xref: /linux/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c (revision 6627d845)
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 
smu_sys_get_pp_feature_mask(void * handle,char * buf)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 
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)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 
smu_set_residency_gfxoff(struct smu_context * smu,bool value)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 
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)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 
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)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 
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)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 
smu_set_soft_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t min,uint32_t max)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 
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)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 
smu_set_gfx_power_up_by_imu(struct smu_context * smu)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 
smu_get_mclk(void * handle,bool low)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 
smu_get_sclk(void * handle,bool low)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 
smu_set_gfx_imu_enable(struct smu_context * smu)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 
is_vcn_enabled(struct amdgpu_device * adev)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 
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable)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 
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)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 
smu_dpm_set_vpe_enable(struct smu_context * smu,bool enable)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 
smu_dpm_set_umsch_mm_enable(struct smu_context * smu,bool enable)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 /**
328  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
329  *
330  * @handle:        smu_context pointer
331  * @block_type: the IP block to power gate/ungate
332  * @gate:       to power gate if true, ungate otherwise
333  *
334  * This API uses no smu->mutex lock protection due to:
335  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
336  *    This is guarded to be race condition free by the caller.
337  * 2. Or get called on user setting request of power_dpm_force_performance_level.
338  *    Under this case, the smu->mutex lock protection is already enforced on
339  *    the parent API smu_force_performance_level of the call path.
340  */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate)341 static int smu_dpm_set_power_gate(void *handle,
342 				  uint32_t block_type,
343 				  bool gate)
344 {
345 	struct smu_context *smu = handle;
346 	int ret = 0;
347 
348 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
349 		dev_WARN(smu->adev->dev,
350 			 "SMU uninitialized but power %s requested for %u!\n",
351 			 gate ? "gate" : "ungate", block_type);
352 		return -EOPNOTSUPP;
353 	}
354 
355 	switch (block_type) {
356 	/*
357 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
358 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
359 	 */
360 	case AMD_IP_BLOCK_TYPE_UVD:
361 	case AMD_IP_BLOCK_TYPE_VCN:
362 		ret = smu_dpm_set_vcn_enable(smu, !gate);
363 		if (ret)
364 			dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
365 				gate ? "gate" : "ungate");
366 		break;
367 	case AMD_IP_BLOCK_TYPE_GFX:
368 		ret = smu_gfx_off_control(smu, gate);
369 		if (ret)
370 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
371 				gate ? "enable" : "disable");
372 		break;
373 	case AMD_IP_BLOCK_TYPE_SDMA:
374 		ret = smu_powergate_sdma(smu, gate);
375 		if (ret)
376 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
377 				gate ? "gate" : "ungate");
378 		break;
379 	case AMD_IP_BLOCK_TYPE_JPEG:
380 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
381 		if (ret)
382 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
383 				gate ? "gate" : "ungate");
384 		break;
385 	case AMD_IP_BLOCK_TYPE_VPE:
386 		ret = smu_dpm_set_vpe_enable(smu, !gate);
387 		if (ret)
388 			dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
389 				gate ? "gate" : "ungate");
390 		break;
391 	default:
392 		dev_err(smu->adev->dev, "Unsupported block type!\n");
393 		return -EINVAL;
394 	}
395 
396 	return ret;
397 }
398 
399 /**
400  * smu_set_user_clk_dependencies - set user profile clock dependencies
401  *
402  * @smu:	smu_context pointer
403  * @clk:	enum smu_clk_type type
404  *
405  * Enable/Disable the clock dependency for the @clk type.
406  */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)407 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
408 {
409 	if (smu->adev->in_suspend)
410 		return;
411 
412 	if (clk == SMU_MCLK) {
413 		smu->user_dpm_profile.clk_dependency = 0;
414 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
415 	} else if (clk == SMU_FCLK) {
416 		/* MCLK takes precedence over FCLK */
417 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
418 			return;
419 
420 		smu->user_dpm_profile.clk_dependency = 0;
421 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
422 	} else if (clk == SMU_SOCCLK) {
423 		/* MCLK takes precedence over SOCCLK */
424 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
425 			return;
426 
427 		smu->user_dpm_profile.clk_dependency = 0;
428 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
429 	} else
430 		/* Add clk dependencies here, if any */
431 		return;
432 }
433 
434 /**
435  * smu_restore_dpm_user_profile - reinstate user dpm profile
436  *
437  * @smu:	smu_context pointer
438  *
439  * Restore the saved user power configurations include power limit,
440  * clock frequencies, fan control mode and fan speed.
441  */
smu_restore_dpm_user_profile(struct smu_context * smu)442 static void smu_restore_dpm_user_profile(struct smu_context *smu)
443 {
444 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
445 	int ret = 0;
446 
447 	if (!smu->adev->in_suspend)
448 		return;
449 
450 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
451 		return;
452 
453 	/* Enable restore flag */
454 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
455 
456 	/* set the user dpm power limit */
457 	if (smu->user_dpm_profile.power_limit) {
458 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
459 		if (ret)
460 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
461 	}
462 
463 	/* set the user dpm clock configurations */
464 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
465 		enum smu_clk_type clk_type;
466 
467 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
468 			/*
469 			 * Iterate over smu clk type and force the saved user clk
470 			 * configs, skip if clock dependency is enabled
471 			 */
472 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
473 					smu->user_dpm_profile.clk_mask[clk_type]) {
474 				ret = smu_force_smuclk_levels(smu, clk_type,
475 						smu->user_dpm_profile.clk_mask[clk_type]);
476 				if (ret)
477 					dev_err(smu->adev->dev,
478 						"Failed to set clock type = %d\n", clk_type);
479 			}
480 		}
481 	}
482 
483 	/* set the user dpm fan configurations */
484 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
485 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
486 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
487 		if (ret != -EOPNOTSUPP) {
488 			smu->user_dpm_profile.fan_speed_pwm = 0;
489 			smu->user_dpm_profile.fan_speed_rpm = 0;
490 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
491 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
492 		}
493 
494 		if (smu->user_dpm_profile.fan_speed_pwm) {
495 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
496 			if (ret != -EOPNOTSUPP)
497 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
498 		}
499 
500 		if (smu->user_dpm_profile.fan_speed_rpm) {
501 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
502 			if (ret != -EOPNOTSUPP)
503 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
504 		}
505 	}
506 
507 	/* Restore user customized OD settings */
508 	if (smu->user_dpm_profile.user_od) {
509 		if (smu->ppt_funcs->restore_user_od_settings) {
510 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
511 			if (ret)
512 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
513 		}
514 	}
515 
516 	/* Disable restore flag */
517 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
518 }
519 
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)520 static int smu_get_power_num_states(void *handle,
521 				    struct pp_states_info *state_info)
522 {
523 	if (!state_info)
524 		return -EINVAL;
525 
526 	/* not support power state */
527 	memset(state_info, 0, sizeof(struct pp_states_info));
528 	state_info->nums = 1;
529 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
530 
531 	return 0;
532 }
533 
is_support_sw_smu(struct amdgpu_device * adev)534 bool is_support_sw_smu(struct amdgpu_device *adev)
535 {
536 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
537 	if (adev->asic_type == CHIP_VEGA20)
538 		return false;
539 
540 	if (amdgpu_ip_version(adev, MP1_HWIP, 0) >= IP_VERSION(11, 0, 0))
541 		return true;
542 
543 	return false;
544 }
545 
is_support_cclk_dpm(struct amdgpu_device * adev)546 bool is_support_cclk_dpm(struct amdgpu_device *adev)
547 {
548 	struct smu_context *smu = adev->powerplay.pp_handle;
549 
550 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
551 		return false;
552 
553 	return true;
554 }
555 
556 
smu_sys_get_pp_table(void * handle,char ** table)557 static int smu_sys_get_pp_table(void *handle,
558 				char **table)
559 {
560 	struct smu_context *smu = handle;
561 	struct smu_table_context *smu_table = &smu->smu_table;
562 
563 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
564 		return -EOPNOTSUPP;
565 
566 	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
567 		return -EINVAL;
568 
569 	if (smu_table->hardcode_pptable)
570 		*table = smu_table->hardcode_pptable;
571 	else
572 		*table = smu_table->power_play_table;
573 
574 	return smu_table->power_play_table_size;
575 }
576 
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)577 static int smu_sys_set_pp_table(void *handle,
578 				const char *buf,
579 				size_t size)
580 {
581 	struct smu_context *smu = handle;
582 	struct smu_table_context *smu_table = &smu->smu_table;
583 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
584 	int ret = 0;
585 
586 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
587 		return -EOPNOTSUPP;
588 
589 	if (header->usStructureSize != size) {
590 		dev_err(smu->adev->dev, "pp table size not matched !\n");
591 		return -EIO;
592 	}
593 
594 	if (!smu_table->hardcode_pptable) {
595 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
596 		if (!smu_table->hardcode_pptable)
597 			return -ENOMEM;
598 	}
599 
600 	memcpy(smu_table->hardcode_pptable, buf, size);
601 	smu_table->power_play_table = smu_table->hardcode_pptable;
602 	smu_table->power_play_table_size = size;
603 
604 	/*
605 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
606 	 * skipped) may be needed for custom pptable uploading.
607 	 */
608 	smu->uploading_custom_pp_table = true;
609 
610 	ret = smu_reset(smu);
611 	if (ret)
612 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
613 
614 	smu->uploading_custom_pp_table = false;
615 
616 	return ret;
617 }
618 
smu_get_driver_allowed_feature_mask(struct smu_context * smu)619 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
620 {
621 	struct smu_feature *feature = &smu->smu_feature;
622 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
623 	int ret = 0;
624 
625 	/*
626 	 * With SCPM enabled, the allowed featuremasks setting(via
627 	 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
628 	 * That means there is no way to let PMFW knows the settings below.
629 	 * Thus, we just assume all the features are allowed under
630 	 * such scenario.
631 	 */
632 	if (smu->adev->scpm_enabled) {
633 		bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
634 		return 0;
635 	}
636 
637 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
638 
639 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
640 					     SMU_FEATURE_MAX/32);
641 	if (ret)
642 		return ret;
643 
644 	bitmap_or(feature->allowed, feature->allowed,
645 		      (unsigned long *)allowed_feature_mask,
646 		      feature->feature_num);
647 
648 	return ret;
649 }
650 
smu_set_funcs(struct amdgpu_device * adev)651 static int smu_set_funcs(struct amdgpu_device *adev)
652 {
653 	struct smu_context *smu = adev->powerplay.pp_handle;
654 
655 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
656 		smu->od_enabled = true;
657 
658 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
659 	case IP_VERSION(11, 0, 0):
660 	case IP_VERSION(11, 0, 5):
661 	case IP_VERSION(11, 0, 9):
662 		navi10_set_ppt_funcs(smu);
663 		break;
664 	case IP_VERSION(11, 0, 7):
665 	case IP_VERSION(11, 0, 11):
666 	case IP_VERSION(11, 0, 12):
667 	case IP_VERSION(11, 0, 13):
668 		sienna_cichlid_set_ppt_funcs(smu);
669 		break;
670 	case IP_VERSION(12, 0, 0):
671 	case IP_VERSION(12, 0, 1):
672 		renoir_set_ppt_funcs(smu);
673 		break;
674 	case IP_VERSION(11, 5, 0):
675 		vangogh_set_ppt_funcs(smu);
676 		break;
677 	case IP_VERSION(13, 0, 1):
678 	case IP_VERSION(13, 0, 3):
679 	case IP_VERSION(13, 0, 8):
680 		yellow_carp_set_ppt_funcs(smu);
681 		break;
682 	case IP_VERSION(13, 0, 4):
683 	case IP_VERSION(13, 0, 11):
684 		smu_v13_0_4_set_ppt_funcs(smu);
685 		break;
686 	case IP_VERSION(13, 0, 5):
687 		smu_v13_0_5_set_ppt_funcs(smu);
688 		break;
689 	case IP_VERSION(11, 0, 8):
690 		cyan_skillfish_set_ppt_funcs(smu);
691 		break;
692 	case IP_VERSION(11, 0, 2):
693 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
694 		arcturus_set_ppt_funcs(smu);
695 		/* OD is not supported on Arcturus */
696 		smu->od_enabled = false;
697 		break;
698 	case IP_VERSION(13, 0, 2):
699 		aldebaran_set_ppt_funcs(smu);
700 		/* Enable pp_od_clk_voltage node */
701 		smu->od_enabled = true;
702 		break;
703 	case IP_VERSION(13, 0, 0):
704 	case IP_VERSION(13, 0, 10):
705 		smu_v13_0_0_set_ppt_funcs(smu);
706 		break;
707 	case IP_VERSION(13, 0, 6):
708 		smu_v13_0_6_set_ppt_funcs(smu);
709 		/* Enable pp_od_clk_voltage node */
710 		smu->od_enabled = true;
711 		break;
712 	case IP_VERSION(13, 0, 7):
713 		smu_v13_0_7_set_ppt_funcs(smu);
714 		break;
715 	case IP_VERSION(14, 0, 0):
716 	case IP_VERSION(14, 0, 1):
717 		smu_v14_0_0_set_ppt_funcs(smu);
718 		break;
719 	case IP_VERSION(14, 0, 2):
720 	case IP_VERSION(14, 0, 3):
721 		smu_v14_0_2_set_ppt_funcs(smu);
722 		break;
723 	default:
724 		return -EINVAL;
725 	}
726 
727 	return 0;
728 }
729 
smu_early_init(void * handle)730 static int smu_early_init(void *handle)
731 {
732 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
733 	struct smu_context *smu;
734 	int r;
735 
736 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
737 	if (!smu)
738 		return -ENOMEM;
739 
740 	smu->adev = adev;
741 	smu->pm_enabled = !!amdgpu_dpm;
742 	smu->is_apu = false;
743 	smu->smu_baco.state = SMU_BACO_STATE_NONE;
744 	smu->smu_baco.platform_support = false;
745 	smu->smu_baco.maco_support = false;
746 	smu->user_dpm_profile.fan_mode = -1;
747 
748 	mutex_init(&smu->message_lock);
749 
750 	adev->powerplay.pp_handle = smu;
751 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
752 
753 	r = smu_set_funcs(adev);
754 	if (r)
755 		return r;
756 	return smu_init_microcode(smu);
757 }
758 
smu_set_default_dpm_table(struct smu_context * smu)759 static int smu_set_default_dpm_table(struct smu_context *smu)
760 {
761 	struct amdgpu_device *adev = smu->adev;
762 	struct smu_power_context *smu_power = &smu->smu_power;
763 	struct smu_power_gate *power_gate = &smu_power->power_gate;
764 	int vcn_gate, jpeg_gate;
765 	int ret = 0;
766 
767 	if (!smu->ppt_funcs->set_default_dpm_table)
768 		return 0;
769 
770 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
771 		vcn_gate = atomic_read(&power_gate->vcn_gated);
772 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
773 		jpeg_gate = atomic_read(&power_gate->jpeg_gated);
774 
775 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
776 		ret = smu_dpm_set_vcn_enable(smu, true);
777 		if (ret)
778 			return ret;
779 	}
780 
781 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
782 		ret = smu_dpm_set_jpeg_enable(smu, true);
783 		if (ret)
784 			goto err_out;
785 	}
786 
787 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
788 	if (ret)
789 		dev_err(smu->adev->dev,
790 			"Failed to setup default dpm clock tables!\n");
791 
792 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
793 		smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
794 err_out:
795 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
796 		smu_dpm_set_vcn_enable(smu, !vcn_gate);
797 
798 	return ret;
799 }
800 
smu_apply_default_config_table_settings(struct smu_context * smu)801 static int smu_apply_default_config_table_settings(struct smu_context *smu)
802 {
803 	struct amdgpu_device *adev = smu->adev;
804 	int ret = 0;
805 
806 	ret = smu_get_default_config_table_settings(smu,
807 						    &adev->pm.config_table);
808 	if (ret)
809 		return ret;
810 
811 	return smu_set_config_table(smu, &adev->pm.config_table);
812 }
813 
smu_late_init(void * handle)814 static int smu_late_init(void *handle)
815 {
816 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
817 	struct smu_context *smu = adev->powerplay.pp_handle;
818 	int ret = 0;
819 
820 	smu_set_fine_grain_gfx_freq_parameters(smu);
821 
822 	if (!smu->pm_enabled)
823 		return 0;
824 
825 	ret = smu_post_init(smu);
826 	if (ret) {
827 		dev_err(adev->dev, "Failed to post smu init!\n");
828 		return ret;
829 	}
830 
831 	/*
832 	 * Explicitly notify PMFW the power mode the system in. Since
833 	 * the PMFW may boot the ASIC with a different mode.
834 	 * For those supporting ACDC switch via gpio, PMFW will
835 	 * handle the switch automatically. Driver involvement
836 	 * is unnecessary.
837 	 */
838 	adev->pm.ac_power = power_supply_is_system_supplied() > 0;
839 	smu_set_ac_dc(smu);
840 
841 	if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) ||
842 	    (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3)))
843 		return 0;
844 
845 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
846 		ret = smu_set_default_od_settings(smu);
847 		if (ret) {
848 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
849 			return ret;
850 		}
851 	}
852 
853 	ret = smu_populate_umd_state_clk(smu);
854 	if (ret) {
855 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
856 		return ret;
857 	}
858 
859 	ret = smu_get_asic_power_limits(smu,
860 					&smu->current_power_limit,
861 					&smu->default_power_limit,
862 					&smu->max_power_limit,
863 					&smu->min_power_limit);
864 	if (ret) {
865 		dev_err(adev->dev, "Failed to get asic power limits!\n");
866 		return ret;
867 	}
868 
869 	if (!amdgpu_sriov_vf(adev))
870 		smu_get_unique_id(smu);
871 
872 	smu_get_fan_parameters(smu);
873 
874 	smu_handle_task(smu,
875 			smu->smu_dpm.dpm_level,
876 			AMD_PP_TASK_COMPLETE_INIT);
877 
878 	ret = smu_apply_default_config_table_settings(smu);
879 	if (ret && (ret != -EOPNOTSUPP)) {
880 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
881 		return ret;
882 	}
883 
884 	smu_restore_dpm_user_profile(smu);
885 
886 	return 0;
887 }
888 
smu_init_fb_allocations(struct smu_context * smu)889 static int smu_init_fb_allocations(struct smu_context *smu)
890 {
891 	struct amdgpu_device *adev = smu->adev;
892 	struct smu_table_context *smu_table = &smu->smu_table;
893 	struct smu_table *tables = smu_table->tables;
894 	struct smu_table *driver_table = &(smu_table->driver_table);
895 	uint32_t max_table_size = 0;
896 	int ret, i;
897 
898 	/* VRAM allocation for tool table */
899 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
900 		ret = amdgpu_bo_create_kernel(adev,
901 					      tables[SMU_TABLE_PMSTATUSLOG].size,
902 					      tables[SMU_TABLE_PMSTATUSLOG].align,
903 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
904 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
905 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
906 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
907 		if (ret) {
908 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
909 			return ret;
910 		}
911 	}
912 
913 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
914 	/* VRAM allocation for driver table */
915 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
916 		if (tables[i].size == 0)
917 			continue;
918 
919 		/* If one of the tables has VRAM domain restriction, keep it in
920 		 * VRAM
921 		 */
922 		if ((tables[i].domain &
923 		    (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
924 			    AMDGPU_GEM_DOMAIN_VRAM)
925 			driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
926 
927 		if (i == SMU_TABLE_PMSTATUSLOG)
928 			continue;
929 
930 		if (max_table_size < tables[i].size)
931 			max_table_size = tables[i].size;
932 	}
933 
934 	driver_table->size = max_table_size;
935 	driver_table->align = PAGE_SIZE;
936 
937 	ret = amdgpu_bo_create_kernel(adev,
938 				      driver_table->size,
939 				      driver_table->align,
940 				      driver_table->domain,
941 				      &driver_table->bo,
942 				      &driver_table->mc_address,
943 				      &driver_table->cpu_addr);
944 	if (ret) {
945 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
946 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
947 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
948 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
949 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
950 	}
951 
952 	return ret;
953 }
954 
smu_fini_fb_allocations(struct smu_context * smu)955 static int smu_fini_fb_allocations(struct smu_context *smu)
956 {
957 	struct smu_table_context *smu_table = &smu->smu_table;
958 	struct smu_table *tables = smu_table->tables;
959 	struct smu_table *driver_table = &(smu_table->driver_table);
960 
961 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
962 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
963 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
964 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
965 
966 	amdgpu_bo_free_kernel(&driver_table->bo,
967 			      &driver_table->mc_address,
968 			      &driver_table->cpu_addr);
969 
970 	return 0;
971 }
972 
973 /**
974  * smu_alloc_memory_pool - allocate memory pool in the system memory
975  *
976  * @smu: amdgpu_device pointer
977  *
978  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
979  * and DramLogSetDramAddr can notify it changed.
980  *
981  * Returns 0 on success, error on failure.
982  */
smu_alloc_memory_pool(struct smu_context * smu)983 static int smu_alloc_memory_pool(struct smu_context *smu)
984 {
985 	struct amdgpu_device *adev = smu->adev;
986 	struct smu_table_context *smu_table = &smu->smu_table;
987 	struct smu_table *memory_pool = &smu_table->memory_pool;
988 	uint64_t pool_size = smu->pool_size;
989 	int ret = 0;
990 
991 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
992 		return ret;
993 
994 	memory_pool->size = pool_size;
995 	memory_pool->align = PAGE_SIZE;
996 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
997 
998 	switch (pool_size) {
999 	case SMU_MEMORY_POOL_SIZE_256_MB:
1000 	case SMU_MEMORY_POOL_SIZE_512_MB:
1001 	case SMU_MEMORY_POOL_SIZE_1_GB:
1002 	case SMU_MEMORY_POOL_SIZE_2_GB:
1003 		ret = amdgpu_bo_create_kernel(adev,
1004 					      memory_pool->size,
1005 					      memory_pool->align,
1006 					      memory_pool->domain,
1007 					      &memory_pool->bo,
1008 					      &memory_pool->mc_address,
1009 					      &memory_pool->cpu_addr);
1010 		if (ret)
1011 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
1012 		break;
1013 	default:
1014 		break;
1015 	}
1016 
1017 	return ret;
1018 }
1019 
smu_free_memory_pool(struct smu_context * smu)1020 static int smu_free_memory_pool(struct smu_context *smu)
1021 {
1022 	struct smu_table_context *smu_table = &smu->smu_table;
1023 	struct smu_table *memory_pool = &smu_table->memory_pool;
1024 
1025 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
1026 		return 0;
1027 
1028 	amdgpu_bo_free_kernel(&memory_pool->bo,
1029 			      &memory_pool->mc_address,
1030 			      &memory_pool->cpu_addr);
1031 
1032 	memset(memory_pool, 0, sizeof(struct smu_table));
1033 
1034 	return 0;
1035 }
1036 
smu_alloc_dummy_read_table(struct smu_context * smu)1037 static int smu_alloc_dummy_read_table(struct smu_context *smu)
1038 {
1039 	struct smu_table_context *smu_table = &smu->smu_table;
1040 	struct smu_table *dummy_read_1_table =
1041 			&smu_table->dummy_read_1_table;
1042 	struct amdgpu_device *adev = smu->adev;
1043 	int ret = 0;
1044 
1045 	if (!dummy_read_1_table->size)
1046 		return 0;
1047 
1048 	ret = amdgpu_bo_create_kernel(adev,
1049 				      dummy_read_1_table->size,
1050 				      dummy_read_1_table->align,
1051 				      dummy_read_1_table->domain,
1052 				      &dummy_read_1_table->bo,
1053 				      &dummy_read_1_table->mc_address,
1054 				      &dummy_read_1_table->cpu_addr);
1055 	if (ret)
1056 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
1057 
1058 	return ret;
1059 }
1060 
smu_free_dummy_read_table(struct smu_context * smu)1061 static void smu_free_dummy_read_table(struct smu_context *smu)
1062 {
1063 	struct smu_table_context *smu_table = &smu->smu_table;
1064 	struct smu_table *dummy_read_1_table =
1065 			&smu_table->dummy_read_1_table;
1066 
1067 
1068 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
1069 			      &dummy_read_1_table->mc_address,
1070 			      &dummy_read_1_table->cpu_addr);
1071 
1072 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
1073 }
1074 
smu_smc_table_sw_init(struct smu_context * smu)1075 static int smu_smc_table_sw_init(struct smu_context *smu)
1076 {
1077 	int ret;
1078 
1079 	/**
1080 	 * Create smu_table structure, and init smc tables such as
1081 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
1082 	 */
1083 	ret = smu_init_smc_tables(smu);
1084 	if (ret) {
1085 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
1086 		return ret;
1087 	}
1088 
1089 	/**
1090 	 * Create smu_power_context structure, and allocate smu_dpm_context and
1091 	 * context size to fill the smu_power_context data.
1092 	 */
1093 	ret = smu_init_power(smu);
1094 	if (ret) {
1095 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1096 		return ret;
1097 	}
1098 
1099 	/*
1100 	 * allocate vram bos to store smc table contents.
1101 	 */
1102 	ret = smu_init_fb_allocations(smu);
1103 	if (ret)
1104 		return ret;
1105 
1106 	ret = smu_alloc_memory_pool(smu);
1107 	if (ret)
1108 		return ret;
1109 
1110 	ret = smu_alloc_dummy_read_table(smu);
1111 	if (ret)
1112 		return ret;
1113 
1114 	ret = smu_i2c_init(smu);
1115 	if (ret)
1116 		return ret;
1117 
1118 	return 0;
1119 }
1120 
smu_smc_table_sw_fini(struct smu_context * smu)1121 static int smu_smc_table_sw_fini(struct smu_context *smu)
1122 {
1123 	int ret;
1124 
1125 	smu_i2c_fini(smu);
1126 
1127 	smu_free_dummy_read_table(smu);
1128 
1129 	ret = smu_free_memory_pool(smu);
1130 	if (ret)
1131 		return ret;
1132 
1133 	ret = smu_fini_fb_allocations(smu);
1134 	if (ret)
1135 		return ret;
1136 
1137 	ret = smu_fini_power(smu);
1138 	if (ret) {
1139 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1140 		return ret;
1141 	}
1142 
1143 	ret = smu_fini_smc_tables(smu);
1144 	if (ret) {
1145 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1146 		return ret;
1147 	}
1148 
1149 	return 0;
1150 }
1151 
smu_throttling_logging_work_fn(struct work_struct * work)1152 static void smu_throttling_logging_work_fn(struct work_struct *work)
1153 {
1154 	struct smu_context *smu = container_of(work, struct smu_context,
1155 					       throttling_logging_work);
1156 
1157 	smu_log_thermal_throttling(smu);
1158 }
1159 
smu_interrupt_work_fn(struct work_struct * work)1160 static void smu_interrupt_work_fn(struct work_struct *work)
1161 {
1162 	struct smu_context *smu = container_of(work, struct smu_context,
1163 					       interrupt_work);
1164 
1165 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1166 		smu->ppt_funcs->interrupt_work(smu);
1167 }
1168 
smu_swctf_delayed_work_handler(struct work_struct * work)1169 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1170 {
1171 	struct smu_context *smu =
1172 		container_of(work, struct smu_context, swctf_delayed_work.work);
1173 	struct smu_temperature_range *range =
1174 				&smu->thermal_range;
1175 	struct amdgpu_device *adev = smu->adev;
1176 	uint32_t hotspot_tmp, size;
1177 
1178 	/*
1179 	 * If the hotspot temperature is confirmed as below SW CTF setting point
1180 	 * after the delay enforced, nothing will be done.
1181 	 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1182 	 */
1183 	if (range->software_shutdown_temp &&
1184 	    smu->ppt_funcs->read_sensor &&
1185 	    !smu->ppt_funcs->read_sensor(smu,
1186 					 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1187 					 &hotspot_tmp,
1188 					 &size) &&
1189 	    hotspot_tmp / 1000 < range->software_shutdown_temp)
1190 		return;
1191 
1192 	dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1193 	dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1194 	orderly_poweroff(true);
1195 }
1196 
smu_init_xgmi_plpd_mode(struct smu_context * smu)1197 static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
1198 {
1199 	if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
1200 		smu->plpd_mode = XGMI_PLPD_DEFAULT;
1201 		return;
1202 	}
1203 
1204 	/* PMFW put PLPD into default policy after enabling the feature */
1205 	if (smu_feature_is_enabled(smu,
1206 				   SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT))
1207 		smu->plpd_mode = XGMI_PLPD_DEFAULT;
1208 	else
1209 		smu->plpd_mode = XGMI_PLPD_NONE;
1210 }
1211 
smu_sw_init(void * handle)1212 static int smu_sw_init(void *handle)
1213 {
1214 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1215 	struct smu_context *smu = adev->powerplay.pp_handle;
1216 	int ret;
1217 
1218 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1219 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1220 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1221 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1222 
1223 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1224 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1225 	atomic64_set(&smu->throttle_int_counter, 0);
1226 	smu->watermarks_bitmap = 0;
1227 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1228 	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1229 
1230 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1231 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1232 	atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1233 	atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1234 
1235 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1236 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1237 	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1238 	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1239 	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1240 	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1241 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1242 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1243 
1244 	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1245 	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1246 	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1247 	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1248 	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1249 	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1250 	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1251 	smu->display_config = &adev->pm.pm_display_cfg;
1252 
1253 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1254 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1255 
1256 	INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1257 			  smu_swctf_delayed_work_handler);
1258 
1259 	ret = smu_smc_table_sw_init(smu);
1260 	if (ret) {
1261 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1262 		return ret;
1263 	}
1264 
1265 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1266 	ret = smu_get_vbios_bootup_values(smu);
1267 	if (ret) {
1268 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1269 		return ret;
1270 	}
1271 
1272 	ret = smu_init_pptable_microcode(smu);
1273 	if (ret) {
1274 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1275 		return ret;
1276 	}
1277 
1278 	ret = smu_register_irq_handler(smu);
1279 	if (ret) {
1280 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1281 		return ret;
1282 	}
1283 
1284 	/* If there is no way to query fan control mode, fan control is not supported */
1285 	if (!smu->ppt_funcs->get_fan_control_mode)
1286 		smu->adev->pm.no_fan = true;
1287 
1288 	return 0;
1289 }
1290 
smu_sw_fini(void * handle)1291 static int smu_sw_fini(void *handle)
1292 {
1293 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1294 	struct smu_context *smu = adev->powerplay.pp_handle;
1295 	int ret;
1296 
1297 	ret = smu_smc_table_sw_fini(smu);
1298 	if (ret) {
1299 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1300 		return ret;
1301 	}
1302 
1303 	smu_fini_microcode(smu);
1304 
1305 	return 0;
1306 }
1307 
smu_get_thermal_temperature_range(struct smu_context * smu)1308 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1309 {
1310 	struct amdgpu_device *adev = smu->adev;
1311 	struct smu_temperature_range *range =
1312 				&smu->thermal_range;
1313 	int ret = 0;
1314 
1315 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1316 		return 0;
1317 
1318 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1319 	if (ret)
1320 		return ret;
1321 
1322 	adev->pm.dpm.thermal.min_temp = range->min;
1323 	adev->pm.dpm.thermal.max_temp = range->max;
1324 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1325 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1326 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1327 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1328 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1329 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1330 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1331 
1332 	return ret;
1333 }
1334 
1335 /**
1336  * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1337  *
1338  * @smu: smu_context pointer
1339  *
1340  * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1341  * Returns 0 on success, error on failure.
1342  */
smu_wbrf_handle_exclusion_ranges(struct smu_context * smu)1343 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1344 {
1345 	struct wbrf_ranges_in_out wbrf_exclusion = {0};
1346 	struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1347 	struct amdgpu_device *adev = smu->adev;
1348 	uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1349 	uint64_t start, end;
1350 	int ret, i, j;
1351 
1352 	ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1353 	if (ret) {
1354 		dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1355 		return ret;
1356 	}
1357 
1358 	/*
1359 	 * The exclusion ranges array we got might be filled with holes and duplicate
1360 	 * entries. For example:
1361 	 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1362 	 * We need to do some sortups to eliminate those holes and duplicate entries.
1363 	 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1364 	 */
1365 	for (i = 0; i < num_of_wbrf_ranges; i++) {
1366 		start = wifi_bands[i].start;
1367 		end = wifi_bands[i].end;
1368 
1369 		/* get the last valid entry to fill the intermediate hole */
1370 		if (!start && !end) {
1371 			for (j = num_of_wbrf_ranges - 1; j > i; j--)
1372 				if (wifi_bands[j].start && wifi_bands[j].end)
1373 					break;
1374 
1375 			/* no valid entry left */
1376 			if (j <= i)
1377 				break;
1378 
1379 			start = wifi_bands[i].start = wifi_bands[j].start;
1380 			end = wifi_bands[i].end = wifi_bands[j].end;
1381 			wifi_bands[j].start = 0;
1382 			wifi_bands[j].end = 0;
1383 			num_of_wbrf_ranges = j;
1384 		}
1385 
1386 		/* eliminate duplicate entries */
1387 		for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1388 			if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1389 				wifi_bands[j].start = 0;
1390 				wifi_bands[j].end = 0;
1391 			}
1392 		}
1393 	}
1394 
1395 	/* Send the sorted wifi_bands to PMFW */
1396 	ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1397 	/* Try to set the wifi_bands again */
1398 	if (unlikely(ret == -EBUSY)) {
1399 		mdelay(5);
1400 		ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1401 	}
1402 
1403 	return ret;
1404 }
1405 
1406 /**
1407  * smu_wbrf_event_handler - handle notify events
1408  *
1409  * @nb: notifier block
1410  * @action: event type
1411  * @_arg: event data
1412  *
1413  * Calls relevant amdgpu function in response to wbrf event
1414  * notification from kernel.
1415  */
smu_wbrf_event_handler(struct notifier_block * nb,unsigned long action,void * _arg)1416 static int smu_wbrf_event_handler(struct notifier_block *nb,
1417 				  unsigned long action, void *_arg)
1418 {
1419 	struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1420 
1421 	switch (action) {
1422 	case WBRF_CHANGED:
1423 		schedule_delayed_work(&smu->wbrf_delayed_work,
1424 				      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1425 		break;
1426 	default:
1427 		return NOTIFY_DONE;
1428 	}
1429 
1430 	return NOTIFY_OK;
1431 }
1432 
1433 /**
1434  * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1435  *
1436  * @work: struct work_struct pointer
1437  *
1438  * Flood is over and driver will consume the latest exclusion ranges.
1439  */
smu_wbrf_delayed_work_handler(struct work_struct * work)1440 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1441 {
1442 	struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1443 
1444 	smu_wbrf_handle_exclusion_ranges(smu);
1445 }
1446 
1447 /**
1448  * smu_wbrf_support_check - check wbrf support
1449  *
1450  * @smu: smu_context pointer
1451  *
1452  * Verifies the ACPI interface whether wbrf is supported.
1453  */
smu_wbrf_support_check(struct smu_context * smu)1454 static void smu_wbrf_support_check(struct smu_context *smu)
1455 {
1456 	struct amdgpu_device *adev = smu->adev;
1457 
1458 	smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1459 							acpi_amd_wbrf_supported_consumer(adev->dev);
1460 
1461 	if (smu->wbrf_supported)
1462 		dev_info(adev->dev, "RF interference mitigation is supported\n");
1463 }
1464 
1465 /**
1466  * smu_wbrf_init - init driver wbrf support
1467  *
1468  * @smu: smu_context pointer
1469  *
1470  * Verifies the AMD ACPI interfaces and registers with the wbrf
1471  * notifier chain if wbrf feature is supported.
1472  * Returns 0 on success, error on failure.
1473  */
smu_wbrf_init(struct smu_context * smu)1474 static int smu_wbrf_init(struct smu_context *smu)
1475 {
1476 	int ret;
1477 
1478 	if (!smu->wbrf_supported)
1479 		return 0;
1480 
1481 	INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1482 
1483 	smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1484 	ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1485 	if (ret)
1486 		return ret;
1487 
1488 	/*
1489 	 * Some wifiband exclusion ranges may be already there
1490 	 * before our driver loaded. To make sure our driver
1491 	 * is awared of those exclusion ranges.
1492 	 */
1493 	schedule_delayed_work(&smu->wbrf_delayed_work,
1494 			      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1495 
1496 	return 0;
1497 }
1498 
1499 /**
1500  * smu_wbrf_fini - tear down driver wbrf support
1501  *
1502  * @smu: smu_context pointer
1503  *
1504  * Unregisters with the wbrf notifier chain.
1505  */
smu_wbrf_fini(struct smu_context * smu)1506 static void smu_wbrf_fini(struct smu_context *smu)
1507 {
1508 	if (!smu->wbrf_supported)
1509 		return;
1510 
1511 	amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1512 
1513 	cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1514 }
1515 
smu_smc_hw_setup(struct smu_context * smu)1516 static int smu_smc_hw_setup(struct smu_context *smu)
1517 {
1518 	struct smu_feature *feature = &smu->smu_feature;
1519 	struct amdgpu_device *adev = smu->adev;
1520 	uint8_t pcie_gen = 0, pcie_width = 0;
1521 	uint64_t features_supported;
1522 	int ret = 0;
1523 
1524 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1525 	case IP_VERSION(11, 0, 7):
1526 	case IP_VERSION(11, 0, 11):
1527 	case IP_VERSION(11, 5, 0):
1528 	case IP_VERSION(11, 0, 12):
1529 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1530 			dev_info(adev->dev, "dpm has been enabled\n");
1531 			ret = smu_system_features_control(smu, true);
1532 			if (ret)
1533 				dev_err(adev->dev, "Failed system features control!\n");
1534 			return ret;
1535 		}
1536 		break;
1537 	default:
1538 		break;
1539 	}
1540 
1541 	ret = smu_init_display_count(smu, 0);
1542 	if (ret) {
1543 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1544 		return ret;
1545 	}
1546 
1547 	ret = smu_set_driver_table_location(smu);
1548 	if (ret) {
1549 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1550 		return ret;
1551 	}
1552 
1553 	/*
1554 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1555 	 */
1556 	ret = smu_set_tool_table_location(smu);
1557 	if (ret) {
1558 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1559 		return ret;
1560 	}
1561 
1562 	/*
1563 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1564 	 * pool location.
1565 	 */
1566 	ret = smu_notify_memory_pool_location(smu);
1567 	if (ret) {
1568 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1569 		return ret;
1570 	}
1571 
1572 	/*
1573 	 * It is assumed the pptable used before runpm is same as
1574 	 * the one used afterwards. Thus, we can reuse the stored
1575 	 * copy and do not need to resetup the pptable again.
1576 	 */
1577 	if (!adev->in_runpm) {
1578 		ret = smu_setup_pptable(smu);
1579 		if (ret) {
1580 			dev_err(adev->dev, "Failed to setup pptable!\n");
1581 			return ret;
1582 		}
1583 	}
1584 
1585 	/* smu_dump_pptable(smu); */
1586 
1587 	/*
1588 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1589 	 * (to SMU). Driver involvement is not needed and permitted.
1590 	 */
1591 	if (!adev->scpm_enabled) {
1592 		/*
1593 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1594 		 * SetDriverDramAddr and TransferTableDram2Smu.
1595 		 */
1596 		ret = smu_write_pptable(smu);
1597 		if (ret) {
1598 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1599 			return ret;
1600 		}
1601 	}
1602 
1603 	/* issue Run*Btc msg */
1604 	ret = smu_run_btc(smu);
1605 	if (ret)
1606 		return ret;
1607 
1608 	/* Enable UclkShadow on wbrf supported */
1609 	if (smu->wbrf_supported) {
1610 		ret = smu_enable_uclk_shadow(smu, true);
1611 		if (ret) {
1612 			dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1613 			return ret;
1614 		}
1615 	}
1616 
1617 	/*
1618 	 * With SCPM enabled, these actions(and relevant messages) are
1619 	 * not needed and permitted.
1620 	 */
1621 	if (!adev->scpm_enabled) {
1622 		ret = smu_feature_set_allowed_mask(smu);
1623 		if (ret) {
1624 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1625 			return ret;
1626 		}
1627 	}
1628 
1629 	ret = smu_system_features_control(smu, true);
1630 	if (ret) {
1631 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1632 		return ret;
1633 	}
1634 
1635 	smu_init_xgmi_plpd_mode(smu);
1636 
1637 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1638 	if (ret) {
1639 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1640 		return ret;
1641 	}
1642 	bitmap_copy(feature->supported,
1643 		    (unsigned long *)&features_supported,
1644 		    feature->feature_num);
1645 
1646 	if (!smu_is_dpm_running(smu))
1647 		dev_info(adev->dev, "dpm has been disabled\n");
1648 
1649 	/*
1650 	 * Set initialized values (get from vbios) to dpm tables context such as
1651 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1652 	 * type of clks.
1653 	 */
1654 	ret = smu_set_default_dpm_table(smu);
1655 	if (ret) {
1656 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1657 		return ret;
1658 	}
1659 
1660 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1661 		pcie_gen = 3;
1662 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1663 		pcie_gen = 2;
1664 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1665 		pcie_gen = 1;
1666 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1667 		pcie_gen = 0;
1668 
1669 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1670 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1671 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1672 	 */
1673 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1674 		pcie_width = 6;
1675 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1676 		pcie_width = 5;
1677 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1678 		pcie_width = 4;
1679 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1680 		pcie_width = 3;
1681 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1682 		pcie_width = 2;
1683 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1684 		pcie_width = 1;
1685 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1686 	if (ret) {
1687 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1688 		return ret;
1689 	}
1690 
1691 	ret = smu_get_thermal_temperature_range(smu);
1692 	if (ret) {
1693 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1694 		return ret;
1695 	}
1696 
1697 	ret = smu_enable_thermal_alert(smu);
1698 	if (ret) {
1699 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1700 	  return ret;
1701 	}
1702 
1703 	ret = smu_notify_display_change(smu);
1704 	if (ret) {
1705 		dev_err(adev->dev, "Failed to notify display change!\n");
1706 		return ret;
1707 	}
1708 
1709 	/*
1710 	 * Set min deep sleep dce fclk with bootup value from vbios via
1711 	 * SetMinDeepSleepDcefclk MSG.
1712 	 */
1713 	ret = smu_set_min_dcef_deep_sleep(smu,
1714 					  smu->smu_table.boot_values.dcefclk / 100);
1715 	if (ret) {
1716 		dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1717 		return ret;
1718 	}
1719 
1720 	/* Init wbrf support. Properly setup the notifier */
1721 	ret = smu_wbrf_init(smu);
1722 	if (ret)
1723 		dev_err(adev->dev, "Error during wbrf init call\n");
1724 
1725 	return ret;
1726 }
1727 
smu_start_smc_engine(struct smu_context * smu)1728 static int smu_start_smc_engine(struct smu_context *smu)
1729 {
1730 	struct amdgpu_device *adev = smu->adev;
1731 	int ret = 0;
1732 
1733 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1734 		if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1735 			if (smu->ppt_funcs->load_microcode) {
1736 				ret = smu->ppt_funcs->load_microcode(smu);
1737 				if (ret)
1738 					return ret;
1739 			}
1740 		}
1741 	}
1742 
1743 	if (smu->ppt_funcs->check_fw_status) {
1744 		ret = smu->ppt_funcs->check_fw_status(smu);
1745 		if (ret) {
1746 			dev_err(adev->dev, "SMC is not ready\n");
1747 			return ret;
1748 		}
1749 	}
1750 
1751 	/*
1752 	 * Send msg GetDriverIfVersion to check if the return value is equal
1753 	 * with DRIVER_IF_VERSION of smc header.
1754 	 */
1755 	ret = smu_check_fw_version(smu);
1756 	if (ret)
1757 		return ret;
1758 
1759 	return ret;
1760 }
1761 
smu_hw_init(void * handle)1762 static int smu_hw_init(void *handle)
1763 {
1764 	int ret;
1765 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1766 	struct smu_context *smu = adev->powerplay.pp_handle;
1767 
1768 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1769 		smu->pm_enabled = false;
1770 		return 0;
1771 	}
1772 
1773 	ret = smu_start_smc_engine(smu);
1774 	if (ret) {
1775 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1776 		return ret;
1777 	}
1778 
1779 	/*
1780 	 * Check whether wbrf is supported. This needs to be done
1781 	 * before SMU setup starts since part of SMU configuration
1782 	 * relies on this.
1783 	 */
1784 	smu_wbrf_support_check(smu);
1785 
1786 	if (smu->is_apu) {
1787 		ret = smu_set_gfx_imu_enable(smu);
1788 		if (ret)
1789 			return ret;
1790 		smu_dpm_set_vcn_enable(smu, true);
1791 		smu_dpm_set_jpeg_enable(smu, true);
1792 		smu_dpm_set_vpe_enable(smu, true);
1793 		smu_dpm_set_umsch_mm_enable(smu, true);
1794 		smu_set_gfx_cgpg(smu, true);
1795 	}
1796 
1797 	if (!smu->pm_enabled)
1798 		return 0;
1799 
1800 	ret = smu_get_driver_allowed_feature_mask(smu);
1801 	if (ret)
1802 		return ret;
1803 
1804 	ret = smu_smc_hw_setup(smu);
1805 	if (ret) {
1806 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1807 		return ret;
1808 	}
1809 
1810 	/*
1811 	 * Move maximum sustainable clock retrieving here considering
1812 	 * 1. It is not needed on resume(from S3).
1813 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1814 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1815 	 *    it cannot be put in .late_init().
1816 	 */
1817 	ret = smu_init_max_sustainable_clocks(smu);
1818 	if (ret) {
1819 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1820 		return ret;
1821 	}
1822 
1823 	adev->pm.dpm_enabled = true;
1824 
1825 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1826 
1827 	return 0;
1828 }
1829 
smu_disable_dpms(struct smu_context * smu)1830 static int smu_disable_dpms(struct smu_context *smu)
1831 {
1832 	struct amdgpu_device *adev = smu->adev;
1833 	int ret = 0;
1834 	bool use_baco = !smu->is_apu &&
1835 		((amdgpu_in_reset(adev) &&
1836 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1837 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1838 
1839 	/*
1840 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1841 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1842 	 */
1843 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1844 	case IP_VERSION(13, 0, 0):
1845 	case IP_VERSION(13, 0, 7):
1846 	case IP_VERSION(13, 0, 10):
1847 		return 0;
1848 	default:
1849 		break;
1850 	}
1851 
1852 	/*
1853 	 * For custom pptable uploading, skip the DPM features
1854 	 * disable process on Navi1x ASICs.
1855 	 *   - As the gfx related features are under control of
1856 	 *     RLC on those ASICs. RLC reinitialization will be
1857 	 *     needed to reenable them. That will cost much more
1858 	 *     efforts.
1859 	 *
1860 	 *   - SMU firmware can handle the DPM reenablement
1861 	 *     properly.
1862 	 */
1863 	if (smu->uploading_custom_pp_table) {
1864 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1865 		case IP_VERSION(11, 0, 0):
1866 		case IP_VERSION(11, 0, 5):
1867 		case IP_VERSION(11, 0, 9):
1868 		case IP_VERSION(11, 0, 7):
1869 		case IP_VERSION(11, 0, 11):
1870 		case IP_VERSION(11, 5, 0):
1871 		case IP_VERSION(11, 0, 12):
1872 		case IP_VERSION(11, 0, 13):
1873 			return 0;
1874 		default:
1875 			break;
1876 		}
1877 	}
1878 
1879 	/*
1880 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1881 	 * on BACO in. Driver involvement is unnecessary.
1882 	 */
1883 	if (use_baco) {
1884 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1885 		case IP_VERSION(11, 0, 7):
1886 		case IP_VERSION(11, 0, 0):
1887 		case IP_VERSION(11, 0, 5):
1888 		case IP_VERSION(11, 0, 9):
1889 		case IP_VERSION(13, 0, 7):
1890 			return 0;
1891 		default:
1892 			break;
1893 		}
1894 	}
1895 
1896 	/*
1897 	 * For SMU 13.0.4/11 and 14.0.0, PMFW will handle the features disablement properly
1898 	 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1899 	 */
1900 	if (amdgpu_in_reset(adev) || adev->in_s0ix) {
1901 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1902 		case IP_VERSION(13, 0, 4):
1903 		case IP_VERSION(13, 0, 11):
1904 		case IP_VERSION(14, 0, 0):
1905 		case IP_VERSION(14, 0, 1):
1906 			return 0;
1907 		default:
1908 			break;
1909 		}
1910 	}
1911 
1912 	/*
1913 	 * For gpu reset, runpm and hibernation through BACO,
1914 	 * BACO feature has to be kept enabled.
1915 	 */
1916 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1917 		ret = smu_disable_all_features_with_exception(smu,
1918 							      SMU_FEATURE_BACO_BIT);
1919 		if (ret)
1920 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1921 	} else {
1922 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1923 		if (!adev->scpm_enabled) {
1924 			ret = smu_system_features_control(smu, false);
1925 			if (ret)
1926 				dev_err(adev->dev, "Failed to disable smu features.\n");
1927 		}
1928 	}
1929 
1930 	/* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
1931 	 * otherwise SMU will hang while interacting with RLC if RLC is halted
1932 	 * this is a WA for Vangogh asic which fix the SMU hang issue.
1933 	 */
1934 	ret = smu_notify_rlc_state(smu, false);
1935 	if (ret) {
1936 		dev_err(adev->dev, "Fail to notify rlc status!\n");
1937 		return ret;
1938 	}
1939 
1940 	if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
1941 	    !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
1942 	    !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1943 		adev->gfx.rlc.funcs->stop(adev);
1944 
1945 	return ret;
1946 }
1947 
smu_smc_hw_cleanup(struct smu_context * smu)1948 static int smu_smc_hw_cleanup(struct smu_context *smu)
1949 {
1950 	struct amdgpu_device *adev = smu->adev;
1951 	int ret = 0;
1952 
1953 	smu_wbrf_fini(smu);
1954 
1955 	cancel_work_sync(&smu->throttling_logging_work);
1956 	cancel_work_sync(&smu->interrupt_work);
1957 
1958 	ret = smu_disable_thermal_alert(smu);
1959 	if (ret) {
1960 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
1961 		return ret;
1962 	}
1963 
1964 	cancel_delayed_work_sync(&smu->swctf_delayed_work);
1965 
1966 	ret = smu_disable_dpms(smu);
1967 	if (ret) {
1968 		dev_err(adev->dev, "Fail to disable dpm features!\n");
1969 		return ret;
1970 	}
1971 
1972 	return 0;
1973 }
1974 
smu_reset_mp1_state(struct smu_context * smu)1975 static int smu_reset_mp1_state(struct smu_context *smu)
1976 {
1977 	struct amdgpu_device *adev = smu->adev;
1978 	int ret = 0;
1979 
1980 	if ((!adev->in_runpm) && (!adev->in_suspend) &&
1981 		(!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
1982 									IP_VERSION(13, 0, 10) &&
1983 		!amdgpu_device_has_display_hardware(adev))
1984 		ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
1985 
1986 	return ret;
1987 }
1988 
smu_hw_fini(void * handle)1989 static int smu_hw_fini(void *handle)
1990 {
1991 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1992 	struct smu_context *smu = adev->powerplay.pp_handle;
1993 	int ret;
1994 
1995 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1996 		return 0;
1997 
1998 	smu_dpm_set_vcn_enable(smu, false);
1999 	smu_dpm_set_jpeg_enable(smu, false);
2000 	smu_dpm_set_vpe_enable(smu, false);
2001 	smu_dpm_set_umsch_mm_enable(smu, false);
2002 
2003 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
2004 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2005 
2006 	if (!smu->pm_enabled)
2007 		return 0;
2008 
2009 	adev->pm.dpm_enabled = false;
2010 
2011 	ret = smu_smc_hw_cleanup(smu);
2012 	if (ret)
2013 		return ret;
2014 
2015 	ret = smu_reset_mp1_state(smu);
2016 	if (ret)
2017 		return ret;
2018 
2019 	return 0;
2020 }
2021 
smu_late_fini(void * handle)2022 static void smu_late_fini(void *handle)
2023 {
2024 	struct amdgpu_device *adev = handle;
2025 	struct smu_context *smu = adev->powerplay.pp_handle;
2026 
2027 	kfree(smu);
2028 }
2029 
smu_reset(struct smu_context * smu)2030 static int smu_reset(struct smu_context *smu)
2031 {
2032 	struct amdgpu_device *adev = smu->adev;
2033 	int ret;
2034 
2035 	ret = smu_hw_fini(adev);
2036 	if (ret)
2037 		return ret;
2038 
2039 	ret = smu_hw_init(adev);
2040 	if (ret)
2041 		return ret;
2042 
2043 	ret = smu_late_init(adev);
2044 	if (ret)
2045 		return ret;
2046 
2047 	return 0;
2048 }
2049 
smu_suspend(void * handle)2050 static int smu_suspend(void *handle)
2051 {
2052 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2053 	struct smu_context *smu = adev->powerplay.pp_handle;
2054 	int ret;
2055 	uint64_t count;
2056 
2057 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2058 		return 0;
2059 
2060 	if (!smu->pm_enabled)
2061 		return 0;
2062 
2063 	adev->pm.dpm_enabled = false;
2064 
2065 	ret = smu_smc_hw_cleanup(smu);
2066 	if (ret)
2067 		return ret;
2068 
2069 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2070 
2071 	smu_set_gfx_cgpg(smu, false);
2072 
2073 	/*
2074 	 * pwfw resets entrycount when device is suspended, so we save the
2075 	 * last value to be used when we resume to keep it consistent
2076 	 */
2077 	ret = smu_get_entrycount_gfxoff(smu, &count);
2078 	if (!ret)
2079 		adev->gfx.gfx_off_entrycount = count;
2080 
2081 	return 0;
2082 }
2083 
smu_resume(void * handle)2084 static int smu_resume(void *handle)
2085 {
2086 	int ret;
2087 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2088 	struct smu_context *smu = adev->powerplay.pp_handle;
2089 
2090 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
2091 		return 0;
2092 
2093 	if (!smu->pm_enabled)
2094 		return 0;
2095 
2096 	dev_info(adev->dev, "SMU is resuming...\n");
2097 
2098 	ret = smu_start_smc_engine(smu);
2099 	if (ret) {
2100 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
2101 		return ret;
2102 	}
2103 
2104 	ret = smu_smc_hw_setup(smu);
2105 	if (ret) {
2106 		dev_err(adev->dev, "Failed to setup smc hw!\n");
2107 		return ret;
2108 	}
2109 
2110 	ret = smu_set_gfx_imu_enable(smu);
2111 	if (ret)
2112 		return ret;
2113 
2114 	smu_set_gfx_cgpg(smu, true);
2115 
2116 	smu->disable_uclk_switch = 0;
2117 
2118 	adev->pm.dpm_enabled = true;
2119 
2120 	dev_info(adev->dev, "SMU is resumed successfully!\n");
2121 
2122 	return 0;
2123 }
2124 
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)2125 static int smu_display_configuration_change(void *handle,
2126 					    const struct amd_pp_display_configuration *display_config)
2127 {
2128 	struct smu_context *smu = handle;
2129 
2130 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2131 		return -EOPNOTSUPP;
2132 
2133 	if (!display_config)
2134 		return -EINVAL;
2135 
2136 	smu_set_min_dcef_deep_sleep(smu,
2137 				    display_config->min_dcef_deep_sleep_set_clk / 100);
2138 
2139 	return 0;
2140 }
2141 
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)2142 static int smu_set_clockgating_state(void *handle,
2143 				     enum amd_clockgating_state state)
2144 {
2145 	return 0;
2146 }
2147 
smu_set_powergating_state(void * handle,enum amd_powergating_state state)2148 static int smu_set_powergating_state(void *handle,
2149 				     enum amd_powergating_state state)
2150 {
2151 	return 0;
2152 }
2153 
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)2154 static int smu_enable_umd_pstate(void *handle,
2155 		      enum amd_dpm_forced_level *level)
2156 {
2157 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2158 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2159 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2160 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2161 
2162 	struct smu_context *smu = (struct smu_context*)(handle);
2163 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2164 
2165 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2166 		return -EINVAL;
2167 
2168 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2169 		/* enter umd pstate, save current level, disable gfx cg*/
2170 		if (*level & profile_mode_mask) {
2171 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2172 			smu_gpo_control(smu, false);
2173 			smu_gfx_ulv_control(smu, false);
2174 			smu_deep_sleep_control(smu, false);
2175 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2176 		}
2177 	} else {
2178 		/* exit umd pstate, restore level, enable gfx cg*/
2179 		if (!(*level & profile_mode_mask)) {
2180 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2181 				*level = smu_dpm_ctx->saved_dpm_level;
2182 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2183 			smu_deep_sleep_control(smu, true);
2184 			smu_gfx_ulv_control(smu, true);
2185 			smu_gpo_control(smu, true);
2186 		}
2187 	}
2188 
2189 	return 0;
2190 }
2191 
smu_bump_power_profile_mode(struct smu_context * smu,long * param,uint32_t param_size)2192 static int smu_bump_power_profile_mode(struct smu_context *smu,
2193 					   long *param,
2194 					   uint32_t param_size)
2195 {
2196 	int ret = 0;
2197 
2198 	if (smu->ppt_funcs->set_power_profile_mode)
2199 		ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
2200 
2201 	return ret;
2202 }
2203 
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings)2204 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2205 				   enum amd_dpm_forced_level level,
2206 				   bool skip_display_settings)
2207 {
2208 	int ret = 0;
2209 	int index = 0;
2210 	long workload;
2211 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2212 
2213 	if (!skip_display_settings) {
2214 		ret = smu_display_config_changed(smu);
2215 		if (ret) {
2216 			dev_err(smu->adev->dev, "Failed to change display config!");
2217 			return ret;
2218 		}
2219 	}
2220 
2221 	ret = smu_apply_clocks_adjust_rules(smu);
2222 	if (ret) {
2223 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2224 		return ret;
2225 	}
2226 
2227 	if (!skip_display_settings) {
2228 		ret = smu_notify_smc_display_config(smu);
2229 		if (ret) {
2230 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
2231 			return ret;
2232 		}
2233 	}
2234 
2235 	if (smu_dpm_ctx->dpm_level != level) {
2236 		ret = smu_asic_set_performance_level(smu, level);
2237 		if (ret) {
2238 			dev_err(smu->adev->dev, "Failed to set performance level!");
2239 			return ret;
2240 		}
2241 
2242 		/* update the saved copy */
2243 		smu_dpm_ctx->dpm_level = level;
2244 	}
2245 
2246 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2247 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2248 		index = fls(smu->workload_mask);
2249 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2250 		workload = smu->workload_setting[index];
2251 
2252 		if (smu->power_profile_mode != workload)
2253 			smu_bump_power_profile_mode(smu, &workload, 0);
2254 	}
2255 
2256 	return ret;
2257 }
2258 
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)2259 static int smu_handle_task(struct smu_context *smu,
2260 			   enum amd_dpm_forced_level level,
2261 			   enum amd_pp_task task_id)
2262 {
2263 	int ret = 0;
2264 
2265 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2266 		return -EOPNOTSUPP;
2267 
2268 	switch (task_id) {
2269 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2270 		ret = smu_pre_display_config_changed(smu);
2271 		if (ret)
2272 			return ret;
2273 		ret = smu_adjust_power_state_dynamic(smu, level, false);
2274 		break;
2275 	case AMD_PP_TASK_COMPLETE_INIT:
2276 	case AMD_PP_TASK_READJUST_POWER_STATE:
2277 		ret = smu_adjust_power_state_dynamic(smu, level, true);
2278 		break;
2279 	default:
2280 		break;
2281 	}
2282 
2283 	return ret;
2284 }
2285 
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)2286 static int smu_handle_dpm_task(void *handle,
2287 			       enum amd_pp_task task_id,
2288 			       enum amd_pm_state_type *user_state)
2289 {
2290 	struct smu_context *smu = handle;
2291 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2292 
2293 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2294 
2295 }
2296 
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool en)2297 static int smu_switch_power_profile(void *handle,
2298 				    enum PP_SMC_POWER_PROFILE type,
2299 				    bool en)
2300 {
2301 	struct smu_context *smu = handle;
2302 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2303 	long workload;
2304 	uint32_t index;
2305 
2306 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2307 		return -EOPNOTSUPP;
2308 
2309 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2310 		return -EINVAL;
2311 
2312 	if (!en) {
2313 		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
2314 		index = fls(smu->workload_mask);
2315 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2316 		workload = smu->workload_setting[index];
2317 	} else {
2318 		smu->workload_mask |= (1 << smu->workload_prority[type]);
2319 		index = fls(smu->workload_mask);
2320 		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2321 		workload = smu->workload_setting[index];
2322 	}
2323 
2324 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2325 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2326 		smu_bump_power_profile_mode(smu, &workload, 0);
2327 
2328 	return 0;
2329 }
2330 
smu_get_performance_level(void * handle)2331 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2332 {
2333 	struct smu_context *smu = handle;
2334 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2335 
2336 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2337 		return -EOPNOTSUPP;
2338 
2339 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2340 		return -EINVAL;
2341 
2342 	return smu_dpm_ctx->dpm_level;
2343 }
2344 
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)2345 static int smu_force_performance_level(void *handle,
2346 				       enum amd_dpm_forced_level level)
2347 {
2348 	struct smu_context *smu = handle;
2349 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2350 	int ret = 0;
2351 
2352 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2353 		return -EOPNOTSUPP;
2354 
2355 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2356 		return -EINVAL;
2357 
2358 	ret = smu_enable_umd_pstate(smu, &level);
2359 	if (ret)
2360 		return ret;
2361 
2362 	ret = smu_handle_task(smu, level,
2363 			      AMD_PP_TASK_READJUST_POWER_STATE);
2364 
2365 	/* reset user dpm clock state */
2366 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2367 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2368 		smu->user_dpm_profile.clk_dependency = 0;
2369 	}
2370 
2371 	return ret;
2372 }
2373 
smu_set_display_count(void * handle,uint32_t count)2374 static int smu_set_display_count(void *handle, uint32_t count)
2375 {
2376 	struct smu_context *smu = handle;
2377 
2378 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2379 		return -EOPNOTSUPP;
2380 
2381 	return smu_init_display_count(smu, count);
2382 }
2383 
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2384 static int smu_force_smuclk_levels(struct smu_context *smu,
2385 			 enum smu_clk_type clk_type,
2386 			 uint32_t mask)
2387 {
2388 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2389 	int ret = 0;
2390 
2391 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2392 		return -EOPNOTSUPP;
2393 
2394 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2395 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2396 		return -EINVAL;
2397 	}
2398 
2399 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2400 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2401 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2402 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
2403 			smu_set_user_clk_dependencies(smu, clk_type);
2404 		}
2405 	}
2406 
2407 	return ret;
2408 }
2409 
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2410 static int smu_force_ppclk_levels(void *handle,
2411 				  enum pp_clock_type type,
2412 				  uint32_t mask)
2413 {
2414 	struct smu_context *smu = handle;
2415 	enum smu_clk_type clk_type;
2416 
2417 	switch (type) {
2418 	case PP_SCLK:
2419 		clk_type = SMU_SCLK; break;
2420 	case PP_MCLK:
2421 		clk_type = SMU_MCLK; break;
2422 	case PP_PCIE:
2423 		clk_type = SMU_PCIE; break;
2424 	case PP_SOCCLK:
2425 		clk_type = SMU_SOCCLK; break;
2426 	case PP_FCLK:
2427 		clk_type = SMU_FCLK; break;
2428 	case PP_DCEFCLK:
2429 		clk_type = SMU_DCEFCLK; break;
2430 	case PP_VCLK:
2431 		clk_type = SMU_VCLK; break;
2432 	case PP_VCLK1:
2433 		clk_type = SMU_VCLK1; break;
2434 	case PP_DCLK:
2435 		clk_type = SMU_DCLK; break;
2436 	case PP_DCLK1:
2437 		clk_type = SMU_DCLK1; break;
2438 	case OD_SCLK:
2439 		clk_type = SMU_OD_SCLK; break;
2440 	case OD_MCLK:
2441 		clk_type = SMU_OD_MCLK; break;
2442 	case OD_VDDC_CURVE:
2443 		clk_type = SMU_OD_VDDC_CURVE; break;
2444 	case OD_RANGE:
2445 		clk_type = SMU_OD_RANGE; break;
2446 	default:
2447 		return -EINVAL;
2448 	}
2449 
2450 	return smu_force_smuclk_levels(smu, clk_type, mask);
2451 }
2452 
2453 /*
2454  * On system suspending or resetting, the dpm_enabled
2455  * flag will be cleared. So that those SMU services which
2456  * are not supported will be gated.
2457  * However, the mp1 state setting should still be granted
2458  * even if the dpm_enabled cleared.
2459  */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2460 static int smu_set_mp1_state(void *handle,
2461 			     enum pp_mp1_state mp1_state)
2462 {
2463 	struct smu_context *smu = handle;
2464 	int ret = 0;
2465 
2466 	if (!smu->pm_enabled)
2467 		return -EOPNOTSUPP;
2468 
2469 	if (smu->ppt_funcs &&
2470 	    smu->ppt_funcs->set_mp1_state)
2471 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2472 
2473 	return ret;
2474 }
2475 
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2476 static int smu_set_df_cstate(void *handle,
2477 			     enum pp_df_cstate state)
2478 {
2479 	struct smu_context *smu = handle;
2480 	int ret = 0;
2481 
2482 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2483 		return -EOPNOTSUPP;
2484 
2485 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2486 		return 0;
2487 
2488 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2489 	if (ret)
2490 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2491 
2492 	return ret;
2493 }
2494 
smu_write_watermarks_table(struct smu_context * smu)2495 int smu_write_watermarks_table(struct smu_context *smu)
2496 {
2497 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2498 		return -EOPNOTSUPP;
2499 
2500 	return smu_set_watermarks_table(smu, NULL);
2501 }
2502 
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2503 static int smu_set_watermarks_for_clock_ranges(void *handle,
2504 					       struct pp_smu_wm_range_sets *clock_ranges)
2505 {
2506 	struct smu_context *smu = handle;
2507 
2508 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2509 		return -EOPNOTSUPP;
2510 
2511 	if (smu->disable_watermark)
2512 		return 0;
2513 
2514 	return smu_set_watermarks_table(smu, clock_ranges);
2515 }
2516 
smu_set_ac_dc(struct smu_context * smu)2517 int smu_set_ac_dc(struct smu_context *smu)
2518 {
2519 	int ret = 0;
2520 
2521 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2522 		return -EOPNOTSUPP;
2523 
2524 	/* controlled by firmware */
2525 	if (smu->dc_controlled_by_gpio)
2526 		return 0;
2527 
2528 	ret = smu_set_power_source(smu,
2529 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2530 				   SMU_POWER_SOURCE_DC);
2531 	if (ret)
2532 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2533 		       smu->adev->pm.ac_power ? "AC" : "DC");
2534 
2535 	return ret;
2536 }
2537 
2538 const struct amd_ip_funcs smu_ip_funcs = {
2539 	.name = "smu",
2540 	.early_init = smu_early_init,
2541 	.late_init = smu_late_init,
2542 	.sw_init = smu_sw_init,
2543 	.sw_fini = smu_sw_fini,
2544 	.hw_init = smu_hw_init,
2545 	.hw_fini = smu_hw_fini,
2546 	.late_fini = smu_late_fini,
2547 	.suspend = smu_suspend,
2548 	.resume = smu_resume,
2549 	.is_idle = NULL,
2550 	.check_soft_reset = NULL,
2551 	.wait_for_idle = NULL,
2552 	.soft_reset = NULL,
2553 	.set_clockgating_state = smu_set_clockgating_state,
2554 	.set_powergating_state = smu_set_powergating_state,
2555 };
2556 
2557 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2558 	.type = AMD_IP_BLOCK_TYPE_SMC,
2559 	.major = 11,
2560 	.minor = 0,
2561 	.rev = 0,
2562 	.funcs = &smu_ip_funcs,
2563 };
2564 
2565 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2566 	.type = AMD_IP_BLOCK_TYPE_SMC,
2567 	.major = 12,
2568 	.minor = 0,
2569 	.rev = 0,
2570 	.funcs = &smu_ip_funcs,
2571 };
2572 
2573 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2574 	.type = AMD_IP_BLOCK_TYPE_SMC,
2575 	.major = 13,
2576 	.minor = 0,
2577 	.rev = 0,
2578 	.funcs = &smu_ip_funcs,
2579 };
2580 
2581 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2582 	.type = AMD_IP_BLOCK_TYPE_SMC,
2583 	.major = 14,
2584 	.minor = 0,
2585 	.rev = 0,
2586 	.funcs = &smu_ip_funcs,
2587 };
2588 
smu_load_microcode(void * handle)2589 static int smu_load_microcode(void *handle)
2590 {
2591 	struct smu_context *smu = handle;
2592 	struct amdgpu_device *adev = smu->adev;
2593 	int ret = 0;
2594 
2595 	if (!smu->pm_enabled)
2596 		return -EOPNOTSUPP;
2597 
2598 	/* This should be used for non PSP loading */
2599 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2600 		return 0;
2601 
2602 	if (smu->ppt_funcs->load_microcode) {
2603 		ret = smu->ppt_funcs->load_microcode(smu);
2604 		if (ret) {
2605 			dev_err(adev->dev, "Load microcode failed\n");
2606 			return ret;
2607 		}
2608 	}
2609 
2610 	if (smu->ppt_funcs->check_fw_status) {
2611 		ret = smu->ppt_funcs->check_fw_status(smu);
2612 		if (ret) {
2613 			dev_err(adev->dev, "SMC is not ready\n");
2614 			return ret;
2615 		}
2616 	}
2617 
2618 	return ret;
2619 }
2620 
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2621 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2622 {
2623 	int ret = 0;
2624 
2625 	if (smu->ppt_funcs->set_gfx_cgpg)
2626 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2627 
2628 	return ret;
2629 }
2630 
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2631 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2632 {
2633 	struct smu_context *smu = handle;
2634 	int ret = 0;
2635 
2636 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2637 		return -EOPNOTSUPP;
2638 
2639 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2640 		return -EOPNOTSUPP;
2641 
2642 	if (speed == U32_MAX)
2643 		return -EINVAL;
2644 
2645 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2646 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2647 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2648 		smu->user_dpm_profile.fan_speed_rpm = speed;
2649 
2650 		/* Override custom PWM setting as they cannot co-exist */
2651 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2652 		smu->user_dpm_profile.fan_speed_pwm = 0;
2653 	}
2654 
2655 	return ret;
2656 }
2657 
2658 /**
2659  * smu_get_power_limit - Request one of the SMU Power Limits
2660  *
2661  * @handle: pointer to smu context
2662  * @limit: requested limit is written back to this variable
2663  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2664  * @pp_power_type: &pp_power_type type of power
2665  * Return:  0 on success, <0 on error
2666  *
2667  */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2668 int smu_get_power_limit(void *handle,
2669 			uint32_t *limit,
2670 			enum pp_power_limit_level pp_limit_level,
2671 			enum pp_power_type pp_power_type)
2672 {
2673 	struct smu_context *smu = handle;
2674 	struct amdgpu_device *adev = smu->adev;
2675 	enum smu_ppt_limit_level limit_level;
2676 	uint32_t limit_type;
2677 	int ret = 0;
2678 
2679 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2680 		return -EOPNOTSUPP;
2681 
2682 	switch (pp_power_type) {
2683 	case PP_PWR_TYPE_SUSTAINED:
2684 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2685 		break;
2686 	case PP_PWR_TYPE_FAST:
2687 		limit_type = SMU_FAST_PPT_LIMIT;
2688 		break;
2689 	default:
2690 		return -EOPNOTSUPP;
2691 	}
2692 
2693 	switch (pp_limit_level) {
2694 	case PP_PWR_LIMIT_CURRENT:
2695 		limit_level = SMU_PPT_LIMIT_CURRENT;
2696 		break;
2697 	case PP_PWR_LIMIT_DEFAULT:
2698 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2699 		break;
2700 	case PP_PWR_LIMIT_MAX:
2701 		limit_level = SMU_PPT_LIMIT_MAX;
2702 		break;
2703 	case PP_PWR_LIMIT_MIN:
2704 		limit_level = SMU_PPT_LIMIT_MIN;
2705 		break;
2706 	default:
2707 		return -EOPNOTSUPP;
2708 	}
2709 
2710 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2711 		if (smu->ppt_funcs->get_ppt_limit)
2712 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2713 	} else {
2714 		switch (limit_level) {
2715 		case SMU_PPT_LIMIT_CURRENT:
2716 			switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2717 			case IP_VERSION(13, 0, 2):
2718 			case IP_VERSION(13, 0, 6):
2719 			case IP_VERSION(11, 0, 7):
2720 			case IP_VERSION(11, 0, 11):
2721 			case IP_VERSION(11, 0, 12):
2722 			case IP_VERSION(11, 0, 13):
2723 				ret = smu_get_asic_power_limits(smu,
2724 								&smu->current_power_limit,
2725 								NULL, NULL, NULL);
2726 				break;
2727 			default:
2728 				break;
2729 			}
2730 			*limit = smu->current_power_limit;
2731 			break;
2732 		case SMU_PPT_LIMIT_DEFAULT:
2733 			*limit = smu->default_power_limit;
2734 			break;
2735 		case SMU_PPT_LIMIT_MAX:
2736 			*limit = smu->max_power_limit;
2737 			break;
2738 		case SMU_PPT_LIMIT_MIN:
2739 			*limit = smu->min_power_limit;
2740 			break;
2741 		default:
2742 			return -EINVAL;
2743 		}
2744 	}
2745 
2746 	return ret;
2747 }
2748 
smu_set_power_limit(void * handle,uint32_t limit)2749 static int smu_set_power_limit(void *handle, uint32_t limit)
2750 {
2751 	struct smu_context *smu = handle;
2752 	uint32_t limit_type = limit >> 24;
2753 	int ret = 0;
2754 
2755 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2756 		return -EOPNOTSUPP;
2757 
2758 	limit &= (1<<24)-1;
2759 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2760 		if (smu->ppt_funcs->set_power_limit)
2761 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2762 
2763 	if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2764 		dev_err(smu->adev->dev,
2765 			"New power limit (%d) is out of range [%d,%d]\n",
2766 			limit, smu->min_power_limit, smu->max_power_limit);
2767 		return -EINVAL;
2768 	}
2769 
2770 	if (!limit)
2771 		limit = smu->current_power_limit;
2772 
2773 	if (smu->ppt_funcs->set_power_limit) {
2774 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2775 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2776 			smu->user_dpm_profile.power_limit = limit;
2777 	}
2778 
2779 	return ret;
2780 }
2781 
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2782 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2783 {
2784 	int ret = 0;
2785 
2786 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2787 		return -EOPNOTSUPP;
2788 
2789 	if (smu->ppt_funcs->print_clk_levels)
2790 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2791 
2792 	return ret;
2793 }
2794 
smu_convert_to_smuclk(enum pp_clock_type type)2795 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2796 {
2797 	enum smu_clk_type clk_type;
2798 
2799 	switch (type) {
2800 	case PP_SCLK:
2801 		clk_type = SMU_SCLK; break;
2802 	case PP_MCLK:
2803 		clk_type = SMU_MCLK; break;
2804 	case PP_PCIE:
2805 		clk_type = SMU_PCIE; break;
2806 	case PP_SOCCLK:
2807 		clk_type = SMU_SOCCLK; break;
2808 	case PP_FCLK:
2809 		clk_type = SMU_FCLK; break;
2810 	case PP_DCEFCLK:
2811 		clk_type = SMU_DCEFCLK; break;
2812 	case PP_VCLK:
2813 		clk_type = SMU_VCLK; break;
2814 	case PP_VCLK1:
2815 		clk_type = SMU_VCLK1; break;
2816 	case PP_DCLK:
2817 		clk_type = SMU_DCLK; break;
2818 	case PP_DCLK1:
2819 		clk_type = SMU_DCLK1; break;
2820 	case OD_SCLK:
2821 		clk_type = SMU_OD_SCLK; break;
2822 	case OD_MCLK:
2823 		clk_type = SMU_OD_MCLK; break;
2824 	case OD_VDDC_CURVE:
2825 		clk_type = SMU_OD_VDDC_CURVE; break;
2826 	case OD_RANGE:
2827 		clk_type = SMU_OD_RANGE; break;
2828 	case OD_VDDGFX_OFFSET:
2829 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2830 	case OD_CCLK:
2831 		clk_type = SMU_OD_CCLK; break;
2832 	case OD_FAN_CURVE:
2833 		clk_type = SMU_OD_FAN_CURVE; break;
2834 	case OD_ACOUSTIC_LIMIT:
2835 		clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
2836 	case OD_ACOUSTIC_TARGET:
2837 		clk_type = SMU_OD_ACOUSTIC_TARGET; break;
2838 	case OD_FAN_TARGET_TEMPERATURE:
2839 		clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
2840 	case OD_FAN_MINIMUM_PWM:
2841 		clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
2842 	default:
2843 		clk_type = SMU_CLK_COUNT; break;
2844 	}
2845 
2846 	return clk_type;
2847 }
2848 
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2849 static int smu_print_ppclk_levels(void *handle,
2850 				  enum pp_clock_type type,
2851 				  char *buf)
2852 {
2853 	struct smu_context *smu = handle;
2854 	enum smu_clk_type clk_type;
2855 
2856 	clk_type = smu_convert_to_smuclk(type);
2857 	if (clk_type == SMU_CLK_COUNT)
2858 		return -EINVAL;
2859 
2860 	return smu_print_smuclk_levels(smu, clk_type, buf);
2861 }
2862 
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2863 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2864 {
2865 	struct smu_context *smu = handle;
2866 	enum smu_clk_type clk_type;
2867 
2868 	clk_type = smu_convert_to_smuclk(type);
2869 	if (clk_type == SMU_CLK_COUNT)
2870 		return -EINVAL;
2871 
2872 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2873 		return -EOPNOTSUPP;
2874 
2875 	if (!smu->ppt_funcs->emit_clk_levels)
2876 		return -ENOENT;
2877 
2878 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2879 
2880 }
2881 
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2882 static int smu_od_edit_dpm_table(void *handle,
2883 				 enum PP_OD_DPM_TABLE_COMMAND type,
2884 				 long *input, uint32_t size)
2885 {
2886 	struct smu_context *smu = handle;
2887 	int ret = 0;
2888 
2889 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2890 		return -EOPNOTSUPP;
2891 
2892 	if (smu->ppt_funcs->od_edit_dpm_table) {
2893 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2894 	}
2895 
2896 	return ret;
2897 }
2898 
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2899 static int smu_read_sensor(void *handle,
2900 			   int sensor,
2901 			   void *data,
2902 			   int *size_arg)
2903 {
2904 	struct smu_context *smu = handle;
2905 	struct smu_umd_pstate_table *pstate_table =
2906 				&smu->pstate_table;
2907 	int ret = 0;
2908 	uint32_t *size, size_val;
2909 
2910 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2911 		return -EOPNOTSUPP;
2912 
2913 	if (!data || !size_arg)
2914 		return -EINVAL;
2915 
2916 	size_val = *size_arg;
2917 	size = &size_val;
2918 
2919 	if (smu->ppt_funcs->read_sensor)
2920 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2921 			goto unlock;
2922 
2923 	switch (sensor) {
2924 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2925 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2926 		*size = 4;
2927 		break;
2928 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2929 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2930 		*size = 4;
2931 		break;
2932 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2933 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2934 		*size = 4;
2935 		break;
2936 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2937 		*((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2938 		*size = 4;
2939 		break;
2940 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2941 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2942 		*size = 8;
2943 		break;
2944 	case AMDGPU_PP_SENSOR_UVD_POWER:
2945 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2946 		*size = 4;
2947 		break;
2948 	case AMDGPU_PP_SENSOR_VCE_POWER:
2949 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2950 		*size = 4;
2951 		break;
2952 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2953 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
2954 		*size = 4;
2955 		break;
2956 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2957 		*(uint32_t *)data = 0;
2958 		*size = 4;
2959 		break;
2960 	default:
2961 		*size = 0;
2962 		ret = -EOPNOTSUPP;
2963 		break;
2964 	}
2965 
2966 unlock:
2967 	// assign uint32_t to int
2968 	*size_arg = size_val;
2969 
2970 	return ret;
2971 }
2972 
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)2973 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
2974 {
2975 	int ret = -EOPNOTSUPP;
2976 	struct smu_context *smu = handle;
2977 
2978 	if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
2979 		ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
2980 
2981 	return ret;
2982 }
2983 
smu_set_apu_thermal_limit(void * handle,uint32_t limit)2984 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
2985 {
2986 	int ret = -EOPNOTSUPP;
2987 	struct smu_context *smu = handle;
2988 
2989 	if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
2990 		ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
2991 
2992 	return ret;
2993 }
2994 
smu_get_power_profile_mode(void * handle,char * buf)2995 static int smu_get_power_profile_mode(void *handle, char *buf)
2996 {
2997 	struct smu_context *smu = handle;
2998 
2999 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3000 	    !smu->ppt_funcs->get_power_profile_mode)
3001 		return -EOPNOTSUPP;
3002 	if (!buf)
3003 		return -EINVAL;
3004 
3005 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3006 }
3007 
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)3008 static int smu_set_power_profile_mode(void *handle,
3009 				      long *param,
3010 				      uint32_t param_size)
3011 {
3012 	struct smu_context *smu = handle;
3013 
3014 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3015 	    !smu->ppt_funcs->set_power_profile_mode)
3016 		return -EOPNOTSUPP;
3017 
3018 	return smu_bump_power_profile_mode(smu, param, param_size);
3019 }
3020 
smu_get_fan_control_mode(void * handle,u32 * fan_mode)3021 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3022 {
3023 	struct smu_context *smu = handle;
3024 
3025 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3026 		return -EOPNOTSUPP;
3027 
3028 	if (!smu->ppt_funcs->get_fan_control_mode)
3029 		return -EOPNOTSUPP;
3030 
3031 	if (!fan_mode)
3032 		return -EINVAL;
3033 
3034 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3035 
3036 	return 0;
3037 }
3038 
smu_set_fan_control_mode(void * handle,u32 value)3039 static int smu_set_fan_control_mode(void *handle, u32 value)
3040 {
3041 	struct smu_context *smu = handle;
3042 	int ret = 0;
3043 
3044 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3045 		return -EOPNOTSUPP;
3046 
3047 	if (!smu->ppt_funcs->set_fan_control_mode)
3048 		return -EOPNOTSUPP;
3049 
3050 	if (value == U32_MAX)
3051 		return -EINVAL;
3052 
3053 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3054 	if (ret)
3055 		goto out;
3056 
3057 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3058 		smu->user_dpm_profile.fan_mode = value;
3059 
3060 		/* reset user dpm fan speed */
3061 		if (value != AMD_FAN_CTRL_MANUAL) {
3062 			smu->user_dpm_profile.fan_speed_pwm = 0;
3063 			smu->user_dpm_profile.fan_speed_rpm = 0;
3064 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3065 		}
3066 	}
3067 
3068 out:
3069 	return ret;
3070 }
3071 
smu_get_fan_speed_pwm(void * handle,u32 * speed)3072 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3073 {
3074 	struct smu_context *smu = handle;
3075 	int ret = 0;
3076 
3077 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3078 		return -EOPNOTSUPP;
3079 
3080 	if (!smu->ppt_funcs->get_fan_speed_pwm)
3081 		return -EOPNOTSUPP;
3082 
3083 	if (!speed)
3084 		return -EINVAL;
3085 
3086 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3087 
3088 	return ret;
3089 }
3090 
smu_set_fan_speed_pwm(void * handle,u32 speed)3091 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3092 {
3093 	struct smu_context *smu = handle;
3094 	int ret = 0;
3095 
3096 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3097 		return -EOPNOTSUPP;
3098 
3099 	if (!smu->ppt_funcs->set_fan_speed_pwm)
3100 		return -EOPNOTSUPP;
3101 
3102 	if (speed == U32_MAX)
3103 		return -EINVAL;
3104 
3105 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3106 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3107 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3108 		smu->user_dpm_profile.fan_speed_pwm = speed;
3109 
3110 		/* Override custom RPM setting as they cannot co-exist */
3111 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3112 		smu->user_dpm_profile.fan_speed_rpm = 0;
3113 	}
3114 
3115 	return ret;
3116 }
3117 
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)3118 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3119 {
3120 	struct smu_context *smu = handle;
3121 	int ret = 0;
3122 
3123 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3124 		return -EOPNOTSUPP;
3125 
3126 	if (!smu->ppt_funcs->get_fan_speed_rpm)
3127 		return -EOPNOTSUPP;
3128 
3129 	if (!speed)
3130 		return -EINVAL;
3131 
3132 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3133 
3134 	return ret;
3135 }
3136 
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)3137 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3138 {
3139 	struct smu_context *smu = handle;
3140 
3141 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3142 		return -EOPNOTSUPP;
3143 
3144 	return smu_set_min_dcef_deep_sleep(smu, clk);
3145 }
3146 
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)3147 static int smu_get_clock_by_type_with_latency(void *handle,
3148 					      enum amd_pp_clock_type type,
3149 					      struct pp_clock_levels_with_latency *clocks)
3150 {
3151 	struct smu_context *smu = handle;
3152 	enum smu_clk_type clk_type;
3153 	int ret = 0;
3154 
3155 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3156 		return -EOPNOTSUPP;
3157 
3158 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3159 		switch (type) {
3160 		case amd_pp_sys_clock:
3161 			clk_type = SMU_GFXCLK;
3162 			break;
3163 		case amd_pp_mem_clock:
3164 			clk_type = SMU_MCLK;
3165 			break;
3166 		case amd_pp_dcef_clock:
3167 			clk_type = SMU_DCEFCLK;
3168 			break;
3169 		case amd_pp_disp_clock:
3170 			clk_type = SMU_DISPCLK;
3171 			break;
3172 		default:
3173 			dev_err(smu->adev->dev, "Invalid clock type!\n");
3174 			return -EINVAL;
3175 		}
3176 
3177 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3178 	}
3179 
3180 	return ret;
3181 }
3182 
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)3183 static int smu_display_clock_voltage_request(void *handle,
3184 					     struct pp_display_clock_request *clock_req)
3185 {
3186 	struct smu_context *smu = handle;
3187 	int ret = 0;
3188 
3189 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3190 		return -EOPNOTSUPP;
3191 
3192 	if (smu->ppt_funcs->display_clock_voltage_request)
3193 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3194 
3195 	return ret;
3196 }
3197 
3198 
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)3199 static int smu_display_disable_memory_clock_switch(void *handle,
3200 						   bool disable_memory_clock_switch)
3201 {
3202 	struct smu_context *smu = handle;
3203 	int ret = -EINVAL;
3204 
3205 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3206 		return -EOPNOTSUPP;
3207 
3208 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
3209 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3210 
3211 	return ret;
3212 }
3213 
smu_set_xgmi_pstate(void * handle,uint32_t pstate)3214 static int smu_set_xgmi_pstate(void *handle,
3215 			       uint32_t pstate)
3216 {
3217 	struct smu_context *smu = handle;
3218 	int ret = 0;
3219 
3220 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3221 		return -EOPNOTSUPP;
3222 
3223 	if (smu->ppt_funcs->set_xgmi_pstate)
3224 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3225 
3226 	if (ret)
3227 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3228 
3229 	return ret;
3230 }
3231 
smu_get_baco_capability(void * handle)3232 static int smu_get_baco_capability(void *handle)
3233 {
3234 	struct smu_context *smu = handle;
3235 
3236 	if (!smu->pm_enabled)
3237 		return false;
3238 
3239 	if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3240 		return false;
3241 
3242 	return smu->ppt_funcs->get_bamaco_support(smu);
3243 }
3244 
smu_baco_set_state(void * handle,int state)3245 static int smu_baco_set_state(void *handle, int state)
3246 {
3247 	struct smu_context *smu = handle;
3248 	int ret = 0;
3249 
3250 	if (!smu->pm_enabled)
3251 		return -EOPNOTSUPP;
3252 
3253 	if (state == 0) {
3254 		if (smu->ppt_funcs->baco_exit)
3255 			ret = smu->ppt_funcs->baco_exit(smu);
3256 	} else if (state == 1) {
3257 		if (smu->ppt_funcs->baco_enter)
3258 			ret = smu->ppt_funcs->baco_enter(smu);
3259 	} else {
3260 		return -EINVAL;
3261 	}
3262 
3263 	if (ret)
3264 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3265 				(state)?"enter":"exit");
3266 
3267 	return ret;
3268 }
3269 
smu_mode1_reset_is_support(struct smu_context * smu)3270 bool smu_mode1_reset_is_support(struct smu_context *smu)
3271 {
3272 	bool ret = false;
3273 
3274 	if (!smu->pm_enabled)
3275 		return false;
3276 
3277 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3278 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3279 
3280 	return ret;
3281 }
3282 
smu_mode2_reset_is_support(struct smu_context * smu)3283 bool smu_mode2_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->mode2_reset_is_support)
3291 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
3292 
3293 	return ret;
3294 }
3295 
smu_mode1_reset(struct smu_context * smu)3296 int smu_mode1_reset(struct smu_context *smu)
3297 {
3298 	int ret = 0;
3299 
3300 	if (!smu->pm_enabled)
3301 		return -EOPNOTSUPP;
3302 
3303 	if (smu->ppt_funcs->mode1_reset)
3304 		ret = smu->ppt_funcs->mode1_reset(smu);
3305 
3306 	return ret;
3307 }
3308 
smu_mode2_reset(void * handle)3309 static int smu_mode2_reset(void *handle)
3310 {
3311 	struct smu_context *smu = handle;
3312 	int ret = 0;
3313 
3314 	if (!smu->pm_enabled)
3315 		return -EOPNOTSUPP;
3316 
3317 	if (smu->ppt_funcs->mode2_reset)
3318 		ret = smu->ppt_funcs->mode2_reset(smu);
3319 
3320 	if (ret)
3321 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3322 
3323 	return ret;
3324 }
3325 
smu_enable_gfx_features(void * handle)3326 static int smu_enable_gfx_features(void *handle)
3327 {
3328 	struct smu_context *smu = handle;
3329 	int ret = 0;
3330 
3331 	if (!smu->pm_enabled)
3332 		return -EOPNOTSUPP;
3333 
3334 	if (smu->ppt_funcs->enable_gfx_features)
3335 		ret = smu->ppt_funcs->enable_gfx_features(smu);
3336 
3337 	if (ret)
3338 		dev_err(smu->adev->dev, "enable gfx features failed!\n");
3339 
3340 	return ret;
3341 }
3342 
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)3343 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3344 						struct pp_smu_nv_clock_table *max_clocks)
3345 {
3346 	struct smu_context *smu = handle;
3347 	int ret = 0;
3348 
3349 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3350 		return -EOPNOTSUPP;
3351 
3352 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3353 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3354 
3355 	return ret;
3356 }
3357 
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)3358 static int smu_get_uclk_dpm_states(void *handle,
3359 				   unsigned int *clock_values_in_khz,
3360 				   unsigned int *num_states)
3361 {
3362 	struct smu_context *smu = handle;
3363 	int ret = 0;
3364 
3365 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3366 		return -EOPNOTSUPP;
3367 
3368 	if (smu->ppt_funcs->get_uclk_dpm_states)
3369 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3370 
3371 	return ret;
3372 }
3373 
smu_get_current_power_state(void * handle)3374 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3375 {
3376 	struct smu_context *smu = handle;
3377 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3378 
3379 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3380 		return -EOPNOTSUPP;
3381 
3382 	if (smu->ppt_funcs->get_current_power_state)
3383 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
3384 
3385 	return pm_state;
3386 }
3387 
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3388 static int smu_get_dpm_clock_table(void *handle,
3389 				   struct dpm_clocks *clock_table)
3390 {
3391 	struct smu_context *smu = handle;
3392 	int ret = 0;
3393 
3394 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3395 		return -EOPNOTSUPP;
3396 
3397 	if (smu->ppt_funcs->get_dpm_clock_table)
3398 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3399 
3400 	return ret;
3401 }
3402 
smu_sys_get_gpu_metrics(void * handle,void ** table)3403 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3404 {
3405 	struct smu_context *smu = handle;
3406 
3407 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3408 		return -EOPNOTSUPP;
3409 
3410 	if (!smu->ppt_funcs->get_gpu_metrics)
3411 		return -EOPNOTSUPP;
3412 
3413 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
3414 }
3415 
smu_sys_get_pm_metrics(void * handle,void * pm_metrics,size_t size)3416 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3417 				      size_t size)
3418 {
3419 	struct smu_context *smu = handle;
3420 
3421 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3422 		return -EOPNOTSUPP;
3423 
3424 	if (!smu->ppt_funcs->get_pm_metrics)
3425 		return -EOPNOTSUPP;
3426 
3427 	return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3428 }
3429 
smu_enable_mgpu_fan_boost(void * handle)3430 static int smu_enable_mgpu_fan_boost(void *handle)
3431 {
3432 	struct smu_context *smu = handle;
3433 	int ret = 0;
3434 
3435 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3436 		return -EOPNOTSUPP;
3437 
3438 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
3439 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3440 
3441 	return ret;
3442 }
3443 
smu_gfx_state_change_set(void * handle,uint32_t state)3444 static int smu_gfx_state_change_set(void *handle,
3445 				    uint32_t state)
3446 {
3447 	struct smu_context *smu = handle;
3448 	int ret = 0;
3449 
3450 	if (smu->ppt_funcs->gfx_state_change_set)
3451 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3452 
3453 	return ret;
3454 }
3455 
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3456 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3457 {
3458 	int ret = 0;
3459 
3460 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3461 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3462 
3463 	return ret;
3464 }
3465 
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3466 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3467 {
3468 	int ret = -EOPNOTSUPP;
3469 
3470 	if (smu->ppt_funcs &&
3471 		smu->ppt_funcs->get_ecc_info)
3472 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3473 
3474 	return ret;
3475 
3476 }
3477 
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3478 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3479 {
3480 	struct smu_context *smu = handle;
3481 	struct smu_table_context *smu_table = &smu->smu_table;
3482 	struct smu_table *memory_pool = &smu_table->memory_pool;
3483 
3484 	if (!addr || !size)
3485 		return -EINVAL;
3486 
3487 	*addr = NULL;
3488 	*size = 0;
3489 	if (memory_pool->bo) {
3490 		*addr = memory_pool->cpu_addr;
3491 		*size = memory_pool->size;
3492 	}
3493 
3494 	return 0;
3495 }
3496 
smu_set_xgmi_plpd_mode(struct smu_context * smu,enum pp_xgmi_plpd_mode mode)3497 int smu_set_xgmi_plpd_mode(struct smu_context *smu,
3498 			   enum pp_xgmi_plpd_mode mode)
3499 {
3500 	int ret = -EOPNOTSUPP;
3501 
3502 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3503 		return ret;
3504 
3505 	/* PLPD policy is not supported if it's NONE */
3506 	if (smu->plpd_mode == XGMI_PLPD_NONE)
3507 		return ret;
3508 
3509 	if (smu->plpd_mode == mode)
3510 		return 0;
3511 
3512 	if (smu->ppt_funcs && smu->ppt_funcs->select_xgmi_plpd_policy)
3513 		ret = smu->ppt_funcs->select_xgmi_plpd_policy(smu, mode);
3514 
3515 	if (!ret)
3516 		smu->plpd_mode = mode;
3517 
3518 	return ret;
3519 }
3520 
3521 static const struct amd_pm_funcs swsmu_pm_funcs = {
3522 	/* export for sysfs */
3523 	.set_fan_control_mode    = smu_set_fan_control_mode,
3524 	.get_fan_control_mode    = smu_get_fan_control_mode,
3525 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3526 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3527 	.force_clock_level       = smu_force_ppclk_levels,
3528 	.print_clock_levels      = smu_print_ppclk_levels,
3529 	.emit_clock_levels       = smu_emit_ppclk_levels,
3530 	.force_performance_level = smu_force_performance_level,
3531 	.read_sensor             = smu_read_sensor,
3532 	.get_apu_thermal_limit       = smu_get_apu_thermal_limit,
3533 	.set_apu_thermal_limit       = smu_set_apu_thermal_limit,
3534 	.get_performance_level   = smu_get_performance_level,
3535 	.get_current_power_state = smu_get_current_power_state,
3536 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3537 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3538 	.get_pp_num_states       = smu_get_power_num_states,
3539 	.get_pp_table            = smu_sys_get_pp_table,
3540 	.set_pp_table            = smu_sys_set_pp_table,
3541 	.switch_power_profile    = smu_switch_power_profile,
3542 	/* export to amdgpu */
3543 	.dispatch_tasks          = smu_handle_dpm_task,
3544 	.load_firmware           = smu_load_microcode,
3545 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3546 	.set_power_limit         = smu_set_power_limit,
3547 	.get_power_limit         = smu_get_power_limit,
3548 	.get_power_profile_mode  = smu_get_power_profile_mode,
3549 	.set_power_profile_mode  = smu_set_power_profile_mode,
3550 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3551 	.set_mp1_state           = smu_set_mp1_state,
3552 	.gfx_state_change_set    = smu_gfx_state_change_set,
3553 	/* export to DC */
3554 	.get_sclk                         = smu_get_sclk,
3555 	.get_mclk                         = smu_get_mclk,
3556 	.display_configuration_change     = smu_display_configuration_change,
3557 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3558 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3559 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3560 	.set_active_display_count         = smu_set_display_count,
3561 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3562 	.get_asic_baco_capability         = smu_get_baco_capability,
3563 	.set_asic_baco_state              = smu_baco_set_state,
3564 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3565 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3566 	.asic_reset_mode_2                = smu_mode2_reset,
3567 	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
3568 	.set_df_cstate                    = smu_set_df_cstate,
3569 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3570 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3571 	.get_pm_metrics                   = smu_sys_get_pm_metrics,
3572 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3573 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3574 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3575 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3576 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3577 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3578 };
3579 
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3580 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3581 		       uint64_t event_arg)
3582 {
3583 	int ret = -EINVAL;
3584 
3585 	if (smu->ppt_funcs->wait_for_event)
3586 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3587 
3588 	return ret;
3589 }
3590 
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3591 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3592 {
3593 
3594 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3595 		return -EOPNOTSUPP;
3596 
3597 	/* Confirm the buffer allocated is of correct size */
3598 	if (size != smu->stb_context.stb_buf_size)
3599 		return -EINVAL;
3600 
3601 	/*
3602 	 * No need to lock smu mutex as we access STB directly through MMIO
3603 	 * and not going through SMU messaging route (for now at least).
3604 	 * For registers access rely on implementation internal locking.
3605 	 */
3606 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3607 }
3608 
3609 #if defined(CONFIG_DEBUG_FS)
3610 
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3611 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3612 {
3613 	struct amdgpu_device *adev = filp->f_inode->i_private;
3614 	struct smu_context *smu = adev->powerplay.pp_handle;
3615 	unsigned char *buf;
3616 	int r;
3617 
3618 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3619 	if (!buf)
3620 		return -ENOMEM;
3621 
3622 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3623 	if (r)
3624 		goto out;
3625 
3626 	filp->private_data = buf;
3627 
3628 	return 0;
3629 
3630 out:
3631 	kvfree(buf);
3632 	return r;
3633 }
3634 
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3635 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3636 				loff_t *pos)
3637 {
3638 	struct amdgpu_device *adev = filp->f_inode->i_private;
3639 	struct smu_context *smu = adev->powerplay.pp_handle;
3640 
3641 
3642 	if (!filp->private_data)
3643 		return -EINVAL;
3644 
3645 	return simple_read_from_buffer(buf,
3646 				       size,
3647 				       pos, filp->private_data,
3648 				       smu->stb_context.stb_buf_size);
3649 }
3650 
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3651 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3652 {
3653 	kvfree(filp->private_data);
3654 	filp->private_data = NULL;
3655 
3656 	return 0;
3657 }
3658 
3659 /*
3660  * We have to define not only read method but also
3661  * open and release because .read takes up to PAGE_SIZE
3662  * data each time so and so is invoked multiple times.
3663  *  We allocate the STB buffer in .open and release it
3664  *  in .release
3665  */
3666 static const struct file_operations smu_stb_debugfs_fops = {
3667 	.owner = THIS_MODULE,
3668 	.open = smu_stb_debugfs_open,
3669 	.read = smu_stb_debugfs_read,
3670 	.release = smu_stb_debugfs_release,
3671 	.llseek = default_llseek,
3672 };
3673 
3674 #endif
3675 
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3676 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3677 {
3678 #if defined(CONFIG_DEBUG_FS)
3679 
3680 	struct smu_context *smu = adev->powerplay.pp_handle;
3681 
3682 	if (!smu || (!smu->stb_context.stb_buf_size))
3683 		return;
3684 
3685 	debugfs_create_file_size("amdgpu_smu_stb_dump",
3686 			    S_IRUSR,
3687 			    adev_to_drm(adev)->primary->debugfs_root,
3688 			    adev,
3689 			    &smu_stb_debugfs_fops,
3690 			    smu->stb_context.stb_buf_size);
3691 #endif
3692 }
3693 
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3694 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3695 {
3696 	int ret = 0;
3697 
3698 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3699 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3700 
3701 	return ret;
3702 }
3703 
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3704 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3705 {
3706 	int ret = 0;
3707 
3708 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3709 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3710 
3711 	return ret;
3712 }
3713 
smu_send_rma_reason(struct smu_context * smu)3714 int smu_send_rma_reason(struct smu_context *smu)
3715 {
3716 	int ret = 0;
3717 
3718 	if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
3719 		ret = smu->ppt_funcs->send_rma_reason(smu);
3720 
3721 	return ret;
3722 }
3723