xref: /linux/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c (revision 436381eaf2a423e60fc8340399f7d2458091b383)
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 
23 #define SWSMU_CODE_LAYER_L1
24 
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/power_supply.h>
28 #include <linux/reboot.h>
29 
30 #include "amdgpu.h"
31 #include "amdgpu_smu.h"
32 #include "smu_internal.h"
33 #include "atom.h"
34 #include "arcturus_ppt.h"
35 #include "navi10_ppt.h"
36 #include "sienna_cichlid_ppt.h"
37 #include "renoir_ppt.h"
38 #include "vangogh_ppt.h"
39 #include "aldebaran_ppt.h"
40 #include "yellow_carp_ppt.h"
41 #include "cyan_skillfish_ppt.h"
42 #include "smu_v13_0_0_ppt.h"
43 #include "smu_v13_0_4_ppt.h"
44 #include "smu_v13_0_5_ppt.h"
45 #include "smu_v13_0_6_ppt.h"
46 #include "smu_v13_0_7_ppt.h"
47 #include "smu_v14_0_0_ppt.h"
48 #include "smu_v14_0_2_ppt.h"
49 #include "amd_pcie.h"
50 
51 /*
52  * DO NOT use these for err/warn/info/debug messages.
53  * Use dev_err, dev_warn, dev_info and dev_dbg instead.
54  * They are more MGPU friendly.
55  */
56 #undef pr_err
57 #undef pr_warn
58 #undef pr_info
59 #undef pr_debug
60 
61 static const struct amd_pm_funcs swsmu_pm_funcs;
62 static int smu_force_smuclk_levels(struct smu_context *smu,
63 				   enum smu_clk_type clk_type,
64 				   uint32_t mask);
65 static int smu_handle_task(struct smu_context *smu,
66 			   enum amd_dpm_forced_level level,
67 			   enum amd_pp_task task_id);
68 static int smu_reset(struct smu_context *smu);
69 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
70 static int smu_set_fan_control_mode(void *handle, u32 value);
71 static int smu_set_power_limit(void *handle, uint32_t limit);
72 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
73 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
74 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
75 
76 static int smu_sys_get_pp_feature_mask(void *handle,
77 				       char *buf)
78 {
79 	struct smu_context *smu = handle;
80 
81 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
82 		return -EOPNOTSUPP;
83 
84 	return smu_get_pp_feature_mask(smu, buf);
85 }
86 
87 static int smu_sys_set_pp_feature_mask(void *handle,
88 				       uint64_t new_mask)
89 {
90 	struct smu_context *smu = handle;
91 
92 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
93 		return -EOPNOTSUPP;
94 
95 	return smu_set_pp_feature_mask(smu, new_mask);
96 }
97 
98 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
99 {
100 	if (!smu->ppt_funcs->set_gfx_off_residency)
101 		return -EINVAL;
102 
103 	return smu_set_gfx_off_residency(smu, value);
104 }
105 
106 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
107 {
108 	if (!smu->ppt_funcs->get_gfx_off_residency)
109 		return -EINVAL;
110 
111 	return smu_get_gfx_off_residency(smu, value);
112 }
113 
114 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
115 {
116 	if (!smu->ppt_funcs->get_gfx_off_entrycount)
117 		return -EINVAL;
118 
119 	return smu_get_gfx_off_entrycount(smu, value);
120 }
121 
122 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
123 {
124 	if (!smu->ppt_funcs->get_gfx_off_status)
125 		return -EINVAL;
126 
127 	*value = smu_get_gfx_off_status(smu);
128 
129 	return 0;
130 }
131 
132 int smu_set_soft_freq_range(struct smu_context *smu,
133 			    enum smu_clk_type clk_type,
134 			    uint32_t min,
135 			    uint32_t max)
136 {
137 	int ret = 0;
138 
139 	if (smu->ppt_funcs->set_soft_freq_limited_range)
140 		ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
141 								  clk_type,
142 								  min,
143 								  max);
144 
145 	return ret;
146 }
147 
148 int smu_get_dpm_freq_range(struct smu_context *smu,
149 			   enum smu_clk_type clk_type,
150 			   uint32_t *min,
151 			   uint32_t *max)
152 {
153 	int ret = -ENOTSUPP;
154 
155 	if (!min && !max)
156 		return -EINVAL;
157 
158 	if (smu->ppt_funcs->get_dpm_ultimate_freq)
159 		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
160 							    clk_type,
161 							    min,
162 							    max);
163 
164 	return ret;
165 }
166 
167 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
168 {
169 	int ret = 0;
170 	struct amdgpu_device *adev = smu->adev;
171 
172 	if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
173 		ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
174 		if (ret)
175 			dev_err(adev->dev, "Failed to enable gfx imu!\n");
176 	}
177 	return ret;
178 }
179 
180 static u32 smu_get_mclk(void *handle, bool low)
181 {
182 	struct smu_context *smu = handle;
183 	uint32_t clk_freq;
184 	int ret = 0;
185 
186 	ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
187 				     low ? &clk_freq : NULL,
188 				     !low ? &clk_freq : NULL);
189 	if (ret)
190 		return 0;
191 	return clk_freq * 100;
192 }
193 
194 static u32 smu_get_sclk(void *handle, bool low)
195 {
196 	struct smu_context *smu = handle;
197 	uint32_t clk_freq;
198 	int ret = 0;
199 
200 	ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
201 				     low ? &clk_freq : NULL,
202 				     !low ? &clk_freq : NULL);
203 	if (ret)
204 		return 0;
205 	return clk_freq * 100;
206 }
207 
208 static int smu_set_gfx_imu_enable(struct smu_context *smu)
209 {
210 	struct amdgpu_device *adev = smu->adev;
211 
212 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
213 		return 0;
214 
215 	if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
216 		return 0;
217 
218 	return smu_set_gfx_power_up_by_imu(smu);
219 }
220 
221 static bool is_vcn_enabled(struct amdgpu_device *adev)
222 {
223 	int i;
224 
225 	for (i = 0; i < adev->num_ip_blocks; i++) {
226 		if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCN ||
227 			adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_JPEG) &&
228 			!adev->ip_blocks[i].status.valid)
229 			return false;
230 	}
231 
232 	return true;
233 }
234 
235 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
236 				  bool enable)
237 {
238 	struct smu_power_context *smu_power = &smu->smu_power;
239 	struct smu_power_gate *power_gate = &smu_power->power_gate;
240 	int ret = 0;
241 
242 	/*
243 	 * don't poweron vcn/jpeg when they are skipped.
244 	 */
245 	if (!is_vcn_enabled(smu->adev))
246 		return 0;
247 
248 	if (!smu->ppt_funcs->dpm_set_vcn_enable)
249 		return 0;
250 
251 	if (atomic_read(&power_gate->vcn_gated) ^ enable)
252 		return 0;
253 
254 	ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
255 	if (!ret)
256 		atomic_set(&power_gate->vcn_gated, !enable);
257 
258 	return ret;
259 }
260 
261 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
262 				   bool enable)
263 {
264 	struct smu_power_context *smu_power = &smu->smu_power;
265 	struct smu_power_gate *power_gate = &smu_power->power_gate;
266 	int ret = 0;
267 
268 	if (!is_vcn_enabled(smu->adev))
269 		return 0;
270 
271 	if (!smu->ppt_funcs->dpm_set_jpeg_enable)
272 		return 0;
273 
274 	if (atomic_read(&power_gate->jpeg_gated) ^ enable)
275 		return 0;
276 
277 	ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
278 	if (!ret)
279 		atomic_set(&power_gate->jpeg_gated, !enable);
280 
281 	return ret;
282 }
283 
284 static int smu_dpm_set_vpe_enable(struct smu_context *smu,
285 				   bool enable)
286 {
287 	struct smu_power_context *smu_power = &smu->smu_power;
288 	struct smu_power_gate *power_gate = &smu_power->power_gate;
289 	int ret = 0;
290 
291 	if (!smu->ppt_funcs->dpm_set_vpe_enable)
292 		return 0;
293 
294 	if (atomic_read(&power_gate->vpe_gated) ^ enable)
295 		return 0;
296 
297 	ret = smu->ppt_funcs->dpm_set_vpe_enable(smu, enable);
298 	if (!ret)
299 		atomic_set(&power_gate->vpe_gated, !enable);
300 
301 	return ret;
302 }
303 
304 static int smu_dpm_set_umsch_mm_enable(struct smu_context *smu,
305 				   bool enable)
306 {
307 	struct smu_power_context *smu_power = &smu->smu_power;
308 	struct smu_power_gate *power_gate = &smu_power->power_gate;
309 	int ret = 0;
310 
311 	if (!smu->adev->enable_umsch_mm)
312 		return 0;
313 
314 	if (!smu->ppt_funcs->dpm_set_umsch_mm_enable)
315 		return 0;
316 
317 	if (atomic_read(&power_gate->umsch_mm_gated) ^ enable)
318 		return 0;
319 
320 	ret = smu->ppt_funcs->dpm_set_umsch_mm_enable(smu, enable);
321 	if (!ret)
322 		atomic_set(&power_gate->umsch_mm_gated, !enable);
323 
324 	return ret;
325 }
326 
327 static int smu_set_mall_enable(struct smu_context *smu)
328 {
329 	int ret = 0;
330 
331 	if (!smu->ppt_funcs->set_mall_enable)
332 		return 0;
333 
334 	ret = smu->ppt_funcs->set_mall_enable(smu);
335 
336 	return ret;
337 }
338 
339 /**
340  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
341  *
342  * @handle:        smu_context pointer
343  * @block_type: the IP block to power gate/ungate
344  * @gate:       to power gate if true, ungate otherwise
345  *
346  * This API uses no smu->mutex lock protection due to:
347  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
348  *    This is guarded to be race condition free by the caller.
349  * 2. Or get called on user setting request of power_dpm_force_performance_level.
350  *    Under this case, the smu->mutex lock protection is already enforced on
351  *    the parent API smu_force_performance_level of the call path.
352  */
353 static int smu_dpm_set_power_gate(void *handle,
354 				  uint32_t block_type,
355 				  bool gate)
356 {
357 	struct smu_context *smu = handle;
358 	int ret = 0;
359 
360 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
361 		dev_WARN(smu->adev->dev,
362 			 "SMU uninitialized but power %s requested for %u!\n",
363 			 gate ? "gate" : "ungate", block_type);
364 		return -EOPNOTSUPP;
365 	}
366 
367 	switch (block_type) {
368 	/*
369 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
370 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
371 	 */
372 	case AMD_IP_BLOCK_TYPE_UVD:
373 	case AMD_IP_BLOCK_TYPE_VCN:
374 		ret = smu_dpm_set_vcn_enable(smu, !gate);
375 		if (ret)
376 			dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
377 				gate ? "gate" : "ungate");
378 		break;
379 	case AMD_IP_BLOCK_TYPE_GFX:
380 		ret = smu_gfx_off_control(smu, gate);
381 		if (ret)
382 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
383 				gate ? "enable" : "disable");
384 		break;
385 	case AMD_IP_BLOCK_TYPE_SDMA:
386 		ret = smu_powergate_sdma(smu, gate);
387 		if (ret)
388 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
389 				gate ? "gate" : "ungate");
390 		break;
391 	case AMD_IP_BLOCK_TYPE_JPEG:
392 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
393 		if (ret)
394 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
395 				gate ? "gate" : "ungate");
396 		break;
397 	case AMD_IP_BLOCK_TYPE_VPE:
398 		ret = smu_dpm_set_vpe_enable(smu, !gate);
399 		if (ret)
400 			dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
401 				gate ? "gate" : "ungate");
402 		break;
403 	default:
404 		dev_err(smu->adev->dev, "Unsupported block type!\n");
405 		return -EINVAL;
406 	}
407 
408 	return ret;
409 }
410 
411 /**
412  * smu_set_user_clk_dependencies - set user profile clock dependencies
413  *
414  * @smu:	smu_context pointer
415  * @clk:	enum smu_clk_type type
416  *
417  * Enable/Disable the clock dependency for the @clk type.
418  */
419 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
420 {
421 	if (smu->adev->in_suspend)
422 		return;
423 
424 	if (clk == SMU_MCLK) {
425 		smu->user_dpm_profile.clk_dependency = 0;
426 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
427 	} else if (clk == SMU_FCLK) {
428 		/* MCLK takes precedence over FCLK */
429 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
430 			return;
431 
432 		smu->user_dpm_profile.clk_dependency = 0;
433 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
434 	} else if (clk == SMU_SOCCLK) {
435 		/* MCLK takes precedence over SOCCLK */
436 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
437 			return;
438 
439 		smu->user_dpm_profile.clk_dependency = 0;
440 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
441 	} else
442 		/* Add clk dependencies here, if any */
443 		return;
444 }
445 
446 /**
447  * smu_restore_dpm_user_profile - reinstate user dpm profile
448  *
449  * @smu:	smu_context pointer
450  *
451  * Restore the saved user power configurations include power limit,
452  * clock frequencies, fan control mode and fan speed.
453  */
454 static void smu_restore_dpm_user_profile(struct smu_context *smu)
455 {
456 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
457 	int ret = 0;
458 
459 	if (!smu->adev->in_suspend)
460 		return;
461 
462 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
463 		return;
464 
465 	/* Enable restore flag */
466 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
467 
468 	/* set the user dpm power limit */
469 	if (smu->user_dpm_profile.power_limit) {
470 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
471 		if (ret)
472 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
473 	}
474 
475 	/* set the user dpm clock configurations */
476 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
477 		enum smu_clk_type clk_type;
478 
479 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
480 			/*
481 			 * Iterate over smu clk type and force the saved user clk
482 			 * configs, skip if clock dependency is enabled
483 			 */
484 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
485 					smu->user_dpm_profile.clk_mask[clk_type]) {
486 				ret = smu_force_smuclk_levels(smu, clk_type,
487 						smu->user_dpm_profile.clk_mask[clk_type]);
488 				if (ret)
489 					dev_err(smu->adev->dev,
490 						"Failed to set clock type = %d\n", clk_type);
491 			}
492 		}
493 	}
494 
495 	/* set the user dpm fan configurations */
496 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
497 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
498 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
499 		if (ret != -EOPNOTSUPP) {
500 			smu->user_dpm_profile.fan_speed_pwm = 0;
501 			smu->user_dpm_profile.fan_speed_rpm = 0;
502 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
503 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
504 		}
505 
506 		if (smu->user_dpm_profile.fan_speed_pwm) {
507 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
508 			if (ret != -EOPNOTSUPP)
509 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
510 		}
511 
512 		if (smu->user_dpm_profile.fan_speed_rpm) {
513 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
514 			if (ret != -EOPNOTSUPP)
515 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
516 		}
517 	}
518 
519 	/* Restore user customized OD settings */
520 	if (smu->user_dpm_profile.user_od) {
521 		if (smu->ppt_funcs->restore_user_od_settings) {
522 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
523 			if (ret)
524 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
525 		}
526 	}
527 
528 	/* Disable restore flag */
529 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
530 }
531 
532 static int smu_get_power_num_states(void *handle,
533 				    struct pp_states_info *state_info)
534 {
535 	if (!state_info)
536 		return -EINVAL;
537 
538 	/* not support power state */
539 	memset(state_info, 0, sizeof(struct pp_states_info));
540 	state_info->nums = 1;
541 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
542 
543 	return 0;
544 }
545 
546 bool is_support_sw_smu(struct amdgpu_device *adev)
547 {
548 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
549 	if (adev->asic_type == CHIP_VEGA20)
550 		return false;
551 
552 	if (amdgpu_ip_version(adev, MP1_HWIP, 0) >= IP_VERSION(11, 0, 0))
553 		return true;
554 
555 	return false;
556 }
557 
558 bool is_support_cclk_dpm(struct amdgpu_device *adev)
559 {
560 	struct smu_context *smu = adev->powerplay.pp_handle;
561 
562 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
563 		return false;
564 
565 	return true;
566 }
567 
568 
569 static int smu_sys_get_pp_table(void *handle,
570 				char **table)
571 {
572 	struct smu_context *smu = handle;
573 	struct smu_table_context *smu_table = &smu->smu_table;
574 
575 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
576 		return -EOPNOTSUPP;
577 
578 	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
579 		return -EINVAL;
580 
581 	if (smu_table->hardcode_pptable)
582 		*table = smu_table->hardcode_pptable;
583 	else
584 		*table = smu_table->power_play_table;
585 
586 	return smu_table->power_play_table_size;
587 }
588 
589 static int smu_sys_set_pp_table(void *handle,
590 				const char *buf,
591 				size_t size)
592 {
593 	struct smu_context *smu = handle;
594 	struct smu_table_context *smu_table = &smu->smu_table;
595 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
596 	int ret = 0;
597 
598 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
599 		return -EOPNOTSUPP;
600 
601 	if (header->usStructureSize != size) {
602 		dev_err(smu->adev->dev, "pp table size not matched !\n");
603 		return -EIO;
604 	}
605 
606 	if (!smu_table->hardcode_pptable) {
607 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
608 		if (!smu_table->hardcode_pptable)
609 			return -ENOMEM;
610 	}
611 
612 	memcpy(smu_table->hardcode_pptable, buf, size);
613 	smu_table->power_play_table = smu_table->hardcode_pptable;
614 	smu_table->power_play_table_size = size;
615 
616 	/*
617 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
618 	 * skipped) may be needed for custom pptable uploading.
619 	 */
620 	smu->uploading_custom_pp_table = true;
621 
622 	ret = smu_reset(smu);
623 	if (ret)
624 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
625 
626 	smu->uploading_custom_pp_table = false;
627 
628 	return ret;
629 }
630 
631 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
632 {
633 	struct smu_feature *feature = &smu->smu_feature;
634 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
635 	int ret = 0;
636 
637 	/*
638 	 * With SCPM enabled, the allowed featuremasks setting(via
639 	 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
640 	 * That means there is no way to let PMFW knows the settings below.
641 	 * Thus, we just assume all the features are allowed under
642 	 * such scenario.
643 	 */
644 	if (smu->adev->scpm_enabled) {
645 		bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
646 		return 0;
647 	}
648 
649 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
650 
651 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
652 					     SMU_FEATURE_MAX/32);
653 	if (ret)
654 		return ret;
655 
656 	bitmap_or(feature->allowed, feature->allowed,
657 		      (unsigned long *)allowed_feature_mask,
658 		      feature->feature_num);
659 
660 	return ret;
661 }
662 
663 static int smu_set_funcs(struct amdgpu_device *adev)
664 {
665 	struct smu_context *smu = adev->powerplay.pp_handle;
666 
667 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
668 		smu->od_enabled = true;
669 
670 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
671 	case IP_VERSION(11, 0, 0):
672 	case IP_VERSION(11, 0, 5):
673 	case IP_VERSION(11, 0, 9):
674 		navi10_set_ppt_funcs(smu);
675 		break;
676 	case IP_VERSION(11, 0, 7):
677 	case IP_VERSION(11, 0, 11):
678 	case IP_VERSION(11, 0, 12):
679 	case IP_VERSION(11, 0, 13):
680 		sienna_cichlid_set_ppt_funcs(smu);
681 		break;
682 	case IP_VERSION(12, 0, 0):
683 	case IP_VERSION(12, 0, 1):
684 		renoir_set_ppt_funcs(smu);
685 		break;
686 	case IP_VERSION(11, 5, 0):
687 		vangogh_set_ppt_funcs(smu);
688 		break;
689 	case IP_VERSION(13, 0, 1):
690 	case IP_VERSION(13, 0, 3):
691 	case IP_VERSION(13, 0, 8):
692 		yellow_carp_set_ppt_funcs(smu);
693 		break;
694 	case IP_VERSION(13, 0, 4):
695 	case IP_VERSION(13, 0, 11):
696 		smu_v13_0_4_set_ppt_funcs(smu);
697 		break;
698 	case IP_VERSION(13, 0, 5):
699 		smu_v13_0_5_set_ppt_funcs(smu);
700 		break;
701 	case IP_VERSION(11, 0, 8):
702 		cyan_skillfish_set_ppt_funcs(smu);
703 		break;
704 	case IP_VERSION(11, 0, 2):
705 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
706 		arcturus_set_ppt_funcs(smu);
707 		/* OD is not supported on Arcturus */
708 		smu->od_enabled = false;
709 		break;
710 	case IP_VERSION(13, 0, 2):
711 		aldebaran_set_ppt_funcs(smu);
712 		/* Enable pp_od_clk_voltage node */
713 		smu->od_enabled = true;
714 		break;
715 	case IP_VERSION(13, 0, 0):
716 	case IP_VERSION(13, 0, 10):
717 		smu_v13_0_0_set_ppt_funcs(smu);
718 		break;
719 	case IP_VERSION(13, 0, 6):
720 		smu_v13_0_6_set_ppt_funcs(smu);
721 		/* Enable pp_od_clk_voltage node */
722 		smu->od_enabled = true;
723 		break;
724 	case IP_VERSION(13, 0, 7):
725 		smu_v13_0_7_set_ppt_funcs(smu);
726 		break;
727 	case IP_VERSION(14, 0, 0):
728 	case IP_VERSION(14, 0, 1):
729 		smu_v14_0_0_set_ppt_funcs(smu);
730 		break;
731 	case IP_VERSION(14, 0, 2):
732 	case IP_VERSION(14, 0, 3):
733 		smu_v14_0_2_set_ppt_funcs(smu);
734 		break;
735 	default:
736 		return -EINVAL;
737 	}
738 
739 	return 0;
740 }
741 
742 static int smu_early_init(void *handle)
743 {
744 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
745 	struct smu_context *smu;
746 	int r;
747 
748 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
749 	if (!smu)
750 		return -ENOMEM;
751 
752 	smu->adev = adev;
753 	smu->pm_enabled = !!amdgpu_dpm;
754 	smu->is_apu = false;
755 	smu->smu_baco.state = SMU_BACO_STATE_NONE;
756 	smu->smu_baco.platform_support = false;
757 	smu->smu_baco.maco_support = false;
758 	smu->user_dpm_profile.fan_mode = -1;
759 
760 	mutex_init(&smu->message_lock);
761 
762 	adev->powerplay.pp_handle = smu;
763 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
764 
765 	r = smu_set_funcs(adev);
766 	if (r)
767 		return r;
768 	return smu_init_microcode(smu);
769 }
770 
771 static int smu_set_default_dpm_table(struct smu_context *smu)
772 {
773 	struct amdgpu_device *adev = smu->adev;
774 	struct smu_power_context *smu_power = &smu->smu_power;
775 	struct smu_power_gate *power_gate = &smu_power->power_gate;
776 	int vcn_gate, jpeg_gate;
777 	int ret = 0;
778 
779 	if (!smu->ppt_funcs->set_default_dpm_table)
780 		return 0;
781 
782 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
783 		vcn_gate = atomic_read(&power_gate->vcn_gated);
784 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
785 		jpeg_gate = atomic_read(&power_gate->jpeg_gated);
786 
787 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
788 		ret = smu_dpm_set_vcn_enable(smu, true);
789 		if (ret)
790 			return ret;
791 	}
792 
793 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
794 		ret = smu_dpm_set_jpeg_enable(smu, true);
795 		if (ret)
796 			goto err_out;
797 	}
798 
799 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
800 	if (ret)
801 		dev_err(smu->adev->dev,
802 			"Failed to setup default dpm clock tables!\n");
803 
804 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
805 		smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
806 err_out:
807 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
808 		smu_dpm_set_vcn_enable(smu, !vcn_gate);
809 
810 	return ret;
811 }
812 
813 static int smu_apply_default_config_table_settings(struct smu_context *smu)
814 {
815 	struct amdgpu_device *adev = smu->adev;
816 	int ret = 0;
817 
818 	ret = smu_get_default_config_table_settings(smu,
819 						    &adev->pm.config_table);
820 	if (ret)
821 		return ret;
822 
823 	return smu_set_config_table(smu, &adev->pm.config_table);
824 }
825 
826 static int smu_late_init(void *handle)
827 {
828 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
829 	struct smu_context *smu = adev->powerplay.pp_handle;
830 	int ret = 0;
831 
832 	smu_set_fine_grain_gfx_freq_parameters(smu);
833 
834 	if (!smu->pm_enabled)
835 		return 0;
836 
837 	ret = smu_post_init(smu);
838 	if (ret) {
839 		dev_err(adev->dev, "Failed to post smu init!\n");
840 		return ret;
841 	}
842 
843 	/*
844 	 * Explicitly notify PMFW the power mode the system in. Since
845 	 * the PMFW may boot the ASIC with a different mode.
846 	 * For those supporting ACDC switch via gpio, PMFW will
847 	 * handle the switch automatically. Driver involvement
848 	 * is unnecessary.
849 	 */
850 	adev->pm.ac_power = power_supply_is_system_supplied() > 0;
851 	smu_set_ac_dc(smu);
852 
853 	if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) ||
854 	    (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3)))
855 		return 0;
856 
857 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
858 		ret = smu_set_default_od_settings(smu);
859 		if (ret) {
860 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
861 			return ret;
862 		}
863 	}
864 
865 	ret = smu_populate_umd_state_clk(smu);
866 	if (ret) {
867 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
868 		return ret;
869 	}
870 
871 	ret = smu_get_asic_power_limits(smu,
872 					&smu->current_power_limit,
873 					&smu->default_power_limit,
874 					&smu->max_power_limit,
875 					&smu->min_power_limit);
876 	if (ret) {
877 		dev_err(adev->dev, "Failed to get asic power limits!\n");
878 		return ret;
879 	}
880 
881 	if (!amdgpu_sriov_vf(adev))
882 		smu_get_unique_id(smu);
883 
884 	smu_get_fan_parameters(smu);
885 
886 	smu_handle_task(smu,
887 			smu->smu_dpm.dpm_level,
888 			AMD_PP_TASK_COMPLETE_INIT);
889 
890 	ret = smu_apply_default_config_table_settings(smu);
891 	if (ret && (ret != -EOPNOTSUPP)) {
892 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
893 		return ret;
894 	}
895 
896 	smu_restore_dpm_user_profile(smu);
897 
898 	return 0;
899 }
900 
901 static int smu_init_fb_allocations(struct smu_context *smu)
902 {
903 	struct amdgpu_device *adev = smu->adev;
904 	struct smu_table_context *smu_table = &smu->smu_table;
905 	struct smu_table *tables = smu_table->tables;
906 	struct smu_table *driver_table = &(smu_table->driver_table);
907 	uint32_t max_table_size = 0;
908 	int ret, i;
909 
910 	/* VRAM allocation for tool table */
911 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
912 		ret = amdgpu_bo_create_kernel(adev,
913 					      tables[SMU_TABLE_PMSTATUSLOG].size,
914 					      tables[SMU_TABLE_PMSTATUSLOG].align,
915 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
916 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
917 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
918 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
919 		if (ret) {
920 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
921 			return ret;
922 		}
923 	}
924 
925 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
926 	/* VRAM allocation for driver table */
927 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
928 		if (tables[i].size == 0)
929 			continue;
930 
931 		/* If one of the tables has VRAM domain restriction, keep it in
932 		 * VRAM
933 		 */
934 		if ((tables[i].domain &
935 		    (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
936 			    AMDGPU_GEM_DOMAIN_VRAM)
937 			driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
938 
939 		if (i == SMU_TABLE_PMSTATUSLOG)
940 			continue;
941 
942 		if (max_table_size < tables[i].size)
943 			max_table_size = tables[i].size;
944 	}
945 
946 	driver_table->size = max_table_size;
947 	driver_table->align = PAGE_SIZE;
948 
949 	ret = amdgpu_bo_create_kernel(adev,
950 				      driver_table->size,
951 				      driver_table->align,
952 				      driver_table->domain,
953 				      &driver_table->bo,
954 				      &driver_table->mc_address,
955 				      &driver_table->cpu_addr);
956 	if (ret) {
957 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
958 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
959 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
960 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
961 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
962 	}
963 
964 	return ret;
965 }
966 
967 static int smu_fini_fb_allocations(struct smu_context *smu)
968 {
969 	struct smu_table_context *smu_table = &smu->smu_table;
970 	struct smu_table *tables = smu_table->tables;
971 	struct smu_table *driver_table = &(smu_table->driver_table);
972 
973 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
974 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
975 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
976 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
977 
978 	amdgpu_bo_free_kernel(&driver_table->bo,
979 			      &driver_table->mc_address,
980 			      &driver_table->cpu_addr);
981 
982 	return 0;
983 }
984 
985 /**
986  * smu_alloc_memory_pool - allocate memory pool in the system memory
987  *
988  * @smu: amdgpu_device pointer
989  *
990  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
991  * and DramLogSetDramAddr can notify it changed.
992  *
993  * Returns 0 on success, error on failure.
994  */
995 static int smu_alloc_memory_pool(struct smu_context *smu)
996 {
997 	struct amdgpu_device *adev = smu->adev;
998 	struct smu_table_context *smu_table = &smu->smu_table;
999 	struct smu_table *memory_pool = &smu_table->memory_pool;
1000 	uint64_t pool_size = smu->pool_size;
1001 	int ret = 0;
1002 
1003 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
1004 		return ret;
1005 
1006 	memory_pool->size = pool_size;
1007 	memory_pool->align = PAGE_SIZE;
1008 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
1009 
1010 	switch (pool_size) {
1011 	case SMU_MEMORY_POOL_SIZE_256_MB:
1012 	case SMU_MEMORY_POOL_SIZE_512_MB:
1013 	case SMU_MEMORY_POOL_SIZE_1_GB:
1014 	case SMU_MEMORY_POOL_SIZE_2_GB:
1015 		ret = amdgpu_bo_create_kernel(adev,
1016 					      memory_pool->size,
1017 					      memory_pool->align,
1018 					      memory_pool->domain,
1019 					      &memory_pool->bo,
1020 					      &memory_pool->mc_address,
1021 					      &memory_pool->cpu_addr);
1022 		if (ret)
1023 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
1024 		break;
1025 	default:
1026 		break;
1027 	}
1028 
1029 	return ret;
1030 }
1031 
1032 static int smu_free_memory_pool(struct smu_context *smu)
1033 {
1034 	struct smu_table_context *smu_table = &smu->smu_table;
1035 	struct smu_table *memory_pool = &smu_table->memory_pool;
1036 
1037 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
1038 		return 0;
1039 
1040 	amdgpu_bo_free_kernel(&memory_pool->bo,
1041 			      &memory_pool->mc_address,
1042 			      &memory_pool->cpu_addr);
1043 
1044 	memset(memory_pool, 0, sizeof(struct smu_table));
1045 
1046 	return 0;
1047 }
1048 
1049 static int smu_alloc_dummy_read_table(struct smu_context *smu)
1050 {
1051 	struct smu_table_context *smu_table = &smu->smu_table;
1052 	struct smu_table *dummy_read_1_table =
1053 			&smu_table->dummy_read_1_table;
1054 	struct amdgpu_device *adev = smu->adev;
1055 	int ret = 0;
1056 
1057 	if (!dummy_read_1_table->size)
1058 		return 0;
1059 
1060 	ret = amdgpu_bo_create_kernel(adev,
1061 				      dummy_read_1_table->size,
1062 				      dummy_read_1_table->align,
1063 				      dummy_read_1_table->domain,
1064 				      &dummy_read_1_table->bo,
1065 				      &dummy_read_1_table->mc_address,
1066 				      &dummy_read_1_table->cpu_addr);
1067 	if (ret)
1068 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
1069 
1070 	return ret;
1071 }
1072 
1073 static void smu_free_dummy_read_table(struct smu_context *smu)
1074 {
1075 	struct smu_table_context *smu_table = &smu->smu_table;
1076 	struct smu_table *dummy_read_1_table =
1077 			&smu_table->dummy_read_1_table;
1078 
1079 
1080 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
1081 			      &dummy_read_1_table->mc_address,
1082 			      &dummy_read_1_table->cpu_addr);
1083 
1084 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
1085 }
1086 
1087 static int smu_smc_table_sw_init(struct smu_context *smu)
1088 {
1089 	int ret;
1090 
1091 	/**
1092 	 * Create smu_table structure, and init smc tables such as
1093 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
1094 	 */
1095 	ret = smu_init_smc_tables(smu);
1096 	if (ret) {
1097 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
1098 		return ret;
1099 	}
1100 
1101 	/**
1102 	 * Create smu_power_context structure, and allocate smu_dpm_context and
1103 	 * context size to fill the smu_power_context data.
1104 	 */
1105 	ret = smu_init_power(smu);
1106 	if (ret) {
1107 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1108 		return ret;
1109 	}
1110 
1111 	/*
1112 	 * allocate vram bos to store smc table contents.
1113 	 */
1114 	ret = smu_init_fb_allocations(smu);
1115 	if (ret)
1116 		return ret;
1117 
1118 	ret = smu_alloc_memory_pool(smu);
1119 	if (ret)
1120 		return ret;
1121 
1122 	ret = smu_alloc_dummy_read_table(smu);
1123 	if (ret)
1124 		return ret;
1125 
1126 	ret = smu_i2c_init(smu);
1127 	if (ret)
1128 		return ret;
1129 
1130 	return 0;
1131 }
1132 
1133 static int smu_smc_table_sw_fini(struct smu_context *smu)
1134 {
1135 	int ret;
1136 
1137 	smu_i2c_fini(smu);
1138 
1139 	smu_free_dummy_read_table(smu);
1140 
1141 	ret = smu_free_memory_pool(smu);
1142 	if (ret)
1143 		return ret;
1144 
1145 	ret = smu_fini_fb_allocations(smu);
1146 	if (ret)
1147 		return ret;
1148 
1149 	ret = smu_fini_power(smu);
1150 	if (ret) {
1151 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1152 		return ret;
1153 	}
1154 
1155 	ret = smu_fini_smc_tables(smu);
1156 	if (ret) {
1157 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1158 		return ret;
1159 	}
1160 
1161 	return 0;
1162 }
1163 
1164 static void smu_throttling_logging_work_fn(struct work_struct *work)
1165 {
1166 	struct smu_context *smu = container_of(work, struct smu_context,
1167 					       throttling_logging_work);
1168 
1169 	smu_log_thermal_throttling(smu);
1170 }
1171 
1172 static void smu_interrupt_work_fn(struct work_struct *work)
1173 {
1174 	struct smu_context *smu = container_of(work, struct smu_context,
1175 					       interrupt_work);
1176 
1177 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1178 		smu->ppt_funcs->interrupt_work(smu);
1179 }
1180 
1181 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1182 {
1183 	struct smu_context *smu =
1184 		container_of(work, struct smu_context, swctf_delayed_work.work);
1185 	struct smu_temperature_range *range =
1186 				&smu->thermal_range;
1187 	struct amdgpu_device *adev = smu->adev;
1188 	uint32_t hotspot_tmp, size;
1189 
1190 	/*
1191 	 * If the hotspot temperature is confirmed as below SW CTF setting point
1192 	 * after the delay enforced, nothing will be done.
1193 	 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1194 	 */
1195 	if (range->software_shutdown_temp &&
1196 	    smu->ppt_funcs->read_sensor &&
1197 	    !smu->ppt_funcs->read_sensor(smu,
1198 					 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1199 					 &hotspot_tmp,
1200 					 &size) &&
1201 	    hotspot_tmp / 1000 < range->software_shutdown_temp)
1202 		return;
1203 
1204 	dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1205 	dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1206 	orderly_poweroff(true);
1207 }
1208 
1209 static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
1210 {
1211 	if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
1212 		smu->plpd_mode = XGMI_PLPD_DEFAULT;
1213 		return;
1214 	}
1215 
1216 	/* PMFW put PLPD into default policy after enabling the feature */
1217 	if (smu_feature_is_enabled(smu,
1218 				   SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT))
1219 		smu->plpd_mode = XGMI_PLPD_DEFAULT;
1220 	else
1221 		smu->plpd_mode = XGMI_PLPD_NONE;
1222 }
1223 
1224 static int smu_sw_init(void *handle)
1225 {
1226 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1227 	struct smu_context *smu = adev->powerplay.pp_handle;
1228 	int ret;
1229 
1230 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1231 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1232 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1233 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1234 
1235 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1236 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1237 	atomic64_set(&smu->throttle_int_counter, 0);
1238 	smu->watermarks_bitmap = 0;
1239 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1240 	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1241 
1242 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1243 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1244 	atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1245 	atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1246 
1247 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1248 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1249 	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1250 	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1251 	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1252 	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1253 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1254 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1255 
1256 	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1257 	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1258 	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1259 	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1260 	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1261 	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1262 	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1263 	smu->display_config = &adev->pm.pm_display_cfg;
1264 
1265 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1266 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1267 
1268 	INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1269 			  smu_swctf_delayed_work_handler);
1270 
1271 	ret = smu_smc_table_sw_init(smu);
1272 	if (ret) {
1273 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1274 		return ret;
1275 	}
1276 
1277 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1278 	ret = smu_get_vbios_bootup_values(smu);
1279 	if (ret) {
1280 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1281 		return ret;
1282 	}
1283 
1284 	ret = smu_init_pptable_microcode(smu);
1285 	if (ret) {
1286 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1287 		return ret;
1288 	}
1289 
1290 	ret = smu_register_irq_handler(smu);
1291 	if (ret) {
1292 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1293 		return ret;
1294 	}
1295 
1296 	/* If there is no way to query fan control mode, fan control is not supported */
1297 	if (!smu->ppt_funcs->get_fan_control_mode)
1298 		smu->adev->pm.no_fan = true;
1299 
1300 	return 0;
1301 }
1302 
1303 static int smu_sw_fini(void *handle)
1304 {
1305 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1306 	struct smu_context *smu = adev->powerplay.pp_handle;
1307 	int ret;
1308 
1309 	ret = smu_smc_table_sw_fini(smu);
1310 	if (ret) {
1311 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1312 		return ret;
1313 	}
1314 
1315 	smu_fini_microcode(smu);
1316 
1317 	return 0;
1318 }
1319 
1320 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1321 {
1322 	struct amdgpu_device *adev = smu->adev;
1323 	struct smu_temperature_range *range =
1324 				&smu->thermal_range;
1325 	int ret = 0;
1326 
1327 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1328 		return 0;
1329 
1330 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1331 	if (ret)
1332 		return ret;
1333 
1334 	adev->pm.dpm.thermal.min_temp = range->min;
1335 	adev->pm.dpm.thermal.max_temp = range->max;
1336 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1337 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1338 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1339 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1340 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1341 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1342 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1343 
1344 	return ret;
1345 }
1346 
1347 /**
1348  * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1349  *
1350  * @smu: smu_context pointer
1351  *
1352  * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1353  * Returns 0 on success, error on failure.
1354  */
1355 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1356 {
1357 	struct wbrf_ranges_in_out wbrf_exclusion = {0};
1358 	struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1359 	struct amdgpu_device *adev = smu->adev;
1360 	uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1361 	uint64_t start, end;
1362 	int ret, i, j;
1363 
1364 	ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1365 	if (ret) {
1366 		dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1367 		return ret;
1368 	}
1369 
1370 	/*
1371 	 * The exclusion ranges array we got might be filled with holes and duplicate
1372 	 * entries. For example:
1373 	 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1374 	 * We need to do some sortups to eliminate those holes and duplicate entries.
1375 	 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1376 	 */
1377 	for (i = 0; i < num_of_wbrf_ranges; i++) {
1378 		start = wifi_bands[i].start;
1379 		end = wifi_bands[i].end;
1380 
1381 		/* get the last valid entry to fill the intermediate hole */
1382 		if (!start && !end) {
1383 			for (j = num_of_wbrf_ranges - 1; j > i; j--)
1384 				if (wifi_bands[j].start && wifi_bands[j].end)
1385 					break;
1386 
1387 			/* no valid entry left */
1388 			if (j <= i)
1389 				break;
1390 
1391 			start = wifi_bands[i].start = wifi_bands[j].start;
1392 			end = wifi_bands[i].end = wifi_bands[j].end;
1393 			wifi_bands[j].start = 0;
1394 			wifi_bands[j].end = 0;
1395 			num_of_wbrf_ranges = j;
1396 		}
1397 
1398 		/* eliminate duplicate entries */
1399 		for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1400 			if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1401 				wifi_bands[j].start = 0;
1402 				wifi_bands[j].end = 0;
1403 			}
1404 		}
1405 	}
1406 
1407 	/* Send the sorted wifi_bands to PMFW */
1408 	ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1409 	/* Try to set the wifi_bands again */
1410 	if (unlikely(ret == -EBUSY)) {
1411 		mdelay(5);
1412 		ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1413 	}
1414 
1415 	return ret;
1416 }
1417 
1418 /**
1419  * smu_wbrf_event_handler - handle notify events
1420  *
1421  * @nb: notifier block
1422  * @action: event type
1423  * @_arg: event data
1424  *
1425  * Calls relevant amdgpu function in response to wbrf event
1426  * notification from kernel.
1427  */
1428 static int smu_wbrf_event_handler(struct notifier_block *nb,
1429 				  unsigned long action, void *_arg)
1430 {
1431 	struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1432 
1433 	switch (action) {
1434 	case WBRF_CHANGED:
1435 		schedule_delayed_work(&smu->wbrf_delayed_work,
1436 				      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1437 		break;
1438 	default:
1439 		return NOTIFY_DONE;
1440 	}
1441 
1442 	return NOTIFY_OK;
1443 }
1444 
1445 /**
1446  * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1447  *
1448  * @work: struct work_struct pointer
1449  *
1450  * Flood is over and driver will consume the latest exclusion ranges.
1451  */
1452 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1453 {
1454 	struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1455 
1456 	smu_wbrf_handle_exclusion_ranges(smu);
1457 }
1458 
1459 /**
1460  * smu_wbrf_support_check - check wbrf support
1461  *
1462  * @smu: smu_context pointer
1463  *
1464  * Verifies the ACPI interface whether wbrf is supported.
1465  */
1466 static void smu_wbrf_support_check(struct smu_context *smu)
1467 {
1468 	struct amdgpu_device *adev = smu->adev;
1469 
1470 	smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1471 							acpi_amd_wbrf_supported_consumer(adev->dev);
1472 
1473 	if (smu->wbrf_supported)
1474 		dev_info(adev->dev, "RF interference mitigation is supported\n");
1475 }
1476 
1477 /**
1478  * smu_wbrf_init - init driver wbrf support
1479  *
1480  * @smu: smu_context pointer
1481  *
1482  * Verifies the AMD ACPI interfaces and registers with the wbrf
1483  * notifier chain if wbrf feature is supported.
1484  * Returns 0 on success, error on failure.
1485  */
1486 static int smu_wbrf_init(struct smu_context *smu)
1487 {
1488 	int ret;
1489 
1490 	if (!smu->wbrf_supported)
1491 		return 0;
1492 
1493 	INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1494 
1495 	smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1496 	ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1497 	if (ret)
1498 		return ret;
1499 
1500 	/*
1501 	 * Some wifiband exclusion ranges may be already there
1502 	 * before our driver loaded. To make sure our driver
1503 	 * is awared of those exclusion ranges.
1504 	 */
1505 	schedule_delayed_work(&smu->wbrf_delayed_work,
1506 			      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1507 
1508 	return 0;
1509 }
1510 
1511 /**
1512  * smu_wbrf_fini - tear down driver wbrf support
1513  *
1514  * @smu: smu_context pointer
1515  *
1516  * Unregisters with the wbrf notifier chain.
1517  */
1518 static void smu_wbrf_fini(struct smu_context *smu)
1519 {
1520 	if (!smu->wbrf_supported)
1521 		return;
1522 
1523 	amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1524 
1525 	cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1526 }
1527 
1528 static int smu_smc_hw_setup(struct smu_context *smu)
1529 {
1530 	struct smu_feature *feature = &smu->smu_feature;
1531 	struct amdgpu_device *adev = smu->adev;
1532 	uint8_t pcie_gen = 0, pcie_width = 0;
1533 	uint64_t features_supported;
1534 	int ret = 0;
1535 
1536 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1537 	case IP_VERSION(11, 0, 7):
1538 	case IP_VERSION(11, 0, 11):
1539 	case IP_VERSION(11, 5, 0):
1540 	case IP_VERSION(11, 0, 12):
1541 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1542 			dev_info(adev->dev, "dpm has been enabled\n");
1543 			ret = smu_system_features_control(smu, true);
1544 			if (ret)
1545 				dev_err(adev->dev, "Failed system features control!\n");
1546 			return ret;
1547 		}
1548 		break;
1549 	default:
1550 		break;
1551 	}
1552 
1553 	ret = smu_init_display_count(smu, 0);
1554 	if (ret) {
1555 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1556 		return ret;
1557 	}
1558 
1559 	ret = smu_set_driver_table_location(smu);
1560 	if (ret) {
1561 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1562 		return ret;
1563 	}
1564 
1565 	/*
1566 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1567 	 */
1568 	ret = smu_set_tool_table_location(smu);
1569 	if (ret) {
1570 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1571 		return ret;
1572 	}
1573 
1574 	/*
1575 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1576 	 * pool location.
1577 	 */
1578 	ret = smu_notify_memory_pool_location(smu);
1579 	if (ret) {
1580 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1581 		return ret;
1582 	}
1583 
1584 	/*
1585 	 * It is assumed the pptable used before runpm is same as
1586 	 * the one used afterwards. Thus, we can reuse the stored
1587 	 * copy and do not need to resetup the pptable again.
1588 	 */
1589 	if (!adev->in_runpm) {
1590 		ret = smu_setup_pptable(smu);
1591 		if (ret) {
1592 			dev_err(adev->dev, "Failed to setup pptable!\n");
1593 			return ret;
1594 		}
1595 	}
1596 
1597 	/* smu_dump_pptable(smu); */
1598 
1599 	/*
1600 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1601 	 * (to SMU). Driver involvement is not needed and permitted.
1602 	 */
1603 	if (!adev->scpm_enabled) {
1604 		/*
1605 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1606 		 * SetDriverDramAddr and TransferTableDram2Smu.
1607 		 */
1608 		ret = smu_write_pptable(smu);
1609 		if (ret) {
1610 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1611 			return ret;
1612 		}
1613 	}
1614 
1615 	/* issue Run*Btc msg */
1616 	ret = smu_run_btc(smu);
1617 	if (ret)
1618 		return ret;
1619 
1620 	/* Enable UclkShadow on wbrf supported */
1621 	if (smu->wbrf_supported) {
1622 		ret = smu_enable_uclk_shadow(smu, true);
1623 		if (ret) {
1624 			dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1625 			return ret;
1626 		}
1627 	}
1628 
1629 	/*
1630 	 * With SCPM enabled, these actions(and relevant messages) are
1631 	 * not needed and permitted.
1632 	 */
1633 	if (!adev->scpm_enabled) {
1634 		ret = smu_feature_set_allowed_mask(smu);
1635 		if (ret) {
1636 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1637 			return ret;
1638 		}
1639 	}
1640 
1641 	ret = smu_system_features_control(smu, true);
1642 	if (ret) {
1643 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1644 		return ret;
1645 	}
1646 
1647 	smu_init_xgmi_plpd_mode(smu);
1648 
1649 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1650 	if (ret) {
1651 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1652 		return ret;
1653 	}
1654 	bitmap_copy(feature->supported,
1655 		    (unsigned long *)&features_supported,
1656 		    feature->feature_num);
1657 
1658 	if (!smu_is_dpm_running(smu))
1659 		dev_info(adev->dev, "dpm has been disabled\n");
1660 
1661 	/*
1662 	 * Set initialized values (get from vbios) to dpm tables context such as
1663 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1664 	 * type of clks.
1665 	 */
1666 	ret = smu_set_default_dpm_table(smu);
1667 	if (ret) {
1668 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1669 		return ret;
1670 	}
1671 
1672 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1673 		pcie_gen = 3;
1674 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1675 		pcie_gen = 2;
1676 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1677 		pcie_gen = 1;
1678 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1679 		pcie_gen = 0;
1680 
1681 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1682 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1683 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1684 	 */
1685 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1686 		pcie_width = 6;
1687 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1688 		pcie_width = 5;
1689 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1690 		pcie_width = 4;
1691 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1692 		pcie_width = 3;
1693 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1694 		pcie_width = 2;
1695 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1696 		pcie_width = 1;
1697 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1698 	if (ret) {
1699 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1700 		return ret;
1701 	}
1702 
1703 	ret = smu_get_thermal_temperature_range(smu);
1704 	if (ret) {
1705 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1706 		return ret;
1707 	}
1708 
1709 	ret = smu_enable_thermal_alert(smu);
1710 	if (ret) {
1711 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1712 	  return ret;
1713 	}
1714 
1715 	ret = smu_notify_display_change(smu);
1716 	if (ret) {
1717 		dev_err(adev->dev, "Failed to notify display change!\n");
1718 		return ret;
1719 	}
1720 
1721 	/*
1722 	 * Set min deep sleep dce fclk with bootup value from vbios via
1723 	 * SetMinDeepSleepDcefclk MSG.
1724 	 */
1725 	ret = smu_set_min_dcef_deep_sleep(smu,
1726 					  smu->smu_table.boot_values.dcefclk / 100);
1727 	if (ret) {
1728 		dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1729 		return ret;
1730 	}
1731 
1732 	/* Init wbrf support. Properly setup the notifier */
1733 	ret = smu_wbrf_init(smu);
1734 	if (ret)
1735 		dev_err(adev->dev, "Error during wbrf init call\n");
1736 
1737 	return ret;
1738 }
1739 
1740 static int smu_start_smc_engine(struct smu_context *smu)
1741 {
1742 	struct amdgpu_device *adev = smu->adev;
1743 	int ret = 0;
1744 
1745 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1746 		if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1747 			if (smu->ppt_funcs->load_microcode) {
1748 				ret = smu->ppt_funcs->load_microcode(smu);
1749 				if (ret)
1750 					return ret;
1751 			}
1752 		}
1753 	}
1754 
1755 	if (smu->ppt_funcs->check_fw_status) {
1756 		ret = smu->ppt_funcs->check_fw_status(smu);
1757 		if (ret) {
1758 			dev_err(adev->dev, "SMC is not ready\n");
1759 			return ret;
1760 		}
1761 	}
1762 
1763 	/*
1764 	 * Send msg GetDriverIfVersion to check if the return value is equal
1765 	 * with DRIVER_IF_VERSION of smc header.
1766 	 */
1767 	ret = smu_check_fw_version(smu);
1768 	if (ret)
1769 		return ret;
1770 
1771 	return ret;
1772 }
1773 
1774 static int smu_hw_init(void *handle)
1775 {
1776 	int ret;
1777 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1778 	struct smu_context *smu = adev->powerplay.pp_handle;
1779 
1780 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1781 		smu->pm_enabled = false;
1782 		return 0;
1783 	}
1784 
1785 	ret = smu_start_smc_engine(smu);
1786 	if (ret) {
1787 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1788 		return ret;
1789 	}
1790 
1791 	/*
1792 	 * Check whether wbrf is supported. This needs to be done
1793 	 * before SMU setup starts since part of SMU configuration
1794 	 * relies on this.
1795 	 */
1796 	smu_wbrf_support_check(smu);
1797 
1798 	if (smu->is_apu) {
1799 		ret = smu_set_gfx_imu_enable(smu);
1800 		if (ret)
1801 			return ret;
1802 		smu_dpm_set_vcn_enable(smu, true);
1803 		smu_dpm_set_jpeg_enable(smu, true);
1804 		smu_dpm_set_vpe_enable(smu, true);
1805 		smu_dpm_set_umsch_mm_enable(smu, true);
1806 		smu_set_mall_enable(smu);
1807 		smu_set_gfx_cgpg(smu, true);
1808 	}
1809 
1810 	if (!smu->pm_enabled)
1811 		return 0;
1812 
1813 	ret = smu_get_driver_allowed_feature_mask(smu);
1814 	if (ret)
1815 		return ret;
1816 
1817 	ret = smu_smc_hw_setup(smu);
1818 	if (ret) {
1819 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1820 		return ret;
1821 	}
1822 
1823 	/*
1824 	 * Move maximum sustainable clock retrieving here considering
1825 	 * 1. It is not needed on resume(from S3).
1826 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1827 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1828 	 *    it cannot be put in .late_init().
1829 	 */
1830 	ret = smu_init_max_sustainable_clocks(smu);
1831 	if (ret) {
1832 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1833 		return ret;
1834 	}
1835 
1836 	adev->pm.dpm_enabled = true;
1837 
1838 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1839 
1840 	return 0;
1841 }
1842 
1843 static int smu_disable_dpms(struct smu_context *smu)
1844 {
1845 	struct amdgpu_device *adev = smu->adev;
1846 	int ret = 0;
1847 	bool use_baco = !smu->is_apu &&
1848 		((amdgpu_in_reset(adev) &&
1849 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1850 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1851 
1852 	/*
1853 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1854 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1855 	 */
1856 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1857 	case IP_VERSION(13, 0, 0):
1858 	case IP_VERSION(13, 0, 7):
1859 	case IP_VERSION(13, 0, 10):
1860 		return 0;
1861 	default:
1862 		break;
1863 	}
1864 
1865 	/*
1866 	 * For custom pptable uploading, skip the DPM features
1867 	 * disable process on Navi1x ASICs.
1868 	 *   - As the gfx related features are under control of
1869 	 *     RLC on those ASICs. RLC reinitialization will be
1870 	 *     needed to reenable them. That will cost much more
1871 	 *     efforts.
1872 	 *
1873 	 *   - SMU firmware can handle the DPM reenablement
1874 	 *     properly.
1875 	 */
1876 	if (smu->uploading_custom_pp_table) {
1877 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1878 		case IP_VERSION(11, 0, 0):
1879 		case IP_VERSION(11, 0, 5):
1880 		case IP_VERSION(11, 0, 9):
1881 		case IP_VERSION(11, 0, 7):
1882 		case IP_VERSION(11, 0, 11):
1883 		case IP_VERSION(11, 5, 0):
1884 		case IP_VERSION(11, 0, 12):
1885 		case IP_VERSION(11, 0, 13):
1886 			return 0;
1887 		default:
1888 			break;
1889 		}
1890 	}
1891 
1892 	/*
1893 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1894 	 * on BACO in. Driver involvement is unnecessary.
1895 	 */
1896 	if (use_baco) {
1897 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1898 		case IP_VERSION(11, 0, 7):
1899 		case IP_VERSION(11, 0, 0):
1900 		case IP_VERSION(11, 0, 5):
1901 		case IP_VERSION(11, 0, 9):
1902 		case IP_VERSION(13, 0, 7):
1903 			return 0;
1904 		default:
1905 			break;
1906 		}
1907 	}
1908 
1909 	/*
1910 	 * For SMU 13.0.4/11 and 14.0.0, PMFW will handle the features disablement properly
1911 	 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1912 	 */
1913 	if (amdgpu_in_reset(adev) || adev->in_s0ix) {
1914 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1915 		case IP_VERSION(13, 0, 4):
1916 		case IP_VERSION(13, 0, 11):
1917 		case IP_VERSION(14, 0, 0):
1918 		case IP_VERSION(14, 0, 1):
1919 			return 0;
1920 		default:
1921 			break;
1922 		}
1923 	}
1924 
1925 	/*
1926 	 * For gpu reset, runpm and hibernation through BACO,
1927 	 * BACO feature has to be kept enabled.
1928 	 */
1929 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1930 		ret = smu_disable_all_features_with_exception(smu,
1931 							      SMU_FEATURE_BACO_BIT);
1932 		if (ret)
1933 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1934 	} else {
1935 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1936 		if (!adev->scpm_enabled) {
1937 			ret = smu_system_features_control(smu, false);
1938 			if (ret)
1939 				dev_err(adev->dev, "Failed to disable smu features.\n");
1940 		}
1941 	}
1942 
1943 	/* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
1944 	 * otherwise SMU will hang while interacting with RLC if RLC is halted
1945 	 * this is a WA for Vangogh asic which fix the SMU hang issue.
1946 	 */
1947 	ret = smu_notify_rlc_state(smu, false);
1948 	if (ret) {
1949 		dev_err(adev->dev, "Fail to notify rlc status!\n");
1950 		return ret;
1951 	}
1952 
1953 	if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
1954 	    !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
1955 	    !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1956 		adev->gfx.rlc.funcs->stop(adev);
1957 
1958 	return ret;
1959 }
1960 
1961 static int smu_smc_hw_cleanup(struct smu_context *smu)
1962 {
1963 	struct amdgpu_device *adev = smu->adev;
1964 	int ret = 0;
1965 
1966 	smu_wbrf_fini(smu);
1967 
1968 	cancel_work_sync(&smu->throttling_logging_work);
1969 	cancel_work_sync(&smu->interrupt_work);
1970 
1971 	ret = smu_disable_thermal_alert(smu);
1972 	if (ret) {
1973 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
1974 		return ret;
1975 	}
1976 
1977 	cancel_delayed_work_sync(&smu->swctf_delayed_work);
1978 
1979 	ret = smu_disable_dpms(smu);
1980 	if (ret) {
1981 		dev_err(adev->dev, "Fail to disable dpm features!\n");
1982 		return ret;
1983 	}
1984 
1985 	return 0;
1986 }
1987 
1988 static int smu_reset_mp1_state(struct smu_context *smu)
1989 {
1990 	struct amdgpu_device *adev = smu->adev;
1991 	int ret = 0;
1992 
1993 	if ((!adev->in_runpm) && (!adev->in_suspend) &&
1994 		(!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
1995 									IP_VERSION(13, 0, 10) &&
1996 		!amdgpu_device_has_display_hardware(adev))
1997 		ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
1998 
1999 	return ret;
2000 }
2001 
2002 static int smu_hw_fini(void *handle)
2003 {
2004 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2005 	struct smu_context *smu = adev->powerplay.pp_handle;
2006 	int ret;
2007 
2008 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2009 		return 0;
2010 
2011 	smu_dpm_set_vcn_enable(smu, false);
2012 	smu_dpm_set_jpeg_enable(smu, false);
2013 	smu_dpm_set_vpe_enable(smu, false);
2014 	smu_dpm_set_umsch_mm_enable(smu, false);
2015 
2016 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
2017 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2018 
2019 	if (!smu->pm_enabled)
2020 		return 0;
2021 
2022 	adev->pm.dpm_enabled = false;
2023 
2024 	ret = smu_smc_hw_cleanup(smu);
2025 	if (ret)
2026 		return ret;
2027 
2028 	ret = smu_reset_mp1_state(smu);
2029 	if (ret)
2030 		return ret;
2031 
2032 	return 0;
2033 }
2034 
2035 static void smu_late_fini(void *handle)
2036 {
2037 	struct amdgpu_device *adev = handle;
2038 	struct smu_context *smu = adev->powerplay.pp_handle;
2039 
2040 	kfree(smu);
2041 }
2042 
2043 static int smu_reset(struct smu_context *smu)
2044 {
2045 	struct amdgpu_device *adev = smu->adev;
2046 	int ret;
2047 
2048 	ret = smu_hw_fini(adev);
2049 	if (ret)
2050 		return ret;
2051 
2052 	ret = smu_hw_init(adev);
2053 	if (ret)
2054 		return ret;
2055 
2056 	ret = smu_late_init(adev);
2057 	if (ret)
2058 		return ret;
2059 
2060 	return 0;
2061 }
2062 
2063 static int smu_suspend(void *handle)
2064 {
2065 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2066 	struct smu_context *smu = adev->powerplay.pp_handle;
2067 	int ret;
2068 	uint64_t count;
2069 
2070 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2071 		return 0;
2072 
2073 	if (!smu->pm_enabled)
2074 		return 0;
2075 
2076 	adev->pm.dpm_enabled = false;
2077 
2078 	ret = smu_smc_hw_cleanup(smu);
2079 	if (ret)
2080 		return ret;
2081 
2082 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2083 
2084 	smu_set_gfx_cgpg(smu, false);
2085 
2086 	/*
2087 	 * pwfw resets entrycount when device is suspended, so we save the
2088 	 * last value to be used when we resume to keep it consistent
2089 	 */
2090 	ret = smu_get_entrycount_gfxoff(smu, &count);
2091 	if (!ret)
2092 		adev->gfx.gfx_off_entrycount = count;
2093 
2094 	return 0;
2095 }
2096 
2097 static int smu_resume(void *handle)
2098 {
2099 	int ret;
2100 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2101 	struct smu_context *smu = adev->powerplay.pp_handle;
2102 
2103 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
2104 		return 0;
2105 
2106 	if (!smu->pm_enabled)
2107 		return 0;
2108 
2109 	dev_info(adev->dev, "SMU is resuming...\n");
2110 
2111 	ret = smu_start_smc_engine(smu);
2112 	if (ret) {
2113 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
2114 		return ret;
2115 	}
2116 
2117 	ret = smu_smc_hw_setup(smu);
2118 	if (ret) {
2119 		dev_err(adev->dev, "Failed to setup smc hw!\n");
2120 		return ret;
2121 	}
2122 
2123 	ret = smu_set_gfx_imu_enable(smu);
2124 	if (ret)
2125 		return ret;
2126 
2127 	smu_set_gfx_cgpg(smu, true);
2128 
2129 	smu->disable_uclk_switch = 0;
2130 
2131 	adev->pm.dpm_enabled = true;
2132 
2133 	dev_info(adev->dev, "SMU is resumed successfully!\n");
2134 
2135 	return 0;
2136 }
2137 
2138 static int smu_display_configuration_change(void *handle,
2139 					    const struct amd_pp_display_configuration *display_config)
2140 {
2141 	struct smu_context *smu = handle;
2142 
2143 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2144 		return -EOPNOTSUPP;
2145 
2146 	if (!display_config)
2147 		return -EINVAL;
2148 
2149 	smu_set_min_dcef_deep_sleep(smu,
2150 				    display_config->min_dcef_deep_sleep_set_clk / 100);
2151 
2152 	return 0;
2153 }
2154 
2155 static int smu_set_clockgating_state(void *handle,
2156 				     enum amd_clockgating_state state)
2157 {
2158 	return 0;
2159 }
2160 
2161 static int smu_set_powergating_state(void *handle,
2162 				     enum amd_powergating_state state)
2163 {
2164 	return 0;
2165 }
2166 
2167 static int smu_enable_umd_pstate(void *handle,
2168 		      enum amd_dpm_forced_level *level)
2169 {
2170 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2171 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2172 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2173 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2174 
2175 	struct smu_context *smu = (struct smu_context*)(handle);
2176 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2177 
2178 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2179 		return -EINVAL;
2180 
2181 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2182 		/* enter umd pstate, save current level, disable gfx cg*/
2183 		if (*level & profile_mode_mask) {
2184 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2185 			smu_gpo_control(smu, false);
2186 			smu_gfx_ulv_control(smu, false);
2187 			smu_deep_sleep_control(smu, false);
2188 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2189 		}
2190 	} else {
2191 		/* exit umd pstate, restore level, enable gfx cg*/
2192 		if (!(*level & profile_mode_mask)) {
2193 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2194 				*level = smu_dpm_ctx->saved_dpm_level;
2195 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2196 			smu_deep_sleep_control(smu, true);
2197 			smu_gfx_ulv_control(smu, true);
2198 			smu_gpo_control(smu, true);
2199 		}
2200 	}
2201 
2202 	return 0;
2203 }
2204 
2205 static int smu_bump_power_profile_mode(struct smu_context *smu,
2206 					   long *param,
2207 					   uint32_t param_size)
2208 {
2209 	int ret = 0;
2210 
2211 	if (smu->ppt_funcs->set_power_profile_mode)
2212 		ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
2213 
2214 	return ret;
2215 }
2216 
2217 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2218 				   enum amd_dpm_forced_level level,
2219 				   bool skip_display_settings)
2220 {
2221 	int ret = 0;
2222 	int index = 0;
2223 	long workload;
2224 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2225 
2226 	if (!skip_display_settings) {
2227 		ret = smu_display_config_changed(smu);
2228 		if (ret) {
2229 			dev_err(smu->adev->dev, "Failed to change display config!");
2230 			return ret;
2231 		}
2232 	}
2233 
2234 	ret = smu_apply_clocks_adjust_rules(smu);
2235 	if (ret) {
2236 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2237 		return ret;
2238 	}
2239 
2240 	if (!skip_display_settings) {
2241 		ret = smu_notify_smc_display_config(smu);
2242 		if (ret) {
2243 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
2244 			return ret;
2245 		}
2246 	}
2247 
2248 	if (smu_dpm_ctx->dpm_level != level) {
2249 		ret = smu_asic_set_performance_level(smu, level);
2250 		if (ret) {
2251 			dev_err(smu->adev->dev, "Failed to set performance level!");
2252 			return ret;
2253 		}
2254 
2255 		/* update the saved copy */
2256 		smu_dpm_ctx->dpm_level = level;
2257 	}
2258 
2259 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2260 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2261 		index = fls(smu->workload_mask);
2262 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2263 		workload = smu->workload_setting[index];
2264 
2265 		if (smu->power_profile_mode != workload)
2266 			smu_bump_power_profile_mode(smu, &workload, 0);
2267 	}
2268 
2269 	return ret;
2270 }
2271 
2272 static int smu_handle_task(struct smu_context *smu,
2273 			   enum amd_dpm_forced_level level,
2274 			   enum amd_pp_task task_id)
2275 {
2276 	int ret = 0;
2277 
2278 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2279 		return -EOPNOTSUPP;
2280 
2281 	switch (task_id) {
2282 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2283 		ret = smu_pre_display_config_changed(smu);
2284 		if (ret)
2285 			return ret;
2286 		ret = smu_adjust_power_state_dynamic(smu, level, false);
2287 		break;
2288 	case AMD_PP_TASK_COMPLETE_INIT:
2289 	case AMD_PP_TASK_READJUST_POWER_STATE:
2290 		ret = smu_adjust_power_state_dynamic(smu, level, true);
2291 		break;
2292 	default:
2293 		break;
2294 	}
2295 
2296 	return ret;
2297 }
2298 
2299 static int smu_handle_dpm_task(void *handle,
2300 			       enum amd_pp_task task_id,
2301 			       enum amd_pm_state_type *user_state)
2302 {
2303 	struct smu_context *smu = handle;
2304 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2305 
2306 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2307 
2308 }
2309 
2310 static int smu_switch_power_profile(void *handle,
2311 				    enum PP_SMC_POWER_PROFILE type,
2312 				    bool en)
2313 {
2314 	struct smu_context *smu = handle;
2315 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2316 	long workload;
2317 	uint32_t index;
2318 
2319 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2320 		return -EOPNOTSUPP;
2321 
2322 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2323 		return -EINVAL;
2324 
2325 	if (!en) {
2326 		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
2327 		index = fls(smu->workload_mask);
2328 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2329 		workload = smu->workload_setting[index];
2330 	} else {
2331 		smu->workload_mask |= (1 << smu->workload_prority[type]);
2332 		index = fls(smu->workload_mask);
2333 		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2334 		workload = smu->workload_setting[index];
2335 	}
2336 
2337 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2338 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2339 		smu_bump_power_profile_mode(smu, &workload, 0);
2340 
2341 	return 0;
2342 }
2343 
2344 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2345 {
2346 	struct smu_context *smu = handle;
2347 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2348 
2349 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2350 		return -EOPNOTSUPP;
2351 
2352 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2353 		return -EINVAL;
2354 
2355 	return smu_dpm_ctx->dpm_level;
2356 }
2357 
2358 static int smu_force_performance_level(void *handle,
2359 				       enum amd_dpm_forced_level level)
2360 {
2361 	struct smu_context *smu = handle;
2362 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2363 	int ret = 0;
2364 
2365 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2366 		return -EOPNOTSUPP;
2367 
2368 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2369 		return -EINVAL;
2370 
2371 	ret = smu_enable_umd_pstate(smu, &level);
2372 	if (ret)
2373 		return ret;
2374 
2375 	ret = smu_handle_task(smu, level,
2376 			      AMD_PP_TASK_READJUST_POWER_STATE);
2377 
2378 	/* reset user dpm clock state */
2379 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2380 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2381 		smu->user_dpm_profile.clk_dependency = 0;
2382 	}
2383 
2384 	return ret;
2385 }
2386 
2387 static int smu_set_display_count(void *handle, uint32_t count)
2388 {
2389 	struct smu_context *smu = handle;
2390 
2391 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2392 		return -EOPNOTSUPP;
2393 
2394 	return smu_init_display_count(smu, count);
2395 }
2396 
2397 static int smu_force_smuclk_levels(struct smu_context *smu,
2398 			 enum smu_clk_type clk_type,
2399 			 uint32_t mask)
2400 {
2401 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2402 	int ret = 0;
2403 
2404 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2405 		return -EOPNOTSUPP;
2406 
2407 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2408 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2409 		return -EINVAL;
2410 	}
2411 
2412 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2413 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2414 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2415 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
2416 			smu_set_user_clk_dependencies(smu, clk_type);
2417 		}
2418 	}
2419 
2420 	return ret;
2421 }
2422 
2423 static int smu_force_ppclk_levels(void *handle,
2424 				  enum pp_clock_type type,
2425 				  uint32_t mask)
2426 {
2427 	struct smu_context *smu = handle;
2428 	enum smu_clk_type clk_type;
2429 
2430 	switch (type) {
2431 	case PP_SCLK:
2432 		clk_type = SMU_SCLK; break;
2433 	case PP_MCLK:
2434 		clk_type = SMU_MCLK; break;
2435 	case PP_PCIE:
2436 		clk_type = SMU_PCIE; break;
2437 	case PP_SOCCLK:
2438 		clk_type = SMU_SOCCLK; break;
2439 	case PP_FCLK:
2440 		clk_type = SMU_FCLK; break;
2441 	case PP_DCEFCLK:
2442 		clk_type = SMU_DCEFCLK; break;
2443 	case PP_VCLK:
2444 		clk_type = SMU_VCLK; break;
2445 	case PP_VCLK1:
2446 		clk_type = SMU_VCLK1; break;
2447 	case PP_DCLK:
2448 		clk_type = SMU_DCLK; break;
2449 	case PP_DCLK1:
2450 		clk_type = SMU_DCLK1; break;
2451 	case OD_SCLK:
2452 		clk_type = SMU_OD_SCLK; break;
2453 	case OD_MCLK:
2454 		clk_type = SMU_OD_MCLK; break;
2455 	case OD_VDDC_CURVE:
2456 		clk_type = SMU_OD_VDDC_CURVE; break;
2457 	case OD_RANGE:
2458 		clk_type = SMU_OD_RANGE; break;
2459 	default:
2460 		return -EINVAL;
2461 	}
2462 
2463 	return smu_force_smuclk_levels(smu, clk_type, mask);
2464 }
2465 
2466 /*
2467  * On system suspending or resetting, the dpm_enabled
2468  * flag will be cleared. So that those SMU services which
2469  * are not supported will be gated.
2470  * However, the mp1 state setting should still be granted
2471  * even if the dpm_enabled cleared.
2472  */
2473 static int smu_set_mp1_state(void *handle,
2474 			     enum pp_mp1_state mp1_state)
2475 {
2476 	struct smu_context *smu = handle;
2477 	int ret = 0;
2478 
2479 	if (!smu->pm_enabled)
2480 		return -EOPNOTSUPP;
2481 
2482 	if (smu->ppt_funcs &&
2483 	    smu->ppt_funcs->set_mp1_state)
2484 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2485 
2486 	return ret;
2487 }
2488 
2489 static int smu_set_df_cstate(void *handle,
2490 			     enum pp_df_cstate state)
2491 {
2492 	struct smu_context *smu = handle;
2493 	int ret = 0;
2494 
2495 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2496 		return -EOPNOTSUPP;
2497 
2498 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2499 		return 0;
2500 
2501 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2502 	if (ret)
2503 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2504 
2505 	return ret;
2506 }
2507 
2508 int smu_write_watermarks_table(struct smu_context *smu)
2509 {
2510 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2511 		return -EOPNOTSUPP;
2512 
2513 	return smu_set_watermarks_table(smu, NULL);
2514 }
2515 
2516 static int smu_set_watermarks_for_clock_ranges(void *handle,
2517 					       struct pp_smu_wm_range_sets *clock_ranges)
2518 {
2519 	struct smu_context *smu = handle;
2520 
2521 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2522 		return -EOPNOTSUPP;
2523 
2524 	if (smu->disable_watermark)
2525 		return 0;
2526 
2527 	return smu_set_watermarks_table(smu, clock_ranges);
2528 }
2529 
2530 int smu_set_ac_dc(struct smu_context *smu)
2531 {
2532 	int ret = 0;
2533 
2534 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2535 		return -EOPNOTSUPP;
2536 
2537 	/* controlled by firmware */
2538 	if (smu->dc_controlled_by_gpio)
2539 		return 0;
2540 
2541 	ret = smu_set_power_source(smu,
2542 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2543 				   SMU_POWER_SOURCE_DC);
2544 	if (ret)
2545 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2546 		       smu->adev->pm.ac_power ? "AC" : "DC");
2547 
2548 	return ret;
2549 }
2550 
2551 const struct amd_ip_funcs smu_ip_funcs = {
2552 	.name = "smu",
2553 	.early_init = smu_early_init,
2554 	.late_init = smu_late_init,
2555 	.sw_init = smu_sw_init,
2556 	.sw_fini = smu_sw_fini,
2557 	.hw_init = smu_hw_init,
2558 	.hw_fini = smu_hw_fini,
2559 	.late_fini = smu_late_fini,
2560 	.suspend = smu_suspend,
2561 	.resume = smu_resume,
2562 	.is_idle = NULL,
2563 	.check_soft_reset = NULL,
2564 	.wait_for_idle = NULL,
2565 	.soft_reset = NULL,
2566 	.set_clockgating_state = smu_set_clockgating_state,
2567 	.set_powergating_state = smu_set_powergating_state,
2568 };
2569 
2570 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2571 	.type = AMD_IP_BLOCK_TYPE_SMC,
2572 	.major = 11,
2573 	.minor = 0,
2574 	.rev = 0,
2575 	.funcs = &smu_ip_funcs,
2576 };
2577 
2578 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2579 	.type = AMD_IP_BLOCK_TYPE_SMC,
2580 	.major = 12,
2581 	.minor = 0,
2582 	.rev = 0,
2583 	.funcs = &smu_ip_funcs,
2584 };
2585 
2586 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2587 	.type = AMD_IP_BLOCK_TYPE_SMC,
2588 	.major = 13,
2589 	.minor = 0,
2590 	.rev = 0,
2591 	.funcs = &smu_ip_funcs,
2592 };
2593 
2594 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2595 	.type = AMD_IP_BLOCK_TYPE_SMC,
2596 	.major = 14,
2597 	.minor = 0,
2598 	.rev = 0,
2599 	.funcs = &smu_ip_funcs,
2600 };
2601 
2602 static int smu_load_microcode(void *handle)
2603 {
2604 	struct smu_context *smu = handle;
2605 	struct amdgpu_device *adev = smu->adev;
2606 	int ret = 0;
2607 
2608 	if (!smu->pm_enabled)
2609 		return -EOPNOTSUPP;
2610 
2611 	/* This should be used for non PSP loading */
2612 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2613 		return 0;
2614 
2615 	if (smu->ppt_funcs->load_microcode) {
2616 		ret = smu->ppt_funcs->load_microcode(smu);
2617 		if (ret) {
2618 			dev_err(adev->dev, "Load microcode failed\n");
2619 			return ret;
2620 		}
2621 	}
2622 
2623 	if (smu->ppt_funcs->check_fw_status) {
2624 		ret = smu->ppt_funcs->check_fw_status(smu);
2625 		if (ret) {
2626 			dev_err(adev->dev, "SMC is not ready\n");
2627 			return ret;
2628 		}
2629 	}
2630 
2631 	return ret;
2632 }
2633 
2634 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2635 {
2636 	int ret = 0;
2637 
2638 	if (smu->ppt_funcs->set_gfx_cgpg)
2639 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2640 
2641 	return ret;
2642 }
2643 
2644 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2645 {
2646 	struct smu_context *smu = handle;
2647 	int ret = 0;
2648 
2649 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2650 		return -EOPNOTSUPP;
2651 
2652 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2653 		return -EOPNOTSUPP;
2654 
2655 	if (speed == U32_MAX)
2656 		return -EINVAL;
2657 
2658 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2659 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2660 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2661 		smu->user_dpm_profile.fan_speed_rpm = speed;
2662 
2663 		/* Override custom PWM setting as they cannot co-exist */
2664 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2665 		smu->user_dpm_profile.fan_speed_pwm = 0;
2666 	}
2667 
2668 	return ret;
2669 }
2670 
2671 /**
2672  * smu_get_power_limit - Request one of the SMU Power Limits
2673  *
2674  * @handle: pointer to smu context
2675  * @limit: requested limit is written back to this variable
2676  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2677  * @pp_power_type: &pp_power_type type of power
2678  * Return:  0 on success, <0 on error
2679  *
2680  */
2681 int smu_get_power_limit(void *handle,
2682 			uint32_t *limit,
2683 			enum pp_power_limit_level pp_limit_level,
2684 			enum pp_power_type pp_power_type)
2685 {
2686 	struct smu_context *smu = handle;
2687 	struct amdgpu_device *adev = smu->adev;
2688 	enum smu_ppt_limit_level limit_level;
2689 	uint32_t limit_type;
2690 	int ret = 0;
2691 
2692 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2693 		return -EOPNOTSUPP;
2694 
2695 	switch (pp_power_type) {
2696 	case PP_PWR_TYPE_SUSTAINED:
2697 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2698 		break;
2699 	case PP_PWR_TYPE_FAST:
2700 		limit_type = SMU_FAST_PPT_LIMIT;
2701 		break;
2702 	default:
2703 		return -EOPNOTSUPP;
2704 	}
2705 
2706 	switch (pp_limit_level) {
2707 	case PP_PWR_LIMIT_CURRENT:
2708 		limit_level = SMU_PPT_LIMIT_CURRENT;
2709 		break;
2710 	case PP_PWR_LIMIT_DEFAULT:
2711 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2712 		break;
2713 	case PP_PWR_LIMIT_MAX:
2714 		limit_level = SMU_PPT_LIMIT_MAX;
2715 		break;
2716 	case PP_PWR_LIMIT_MIN:
2717 		limit_level = SMU_PPT_LIMIT_MIN;
2718 		break;
2719 	default:
2720 		return -EOPNOTSUPP;
2721 	}
2722 
2723 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2724 		if (smu->ppt_funcs->get_ppt_limit)
2725 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2726 	} else {
2727 		switch (limit_level) {
2728 		case SMU_PPT_LIMIT_CURRENT:
2729 			switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2730 			case IP_VERSION(13, 0, 2):
2731 			case IP_VERSION(13, 0, 6):
2732 			case IP_VERSION(11, 0, 7):
2733 			case IP_VERSION(11, 0, 11):
2734 			case IP_VERSION(11, 0, 12):
2735 			case IP_VERSION(11, 0, 13):
2736 				ret = smu_get_asic_power_limits(smu,
2737 								&smu->current_power_limit,
2738 								NULL, NULL, NULL);
2739 				break;
2740 			default:
2741 				break;
2742 			}
2743 			*limit = smu->current_power_limit;
2744 			break;
2745 		case SMU_PPT_LIMIT_DEFAULT:
2746 			*limit = smu->default_power_limit;
2747 			break;
2748 		case SMU_PPT_LIMIT_MAX:
2749 			*limit = smu->max_power_limit;
2750 			break;
2751 		case SMU_PPT_LIMIT_MIN:
2752 			*limit = smu->min_power_limit;
2753 			break;
2754 		default:
2755 			return -EINVAL;
2756 		}
2757 	}
2758 
2759 	return ret;
2760 }
2761 
2762 static int smu_set_power_limit(void *handle, uint32_t limit)
2763 {
2764 	struct smu_context *smu = handle;
2765 	uint32_t limit_type = limit >> 24;
2766 	int ret = 0;
2767 
2768 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2769 		return -EOPNOTSUPP;
2770 
2771 	limit &= (1<<24)-1;
2772 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2773 		if (smu->ppt_funcs->set_power_limit)
2774 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2775 
2776 	if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2777 		dev_err(smu->adev->dev,
2778 			"New power limit (%d) is out of range [%d,%d]\n",
2779 			limit, smu->min_power_limit, smu->max_power_limit);
2780 		return -EINVAL;
2781 	}
2782 
2783 	if (!limit)
2784 		limit = smu->current_power_limit;
2785 
2786 	if (smu->ppt_funcs->set_power_limit) {
2787 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2788 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2789 			smu->user_dpm_profile.power_limit = limit;
2790 	}
2791 
2792 	return ret;
2793 }
2794 
2795 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2796 {
2797 	int ret = 0;
2798 
2799 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2800 		return -EOPNOTSUPP;
2801 
2802 	if (smu->ppt_funcs->print_clk_levels)
2803 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2804 
2805 	return ret;
2806 }
2807 
2808 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2809 {
2810 	enum smu_clk_type clk_type;
2811 
2812 	switch (type) {
2813 	case PP_SCLK:
2814 		clk_type = SMU_SCLK; break;
2815 	case PP_MCLK:
2816 		clk_type = SMU_MCLK; break;
2817 	case PP_PCIE:
2818 		clk_type = SMU_PCIE; break;
2819 	case PP_SOCCLK:
2820 		clk_type = SMU_SOCCLK; break;
2821 	case PP_FCLK:
2822 		clk_type = SMU_FCLK; break;
2823 	case PP_DCEFCLK:
2824 		clk_type = SMU_DCEFCLK; break;
2825 	case PP_VCLK:
2826 		clk_type = SMU_VCLK; break;
2827 	case PP_VCLK1:
2828 		clk_type = SMU_VCLK1; break;
2829 	case PP_DCLK:
2830 		clk_type = SMU_DCLK; break;
2831 	case PP_DCLK1:
2832 		clk_type = SMU_DCLK1; break;
2833 	case OD_SCLK:
2834 		clk_type = SMU_OD_SCLK; break;
2835 	case OD_MCLK:
2836 		clk_type = SMU_OD_MCLK; break;
2837 	case OD_VDDC_CURVE:
2838 		clk_type = SMU_OD_VDDC_CURVE; break;
2839 	case OD_RANGE:
2840 		clk_type = SMU_OD_RANGE; break;
2841 	case OD_VDDGFX_OFFSET:
2842 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2843 	case OD_CCLK:
2844 		clk_type = SMU_OD_CCLK; break;
2845 	case OD_FAN_CURVE:
2846 		clk_type = SMU_OD_FAN_CURVE; break;
2847 	case OD_ACOUSTIC_LIMIT:
2848 		clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
2849 	case OD_ACOUSTIC_TARGET:
2850 		clk_type = SMU_OD_ACOUSTIC_TARGET; break;
2851 	case OD_FAN_TARGET_TEMPERATURE:
2852 		clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
2853 	case OD_FAN_MINIMUM_PWM:
2854 		clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
2855 	default:
2856 		clk_type = SMU_CLK_COUNT; break;
2857 	}
2858 
2859 	return clk_type;
2860 }
2861 
2862 static int smu_print_ppclk_levels(void *handle,
2863 				  enum pp_clock_type type,
2864 				  char *buf)
2865 {
2866 	struct smu_context *smu = handle;
2867 	enum smu_clk_type clk_type;
2868 
2869 	clk_type = smu_convert_to_smuclk(type);
2870 	if (clk_type == SMU_CLK_COUNT)
2871 		return -EINVAL;
2872 
2873 	return smu_print_smuclk_levels(smu, clk_type, buf);
2874 }
2875 
2876 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2877 {
2878 	struct smu_context *smu = handle;
2879 	enum smu_clk_type clk_type;
2880 
2881 	clk_type = smu_convert_to_smuclk(type);
2882 	if (clk_type == SMU_CLK_COUNT)
2883 		return -EINVAL;
2884 
2885 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2886 		return -EOPNOTSUPP;
2887 
2888 	if (!smu->ppt_funcs->emit_clk_levels)
2889 		return -ENOENT;
2890 
2891 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2892 
2893 }
2894 
2895 static int smu_od_edit_dpm_table(void *handle,
2896 				 enum PP_OD_DPM_TABLE_COMMAND type,
2897 				 long *input, uint32_t size)
2898 {
2899 	struct smu_context *smu = handle;
2900 	int ret = 0;
2901 
2902 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2903 		return -EOPNOTSUPP;
2904 
2905 	if (smu->ppt_funcs->od_edit_dpm_table) {
2906 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2907 	}
2908 
2909 	return ret;
2910 }
2911 
2912 static int smu_read_sensor(void *handle,
2913 			   int sensor,
2914 			   void *data,
2915 			   int *size_arg)
2916 {
2917 	struct smu_context *smu = handle;
2918 	struct smu_umd_pstate_table *pstate_table =
2919 				&smu->pstate_table;
2920 	int ret = 0;
2921 	uint32_t *size, size_val;
2922 
2923 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2924 		return -EOPNOTSUPP;
2925 
2926 	if (!data || !size_arg)
2927 		return -EINVAL;
2928 
2929 	size_val = *size_arg;
2930 	size = &size_val;
2931 
2932 	if (smu->ppt_funcs->read_sensor)
2933 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2934 			goto unlock;
2935 
2936 	switch (sensor) {
2937 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2938 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2939 		*size = 4;
2940 		break;
2941 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2942 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2943 		*size = 4;
2944 		break;
2945 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2946 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2947 		*size = 4;
2948 		break;
2949 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2950 		*((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2951 		*size = 4;
2952 		break;
2953 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2954 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2955 		*size = 8;
2956 		break;
2957 	case AMDGPU_PP_SENSOR_UVD_POWER:
2958 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2959 		*size = 4;
2960 		break;
2961 	case AMDGPU_PP_SENSOR_VCE_POWER:
2962 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2963 		*size = 4;
2964 		break;
2965 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2966 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
2967 		*size = 4;
2968 		break;
2969 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2970 		*(uint32_t *)data = 0;
2971 		*size = 4;
2972 		break;
2973 	default:
2974 		*size = 0;
2975 		ret = -EOPNOTSUPP;
2976 		break;
2977 	}
2978 
2979 unlock:
2980 	// assign uint32_t to int
2981 	*size_arg = size_val;
2982 
2983 	return ret;
2984 }
2985 
2986 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
2987 {
2988 	int ret = -EOPNOTSUPP;
2989 	struct smu_context *smu = handle;
2990 
2991 	if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
2992 		ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
2993 
2994 	return ret;
2995 }
2996 
2997 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
2998 {
2999 	int ret = -EOPNOTSUPP;
3000 	struct smu_context *smu = handle;
3001 
3002 	if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
3003 		ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
3004 
3005 	return ret;
3006 }
3007 
3008 static int smu_get_power_profile_mode(void *handle, char *buf)
3009 {
3010 	struct smu_context *smu = handle;
3011 
3012 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3013 	    !smu->ppt_funcs->get_power_profile_mode)
3014 		return -EOPNOTSUPP;
3015 	if (!buf)
3016 		return -EINVAL;
3017 
3018 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3019 }
3020 
3021 static int smu_set_power_profile_mode(void *handle,
3022 				      long *param,
3023 				      uint32_t param_size)
3024 {
3025 	struct smu_context *smu = handle;
3026 
3027 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3028 	    !smu->ppt_funcs->set_power_profile_mode)
3029 		return -EOPNOTSUPP;
3030 
3031 	return smu_bump_power_profile_mode(smu, param, param_size);
3032 }
3033 
3034 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3035 {
3036 	struct smu_context *smu = handle;
3037 
3038 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3039 		return -EOPNOTSUPP;
3040 
3041 	if (!smu->ppt_funcs->get_fan_control_mode)
3042 		return -EOPNOTSUPP;
3043 
3044 	if (!fan_mode)
3045 		return -EINVAL;
3046 
3047 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3048 
3049 	return 0;
3050 }
3051 
3052 static int smu_set_fan_control_mode(void *handle, u32 value)
3053 {
3054 	struct smu_context *smu = handle;
3055 	int ret = 0;
3056 
3057 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3058 		return -EOPNOTSUPP;
3059 
3060 	if (!smu->ppt_funcs->set_fan_control_mode)
3061 		return -EOPNOTSUPP;
3062 
3063 	if (value == U32_MAX)
3064 		return -EINVAL;
3065 
3066 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3067 	if (ret)
3068 		goto out;
3069 
3070 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3071 		smu->user_dpm_profile.fan_mode = value;
3072 
3073 		/* reset user dpm fan speed */
3074 		if (value != AMD_FAN_CTRL_MANUAL) {
3075 			smu->user_dpm_profile.fan_speed_pwm = 0;
3076 			smu->user_dpm_profile.fan_speed_rpm = 0;
3077 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3078 		}
3079 	}
3080 
3081 out:
3082 	return ret;
3083 }
3084 
3085 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3086 {
3087 	struct smu_context *smu = handle;
3088 	int ret = 0;
3089 
3090 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3091 		return -EOPNOTSUPP;
3092 
3093 	if (!smu->ppt_funcs->get_fan_speed_pwm)
3094 		return -EOPNOTSUPP;
3095 
3096 	if (!speed)
3097 		return -EINVAL;
3098 
3099 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3100 
3101 	return ret;
3102 }
3103 
3104 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3105 {
3106 	struct smu_context *smu = handle;
3107 	int ret = 0;
3108 
3109 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3110 		return -EOPNOTSUPP;
3111 
3112 	if (!smu->ppt_funcs->set_fan_speed_pwm)
3113 		return -EOPNOTSUPP;
3114 
3115 	if (speed == U32_MAX)
3116 		return -EINVAL;
3117 
3118 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3119 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3120 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3121 		smu->user_dpm_profile.fan_speed_pwm = speed;
3122 
3123 		/* Override custom RPM setting as they cannot co-exist */
3124 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3125 		smu->user_dpm_profile.fan_speed_rpm = 0;
3126 	}
3127 
3128 	return ret;
3129 }
3130 
3131 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3132 {
3133 	struct smu_context *smu = handle;
3134 	int ret = 0;
3135 
3136 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3137 		return -EOPNOTSUPP;
3138 
3139 	if (!smu->ppt_funcs->get_fan_speed_rpm)
3140 		return -EOPNOTSUPP;
3141 
3142 	if (!speed)
3143 		return -EINVAL;
3144 
3145 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3146 
3147 	return ret;
3148 }
3149 
3150 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3151 {
3152 	struct smu_context *smu = handle;
3153 
3154 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3155 		return -EOPNOTSUPP;
3156 
3157 	return smu_set_min_dcef_deep_sleep(smu, clk);
3158 }
3159 
3160 static int smu_get_clock_by_type_with_latency(void *handle,
3161 					      enum amd_pp_clock_type type,
3162 					      struct pp_clock_levels_with_latency *clocks)
3163 {
3164 	struct smu_context *smu = handle;
3165 	enum smu_clk_type clk_type;
3166 	int ret = 0;
3167 
3168 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3169 		return -EOPNOTSUPP;
3170 
3171 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3172 		switch (type) {
3173 		case amd_pp_sys_clock:
3174 			clk_type = SMU_GFXCLK;
3175 			break;
3176 		case amd_pp_mem_clock:
3177 			clk_type = SMU_MCLK;
3178 			break;
3179 		case amd_pp_dcef_clock:
3180 			clk_type = SMU_DCEFCLK;
3181 			break;
3182 		case amd_pp_disp_clock:
3183 			clk_type = SMU_DISPCLK;
3184 			break;
3185 		default:
3186 			dev_err(smu->adev->dev, "Invalid clock type!\n");
3187 			return -EINVAL;
3188 		}
3189 
3190 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3191 	}
3192 
3193 	return ret;
3194 }
3195 
3196 static int smu_display_clock_voltage_request(void *handle,
3197 					     struct pp_display_clock_request *clock_req)
3198 {
3199 	struct smu_context *smu = handle;
3200 	int ret = 0;
3201 
3202 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3203 		return -EOPNOTSUPP;
3204 
3205 	if (smu->ppt_funcs->display_clock_voltage_request)
3206 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3207 
3208 	return ret;
3209 }
3210 
3211 
3212 static int smu_display_disable_memory_clock_switch(void *handle,
3213 						   bool disable_memory_clock_switch)
3214 {
3215 	struct smu_context *smu = handle;
3216 	int ret = -EINVAL;
3217 
3218 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3219 		return -EOPNOTSUPP;
3220 
3221 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
3222 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3223 
3224 	return ret;
3225 }
3226 
3227 static int smu_set_xgmi_pstate(void *handle,
3228 			       uint32_t pstate)
3229 {
3230 	struct smu_context *smu = handle;
3231 	int ret = 0;
3232 
3233 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3234 		return -EOPNOTSUPP;
3235 
3236 	if (smu->ppt_funcs->set_xgmi_pstate)
3237 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3238 
3239 	if (ret)
3240 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3241 
3242 	return ret;
3243 }
3244 
3245 static int smu_get_baco_capability(void *handle)
3246 {
3247 	struct smu_context *smu = handle;
3248 
3249 	if (!smu->pm_enabled)
3250 		return false;
3251 
3252 	if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3253 		return false;
3254 
3255 	return smu->ppt_funcs->get_bamaco_support(smu);
3256 }
3257 
3258 static int smu_baco_set_state(void *handle, int state)
3259 {
3260 	struct smu_context *smu = handle;
3261 	int ret = 0;
3262 
3263 	if (!smu->pm_enabled)
3264 		return -EOPNOTSUPP;
3265 
3266 	if (state == 0) {
3267 		if (smu->ppt_funcs->baco_exit)
3268 			ret = smu->ppt_funcs->baco_exit(smu);
3269 	} else if (state == 1) {
3270 		if (smu->ppt_funcs->baco_enter)
3271 			ret = smu->ppt_funcs->baco_enter(smu);
3272 	} else {
3273 		return -EINVAL;
3274 	}
3275 
3276 	if (ret)
3277 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3278 				(state)?"enter":"exit");
3279 
3280 	return ret;
3281 }
3282 
3283 bool smu_mode1_reset_is_support(struct smu_context *smu)
3284 {
3285 	bool ret = false;
3286 
3287 	if (!smu->pm_enabled)
3288 		return false;
3289 
3290 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3291 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3292 
3293 	return ret;
3294 }
3295 
3296 bool smu_mode2_reset_is_support(struct smu_context *smu)
3297 {
3298 	bool ret = false;
3299 
3300 	if (!smu->pm_enabled)
3301 		return false;
3302 
3303 	if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
3304 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
3305 
3306 	return ret;
3307 }
3308 
3309 int smu_mode1_reset(struct smu_context *smu)
3310 {
3311 	int ret = 0;
3312 
3313 	if (!smu->pm_enabled)
3314 		return -EOPNOTSUPP;
3315 
3316 	if (smu->ppt_funcs->mode1_reset)
3317 		ret = smu->ppt_funcs->mode1_reset(smu);
3318 
3319 	return ret;
3320 }
3321 
3322 static int smu_mode2_reset(void *handle)
3323 {
3324 	struct smu_context *smu = handle;
3325 	int ret = 0;
3326 
3327 	if (!smu->pm_enabled)
3328 		return -EOPNOTSUPP;
3329 
3330 	if (smu->ppt_funcs->mode2_reset)
3331 		ret = smu->ppt_funcs->mode2_reset(smu);
3332 
3333 	if (ret)
3334 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3335 
3336 	return ret;
3337 }
3338 
3339 static int smu_enable_gfx_features(void *handle)
3340 {
3341 	struct smu_context *smu = handle;
3342 	int ret = 0;
3343 
3344 	if (!smu->pm_enabled)
3345 		return -EOPNOTSUPP;
3346 
3347 	if (smu->ppt_funcs->enable_gfx_features)
3348 		ret = smu->ppt_funcs->enable_gfx_features(smu);
3349 
3350 	if (ret)
3351 		dev_err(smu->adev->dev, "enable gfx features failed!\n");
3352 
3353 	return ret;
3354 }
3355 
3356 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3357 						struct pp_smu_nv_clock_table *max_clocks)
3358 {
3359 	struct smu_context *smu = handle;
3360 	int ret = 0;
3361 
3362 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3363 		return -EOPNOTSUPP;
3364 
3365 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3366 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3367 
3368 	return ret;
3369 }
3370 
3371 static int smu_get_uclk_dpm_states(void *handle,
3372 				   unsigned int *clock_values_in_khz,
3373 				   unsigned int *num_states)
3374 {
3375 	struct smu_context *smu = handle;
3376 	int ret = 0;
3377 
3378 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3379 		return -EOPNOTSUPP;
3380 
3381 	if (smu->ppt_funcs->get_uclk_dpm_states)
3382 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3383 
3384 	return ret;
3385 }
3386 
3387 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3388 {
3389 	struct smu_context *smu = handle;
3390 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3391 
3392 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3393 		return -EOPNOTSUPP;
3394 
3395 	if (smu->ppt_funcs->get_current_power_state)
3396 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
3397 
3398 	return pm_state;
3399 }
3400 
3401 static int smu_get_dpm_clock_table(void *handle,
3402 				   struct dpm_clocks *clock_table)
3403 {
3404 	struct smu_context *smu = handle;
3405 	int ret = 0;
3406 
3407 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3408 		return -EOPNOTSUPP;
3409 
3410 	if (smu->ppt_funcs->get_dpm_clock_table)
3411 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3412 
3413 	return ret;
3414 }
3415 
3416 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3417 {
3418 	struct smu_context *smu = handle;
3419 
3420 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3421 		return -EOPNOTSUPP;
3422 
3423 	if (!smu->ppt_funcs->get_gpu_metrics)
3424 		return -EOPNOTSUPP;
3425 
3426 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
3427 }
3428 
3429 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3430 				      size_t size)
3431 {
3432 	struct smu_context *smu = handle;
3433 
3434 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3435 		return -EOPNOTSUPP;
3436 
3437 	if (!smu->ppt_funcs->get_pm_metrics)
3438 		return -EOPNOTSUPP;
3439 
3440 	return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3441 }
3442 
3443 static int smu_enable_mgpu_fan_boost(void *handle)
3444 {
3445 	struct smu_context *smu = handle;
3446 	int ret = 0;
3447 
3448 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3449 		return -EOPNOTSUPP;
3450 
3451 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
3452 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3453 
3454 	return ret;
3455 }
3456 
3457 static int smu_gfx_state_change_set(void *handle,
3458 				    uint32_t state)
3459 {
3460 	struct smu_context *smu = handle;
3461 	int ret = 0;
3462 
3463 	if (smu->ppt_funcs->gfx_state_change_set)
3464 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3465 
3466 	return ret;
3467 }
3468 
3469 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3470 {
3471 	int ret = 0;
3472 
3473 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3474 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3475 
3476 	return ret;
3477 }
3478 
3479 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3480 {
3481 	int ret = -EOPNOTSUPP;
3482 
3483 	if (smu->ppt_funcs &&
3484 		smu->ppt_funcs->get_ecc_info)
3485 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3486 
3487 	return ret;
3488 
3489 }
3490 
3491 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3492 {
3493 	struct smu_context *smu = handle;
3494 	struct smu_table_context *smu_table = &smu->smu_table;
3495 	struct smu_table *memory_pool = &smu_table->memory_pool;
3496 
3497 	if (!addr || !size)
3498 		return -EINVAL;
3499 
3500 	*addr = NULL;
3501 	*size = 0;
3502 	if (memory_pool->bo) {
3503 		*addr = memory_pool->cpu_addr;
3504 		*size = memory_pool->size;
3505 	}
3506 
3507 	return 0;
3508 }
3509 
3510 int smu_set_xgmi_plpd_mode(struct smu_context *smu,
3511 			   enum pp_xgmi_plpd_mode mode)
3512 {
3513 	int ret = -EOPNOTSUPP;
3514 
3515 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3516 		return ret;
3517 
3518 	/* PLPD policy is not supported if it's NONE */
3519 	if (smu->plpd_mode == XGMI_PLPD_NONE)
3520 		return ret;
3521 
3522 	if (smu->plpd_mode == mode)
3523 		return 0;
3524 
3525 	if (smu->ppt_funcs && smu->ppt_funcs->select_xgmi_plpd_policy)
3526 		ret = smu->ppt_funcs->select_xgmi_plpd_policy(smu, mode);
3527 
3528 	if (!ret)
3529 		smu->plpd_mode = mode;
3530 
3531 	return ret;
3532 }
3533 
3534 static const struct amd_pm_funcs swsmu_pm_funcs = {
3535 	/* export for sysfs */
3536 	.set_fan_control_mode    = smu_set_fan_control_mode,
3537 	.get_fan_control_mode    = smu_get_fan_control_mode,
3538 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3539 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3540 	.force_clock_level       = smu_force_ppclk_levels,
3541 	.print_clock_levels      = smu_print_ppclk_levels,
3542 	.emit_clock_levels       = smu_emit_ppclk_levels,
3543 	.force_performance_level = smu_force_performance_level,
3544 	.read_sensor             = smu_read_sensor,
3545 	.get_apu_thermal_limit       = smu_get_apu_thermal_limit,
3546 	.set_apu_thermal_limit       = smu_set_apu_thermal_limit,
3547 	.get_performance_level   = smu_get_performance_level,
3548 	.get_current_power_state = smu_get_current_power_state,
3549 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3550 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3551 	.get_pp_num_states       = smu_get_power_num_states,
3552 	.get_pp_table            = smu_sys_get_pp_table,
3553 	.set_pp_table            = smu_sys_set_pp_table,
3554 	.switch_power_profile    = smu_switch_power_profile,
3555 	/* export to amdgpu */
3556 	.dispatch_tasks          = smu_handle_dpm_task,
3557 	.load_firmware           = smu_load_microcode,
3558 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3559 	.set_power_limit         = smu_set_power_limit,
3560 	.get_power_limit         = smu_get_power_limit,
3561 	.get_power_profile_mode  = smu_get_power_profile_mode,
3562 	.set_power_profile_mode  = smu_set_power_profile_mode,
3563 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3564 	.set_mp1_state           = smu_set_mp1_state,
3565 	.gfx_state_change_set    = smu_gfx_state_change_set,
3566 	/* export to DC */
3567 	.get_sclk                         = smu_get_sclk,
3568 	.get_mclk                         = smu_get_mclk,
3569 	.display_configuration_change     = smu_display_configuration_change,
3570 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3571 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3572 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3573 	.set_active_display_count         = smu_set_display_count,
3574 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3575 	.get_asic_baco_capability         = smu_get_baco_capability,
3576 	.set_asic_baco_state              = smu_baco_set_state,
3577 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3578 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3579 	.asic_reset_mode_2                = smu_mode2_reset,
3580 	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
3581 	.set_df_cstate                    = smu_set_df_cstate,
3582 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3583 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3584 	.get_pm_metrics                   = smu_sys_get_pm_metrics,
3585 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3586 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3587 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3588 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3589 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3590 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3591 };
3592 
3593 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3594 		       uint64_t event_arg)
3595 {
3596 	int ret = -EINVAL;
3597 
3598 	if (smu->ppt_funcs->wait_for_event)
3599 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3600 
3601 	return ret;
3602 }
3603 
3604 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3605 {
3606 
3607 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3608 		return -EOPNOTSUPP;
3609 
3610 	/* Confirm the buffer allocated is of correct size */
3611 	if (size != smu->stb_context.stb_buf_size)
3612 		return -EINVAL;
3613 
3614 	/*
3615 	 * No need to lock smu mutex as we access STB directly through MMIO
3616 	 * and not going through SMU messaging route (for now at least).
3617 	 * For registers access rely on implementation internal locking.
3618 	 */
3619 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3620 }
3621 
3622 #if defined(CONFIG_DEBUG_FS)
3623 
3624 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3625 {
3626 	struct amdgpu_device *adev = filp->f_inode->i_private;
3627 	struct smu_context *smu = adev->powerplay.pp_handle;
3628 	unsigned char *buf;
3629 	int r;
3630 
3631 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3632 	if (!buf)
3633 		return -ENOMEM;
3634 
3635 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3636 	if (r)
3637 		goto out;
3638 
3639 	filp->private_data = buf;
3640 
3641 	return 0;
3642 
3643 out:
3644 	kvfree(buf);
3645 	return r;
3646 }
3647 
3648 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3649 				loff_t *pos)
3650 {
3651 	struct amdgpu_device *adev = filp->f_inode->i_private;
3652 	struct smu_context *smu = adev->powerplay.pp_handle;
3653 
3654 
3655 	if (!filp->private_data)
3656 		return -EINVAL;
3657 
3658 	return simple_read_from_buffer(buf,
3659 				       size,
3660 				       pos, filp->private_data,
3661 				       smu->stb_context.stb_buf_size);
3662 }
3663 
3664 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3665 {
3666 	kvfree(filp->private_data);
3667 	filp->private_data = NULL;
3668 
3669 	return 0;
3670 }
3671 
3672 /*
3673  * We have to define not only read method but also
3674  * open and release because .read takes up to PAGE_SIZE
3675  * data each time so and so is invoked multiple times.
3676  *  We allocate the STB buffer in .open and release it
3677  *  in .release
3678  */
3679 static const struct file_operations smu_stb_debugfs_fops = {
3680 	.owner = THIS_MODULE,
3681 	.open = smu_stb_debugfs_open,
3682 	.read = smu_stb_debugfs_read,
3683 	.release = smu_stb_debugfs_release,
3684 	.llseek = default_llseek,
3685 };
3686 
3687 #endif
3688 
3689 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3690 {
3691 #if defined(CONFIG_DEBUG_FS)
3692 
3693 	struct smu_context *smu = adev->powerplay.pp_handle;
3694 
3695 	if (!smu || (!smu->stb_context.stb_buf_size))
3696 		return;
3697 
3698 	debugfs_create_file_size("amdgpu_smu_stb_dump",
3699 			    S_IRUSR,
3700 			    adev_to_drm(adev)->primary->debugfs_root,
3701 			    adev,
3702 			    &smu_stb_debugfs_fops,
3703 			    smu->stb_context.stb_buf_size);
3704 #endif
3705 }
3706 
3707 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3708 {
3709 	int ret = 0;
3710 
3711 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3712 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3713 
3714 	return ret;
3715 }
3716 
3717 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3718 {
3719 	int ret = 0;
3720 
3721 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3722 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3723 
3724 	return ret;
3725 }
3726 
3727 int smu_send_rma_reason(struct smu_context *smu)
3728 {
3729 	int ret = 0;
3730 
3731 	if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
3732 		ret = smu->ppt_funcs->send_rma_reason(smu);
3733 
3734 	return ret;
3735 }
3736