if (ret) {
1789 			dev_err(smu->adev->dev, "Failed to set performance level!");
1790 			return ret;
1791 		}
1792 
1793 		/* update the saved copy */
1794 		smu_dpm_ctx->dpm_level = level;
1795 	}
1796 
1797 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1798 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
1799 		index = fls(smu->workload_mask);
1800 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1801 		workload = smu->workload_setting[index];
1802 
1803 		if (smu->power_profile_mode != workload)
1804 			smu_bump_power_profile_mode(smu, &workload, 0);
1805 	}
1806 
1807 	return ret;
1808 }
1809 
1810 static int smu_handle_task(struct smu_context *smu,
1811 			   enum amd_dpm_forced_level level,
1812 			   enum amd_pp_task task_id)
1813 {
1814 	int ret = 0;
1815 
1816 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1817 		return -EOPNOTSUPP;
1818 
1819 	switch (task_id) {
1820 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
1821 		ret = smu_pre_display_config_changed(smu);
1822 		if (ret)
1823 			return ret;
1824 		ret = smu_adjust_power_state_dynamic(smu, level, false);
1825 		break;
1826 	case AMD_PP_TASK_COMPLETE_INIT:
1827 	case AMD_PP_TASK_READJUST_POWER_STATE:
1828 		ret = smu_adjust_power_state_dynamic(smu, level, true);
1829 		break;
1830 	default:
1831 		break;
1832 	}
1833 
1834 	return ret;
1835 }
1836 
1837 static int smu_handle_dpm_task(void *handle,
1838 			       enum amd_pp_task task_id,
1839 			       enum amd_pm_state_type *user_state)
1840 {
1841 	struct smu_context *smu = handle;
1842 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
1843 
1844 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
1845 
1846 }
1847 
1848 static int smu_switch_power_profile(void *handle,
1849 				    enum PP_SMC_POWER_PROFILE type,
1850 				    bool en)
1851 {
1852 	struct smu_context *smu = handle;
1853 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1854 	long workload;
1855 	uint32_t index;
1856 
1857 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1858 		return -EOPNOTSUPP;
1859 
1860 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
1861 		return -EINVAL;
1862 
1863 	if (!en) {
1864 		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
1865 		index = fls(smu->workload_mask);
1866 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1867 		workload = smu->workload_setting[index];
1868 	} else {
1869 		smu->workload_mask |= (1 << smu->workload_prority[type]);
1870 		index = fls(smu->workload_mask);
1871 		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1872 		workload = smu->workload_setting[index];
1873 	}
1874 
1875 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1876 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
1877 		smu_bump_power_profile_mode(smu, &workload, 0);
1878 
1879 	return 0;
1880 }
1881 
1882 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
1883 {
1884 	struct smu_context *smu = handle;
1885 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1886 
1887 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1888 		return -EOPNOTSUPP;
1889 
1890 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1891 		return -EINVAL;
1892 
1893 	return smu_dpm_ctx->dpm_level;
1894 }
1895 
1896 static int smu_force_performance_level(void *handle,
1897 				       enum amd_dpm_forced_level level)
1898 {
1899 	struct smu_context *smu = handle;
1900 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1901 	int ret = 0;
1902 
1903 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1904 		return -EOPNOTSUPP;
1905 
1906 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1907 		return -EINVAL;
1908 
1909 	ret = smu_enable_umd_pstate(smu, &level);
1910 	if (ret)
1911 		return ret;
1912 
1913 	ret = smu_handle_task(smu, level,
1914 			      AMD_PP_TASK_READJUST_POWER_STATE);
1915 
1916 	/* reset user dpm clock state */
1917 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
1918 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
1919 		smu->user_dpm_profile.clk_dependency = 0;
1920 	}
1921 
1922 	return ret;
1923 }
1924 
1925 static int smu_set_display_count(void *handle, uint32_t count)
1926 {
1927 	struct smu_context *smu = handle;
1928 
1929 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1930 		return -EOPNOTSUPP;
1931 
1932 	return smu_init_display_count(smu, count);
1933 }
1934 
1935 static int smu_force_smuclk_levels(struct smu_context *smu,
1936 			 enum smu_clk_type clk_type,
1937 			 uint32_t mask)
1938 {
1939 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1940 	int ret = 0;
1941 
1942 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1943 		return -EOPNOTSUPP;
1944 
1945 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
1946 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
1947 		return -EINVAL;
1948 	}
1949 
1950 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
1951 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
1952 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
1953 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
1954 			smu_set_user_clk_dependencies(smu, clk_type);
1955 		}
1956 	}
1957 
1958 	return ret;
1959 }
1960 
1961 static int smu_force_ppclk_levels(void *handle,
1962 				  enum pp_clock_type type,
1963 				  uint32_t mask)
1964 {
1965 	struct smu_context *smu = handle;
1966 	enum smu_clk_type clk_type;
1967 
1968 	switch (type) {
1969 	case PP_SCLK:
1970 		clk_type = SMU_SCLK; break;
1971 	case PP_MCLK:
1972 		clk_type = SMU_MCLK; break;
1973 	case PP_PCIE:
1974 		clk_type = SMU_PCIE; break;
1975 	case PP_SOCCLK:
1976 		clk_type = SMU_SOCCLK; break;
1977 	case PP_FCLK:
1978 		clk_type = SMU_FCLK; break;
1979 	case PP_DCEFCLK:
1980 		clk_type = SMU_DCEFCLK; break;
1981 	case PP_VCLK:
1982 		clk_type = SMU_VCLK; break;
1983 	case PP_DCLK:
1984 		clk_type = SMU_DCLK; break;
1985 	case OD_SCLK:
1986 		clk_type = SMU_OD_SCLK; break;
1987 	case OD_MCLK:
1988 		clk_type = SMU_OD_MCLK; break;
1989 	case OD_VDDC_CURVE:
1990 		clk_type = SMU_OD_VDDC_CURVE; break;
1991 	case OD_RANGE:
1992 		clk_type = SMU_OD_RANGE; break;
1993 	default:
1994 		return -EINVAL;
1995 	}
1996 
1997 	return smu_force_smuclk_levels(smu, clk_type, mask);
1998 }
1999 
2000 /*
2001  * On system suspending or resetting, the dpm_enabled
2002  * flag will be cleared. So that those SMU services which
2003  * are not supported will be gated.
2004  * However, the mp1 state setting should still be granted
2005  * even if the dpm_enabled cleared.
2006  */
2007 static int smu_set_mp1_state(void *handle,
2008 			     enum pp_mp1_state mp1_state)
2009 {
2010 	struct smu_context *smu = handle;
2011 	int ret = 0;
2012 
2013 	if (!smu->pm_enabled)
2014 		return -EOPNOTSUPP;
2015 
2016 	if (smu->ppt_funcs &&
2017 	    smu->ppt_funcs->set_mp1_state)
2018 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2019 
2020 	return ret;
2021 }
2022 
2023 static int smu_set_df_cstate(void *handle,
2024 			     enum pp_df_cstate state)
2025 {
2026 	struct smu_context *smu = handle;
2027 	int ret = 0;
2028 
2029 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2030 		return -EOPNOTSUPP;
2031 
2032 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2033 		return 0;
2034 
2035 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2036 	if (ret)
2037 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2038 
2039 	return ret;
2040 }
2041 
2042 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
2043 {
2044 	int ret = 0;
2045 
2046 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2047 		return -EOPNOTSUPP;
2048 
2049 	if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
2050 		return 0;
2051 
2052 	ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
2053 	if (ret)
2054 		dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n");
2055 
2056 	return ret;
2057 }
2058 
2059 int smu_write_watermarks_table(struct smu_context *smu)
2060 {
2061 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2062 		return -EOPNOTSUPP;
2063 
2064 	return smu_set_watermarks_table(smu, NULL);
2065 }
2066 
2067 static int smu_set_watermarks_for_clock_ranges(void *handle,
2068 					       struct pp_smu_wm_range_sets *clock_ranges)
2069 {
2070 	struct smu_context *smu = handle;
2071 
2072 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2073 		return -EOPNOTSUPP;
2074 
2075 	if (smu->disable_watermark)
2076 		return 0;
2077 
2078 	return smu_set_watermarks_table(smu, clock_ranges);
2079 }
2080 
2081 int smu_set_ac_dc(struct smu_context *smu)
2082 {
2083 	int ret = 0;
2084 
2085 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2086 		return -EOPNOTSUPP;
2087 
2088 	/* controlled by firmware */
2089 	if (smu->dc_controlled_by_gpio)
2090 		return 0;
2091 
2092 	ret = smu_set_power_source(smu,
2093 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2094 				   SMU_POWER_SOURCE_DC);
2095 	if (ret)
2096 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2097 		       smu->adev->pm.ac_power ? "AC" : "DC");
2098 
2099 	return ret;
2100 }
2101 
2102 const struct amd_ip_funcs smu_ip_funcs = {
2103 	.name = "smu",
2104 	.early_init = smu_early_init,
2105 	.late_init = smu_late_init,
2106 	.sw_init = smu_sw_init,
2107 	.sw_fini = smu_sw_fini,
2108 	.hw_init = smu_hw_init,
2109 	.hw_fini = smu_hw_fini,
2110 	.late_fini = smu_late_fini,
2111 	.suspend = smu_suspend,
2112 	.resume = smu_resume,
2113 	.is_idle = NULL,
2114 	.check_soft_reset = NULL,
2115 	.wait_for_idle = NULL,
2116 	.soft_reset = NULL,
2117 	.set_clockgating_state = smu_set_clockgating_state,
2118 	.set_powergating_state = smu_set_powergating_state,
2119 };
2120 
2121 const struct amdgpu_ip_block_version smu_v11_0_ip_block =
2122 {
2123 	.type = AMD_IP_BLOCK_TYPE_SMC,
2124 	.major = 11,
2125 	.minor = 0,
2126 	.rev = 0,
2127 	.funcs = &smu_ip_funcs,
2128 };
2129 
2130 const struct amdgpu_ip_block_version smu_v12_0_ip_block =
2131 {
2132 	.type = AMD_IP_BLOCK_TYPE_SMC,
2133 	.major = 12,
2134 	.minor = 0,
2135 	.rev = 0,
2136 	.funcs = &smu_ip_funcs,
2137 };
2138 
2139 const struct amdgpu_ip_block_version smu_v13_0_ip_block =
2140 {
2141 	.type = AMD_IP_BLOCK_TYPE_SMC,
2142 	.major = 13,
2143 	.minor = 0,
2144 	.rev = 0,
2145 	.funcs = &smu_ip_funcs,
2146 };
2147 
2148 static int smu_load_microcode(void *handle)
2149 {
2150 	struct smu_context *smu = handle;
2151 	struct amdgpu_device *adev = smu->adev;
2152 	int ret = 0;
2153 
2154 	if (!smu->pm_enabled)
2155 		return -EOPNOTSUPP;
2156 
2157 	/* This should be used for non PSP loading */
2158 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2159 		return 0;
2160 
2161 	if (smu->ppt_funcs->load_microcode) {
2162 		ret = smu->ppt_funcs->load_microcode(smu);
2163 		if (ret) {
2164 			dev_err(adev->dev, "Load microcode failed\n");
2165 			return ret;
2166 		}
2167 	}
2168 
2169 	if (smu->ppt_funcs->check_fw_status) {
2170 		ret = smu->ppt_funcs->check_fw_status(smu);
2171 		if (ret) {
2172 			dev_err(adev->dev, "SMC is not ready\n");
2173 			return ret;
2174 		}
2175 	}
2176 
2177 	return ret;
2178 }
2179 
2180 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2181 {
2182 	int ret = 0;
2183 
2184 	if (smu->ppt_funcs->set_gfx_cgpg)
2185 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2186 
2187 	return ret;
2188 }
2189 
2190 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2191 {
2192 	struct smu_context *smu = handle;
2193 	int ret = 0;
2194 
2195 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2196 		return -EOPNOTSUPP;
2197 
2198 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2199 		return -EOPNOTSUPP;
2200 
2201 	if (speed == U32_MAX)
2202 		return -EINVAL;
2203 
2204 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2205 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2206 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2207 		smu->user_dpm_profile.fan_speed_rpm = speed;
2208 
2209 		/* Override custom PWM setting as they cannot co-exist */
2210 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2211 		smu->user_dpm_profile.fan_speed_pwm = 0;
2212 	}
2213 
2214 	return ret;
2215 }
2216 
2217 /**
2218  * smu_get_power_limit - Request one of the SMU Power Limits
2219  *
2220  * @handle: pointer to smu context
2221  * @limit: requested limit is written back to this variable
2222  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2223  * @pp_power_type: &pp_power_type type of power
2224  * Return:  0 on success, <0 on error
2225  *
2226  */
2227 int smu_get_power_limit(void *handle,
2228 			uint32_t *limit,
2229 			enum pp_power_limit_level pp_limit_level,
2230 			enum pp_power_type pp_power_type)
2231 {
2232 	struct smu_context *smu = handle;
2233 	struct amdgpu_device *adev = smu->adev;
2234 	enum smu_ppt_limit_level limit_level;
2235 	uint32_t limit_type;
2236 	int ret = 0;
2237 
2238 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2239 		return -EOPNOTSUPP;
2240 
2241 	switch(pp_power_type) {
2242 	case PP_PWR_TYPE_SUSTAINED:
2243 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2244 		break;
2245 	case PP_PWR_TYPE_FAST:
2246 		limit_type = SMU_FAST_PPT_LIMIT;
2247 		break;
2248 	default:
2249 		return -EOPNOTSUPP;
2250 		break;
2251 	}
2252 
2253 	switch(pp_limit_level){
2254 	case PP_PWR_LIMIT_CURRENT:
2255 		limit_level = SMU_PPT_LIMIT_CURRENT;
2256 		break;
2257 	case PP_PWR_LIMIT_DEFAULT:
2258 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2259 		break;
2260 	case PP_PWR_LIMIT_MAX:
2261 		limit_level = SMU_PPT_LIMIT_MAX;
2262 		break;
2263 	case PP_PWR_LIMIT_MIN:
2264 	default:
2265 		return -EOPNOTSUPP;
2266 		break;
2267 	}
2268 
2269 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2270 		if (smu->ppt_funcs->get_ppt_limit)
2271 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2272 	} else {
2273 		switch (limit_level) {
2274 		case SMU_PPT_LIMIT_CURRENT:
2275 			switch (adev->ip_versions[MP1_HWIP][0]) {
2276 			case IP_VERSION(13, 0, 2):
2277 			case IP_VERSION(11, 0, 7):
2278 			case IP_VERSION(11, 0, 11):
2279 			case IP_VERSION(11, 0, 12):
2280 			case IP_VERSION(11, 0, 13):
2281 				ret = smu_get_asic_power_limits(smu,
2282 								&smu->current_power_limit,
2283 								NULL,
2284 								NULL);
2285 				break;
2286 			default:
2287 				break;
2288 			}
2289 			*limit = smu->current_power_limit;
2290 			break;
2291 		case SMU_PPT_LIMIT_DEFAULT:
2292 			*limit = smu->default_power_limit;
2293 			break;
2294 		case SMU_PPT_LIMIT_MAX:
2295 			*limit = smu->max_power_limit;
2296 			break;
2297 		default:
2298 			break;
2299 		}
2300 	}
2301 
2302 	return ret;
2303 }
2304 
2305 static int smu_set_power_limit(void *handle, uint32_t limit)
2306 {
2307 	struct smu_context *smu = handle;
2308 	uint32_t limit_type = limit >> 24;
2309 	int ret = 0;
2310 
2311 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2312 		return -EOPNOTSUPP;
2313 
2314 	limit &= (1<<24)-1;
2315 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2316 		if (smu->ppt_funcs->set_power_limit)
2317 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2318 
2319 	if (limit > smu->max_power_limit) {
2320 		dev_err(smu->adev->dev,
2321 			"New power limit (%d) is over the max allowed %d\n",
2322 			limit, smu->max_power_limit);
2323 		return -EINVAL;
2324 	}
2325 
2326 	if (!limit)
2327 		limit = smu->current_power_limit;
2328 
2329 	if (smu->ppt_funcs->set_power_limit) {
2330 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2331 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2332 			smu->user_dpm_profile.power_limit = limit;
2333 	}
2334 
2335 	return ret;
2336 }
2337 
2338 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2339 {
2340 	int ret = 0;
2341 
2342 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2343 		return -EOPNOTSUPP;
2344 
2345 	if (smu->ppt_funcs->print_clk_levels)
2346 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2347 
2348 	return ret;
2349 }
2350 
2351 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2352 {
2353 	enum smu_clk_type clk_type;
2354 
2355 	switch (type) {
2356 	case PP_SCLK:
2357 		clk_type = SMU_SCLK; break;
2358 	case PP_MCLK:
2359 		clk_type = SMU_MCLK; break;
2360 	case PP_PCIE:
2361 		clk_type = SMU_PCIE; break;
2362 	case PP_SOCCLK:
2363 		clk_type = SMU_SOCCLK; break;
2364 	case PP_FCLK:
2365 		clk_type = SMU_FCLK; break;
2366 	case PP_DCEFCLK:
2367 		clk_type = SMU_DCEFCLK; break;
2368 	case PP_VCLK:
2369 		clk_type = SMU_VCLK; break;
2370 	case PP_DCLK:
2371 		clk_type = SMU_DCLK; break;
2372 	case OD_SCLK:
2373 		clk_type = SMU_OD_SCLK; break;
2374 	case OD_MCLK:
2375 		clk_type = SMU_OD_MCLK; break;
2376 	case OD_VDDC_CURVE:
2377 		clk_type = SMU_OD_VDDC_CURVE; break;
2378 	case OD_RANGE:
2379 		clk_type = SMU_OD_RANGE; break;
2380 	case OD_VDDGFX_OFFSET:
2381 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2382 	case OD_CCLK:
2383 		clk_type = SMU_OD_CCLK; break;
2384 	default:
2385 		clk_type = SMU_CLK_COUNT; break;
2386 	}
2387 
2388 	return clk_type;
2389 }
2390 
2391 static int smu_print_ppclk_levels(void *handle,
2392 				  enum pp_clock_type type,
2393 				  char *buf)
2394 {
2395 	struct smu_context *smu = handle;
2396 	enum smu_clk_type clk_type;
2397 
2398 	clk_type = smu_convert_to_smuclk(type);
2399 	if (clk_type == SMU_CLK_COUNT)
2400 		return -EINVAL;
2401 
2402 	return smu_print_smuclk_levels(smu, clk_type, buf);
2403 }
2404 
2405 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2406 {
2407 	struct smu_context *smu = handle;
2408 	enum smu_clk_type clk_type;
2409 
2410 	clk_type = smu_convert_to_smuclk(type);
2411 	if (clk_type == SMU_CLK_COUNT)
2412 		return -EINVAL;
2413 
2414 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2415 		return -EOPNOTSUPP;
2416 
2417 	if (!smu->ppt_funcs->emit_clk_levels)
2418 		return -ENOENT;
2419 
2420 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2421 
2422 }
2423 
2424 static int smu_od_edit_dpm_table(void *handle,
2425 				 enum PP_OD_DPM_TABLE_COMMAND type,
2426 				 long *input, uint32_t size)
2427 {
2428 	struct smu_context *smu = handle;
2429 	int ret = 0;
2430 
2431 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2432 		return -EOPNOTSUPP;
2433 
2434 	if (smu->ppt_funcs->od_edit_dpm_table) {
2435 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2436 	}
2437 
2438 	return ret;
2439 }
2440 
2441 static int smu_read_sensor(void *handle,
2442 			   int sensor,
2443 			   void *data,
2444 			   int *size_arg)
2445 {
2446 	struct smu_context *smu = handle;
2447 	struct smu_umd_pstate_table *pstate_table =
2448 				&smu->pstate_table;
2449 	int ret = 0;
2450 	uint32_t *size, size_val;
2451 
2452 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2453 		return -EOPNOTSUPP;
2454 
2455 	if (!data || !size_arg)
2456 		return -EINVAL;
2457 
2458 	size_val = *size_arg;
2459 	size = &size_val;
2460 
2461 	if (smu->ppt_funcs->read_sensor)
2462 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2463 			goto unlock;
2464 
2465 	switch (sensor) {
2466 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2467 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2468 		*size = 4;
2469 		break;
2470 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2471 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2472 		*size = 4;
2473 		break;
2474 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2475 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2476 		*size = 8;
2477 		break;
2478 	case AMDGPU_PP_SENSOR_UVD_POWER:
2479 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2480 		*size = 4;
2481 		break;
2482 	case AMDGPU_PP_SENSOR_VCE_POWER:
2483 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2484 		*size = 4;
2485 		break;
2486 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2487 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1;
2488 		*size = 4;
2489 		break;
2490 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2491 		*(uint32_t *)data = 0;
2492 		*size = 4;
2493 		break;
2494 	default:
2495 		*size = 0;
2496 		ret = -EOPNOTSUPP;
2497 		break;
2498 	}
2499 
2500 unlock:
2501 	// assign uint32_t to int
2502 	*size_arg = size_val;
2503 
2504 	return ret;
2505 }
2506 
2507 static int smu_get_power_profile_mode(void *handle, char *buf)
2508 {
2509 	struct smu_context *smu = handle;
2510 
2511 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2512 	    !smu->ppt_funcs->get_power_profile_mode)
2513 		return -EOPNOTSUPP;
2514 	if (!buf)
2515 		return -EINVAL;
2516 
2517 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
2518 }
2519 
2520 static int smu_set_power_profile_mode(void *handle,
2521 				      long *param,
2522 				      uint32_t param_size)
2523 {
2524 	struct smu_context *smu = handle;
2525 
2526 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2527 	    !smu->ppt_funcs->set_power_profile_mode)
2528 		return -EOPNOTSUPP;
2529 
2530 	return smu_bump_power_profile_mode(smu, param, param_size);
2531 }
2532 
2533 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
2534 {
2535 	struct smu_context *smu = handle;
2536 
2537 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2538 		return -EOPNOTSUPP;
2539 
2540 	if (!smu->ppt_funcs->get_fan_control_mode)
2541 		return -EOPNOTSUPP;
2542 
2543 	if (!fan_mode)
2544 		return -EINVAL;
2545 
2546 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
2547 
2548 	return 0;
2549 }
2550 
2551 static int smu_set_fan_control_mode(void *handle, u32 value)
2552 {
2553 	struct smu_context *smu = handle;
2554 	int ret = 0;
2555 
2556 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2557 		return -EOPNOTSUPP;
2558 
2559 	if (!smu->ppt_funcs->set_fan_control_mode)
2560 		return -EOPNOTSUPP;
2561 
2562 	if (value == U32_MAX)
2563 		return -EINVAL;
2564 
2565 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
2566 	if (ret)
2567 		goto out;
2568 
2569 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2570 		smu->user_dpm_profile.fan_mode = value;
2571 
2572 		/* reset user dpm fan speed */
2573 		if (value != AMD_FAN_CTRL_MANUAL) {
2574 			smu->user_dpm_profile.fan_speed_pwm = 0;
2575 			smu->user_dpm_profile.fan_speed_rpm = 0;
2576 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
2577 		}
2578 	}
2579 
2580 out:
2581 	return ret;
2582 }
2583 
2584 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
2585 {
2586 	struct smu_context *smu = handle;
2587 	int ret = 0;
2588 
2589 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2590 		return -EOPNOTSUPP;
2591 
2592 	if (!smu->ppt_funcs->get_fan_speed_pwm)
2593 		return -EOPNOTSUPP;
2594 
2595 	if (!speed)
2596 		return -EINVAL;
2597 
2598 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
2599 
2600 	return ret;
2601 }
2602 
2603 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
2604 {
2605 	struct smu_context *smu = handle;
2606 	int ret = 0;
2607 
2608 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2609 		return -EOPNOTSUPP;
2610 
2611 	if (!smu->ppt_funcs->set_fan_speed_pwm)
2612 		return -EOPNOTSUPP;
2613 
2614 	if (speed == U32_MAX)
2615 		return -EINVAL;
2616 
2617 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
2618 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2619 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
2620 		smu->user_dpm_profile.fan_speed_pwm = speed;
2621 
2622 		/* Override custom RPM setting as they cannot co-exist */
2623 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
2624 		smu->user_dpm_profile.fan_speed_rpm = 0;
2625 	}
2626 
2627 	return ret;
2628 }
2629 
2630 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
2631 {
2632 	struct smu_context *smu = handle;
2633 	int ret = 0;
2634 
2635 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2636 		return -EOPNOTSUPP;
2637 
2638 	if (!smu->ppt_funcs->get_fan_speed_rpm)
2639 		return -EOPNOTSUPP;
2640 
2641 	if (!speed)
2642 		return -EINVAL;
2643 
2644 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
2645 
2646 	return ret;
2647 }
2648 
2649 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
2650 {
2651 	struct smu_context *smu = handle;
2652 
2653 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2654 		return -EOPNOTSUPP;
2655 
2656 	return smu_set_min_dcef_deep_sleep(smu, clk);
2657 }
2658 
2659 static int smu_get_clock_by_type_with_latency(void *handle,
2660 					      enum amd_pp_clock_type type,
2661 					      struct pp_clock_levels_with_latency *clocks)
2662 {
2663 	struct smu_context *smu = handle;
2664 	enum smu_clk_type clk_type;
2665 	int ret = 0;
2666 
2667 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2668 		return -EOPNOTSUPP;
2669 
2670 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
2671 		switch (type) {
2672 		case amd_pp_sys_clock:
2673 			clk_type = SMU_GFXCLK;
2674 			break;
2675 		case amd_pp_mem_clock:
2676 			clk_type = SMU_MCLK;
2677 			break;
2678 		case amd_pp_dcef_clock:
2679 			clk_type = SMU_DCEFCLK;
2680 			break;
2681 		case amd_pp_disp_clock:
2682 			clk_type = SMU_DISPCLK;
2683 			break;
2684 		default:
2685 			dev_err(smu->adev->dev, "Invalid clock type!\n");
2686 			return -EINVAL;
2687 		}
2688 
2689 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
2690 	}
2691 
2692 	return ret;
2693 }
2694 
2695 static int smu_display_clock_voltage_request(void *handle,
2696 					     struct pp_display_clock_request *clock_req)
2697 {
2698 	struct smu_context *smu = handle;
2699 	int ret = 0;
2700 
2701 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2702 		return -EOPNOTSUPP;
2703 
2704 	if (smu->ppt_funcs->display_clock_voltage_request)
2705 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
2706 
2707 	return ret;
2708 }
2709 
2710 
2711 static int smu_display_disable_memory_clock_switch(void *handle,
2712 						   bool disable_memory_clock_switch)
2713 {
2714 	struct smu_context *smu = handle;
2715 	int ret = -EINVAL;
2716 
2717 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2718 		return -EOPNOTSUPP;
2719 
2720 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
2721 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
2722 
2723 	return ret;
2724 }
2725 
2726 static int smu_set_xgmi_pstate(void *handle,
2727 			       uint32_t pstate)
2728 {
2729 	struct smu_context *smu = handle;
2730 	int ret = 0;
2731 
2732 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2733 		return -EOPNOTSUPP;
2734 
2735 	if (smu->ppt_funcs->set_xgmi_pstate)
2736 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
2737 
2738 	if(ret)
2739 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
2740 
2741 	return ret;
2742 }
2743 
2744 static int smu_get_baco_capability(void *handle, bool *cap)
2745 {
2746 	struct smu_context *smu = handle;
2747 
2748 	*cap = false;
2749 
2750 	if (!smu->pm_enabled)
2751 		return 0;
2752 
2753 	if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
2754 		*cap = smu->ppt_funcs->baco_is_support(smu);
2755 
2756 	return 0;
2757 }
2758 
2759 static int smu_baco_set_state(void *handle, int state)
2760 {
2761 	struct smu_context *smu = handle;
2762 	int ret = 0;
2763 
2764 	if (!smu->pm_enabled)
2765 		return -EOPNOTSUPP;
2766 
2767 	if (state == 0) {
2768 		if (smu->ppt_funcs->baco_exit)
2769 			ret = smu->ppt_funcs->baco_exit(smu);
2770 	} else if (state == 1) {
2771 		if (smu->ppt_funcs->baco_enter)
2772 			ret = smu->ppt_funcs->baco_enter(smu);
2773 	} else {
2774 		return -EINVAL;
2775 	}
2776 
2777 	if (ret)
2778 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
2779 				(state)?"enter":"exit");
2780 
2781 	return ret;
2782 }
2783 
2784 bool smu_mode1_reset_is_support(struct smu_context *smu)
2785 {
2786 	bool ret = false;
2787 
2788 	if (!smu->pm_enabled)
2789 		return false;
2790 
2791 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
2792 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
2793 
2794 	return ret;
2795 }
2796 
2797 bool smu_mode2_reset_is_support(struct smu_context *smu)
2798 {
2799 	bool ret = false;
2800 
2801 	if (!smu->pm_enabled)
2802 		return false;
2803 
2804 	if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
2805 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
2806 
2807 	return ret;
2808 }
2809 
2810 int smu_mode1_reset(struct smu_context *smu)
2811 {
2812 	int ret = 0;
2813 
2814 	if (!smu->pm_enabled)
2815 		return -EOPNOTSUPP;
2816 
2817 	if (smu->ppt_funcs->mode1_reset)
2818 		ret = smu->ppt_funcs->mode1_reset(smu);
2819 
2820 	return ret;
2821 }
2822 
2823 static int smu_mode2_reset(void *handle)
2824 {
2825 	struct smu_context *smu = handle;
2826 	int ret = 0;
2827 
2828 	if (!smu->pm_enabled)
2829 		return -EOPNOTSUPP;
2830 
2831 	if (smu->ppt_funcs->mode2_reset)
2832 		ret = smu->ppt_funcs->mode2_reset(smu);
2833 
2834 	if (ret)
2835 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
2836 
2837 	return ret;
2838 }
2839 
2840 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
2841 						struct pp_smu_nv_clock_table *max_clocks)
2842 {
2843 	struct smu_context *smu = handle;
2844 	int ret = 0;
2845 
2846 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2847 		return -EOPNOTSUPP;
2848 
2849 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
2850 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
2851 
2852 	return ret;
2853 }
2854 
2855 static int smu_get_uclk_dpm_states(void *handle,
2856 				   unsigned int *clock_values_in_khz,
2857 				   unsigned int *num_states)
2858 {
2859 	struct smu_context *smu = handle;
2860 	int ret = 0;
2861 
2862 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2863 		return -EOPNOTSUPP;
2864 
2865 	if (smu->ppt_funcs->get_uclk_dpm_states)
2866 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
2867 
2868 	return ret;
2869 }
2870 
2871 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
2872 {
2873 	struct smu_context *smu = handle;
2874 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
2875 
2876 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2877 		return -EOPNOTSUPP;
2878 
2879 	if (smu->ppt_funcs->get_current_power_state)
2880 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
2881 
2882 	return pm_state;
2883 }
2884 
2885 static int smu_get_dpm_clock_table(void *handle,
2886 				   struct dpm_clocks *clock_table)
2887 {
2888 	struct smu_context *smu = handle;
2889 	int ret = 0;
2890 
2891 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2892 		return -EOPNOTSUPP;
2893 
2894 	if (smu->ppt_funcs->get_dpm_clock_table)
2895 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
2896 
2897 	return ret;
2898 }
2899 
2900 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
2901 {
2902 	struct smu_context *smu = handle;
2903 
2904 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2905 		return -EOPNOTSUPP;
2906 
2907 	if (!smu->ppt_funcs->get_gpu_metrics)
2908 		return -EOPNOTSUPP;
2909 
2910 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
2911 }
2912 
2913 static int smu_enable_mgpu_fan_boost(void *handle)
2914 {
2915 	struct smu_context *smu = handle;
2916 	int ret = 0;
2917 
2918 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2919 		return -EOPNOTSUPP;
2920 
2921 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
2922 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
2923 
2924 	return ret;
2925 }
2926 
2927 static int smu_gfx_state_change_set(void *handle,
2928 				    uint32_t state)
2929 {
2930 	struct smu_context *smu = handle;
2931 	int ret = 0;
2932 
2933 	if (smu->ppt_funcs->gfx_state_change_set)
2934 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
2935 
2936 	return ret;
2937 }
2938 
2939 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
2940 {
2941 	int ret = 0;
2942 
2943 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
2944 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
2945 
2946 	return ret;
2947 }
2948 
2949 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
2950 {
2951 	int ret = -EOPNOTSUPP;
2952 
2953 	if (smu->ppt_funcs &&
2954 		smu->ppt_funcs->get_ecc_info)
2955 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
2956 
2957 	return ret;
2958 
2959 }
2960 
2961 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
2962 {
2963 	struct smu_context *smu = handle;
2964 	struct smu_table_context *smu_table = &smu->smu_table;
2965 	struct smu_table *memory_pool = &smu_table->memory_pool;
2966 
2967 	if (!addr || !size)
2968 		return -EINVAL;
2969 
2970 	*addr = NULL;
2971 	*size = 0;
2972 	if (memory_pool->bo) {
2973 		*addr = memory_pool->cpu_addr;
2974 		*size = memory_pool->size;
2975 	}
2976 
2977 	return 0;
2978 }
2979 
2980 static const struct amd_pm_funcs swsmu_pm_funcs = {
2981 	/* export for sysfs */
2982 	.set_fan_control_mode    = smu_set_fan_control_mode,
2983 	.get_fan_control_mode    = smu_get_fan_control_mode,
2984 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
2985 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
2986 	.force_clock_level       = smu_force_ppclk_levels,
2987 	.print_clock_levels      = smu_print_ppclk_levels,
2988 	.emit_clock_levels       = smu_emit_ppclk_levels,
2989 	.force_performance_level = smu_force_performance_level,
2990 	.read_sensor             = smu_read_sensor,
2991 	.get_performance_level   = smu_get_performance_level,
2992 	.get_current_power_state = smu_get_current_power_state,
2993 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
2994 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
2995 	.get_pp_num_states       = smu_get_power_num_states,
2996 	.get_pp_table            = smu_sys_get_pp_table,
2997 	.set_pp_table            = smu_sys_set_pp_table,
2998 	.switch_power_profile    = smu_switch_power_profile,
2999 	/* export to amdgpu */
3000 	.dispatch_tasks          = smu_handle_dpm_task,
3001 	.load_firmware           = smu_load_microcode,
3002 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3003 	.set_power_limit         = smu_set_power_limit,
3004 	.get_power_limit         = smu_get_power_limit,
3005 	.get_power_profile_mode  = smu_get_power_profile_mode,
3006 	.set_power_profile_mode  = smu_set_power_profile_mode,
3007 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3008 	.set_mp1_state           = smu_set_mp1_state,
3009 	.gfx_state_change_set    = smu_gfx_state_change_set,
3010 	/* export to DC */
3011 	.get_sclk                         = smu_get_sclk,
3012 	.get_mclk                         = smu_get_mclk,
3013 	.display_configuration_change     = smu_display_configuration_change,
3014 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3015 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3016 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3017 	.set_active_display_count         = smu_set_display_count,
3018 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3019 	.get_asic_baco_capability         = smu_get_baco_capability,
3020 	.set_asic_baco_state              = smu_baco_set_state,
3021 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3022 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3023 	.asic_reset_mode_2                = smu_mode2_reset,
3024 	.set_df_cstate                    = smu_set_df_cstate,
3025 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3026 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3027 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3028 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3029 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3030 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3031 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3032 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3033 };
3034 
3035 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3036 		       uint64_t event_arg)
3037 {
3038 	int ret = -EINVAL;
3039 
3040 	if (smu->ppt_funcs->wait_for_event)
3041 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3042 
3043 	return ret;
3044 }
3045 
3046 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3047 {
3048 
3049 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3050 		return -EOPNOTSUPP;
3051 
3052 	/* Confirm the buffer allocated is of correct size */
3053 	if (size != smu->stb_context.stb_buf_size)
3054 		return -EINVAL;
3055 
3056 	/*
3057 	 * No need to lock smu mutex as we access STB directly through MMIO
3058 	 * and not going through SMU messaging route (for now at least).
3059 	 * For registers access rely on implementation internal locking.
3060 	 */
3061 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3062 }
3063 
3064 #if defined(CONFIG_DEBUG_FS)
3065 
3066 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3067 {
3068 	struct amdgpu_device *adev = filp->f_inode->i_private;
3069 	struct smu_context *smu = adev->powerplay.pp_handle;
3070 	unsigned char *buf;
3071 	int r;
3072 
3073 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3074 	if (!buf)
3075 		return -ENOMEM;
3076 
3077 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3078 	if (r)
3079 		goto out;
3080 
3081 	filp->private_data = buf;
3082 
3083 	return 0;
3084 
3085 out:
3086 	kvfree(buf);
3087 	return r;
3088 }
3089 
3090 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3091 				loff_t *pos)
3092 {
3093 	struct amdgpu_device *adev = filp->f_inode->i_private;
3094 	struct smu_context *smu = adev->powerplay.pp_handle;
3095 
3096 
3097 	if (!filp->private_data)
3098 		return -EINVAL;
3099 
3100 	return simple_read_from_buffer(buf,
3101 				       size,
3102 				       pos, filp->private_data,
3103 				       smu->stb_context.stb_buf_size);
3104 }
3105 
3106 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3107 {
3108 	kvfree(filp->private_data);
3109 	filp->private_data = NULL;
3110 
3111 	return 0;
3112 }
3113 
3114 /*
3115  * We have to define not only read method but also
3116  * open and release because .read takes up to PAGE_SIZE
3117  * data each time so and so is invoked multiple times.
3118  *  We allocate the STB buffer in .open and release it
3119  *  in .release
3120  */
3121 static const struct file_operations smu_stb_debugfs_fops = {
3122 	.owner = THIS_MODULE,
3123 	.open = smu_stb_debugfs_open,
3124 	.read = smu_stb_debugfs_read,
3125 	.release = smu_stb_debugfs_release,
3126 	.llseek = default_llseek,
3127 };
3128 
3129 #endif
3130 
3131 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3132 {
3133 #if defined(CONFIG_DEBUG_FS)
3134 
3135 	struct smu_context *smu = adev->powerplay.pp_handle;
3136 
3137 	if (!smu || (!smu->stb_context.stb_buf_size))
3138 		return;
3139 
3140 	debugfs_create_file_size("amdgpu_smu_stb_dump",
3141 			    S_IRUSR,
3142 			    adev_to_drm(adev)->primary->debugfs_root,
3143 			    adev,
3144 			    &smu_stb_debugfs_fops,
3145 			    smu->stb_context.stb_buf_size);
3146 #endif
3147 }
3148 
3149 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3150 {
3151 	int ret = 0;
3152 
3153 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3154 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3155 
3156 	return ret;
3157 }
3158 
3159 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3160 {
3161 	int ret = 0;
3162 
3163 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3164 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3165 
3166 	return ret;
3167 }
3168