1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 
23 #define SWSMU_CODE_LAYER_L1
24 
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/power_supply.h>
28 #include <linux/reboot.h>
29 
30 #include "amdgpu.h"
31 #include "amdgpu_smu.h"
32 #include "smu_internal.h"
33 #include "atom.h"
34 #include "arcturus_ppt.h"
35 #include "navi10_ppt.h"
36 #include "sienna_cichlid_ppt.h"
37 #include "renoir_ppt.h"
38 #include "vangogh_ppt.h"
39 #include "aldebaran_ppt.h"
40 #include "yellow_carp_ppt.h"
41 #include "cyan_skillfish_ppt.h"
42 #include "smu_v13_0_0_ppt.h"
43 #include "smu_v13_0_4_ppt.h"
44 #include "smu_v13_0_5_ppt.h"
45 #include "smu_v13_0_6_ppt.h"
46 #include "smu_v13_0_7_ppt.h"
47 #include "smu_v14_0_0_ppt.h"
48 #include "smu_v14_0_2_ppt.h"
49 #include "amd_pcie.h"
50 
51 /*
52  * DO NOT use these for err/warn/info/debug messages.
53  * Use dev_err, dev_warn, dev_info and dev_dbg instead.
54  * They are more MGPU friendly.
55  */
56 #undef pr_err
57 #undef pr_warn
58 #undef pr_info
59 #undef pr_debug
60 
61 static const struct amd_pm_funcs swsmu_pm_funcs;
62 static int smu_force_smuclk_levels(struct smu_context *smu,
63 				   enum smu_clk_type clk_type,
64 				   uint32_t mask);
65 static int smu_handle_task(struct smu_context *smu,
66 			   enum amd_dpm_forced_level level,
67 			   enum amd_pp_task task_id);
68 static int smu_reset(struct smu_context *smu);
69 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
70 static int smu_set_fan_control_mode(void *handle, u32 value);
71 static int smu_set_power_limit(void *handle, uint32_t limit);
72 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
73 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
74 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
75 static void smu_power_profile_mode_get(struct smu_context *smu,
76 				       enum PP_SMC_POWER_PROFILE profile_mode);
77 static void smu_power_profile_mode_put(struct smu_context *smu,
78 				       enum PP_SMC_POWER_PROFILE profile_mode);
79 
smu_sys_get_pp_feature_mask(void * handle,char * buf)80 static int smu_sys_get_pp_feature_mask(void *handle,
81 				       char *buf)
82 {
83 	struct smu_context *smu = handle;
84 
85 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
86 		return -EOPNOTSUPP;
87 
88 	return smu_get_pp_feature_mask(smu, buf);
89 }
90 
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)91 static int smu_sys_set_pp_feature_mask(void *handle,
92 				       uint64_t new_mask)
93 {
94 	struct smu_context *smu = handle;
95 
96 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
97 		return -EOPNOTSUPP;
98 
99 	return smu_set_pp_feature_mask(smu, new_mask);
100 }
101 
smu_set_residency_gfxoff(struct smu_context * smu,bool value)102 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
103 {
104 	if (!smu->ppt_funcs->set_gfx_off_residency)
105 		return -EINVAL;
106 
107 	return smu_set_gfx_off_residency(smu, value);
108 }
109 
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)110 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
111 {
112 	if (!smu->ppt_funcs->get_gfx_off_residency)
113 		return -EINVAL;
114 
115 	return smu_get_gfx_off_residency(smu, value);
116 }
117 
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)118 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
119 {
120 	if (!smu->ppt_funcs->get_gfx_off_entrycount)
121 		return -EINVAL;
122 
123 	return smu_get_gfx_off_entrycount(smu, value);
124 }
125 
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)126 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
127 {
128 	if (!smu->ppt_funcs->get_gfx_off_status)
129 		return -EINVAL;
130 
131 	*value = smu_get_gfx_off_status(smu);
132 
133 	return 0;
134 }
135 
smu_set_soft_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t min,uint32_t max)136 int smu_set_soft_freq_range(struct smu_context *smu,
137 			    enum smu_clk_type clk_type,
138 			    uint32_t min,
139 			    uint32_t max)
140 {
141 	int ret = 0;
142 
143 	if (smu->ppt_funcs->set_soft_freq_limited_range)
144 		ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
145 								  clk_type,
146 								  min,
147 								  max);
148 
149 	return ret;
150 }
151 
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)152 int smu_get_dpm_freq_range(struct smu_context *smu,
153 			   enum smu_clk_type clk_type,
154 			   uint32_t *min,
155 			   uint32_t *max)
156 {
157 	int ret = -ENOTSUPP;
158 
159 	if (!min && !max)
160 		return -EINVAL;
161 
162 	if (smu->ppt_funcs->get_dpm_ultimate_freq)
163 		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
164 							    clk_type,
165 							    min,
166 							    max);
167 
168 	return ret;
169 }
170 
smu_set_gfx_power_up_by_imu(struct smu_context * smu)171 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
172 {
173 	int ret = 0;
174 	struct amdgpu_device *adev = smu->adev;
175 
176 	if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
177 		ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
178 		if (ret)
179 			dev_err(adev->dev, "Failed to enable gfx imu!\n");
180 	}
181 	return ret;
182 }
183 
smu_get_mclk(void * handle,bool low)184 static u32 smu_get_mclk(void *handle, bool low)
185 {
186 	struct smu_context *smu = handle;
187 	uint32_t clk_freq;
188 	int ret = 0;
189 
190 	ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
191 				     low ? &clk_freq : NULL,
192 				     !low ? &clk_freq : NULL);
193 	if (ret)
194 		return 0;
195 	return clk_freq * 100;
196 }
197 
smu_get_sclk(void * handle,bool low)198 static u32 smu_get_sclk(void *handle, bool low)
199 {
200 	struct smu_context *smu = handle;
201 	uint32_t clk_freq;
202 	int ret = 0;
203 
204 	ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
205 				     low ? &clk_freq : NULL,
206 				     !low ? &clk_freq : NULL);
207 	if (ret)
208 		return 0;
209 	return clk_freq * 100;
210 }
211 
smu_set_gfx_imu_enable(struct smu_context * smu)212 static int smu_set_gfx_imu_enable(struct smu_context *smu)
213 {
214 	struct amdgpu_device *adev = smu->adev;
215 
216 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
217 		return 0;
218 
219 	if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
220 		return 0;
221 
222 	return smu_set_gfx_power_up_by_imu(smu);
223 }
224 
is_vcn_enabled(struct amdgpu_device * adev)225 static bool is_vcn_enabled(struct amdgpu_device *adev)
226 {
227 	int i;
228 
229 	for (i = 0; i < adev->num_ip_blocks; i++) {
230 		if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCN ||
231 			adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_JPEG) &&
232 			!adev->ip_blocks[i].status.valid)
233 			return false;
234 	}
235 
236 	return true;
237 }
238 
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable)239 static int smu_dpm_set_vcn_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 	/*
247 	 * don't poweron vcn/jpeg when they are skipped.
248 	 */
249 	if (!is_vcn_enabled(smu->adev))
250 		return 0;
251 
252 	if (!smu->ppt_funcs->dpm_set_vcn_enable)
253 		return 0;
254 
255 	if (atomic_read(&power_gate->vcn_gated) ^ enable)
256 		return 0;
257 
258 	ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
259 	if (!ret)
260 		atomic_set(&power_gate->vcn_gated, !enable);
261 
262 	return ret;
263 }
264 
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)265 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
266 				   bool enable)
267 {
268 	struct smu_power_context *smu_power = &smu->smu_power;
269 	struct smu_power_gate *power_gate = &smu_power->power_gate;
270 	int ret = 0;
271 
272 	if (!is_vcn_enabled(smu->adev))
273 		return 0;
274 
275 	if (!smu->ppt_funcs->dpm_set_jpeg_enable)
276 		return 0;
277 
278 	if (atomic_read(&power_gate->jpeg_gated) ^ enable)
279 		return 0;
280 
281 	ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
282 	if (!ret)
283 		atomic_set(&power_gate->jpeg_gated, !enable);
284 
285 	return ret;
286 }
287 
smu_dpm_set_vpe_enable(struct smu_context * smu,bool enable)288 static int smu_dpm_set_vpe_enable(struct smu_context *smu,
289 				   bool enable)
290 {
291 	struct smu_power_context *smu_power = &smu->smu_power;
292 	struct smu_power_gate *power_gate = &smu_power->power_gate;
293 	int ret = 0;
294 
295 	if (!smu->ppt_funcs->dpm_set_vpe_enable)
296 		return 0;
297 
298 	if (atomic_read(&power_gate->vpe_gated) ^ enable)
299 		return 0;
300 
301 	ret = smu->ppt_funcs->dpm_set_vpe_enable(smu, enable);
302 	if (!ret)
303 		atomic_set(&power_gate->vpe_gated, !enable);
304 
305 	return ret;
306 }
307 
smu_dpm_set_umsch_mm_enable(struct smu_context * smu,bool enable)308 static int smu_dpm_set_umsch_mm_enable(struct smu_context *smu,
309 				   bool enable)
310 {
311 	struct smu_power_context *smu_power = &smu->smu_power;
312 	struct smu_power_gate *power_gate = &smu_power->power_gate;
313 	int ret = 0;
314 
315 	if (!smu->adev->enable_umsch_mm)
316 		return 0;
317 
318 	if (!smu->ppt_funcs->dpm_set_umsch_mm_enable)
319 		return 0;
320 
321 	if (atomic_read(&power_gate->umsch_mm_gated) ^ enable)
322 		return 0;
323 
324 	ret = smu->ppt_funcs->dpm_set_umsch_mm_enable(smu, enable);
325 	if (!ret)
326 		atomic_set(&power_gate->umsch_mm_gated, !enable);
327 
328 	return ret;
329 }
330 
smu_set_mall_enable(struct smu_context * smu)331 static int smu_set_mall_enable(struct smu_context *smu)
332 {
333 	int ret = 0;
334 
335 	if (!smu->ppt_funcs->set_mall_enable)
336 		return 0;
337 
338 	ret = smu->ppt_funcs->set_mall_enable(smu);
339 
340 	return ret;
341 }
342 
343 /**
344  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
345  *
346  * @handle:        smu_context pointer
347  * @block_type: the IP block to power gate/ungate
348  * @gate:       to power gate if true, ungate otherwise
349  *
350  * This API uses no smu->mutex lock protection due to:
351  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
352  *    This is guarded to be race condition free by the caller.
353  * 2. Or get called on user setting request of power_dpm_force_performance_level.
354  *    Under this case, the smu->mutex lock protection is already enforced on
355  *    the parent API smu_force_performance_level of the call path.
356  */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate)357 static int smu_dpm_set_power_gate(void *handle,
358 				  uint32_t block_type,
359 				  bool gate)
360 {
361 	struct smu_context *smu = handle;
362 	int ret = 0;
363 
364 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
365 		dev_WARN(smu->adev->dev,
366 			 "SMU uninitialized but power %s requested for %u!\n",
367 			 gate ? "gate" : "ungate", block_type);
368 		return -EOPNOTSUPP;
369 	}
370 
371 	switch (block_type) {
372 	/*
373 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
374 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
375 	 */
376 	case AMD_IP_BLOCK_TYPE_UVD:
377 	case AMD_IP_BLOCK_TYPE_VCN:
378 		ret = smu_dpm_set_vcn_enable(smu, !gate);
379 		if (ret)
380 			dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
381 				gate ? "gate" : "ungate");
382 		break;
383 	case AMD_IP_BLOCK_TYPE_GFX:
384 		ret = smu_gfx_off_control(smu, gate);
385 		if (ret)
386 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
387 				gate ? "enable" : "disable");
388 		break;
389 	case AMD_IP_BLOCK_TYPE_SDMA:
390 		ret = smu_powergate_sdma(smu, gate);
391 		if (ret)
392 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
393 				gate ? "gate" : "ungate");
394 		break;
395 	case AMD_IP_BLOCK_TYPE_JPEG:
396 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
397 		if (ret)
398 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
399 				gate ? "gate" : "ungate");
400 		break;
401 	case AMD_IP_BLOCK_TYPE_VPE:
402 		ret = smu_dpm_set_vpe_enable(smu, !gate);
403 		if (ret)
404 			dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
405 				gate ? "gate" : "ungate");
406 		break;
407 	default:
408 		dev_err(smu->adev->dev, "Unsupported block type!\n");
409 		return -EINVAL;
410 	}
411 
412 	return ret;
413 }
414 
415 /**
416  * smu_set_user_clk_dependencies - set user profile clock dependencies
417  *
418  * @smu:	smu_context pointer
419  * @clk:	enum smu_clk_type type
420  *
421  * Enable/Disable the clock dependency for the @clk type.
422  */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)423 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
424 {
425 	if (smu->adev->in_suspend)
426 		return;
427 
428 	if (clk == SMU_MCLK) {
429 		smu->user_dpm_profile.clk_dependency = 0;
430 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
431 	} else if (clk == SMU_FCLK) {
432 		/* MCLK takes precedence over FCLK */
433 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
434 			return;
435 
436 		smu->user_dpm_profile.clk_dependency = 0;
437 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
438 	} else if (clk == SMU_SOCCLK) {
439 		/* MCLK takes precedence over SOCCLK */
440 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
441 			return;
442 
443 		smu->user_dpm_profile.clk_dependency = 0;
444 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
445 	} else
446 		/* Add clk dependencies here, if any */
447 		return;
448 }
449 
450 /**
451  * smu_restore_dpm_user_profile - reinstate user dpm profile
452  *
453  * @smu:	smu_context pointer
454  *
455  * Restore the saved user power configurations include power limit,
456  * clock frequencies, fan control mode and fan speed.
457  */
smu_restore_dpm_user_profile(struct smu_context * smu)458 static void smu_restore_dpm_user_profile(struct smu_context *smu)
459 {
460 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
461 	int ret = 0;
462 
463 	if (!smu->adev->in_suspend)
464 		return;
465 
466 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
467 		return;
468 
469 	/* Enable restore flag */
470 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
471 
472 	/* set the user dpm power limit */
473 	if (smu->user_dpm_profile.power_limit) {
474 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
475 		if (ret)
476 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
477 	}
478 
479 	/* set the user dpm clock configurations */
480 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
481 		enum smu_clk_type clk_type;
482 
483 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
484 			/*
485 			 * Iterate over smu clk type and force the saved user clk
486 			 * configs, skip if clock dependency is enabled
487 			 */
488 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
489 					smu->user_dpm_profile.clk_mask[clk_type]) {
490 				ret = smu_force_smuclk_levels(smu, clk_type,
491 						smu->user_dpm_profile.clk_mask[clk_type]);
492 				if (ret)
493 					dev_err(smu->adev->dev,
494 						"Failed to set clock type = %d\n", clk_type);
495 			}
496 		}
497 	}
498 
499 	/* set the user dpm fan configurations */
500 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
501 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
502 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
503 		if (ret != -EOPNOTSUPP) {
504 			smu->user_dpm_profile.fan_speed_pwm = 0;
505 			smu->user_dpm_profile.fan_speed_rpm = 0;
506 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
507 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
508 		}
509 
510 		if (smu->user_dpm_profile.fan_speed_pwm) {
511 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
512 			if (ret != -EOPNOTSUPP)
513 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
514 		}
515 
516 		if (smu->user_dpm_profile.fan_speed_rpm) {
517 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
518 			if (ret != -EOPNOTSUPP)
519 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
520 		}
521 	}
522 
523 	/* Restore user customized OD settings */
524 	if (smu->user_dpm_profile.user_od) {
525 		if (smu->ppt_funcs->restore_user_od_settings) {
526 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
527 			if (ret)
528 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
529 		}
530 	}
531 
532 	/* Disable restore flag */
533 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
534 }
535 
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)536 static int smu_get_power_num_states(void *handle,
537 				    struct pp_states_info *state_info)
538 {
539 	if (!state_info)
540 		return -EINVAL;
541 
542 	/* not support power state */
543 	memset(state_info, 0, sizeof(struct pp_states_info));
544 	state_info->nums = 1;
545 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
546 
547 	return 0;
548 }
549 
is_support_sw_smu(struct amdgpu_device * adev)550 bool is_support_sw_smu(struct amdgpu_device *adev)
551 {
552 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
553 	if (adev->asic_type == CHIP_VEGA20)
554 		return false;
555 
556 	if (amdgpu_ip_version(adev, MP1_HWIP, 0) >= IP_VERSION(11, 0, 0))
557 		return true;
558 
559 	return false;
560 }
561 
is_support_cclk_dpm(struct amdgpu_device * adev)562 bool is_support_cclk_dpm(struct amdgpu_device *adev)
563 {
564 	struct smu_context *smu = adev->powerplay.pp_handle;
565 
566 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
567 		return false;
568 
569 	return true;
570 }
571 
572 
smu_sys_get_pp_table(void * handle,char ** table)573 static int smu_sys_get_pp_table(void *handle,
574 				char **table)
575 {
576 	struct smu_context *smu = handle;
577 	struct smu_table_context *smu_table = &smu->smu_table;
578 
579 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
580 		return -EOPNOTSUPP;
581 
582 	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
583 		return -EINVAL;
584 
585 	if (smu_table->hardcode_pptable)
586 		*table = smu_table->hardcode_pptable;
587 	else
588 		*table = smu_table->power_play_table;
589 
590 	return smu_table->power_play_table_size;
591 }
592 
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)593 static int smu_sys_set_pp_table(void *handle,
594 				const char *buf,
595 				size_t size)
596 {
597 	struct smu_context *smu = handle;
598 	struct smu_table_context *smu_table = &smu->smu_table;
599 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
600 	int ret = 0;
601 
602 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
603 		return -EOPNOTSUPP;
604 
605 	if (header->usStructureSize != size) {
606 		dev_err(smu->adev->dev, "pp table size not matched !\n");
607 		return -EIO;
608 	}
609 
610 	if (!smu_table->hardcode_pptable) {
611 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
612 		if (!smu_table->hardcode_pptable)
613 			return -ENOMEM;
614 	}
615 
616 	memcpy(smu_table->hardcode_pptable, buf, size);
617 	smu_table->power_play_table = smu_table->hardcode_pptable;
618 	smu_table->power_play_table_size = size;
619 
620 	/*
621 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
622 	 * skipped) may be needed for custom pptable uploading.
623 	 */
624 	smu->uploading_custom_pp_table = true;
625 
626 	ret = smu_reset(smu);
627 	if (ret)
628 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
629 
630 	smu->uploading_custom_pp_table = false;
631 
632 	return ret;
633 }
634 
smu_get_driver_allowed_feature_mask(struct smu_context * smu)635 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
636 {
637 	struct smu_feature *feature = &smu->smu_feature;
638 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
639 	int ret = 0;
640 
641 	/*
642 	 * With SCPM enabled, the allowed featuremasks setting(via
643 	 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
644 	 * That means there is no way to let PMFW knows the settings below.
645 	 * Thus, we just assume all the features are allowed under
646 	 * such scenario.
647 	 */
648 	if (smu->adev->scpm_enabled) {
649 		bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
650 		return 0;
651 	}
652 
653 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
654 
655 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
656 					     SMU_FEATURE_MAX/32);
657 	if (ret)
658 		return ret;
659 
660 	bitmap_or(feature->allowed, feature->allowed,
661 		      (unsigned long *)allowed_feature_mask,
662 		      feature->feature_num);
663 
664 	return ret;
665 }
666 
smu_set_funcs(struct amdgpu_device * adev)667 static int smu_set_funcs(struct amdgpu_device *adev)
668 {
669 	struct smu_context *smu = adev->powerplay.pp_handle;
670 
671 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
672 		smu->od_enabled = true;
673 
674 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
675 	case IP_VERSION(11, 0, 0):
676 	case IP_VERSION(11, 0, 5):
677 	case IP_VERSION(11, 0, 9):
678 		navi10_set_ppt_funcs(smu);
679 		break;
680 	case IP_VERSION(11, 0, 7):
681 	case IP_VERSION(11, 0, 11):
682 	case IP_VERSION(11, 0, 12):
683 	case IP_VERSION(11, 0, 13):
684 		sienna_cichlid_set_ppt_funcs(smu);
685 		break;
686 	case IP_VERSION(12, 0, 0):
687 	case IP_VERSION(12, 0, 1):
688 		renoir_set_ppt_funcs(smu);
689 		break;
690 	case IP_VERSION(11, 5, 0):
691 		vangogh_set_ppt_funcs(smu);
692 		break;
693 	case IP_VERSION(13, 0, 1):
694 	case IP_VERSION(13, 0, 3):
695 	case IP_VERSION(13, 0, 8):
696 		yellow_carp_set_ppt_funcs(smu);
697 		break;
698 	case IP_VERSION(13, 0, 4):
699 	case IP_VERSION(13, 0, 11):
700 		smu_v13_0_4_set_ppt_funcs(smu);
701 		break;
702 	case IP_VERSION(13, 0, 5):
703 		smu_v13_0_5_set_ppt_funcs(smu);
704 		break;
705 	case IP_VERSION(11, 0, 8):
706 		cyan_skillfish_set_ppt_funcs(smu);
707 		break;
708 	case IP_VERSION(11, 0, 2):
709 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
710 		arcturus_set_ppt_funcs(smu);
711 		/* OD is not supported on Arcturus */
712 		smu->od_enabled = false;
713 		break;
714 	case IP_VERSION(13, 0, 2):
715 		aldebaran_set_ppt_funcs(smu);
716 		/* Enable pp_od_clk_voltage node */
717 		smu->od_enabled = true;
718 		break;
719 	case IP_VERSION(13, 0, 0):
720 	case IP_VERSION(13, 0, 10):
721 		smu_v13_0_0_set_ppt_funcs(smu);
722 		break;
723 	case IP_VERSION(13, 0, 6):
724 	case IP_VERSION(13, 0, 14):
725 		smu_v13_0_6_set_ppt_funcs(smu);
726 		/* Enable pp_od_clk_voltage node */
727 		smu->od_enabled = true;
728 		break;
729 	case IP_VERSION(13, 0, 7):
730 		smu_v13_0_7_set_ppt_funcs(smu);
731 		break;
732 	case IP_VERSION(14, 0, 0):
733 	case IP_VERSION(14, 0, 1):
734 	case IP_VERSION(14, 0, 4):
735 		smu_v14_0_0_set_ppt_funcs(smu);
736 		break;
737 	case IP_VERSION(14, 0, 2):
738 	case IP_VERSION(14, 0, 3):
739 		smu_v14_0_2_set_ppt_funcs(smu);
740 		break;
741 	default:
742 		return -EINVAL;
743 	}
744 
745 	return 0;
746 }
747 
smu_early_init(void * handle)748 static int smu_early_init(void *handle)
749 {
750 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
751 	struct smu_context *smu;
752 	int r;
753 
754 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
755 	if (!smu)
756 		return -ENOMEM;
757 
758 	smu->adev = adev;
759 	smu->pm_enabled = !!amdgpu_dpm;
760 	smu->is_apu = false;
761 	smu->smu_baco.state = SMU_BACO_STATE_NONE;
762 	smu->smu_baco.platform_support = false;
763 	smu->smu_baco.maco_support = false;
764 	smu->user_dpm_profile.fan_mode = -1;
765 
766 	rw_init(&smu->message_lock, "smuml");
767 
768 	adev->powerplay.pp_handle = smu;
769 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
770 
771 	r = smu_set_funcs(adev);
772 	if (r)
773 		return r;
774 	return smu_init_microcode(smu);
775 }
776 
smu_set_default_dpm_table(struct smu_context * smu)777 static int smu_set_default_dpm_table(struct smu_context *smu)
778 {
779 	struct amdgpu_device *adev = smu->adev;
780 	struct smu_power_context *smu_power = &smu->smu_power;
781 	struct smu_power_gate *power_gate = &smu_power->power_gate;
782 	int vcn_gate, jpeg_gate;
783 	int ret = 0;
784 
785 	if (!smu->ppt_funcs->set_default_dpm_table)
786 		return 0;
787 
788 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
789 		vcn_gate = atomic_read(&power_gate->vcn_gated);
790 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
791 		jpeg_gate = atomic_read(&power_gate->jpeg_gated);
792 
793 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
794 		ret = smu_dpm_set_vcn_enable(smu, true);
795 		if (ret)
796 			return ret;
797 	}
798 
799 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
800 		ret = smu_dpm_set_jpeg_enable(smu, true);
801 		if (ret)
802 			goto err_out;
803 	}
804 
805 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
806 	if (ret)
807 		dev_err(smu->adev->dev,
808 			"Failed to setup default dpm clock tables!\n");
809 
810 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
811 		smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
812 err_out:
813 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
814 		smu_dpm_set_vcn_enable(smu, !vcn_gate);
815 
816 	return ret;
817 }
818 
smu_apply_default_config_table_settings(struct smu_context * smu)819 static int smu_apply_default_config_table_settings(struct smu_context *smu)
820 {
821 	struct amdgpu_device *adev = smu->adev;
822 	int ret = 0;
823 
824 	ret = smu_get_default_config_table_settings(smu,
825 						    &adev->pm.config_table);
826 	if (ret)
827 		return ret;
828 
829 	return smu_set_config_table(smu, &adev->pm.config_table);
830 }
831 
smu_late_init(void * handle)832 static int smu_late_init(void *handle)
833 {
834 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
835 	struct smu_context *smu = adev->powerplay.pp_handle;
836 	int ret = 0;
837 
838 	smu_set_fine_grain_gfx_freq_parameters(smu);
839 
840 	if (!smu->pm_enabled)
841 		return 0;
842 
843 	ret = smu_post_init(smu);
844 	if (ret) {
845 		dev_err(adev->dev, "Failed to post smu init!\n");
846 		return ret;
847 	}
848 
849 	/*
850 	 * Explicitly notify PMFW the power mode the system in. Since
851 	 * the PMFW may boot the ASIC with a different mode.
852 	 * For those supporting ACDC switch via gpio, PMFW will
853 	 * handle the switch automatically. Driver involvement
854 	 * is unnecessary.
855 	 */
856 	adev->pm.ac_power = power_supply_is_system_supplied() > 0;
857 	smu_set_ac_dc(smu);
858 
859 	if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) ||
860 	    (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3)))
861 		return 0;
862 
863 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
864 		ret = smu_set_default_od_settings(smu);
865 		if (ret) {
866 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
867 			return ret;
868 		}
869 	}
870 
871 	ret = smu_populate_umd_state_clk(smu);
872 	if (ret) {
873 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
874 		return ret;
875 	}
876 
877 	ret = smu_get_asic_power_limits(smu,
878 					&smu->current_power_limit,
879 					&smu->default_power_limit,
880 					&smu->max_power_limit,
881 					&smu->min_power_limit);
882 	if (ret) {
883 		dev_err(adev->dev, "Failed to get asic power limits!\n");
884 		return ret;
885 	}
886 
887 	if (!amdgpu_sriov_vf(adev))
888 		smu_get_unique_id(smu);
889 
890 	smu_get_fan_parameters(smu);
891 
892 	smu_handle_task(smu,
893 			smu->smu_dpm.dpm_level,
894 			AMD_PP_TASK_COMPLETE_INIT);
895 
896 	ret = smu_apply_default_config_table_settings(smu);
897 	if (ret && (ret != -EOPNOTSUPP)) {
898 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
899 		return ret;
900 	}
901 
902 	smu_restore_dpm_user_profile(smu);
903 
904 	return 0;
905 }
906 
smu_init_fb_allocations(struct smu_context * smu)907 static int smu_init_fb_allocations(struct smu_context *smu)
908 {
909 	struct amdgpu_device *adev = smu->adev;
910 	struct smu_table_context *smu_table = &smu->smu_table;
911 	struct smu_table *tables = smu_table->tables;
912 	struct smu_table *driver_table = &(smu_table->driver_table);
913 	uint32_t max_table_size = 0;
914 	int ret, i;
915 
916 	/* VRAM allocation for tool table */
917 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
918 		ret = amdgpu_bo_create_kernel(adev,
919 					      tables[SMU_TABLE_PMSTATUSLOG].size,
920 					      tables[SMU_TABLE_PMSTATUSLOG].align,
921 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
922 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
923 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
924 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
925 		if (ret) {
926 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
927 			return ret;
928 		}
929 	}
930 
931 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
932 	/* VRAM allocation for driver table */
933 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
934 		if (tables[i].size == 0)
935 			continue;
936 
937 		/* If one of the tables has VRAM domain restriction, keep it in
938 		 * VRAM
939 		 */
940 		if ((tables[i].domain &
941 		    (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
942 			    AMDGPU_GEM_DOMAIN_VRAM)
943 			driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
944 
945 		if (i == SMU_TABLE_PMSTATUSLOG)
946 			continue;
947 
948 		if (max_table_size < tables[i].size)
949 			max_table_size = tables[i].size;
950 	}
951 
952 	driver_table->size = max_table_size;
953 	driver_table->align = PAGE_SIZE;
954 
955 	ret = amdgpu_bo_create_kernel(adev,
956 				      driver_table->size,
957 				      driver_table->align,
958 				      driver_table->domain,
959 				      &driver_table->bo,
960 				      &driver_table->mc_address,
961 				      &driver_table->cpu_addr);
962 	if (ret) {
963 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
964 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
965 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
966 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
967 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
968 	}
969 
970 	return ret;
971 }
972 
smu_fini_fb_allocations(struct smu_context * smu)973 static int smu_fini_fb_allocations(struct smu_context *smu)
974 {
975 	struct smu_table_context *smu_table = &smu->smu_table;
976 	struct smu_table *tables = smu_table->tables;
977 	struct smu_table *driver_table = &(smu_table->driver_table);
978 
979 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
980 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
981 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
982 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
983 
984 	amdgpu_bo_free_kernel(&driver_table->bo,
985 			      &driver_table->mc_address,
986 			      &driver_table->cpu_addr);
987 
988 	return 0;
989 }
990 
991 /**
992  * smu_alloc_memory_pool - allocate memory pool in the system memory
993  *
994  * @smu: amdgpu_device pointer
995  *
996  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
997  * and DramLogSetDramAddr can notify it changed.
998  *
999  * Returns 0 on success, error on failure.
1000  */
smu_alloc_memory_pool(struct smu_context * smu)1001 static int smu_alloc_memory_pool(struct smu_context *smu)
1002 {
1003 	struct amdgpu_device *adev = smu->adev;
1004 	struct smu_table_context *smu_table = &smu->smu_table;
1005 	struct smu_table *memory_pool = &smu_table->memory_pool;
1006 	uint64_t pool_size = smu->pool_size;
1007 	int ret = 0;
1008 
1009 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
1010 		return ret;
1011 
1012 	memory_pool->size = pool_size;
1013 	memory_pool->align = PAGE_SIZE;
1014 	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
1015 
1016 	switch (pool_size) {
1017 	case SMU_MEMORY_POOL_SIZE_256_MB:
1018 	case SMU_MEMORY_POOL_SIZE_512_MB:
1019 	case SMU_MEMORY_POOL_SIZE_1_GB:
1020 	case SMU_MEMORY_POOL_SIZE_2_GB:
1021 		ret = amdgpu_bo_create_kernel(adev,
1022 					      memory_pool->size,
1023 					      memory_pool->align,
1024 					      memory_pool->domain,
1025 					      &memory_pool->bo,
1026 					      &memory_pool->mc_address,
1027 					      &memory_pool->cpu_addr);
1028 		if (ret)
1029 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
1030 		break;
1031 	default:
1032 		break;
1033 	}
1034 
1035 	return ret;
1036 }
1037 
smu_free_memory_pool(struct smu_context * smu)1038 static int smu_free_memory_pool(struct smu_context *smu)
1039 {
1040 	struct smu_table_context *smu_table = &smu->smu_table;
1041 	struct smu_table *memory_pool = &smu_table->memory_pool;
1042 
1043 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
1044 		return 0;
1045 
1046 	amdgpu_bo_free_kernel(&memory_pool->bo,
1047 			      &memory_pool->mc_address,
1048 			      &memory_pool->cpu_addr);
1049 
1050 	memset(memory_pool, 0, sizeof(struct smu_table));
1051 
1052 	return 0;
1053 }
1054 
smu_alloc_dummy_read_table(struct smu_context * smu)1055 static int smu_alloc_dummy_read_table(struct smu_context *smu)
1056 {
1057 	struct smu_table_context *smu_table = &smu->smu_table;
1058 	struct smu_table *dummy_read_1_table =
1059 			&smu_table->dummy_read_1_table;
1060 	struct amdgpu_device *adev = smu->adev;
1061 	int ret = 0;
1062 
1063 	if (!dummy_read_1_table->size)
1064 		return 0;
1065 
1066 	ret = amdgpu_bo_create_kernel(adev,
1067 				      dummy_read_1_table->size,
1068 				      dummy_read_1_table->align,
1069 				      dummy_read_1_table->domain,
1070 				      &dummy_read_1_table->bo,
1071 				      &dummy_read_1_table->mc_address,
1072 				      &dummy_read_1_table->cpu_addr);
1073 	if (ret)
1074 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
1075 
1076 	return ret;
1077 }
1078 
smu_free_dummy_read_table(struct smu_context * smu)1079 static void smu_free_dummy_read_table(struct smu_context *smu)
1080 {
1081 	struct smu_table_context *smu_table = &smu->smu_table;
1082 	struct smu_table *dummy_read_1_table =
1083 			&smu_table->dummy_read_1_table;
1084 
1085 
1086 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
1087 			      &dummy_read_1_table->mc_address,
1088 			      &dummy_read_1_table->cpu_addr);
1089 
1090 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
1091 }
1092 
smu_smc_table_sw_init(struct smu_context * smu)1093 static int smu_smc_table_sw_init(struct smu_context *smu)
1094 {
1095 	int ret;
1096 
1097 	/**
1098 	 * Create smu_table structure, and init smc tables such as
1099 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
1100 	 */
1101 	ret = smu_init_smc_tables(smu);
1102 	if (ret) {
1103 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
1104 		return ret;
1105 	}
1106 
1107 	/**
1108 	 * Create smu_power_context structure, and allocate smu_dpm_context and
1109 	 * context size to fill the smu_power_context data.
1110 	 */
1111 	ret = smu_init_power(smu);
1112 	if (ret) {
1113 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1114 		return ret;
1115 	}
1116 
1117 	/*
1118 	 * allocate vram bos to store smc table contents.
1119 	 */
1120 	ret = smu_init_fb_allocations(smu);
1121 	if (ret)
1122 		return ret;
1123 
1124 	ret = smu_alloc_memory_pool(smu);
1125 	if (ret)
1126 		return ret;
1127 
1128 	ret = smu_alloc_dummy_read_table(smu);
1129 	if (ret)
1130 		return ret;
1131 
1132 	ret = smu_i2c_init(smu);
1133 	if (ret)
1134 		return ret;
1135 
1136 	return 0;
1137 }
1138 
smu_smc_table_sw_fini(struct smu_context * smu)1139 static int smu_smc_table_sw_fini(struct smu_context *smu)
1140 {
1141 	int ret;
1142 
1143 	smu_i2c_fini(smu);
1144 
1145 	smu_free_dummy_read_table(smu);
1146 
1147 	ret = smu_free_memory_pool(smu);
1148 	if (ret)
1149 		return ret;
1150 
1151 	ret = smu_fini_fb_allocations(smu);
1152 	if (ret)
1153 		return ret;
1154 
1155 	ret = smu_fini_power(smu);
1156 	if (ret) {
1157 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1158 		return ret;
1159 	}
1160 
1161 	ret = smu_fini_smc_tables(smu);
1162 	if (ret) {
1163 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1164 		return ret;
1165 	}
1166 
1167 	return 0;
1168 }
1169 
smu_throttling_logging_work_fn(struct work_struct * work)1170 static void smu_throttling_logging_work_fn(struct work_struct *work)
1171 {
1172 	struct smu_context *smu = container_of(work, struct smu_context,
1173 					       throttling_logging_work);
1174 
1175 	smu_log_thermal_throttling(smu);
1176 }
1177 
smu_interrupt_work_fn(struct work_struct * work)1178 static void smu_interrupt_work_fn(struct work_struct *work)
1179 {
1180 	struct smu_context *smu = container_of(work, struct smu_context,
1181 					       interrupt_work);
1182 
1183 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1184 		smu->ppt_funcs->interrupt_work(smu);
1185 }
1186 
smu_swctf_delayed_work_handler(struct work_struct * work)1187 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1188 {
1189 	struct smu_context *smu =
1190 		container_of(work, struct smu_context, swctf_delayed_work.work);
1191 	struct smu_temperature_range *range =
1192 				&smu->thermal_range;
1193 	struct amdgpu_device *adev = smu->adev;
1194 	uint32_t hotspot_tmp, size;
1195 
1196 	/*
1197 	 * If the hotspot temperature is confirmed as below SW CTF setting point
1198 	 * after the delay enforced, nothing will be done.
1199 	 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1200 	 */
1201 	if (range->software_shutdown_temp &&
1202 	    smu->ppt_funcs->read_sensor &&
1203 	    !smu->ppt_funcs->read_sensor(smu,
1204 					 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1205 					 &hotspot_tmp,
1206 					 &size) &&
1207 	    hotspot_tmp / 1000 < range->software_shutdown_temp)
1208 		return;
1209 
1210 	dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1211 	dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1212 	orderly_poweroff(true);
1213 }
1214 
smu_init_xgmi_plpd_mode(struct smu_context * smu)1215 static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
1216 {
1217 	struct smu_dpm_context *dpm_ctxt = &(smu->smu_dpm);
1218 	struct smu_dpm_policy_ctxt *policy_ctxt;
1219 	struct smu_dpm_policy *policy;
1220 
1221 	policy = smu_get_pm_policy(smu, PP_PM_POLICY_XGMI_PLPD);
1222 	if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
1223 		if (policy)
1224 			policy->current_level = XGMI_PLPD_DEFAULT;
1225 		return;
1226 	}
1227 
1228 	/* PMFW put PLPD into default policy after enabling the feature */
1229 	if (smu_feature_is_enabled(smu,
1230 				   SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT)) {
1231 		if (policy)
1232 			policy->current_level = XGMI_PLPD_DEFAULT;
1233 	} else {
1234 		policy_ctxt = dpm_ctxt->dpm_policies;
1235 		if (policy_ctxt)
1236 			policy_ctxt->policy_mask &=
1237 				~BIT(PP_PM_POLICY_XGMI_PLPD);
1238 	}
1239 }
1240 
smu_is_workload_profile_available(struct smu_context * smu,u32 profile)1241 static bool smu_is_workload_profile_available(struct smu_context *smu,
1242 					      u32 profile)
1243 {
1244 	if (profile >= PP_SMC_POWER_PROFILE_COUNT)
1245 		return false;
1246 	return smu->workload_map && smu->workload_map[profile].valid_mapping;
1247 }
1248 
smu_sw_init(void * handle)1249 static int smu_sw_init(void *handle)
1250 {
1251 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1252 	struct smu_context *smu = adev->powerplay.pp_handle;
1253 	int ret;
1254 
1255 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1256 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1257 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1258 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1259 
1260 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1261 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1262 	atomic64_set(&smu->throttle_int_counter, 0);
1263 	smu->watermarks_bitmap = 0;
1264 
1265 	atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1266 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1267 	atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1268 	atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1269 
1270 	if (smu->is_apu ||
1271 	    !smu_is_workload_profile_available(smu, PP_SMC_POWER_PROFILE_FULLSCREEN3D))
1272 		smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1273 	else
1274 		smu->power_profile_mode = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1275 	smu_power_profile_mode_get(smu, smu->power_profile_mode);
1276 
1277 	smu->display_config = &adev->pm.pm_display_cfg;
1278 
1279 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1280 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1281 
1282 	INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1283 			  smu_swctf_delayed_work_handler);
1284 
1285 	ret = smu_smc_table_sw_init(smu);
1286 	if (ret) {
1287 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1288 		return ret;
1289 	}
1290 
1291 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1292 	ret = smu_get_vbios_bootup_values(smu);
1293 	if (ret) {
1294 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1295 		return ret;
1296 	}
1297 
1298 	ret = smu_init_pptable_microcode(smu);
1299 	if (ret) {
1300 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1301 		return ret;
1302 	}
1303 
1304 	ret = smu_register_irq_handler(smu);
1305 	if (ret) {
1306 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1307 		return ret;
1308 	}
1309 
1310 	/* If there is no way to query fan control mode, fan control is not supported */
1311 	if (!smu->ppt_funcs->get_fan_control_mode)
1312 		smu->adev->pm.no_fan = true;
1313 
1314 	return 0;
1315 }
1316 
smu_sw_fini(void * handle)1317 static int smu_sw_fini(void *handle)
1318 {
1319 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1320 	struct smu_context *smu = adev->powerplay.pp_handle;
1321 	int ret;
1322 
1323 	ret = smu_smc_table_sw_fini(smu);
1324 	if (ret) {
1325 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1326 		return ret;
1327 	}
1328 
1329 	if (smu->custom_profile_params) {
1330 		kfree(smu->custom_profile_params);
1331 		smu->custom_profile_params = NULL;
1332 	}
1333 
1334 	smu_fini_microcode(smu);
1335 
1336 	return 0;
1337 }
1338 
smu_get_thermal_temperature_range(struct smu_context * smu)1339 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1340 {
1341 	struct amdgpu_device *adev = smu->adev;
1342 	struct smu_temperature_range *range =
1343 				&smu->thermal_range;
1344 	int ret = 0;
1345 
1346 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1347 		return 0;
1348 
1349 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1350 	if (ret)
1351 		return ret;
1352 
1353 	adev->pm.dpm.thermal.min_temp = range->min;
1354 	adev->pm.dpm.thermal.max_temp = range->max;
1355 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1356 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1357 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1358 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1359 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1360 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1361 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1362 
1363 	return ret;
1364 }
1365 
1366 /**
1367  * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1368  *
1369  * @smu: smu_context pointer
1370  *
1371  * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1372  * Returns 0 on success, error on failure.
1373  */
smu_wbrf_handle_exclusion_ranges(struct smu_context * smu)1374 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1375 {
1376 	STUB();
1377 	return 0;
1378 #ifdef notyet
1379 	struct wbrf_ranges_in_out wbrf_exclusion = {0};
1380 	struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1381 	struct amdgpu_device *adev = smu->adev;
1382 	uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1383 	uint64_t start, end;
1384 	int ret, i, j;
1385 
1386 	ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1387 	if (ret) {
1388 		dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1389 		return ret;
1390 	}
1391 
1392 	/*
1393 	 * The exclusion ranges array we got might be filled with holes and duplicate
1394 	 * entries. For example:
1395 	 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1396 	 * We need to do some sortups to eliminate those holes and duplicate entries.
1397 	 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1398 	 */
1399 	for (i = 0; i < num_of_wbrf_ranges; i++) {
1400 		start = wifi_bands[i].start;
1401 		end = wifi_bands[i].end;
1402 
1403 		/* get the last valid entry to fill the intermediate hole */
1404 		if (!start && !end) {
1405 			for (j = num_of_wbrf_ranges - 1; j > i; j--)
1406 				if (wifi_bands[j].start && wifi_bands[j].end)
1407 					break;
1408 
1409 			/* no valid entry left */
1410 			if (j <= i)
1411 				break;
1412 
1413 			start = wifi_bands[i].start = wifi_bands[j].start;
1414 			end = wifi_bands[i].end = wifi_bands[j].end;
1415 			wifi_bands[j].start = 0;
1416 			wifi_bands[j].end = 0;
1417 			num_of_wbrf_ranges = j;
1418 		}
1419 
1420 		/* eliminate duplicate entries */
1421 		for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1422 			if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1423 				wifi_bands[j].start = 0;
1424 				wifi_bands[j].end = 0;
1425 			}
1426 		}
1427 	}
1428 
1429 	/* Send the sorted wifi_bands to PMFW */
1430 	ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1431 	/* Try to set the wifi_bands again */
1432 	if (unlikely(ret == -EBUSY)) {
1433 		mdelay(5);
1434 		ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1435 	}
1436 
1437 	return ret;
1438 #endif
1439 }
1440 
1441 /**
1442  * smu_wbrf_event_handler - handle notify events
1443  *
1444  * @nb: notifier block
1445  * @action: event type
1446  * @_arg: event data
1447  *
1448  * Calls relevant amdgpu function in response to wbrf event
1449  * notification from kernel.
1450  */
smu_wbrf_event_handler(struct notifier_block * nb,unsigned long action,void * _arg)1451 static int smu_wbrf_event_handler(struct notifier_block *nb,
1452 				  unsigned long action, void *_arg)
1453 {
1454 	STUB();
1455 	return NOTIFY_OK;
1456 #ifdef notyet
1457 	struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1458 
1459 	switch (action) {
1460 	case WBRF_CHANGED:
1461 		schedule_delayed_work(&smu->wbrf_delayed_work,
1462 				      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1463 		break;
1464 	default:
1465 		return NOTIFY_DONE;
1466 	}
1467 
1468 	return NOTIFY_OK;
1469 #endif
1470 }
1471 
1472 /**
1473  * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1474  *
1475  * @work: struct work_struct pointer
1476  *
1477  * Flood is over and driver will consume the latest exclusion ranges.
1478  */
smu_wbrf_delayed_work_handler(struct work_struct * work)1479 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1480 {
1481 	struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1482 
1483 	smu_wbrf_handle_exclusion_ranges(smu);
1484 }
1485 
1486 /**
1487  * smu_wbrf_support_check - check wbrf support
1488  *
1489  * @smu: smu_context pointer
1490  *
1491  * Verifies the ACPI interface whether wbrf is supported.
1492  */
smu_wbrf_support_check(struct smu_context * smu)1493 static void smu_wbrf_support_check(struct smu_context *smu)
1494 {
1495 	struct amdgpu_device *adev = smu->adev;
1496 
1497 #ifdef notyet
1498 	smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1499 							acpi_amd_wbrf_supported_consumer(adev->dev);
1500 #else
1501 	smu->wbrf_supported = false;
1502 #endif
1503 
1504 	if (smu->wbrf_supported)
1505 		dev_info(adev->dev, "RF interference mitigation is supported\n");
1506 }
1507 
1508 /**
1509  * smu_wbrf_init - init driver wbrf support
1510  *
1511  * @smu: smu_context pointer
1512  *
1513  * Verifies the AMD ACPI interfaces and registers with the wbrf
1514  * notifier chain if wbrf feature is supported.
1515  * Returns 0 on success, error on failure.
1516  */
smu_wbrf_init(struct smu_context * smu)1517 static int smu_wbrf_init(struct smu_context *smu)
1518 {
1519 	int ret;
1520 
1521 	if (!smu->wbrf_supported)
1522 		return 0;
1523 	STUB();
1524 	return 0;
1525 #ifdef notyet
1526 
1527 	INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1528 
1529 	smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1530 	ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1531 	if (ret)
1532 		return ret;
1533 
1534 	/*
1535 	 * Some wifiband exclusion ranges may be already there
1536 	 * before our driver loaded. To make sure our driver
1537 	 * is awared of those exclusion ranges.
1538 	 */
1539 	schedule_delayed_work(&smu->wbrf_delayed_work,
1540 			      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1541 
1542 	return 0;
1543 #endif
1544 }
1545 
1546 /**
1547  * smu_wbrf_fini - tear down driver wbrf support
1548  *
1549  * @smu: smu_context pointer
1550  *
1551  * Unregisters with the wbrf notifier chain.
1552  */
smu_wbrf_fini(struct smu_context * smu)1553 static void smu_wbrf_fini(struct smu_context *smu)
1554 {
1555 	if (!smu->wbrf_supported)
1556 		return;
1557 
1558 #ifdef notyet
1559 	amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1560 #endif
1561 
1562 	cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1563 }
1564 
smu_smc_hw_setup(struct smu_context * smu)1565 static int smu_smc_hw_setup(struct smu_context *smu)
1566 {
1567 	struct smu_feature *feature = &smu->smu_feature;
1568 	struct amdgpu_device *adev = smu->adev;
1569 	uint8_t pcie_gen = 0, pcie_width = 0;
1570 	uint64_t features_supported;
1571 	int ret = 0;
1572 
1573 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1574 	case IP_VERSION(11, 0, 7):
1575 	case IP_VERSION(11, 0, 11):
1576 	case IP_VERSION(11, 5, 0):
1577 	case IP_VERSION(11, 0, 12):
1578 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1579 			dev_info(adev->dev, "dpm has been enabled\n");
1580 			ret = smu_system_features_control(smu, true);
1581 			if (ret)
1582 				dev_err(adev->dev, "Failed system features control!\n");
1583 			return ret;
1584 		}
1585 		break;
1586 	default:
1587 		break;
1588 	}
1589 
1590 	ret = smu_init_display_count(smu, 0);
1591 	if (ret) {
1592 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1593 		return ret;
1594 	}
1595 
1596 	ret = smu_set_driver_table_location(smu);
1597 	if (ret) {
1598 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1599 		return ret;
1600 	}
1601 
1602 	/*
1603 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1604 	 */
1605 	ret = smu_set_tool_table_location(smu);
1606 	if (ret) {
1607 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1608 		return ret;
1609 	}
1610 
1611 	/*
1612 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1613 	 * pool location.
1614 	 */
1615 	ret = smu_notify_memory_pool_location(smu);
1616 	if (ret) {
1617 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1618 		return ret;
1619 	}
1620 
1621 	/*
1622 	 * It is assumed the pptable used before runpm is same as
1623 	 * the one used afterwards. Thus, we can reuse the stored
1624 	 * copy and do not need to resetup the pptable again.
1625 	 */
1626 	if (!adev->in_runpm) {
1627 		ret = smu_setup_pptable(smu);
1628 		if (ret) {
1629 			dev_err(adev->dev, "Failed to setup pptable!\n");
1630 			return ret;
1631 		}
1632 	}
1633 
1634 	/* smu_dump_pptable(smu); */
1635 
1636 	/*
1637 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1638 	 * (to SMU). Driver involvement is not needed and permitted.
1639 	 */
1640 	if (!adev->scpm_enabled) {
1641 		/*
1642 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1643 		 * SetDriverDramAddr and TransferTableDram2Smu.
1644 		 */
1645 		ret = smu_write_pptable(smu);
1646 		if (ret) {
1647 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1648 			return ret;
1649 		}
1650 	}
1651 
1652 	/* issue Run*Btc msg */
1653 	ret = smu_run_btc(smu);
1654 	if (ret)
1655 		return ret;
1656 
1657 	/* Enable UclkShadow on wbrf supported */
1658 	if (smu->wbrf_supported) {
1659 		ret = smu_enable_uclk_shadow(smu, true);
1660 		if (ret) {
1661 			dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1662 			return ret;
1663 		}
1664 	}
1665 
1666 	/*
1667 	 * With SCPM enabled, these actions(and relevant messages) are
1668 	 * not needed and permitted.
1669 	 */
1670 	if (!adev->scpm_enabled) {
1671 		ret = smu_feature_set_allowed_mask(smu);
1672 		if (ret) {
1673 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1674 			return ret;
1675 		}
1676 	}
1677 
1678 	ret = smu_system_features_control(smu, true);
1679 	if (ret) {
1680 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1681 		return ret;
1682 	}
1683 
1684 	smu_init_xgmi_plpd_mode(smu);
1685 
1686 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1687 	if (ret) {
1688 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1689 		return ret;
1690 	}
1691 	bitmap_copy(feature->supported,
1692 		    (unsigned long *)&features_supported,
1693 		    feature->feature_num);
1694 
1695 	if (!smu_is_dpm_running(smu))
1696 		dev_info(adev->dev, "dpm has been disabled\n");
1697 
1698 	/*
1699 	 * Set initialized values (get from vbios) to dpm tables context such as
1700 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1701 	 * type of clks.
1702 	 */
1703 	ret = smu_set_default_dpm_table(smu);
1704 	if (ret) {
1705 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1706 		return ret;
1707 	}
1708 
1709 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5)
1710 		pcie_gen = 4;
1711 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1712 		pcie_gen = 3;
1713 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1714 		pcie_gen = 2;
1715 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1716 		pcie_gen = 1;
1717 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1718 		pcie_gen = 0;
1719 
1720 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1721 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1722 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1723 	 */
1724 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32)
1725 		pcie_width = 7;
1726 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1727 		pcie_width = 6;
1728 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1729 		pcie_width = 5;
1730 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1731 		pcie_width = 4;
1732 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1733 		pcie_width = 3;
1734 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1735 		pcie_width = 2;
1736 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1737 		pcie_width = 1;
1738 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1739 	if (ret) {
1740 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1741 		return ret;
1742 	}
1743 
1744 	ret = smu_get_thermal_temperature_range(smu);
1745 	if (ret) {
1746 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1747 		return ret;
1748 	}
1749 
1750 	ret = smu_enable_thermal_alert(smu);
1751 	if (ret) {
1752 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1753 	  return ret;
1754 	}
1755 
1756 	ret = smu_notify_display_change(smu);
1757 	if (ret) {
1758 		dev_err(adev->dev, "Failed to notify display change!\n");
1759 		return ret;
1760 	}
1761 
1762 	/*
1763 	 * Set min deep sleep dce fclk with bootup value from vbios via
1764 	 * SetMinDeepSleepDcefclk MSG.
1765 	 */
1766 	ret = smu_set_min_dcef_deep_sleep(smu,
1767 					  smu->smu_table.boot_values.dcefclk / 100);
1768 	if (ret) {
1769 		dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1770 		return ret;
1771 	}
1772 
1773 	/* Init wbrf support. Properly setup the notifier */
1774 	ret = smu_wbrf_init(smu);
1775 	if (ret)
1776 		dev_err(adev->dev, "Error during wbrf init call\n");
1777 
1778 	return ret;
1779 }
1780 
smu_start_smc_engine(struct smu_context * smu)1781 static int smu_start_smc_engine(struct smu_context *smu)
1782 {
1783 	struct amdgpu_device *adev = smu->adev;
1784 	int ret = 0;
1785 
1786 	smu->smc_fw_state = SMU_FW_INIT;
1787 
1788 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1789 		if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1790 			if (smu->ppt_funcs->load_microcode) {
1791 				ret = smu->ppt_funcs->load_microcode(smu);
1792 				if (ret)
1793 					return ret;
1794 			}
1795 		}
1796 	}
1797 
1798 	if (smu->ppt_funcs->check_fw_status) {
1799 		ret = smu->ppt_funcs->check_fw_status(smu);
1800 		if (ret) {
1801 			dev_err(adev->dev, "SMC is not ready\n");
1802 			return ret;
1803 		}
1804 	}
1805 
1806 	/*
1807 	 * Send msg GetDriverIfVersion to check if the return value is equal
1808 	 * with DRIVER_IF_VERSION of smc header.
1809 	 */
1810 	ret = smu_check_fw_version(smu);
1811 	if (ret)
1812 		return ret;
1813 
1814 	return ret;
1815 }
1816 
smu_hw_init(void * handle)1817 static int smu_hw_init(void *handle)
1818 {
1819 	int ret;
1820 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1821 	struct smu_context *smu = adev->powerplay.pp_handle;
1822 
1823 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1824 		smu->pm_enabled = false;
1825 		return 0;
1826 	}
1827 
1828 	ret = smu_start_smc_engine(smu);
1829 	if (ret) {
1830 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1831 		return ret;
1832 	}
1833 
1834 	/*
1835 	 * Check whether wbrf is supported. This needs to be done
1836 	 * before SMU setup starts since part of SMU configuration
1837 	 * relies on this.
1838 	 */
1839 	smu_wbrf_support_check(smu);
1840 
1841 	if (smu->is_apu) {
1842 		ret = smu_set_gfx_imu_enable(smu);
1843 		if (ret)
1844 			return ret;
1845 		smu_dpm_set_vcn_enable(smu, true);
1846 		smu_dpm_set_jpeg_enable(smu, true);
1847 		smu_dpm_set_vpe_enable(smu, true);
1848 		smu_dpm_set_umsch_mm_enable(smu, true);
1849 		smu_set_mall_enable(smu);
1850 		smu_set_gfx_cgpg(smu, true);
1851 	}
1852 
1853 	if (!smu->pm_enabled)
1854 		return 0;
1855 
1856 	ret = smu_get_driver_allowed_feature_mask(smu);
1857 	if (ret)
1858 		return ret;
1859 
1860 	ret = smu_smc_hw_setup(smu);
1861 	if (ret) {
1862 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1863 		return ret;
1864 	}
1865 
1866 	/*
1867 	 * Move maximum sustainable clock retrieving here considering
1868 	 * 1. It is not needed on resume(from S3).
1869 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1870 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1871 	 *    it cannot be put in .late_init().
1872 	 */
1873 	ret = smu_init_max_sustainable_clocks(smu);
1874 	if (ret) {
1875 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1876 		return ret;
1877 	}
1878 
1879 	adev->pm.dpm_enabled = true;
1880 
1881 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1882 
1883 	return 0;
1884 }
1885 
smu_disable_dpms(struct smu_context * smu)1886 static int smu_disable_dpms(struct smu_context *smu)
1887 {
1888 	struct amdgpu_device *adev = smu->adev;
1889 	int ret = 0;
1890 	bool use_baco = !smu->is_apu &&
1891 		((amdgpu_in_reset(adev) &&
1892 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1893 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1894 
1895 	/*
1896 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1897 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1898 	 */
1899 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1900 	case IP_VERSION(13, 0, 0):
1901 	case IP_VERSION(13, 0, 7):
1902 	case IP_VERSION(13, 0, 10):
1903 	case IP_VERSION(14, 0, 2):
1904 	case IP_VERSION(14, 0, 3):
1905 		return 0;
1906 	default:
1907 		break;
1908 	}
1909 
1910 	/*
1911 	 * For custom pptable uploading, skip the DPM features
1912 	 * disable process on Navi1x ASICs.
1913 	 *   - As the gfx related features are under control of
1914 	 *     RLC on those ASICs. RLC reinitialization will be
1915 	 *     needed to reenable them. That will cost much more
1916 	 *     efforts.
1917 	 *
1918 	 *   - SMU firmware can handle the DPM reenablement
1919 	 *     properly.
1920 	 */
1921 	if (smu->uploading_custom_pp_table) {
1922 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1923 		case IP_VERSION(11, 0, 0):
1924 		case IP_VERSION(11, 0, 5):
1925 		case IP_VERSION(11, 0, 9):
1926 		case IP_VERSION(11, 0, 7):
1927 		case IP_VERSION(11, 0, 11):
1928 		case IP_VERSION(11, 5, 0):
1929 		case IP_VERSION(11, 0, 12):
1930 		case IP_VERSION(11, 0, 13):
1931 			return 0;
1932 		default:
1933 			break;
1934 		}
1935 	}
1936 
1937 	/*
1938 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1939 	 * on BACO in. Driver involvement is unnecessary.
1940 	 */
1941 	if (use_baco) {
1942 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1943 		case IP_VERSION(11, 0, 7):
1944 		case IP_VERSION(11, 0, 0):
1945 		case IP_VERSION(11, 0, 5):
1946 		case IP_VERSION(11, 0, 9):
1947 		case IP_VERSION(13, 0, 7):
1948 			return 0;
1949 		default:
1950 			break;
1951 		}
1952 	}
1953 
1954 	/*
1955 	 * For GFX11 and subsequent APUs, PMFW will handle the features disablement properly
1956 	 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1957 	 */
1958 	if (IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) >= 11 &&
1959 	    smu->is_apu && (amdgpu_in_reset(adev) || adev->in_s0ix))
1960 		return 0;
1961 
1962 	/*
1963 	 * For gpu reset, runpm and hibernation through BACO,
1964 	 * BACO feature has to be kept enabled.
1965 	 */
1966 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1967 		ret = smu_disable_all_features_with_exception(smu,
1968 							      SMU_FEATURE_BACO_BIT);
1969 		if (ret)
1970 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1971 	} else {
1972 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1973 		if (!adev->scpm_enabled) {
1974 			ret = smu_system_features_control(smu, false);
1975 			if (ret)
1976 				dev_err(adev->dev, "Failed to disable smu features.\n");
1977 		}
1978 	}
1979 
1980 	/* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
1981 	 * otherwise SMU will hang while interacting with RLC if RLC is halted
1982 	 * this is a WA for Vangogh asic which fix the SMU hang issue.
1983 	 */
1984 	ret = smu_notify_rlc_state(smu, false);
1985 	if (ret) {
1986 		dev_err(adev->dev, "Fail to notify rlc status!\n");
1987 		return ret;
1988 	}
1989 
1990 	if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
1991 	    !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
1992 	    !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1993 		adev->gfx.rlc.funcs->stop(adev);
1994 
1995 	return ret;
1996 }
1997 
smu_smc_hw_cleanup(struct smu_context * smu)1998 static int smu_smc_hw_cleanup(struct smu_context *smu)
1999 {
2000 	struct amdgpu_device *adev = smu->adev;
2001 	int ret = 0;
2002 
2003 	smu_wbrf_fini(smu);
2004 
2005 	cancel_work_sync(&smu->throttling_logging_work);
2006 	cancel_work_sync(&smu->interrupt_work);
2007 
2008 	ret = smu_disable_thermal_alert(smu);
2009 	if (ret) {
2010 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
2011 		return ret;
2012 	}
2013 
2014 	cancel_delayed_work_sync(&smu->swctf_delayed_work);
2015 
2016 	ret = smu_disable_dpms(smu);
2017 	if (ret) {
2018 		dev_err(adev->dev, "Fail to disable dpm features!\n");
2019 		return ret;
2020 	}
2021 
2022 	return 0;
2023 }
2024 
smu_reset_mp1_state(struct smu_context * smu)2025 static int smu_reset_mp1_state(struct smu_context *smu)
2026 {
2027 	struct amdgpu_device *adev = smu->adev;
2028 	int ret = 0;
2029 
2030 	if ((!adev->in_runpm) && (!adev->in_suspend) &&
2031 		(!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
2032 									IP_VERSION(13, 0, 10) &&
2033 		!amdgpu_device_has_display_hardware(adev))
2034 		ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
2035 
2036 	return ret;
2037 }
2038 
smu_hw_fini(void * handle)2039 static int smu_hw_fini(void *handle)
2040 {
2041 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2042 	struct smu_context *smu = adev->powerplay.pp_handle;
2043 	int ret;
2044 
2045 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2046 		return 0;
2047 
2048 	smu_dpm_set_vcn_enable(smu, false);
2049 	smu_dpm_set_jpeg_enable(smu, false);
2050 	smu_dpm_set_vpe_enable(smu, false);
2051 	smu_dpm_set_umsch_mm_enable(smu, false);
2052 
2053 	adev->vcn.cur_state = AMD_PG_STATE_GATE;
2054 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2055 
2056 	if (!smu->pm_enabled)
2057 		return 0;
2058 
2059 	adev->pm.dpm_enabled = false;
2060 
2061 	ret = smu_smc_hw_cleanup(smu);
2062 	if (ret)
2063 		return ret;
2064 
2065 	ret = smu_reset_mp1_state(smu);
2066 	if (ret)
2067 		return ret;
2068 
2069 	return 0;
2070 }
2071 
smu_late_fini(void * handle)2072 static void smu_late_fini(void *handle)
2073 {
2074 	struct amdgpu_device *adev = handle;
2075 	struct smu_context *smu = adev->powerplay.pp_handle;
2076 
2077 	kfree(smu);
2078 }
2079 
smu_reset(struct smu_context * smu)2080 static int smu_reset(struct smu_context *smu)
2081 {
2082 	struct amdgpu_device *adev = smu->adev;
2083 	int ret;
2084 
2085 	ret = smu_hw_fini(adev);
2086 	if (ret)
2087 		return ret;
2088 
2089 	ret = smu_hw_init(adev);
2090 	if (ret)
2091 		return ret;
2092 
2093 	ret = smu_late_init(adev);
2094 	if (ret)
2095 		return ret;
2096 
2097 	return 0;
2098 }
2099 
smu_suspend(void * handle)2100 static int smu_suspend(void *handle)
2101 {
2102 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2103 	struct smu_context *smu = adev->powerplay.pp_handle;
2104 	int ret;
2105 	uint64_t count;
2106 
2107 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2108 		return 0;
2109 
2110 	if (!smu->pm_enabled)
2111 		return 0;
2112 
2113 	adev->pm.dpm_enabled = false;
2114 
2115 	ret = smu_smc_hw_cleanup(smu);
2116 	if (ret)
2117 		return ret;
2118 
2119 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2120 
2121 	smu_set_gfx_cgpg(smu, false);
2122 
2123 	/*
2124 	 * pwfw resets entrycount when device is suspended, so we save the
2125 	 * last value to be used when we resume to keep it consistent
2126 	 */
2127 	ret = smu_get_entrycount_gfxoff(smu, &count);
2128 	if (!ret)
2129 		adev->gfx.gfx_off_entrycount = count;
2130 
2131 	/* clear this on suspend so it will get reprogrammed on resume */
2132 	smu->workload_mask = 0;
2133 
2134 	return 0;
2135 }
2136 
smu_resume(void * handle)2137 static int smu_resume(void *handle)
2138 {
2139 	int ret;
2140 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2141 	struct smu_context *smu = adev->powerplay.pp_handle;
2142 
2143 	if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
2144 		return 0;
2145 
2146 	if (!smu->pm_enabled)
2147 		return 0;
2148 
2149 	dev_info(adev->dev, "SMU is resuming...\n");
2150 
2151 	ret = smu_start_smc_engine(smu);
2152 	if (ret) {
2153 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
2154 		return ret;
2155 	}
2156 
2157 	ret = smu_smc_hw_setup(smu);
2158 	if (ret) {
2159 		dev_err(adev->dev, "Failed to setup smc hw!\n");
2160 		return ret;
2161 	}
2162 
2163 	ret = smu_set_gfx_imu_enable(smu);
2164 	if (ret)
2165 		return ret;
2166 
2167 	smu_set_gfx_cgpg(smu, true);
2168 
2169 	smu->disable_uclk_switch = 0;
2170 
2171 	adev->pm.dpm_enabled = true;
2172 
2173 	dev_info(adev->dev, "SMU is resumed successfully!\n");
2174 
2175 	return 0;
2176 }
2177 
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)2178 static int smu_display_configuration_change(void *handle,
2179 					    const struct amd_pp_display_configuration *display_config)
2180 {
2181 	struct smu_context *smu = handle;
2182 
2183 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2184 		return -EOPNOTSUPP;
2185 
2186 	if (!display_config)
2187 		return -EINVAL;
2188 
2189 	smu_set_min_dcef_deep_sleep(smu,
2190 				    display_config->min_dcef_deep_sleep_set_clk / 100);
2191 
2192 	return 0;
2193 }
2194 
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)2195 static int smu_set_clockgating_state(void *handle,
2196 				     enum amd_clockgating_state state)
2197 {
2198 	return 0;
2199 }
2200 
smu_set_powergating_state(void * handle,enum amd_powergating_state state)2201 static int smu_set_powergating_state(void *handle,
2202 				     enum amd_powergating_state state)
2203 {
2204 	return 0;
2205 }
2206 
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)2207 static int smu_enable_umd_pstate(void *handle,
2208 		      enum amd_dpm_forced_level *level)
2209 {
2210 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2211 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2212 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2213 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2214 
2215 	struct smu_context *smu = (struct smu_context*)(handle);
2216 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2217 
2218 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2219 		return -EINVAL;
2220 
2221 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2222 		/* enter umd pstate, save current level, disable gfx cg*/
2223 		if (*level & profile_mode_mask) {
2224 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2225 			smu_gpo_control(smu, false);
2226 			smu_gfx_ulv_control(smu, false);
2227 			smu_deep_sleep_control(smu, false);
2228 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2229 		}
2230 	} else {
2231 		/* exit umd pstate, restore level, enable gfx cg*/
2232 		if (!(*level & profile_mode_mask)) {
2233 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2234 				*level = smu_dpm_ctx->saved_dpm_level;
2235 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2236 			smu_deep_sleep_control(smu, true);
2237 			smu_gfx_ulv_control(smu, true);
2238 			smu_gpo_control(smu, true);
2239 		}
2240 	}
2241 
2242 	return 0;
2243 }
2244 
smu_bump_power_profile_mode(struct smu_context * smu,long * custom_params,u32 custom_params_max_idx)2245 static int smu_bump_power_profile_mode(struct smu_context *smu,
2246 				       long *custom_params,
2247 				       u32 custom_params_max_idx)
2248 {
2249 	u32 workload_mask = 0;
2250 	int i, ret = 0;
2251 
2252 	for (i = 0; i < PP_SMC_POWER_PROFILE_COUNT; i++) {
2253 		if (smu->workload_refcount[i])
2254 			workload_mask |= 1 << i;
2255 	}
2256 
2257 	if (smu->workload_mask == workload_mask)
2258 		return 0;
2259 
2260 	if (smu->ppt_funcs->set_power_profile_mode)
2261 		ret = smu->ppt_funcs->set_power_profile_mode(smu, workload_mask,
2262 							     custom_params,
2263 							     custom_params_max_idx);
2264 
2265 	if (!ret)
2266 		smu->workload_mask = workload_mask;
2267 
2268 	return ret;
2269 }
2270 
smu_power_profile_mode_get(struct smu_context * smu,enum PP_SMC_POWER_PROFILE profile_mode)2271 static void smu_power_profile_mode_get(struct smu_context *smu,
2272 				       enum PP_SMC_POWER_PROFILE profile_mode)
2273 {
2274 	smu->workload_refcount[profile_mode]++;
2275 }
2276 
smu_power_profile_mode_put(struct smu_context * smu,enum PP_SMC_POWER_PROFILE profile_mode)2277 static void smu_power_profile_mode_put(struct smu_context *smu,
2278 				       enum PP_SMC_POWER_PROFILE profile_mode)
2279 {
2280 	if (smu->workload_refcount[profile_mode])
2281 		smu->workload_refcount[profile_mode]--;
2282 }
2283 
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings)2284 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2285 					  enum amd_dpm_forced_level level,
2286 					  bool skip_display_settings)
2287 {
2288 	int ret = 0;
2289 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2290 
2291 	if (!skip_display_settings) {
2292 		ret = smu_display_config_changed(smu);
2293 		if (ret) {
2294 			dev_err(smu->adev->dev, "Failed to change display config!");
2295 			return ret;
2296 		}
2297 	}
2298 
2299 	ret = smu_apply_clocks_adjust_rules(smu);
2300 	if (ret) {
2301 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2302 		return ret;
2303 	}
2304 
2305 	if (!skip_display_settings) {
2306 		ret = smu_notify_smc_display_config(smu);
2307 		if (ret) {
2308 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
2309 			return ret;
2310 		}
2311 	}
2312 
2313 	if (smu_dpm_ctx->dpm_level != level) {
2314 		ret = smu_asic_set_performance_level(smu, level);
2315 		if (ret) {
2316 			dev_err(smu->adev->dev, "Failed to set performance level!");
2317 			return ret;
2318 		}
2319 
2320 		/* update the saved copy */
2321 		smu_dpm_ctx->dpm_level = level;
2322 	}
2323 
2324 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2325 	    smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2326 		smu_bump_power_profile_mode(smu, NULL, 0);
2327 
2328 	return ret;
2329 }
2330 
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)2331 static int smu_handle_task(struct smu_context *smu,
2332 			   enum amd_dpm_forced_level level,
2333 			   enum amd_pp_task task_id)
2334 {
2335 	int ret = 0;
2336 
2337 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2338 		return -EOPNOTSUPP;
2339 
2340 	switch (task_id) {
2341 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2342 		ret = smu_pre_display_config_changed(smu);
2343 		if (ret)
2344 			return ret;
2345 		ret = smu_adjust_power_state_dynamic(smu, level, false);
2346 		break;
2347 	case AMD_PP_TASK_COMPLETE_INIT:
2348 		ret = smu_adjust_power_state_dynamic(smu, level, true);
2349 		break;
2350 	case AMD_PP_TASK_READJUST_POWER_STATE:
2351 		ret = smu_adjust_power_state_dynamic(smu, level, true);
2352 		break;
2353 	default:
2354 		break;
2355 	}
2356 
2357 	return ret;
2358 }
2359 
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)2360 static int smu_handle_dpm_task(void *handle,
2361 			       enum amd_pp_task task_id,
2362 			       enum amd_pm_state_type *user_state)
2363 {
2364 	struct smu_context *smu = handle;
2365 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2366 
2367 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2368 
2369 }
2370 
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool enable)2371 static int smu_switch_power_profile(void *handle,
2372 				    enum PP_SMC_POWER_PROFILE type,
2373 				    bool enable)
2374 {
2375 	struct smu_context *smu = handle;
2376 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2377 	int ret;
2378 
2379 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2380 		return -EOPNOTSUPP;
2381 
2382 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2383 		return -EINVAL;
2384 
2385 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2386 	    smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2387 		if (enable)
2388 			smu_power_profile_mode_get(smu, type);
2389 		else
2390 			smu_power_profile_mode_put(smu, type);
2391 		ret = smu_bump_power_profile_mode(smu, NULL, 0);
2392 		if (ret) {
2393 			if (enable)
2394 				smu_power_profile_mode_put(smu, type);
2395 			else
2396 				smu_power_profile_mode_get(smu, type);
2397 			return ret;
2398 		}
2399 	}
2400 
2401 	return 0;
2402 }
2403 
smu_get_performance_level(void * handle)2404 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2405 {
2406 	struct smu_context *smu = handle;
2407 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2408 
2409 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2410 		return -EOPNOTSUPP;
2411 
2412 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2413 		return -EINVAL;
2414 
2415 	return smu_dpm_ctx->dpm_level;
2416 }
2417 
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)2418 static int smu_force_performance_level(void *handle,
2419 				       enum amd_dpm_forced_level level)
2420 {
2421 	struct smu_context *smu = handle;
2422 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2423 	int ret = 0;
2424 
2425 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2426 		return -EOPNOTSUPP;
2427 
2428 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2429 		return -EINVAL;
2430 
2431 	ret = smu_enable_umd_pstate(smu, &level);
2432 	if (ret)
2433 		return ret;
2434 
2435 	ret = smu_handle_task(smu, level,
2436 			      AMD_PP_TASK_READJUST_POWER_STATE);
2437 
2438 	/* reset user dpm clock state */
2439 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2440 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2441 		smu->user_dpm_profile.clk_dependency = 0;
2442 	}
2443 
2444 	return ret;
2445 }
2446 
smu_set_display_count(void * handle,uint32_t count)2447 static int smu_set_display_count(void *handle, uint32_t count)
2448 {
2449 	struct smu_context *smu = handle;
2450 
2451 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2452 		return -EOPNOTSUPP;
2453 
2454 	return smu_init_display_count(smu, count);
2455 }
2456 
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2457 static int smu_force_smuclk_levels(struct smu_context *smu,
2458 			 enum smu_clk_type clk_type,
2459 			 uint32_t mask)
2460 {
2461 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2462 	int ret = 0;
2463 
2464 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2465 		return -EOPNOTSUPP;
2466 
2467 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2468 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2469 		return -EINVAL;
2470 	}
2471 
2472 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2473 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2474 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2475 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
2476 			smu_set_user_clk_dependencies(smu, clk_type);
2477 		}
2478 	}
2479 
2480 	return ret;
2481 }
2482 
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2483 static int smu_force_ppclk_levels(void *handle,
2484 				  enum pp_clock_type type,
2485 				  uint32_t mask)
2486 {
2487 	struct smu_context *smu = handle;
2488 	enum smu_clk_type clk_type;
2489 
2490 	switch (type) {
2491 	case PP_SCLK:
2492 		clk_type = SMU_SCLK; break;
2493 	case PP_MCLK:
2494 		clk_type = SMU_MCLK; break;
2495 	case PP_PCIE:
2496 		clk_type = SMU_PCIE; break;
2497 	case PP_SOCCLK:
2498 		clk_type = SMU_SOCCLK; break;
2499 	case PP_FCLK:
2500 		clk_type = SMU_FCLK; break;
2501 	case PP_DCEFCLK:
2502 		clk_type = SMU_DCEFCLK; break;
2503 	case PP_VCLK:
2504 		clk_type = SMU_VCLK; break;
2505 	case PP_VCLK1:
2506 		clk_type = SMU_VCLK1; break;
2507 	case PP_DCLK:
2508 		clk_type = SMU_DCLK; break;
2509 	case PP_DCLK1:
2510 		clk_type = SMU_DCLK1; break;
2511 	case OD_SCLK:
2512 		clk_type = SMU_OD_SCLK; break;
2513 	case OD_MCLK:
2514 		clk_type = SMU_OD_MCLK; break;
2515 	case OD_VDDC_CURVE:
2516 		clk_type = SMU_OD_VDDC_CURVE; break;
2517 	case OD_RANGE:
2518 		clk_type = SMU_OD_RANGE; break;
2519 	default:
2520 		return -EINVAL;
2521 	}
2522 
2523 	return smu_force_smuclk_levels(smu, clk_type, mask);
2524 }
2525 
2526 /*
2527  * On system suspending or resetting, the dpm_enabled
2528  * flag will be cleared. So that those SMU services which
2529  * are not supported will be gated.
2530  * However, the mp1 state setting should still be granted
2531  * even if the dpm_enabled cleared.
2532  */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2533 static int smu_set_mp1_state(void *handle,
2534 			     enum pp_mp1_state mp1_state)
2535 {
2536 	struct smu_context *smu = handle;
2537 	int ret = 0;
2538 
2539 	if (!smu->pm_enabled)
2540 		return -EOPNOTSUPP;
2541 
2542 	if (smu->ppt_funcs &&
2543 	    smu->ppt_funcs->set_mp1_state)
2544 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2545 
2546 	return ret;
2547 }
2548 
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2549 static int smu_set_df_cstate(void *handle,
2550 			     enum pp_df_cstate state)
2551 {
2552 	struct smu_context *smu = handle;
2553 	int ret = 0;
2554 
2555 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2556 		return -EOPNOTSUPP;
2557 
2558 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2559 		return 0;
2560 
2561 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2562 	if (ret)
2563 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2564 
2565 	return ret;
2566 }
2567 
smu_write_watermarks_table(struct smu_context * smu)2568 int smu_write_watermarks_table(struct smu_context *smu)
2569 {
2570 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2571 		return -EOPNOTSUPP;
2572 
2573 	return smu_set_watermarks_table(smu, NULL);
2574 }
2575 
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2576 static int smu_set_watermarks_for_clock_ranges(void *handle,
2577 					       struct pp_smu_wm_range_sets *clock_ranges)
2578 {
2579 	struct smu_context *smu = handle;
2580 
2581 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2582 		return -EOPNOTSUPP;
2583 
2584 	if (smu->disable_watermark)
2585 		return 0;
2586 
2587 	return smu_set_watermarks_table(smu, clock_ranges);
2588 }
2589 
smu_set_ac_dc(struct smu_context * smu)2590 int smu_set_ac_dc(struct smu_context *smu)
2591 {
2592 	int ret = 0;
2593 
2594 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2595 		return -EOPNOTSUPP;
2596 
2597 	/* controlled by firmware */
2598 	if (smu->dc_controlled_by_gpio)
2599 		return 0;
2600 
2601 	ret = smu_set_power_source(smu,
2602 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2603 				   SMU_POWER_SOURCE_DC);
2604 	if (ret)
2605 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2606 		       smu->adev->pm.ac_power ? "AC" : "DC");
2607 
2608 	return ret;
2609 }
2610 
2611 const struct amd_ip_funcs smu_ip_funcs = {
2612 	.name = "smu",
2613 	.early_init = smu_early_init,
2614 	.late_init = smu_late_init,
2615 	.sw_init = smu_sw_init,
2616 	.sw_fini = smu_sw_fini,
2617 	.hw_init = smu_hw_init,
2618 	.hw_fini = smu_hw_fini,
2619 	.late_fini = smu_late_fini,
2620 	.suspend = smu_suspend,
2621 	.resume = smu_resume,
2622 	.is_idle = NULL,
2623 	.check_soft_reset = NULL,
2624 	.wait_for_idle = NULL,
2625 	.soft_reset = NULL,
2626 	.set_clockgating_state = smu_set_clockgating_state,
2627 	.set_powergating_state = smu_set_powergating_state,
2628 };
2629 
2630 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2631 	.type = AMD_IP_BLOCK_TYPE_SMC,
2632 	.major = 11,
2633 	.minor = 0,
2634 	.rev = 0,
2635 	.funcs = &smu_ip_funcs,
2636 };
2637 
2638 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2639 	.type = AMD_IP_BLOCK_TYPE_SMC,
2640 	.major = 12,
2641 	.minor = 0,
2642 	.rev = 0,
2643 	.funcs = &smu_ip_funcs,
2644 };
2645 
2646 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2647 	.type = AMD_IP_BLOCK_TYPE_SMC,
2648 	.major = 13,
2649 	.minor = 0,
2650 	.rev = 0,
2651 	.funcs = &smu_ip_funcs,
2652 };
2653 
2654 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2655 	.type = AMD_IP_BLOCK_TYPE_SMC,
2656 	.major = 14,
2657 	.minor = 0,
2658 	.rev = 0,
2659 	.funcs = &smu_ip_funcs,
2660 };
2661 
smu_load_microcode(void * handle)2662 static int smu_load_microcode(void *handle)
2663 {
2664 	struct smu_context *smu = handle;
2665 	struct amdgpu_device *adev = smu->adev;
2666 	int ret = 0;
2667 
2668 	if (!smu->pm_enabled)
2669 		return -EOPNOTSUPP;
2670 
2671 	/* This should be used for non PSP loading */
2672 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2673 		return 0;
2674 
2675 	if (smu->ppt_funcs->load_microcode) {
2676 		ret = smu->ppt_funcs->load_microcode(smu);
2677 		if (ret) {
2678 			dev_err(adev->dev, "Load microcode failed\n");
2679 			return ret;
2680 		}
2681 	}
2682 
2683 	if (smu->ppt_funcs->check_fw_status) {
2684 		ret = smu->ppt_funcs->check_fw_status(smu);
2685 		if (ret) {
2686 			dev_err(adev->dev, "SMC is not ready\n");
2687 			return ret;
2688 		}
2689 	}
2690 
2691 	return ret;
2692 }
2693 
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2694 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2695 {
2696 	int ret = 0;
2697 
2698 	if (smu->ppt_funcs->set_gfx_cgpg)
2699 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2700 
2701 	return ret;
2702 }
2703 
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2704 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2705 {
2706 	struct smu_context *smu = handle;
2707 	int ret = 0;
2708 
2709 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2710 		return -EOPNOTSUPP;
2711 
2712 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2713 		return -EOPNOTSUPP;
2714 
2715 	if (speed == U32_MAX)
2716 		return -EINVAL;
2717 
2718 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2719 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2720 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2721 		smu->user_dpm_profile.fan_speed_rpm = speed;
2722 
2723 		/* Override custom PWM setting as they cannot co-exist */
2724 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2725 		smu->user_dpm_profile.fan_speed_pwm = 0;
2726 	}
2727 
2728 	return ret;
2729 }
2730 
2731 /**
2732  * smu_get_power_limit - Request one of the SMU Power Limits
2733  *
2734  * @handle: pointer to smu context
2735  * @limit: requested limit is written back to this variable
2736  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2737  * @pp_power_type: &pp_power_type type of power
2738  * Return:  0 on success, <0 on error
2739  *
2740  */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2741 int smu_get_power_limit(void *handle,
2742 			uint32_t *limit,
2743 			enum pp_power_limit_level pp_limit_level,
2744 			enum pp_power_type pp_power_type)
2745 {
2746 	struct smu_context *smu = handle;
2747 	struct amdgpu_device *adev = smu->adev;
2748 	enum smu_ppt_limit_level limit_level;
2749 	uint32_t limit_type;
2750 	int ret = 0;
2751 
2752 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2753 		return -EOPNOTSUPP;
2754 
2755 	switch (pp_power_type) {
2756 	case PP_PWR_TYPE_SUSTAINED:
2757 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2758 		break;
2759 	case PP_PWR_TYPE_FAST:
2760 		limit_type = SMU_FAST_PPT_LIMIT;
2761 		break;
2762 	default:
2763 		return -EOPNOTSUPP;
2764 	}
2765 
2766 	switch (pp_limit_level) {
2767 	case PP_PWR_LIMIT_CURRENT:
2768 		limit_level = SMU_PPT_LIMIT_CURRENT;
2769 		break;
2770 	case PP_PWR_LIMIT_DEFAULT:
2771 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2772 		break;
2773 	case PP_PWR_LIMIT_MAX:
2774 		limit_level = SMU_PPT_LIMIT_MAX;
2775 		break;
2776 	case PP_PWR_LIMIT_MIN:
2777 		limit_level = SMU_PPT_LIMIT_MIN;
2778 		break;
2779 	default:
2780 		return -EOPNOTSUPP;
2781 	}
2782 
2783 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2784 		if (smu->ppt_funcs->get_ppt_limit)
2785 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2786 	} else {
2787 		switch (limit_level) {
2788 		case SMU_PPT_LIMIT_CURRENT:
2789 			switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2790 			case IP_VERSION(13, 0, 2):
2791 			case IP_VERSION(13, 0, 6):
2792 			case IP_VERSION(13, 0, 14):
2793 			case IP_VERSION(11, 0, 7):
2794 			case IP_VERSION(11, 0, 11):
2795 			case IP_VERSION(11, 0, 12):
2796 			case IP_VERSION(11, 0, 13):
2797 				ret = smu_get_asic_power_limits(smu,
2798 								&smu->current_power_limit,
2799 								NULL, NULL, NULL);
2800 				break;
2801 			default:
2802 				break;
2803 			}
2804 			*limit = smu->current_power_limit;
2805 			break;
2806 		case SMU_PPT_LIMIT_DEFAULT:
2807 			*limit = smu->default_power_limit;
2808 			break;
2809 		case SMU_PPT_LIMIT_MAX:
2810 			*limit = smu->max_power_limit;
2811 			break;
2812 		case SMU_PPT_LIMIT_MIN:
2813 			*limit = smu->min_power_limit;
2814 			break;
2815 		default:
2816 			return -EINVAL;
2817 		}
2818 	}
2819 
2820 	return ret;
2821 }
2822 
smu_set_power_limit(void * handle,uint32_t limit)2823 static int smu_set_power_limit(void *handle, uint32_t limit)
2824 {
2825 	struct smu_context *smu = handle;
2826 	uint32_t limit_type = limit >> 24;
2827 	int ret = 0;
2828 
2829 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2830 		return -EOPNOTSUPP;
2831 
2832 	limit &= (1<<24)-1;
2833 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2834 		if (smu->ppt_funcs->set_power_limit)
2835 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2836 
2837 	if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2838 		dev_err(smu->adev->dev,
2839 			"New power limit (%d) is out of range [%d,%d]\n",
2840 			limit, smu->min_power_limit, smu->max_power_limit);
2841 		return -EINVAL;
2842 	}
2843 
2844 	if (!limit)
2845 		limit = smu->current_power_limit;
2846 
2847 	if (smu->ppt_funcs->set_power_limit) {
2848 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2849 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2850 			smu->user_dpm_profile.power_limit = limit;
2851 	}
2852 
2853 	return ret;
2854 }
2855 
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2856 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2857 {
2858 	int ret = 0;
2859 
2860 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2861 		return -EOPNOTSUPP;
2862 
2863 	if (smu->ppt_funcs->print_clk_levels)
2864 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2865 
2866 	return ret;
2867 }
2868 
smu_convert_to_smuclk(enum pp_clock_type type)2869 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2870 {
2871 	enum smu_clk_type clk_type;
2872 
2873 	switch (type) {
2874 	case PP_SCLK:
2875 		clk_type = SMU_SCLK; break;
2876 	case PP_MCLK:
2877 		clk_type = SMU_MCLK; break;
2878 	case PP_PCIE:
2879 		clk_type = SMU_PCIE; break;
2880 	case PP_SOCCLK:
2881 		clk_type = SMU_SOCCLK; break;
2882 	case PP_FCLK:
2883 		clk_type = SMU_FCLK; break;
2884 	case PP_DCEFCLK:
2885 		clk_type = SMU_DCEFCLK; break;
2886 	case PP_VCLK:
2887 		clk_type = SMU_VCLK; break;
2888 	case PP_VCLK1:
2889 		clk_type = SMU_VCLK1; break;
2890 	case PP_DCLK:
2891 		clk_type = SMU_DCLK; break;
2892 	case PP_DCLK1:
2893 		clk_type = SMU_DCLK1; break;
2894 	case OD_SCLK:
2895 		clk_type = SMU_OD_SCLK; break;
2896 	case OD_MCLK:
2897 		clk_type = SMU_OD_MCLK; break;
2898 	case OD_VDDC_CURVE:
2899 		clk_type = SMU_OD_VDDC_CURVE; break;
2900 	case OD_RANGE:
2901 		clk_type = SMU_OD_RANGE; break;
2902 	case OD_VDDGFX_OFFSET:
2903 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
2904 	case OD_CCLK:
2905 		clk_type = SMU_OD_CCLK; break;
2906 	case OD_FAN_CURVE:
2907 		clk_type = SMU_OD_FAN_CURVE; break;
2908 	case OD_ACOUSTIC_LIMIT:
2909 		clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
2910 	case OD_ACOUSTIC_TARGET:
2911 		clk_type = SMU_OD_ACOUSTIC_TARGET; break;
2912 	case OD_FAN_TARGET_TEMPERATURE:
2913 		clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
2914 	case OD_FAN_MINIMUM_PWM:
2915 		clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
2916 	default:
2917 		clk_type = SMU_CLK_COUNT; break;
2918 	}
2919 
2920 	return clk_type;
2921 }
2922 
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2923 static int smu_print_ppclk_levels(void *handle,
2924 				  enum pp_clock_type type,
2925 				  char *buf)
2926 {
2927 	struct smu_context *smu = handle;
2928 	enum smu_clk_type clk_type;
2929 
2930 	clk_type = smu_convert_to_smuclk(type);
2931 	if (clk_type == SMU_CLK_COUNT)
2932 		return -EINVAL;
2933 
2934 	return smu_print_smuclk_levels(smu, clk_type, buf);
2935 }
2936 
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2937 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2938 {
2939 	struct smu_context *smu = handle;
2940 	enum smu_clk_type clk_type;
2941 
2942 	clk_type = smu_convert_to_smuclk(type);
2943 	if (clk_type == SMU_CLK_COUNT)
2944 		return -EINVAL;
2945 
2946 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2947 		return -EOPNOTSUPP;
2948 
2949 	if (!smu->ppt_funcs->emit_clk_levels)
2950 		return -ENOENT;
2951 
2952 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2953 
2954 }
2955 
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2956 static int smu_od_edit_dpm_table(void *handle,
2957 				 enum PP_OD_DPM_TABLE_COMMAND type,
2958 				 long *input, uint32_t size)
2959 {
2960 	struct smu_context *smu = handle;
2961 	int ret = 0;
2962 
2963 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2964 		return -EOPNOTSUPP;
2965 
2966 	if (smu->ppt_funcs->od_edit_dpm_table) {
2967 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2968 	}
2969 
2970 	return ret;
2971 }
2972 
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2973 static int smu_read_sensor(void *handle,
2974 			   int sensor,
2975 			   void *data,
2976 			   int *size_arg)
2977 {
2978 	struct smu_context *smu = handle;
2979 	struct smu_umd_pstate_table *pstate_table =
2980 				&smu->pstate_table;
2981 	int ret = 0;
2982 	uint32_t *size, size_val;
2983 
2984 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2985 		return -EOPNOTSUPP;
2986 
2987 	if (!data || !size_arg)
2988 		return -EINVAL;
2989 
2990 	size_val = *size_arg;
2991 	size = &size_val;
2992 
2993 	if (smu->ppt_funcs->read_sensor)
2994 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2995 			goto unlock;
2996 
2997 	switch (sensor) {
2998 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2999 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
3000 		*size = 4;
3001 		break;
3002 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
3003 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
3004 		*size = 4;
3005 		break;
3006 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
3007 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
3008 		*size = 4;
3009 		break;
3010 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
3011 		*((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
3012 		*size = 4;
3013 		break;
3014 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
3015 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
3016 		*size = 8;
3017 		break;
3018 	case AMDGPU_PP_SENSOR_UVD_POWER:
3019 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
3020 		*size = 4;
3021 		break;
3022 	case AMDGPU_PP_SENSOR_VCE_POWER:
3023 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
3024 		*size = 4;
3025 		break;
3026 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
3027 		*(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
3028 		*size = 4;
3029 		break;
3030 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
3031 		*(uint32_t *)data = 0;
3032 		*size = 4;
3033 		break;
3034 	default:
3035 		*size = 0;
3036 		ret = -EOPNOTSUPP;
3037 		break;
3038 	}
3039 
3040 unlock:
3041 	// assign uint32_t to int
3042 	*size_arg = size_val;
3043 
3044 	return ret;
3045 }
3046 
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)3047 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
3048 {
3049 	int ret = -EOPNOTSUPP;
3050 	struct smu_context *smu = handle;
3051 
3052 	if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
3053 		ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
3054 
3055 	return ret;
3056 }
3057 
smu_set_apu_thermal_limit(void * handle,uint32_t limit)3058 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
3059 {
3060 	int ret = -EOPNOTSUPP;
3061 	struct smu_context *smu = handle;
3062 
3063 	if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
3064 		ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
3065 
3066 	return ret;
3067 }
3068 
smu_get_power_profile_mode(void * handle,char * buf)3069 static int smu_get_power_profile_mode(void *handle, char *buf)
3070 {
3071 	struct smu_context *smu = handle;
3072 
3073 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3074 	    !smu->ppt_funcs->get_power_profile_mode)
3075 		return -EOPNOTSUPP;
3076 	if (!buf)
3077 		return -EINVAL;
3078 
3079 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3080 }
3081 
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)3082 static int smu_set_power_profile_mode(void *handle,
3083 				      long *param,
3084 				      uint32_t param_size)
3085 {
3086 	struct smu_context *smu = handle;
3087 	bool custom = false;
3088 	int ret = 0;
3089 
3090 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3091 	    !smu->ppt_funcs->set_power_profile_mode)
3092 		return -EOPNOTSUPP;
3093 
3094 	if (param[param_size] == PP_SMC_POWER_PROFILE_CUSTOM) {
3095 		custom = true;
3096 		/* clear frontend mask so custom changes propogate */
3097 		smu->workload_mask = 0;
3098 	}
3099 
3100 	if ((param[param_size] != smu->power_profile_mode) || custom) {
3101 		/* clear the old user preference */
3102 		smu_power_profile_mode_put(smu, smu->power_profile_mode);
3103 		/* set the new user preference */
3104 		smu_power_profile_mode_get(smu, param[param_size]);
3105 		ret = smu_bump_power_profile_mode(smu,
3106 						  custom ? param : NULL,
3107 						  custom ? param_size : 0);
3108 		if (ret)
3109 			smu_power_profile_mode_put(smu, param[param_size]);
3110 		else
3111 			/* store the user's preference */
3112 			smu->power_profile_mode = param[param_size];
3113 	}
3114 
3115 	return ret;
3116 }
3117 
smu_get_fan_control_mode(void * handle,u32 * fan_mode)3118 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3119 {
3120 	struct smu_context *smu = handle;
3121 
3122 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3123 		return -EOPNOTSUPP;
3124 
3125 	if (!smu->ppt_funcs->get_fan_control_mode)
3126 		return -EOPNOTSUPP;
3127 
3128 	if (!fan_mode)
3129 		return -EINVAL;
3130 
3131 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3132 
3133 	return 0;
3134 }
3135 
smu_set_fan_control_mode(void * handle,u32 value)3136 static int smu_set_fan_control_mode(void *handle, u32 value)
3137 {
3138 	struct smu_context *smu = handle;
3139 	int ret = 0;
3140 
3141 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3142 		return -EOPNOTSUPP;
3143 
3144 	if (!smu->ppt_funcs->set_fan_control_mode)
3145 		return -EOPNOTSUPP;
3146 
3147 	if (value == U32_MAX)
3148 		return -EINVAL;
3149 
3150 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3151 	if (ret)
3152 		goto out;
3153 
3154 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3155 		smu->user_dpm_profile.fan_mode = value;
3156 
3157 		/* reset user dpm fan speed */
3158 		if (value != AMD_FAN_CTRL_MANUAL) {
3159 			smu->user_dpm_profile.fan_speed_pwm = 0;
3160 			smu->user_dpm_profile.fan_speed_rpm = 0;
3161 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3162 		}
3163 	}
3164 
3165 out:
3166 	return ret;
3167 }
3168 
smu_get_fan_speed_pwm(void * handle,u32 * speed)3169 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3170 {
3171 	struct smu_context *smu = handle;
3172 	int ret = 0;
3173 
3174 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3175 		return -EOPNOTSUPP;
3176 
3177 	if (!smu->ppt_funcs->get_fan_speed_pwm)
3178 		return -EOPNOTSUPP;
3179 
3180 	if (!speed)
3181 		return -EINVAL;
3182 
3183 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3184 
3185 	return ret;
3186 }
3187 
smu_set_fan_speed_pwm(void * handle,u32 speed)3188 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3189 {
3190 	struct smu_context *smu = handle;
3191 	int ret = 0;
3192 
3193 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3194 		return -EOPNOTSUPP;
3195 
3196 	if (!smu->ppt_funcs->set_fan_speed_pwm)
3197 		return -EOPNOTSUPP;
3198 
3199 	if (speed == U32_MAX)
3200 		return -EINVAL;
3201 
3202 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3203 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3204 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3205 		smu->user_dpm_profile.fan_speed_pwm = speed;
3206 
3207 		/* Override custom RPM setting as they cannot co-exist */
3208 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3209 		smu->user_dpm_profile.fan_speed_rpm = 0;
3210 	}
3211 
3212 	return ret;
3213 }
3214 
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)3215 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3216 {
3217 	struct smu_context *smu = handle;
3218 	int ret = 0;
3219 
3220 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3221 		return -EOPNOTSUPP;
3222 
3223 	if (!smu->ppt_funcs->get_fan_speed_rpm)
3224 		return -EOPNOTSUPP;
3225 
3226 	if (!speed)
3227 		return -EINVAL;
3228 
3229 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3230 
3231 	return ret;
3232 }
3233 
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)3234 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3235 {
3236 	struct smu_context *smu = handle;
3237 
3238 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3239 		return -EOPNOTSUPP;
3240 
3241 	return smu_set_min_dcef_deep_sleep(smu, clk);
3242 }
3243 
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)3244 static int smu_get_clock_by_type_with_latency(void *handle,
3245 					      enum amd_pp_clock_type type,
3246 					      struct pp_clock_levels_with_latency *clocks)
3247 {
3248 	struct smu_context *smu = handle;
3249 	enum smu_clk_type clk_type;
3250 	int ret = 0;
3251 
3252 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3253 		return -EOPNOTSUPP;
3254 
3255 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3256 		switch (type) {
3257 		case amd_pp_sys_clock:
3258 			clk_type = SMU_GFXCLK;
3259 			break;
3260 		case amd_pp_mem_clock:
3261 			clk_type = SMU_MCLK;
3262 			break;
3263 		case amd_pp_dcef_clock:
3264 			clk_type = SMU_DCEFCLK;
3265 			break;
3266 		case amd_pp_disp_clock:
3267 			clk_type = SMU_DISPCLK;
3268 			break;
3269 		default:
3270 			dev_err(smu->adev->dev, "Invalid clock type!\n");
3271 			return -EINVAL;
3272 		}
3273 
3274 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3275 	}
3276 
3277 	return ret;
3278 }
3279 
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)3280 static int smu_display_clock_voltage_request(void *handle,
3281 					     struct pp_display_clock_request *clock_req)
3282 {
3283 	struct smu_context *smu = handle;
3284 	int ret = 0;
3285 
3286 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3287 		return -EOPNOTSUPP;
3288 
3289 	if (smu->ppt_funcs->display_clock_voltage_request)
3290 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3291 
3292 	return ret;
3293 }
3294 
3295 
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)3296 static int smu_display_disable_memory_clock_switch(void *handle,
3297 						   bool disable_memory_clock_switch)
3298 {
3299 	struct smu_context *smu = handle;
3300 	int ret = -EINVAL;
3301 
3302 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3303 		return -EOPNOTSUPP;
3304 
3305 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
3306 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3307 
3308 	return ret;
3309 }
3310 
smu_set_xgmi_pstate(void * handle,uint32_t pstate)3311 static int smu_set_xgmi_pstate(void *handle,
3312 			       uint32_t pstate)
3313 {
3314 	struct smu_context *smu = handle;
3315 	int ret = 0;
3316 
3317 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3318 		return -EOPNOTSUPP;
3319 
3320 	if (smu->ppt_funcs->set_xgmi_pstate)
3321 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3322 
3323 	if (ret)
3324 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3325 
3326 	return ret;
3327 }
3328 
smu_get_baco_capability(void * handle)3329 static int smu_get_baco_capability(void *handle)
3330 {
3331 	struct smu_context *smu = handle;
3332 
3333 	if (!smu->pm_enabled)
3334 		return false;
3335 
3336 	if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3337 		return false;
3338 
3339 	return smu->ppt_funcs->get_bamaco_support(smu);
3340 }
3341 
smu_baco_set_state(void * handle,int state)3342 static int smu_baco_set_state(void *handle, int state)
3343 {
3344 	struct smu_context *smu = handle;
3345 	int ret = 0;
3346 
3347 	if (!smu->pm_enabled)
3348 		return -EOPNOTSUPP;
3349 
3350 	if (state == 0) {
3351 		if (smu->ppt_funcs->baco_exit)
3352 			ret = smu->ppt_funcs->baco_exit(smu);
3353 	} else if (state == 1) {
3354 		if (smu->ppt_funcs->baco_enter)
3355 			ret = smu->ppt_funcs->baco_enter(smu);
3356 	} else {
3357 		return -EINVAL;
3358 	}
3359 
3360 	if (ret)
3361 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3362 				(state)?"enter":"exit");
3363 
3364 	return ret;
3365 }
3366 
smu_mode1_reset_is_support(struct smu_context * smu)3367 bool smu_mode1_reset_is_support(struct smu_context *smu)
3368 {
3369 	bool ret = false;
3370 
3371 	if (!smu->pm_enabled)
3372 		return false;
3373 
3374 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3375 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3376 
3377 	return ret;
3378 }
3379 
smu_mode2_reset_is_support(struct smu_context * smu)3380 bool smu_mode2_reset_is_support(struct smu_context *smu)
3381 {
3382 	bool ret = false;
3383 
3384 	if (!smu->pm_enabled)
3385 		return false;
3386 
3387 	if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
3388 		ret = smu->ppt_funcs->mode2_reset_is_support(smu);
3389 
3390 	return ret;
3391 }
3392 
smu_mode1_reset(struct smu_context * smu)3393 int smu_mode1_reset(struct smu_context *smu)
3394 {
3395 	int ret = 0;
3396 
3397 	if (!smu->pm_enabled)
3398 		return -EOPNOTSUPP;
3399 
3400 	if (smu->ppt_funcs->mode1_reset)
3401 		ret = smu->ppt_funcs->mode1_reset(smu);
3402 
3403 	return ret;
3404 }
3405 
smu_mode2_reset(void * handle)3406 static int smu_mode2_reset(void *handle)
3407 {
3408 	struct smu_context *smu = handle;
3409 	int ret = 0;
3410 
3411 	if (!smu->pm_enabled)
3412 		return -EOPNOTSUPP;
3413 
3414 	if (smu->ppt_funcs->mode2_reset)
3415 		ret = smu->ppt_funcs->mode2_reset(smu);
3416 
3417 	if (ret)
3418 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3419 
3420 	return ret;
3421 }
3422 
smu_enable_gfx_features(void * handle)3423 static int smu_enable_gfx_features(void *handle)
3424 {
3425 	struct smu_context *smu = handle;
3426 	int ret = 0;
3427 
3428 	if (!smu->pm_enabled)
3429 		return -EOPNOTSUPP;
3430 
3431 	if (smu->ppt_funcs->enable_gfx_features)
3432 		ret = smu->ppt_funcs->enable_gfx_features(smu);
3433 
3434 	if (ret)
3435 		dev_err(smu->adev->dev, "enable gfx features failed!\n");
3436 
3437 	return ret;
3438 }
3439 
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)3440 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3441 						struct pp_smu_nv_clock_table *max_clocks)
3442 {
3443 	struct smu_context *smu = handle;
3444 	int ret = 0;
3445 
3446 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3447 		return -EOPNOTSUPP;
3448 
3449 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3450 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3451 
3452 	return ret;
3453 }
3454 
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)3455 static int smu_get_uclk_dpm_states(void *handle,
3456 				   unsigned int *clock_values_in_khz,
3457 				   unsigned int *num_states)
3458 {
3459 	struct smu_context *smu = handle;
3460 	int ret = 0;
3461 
3462 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3463 		return -EOPNOTSUPP;
3464 
3465 	if (smu->ppt_funcs->get_uclk_dpm_states)
3466 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3467 
3468 	return ret;
3469 }
3470 
smu_get_current_power_state(void * handle)3471 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3472 {
3473 	struct smu_context *smu = handle;
3474 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3475 
3476 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3477 		return -EOPNOTSUPP;
3478 
3479 	if (smu->ppt_funcs->get_current_power_state)
3480 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
3481 
3482 	return pm_state;
3483 }
3484 
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3485 static int smu_get_dpm_clock_table(void *handle,
3486 				   struct dpm_clocks *clock_table)
3487 {
3488 	struct smu_context *smu = handle;
3489 	int ret = 0;
3490 
3491 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3492 		return -EOPNOTSUPP;
3493 
3494 	if (smu->ppt_funcs->get_dpm_clock_table)
3495 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3496 
3497 	return ret;
3498 }
3499 
smu_sys_get_gpu_metrics(void * handle,void ** table)3500 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3501 {
3502 	struct smu_context *smu = handle;
3503 
3504 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3505 		return -EOPNOTSUPP;
3506 
3507 	if (!smu->ppt_funcs->get_gpu_metrics)
3508 		return -EOPNOTSUPP;
3509 
3510 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
3511 }
3512 
smu_sys_get_pm_metrics(void * handle,void * pm_metrics,size_t size)3513 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3514 				      size_t size)
3515 {
3516 	struct smu_context *smu = handle;
3517 
3518 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3519 		return -EOPNOTSUPP;
3520 
3521 	if (!smu->ppt_funcs->get_pm_metrics)
3522 		return -EOPNOTSUPP;
3523 
3524 	return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3525 }
3526 
smu_enable_mgpu_fan_boost(void * handle)3527 static int smu_enable_mgpu_fan_boost(void *handle)
3528 {
3529 	struct smu_context *smu = handle;
3530 	int ret = 0;
3531 
3532 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3533 		return -EOPNOTSUPP;
3534 
3535 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
3536 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3537 
3538 	return ret;
3539 }
3540 
smu_gfx_state_change_set(void * handle,uint32_t state)3541 static int smu_gfx_state_change_set(void *handle,
3542 				    uint32_t state)
3543 {
3544 	struct smu_context *smu = handle;
3545 	int ret = 0;
3546 
3547 	if (smu->ppt_funcs->gfx_state_change_set)
3548 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3549 
3550 	return ret;
3551 }
3552 
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3553 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3554 {
3555 	int ret = 0;
3556 
3557 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3558 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3559 
3560 	return ret;
3561 }
3562 
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3563 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3564 {
3565 	int ret = -EOPNOTSUPP;
3566 
3567 	if (smu->ppt_funcs &&
3568 		smu->ppt_funcs->get_ecc_info)
3569 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3570 
3571 	return ret;
3572 
3573 }
3574 
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3575 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3576 {
3577 	struct smu_context *smu = handle;
3578 	struct smu_table_context *smu_table = &smu->smu_table;
3579 	struct smu_table *memory_pool = &smu_table->memory_pool;
3580 
3581 	if (!addr || !size)
3582 		return -EINVAL;
3583 
3584 	*addr = NULL;
3585 	*size = 0;
3586 	if (memory_pool->bo) {
3587 		*addr = memory_pool->cpu_addr;
3588 		*size = memory_pool->size;
3589 	}
3590 
3591 	return 0;
3592 }
3593 
smu_print_dpm_policy(struct smu_dpm_policy * policy,char * sysbuf,size_t * size)3594 static void smu_print_dpm_policy(struct smu_dpm_policy *policy, char *sysbuf,
3595 				 size_t *size)
3596 {
3597 	size_t offset = *size;
3598 	int level;
3599 
3600 	for_each_set_bit(level, &policy->level_mask, PP_POLICY_MAX_LEVELS) {
3601 		if (level == policy->current_level)
3602 			offset += sysfs_emit_at(sysbuf, offset,
3603 				"%d : %s*\n", level,
3604 				policy->desc->get_desc(policy, level));
3605 		else
3606 			offset += sysfs_emit_at(sysbuf, offset,
3607 				"%d : %s\n", level,
3608 				policy->desc->get_desc(policy, level));
3609 	}
3610 
3611 	*size = offset;
3612 }
3613 
smu_get_pm_policy_info(struct smu_context * smu,enum pp_pm_policy p_type,char * sysbuf)3614 ssize_t smu_get_pm_policy_info(struct smu_context *smu,
3615 			       enum pp_pm_policy p_type, char *sysbuf)
3616 {
3617 	struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3618 	struct smu_dpm_policy_ctxt *policy_ctxt;
3619 	struct smu_dpm_policy *dpm_policy;
3620 	size_t offset = 0;
3621 
3622 	policy_ctxt = dpm_ctxt->dpm_policies;
3623 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3624 	    !policy_ctxt->policy_mask)
3625 		return -EOPNOTSUPP;
3626 
3627 	if (p_type == PP_PM_POLICY_NONE)
3628 		return -EINVAL;
3629 
3630 	dpm_policy = smu_get_pm_policy(smu, p_type);
3631 	if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->desc)
3632 		return -ENOENT;
3633 
3634 	if (!sysbuf)
3635 		return -EINVAL;
3636 
3637 	smu_print_dpm_policy(dpm_policy, sysbuf, &offset);
3638 
3639 	return offset;
3640 }
3641 
smu_get_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type)3642 struct smu_dpm_policy *smu_get_pm_policy(struct smu_context *smu,
3643 					 enum pp_pm_policy p_type)
3644 {
3645 	struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3646 	struct smu_dpm_policy_ctxt *policy_ctxt;
3647 	int i;
3648 
3649 	policy_ctxt = dpm_ctxt->dpm_policies;
3650 	if (!policy_ctxt)
3651 		return NULL;
3652 
3653 	for (i = 0; i < hweight32(policy_ctxt->policy_mask); ++i) {
3654 		if (policy_ctxt->policies[i].policy_type == p_type)
3655 			return &policy_ctxt->policies[i];
3656 	}
3657 
3658 	return NULL;
3659 }
3660 
smu_set_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type,int level)3661 int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type,
3662 		      int level)
3663 {
3664 	struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3665 	struct smu_dpm_policy *dpm_policy = NULL;
3666 	struct smu_dpm_policy_ctxt *policy_ctxt;
3667 	int ret = -EOPNOTSUPP;
3668 
3669 	policy_ctxt = dpm_ctxt->dpm_policies;
3670 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3671 	    !policy_ctxt->policy_mask)
3672 		return ret;
3673 
3674 	if (level < 0 || level >= PP_POLICY_MAX_LEVELS)
3675 		return -EINVAL;
3676 
3677 	dpm_policy = smu_get_pm_policy(smu, p_type);
3678 
3679 	if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->set_policy)
3680 		return ret;
3681 
3682 	if (dpm_policy->current_level == level)
3683 		return 0;
3684 
3685 	ret = dpm_policy->set_policy(smu, level);
3686 
3687 	if (!ret)
3688 		dpm_policy->current_level = level;
3689 
3690 	return ret;
3691 }
3692 
3693 static const struct amd_pm_funcs swsmu_pm_funcs = {
3694 	/* export for sysfs */
3695 	.set_fan_control_mode    = smu_set_fan_control_mode,
3696 	.get_fan_control_mode    = smu_get_fan_control_mode,
3697 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3698 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3699 	.force_clock_level       = smu_force_ppclk_levels,
3700 	.print_clock_levels      = smu_print_ppclk_levels,
3701 	.emit_clock_levels       = smu_emit_ppclk_levels,
3702 	.force_performance_level = smu_force_performance_level,
3703 	.read_sensor             = smu_read_sensor,
3704 	.get_apu_thermal_limit       = smu_get_apu_thermal_limit,
3705 	.set_apu_thermal_limit       = smu_set_apu_thermal_limit,
3706 	.get_performance_level   = smu_get_performance_level,
3707 	.get_current_power_state = smu_get_current_power_state,
3708 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3709 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3710 	.get_pp_num_states       = smu_get_power_num_states,
3711 	.get_pp_table            = smu_sys_get_pp_table,
3712 	.set_pp_table            = smu_sys_set_pp_table,
3713 	.switch_power_profile    = smu_switch_power_profile,
3714 	/* export to amdgpu */
3715 	.dispatch_tasks          = smu_handle_dpm_task,
3716 	.load_firmware           = smu_load_microcode,
3717 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3718 	.set_power_limit         = smu_set_power_limit,
3719 	.get_power_limit         = smu_get_power_limit,
3720 	.get_power_profile_mode  = smu_get_power_profile_mode,
3721 	.set_power_profile_mode  = smu_set_power_profile_mode,
3722 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3723 	.set_mp1_state           = smu_set_mp1_state,
3724 	.gfx_state_change_set    = smu_gfx_state_change_set,
3725 	/* export to DC */
3726 	.get_sclk                         = smu_get_sclk,
3727 	.get_mclk                         = smu_get_mclk,
3728 	.display_configuration_change     = smu_display_configuration_change,
3729 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3730 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3731 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3732 	.set_active_display_count         = smu_set_display_count,
3733 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3734 	.get_asic_baco_capability         = smu_get_baco_capability,
3735 	.set_asic_baco_state              = smu_baco_set_state,
3736 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3737 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3738 	.asic_reset_mode_2                = smu_mode2_reset,
3739 	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
3740 	.set_df_cstate                    = smu_set_df_cstate,
3741 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3742 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3743 	.get_pm_metrics                   = smu_sys_get_pm_metrics,
3744 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3745 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3746 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3747 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3748 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3749 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3750 };
3751 
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3752 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3753 		       uint64_t event_arg)
3754 {
3755 	int ret = -EINVAL;
3756 
3757 	if (smu->ppt_funcs->wait_for_event)
3758 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3759 
3760 	return ret;
3761 }
3762 
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3763 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3764 {
3765 
3766 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3767 		return -EOPNOTSUPP;
3768 
3769 	/* Confirm the buffer allocated is of correct size */
3770 	if (size != smu->stb_context.stb_buf_size)
3771 		return -EINVAL;
3772 
3773 	/*
3774 	 * No need to lock smu mutex as we access STB directly through MMIO
3775 	 * and not going through SMU messaging route (for now at least).
3776 	 * For registers access rely on implementation internal locking.
3777 	 */
3778 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3779 }
3780 
3781 #if defined(CONFIG_DEBUG_FS)
3782 
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3783 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3784 {
3785 	struct amdgpu_device *adev = filp->f_inode->i_private;
3786 	struct smu_context *smu = adev->powerplay.pp_handle;
3787 	unsigned char *buf;
3788 	int r;
3789 
3790 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3791 	if (!buf)
3792 		return -ENOMEM;
3793 
3794 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3795 	if (r)
3796 		goto out;
3797 
3798 	filp->private_data = buf;
3799 
3800 	return 0;
3801 
3802 out:
3803 	kvfree(buf);
3804 	return r;
3805 }
3806 
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3807 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3808 				loff_t *pos)
3809 {
3810 	struct amdgpu_device *adev = filp->f_inode->i_private;
3811 	struct smu_context *smu = adev->powerplay.pp_handle;
3812 
3813 
3814 	if (!filp->private_data)
3815 		return -EINVAL;
3816 
3817 	return simple_read_from_buffer(buf,
3818 				       size,
3819 				       pos, filp->private_data,
3820 				       smu->stb_context.stb_buf_size);
3821 }
3822 
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3823 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3824 {
3825 	kvfree(filp->private_data);
3826 	filp->private_data = NULL;
3827 
3828 	return 0;
3829 }
3830 
3831 /*
3832  * We have to define not only read method but also
3833  * open and release because .read takes up to PAGE_SIZE
3834  * data each time so and so is invoked multiple times.
3835  *  We allocate the STB buffer in .open and release it
3836  *  in .release
3837  */
3838 static const struct file_operations smu_stb_debugfs_fops = {
3839 	.owner = THIS_MODULE,
3840 	.open = smu_stb_debugfs_open,
3841 	.read = smu_stb_debugfs_read,
3842 	.release = smu_stb_debugfs_release,
3843 	.llseek = default_llseek,
3844 };
3845 
3846 #endif
3847 
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3848 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3849 {
3850 #if defined(CONFIG_DEBUG_FS)
3851 
3852 	struct smu_context *smu = adev->powerplay.pp_handle;
3853 
3854 	if (!smu || (!smu->stb_context.stb_buf_size))
3855 		return;
3856 
3857 	debugfs_create_file_size("amdgpu_smu_stb_dump",
3858 			    S_IRUSR,
3859 			    adev_to_drm(adev)->primary->debugfs_root,
3860 			    adev,
3861 			    &smu_stb_debugfs_fops,
3862 			    smu->stb_context.stb_buf_size);
3863 #endif
3864 }
3865 
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3866 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3867 {
3868 	int ret = 0;
3869 
3870 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3871 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3872 
3873 	return ret;
3874 }
3875 
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3876 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3877 {
3878 	int ret = 0;
3879 
3880 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3881 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3882 
3883 	return ret;
3884 }
3885 
smu_send_rma_reason(struct smu_context * smu)3886 int smu_send_rma_reason(struct smu_context *smu)
3887 {
3888 	int ret = 0;
3889 
3890 	if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
3891 		ret = smu->ppt_funcs->send_rma_reason(smu);
3892 
3893 	return ret;
3894 }
3895