xref: /openbmc/linux/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c (revision fd5e9fccbd504c5179ab57ff695c610bca8809d6)
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 "amd_pcie.h"
48 
49 /*
50  * DO NOT use these for err/warn/info/debug messages.
51  * Use dev_err, dev_warn, dev_info and dev_dbg instead.
52  * They are more MGPU friendly.
53  */
54 #undef pr_err
55 #undef pr_warn
56 #undef pr_info
57 #undef pr_debug
58 
59 static const struct amd_pm_funcs swsmu_pm_funcs;
60 static int smu_force_smuclk_levels(struct smu_context *smu,
61 				   enum smu_clk_type clk_type,
62 				   uint32_t mask);
63 static int smu_handle_task(struct smu_context *smu,
64 			   enum amd_dpm_forced_level level,
65 			   enum amd_pp_task task_id);
66 static int smu_reset(struct smu_context *smu);
67 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
68 static int smu_set_fan_control_mode(void *handle, u32 value);
69 static int smu_set_power_limit(void *handle, uint32_t limit);
70 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
71 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
72 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
73 
smu_sys_get_pp_feature_mask(void * handle,char * buf)74 static int smu_sys_get_pp_feature_mask(void *handle,
75 				       char *buf)
76 {
77 	struct smu_context *smu = handle;
78 
79 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
80 		return -EOPNOTSUPP;
81 
82 	return smu_get_pp_feature_mask(smu, buf);
83 }
84 
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)85 static int smu_sys_set_pp_feature_mask(void *handle,
86 				       uint64_t new_mask)
87 {
88 	struct smu_context *smu = handle;
89 
90 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
91 		return -EOPNOTSUPP;
92 
93 	return smu_set_pp_feature_mask(smu, new_mask);
94 }
95 
smu_set_residency_gfxoff(struct smu_context * smu,bool value)96 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
97 {
98 	if (!smu->ppt_funcs->set_gfx_off_residency)
99 		return -EINVAL;
100 
101 	return smu_set_gfx_off_residency(smu, value);
102 }
103 
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)104 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
105 {
106 	if (!smu->ppt_funcs->get_gfx_off_residency)
107 		return -EINVAL;
108 
109 	return smu_get_gfx_off_residency(smu, value);
110 }
111 
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)112 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
113 {
114 	if (!smu->ppt_funcs->get_gfx_off_entrycount)
115 		return -EINVAL;
116 
117 	return smu_get_gfx_off_entrycount(smu, value);
118 }
119 
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)120 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
121 {
122 	if (!smu->ppt_funcs->get_gfx_off_status)
123 		return -EINVAL;
124 
125 	*value = smu_get_gfx_off_status(smu);
126 
127 	return 0;
128 }
129 
smu_set_soft_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t min,uint32_t max)130 int smu_set_soft_freq_range(struct smu_context *smu,
131 			    enum smu_clk_type clk_type,
132 			    uint32_t min,
133 			    uint32_t max)
134 {
135 	int ret = 0;
136 
137 	if (smu->ppt_funcs->set_soft_freq_limited_range)
138 		ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
139 								  clk_type,
140 								  min,
141 								  max);
142 
143 	return ret;
144 }
145 
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)146 int smu_get_dpm_freq_range(struct smu_context *smu,
147 			   enum smu_clk_type clk_type,
148 			   uint32_t *min,
149 			   uint32_t *max)
150 {
151 	int ret = -ENOTSUPP;
152 
153 	if (!min && !max)
154 		return -EINVAL;
155 
156 	if (smu->ppt_funcs->get_dpm_ultimate_freq)
157 		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
158 							    clk_type,
159 							    min,
160 							    max);
161 
162 	return ret;
163 }
164 
smu_set_gfx_power_up_by_imu(struct smu_context * smu)165 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
166 {
167 	int ret = 0;
168 	struct amdgpu_device *adev = smu->adev;
169 
170 	if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
171 		ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
172 		if (ret)
173 			dev_err(adev->dev, "Failed to enable gfx imu!\n");
174 	}
175 	return ret;
176 }
177 
smu_get_mclk(void * handle,bool low)178 static u32 smu_get_mclk(void *handle, bool low)
179 {
180 	struct smu_context *smu = handle;
181 	uint32_t clk_freq;
182 	int ret = 0;
183 
184 	ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
185 				     low ? &clk_freq : NULL,
186 				     !low ? &clk_freq : NULL);
187 	if (ret)
188 		return 0;
189 	return clk_freq * 100;
190 }
191 
smu_get_sclk(void * handle,bool low)192 static u32 smu_get_sclk(void *handle, bool low)
193 {
194 	struct smu_context *smu = handle;
195 	uint32_t clk_freq;
196 	int ret = 0;
197 
198 	ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
199 				     low ? &clk_freq : NULL,
200 				     !low ? &clk_freq : NULL);
201 	if (ret)
202 		return 0;
203 	return clk_freq * 100;
204 }
205 
smu_set_gfx_imu_enable(struct smu_context * smu)206 static int smu_set_gfx_imu_enable(struct smu_context *smu)
207 {
208 	struct amdgpu_device *adev = smu->adev;
209 
210 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
211 		return 0;
212 
213 	if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
214 		return 0;
215 
216 	return smu_set_gfx_power_up_by_imu(smu);
217 }
218 
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable)219 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
220 				  bool enable)
221 {
222 	struct smu_power_context *smu_power = &smu->smu_power;
223 	struct smu_power_gate *power_gate = &smu_power->power_gate;
224 	int ret = 0;
225 
226 	if (!smu->ppt_funcs->dpm_set_vcn_enable)
227 		return 0;
228 
229 	if (atomic_read(&power_gate->vcn_gated) ^ enable)
230 		return 0;
231 
232 	ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
233 	if (!ret)
234 		atomic_set(&power_gate->vcn_gated, !enable);
235 
236 	return ret;
237 }
238 
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)239 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
240 				   bool enable)
241 {
242 	struct smu_power_context *smu_power = &smu->smu_power;
243 	struct smu_power_gate *power_gate = &smu_power->power_gate;
244 	int ret = 0;
245 
246 	if (!smu->ppt_funcs->dpm_set_jpeg_enable)
247 		return 0;
248 
249 	if (atomic_read(&power_gate->jpeg_gated) ^ enable)
250 		return 0;
251 
252 	ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
253 	if (!ret)
254 		atomic_set(&power_gate->jpeg_gated, !enable);
255 
256 	return ret;
257 }
258 
259 /**
260  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
261  *
262  * @handle:        smu_context pointer
263  * @block_type: the IP block to power gate/ungate
264  * @gate:       to power gate if true, ungate otherwise
265  *
266  * This API uses no smu->mutex lock protection due to:
267  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
268  *    This is guarded to be race condition free by the caller.
269  * 2. Or get called on user setting request of power_dpm_force_performance_level.
270  *    Under this case, the smu->mutex lock protection is already enforced on
271  *    the parent API smu_force_performance_level of the call path.
272  */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate)273 static int smu_dpm_set_power_gate(void *handle,
274 				  uint32_t block_type,
275 				  bool gate)
276 {
277 	struct smu_context *smu = handle;
278 	int ret = 0;
279 
280 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
281 		dev_WARN(smu->adev->dev,
282 			 "SMU uninitialized but power %s requested for %u!\n",
283 			 gate ? "gate" : "ungate", block_type);
284 		return -EOPNOTSUPP;
285 	}
286 
287 	switch (block_type) {
288 	/*
289 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
290 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
291 	 */
292 	case AMD_IP_BLOCK_TYPE_UVD:
293 	case AMD_IP_BLOCK_TYPE_VCN:
294 		ret = smu_dpm_set_vcn_enable(smu, !gate);
295 		if (ret)
296 			dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
297 				gate ? "gate" : "ungate");
298 		break;
299 	case AMD_IP_BLOCK_TYPE_GFX:
300 		ret = smu_gfx_off_control(smu, gate);
301 		if (ret)
302 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
303 				gate ? "enable" : "disable");
304 		break;
305 	case AMD_IP_BLOCK_TYPE_SDMA:
306 		ret = smu_powergate_sdma(smu, gate);
307 		if (ret)
308 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
309 				gate ? "gate" : "ungate");
310 		break;
311 	case AMD_IP_BLOCK_TYPE_JPEG:
312 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
313 		if (ret)
314 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
315 				gate ? "gate" : "ungate");
316 		break;
317 	default:
318 		dev_err(smu->adev->dev, "Unsupported block type!\n");
319 		return -EINVAL;
320 	}
321 
322 	return ret;
323 }
324 
325 /**
326  * smu_set_user_clk_dependencies - set user profile clock dependencies
327  *
328  * @smu:	smu_context pointer
329  * @clk:	enum smu_clk_type type
330  *
331  * Enable/Disable the clock dependency for the @clk type.
332  */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)333 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
334 {
335 	if (smu->adev->in_suspend)
336 		return;
337 
338 	if (clk == SMU_MCLK) {
339 		smu->user_dpm_profile.clk_dependency = 0;
340 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
341 	} else if (clk == SMU_FCLK) {
342 		/* MCLK takes precedence over FCLK */
343 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
344 			return;
345 
346 		smu->user_dpm_profile.clk_dependency = 0;
347 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
348 	} else if (clk == SMU_SOCCLK) {
349 		/* MCLK takes precedence over SOCCLK */
350 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
351 			return;
352 
353 		smu->user_dpm_profile.clk_dependency = 0;
354 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
355 	} else
356 		/* Add clk dependencies here, if any */
357 		return;
358 }
359 
360 /**
361  * smu_restore_dpm_user_profile - reinstate user dpm profile
362  *
363  * @smu:	smu_context pointer
364  *
365  * Restore the saved user power configurations include power limit,
366  * clock frequencies, fan control mode and fan speed.
367  */
smu_restore_dpm_user_profile(struct smu_context * smu)368 static void smu_restore_dpm_user_profile(struct smu_context *smu)
369 {
370 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
371 	int ret = 0;
372 
373 	if (!smu->adev->in_suspend)
374 		return;
375 
376 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
377 		return;
378 
379 	/* Enable restore flag */
380 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
381 
382 	/* set the user dpm power limit */
383 	if (smu->user_dpm_profile.power_limit) {
384 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
385 		if (ret)
386 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
387 	}
388 
389 	/* set the user dpm clock configurations */
390 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
391 		enum smu_clk_type clk_type;
392 
393 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
394 			/*
395 			 * Iterate over smu clk type and force the saved user clk
396 			 * configs, skip if clock dependency is enabled
397 			 */
398 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
399 					smu->user_dpm_profile.clk_mask[clk_type]) {
400 				ret = smu_force_smuclk_levels(smu, clk_type,
401 						smu->user_dpm_profile.clk_mask[clk_type]);
402 				if (ret)
403 					dev_err(smu->adev->dev,
404 						"Failed to set clock type = %d\n", clk_type);
405 			}
406 		}
407 	}
408 
409 	/* set the user dpm fan configurations */
410 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
411 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
412 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
413 		if (ret != -EOPNOTSUPP) {
414 			smu->user_dpm_profile.fan_speed_pwm = 0;
415 			smu->user_dpm_profile.fan_speed_rpm = 0;
416 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
417 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
418 		}
419 
420 		if (smu->user_dpm_profile.fan_speed_pwm) {
421 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
422 			if (ret != -EOPNOTSUPP)
423 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
424 		}
425 
426 		if (smu->user_dpm_profile.fan_speed_rpm) {
427 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
428 			if (ret != -EOPNOTSUPP)
429 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
430 		}
431 	}
432 
433 	/* Restore user customized OD settings */
434 	if (smu->user_dpm_profile.user_od) {
435 		if (smu->ppt_funcs->restore_user_od_settings) {
436 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
437 			if (ret)
438 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
439 		}
440 	}
441 
442 	/* Disable restore flag */
443 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
444 }
445 
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)446 static int smu_get_power_num_states(void *handle,
447 				    struct pp_states_info *state_info)
448 {
449 	if (!state_info)
450 		return -EINVAL;
451 
452 	/* not support power state */
453 	memset(state_info, 0, sizeof(struct pp_states_info));
454 	state_info->nums = 1;
455 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
456 
457 	return 0;
458 }
459 
is_support_sw_smu(struct amdgpu_device * adev)460 bool is_support_sw_smu(struct amdgpu_device *adev)
461 {
462 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
463 	if (adev->asic_type == CHIP_VEGA20)
464 		return false;
465 
466 	if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0))
467 		return true;
468 
469 	return false;
470 }
471 
is_support_cclk_dpm(struct amdgpu_device * adev)472 bool is_support_cclk_dpm(struct amdgpu_device *adev)
473 {
474 	struct smu_context *smu = adev->powerplay.pp_handle;
475 
476 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
477 		return false;
478 
479 	return true;
480 }
481 
482 
smu_sys_get_pp_table(void * handle,char ** table)483 static int smu_sys_get_pp_table(void *handle,
484 				char **table)
485 {
486 	struct smu_context *smu = handle;
487 	struct smu_table_context *smu_table = &smu->smu_table;
488 
489 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
490 		return -EOPNOTSUPP;
491 
492 	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
493 		return -EINVAL;
494 
495 	if (smu_table->hardcode_pptable)
496 		*table = smu_table->hardcode_pptable;
497 	else
498 		*table = smu_table->power_play_table;
499 
500 	return smu_table->power_play_table_size;
501 }
502 
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)503 static int smu_sys_set_pp_table(void *handle,
504 				const char *buf,
505 				size_t size)
506 {
507 	struct smu_context *smu = handle;
508 	struct smu_table_context *smu_table = &smu->smu_table;
509 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
510 	int ret = 0;
511 
512 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
513 		return -EOPNOTSUPP;
514 
515 	if (header->usStructureSize != size) {
516 		dev_err(smu->adev->dev, "pp table size not matched !\n");
517 		return -EIO;
518 	}
519 
520 	if (!smu_table->hardcode_pptable || smu_table->power_play_table_size < size) {
521 		kfree(smu_table->hardcode_pptable);
522 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
523 		if (!smu_table->hardcode_pptable)
524 			return -ENOMEM;
525 	}
526 
527 	memcpy(smu_table->hardcode_pptable, buf, size);
528 	smu_table->power_play_table = smu_table->hardcode_pptable;
529 	smu_table->power_play_table_size = size;
530 
531 	/*
532 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
533 	 * skipped) may be needed for custom pptable uploading.
534 	 */
535 	smu->uploading_custom_pp_table = true;
536 
537 	ret = smu_reset(smu);
538 	if (ret)
539 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
540 
541 	smu->uploading_custom_pp_table = false;
542 
543 	return ret;
544 }
545 
smu_get_driver_allowed_feature_mask(struct smu_context * smu)546 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
547 {
548 	struct smu_feature *feature = &smu->smu_feature;
549 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
550 	int ret = 0;
551 
552 	/*
553 	 * With SCPM enabled, the allowed featuremasks setting(via
554 	 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
555 	 * That means there is no way to let PMFW knows the settings below.
556 	 * Thus, we just assume all the features are allowed under
557 	 * such scenario.
558 	 */
559 	if (smu->adev->scpm_enabled) {
560 		bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
561 		return 0;
562 	}
563 
564 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
565 
566 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
567 					     SMU_FEATURE_MAX/32);
568 	if (ret)
569 		return ret;
570 
571 	bitmap_or(feature->allowed, feature->allowed,
572 		      (unsigned long *)allowed_feature_mask,
573 		      feature->feature_num);
574 
575 	return ret;
576 }
577 
smu_set_funcs(struct amdgpu_device * adev)578 static int smu_set_funcs(struct amdgpu_device *adev)
579 {
580 	struct smu_context *smu = adev->powerplay.pp_handle;
581 
582 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
583 		smu->od_enabled = true;
584 
585 	switch (adev->ip_versions[MP1_HWIP][0]) {
586 	case IP_VERSION(11, 0, 0):
587 	case IP_VERSION(11, 0, 5):
588 	case IP_VERSION(11, 0, 9):
589 		navi10_set_ppt_funcs(smu);
590 		break;
591 	case IP_VERSION(11, 0, 7):
592 	case IP_VERSION(11, 0, 11):
593 	case IP_VERSION(11, 0, 12):
594 	case IP_VERSION(11, 0, 13):
595 		sienna_cichlid_set_ppt_funcs(smu);
596 		break;
597 	case IP_VERSION(12, 0, 0):
598 	case IP_VERSION(12, 0, 1):
599 		renoir_set_ppt_funcs(smu);
600 		break;
601 	case IP_VERSION(11, 5, 0):
602 		vangogh_set_ppt_funcs(smu);
603 		break;
604 	case IP_VERSION(13, 0, 1):
605 	case IP_VERSION(13, 0, 3):
606 	case IP_VERSION(13, 0, 8):
607 		yellow_carp_set_ppt_funcs(smu);
608 		break;
609 	case IP_VERSION(13, 0, 4):
610 	case IP_VERSION(13, 0, 11):
611 		smu_v13_0_4_set_ppt_funcs(smu);
612 		break;
613 	case IP_VERSION(13, 0, 5):
614 		smu_v13_0_5_set_ppt_funcs(smu);
615 		break;
616 	case IP_VERSION(11, 0, 8):
617 		cyan_skillfish_set_ppt_funcs(smu);
618 		break;
619 	case IP_VERSION(11, 0, 2):
620 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
621 		arcturus_set_ppt_funcs(smu);
622 		/* OD is not supported on Arcturus */
623 		smu->od_enabled = false;
624 		break;
625 	case IP_VERSION(13, 0, 2):
626 		aldebaran_set_ppt_funcs(smu);
627 		/* Enable pp_od_clk_voltage node */
628 		smu->od_enabled = true;
629 		break;
630 	case IP_VERSION(13, 0, 0):
631 	case IP_VERSION(13, 0, 10):
632 		smu_v13_0_0_set_ppt_funcs(smu);
633 		break;
634 	case IP_VERSION(13, 0, 6):
635 		smu_v13_0_6_set_ppt_funcs(smu);
636 		/* Enable pp_od_clk_voltage node */
637 		smu->od_enabled = true;
638 		break;
639 	case IP_VERSION(13, 0, 7):
640 		smu_v13_0_7_set_ppt_funcs(smu);
641 		break;
642 	default:
643 		return -EINVAL;
644 	}
645 
646 	return 0;
647 }
648 
smu_early_init(void * handle)649 static int smu_early_init(void *handle)
650 {
651 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
652 	struct smu_context *smu;
653 	int r;
654 
655 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
656 	if (!smu)
657 		return -ENOMEM;
658 
659 	smu->adev = adev;
660 	smu->pm_enabled = !!amdgpu_dpm;
661 	smu->is_apu = false;
662 	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
663 	smu->smu_baco.platform_support = false;
664 	smu->user_dpm_profile.fan_mode = -1;
665 
666 	mutex_init(&smu->message_lock);
667 
668 	adev->powerplay.pp_handle = smu;
669 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
670 
671 	r = smu_set_funcs(adev);
672 	if (r)
673 		return r;
674 	return smu_init_microcode(smu);
675 }
676 
smu_set_default_dpm_table(struct smu_context * smu)677 static int smu_set_default_dpm_table(struct smu_context *smu)
678 {
679 	struct smu_power_context *smu_power = &smu->smu_power;
680 	struct smu_power_gate *power_gate = &smu_power->power_gate;
681 	int vcn_gate, jpeg_gate;
682 	int ret = 0;
683 
684 	if (!smu->ppt_funcs->set_default_dpm_table)
685 		return 0;
686 
687 	vcn_gate = atomic_read(&power_gate->vcn_gated);
688 	jpeg_gate = atomic_read(&power_gate->jpeg_gated);
689 
690 	ret = smu_dpm_set_vcn_enable(smu, true);
691 	if (ret)
692 		return ret;
693 
694 	ret = smu_dpm_set_jpeg_enable(smu, true);
695 	if (ret)
696 		goto err_out;
697 
698 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
699 	if (ret)
700 		dev_err(smu->adev->dev,
701 			"Failed to setup default dpm clock tables!\n");
702 
703 	smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
704 err_out:
705 	smu_dpm_set_vcn_enable(smu, !vcn_gate);
706 	return ret;
707 }
708 
smu_apply_default_config_table_settings(struct smu_context * smu)709 static int smu_apply_default_config_table_settings(struct smu_context *smu)
710 {
711 	struct amdgpu_device *adev = smu->adev;
712 	int ret = 0;
713 
714 	ret = smu_get_default_config_table_settings(smu,
715 						    &adev->pm.config_table);
716 	if (ret)
717 		return ret;
718 
719 	return smu_set_config_table(smu, &adev->pm.config_table);
720 }
721 
smu_late_init(void * handle)722 static int smu_late_init(void *handle)
723 {
724 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
725 	struct smu_context *smu = adev->powerplay.pp_handle;
726 	int ret = 0;
727 
728 	smu_set_fine_grain_gfx_freq_parameters(smu);
729 
730 	if (!smu->pm_enabled)
731 		return 0;
732 
733 	ret = smu_post_init(smu);
734 	if (ret) {
735 		dev_err(adev->dev, "Failed to post smu init!\n");
736 		return ret;
737 	}
738 
739 	/*
740 	 * Explicitly notify PMFW the power mode the system in. Since
741 	 * the PMFW may boot the ASIC with a different mode.
742 	 * For those supporting ACDC switch via gpio, PMFW will
743 	 * handle the switch automatically. Driver involvement
744 	 * is unnecessary.
745 	 */
746 	adev->pm.ac_power = power_supply_is_system_supplied() > 0;
747 	smu_set_ac_dc(smu);
748 
749 	if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
750 	    (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))
751 		return 0;
752 
753 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
754 		ret = smu_set_default_od_settings(smu);
755 		if (ret) {
756 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
757 			return ret;
758 		}
759 	}
760 
761 	ret = smu_populate_umd_state_clk(smu);
762 	if (ret) {
763 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
764 		return ret;
765 	}
766 
767 	ret = smu_get_asic_power_limits(smu,
768 					&smu->current_power_limit,
769 					&smu->default_power_limit,
770 					&smu->max_power_limit);
771 	if (ret) {
772 		dev_err(adev->dev, "Failed to get asic power limits!\n");
773 		return ret;
774 	}
775 
776 	if (!amdgpu_sriov_vf(adev))
777 		smu_get_unique_id(smu);
778 
779 	smu_get_fan_parameters(smu);
780 
781 	smu_handle_task(smu,
782 			smu->smu_dpm.dpm_level,
783 			AMD_PP_TASK_COMPLETE_INIT);
784 
785 	ret = smu_apply_default_config_table_settings(smu);
786 	if (ret && (ret != -EOPNOTSUPP)) {
787 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
788 		return ret;
789 	}
790 
791 	smu_restore_dpm_user_profile(smu);
792 
793 	return 0;
794 }
795 
smu_init_fb_allocations(struct smu_context * smu)796 static int smu_init_fb_allocations(struct smu_context *smu)
797 {
798 	struct amdgpu_device *adev = smu->adev;
799 	struct smu_table_context *smu_table = &smu->smu_table;
800 	struct smu_table *tables = smu_table->tables;
801 	struct smu_table *driver_table = &(smu_table->driver_table);
802 	uint32_t max_table_size = 0;
803 	int ret, i;
804 
805 	/* VRAM allocation for tool table */
806 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
807 		ret = amdgpu_bo_create_kernel(adev,
808 					      tables[SMU_TABLE_PMSTATUSLOG].size,
809 					      tables[SMU_TABLE_PMSTATUSLOG].align,
810 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
811 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
812 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
813 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
814 		if (ret) {
815 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
816 			return ret;
817 		}
818 	}
819 
820 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
821 	/* VRAM allocation for driver table */
822 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
823 		if (tables[i].size == 0)
824 			continue;
825 
826 		/* If one of the tables has VRAM domain restriction, keep it in
827 		 * VRAM
828 		 */
829 		if ((tables[i].domain &
830 		    (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
831 			    AMDGPU_GEM_DOMAIN_VRAM)
832 			driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
833 
834 		if (i == SMU_TABLE_PMSTATUSLOG)
835 			continue;
836 
837 		if (max_table_size < tables[i].size)
838 			max_table_size = tables[i].size;
839 	}
840 
841 	driver_table->size = max_table_size;
842 	driver_table->align = PAGE_SIZE;
843 
844 	ret = amdgpu_bo_create_kernel(adev,
845 				      driver_table->size,
846 				      driver_table->align,
847 				      driver_table->domain,
848 				      &driver_table->bo,
849 				      &driver_table->mc_address,
850 				      &driver_table->cpu_addr);
851 	if (ret) {
852 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
853 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
854 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
855 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
856 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
857 	}
858 
859 	return ret;
860 }
861 
smu_fini_fb_allocations(struct smu_context * smu)862 static int smu_fini_fb_allocations(struct smu_context *smu)
863 {
864 	struct smu_table_context *smu_table = &smu->smu_table;
865 	struct smu_table *tables = smu_table->tables;
866 	struct smu_table *driver_table = &(smu_table->driver_table);
867 
868 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
869 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
870 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
871 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
872 
873 	amdgpu_bo_free_kernel(&driver_table->bo,
874 			      &driver_table->mc_address,
875 			      &driver_table->cpu_addr);
876 
877 	return 0;
878 }
879 
880 /**
881  * smu_alloc_memory_pool - allocate memory pool in the system memory
882  *
883  * @smu: amdgpu_device pointer
884  *
885  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
886  * and DramLogSetDramAddr can notify it changed.
887  *
888  * Returns 0 on success, error on failure.
889  */
smu_alloc_memory_pool(struct smu_context * smu)890 static int smu_alloc_memory_pool(struct smu_context *smu)
891 {
892 	struct amdgpu_device *adev = smu->adev;
893 	struct smu_table_context *smu_table = &smu->smu_table;
894 	struct smu_table *memory_pool = &smu_table->memory_pool;
895 	uint64_t pool_size = smu->pool_size;
896 	int ret = 0;
897 
898 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
899 		return ret;
900 
901 	memory_pool->size = pool_size;
902 	memory_pool->align = PAGE_SIZE;
903 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
904 
905 	switch (pool_size) {
906 	case SMU_MEMORY_POOL_SIZE_256_MB:
907 	case SMU_MEMORY_POOL_SIZE_512_MB:
908 	case SMU_MEMORY_POOL_SIZE_1_GB:
909 	case SMU_MEMORY_POOL_SIZE_2_GB:
910 		ret = amdgpu_bo_create_kernel(adev,
911 					      memory_pool->size,
912 					      memory_pool->align,
913 					      memory_pool->domain,
914 					      &memory_pool->bo,
915 					      &memory_pool->mc_address,
916 					      &memory_pool->cpu_addr);
917 		if (ret)
918 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
919 		break;
920 	default:
921 		break;
922 	}
923 
924 	return ret;
925 }
926 
smu_free_memory_pool(struct smu_context * smu)927 static int smu_free_memory_pool(struct smu_context *smu)
928 {
929 	struct smu_table_context *smu_table = &smu->smu_table;
930 	struct smu_table *memory_pool = &smu_table->memory_pool;
931 
932 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
933 		return 0;
934 
935 	amdgpu_bo_free_kernel(&memory_pool->bo,
936 			      &memory_pool->mc_address,
937 			      &memory_pool->cpu_addr);
938 
939 	memset(memory_pool, 0, sizeof(struct smu_table));
940 
941 	return 0;
942 }
943 
smu_alloc_dummy_read_table(struct smu_context * smu)944 static int smu_alloc_dummy_read_table(struct smu_context *smu)
945 {
946 	struct smu_table_context *smu_table = &smu->smu_table;
947 	struct smu_table *dummy_read_1_table =
948 			&smu_table->dummy_read_1_table;
949 	struct amdgpu_device *adev = smu->adev;
950 	int ret = 0;
951 
952 	if (!dummy_read_1_table->size)
953 		return 0;
954 
955 	ret = amdgpu_bo_create_kernel(adev,
956 				      dummy_read_1_table->size,
957 				      dummy_read_1_table->align,
958 				      dummy_read_1_table->domain,
959 				      &dummy_read_1_table->bo,
960 				      &dummy_read_1_table->mc_address,
961 				      &dummy_read_1_table->cpu_addr);
962 	if (ret)
963 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
964 
965 	return ret;
966 }
967 
smu_free_dummy_read_table(struct smu_context * smu)968 static void smu_free_dummy_read_table(struct smu_context *smu)
969 {
970 	struct smu_table_context *smu_table = &smu->smu_table;
971 	struct smu_table *dummy_read_1_table =
972 			&smu_table->dummy_read_1_table;
973 
974 
975 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
976 			      &dummy_read_1_table->mc_address,
977 			      &dummy_read_1_table->cpu_addr);
978 
979 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
980 }
981 
smu_smc_table_sw_init(struct smu_context * smu)982 static int smu_smc_table_sw_init(struct smu_context *smu)
983 {
984 	int ret;
985 
986 	/**
987 	 * Create smu_table structure, and init smc tables such as
988 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
989 	 */
990 	ret = smu_init_smc_tables(smu);
991 	if (ret) {
992 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
993 		return ret;
994 	}
995 
996 	/**
997 	 * Create smu_power_context structure, and allocate smu_dpm_context and
998 	 * context size to fill the smu_power_context data.
999 	 */
1000 	ret = smu_init_power(smu);
1001 	if (ret) {
1002 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1003 		return ret;
1004 	}
1005 
1006 	/*
1007 	 * allocate vram bos to store smc table contents.
1008 	 */
1009 	ret = smu_init_fb_allocations(smu);
1010 	if (ret)
1011 		return ret;
1012 
1013 	ret = smu_alloc_memory_pool(smu);
1014 	if (ret)
1015 		return ret;
1016 
1017 	ret = smu_alloc_dummy_read_table(smu);
1018 	if (ret)
1019 		return ret;
1020 
1021 	ret = smu_i2c_init(smu);
1022 	if (ret)
1023 		return ret;
1024 
1025 	return 0;
1026 }
1027 
smu_smc_table_sw_fini(struct smu_context * smu)1028 static int smu_smc_table_sw_fini(struct smu_context *smu)
1029 {
1030 	int ret;
1031 
1032 	smu_i2c_fini(smu);
1033 
1034 	smu_free_dummy_read_table(smu);
1035 
1036 	ret = smu_free_memory_pool(smu);
1037 	if (ret)
1038 		return ret;
1039 
1040 	ret = smu_fini_fb_allocations(smu);
1041 	if (ret)
1042 		return ret;
1043 
1044 	ret = smu_fini_power(smu);
1045 	if (ret) {
1046 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1047 		return ret;
1048 	}
1049 
1050 	ret = smu_fini_smc_tables(smu);
1051 	if (ret) {
1052 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1053 		return ret;
1054 	}
1055 
1056 	return 0;
1057 }
1058 
smu_throttling_logging_work_fn(struct work_struct * work)1059 static void smu_throttling_logging_work_fn(struct work_struct *work)
1060 {
1061 	struct smu_context *smu = container_of(work, struct smu_context,
1062 					       throttling_logging_work);
1063 
1064 	smu_log_thermal_throttling(smu);
1065 }
1066 
smu_interrupt_work_fn(struct work_struct * work)1067 static void smu_interrupt_work_fn(struct work_struct *work)
1068 {
1069 	struct smu_context *smu = container_of(work, struct smu_context,
1070 					       interrupt_work);
1071 
1072 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1073 		smu->ppt_funcs->interrupt_work(smu);
1074 }
1075 
smu_swctf_delayed_work_handler(struct work_struct * work)1076 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1077 {
1078 	struct smu_context *smu =
1079 		container_of(work, struct smu_context, swctf_delayed_work.work);
1080 	struct smu_temperature_range *range =
1081 				&smu->thermal_range;
1082 	struct amdgpu_device *adev = smu->adev;
1083 	uint32_t hotspot_tmp, size;
1084 
1085 	/*
1086 	 * If the hotspot temperature is confirmed as below SW CTF setting point
1087 	 * after the delay enforced, nothing will be done.
1088 	 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1089 	 */
1090 	if (range->software_shutdown_temp &&
1091 	    smu->ppt_funcs->read_sensor &&
1092 	    !smu->ppt_funcs->read_sensor(smu,
1093 					 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1094 					 &hotspot_tmp,
1095 					 &size) &&
1096 	    hotspot_tmp / 1000 < range->software_shutdown_temp)
1097 		return;
1098 
1099 	dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1100 	dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1101 	orderly_poweroff(true);
1102 }
1103 
smu_sw_init(void * handle)1104 static int smu_sw_init(void *handle)
1105 {
1106 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1107 	struct smu_context *smu = adev->powerplay.pp_handle;
1108 	int ret;
1109 
1110 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1111 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1112 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1113 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1114 
1115 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1116 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1117 	atomic64_set(&smu->throttle_int_counter, 0);
1118 	smu->watermarks_bitmap = 0;
1119 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1120 	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1121 
1122 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1123 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1124 
1125 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1126 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1127 	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1128 	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1129 	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1130 	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1131 	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1132 	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1133 
1134 	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1135 	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1136 	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1137 	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1138 	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1139 	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1140 	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1141 	smu->display_config = &adev->pm.pm_display_cfg;
1142 
1143 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1144 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1145 
1146 	INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1147 			  smu_swctf_delayed_work_handler);
1148 
1149 	ret = smu_smc_table_sw_init(smu);
1150 	if (ret) {
1151 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1152 		return ret;
1153 	}
1154 
1155 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1156 	ret = smu_get_vbios_bootup_values(smu);
1157 	if (ret) {
1158 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1159 		return ret;
1160 	}
1161 
1162 	ret = smu_init_pptable_microcode(smu);
1163 	if (ret) {
1164 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1165 		return ret;
1166 	}
1167 
1168 	ret = smu_register_irq_handler(smu);
1169 	if (ret) {
1170 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1171 		return ret;
1172 	}
1173 
1174 	/* If there is no way to query fan control mode, fan control is not supported */
1175 	if (!smu->ppt_funcs->get_fan_control_mode)
1176 		smu->adev->pm.no_fan = true;
1177 
1178 	return 0;
1179 }
1180 
smu_sw_fini(void * handle)1181 static int smu_sw_fini(void *handle)
1182 {
1183 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1184 	struct smu_context *smu = adev->powerplay.pp_handle;
1185 	int ret;
1186 
1187 	ret = smu_smc_table_sw_fini(smu);
1188 	if (ret) {
1189 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1190 		return ret;
1191 	}
1192 
1193 	smu_fini_microcode(smu);
1194 
1195 	return 0;
1196 }
1197 
smu_get_thermal_temperature_range(struct smu_context * smu)1198 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1199 {
1200 	struct amdgpu_device *adev = smu->adev;
1201 	struct smu_temperature_range *range =
1202 				&smu->thermal_range;
1203 	int ret = 0;
1204 
1205 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1206 		return 0;
1207 
1208 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1209 	if (ret)
1210 		return ret;
1211 
1212 	adev->pm.dpm.thermal.min_temp = range->min;
1213 	adev->pm.dpm.thermal.max_temp = range->max;
1214 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1215 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1216 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1217 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1218 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1219 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1220 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1221 
1222 	return ret;
1223 }
1224 
smu_smc_hw_setup(struct smu_context * smu)1225 static int smu_smc_hw_setup(struct smu_context *smu)
1226 {
1227 	struct smu_feature *feature = &smu->smu_feature;
1228 	struct amdgpu_device *adev = smu->adev;
1229 	uint8_t pcie_gen = 0, pcie_width = 0;
1230 	uint64_t features_supported;
1231 	int ret = 0;
1232 
1233 	switch (adev->ip_versions[MP1_HWIP][0]) {
1234 	case IP_VERSION(11, 0, 7):
1235 	case IP_VERSION(11, 0, 11):
1236 	case IP_VERSION(11, 5, 0):
1237 	case IP_VERSION(11, 0, 12):
1238 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1239 			dev_info(adev->dev, "dpm has been enabled\n");
1240 			ret = smu_system_features_control(smu, true);
1241 			if (ret)
1242 				dev_err(adev->dev, "Failed system features control!\n");
1243 			return ret;
1244 		}
1245 		break;
1246 	default:
1247 		break;
1248 	}
1249 
1250 	ret = smu_init_display_count(smu, 0);
1251 	if (ret) {
1252 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1253 		return ret;
1254 	}
1255 
1256 	ret = smu_set_driver_table_location(smu);
1257 	if (ret) {
1258 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1259 		return ret;
1260 	}
1261 
1262 	/*
1263 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1264 	 */
1265 	ret = smu_set_tool_table_location(smu);
1266 	if (ret) {
1267 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1268 		return ret;
1269 	}
1270 
1271 	/*
1272 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1273 	 * pool location.
1274 	 */
1275 	ret = smu_notify_memory_pool_location(smu);
1276 	if (ret) {
1277 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1278 		return ret;
1279 	}
1280 
1281 	/*
1282 	 * It is assumed the pptable used before runpm is same as
1283 	 * the one used afterwards. Thus, we can reuse the stored
1284 	 * copy and do not need to resetup the pptable again.
1285 	 */
1286 	if (!adev->in_runpm) {
1287 		ret = smu_setup_pptable(smu);
1288 		if (ret) {
1289 			dev_err(adev->dev, "Failed to setup pptable!\n");
1290 			return ret;
1291 		}
1292 	}
1293 
1294 	/* smu_dump_pptable(smu); */
1295 
1296 	/*
1297 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1298 	 * (to SMU). Driver involvement is not needed and permitted.
1299 	 */
1300 	if (!adev->scpm_enabled) {
1301 		/*
1302 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1303 		 * SetDriverDramAddr and TransferTableDram2Smu.
1304 		 */
1305 		ret = smu_write_pptable(smu);
1306 		if (ret) {
1307 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1308 			return ret;
1309 		}
1310 	}
1311 
1312 	/* issue Run*Btc msg */
1313 	ret = smu_run_btc(smu);
1314 	if (ret)
1315 		return ret;
1316 
1317 	/*
1318 	 * With SCPM enabled, these actions(and relevant messages) are
1319 	 * not needed and permitted.
1320 	 */
1321 	if (!adev->scpm_enabled) {
1322 		ret = smu_feature_set_allowed_mask(smu);
1323 		if (ret) {
1324 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1325 			return ret;
1326 		}
1327 	}
1328 
1329 	ret = smu_system_features_control(smu, true);
1330 	if (ret) {
1331 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1332 		return ret;
1333 	}
1334 
1335 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1336 	if (ret) {
1337 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1338 		return ret;
1339 	}
1340 	bitmap_copy(feature->supported,
1341 		    (unsigned long *)&features_supported,
1342 		    feature->feature_num);
1343 
1344 	if (!smu_is_dpm_running(smu))
1345 		dev_info(adev->dev, "dpm has been disabled\n");
1346 
1347 	/*
1348 	 * Set initialized values (get from vbios) to dpm tables context such as
1349 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1350 	 * type of clks.
1351 	 */
1352 	ret = smu_set_default_dpm_table(smu);
1353 	if (ret) {
1354 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1355 		return ret;
1356 	}
1357 
1358 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1359 		pcie_gen = 3;
1360 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1361 		pcie_gen = 2;
1362 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1363 		pcie_gen = 1;
1364 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1365 		pcie_gen = 0;
1366 
1367 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1368 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1369 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1370 	 */
1371 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1372 		pcie_width = 6;
1373 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1374 		pcie_width = 5;
1375 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1376 		pcie_width = 4;
1377 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1378 		pcie_width = 3;
1379 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1380 		pcie_width = 2;
1381 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1382 		pcie_width = 1;
1383 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1384 	if (ret) {
1385 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1386 		return ret;
1387 	}
1388 
1389 	ret = smu_get_thermal_temperature_range(smu);
1390 	if (ret) {
1391 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1392 		return ret;
1393 	}
1394 
1395 	ret = smu_enable_thermal_alert(smu);
1396 	if (ret) {
1397 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1398 	  return ret;
1399 	}
1400 
1401 	ret = smu_notify_display_change(smu);
1402 	if (ret) {
1403 		dev_err(adev->dev, "Failed to notify display change!\n");
1404 		return ret;
1405 	}
1406 
1407 	/*
1408 	 * Set min deep sleep dce fclk with bootup value from vbios via
1409 	 * SetMinDeepSleepDcefclk MSG.
1410 	 */
1411 	ret = smu_set_min_dcef_deep_sleep(smu,
1412 					  smu->smu_table.boot_values.dcefclk / 100);
1413 
1414 	return ret;
1415 }
1416 
smu_start_smc_engine(struct smu_context * smu)1417 static int smu_start_smc_engine(struct smu_context *smu)
1418 {
1419 	struct amdgpu_device *adev = smu->adev;
1420 	int ret = 0;
1421 
1422 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1423 		if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) {
1424 			if (smu->ppt_funcs->load_microcode) {
1425 				ret = smu->ppt_funcs->load_microcode(smu);
1426 				if (ret)
1427 					return ret;
1428 			}
1429 		}
1430 	}
1431 
1432 	if (smu->ppt_funcs->check_fw_status) {
1433 		ret = smu->ppt_funcs->check_fw_status(smu);
1434 		if (ret) {
1435 			dev_err(adev->dev, "SMC is not ready\n");
1436 			return ret;
1437 		}
1438 	}
1439 
1440 	/*
1441 	 * Send msg GetDriverIfVersion to check if the return value is equal
1442 	 * with DRIVER_IF_VERSION of smc header.
1443 	 */
1444 	ret = smu_check_fw_version(smu);
1445 	if (ret)
1446 		return ret;
1447 
1448 	return ret;
1449 }
1450 
smu_hw_init(void * handle)1451 static int smu_hw_init(void *handle)
1452 {
1453 	int ret;
1454 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1455 	struct smu_context *smu = adev->powerplay.pp_handle;
1456 
1457 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1458 		smu->pm_enabled = false;
1459 		return 0;
1460 	}
1461 
1462 	ret = smu_start_smc_engine(smu);
1463 	if (ret) {
1464 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1465 		return ret;
1466 	}
1467 
1468 	if (smu->is_apu) {
1469 		ret = smu_set_gfx_imu_enable(smu);
1470 		if (ret)
1471 			return ret;
1472 		smu_dpm_set_vcn_enable(smu, true);
1473 		smu_dpm_set_jpeg_enable(smu, true);
1474 		smu_set_gfx_cgpg(smu, true);
1475 	}
1476 
1477 	if (!smu->pm_enabled)
1478 		return 0;
1479 
1480 	ret = smu_get_driver_allowed_feature_mask(smu);
1481 	if (ret)
1482 		return ret;
1483 
1484 	ret = smu_smc_hw_setup(smu);
1485 	if (ret) {
1486 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1487 		return ret;
1488 	}
1489 
1490 	/*
1491 	 * Move maximum sustainable clock retrieving here considering
1492 	 * 1. It is not needed on resume(from S3).
1493 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1494 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1495 	 *    it cannot be put in .late_init().
1496 	 */
1497 	ret = smu_init_max_sustainable_clocks(smu);
1498 	if (ret) {
1499 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1500 		return ret;
1501 	}
1502 
1503 	adev->pm.dpm_enabled = true;
1504 
1505 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1506 
1507 	return 0;
1508 }
1509 
smu_disable_dpms(struct smu_context * smu)1510 static int smu_disable_dpms(struct smu_context *smu)
1511 {
1512 	struct amdgpu_device *adev = smu->adev;
1513 	int ret = 0;
1514 	bool use_baco = !smu->is_apu &&
1515 		((amdgpu_in_reset(adev) &&
1516 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1517 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1518 
1519 	/*
1520 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1521 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1522 	 */
1523 	switch (adev->ip_versions[MP1_HWIP][0]) {
1524 	case IP_VERSION(13, 0, 0):
1525 	case IP_VERSION(13, 0, 7):
1526 	case IP_VERSION(13, 0, 10):
1527 		return 0;
1528 	default:
1529 		break;
1530 	}
1531 
1532 	/*
1533 	 * For custom pptable uploading, skip the DPM features
1534 	 * disable process on Navi1x ASICs.
1535 	 *   - As the gfx related features are under control of
1536 	 *     RLC on those ASICs. RLC reinitialization will be
1537 	 *     needed to reenable them. That will cost much more
1538 	 *     efforts.
1539 	 *
1540 	 *   - SMU firmware can handle the DPM reenablement
1541 	 *     properly.
1542 	 */
1543 	if (smu->uploading_custom_pp_table) {
1544 		switch (adev->ip_versions[MP1_HWIP][0]) {
1545 		case IP_VERSION(11, 0, 0):
1546 		case IP_VERSION(11, 0, 5):
1547 		case IP_VERSION(11, 0, 9):
1548 		case IP_VERSION(11, 0, 7):
1549 		case IP_VERSION(11, 0, 11):
1550 		case IP_VERSION(11, 5, 0):
1551 		case IP_VERSION(11, 0, 12):
1552 		case IP_VERSION(11, 0, 13):
1553 			return 0;
1554 		default:
1555 			break;
1556 		}
1557 	}
1558 
1559 	/*
1560 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1561 	 * on BACO in. Driver involvement is unnecessary.
1562 	 */
1563 	if (use_baco) {
1564 		switch (adev->ip_versions[MP1_HWIP][0]) {
1565 		case IP_VERSION(11, 0, 7):
1566 		case IP_VERSION(11, 0, 0):
1567 		case IP_VERSION(11, 0, 5):
1568 		case IP_VERSION(11, 0, 9):
1569 		case IP_VERSION(13, 0, 7):
1570 			return 0;
1571 		default:
1572 			break;
1573 		}
1574 	}
1575 
1576 	/*
1577 	 * For SMU 13.0.4/11, PMFW will handle the features disablement properly
1578 	 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1579 	 */
1580 	if (amdgpu_in_reset(adev) || adev->in_s0ix) {
1581 		switch (adev->ip_versions[MP1_HWIP][0]) {
1582 		case IP_VERSION(13, 0, 4):
1583 		case IP_VERSION(13, 0, 11):
1584 			return 0;
1585 		default:
1586 			break;
1587 		}
1588 	}
1589 
1590 	/*
1591 	 * For gpu reset, runpm and hibernation through BACO,
1592 	 * BACO feature has to be kept enabled.
1593 	 */
1594 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1595 		ret = smu_disable_all_features_with_exception(smu,
1596 							      SMU_FEATURE_BACO_BIT);
1597 		if (ret)
1598 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1599 	} else {
1600 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1601 		if (!adev->scpm_enabled) {
1602 			ret = smu_system_features_control(smu, false);
1603 			if (ret)
1604 				dev_err(adev->dev, "Failed to disable smu features.\n");
1605 		}
1606 	}
1607 
1608 	if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
1609 	    !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1610 		adev->gfx.rlc.funcs->stop(adev);
1611 
1612 	return ret;
1613 }
1614 
smu_smc_hw_cleanup(struct smu_context * smu)1615 static int smu_smc_hw_cleanup(struct smu_context *smu)
1616 {
1617 	struct amdgpu_device *adev = smu->adev;
1618 	int ret = 0;
1619 
1620 	cancel_work_sync(&smu->throttling_logging_work);
1621 	cancel_work_sync(&smu->interrupt_work);
1622 
1623 	ret = smu_disable_thermal_alert(smu);
1624 	if (ret) {
1625 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
1626 		return ret;
1627 	}
1628 
1629 	cancel_delayed_work_sync(&smu->swctf_delayed_work);
1630 
1631 	ret = smu_disable_dpms(smu);
1632 	if (ret) {
1633 		dev_err(adev->dev, "Fail to disable dpm features!\n");
1634 		return ret;
1635 	}
1636 
1637 	return 0;
1638 }
1639 
smu_hw_fini(void * handle)1640 static int smu_hw_fini(void *handle)
1641 {
1642 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1643 	struct smu_context *smu = adev->powerplay.pp_handle;
1644 
1645 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1646 		return 0;
1647 
1648 	smu_dpm_set_vcn_enable(smu, false);
1649 	smu_dpm_set_jpeg_enable(smu, false);
1650 
1651 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
1652 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
1653 
1654 	if (!smu->pm_enabled)
1655 		return 0;
1656 
1657 	adev->pm.dpm_enabled = false;
1658 
1659 	return smu_smc_hw_cleanup(smu);
1660 }
1661 
smu_late_fini(void * handle)1662 static void smu_late_fini(void *handle)
1663 {
1664 	struct amdgpu_device *adev = handle;
1665 	struct smu_context *smu = adev->powerplay.pp_handle;
1666 
1667 	kfree(smu);
1668 }
1669 
smu_reset(struct smu_context * smu)1670 static int smu_reset(struct smu_context *smu)
1671 {
1672 	struct amdgpu_device *adev = smu->adev;
1673 	int ret;
1674 
1675 	ret = smu_hw_fini(adev);
1676 	if (ret)
1677 		return ret;
1678 
1679 	ret = smu_hw_init(adev);
1680 	if (ret)
1681 		return ret;
1682 
1683 	ret = smu_late_init(adev);
1684 	if (ret)
1685 		return ret;
1686 
1687 	return 0;
1688 }
1689 
smu_suspend(void * handle)1690 static int smu_suspend(void *handle)
1691 {
1692 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1693 	struct smu_context *smu = adev->powerplay.pp_handle;
1694 	int ret;
1695 	uint64_t count;
1696 
1697 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
1698 		return 0;
1699 
1700 	if (!smu->pm_enabled)
1701 		return 0;
1702 
1703 	adev->pm.dpm_enabled = false;
1704 
1705 	ret = smu_smc_hw_cleanup(smu);
1706 	if (ret)
1707 		return ret;
1708 
1709 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
1710 
1711 	smu_set_gfx_cgpg(smu, false);
1712 
1713 	/*
1714 	 * pwfw resets entrycount when device is suspended, so we save the
1715 	 * last value to be used when we resume to keep it consistent
1716 	 */
1717 	ret = smu_get_entrycount_gfxoff(smu, &count);
1718 	if (!ret)
1719 		adev->gfx.gfx_off_entrycount = count;
1720 
1721 	return 0;
1722 }
1723 
smu_resume(void * handle)1724 static int smu_resume(void *handle)
1725 {
1726 	int ret;
1727 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1728 	struct smu_context *smu = adev->powerplay.pp_handle;
1729 
1730 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
1731 		return 0;
1732 
1733 	if (!smu->pm_enabled)
1734 		return 0;
1735 
1736 	dev_info(adev->dev, "SMU is resuming...\n");
1737 
1738 	ret = smu_start_smc_engine(smu);
1739 	if (ret) {
1740 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1741 		return ret;
1742 	}
1743 
1744 	ret = smu_smc_hw_setup(smu);
1745 	if (ret) {
1746 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1747 		return ret;
1748 	}
1749 
1750 	ret = smu_set_gfx_imu_enable(smu);
1751 	if (ret)
1752 		return ret;
1753 
1754 	smu_set_gfx_cgpg(smu, true);
1755 
1756 	smu->disable_uclk_switch = 0;
1757 
1758 	adev->pm.dpm_enabled = true;
1759 
1760 	dev_info(adev->dev, "SMU is resumed successfully!\n");
1761 
1762 	return 0;
1763 }
1764 
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)1765 static int smu_display_configuration_change(void *handle,
1766 					    const struct amd_pp_display_configuration *display_config)
1767 {
1768 	struct smu_context *smu = handle;
1769 
1770 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1771 		return -EOPNOTSUPP;
1772 
1773 	if (!display_config)
1774 		return -EINVAL;
1775 
1776 	smu_set_min_dcef_deep_sleep(smu,
1777 				    display_config->min_dcef_deep_sleep_set_clk / 100);
1778 
1779 	return 0;
1780 }
1781 
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)1782 static int smu_set_clockgating_state(void *handle,
1783 				     enum amd_clockgating_state state)
1784 {
1785 	return 0;
1786 }
1787 
smu_set_powergating_state(void * handle,enum amd_powergating_state state)1788 static int smu_set_powergating_state(void *handle,
1789 				     enum amd_powergating_state state)
1790 {
1791 	return 0;
1792 }
1793 
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)1794 static int smu_enable_umd_pstate(void *handle,
1795 		      enum amd_dpm_forced_level *level)
1796 {
1797 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
1798 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
1799 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
1800 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
1801 
1802 	struct smu_context *smu = (struct smu_context*)(handle);
1803 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1804 
1805 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1806 		return -EINVAL;
1807 
1808 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
1809 		/* enter umd pstate, save current level, disable gfx cg*/
1810 		if (*level & profile_mode_mask) {
1811 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
1812 			smu_gpo_control(smu, false);
1813 			smu_gfx_ulv_control(smu, false);
1814 			smu_deep_sleep_control(smu, false);
1815 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
1816 		}
1817 	} else {
1818 		/* exit umd pstate, restore level, enable gfx cg*/
1819 		if (!(*level & profile_mode_mask)) {
1820 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
1821 				*level = smu_dpm_ctx->saved_dpm_level;
1822 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
1823 			smu_deep_sleep_control(smu, true);
1824 			smu_gfx_ulv_control(smu, true);
1825 			smu_gpo_control(smu, true);
1826 		}
1827 	}
1828 
1829 	return 0;
1830 }
1831 
smu_bump_power_profile_mode(struct smu_context * smu,long * param,uint32_t param_size)1832 static int smu_bump_power_profile_mode(struct smu_context *smu,
1833 					   long *param,
1834 					   uint32_t param_size)
1835 {
1836 	int ret = 0;
1837 
1838 	if (smu->ppt_funcs->set_power_profile_mode)
1839 		ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
1840 
1841 	return ret;
1842 }
1843 
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings,bool init)1844 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
1845 					  enum amd_dpm_forced_level level,
1846 					  bool skip_display_settings,
1847 					  bool init)
1848 {
1849 	int ret = 0;
1850 	int index = 0;
1851 	long workload[1];
1852 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1853 
1854 	if (!skip_display_settings) {
1855 		ret = smu_display_config_changed(smu);
1856 		if (ret) {
1857 			dev_err(smu->adev->dev, "Failed to change display config!");
1858 			return ret;
1859 		}
1860 	}
1861 
1862 	ret = smu_apply_clocks_adjust_rules(smu);
1863 	if (ret) {
1864 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
1865 		return ret;
1866 	}
1867 
1868 	if (!skip_display_settings) {
1869 		ret = smu_notify_smc_display_config(smu);
1870 		if (ret) {
1871 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
1872 			return ret;
1873 		}
1874 	}
1875 
1876 	if (smu_dpm_ctx->dpm_level != level) {
1877 		ret = smu_asic_set_performance_level(smu, level);
1878 		if (ret) {
1879 			dev_err(smu->adev->dev, "Failed to set performance level!");
1880 			return ret;
1881 		}
1882 
1883 		/* update the saved copy */
1884 		smu_dpm_ctx->dpm_level = level;
1885 	}
1886 
1887 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1888 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
1889 		index = fls(smu->workload_mask);
1890 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1891 		workload[0] = smu->workload_setting[index];
1892 
1893 		if (init || smu->power_profile_mode != workload[0])
1894 			smu_bump_power_profile_mode(smu, workload, 0);
1895 	}
1896 
1897 	return ret;
1898 }
1899 
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)1900 static int smu_handle_task(struct smu_context *smu,
1901 			   enum amd_dpm_forced_level level,
1902 			   enum amd_pp_task task_id)
1903 {
1904 	int ret = 0;
1905 
1906 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1907 		return -EOPNOTSUPP;
1908 
1909 	switch (task_id) {
1910 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
1911 		ret = smu_pre_display_config_changed(smu);
1912 		if (ret)
1913 			return ret;
1914 		ret = smu_adjust_power_state_dynamic(smu, level, false, false);
1915 		break;
1916 	case AMD_PP_TASK_COMPLETE_INIT:
1917 		ret = smu_adjust_power_state_dynamic(smu, level, true, true);
1918 		break;
1919 	case AMD_PP_TASK_READJUST_POWER_STATE:
1920 		ret = smu_adjust_power_state_dynamic(smu, level, true, false);
1921 		break;
1922 	default:
1923 		break;
1924 	}
1925 
1926 	return ret;
1927 }
1928 
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)1929 static int smu_handle_dpm_task(void *handle,
1930 			       enum amd_pp_task task_id,
1931 			       enum amd_pm_state_type *user_state)
1932 {
1933 	struct smu_context *smu = handle;
1934 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
1935 
1936 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
1937 
1938 }
1939 
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool en)1940 static int smu_switch_power_profile(void *handle,
1941 				    enum PP_SMC_POWER_PROFILE type,
1942 				    bool en)
1943 {
1944 	struct smu_context *smu = handle;
1945 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1946 	long workload[1];
1947 	uint32_t index;
1948 
1949 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1950 		return -EOPNOTSUPP;
1951 
1952 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
1953 		return -EINVAL;
1954 
1955 	if (!en) {
1956 		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
1957 		index = fls(smu->workload_mask);
1958 		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1959 		workload[0] = smu->workload_setting[index];
1960 	} else {
1961 		smu->workload_mask |= (1 << smu->workload_prority[type]);
1962 		index = fls(smu->workload_mask);
1963 		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
1964 		workload[0] = smu->workload_setting[index];
1965 	}
1966 
1967 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
1968 		smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
1969 		smu_bump_power_profile_mode(smu, workload, 0);
1970 
1971 	return 0;
1972 }
1973 
smu_get_performance_level(void * handle)1974 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
1975 {
1976 	struct smu_context *smu = handle;
1977 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1978 
1979 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1980 		return -EOPNOTSUPP;
1981 
1982 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1983 		return -EINVAL;
1984 
1985 	return smu_dpm_ctx->dpm_level;
1986 }
1987 
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)1988 static int smu_force_performance_level(void *handle,
1989 				       enum amd_dpm_forced_level level)
1990 {
1991 	struct smu_context *smu = handle;
1992 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1993 	int ret = 0;
1994 
1995 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
1996 		return -EOPNOTSUPP;
1997 
1998 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
1999 		return -EINVAL;
2000 
2001 	ret = smu_enable_umd_pstate(smu, &level);
2002 	if (ret)
2003 		return ret;
2004 
2005 	ret = smu_handle_task(smu, level,
2006 			      AMD_PP_TASK_READJUST_POWER_STATE);
2007 
2008 	/* reset user dpm clock state */
2009 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2010 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2011 		smu->user_dpm_profile.clk_dependency = 0;
2012 	}
2013 
2014 	return ret;
2015 }
2016 
smu_set_display_count(void * handle,uint32_t count)2017 static int smu_set_display_count(void *handle, uint32_t count)
2018 {
2019 	struct smu_context *smu = handle;
2020 
2021 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2022 		return -EOPNOTSUPP;
2023 
2024 	return smu_init_display_count(smu, count);
2025 }
2026 
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2027 static int smu_force_smuclk_levels(struct smu_context *smu,
2028 			 enum smu_clk_type clk_type,
2029 			 uint32_t mask)
2030 {
2031 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2032 	int ret = 0;
2033 
2034 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2035 		return -EOPNOTSUPP;
2036 
2037 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2038 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2039 		return -EINVAL;
2040 	}
2041 
2042 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2043 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2044 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2045 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
2046 			smu_set_user_clk_dependencies(smu, clk_type);
2047 		}
2048 	}
2049 
2050 	return ret;
2051 }
2052 
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2053 static int smu_force_ppclk_levels(void *handle,
2054 				  enum pp_clock_type type,
2055 				  uint32_t mask)
2056 {
2057 	struct smu_context *smu = handle;
2058 	enum smu_clk_type clk_type;
2059 
2060 	switch (type) {
2061 	case PP_SCLK:
2062 		clk_type = SMU_SCLK; break;
2063 	case PP_MCLK:
2064 		clk_type = SMU_MCLK; break;
2065 	case PP_PCIE:
2066 		clk_type = SMU_PCIE; break;
2067 	case PP_SOCCLK:
2068 		clk_type = SMU_SOCCLK; break;
2069 	case PP_FCLK:
2070 		clk_type = SMU_FCLK; break;
2071 	case PP_DCEFCLK:
2072 		clk_type = SMU_DCEFCLK; break;
2073 	case PP_VCLK:
2074 		clk_type = SMU_VCLK; break;
2075 	case PP_VCLK1:
2076 		clk_type = SMU_VCLK1; break;
2077 	case PP_DCLK:
2078 		clk_type = SMU_DCLK; break;
2079 	case PP_DCLK1:
2080 		clk_type = SMU_DCLK1; break;
2081 	case OD_SCLK:
2082 		clk_type = SMU_OD_SCLK; break;
2083 	case OD_MCLK:
2084 		clk_type = SMU_OD_MCLK; break;
2085 	case OD_VDDC_CURVE:
2086 		clk_type = SMU_OD_VDDC_CURVE; break;
2087 	case OD_RANGE:
2088 		clk_type = SMU_OD_RANGE; break;
2089 	default:
2090 		return -EINVAL;
2091 	}
2092 
2093 	return smu_force_smuclk_levels(smu, clk_type, mask);
2094 }
2095 
2096 /*
2097  * On system suspending or resetting, the dpm_enabled
2098  * flag will be cleared. So that those SMU services which
2099  * are not supported will be gated.
2100  * However, the mp1 state setting should still be granted
2101  * even if the dpm_enabled cleared.
2102  */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2103 static int smu_set_mp1_state(void *handle,
2104 			     enum pp_mp1_state mp1_state)
2105 {
2106 	struct smu_context *smu = handle;
2107 	int ret = 0;
2108 
2109 	if (!smu->pm_enabled)
2110 		return -EOPNOTSUPP;
2111 
2112 	if (smu->ppt_funcs &&
2113 	    smu->ppt_funcs->set_mp1_state)
2114 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2115 
2116 	return ret;
2117 }
2118 
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2119 static int smu_set_df_cstate(void *handle,
2120 			     enum pp_df_cstate state)
2121 {
2122 	struct smu_context *smu = handle;
2123 	int ret = 0;
2124 
2125 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2126 		return -EOPNOTSUPP;
2127 
2128 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2129 		return 0;
2130 
2131 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2132 	if (ret)
2133 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2134 
2135 	return ret;
2136 }
2137 
smu_allow_xgmi_power_down(struct smu_context * smu,bool en)2138 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
2139 {
2140 	int ret = 0;
2141 
2142 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2143 		return -EOPNOTSUPP;
2144 
2145 	if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
2146 		return 0;
2147 
2148 	ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
2149 	if (ret)
2150 		dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n");
2151 
2152 	return ret;
2153 }
2154 
smu_write_watermarks_table(struct smu_context * smu)2155 int smu_write_watermarks_table(struct smu_context *smu)
2156 {
2157 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2158 		return -EOPNOTSUPP;
2159 
2160 	return smu_set_watermarks_table(smu, NULL);
2161 }
2162 
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2163 static int smu_set_watermarks_for_clock_ranges(void *handle,
2164 					       struct pp_smu_wm_range_sets *clock_ranges)
2165 {
2166 	struct smu_context *smu = handle;
2167 
2168 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2169 		return -EOPNOTSUPP;
2170 
2171 	if (smu->disable_watermark)
2172 		return 0;
2173 
2174 	return smu_set_watermarks_table(smu, clock_ranges);
2175 }
2176 
smu_set_ac_dc(struct smu_context * smu)2177 int smu_set_ac_dc(struct smu_context *smu)
2178 {
2179 	int ret = 0;
2180 
2181 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2182 		return -EOPNOTSUPP;
2183 
2184 	/* controlled by firmware */
2185 	if (smu->dc_controlled_by_gpio)
2186 		return 0;
2187 
2188 	ret = smu_set_power_source(smu,
2189 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2190 				   SMU_POWER_SOURCE_DC);
2191 	if (ret)
2192 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2193 		       smu->adev->pm.ac_power ? "AC" : "DC");
2194 
2195 	return ret;
2196 }
2197 
2198 const struct amd_ip_funcs smu_ip_funcs = {
2199 	.name = "smu",
2200 	.early_init = smu_early_init,
2201 	.late_init = smu_late_init,
2202 	.sw_init = smu_sw_init,
2203 	.sw_fini = smu_sw_fini,
2204 	.hw_init = smu_hw_init,
2205 	.hw_fini = smu_hw_fini,
2206 	.late_fini = smu_late_fini,
2207 	.suspend = smu_suspend,
2208 	.resume = smu_resume,
2209 	.is_idle = NULL,
2210 	.check_soft_reset = NULL,
2211 	.wait_for_idle = NULL,
2212 	.soft_reset = NULL,
2213 	.set_clockgating_state = smu_set_clockgating_state,
2214 	.set_powergating_state = smu_set_powergating_state,
2215 };
2216 
2217 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2218 	.type = AMD_IP_BLOCK_TYPE_SMC,
2219 	.major = 11,
2220 	.minor = 0,
2221 	.rev = 0,
2222 	.funcs = &smu_ip_funcs,
2223 };
2224 
2225 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2226 	.type = AMD_IP_BLOCK_TYPE_SMC,
2227 	.major = 12,
2228 	.minor = 0,
2229 	.rev = 0,
2230 	.funcs = &smu_ip_funcs,
2231 };
2232 
2233 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2234 	.type = AMD_IP_BLOCK_TYPE_SMC,
2235 	.major = 13,
2236 	.minor = 0,
2237 	.rev = 0,
2238 	.funcs = &smu_ip_funcs,
2239 };
2240 
smu_load_microcode(void * handle)2241 static int smu_load_microcode(void *handle)
2242 {
2243 	struct smu_context *smu = handle;
2244 	struct amdgpu_device *adev = smu->adev;
2245 	int ret = 0;
2246 
2247 	if (!smu->pm_enabled)
2248 		return -EOPNOTSUPP;
2249 
2250 	/* This should be used for non PSP loading */
2251 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2252 		return 0;
2253 
2254 	if (smu->ppt_funcs->load_microcode) {
2255 		ret = smu->ppt_funcs->load_microcode(smu);
2256 		if (ret) {
2257 			dev_err(adev->dev, "Load microcode failed\n");
2258 			return ret;
2259 		}
2260 	}
2261 
2262 	if (smu->ppt_funcs->check_fw_status) {
2263 		ret = smu->ppt_funcs->check_fw_status(smu);
2264 		if (ret) {
2265 			dev_err(adev->dev, "SMC is not ready\n");
2266 			return ret;
2267 		}
2268 	}
2269 
2270 	return ret;
2271 }
2272 
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2273 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2274 {
2275 	int ret = 0;
2276 
2277 	if (smu->ppt_funcs->set_gfx_cgpg)
2278 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2279 
2280 	return ret;
2281 }
2282 
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2283 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2284 {
2285 	struct smu_context *smu = handle;
2286 	int ret = 0;
2287 
2288 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2289 		return -EOPNOTSUPP;
2290 
2291 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2292 		return -EOPNOTSUPP;
2293 
2294 	if (speed == U32_MAX)
2295 		return -EINVAL;
2296 
2297 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2298 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2299 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2300 		smu->user_dpm_profile.fan_speed_rpm = speed;
2301 
2302 		/* Override custom PWM setting as they cannot co-exist */
2303 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2304 		smu->user_dpm_profile.fan_speed_pwm = 0;
2305 	}
2306 
2307 	return ret;
2308 }
2309 
2310 /**
2311  * smu_get_power_limit - Request one of the SMU Power Limits
2312  *
2313  * @handle: pointer to smu context
2314  * @limit: requested limit is written back to this variable
2315  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2316  * @pp_power_type: &pp_power_type type of power
2317  * Return:  0 on success, <0 on error
2318  *
2319  */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2320 int smu_get_power_limit(void *handle,
2321 			uint32_t *limit,
2322 			enum pp_power_limit_level pp_limit_level,
2323 			enum pp_power_type pp_power_type)
2324 {
2325 	struct smu_context *smu = handle;
2326 	struct amdgpu_device *adev = smu->adev;
2327 	enum smu_ppt_limit_level limit_level;
2328 	uint32_t limit_type;
2329 	int ret = 0;
2330 
2331 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2332 		return -EOPNOTSUPP;
2333 
2334 	switch (pp_power_type) {
2335 	case PP_PWR_TYPE_SUSTAINED:
2336 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2337 		break;
2338 	case PP_PWR_TYPE_FAST:
2339 		limit_type = SMU_FAST_PPT_LIMIT;
2340 		break;
2341 	default:
2342 		return -EOPNOTSUPP;
2343 		break;
2344 	}
2345 
2346 	switch (pp_limit_level) {
2347 	case PP_PWR_LIMIT_CURRENT:
2348 		limit_level = SMU_PPT_LIMIT_CURRENT;
2349 		break;
2350 	case PP_PWR_LIMIT_DEFAULT:
2351 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2352 		break;
2353 	case PP_PWR_LIMIT_MAX:
2354 		limit_level = SMU_PPT_LIMIT_MAX;
2355 		break;
2356 	case PP_PWR_LIMIT_MIN:
2357 	default:
2358 		return -EOPNOTSUPP;
2359 		break;
2360 	}
2361 
2362 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2363 		if (smu->ppt_funcs->get_ppt_limit)
2364 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2365 	} else {
2366 		switch (limit_level) {
2367 		case SMU_PPT_LIMIT_CURRENT:
2368 			switch (adev->ip_versions[MP1_HWIP][0]) {
2369 			case IP_VERSION(13, 0, 2):
2370 			case IP_VERSION(11, 0, 7):
2371 			case IP_VERSION(11, 0, 11):
2372 			case IP_VERSION(11, 0, 12):
2373 			case IP_VERSION(11, 0, 13):
2374 				ret = smu_get_asic_power_limits(smu,
2375 								&smu->current_power_limit,
2376 								NULL,
2377 								NULL);
2378 				break;
2379 			default:
2380 				break;
2381 			}
2382 			*limit = smu->current_power_limit;
2383 			break;
2384 		case SMU_PPT_LIMIT_DEFAULT:
2385 			*limit = smu->default_power_limit;
2386 			break;
2387 		case SMU_PPT_LIMIT_MAX:
2388 			*limit = smu->max_power_limit;
2389 			break;
2390 		default:
2391 			break;
2392 		}
2393 	}
2394 
2395 	return ret;
2396 }
2397 
smu_set_power_limit(void * handle,uint32_t limit)2398 static int smu_set_power_limit(void *handle, uint32_t limit)
2399 {
2400 	struct smu_context *smu = handle;
2401 	uint32_t limit_type = limit >> 24;
2402 	int ret = 0;
2403 
2404 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2405 		return -EOPNOTSUPP;
2406 
2407 	limit &= (1<<24)-1;
2408 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2409 		if (smu->ppt_funcs->set_power_limit)
2410 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2411 
2412 	if (limit > smu->max_power_limit) {
2413 		dev_err(smu->adev->dev,
2414 			"New power limit (%d) is over the max allowed %d\n",
2415 			limit, smu->max_power_limit);
2416 		return -EINVAL;
2417 	}
2418 
2419 	if (!limit)
2420 		limit = smu->current_power_limit;
2421 
2422 	if (smu->ppt_funcs->set_power_limit) {
2423 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2424 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2425 			smu->user_dpm_profile.power_limit = limit;
2426 	}
2427 
2428 	return ret;
2429 }
2430 
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2431 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2432 {
2433 	int ret = 0;
2434 
2435 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2436 		return -EOPNOTSUPP;
2437 
2438 	if (smu->ppt_funcs->print_clk_levels)
2439 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2440 
2441 	return ret;
2442 }
2443 
smu_convert_to_smuclk(enum pp_clock_type type)2444 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2445 {
2446 	enum smu_clk_type clk_type;
2447 
2448 	switch (type) {
2449 	case PP_SCLK:
2450 		clk_type = SMU_SCLK; break;
2451 	case PP_MCLK:
2452 		clk_type = SMU_MCLK; break;
2453 	case PP_PCIE:
2454 		clk_type = SMU_PCIE; break;
2455 	case PP_SOCCLK:
2456 		clk_type = SMU_SOCCLK; break;
2457 	case PP_FCLK:
2458 		clk_type = SMU_FCLK; break;
2459 	case PP_DCEFCLK:
2460 		clk_type = SMU_DCEFCLK; break;
2461 	case PP_VCLK:
2462 		clk_type = SMU_VCLK; break;
2463 	case PP_VCLK1:
2464 		clk_type = SMU_VCLK1; break;
2465 	case PP_DCLK:
2466 		clk_type = SMU_DCLK; break;
2467 	case PP_DCLK1:
2468 		clk_type = SMU_DCLK1; break;
2469 	case OD_SCLK:
2470 		clk_type = SMU_OD_SCLK; break;
2471 	case OD_MCLK:
2472 		clk_type = SMU_OD_MCLK; break;
2473 	case OD_VDDC_CURVE:
2474 		clk_type = SMU_OD_VDDC_CURVE; break;
2475 	case OD_RANGE:
2476 		clk_type = SMU_OD_RANGE; break;
2477 	case OD_VDDGFX_OFFSET:
2478 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2479 	case OD_CCLK:
2480 		clk_type = SMU_OD_CCLK; break;
2481 	default:
2482 		clk_type = SMU_CLK_COUNT; break;
2483 	}
2484 
2485 	return clk_type;
2486 }
2487 
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2488 static int smu_print_ppclk_levels(void *handle,
2489 				  enum pp_clock_type type,
2490 				  char *buf)
2491 {
2492 	struct smu_context *smu = handle;
2493 	enum smu_clk_type clk_type;
2494 
2495 	clk_type = smu_convert_to_smuclk(type);
2496 	if (clk_type == SMU_CLK_COUNT)
2497 		return -EINVAL;
2498 
2499 	return smu_print_smuclk_levels(smu, clk_type, buf);
2500 }
2501 
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2502 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2503 {
2504 	struct smu_context *smu = handle;
2505 	enum smu_clk_type clk_type;
2506 
2507 	clk_type = smu_convert_to_smuclk(type);
2508 	if (clk_type == SMU_CLK_COUNT)
2509 		return -EINVAL;
2510 
2511 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2512 		return -EOPNOTSUPP;
2513 
2514 	if (!smu->ppt_funcs->emit_clk_levels)
2515 		return -ENOENT;
2516 
2517 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2518 
2519 }
2520 
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2521 static int smu_od_edit_dpm_table(void *handle,
2522 				 enum PP_OD_DPM_TABLE_COMMAND type,
2523 				 long *input, uint32_t size)
2524 {
2525 	struct smu_context *smu = handle;
2526 	int ret = 0;
2527 
2528 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2529 		return -EOPNOTSUPP;
2530 
2531 	if (smu->ppt_funcs->od_edit_dpm_table) {
2532 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2533 	}
2534 
2535 	return ret;
2536 }
2537 
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2538 static int smu_read_sensor(void *handle,
2539 			   int sensor,
2540 			   void *data,
2541 			   int *size_arg)
2542 {
2543 	struct smu_context *smu = handle;
2544 	struct smu_umd_pstate_table *pstate_table =
2545 				&smu->pstate_table;
2546 	int ret = 0;
2547 	uint32_t *size, size_val;
2548 
2549 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2550 		return -EOPNOTSUPP;
2551 
2552 	if (!data || !size_arg)
2553 		return -EINVAL;
2554 
2555 	size_val = *size_arg;
2556 	size = &size_val;
2557 
2558 	if (smu->ppt_funcs->read_sensor)
2559 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2560 			goto unlock;
2561 
2562 	switch (sensor) {
2563 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2564 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2565 		*size = 4;
2566 		break;
2567 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2568 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2569 		*size = 4;
2570 		break;
2571 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2572 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2573 		*size = 4;
2574 		break;
2575 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2576 		*((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2577 		*size = 4;
2578 		break;
2579 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2580 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2581 		*size = 8;
2582 		break;
2583 	case AMDGPU_PP_SENSOR_UVD_POWER:
2584 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2585 		*size = 4;
2586 		break;
2587 	case AMDGPU_PP_SENSOR_VCE_POWER:
2588 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2589 		*size = 4;
2590 		break;
2591 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2592 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
2593 		*size = 4;
2594 		break;
2595 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2596 		*(uint32_t *)data = 0;
2597 		*size = 4;
2598 		break;
2599 	default:
2600 		*size = 0;
2601 		ret = -EOPNOTSUPP;
2602 		break;
2603 	}
2604 
2605 unlock:
2606 	// assign uint32_t to int
2607 	*size_arg = size_val;
2608 
2609 	return ret;
2610 }
2611 
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)2612 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
2613 {
2614 	int ret = -EINVAL;
2615 	struct smu_context *smu = handle;
2616 
2617 	if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
2618 		ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
2619 
2620 	return ret;
2621 }
2622 
smu_set_apu_thermal_limit(void * handle,uint32_t limit)2623 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
2624 {
2625 	int ret = -EINVAL;
2626 	struct smu_context *smu = handle;
2627 
2628 	if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
2629 		ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
2630 
2631 	return ret;
2632 }
2633 
smu_get_power_profile_mode(void * handle,char * buf)2634 static int smu_get_power_profile_mode(void *handle, char *buf)
2635 {
2636 	struct smu_context *smu = handle;
2637 
2638 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2639 	    !smu->ppt_funcs->get_power_profile_mode)
2640 		return -EOPNOTSUPP;
2641 	if (!buf)
2642 		return -EINVAL;
2643 
2644 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
2645 }
2646 
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)2647 static int smu_set_power_profile_mode(void *handle,
2648 				      long *param,
2649 				      uint32_t param_size)
2650 {
2651 	struct smu_context *smu = handle;
2652 
2653 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
2654 	    !smu->ppt_funcs->set_power_profile_mode)
2655 		return -EOPNOTSUPP;
2656 
2657 	return smu_bump_power_profile_mode(smu, param, param_size);
2658 }
2659 
smu_get_fan_control_mode(void * handle,u32 * fan_mode)2660 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
2661 {
2662 	struct smu_context *smu = handle;
2663 
2664 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2665 		return -EOPNOTSUPP;
2666 
2667 	if (!smu->ppt_funcs->get_fan_control_mode)
2668 		return -EOPNOTSUPP;
2669 
2670 	if (!fan_mode)
2671 		return -EINVAL;
2672 
2673 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
2674 
2675 	return 0;
2676 }
2677 
smu_set_fan_control_mode(void * handle,u32 value)2678 static int smu_set_fan_control_mode(void *handle, u32 value)
2679 {
2680 	struct smu_context *smu = handle;
2681 	int ret = 0;
2682 
2683 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2684 		return -EOPNOTSUPP;
2685 
2686 	if (!smu->ppt_funcs->set_fan_control_mode)
2687 		return -EOPNOTSUPP;
2688 
2689 	if (value == U32_MAX)
2690 		return -EINVAL;
2691 
2692 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
2693 	if (ret)
2694 		goto out;
2695 
2696 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2697 		smu->user_dpm_profile.fan_mode = value;
2698 
2699 		/* reset user dpm fan speed */
2700 		if (value != AMD_FAN_CTRL_MANUAL) {
2701 			smu->user_dpm_profile.fan_speed_pwm = 0;
2702 			smu->user_dpm_profile.fan_speed_rpm = 0;
2703 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
2704 		}
2705 	}
2706 
2707 out:
2708 	return ret;
2709 }
2710 
smu_get_fan_speed_pwm(void * handle,u32 * speed)2711 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
2712 {
2713 	struct smu_context *smu = handle;
2714 	int ret = 0;
2715 
2716 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2717 		return -EOPNOTSUPP;
2718 
2719 	if (!smu->ppt_funcs->get_fan_speed_pwm)
2720 		return -EOPNOTSUPP;
2721 
2722 	if (!speed)
2723 		return -EINVAL;
2724 
2725 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
2726 
2727 	return ret;
2728 }
2729 
smu_set_fan_speed_pwm(void * handle,u32 speed)2730 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
2731 {
2732 	struct smu_context *smu = handle;
2733 	int ret = 0;
2734 
2735 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2736 		return -EOPNOTSUPP;
2737 
2738 	if (!smu->ppt_funcs->set_fan_speed_pwm)
2739 		return -EOPNOTSUPP;
2740 
2741 	if (speed == U32_MAX)
2742 		return -EINVAL;
2743 
2744 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
2745 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2746 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
2747 		smu->user_dpm_profile.fan_speed_pwm = speed;
2748 
2749 		/* Override custom RPM setting as they cannot co-exist */
2750 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
2751 		smu->user_dpm_profile.fan_speed_rpm = 0;
2752 	}
2753 
2754 	return ret;
2755 }
2756 
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)2757 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
2758 {
2759 	struct smu_context *smu = handle;
2760 	int ret = 0;
2761 
2762 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2763 		return -EOPNOTSUPP;
2764 
2765 	if (!smu->ppt_funcs->get_fan_speed_rpm)
2766 		return -EOPNOTSUPP;
2767 
2768 	if (!speed)
2769 		return -EINVAL;
2770 
2771 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
2772 
2773 	return ret;
2774 }
2775 
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)2776 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
2777 {
2778 	struct smu_context *smu = handle;
2779 
2780 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2781 		return -EOPNOTSUPP;
2782 
2783 	return smu_set_min_dcef_deep_sleep(smu, clk);
2784 }
2785 
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)2786 static int smu_get_clock_by_type_with_latency(void *handle,
2787 					      enum amd_pp_clock_type type,
2788 					      struct pp_clock_levels_with_latency *clocks)
2789 {
2790 	struct smu_context *smu = handle;
2791 	enum smu_clk_type clk_type;
2792 	int ret = 0;
2793 
2794 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2795 		return -EOPNOTSUPP;
2796 
2797 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
2798 		switch (type) {
2799 		case amd_pp_sys_clock:
2800 			clk_type = SMU_GFXCLK;
2801 			break;
2802 		case amd_pp_mem_clock:
2803 			clk_type = SMU_MCLK;
2804 			break;
2805 		case amd_pp_dcef_clock:
2806 			clk_type = SMU_DCEFCLK;
2807 			break;
2808 		case amd_pp_disp_clock:
2809 			clk_type = SMU_DISPCLK;
2810 			break;
2811 		default:
2812 			dev_err(smu->adev->dev, "Invalid clock type!\n");
2813 			return -EINVAL;
2814 		}
2815 
2816 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
2817 	}
2818 
2819 	return ret;
2820 }
2821 
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)2822 static int smu_display_clock_voltage_request(void *handle,
2823 					     struct pp_display_clock_request *clock_req)
2824 {
2825 	struct smu_context *smu = handle;
2826 	int ret = 0;
2827 
2828 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2829 		return -EOPNOTSUPP;
2830 
2831 	if (smu->ppt_funcs->display_clock_voltage_request)
2832 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
2833 
2834 	return ret;
2835 }
2836 
2837 
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)2838 static int smu_display_disable_memory_clock_switch(void *handle,
2839 						   bool disable_memory_clock_switch)
2840 {
2841 	struct smu_context *smu = handle;
2842 	int ret = -EINVAL;
2843 
2844 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2845 		return -EOPNOTSUPP;
2846 
2847 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
2848 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
2849 
2850 	return ret;
2851 }
2852 
smu_set_xgmi_pstate(void * handle,uint32_t pstate)2853 static int smu_set_xgmi_pstate(void *handle,
2854 			       uint32_t pstate)
2855 {
2856 	struct smu_context *smu = handle;
2857 	int ret = 0;
2858 
2859 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2860 		return -EOPNOTSUPP;
2861 
2862 	if (smu->ppt_funcs->set_xgmi_pstate)
2863 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
2864 
2865 	if (ret)
2866 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
2867 
2868 	return ret;
2869 }
2870 
smu_get_baco_capability(void * handle,bool * cap)2871 static int smu_get_baco_capability(void *handle, bool *cap)
2872 {
2873 	struct smu_context *smu = handle;
2874 
2875 	*cap = false;
2876 
2877 	if (!smu->pm_enabled)
2878 		return 0;
2879 
2880 	if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
2881 		*cap = smu->ppt_funcs->baco_is_support(smu);
2882 
2883 	return 0;
2884 }
2885 
smu_baco_set_state(void * handle,int state)2886 static int smu_baco_set_state(void *handle, int state)
2887 {
2888 	struct smu_context *smu = handle;
2889 	int ret = 0;
2890 
2891 	if (!smu->pm_enabled)
2892 		return -EOPNOTSUPP;
2893 
2894 	if (state == 0) {
2895 		if (smu->ppt_funcs->baco_exit)
2896 			ret = smu->ppt_funcs->baco_exit(smu);
2897 	} else if (state == 1) {
2898 		if (smu->ppt_funcs->baco_enter)
2899 			ret = smu->ppt_funcs->baco_enter(smu);
2900 	} else {
2901 		return -EINVAL;
2902 	}
2903 
2904 	if (ret)
2905 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
2906 				(state)?"enter":"exit");
2907 
2908 	return ret;
2909 }
2910 
smu_mode1_reset_is_support(struct smu_context * smu)2911 bool smu_mode1_reset_is_support(struct smu_context *smu)
2912 {
2913 	bool ret = false;
2914 
2915 	if (!smu->pm_enabled)
2916 		return false;
2917 
2918 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
2919 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
2920 
2921 	return ret;
2922 }
2923 
smu_mode2_reset_is_support(struct smu_context * smu)2924 bool smu_mode2_reset_is_support(struct smu_context *smu)
2925 {
2926 	bool ret = false;
2927 
2928 	if (!smu->pm_enabled)
2929 		return false;
2930 
2931 	if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
2932 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
2933 
2934 	return ret;
2935 }
2936 
smu_mode1_reset(struct smu_context * smu)2937 int smu_mode1_reset(struct smu_context *smu)
2938 {
2939 	int ret = 0;
2940 
2941 	if (!smu->pm_enabled)
2942 		return -EOPNOTSUPP;
2943 
2944 	if (smu->ppt_funcs->mode1_reset)
2945 		ret = smu->ppt_funcs->mode1_reset(smu);
2946 
2947 	return ret;
2948 }
2949 
smu_mode2_reset(void * handle)2950 static int smu_mode2_reset(void *handle)
2951 {
2952 	struct smu_context *smu = handle;
2953 	int ret = 0;
2954 
2955 	if (!smu->pm_enabled)
2956 		return -EOPNOTSUPP;
2957 
2958 	if (smu->ppt_funcs->mode2_reset)
2959 		ret = smu->ppt_funcs->mode2_reset(smu);
2960 
2961 	if (ret)
2962 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
2963 
2964 	return ret;
2965 }
2966 
smu_enable_gfx_features(void * handle)2967 static int smu_enable_gfx_features(void *handle)
2968 {
2969 	struct smu_context *smu = handle;
2970 	int ret = 0;
2971 
2972 	if (!smu->pm_enabled)
2973 		return -EOPNOTSUPP;
2974 
2975 	if (smu->ppt_funcs->enable_gfx_features)
2976 		ret = smu->ppt_funcs->enable_gfx_features(smu);
2977 
2978 	if (ret)
2979 		dev_err(smu->adev->dev, "enable gfx features failed!\n");
2980 
2981 	return ret;
2982 }
2983 
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)2984 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
2985 						struct pp_smu_nv_clock_table *max_clocks)
2986 {
2987 	struct smu_context *smu = handle;
2988 	int ret = 0;
2989 
2990 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2991 		return -EOPNOTSUPP;
2992 
2993 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
2994 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
2995 
2996 	return ret;
2997 }
2998 
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)2999 static int smu_get_uclk_dpm_states(void *handle,
3000 				   unsigned int *clock_values_in_khz,
3001 				   unsigned int *num_states)
3002 {
3003 	struct smu_context *smu = handle;
3004 	int ret = 0;
3005 
3006 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3007 		return -EOPNOTSUPP;
3008 
3009 	if (smu->ppt_funcs->get_uclk_dpm_states)
3010 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3011 
3012 	return ret;
3013 }
3014 
smu_get_current_power_state(void * handle)3015 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3016 {
3017 	struct smu_context *smu = handle;
3018 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3019 
3020 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3021 		return -EOPNOTSUPP;
3022 
3023 	if (smu->ppt_funcs->get_current_power_state)
3024 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
3025 
3026 	return pm_state;
3027 }
3028 
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3029 static int smu_get_dpm_clock_table(void *handle,
3030 				   struct dpm_clocks *clock_table)
3031 {
3032 	struct smu_context *smu = handle;
3033 	int ret = 0;
3034 
3035 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3036 		return -EOPNOTSUPP;
3037 
3038 	if (smu->ppt_funcs->get_dpm_clock_table)
3039 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3040 
3041 	return ret;
3042 }
3043 
smu_sys_get_gpu_metrics(void * handle,void ** table)3044 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3045 {
3046 	struct smu_context *smu = handle;
3047 
3048 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3049 		return -EOPNOTSUPP;
3050 
3051 	if (!smu->ppt_funcs->get_gpu_metrics)
3052 		return -EOPNOTSUPP;
3053 
3054 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
3055 }
3056 
smu_enable_mgpu_fan_boost(void * handle)3057 static int smu_enable_mgpu_fan_boost(void *handle)
3058 {
3059 	struct smu_context *smu = handle;
3060 	int ret = 0;
3061 
3062 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3063 		return -EOPNOTSUPP;
3064 
3065 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
3066 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3067 
3068 	return ret;
3069 }
3070 
smu_gfx_state_change_set(void * handle,uint32_t state)3071 static int smu_gfx_state_change_set(void *handle,
3072 				    uint32_t state)
3073 {
3074 	struct smu_context *smu = handle;
3075 	int ret = 0;
3076 
3077 	if (smu->ppt_funcs->gfx_state_change_set)
3078 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3079 
3080 	return ret;
3081 }
3082 
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3083 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3084 {
3085 	int ret = 0;
3086 
3087 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3088 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3089 
3090 	return ret;
3091 }
3092 
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3093 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3094 {
3095 	int ret = -EOPNOTSUPP;
3096 
3097 	if (smu->ppt_funcs &&
3098 		smu->ppt_funcs->get_ecc_info)
3099 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3100 
3101 	return ret;
3102 
3103 }
3104 
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3105 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3106 {
3107 	struct smu_context *smu = handle;
3108 	struct smu_table_context *smu_table = &smu->smu_table;
3109 	struct smu_table *memory_pool = &smu_table->memory_pool;
3110 
3111 	if (!addr || !size)
3112 		return -EINVAL;
3113 
3114 	*addr = NULL;
3115 	*size = 0;
3116 	if (memory_pool->bo) {
3117 		*addr = memory_pool->cpu_addr;
3118 		*size = memory_pool->size;
3119 	}
3120 
3121 	return 0;
3122 }
3123 
3124 static const struct amd_pm_funcs swsmu_pm_funcs = {
3125 	/* export for sysfs */
3126 	.set_fan_control_mode    = smu_set_fan_control_mode,
3127 	.get_fan_control_mode    = smu_get_fan_control_mode,
3128 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3129 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3130 	.force_clock_level       = smu_force_ppclk_levels,
3131 	.print_clock_levels      = smu_print_ppclk_levels,
3132 	.emit_clock_levels       = smu_emit_ppclk_levels,
3133 	.force_performance_level = smu_force_performance_level,
3134 	.read_sensor             = smu_read_sensor,
3135 	.get_apu_thermal_limit       = smu_get_apu_thermal_limit,
3136 	.set_apu_thermal_limit       = smu_set_apu_thermal_limit,
3137 	.get_performance_level   = smu_get_performance_level,
3138 	.get_current_power_state = smu_get_current_power_state,
3139 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3140 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3141 	.get_pp_num_states       = smu_get_power_num_states,
3142 	.get_pp_table            = smu_sys_get_pp_table,
3143 	.set_pp_table            = smu_sys_set_pp_table,
3144 	.switch_power_profile    = smu_switch_power_profile,
3145 	/* export to amdgpu */
3146 	.dispatch_tasks          = smu_handle_dpm_task,
3147 	.load_firmware           = smu_load_microcode,
3148 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3149 	.set_power_limit         = smu_set_power_limit,
3150 	.get_power_limit         = smu_get_power_limit,
3151 	.get_power_profile_mode  = smu_get_power_profile_mode,
3152 	.set_power_profile_mode  = smu_set_power_profile_mode,
3153 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3154 	.set_mp1_state           = smu_set_mp1_state,
3155 	.gfx_state_change_set    = smu_gfx_state_change_set,
3156 	/* export to DC */
3157 	.get_sclk                         = smu_get_sclk,
3158 	.get_mclk                         = smu_get_mclk,
3159 	.display_configuration_change     = smu_display_configuration_change,
3160 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3161 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3162 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3163 	.set_active_display_count         = smu_set_display_count,
3164 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3165 	.get_asic_baco_capability         = smu_get_baco_capability,
3166 	.set_asic_baco_state              = smu_baco_set_state,
3167 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3168 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3169 	.asic_reset_mode_2                = smu_mode2_reset,
3170 	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
3171 	.set_df_cstate                    = smu_set_df_cstate,
3172 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3173 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3174 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3175 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3176 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3177 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3178 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3179 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3180 };
3181 
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3182 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3183 		       uint64_t event_arg)
3184 {
3185 	int ret = -EINVAL;
3186 
3187 	if (smu->ppt_funcs->wait_for_event)
3188 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3189 
3190 	return ret;
3191 }
3192 
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3193 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3194 {
3195 
3196 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3197 		return -EOPNOTSUPP;
3198 
3199 	/* Confirm the buffer allocated is of correct size */
3200 	if (size != smu->stb_context.stb_buf_size)
3201 		return -EINVAL;
3202 
3203 	/*
3204 	 * No need to lock smu mutex as we access STB directly through MMIO
3205 	 * and not going through SMU messaging route (for now at least).
3206 	 * For registers access rely on implementation internal locking.
3207 	 */
3208 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3209 }
3210 
3211 #if defined(CONFIG_DEBUG_FS)
3212 
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3213 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3214 {
3215 	struct amdgpu_device *adev = filp->f_inode->i_private;
3216 	struct smu_context *smu = adev->powerplay.pp_handle;
3217 	unsigned char *buf;
3218 	int r;
3219 
3220 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3221 	if (!buf)
3222 		return -ENOMEM;
3223 
3224 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3225 	if (r)
3226 		goto out;
3227 
3228 	filp->private_data = buf;
3229 
3230 	return 0;
3231 
3232 out:
3233 	kvfree(buf);
3234 	return r;
3235 }
3236 
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3237 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3238 				loff_t *pos)
3239 {
3240 	struct amdgpu_device *adev = filp->f_inode->i_private;
3241 	struct smu_context *smu = adev->powerplay.pp_handle;
3242 
3243 
3244 	if (!filp->private_data)
3245 		return -EINVAL;
3246 
3247 	return simple_read_from_buffer(buf,
3248 				       size,
3249 				       pos, filp->private_data,
3250 				       smu->stb_context.stb_buf_size);
3251 }
3252 
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3253 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3254 {
3255 	kvfree(filp->private_data);
3256 	filp->private_data = NULL;
3257 
3258 	return 0;
3259 }
3260 
3261 /*
3262  * We have to define not only read method but also
3263  * open and release because .read takes up to PAGE_SIZE
3264  * data each time so and so is invoked multiple times.
3265  *  We allocate the STB buffer in .open and release it
3266  *  in .release
3267  */
3268 static const struct file_operations smu_stb_debugfs_fops = {
3269 	.owner = THIS_MODULE,
3270 	.open = smu_stb_debugfs_open,
3271 	.read = smu_stb_debugfs_read,
3272 	.release = smu_stb_debugfs_release,
3273 	.llseek = default_llseek,
3274 };
3275 
3276 #endif
3277 
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3278 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3279 {
3280 #if defined(CONFIG_DEBUG_FS)
3281 
3282 	struct smu_context *smu = adev->powerplay.pp_handle;
3283 
3284 	if (!smu || (!smu->stb_context.stb_buf_size))
3285 		return;
3286 
3287 	debugfs_create_file_size("amdgpu_smu_stb_dump",
3288 			    S_IRUSR,
3289 			    adev_to_drm(adev)->primary->debugfs_root,
3290 			    adev,
3291 			    &smu_stb_debugfs_fops,
3292 			    smu->stb_context.stb_buf_size);
3293 #endif
3294 }
3295 
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3296 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3297 {
3298 	int ret = 0;
3299 
3300 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3301 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3302 
3303 	return ret;
3304 }
3305 
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3306 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3307 {
3308 	int ret = 0;
3309 
3310 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3311 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3312 
3313 	return ret;
3314 }
3315