xref: /linux/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c (revision e811c33b1f137be26a20444b79db8cbc1fca1c89)
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 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type);
80 static int smu_od_edit_dpm_table(void *handle,
81 				 enum PP_OD_DPM_TABLE_COMMAND type,
82 				 long *input, uint32_t size);
83 
smu_sys_get_pp_feature_mask(void * handle,char * buf)84 static int smu_sys_get_pp_feature_mask(void *handle,
85 				       char *buf)
86 {
87 	struct smu_context *smu = handle;
88 
89 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
90 		return -EOPNOTSUPP;
91 
92 	return smu_get_pp_feature_mask(smu, buf);
93 }
94 
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)95 static int smu_sys_set_pp_feature_mask(void *handle,
96 				       uint64_t new_mask)
97 {
98 	struct smu_context *smu = handle;
99 
100 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
101 		return -EOPNOTSUPP;
102 
103 	return smu_set_pp_feature_mask(smu, new_mask);
104 }
105 
smu_set_residency_gfxoff(struct smu_context * smu,bool value)106 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
107 {
108 	if (!smu->ppt_funcs->set_gfx_off_residency)
109 		return -EINVAL;
110 
111 	return smu_set_gfx_off_residency(smu, value);
112 }
113 
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)114 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
115 {
116 	if (!smu->ppt_funcs->get_gfx_off_residency)
117 		return -EINVAL;
118 
119 	return smu_get_gfx_off_residency(smu, value);
120 }
121 
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)122 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
123 {
124 	if (!smu->ppt_funcs->get_gfx_off_entrycount)
125 		return -EINVAL;
126 
127 	return smu_get_gfx_off_entrycount(smu, value);
128 }
129 
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)130 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
131 {
132 	if (!smu->ppt_funcs->get_gfx_off_status)
133 		return -EINVAL;
134 
135 	*value = smu_get_gfx_off_status(smu);
136 
137 	return 0;
138 }
139 
smu_set_soft_freq_range(struct smu_context * smu,enum pp_clock_type type,uint32_t min,uint32_t max)140 int smu_set_soft_freq_range(struct smu_context *smu,
141 			    enum pp_clock_type type,
142 			    uint32_t min,
143 			    uint32_t max)
144 {
145 	enum smu_clk_type clk_type;
146 	int ret = 0;
147 
148 	clk_type = smu_convert_to_smuclk(type);
149 	if (clk_type == SMU_CLK_COUNT)
150 		return -EINVAL;
151 
152 	if (smu->ppt_funcs->set_soft_freq_limited_range)
153 		ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
154 								  clk_type,
155 								  min,
156 								  max,
157 								  false);
158 
159 	return ret;
160 }
161 
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)162 int smu_get_dpm_freq_range(struct smu_context *smu,
163 			   enum smu_clk_type clk_type,
164 			   uint32_t *min,
165 			   uint32_t *max)
166 {
167 	int ret = -ENOTSUPP;
168 
169 	if (!min && !max)
170 		return -EINVAL;
171 
172 	if (smu->ppt_funcs->get_dpm_ultimate_freq)
173 		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
174 							    clk_type,
175 							    min,
176 							    max);
177 
178 	return ret;
179 }
180 
smu_set_gfx_power_up_by_imu(struct smu_context * smu)181 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
182 {
183 	int ret = 0;
184 	struct amdgpu_device *adev = smu->adev;
185 
186 	if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
187 		ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
188 		if (ret)
189 			dev_err(adev->dev, "Failed to enable gfx imu!\n");
190 	}
191 	return ret;
192 }
193 
smu_get_mclk(void * handle,bool low)194 static u32 smu_get_mclk(void *handle, bool low)
195 {
196 	struct smu_context *smu = handle;
197 	uint32_t clk_freq;
198 	int ret = 0;
199 
200 	ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
201 				     low ? &clk_freq : NULL,
202 				     !low ? &clk_freq : NULL);
203 	if (ret)
204 		return 0;
205 	return clk_freq * 100;
206 }
207 
smu_get_sclk(void * handle,bool low)208 static u32 smu_get_sclk(void *handle, bool low)
209 {
210 	struct smu_context *smu = handle;
211 	uint32_t clk_freq;
212 	int ret = 0;
213 
214 	ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
215 				     low ? &clk_freq : NULL,
216 				     !low ? &clk_freq : NULL);
217 	if (ret)
218 		return 0;
219 	return clk_freq * 100;
220 }
221 
smu_set_gfx_imu_enable(struct smu_context * smu)222 static int smu_set_gfx_imu_enable(struct smu_context *smu)
223 {
224 	struct amdgpu_device *adev = smu->adev;
225 
226 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
227 		return 0;
228 
229 	if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
230 		return 0;
231 
232 	return smu_set_gfx_power_up_by_imu(smu);
233 }
234 
is_vcn_enabled(struct amdgpu_device * adev)235 static bool is_vcn_enabled(struct amdgpu_device *adev)
236 {
237 	int i;
238 
239 	for (i = 0; i < adev->num_ip_blocks; i++) {
240 		if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCN ||
241 			adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_JPEG) &&
242 			!adev->ip_blocks[i].status.valid)
243 			return false;
244 	}
245 
246 	return true;
247 }
248 
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable,int inst)249 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
250 				   bool enable,
251 				   int inst)
252 {
253 	struct smu_power_context *smu_power = &smu->smu_power;
254 	struct smu_power_gate *power_gate = &smu_power->power_gate;
255 	int ret = 0;
256 
257 	/*
258 	 * don't poweron vcn/jpeg when they are skipped.
259 	 */
260 	if (!is_vcn_enabled(smu->adev))
261 		return 0;
262 
263 	if (!smu->ppt_funcs->dpm_set_vcn_enable)
264 		return 0;
265 
266 	if (atomic_read(&power_gate->vcn_gated[inst]) ^ enable)
267 		return 0;
268 
269 	ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable, inst);
270 	if (!ret)
271 		atomic_set(&power_gate->vcn_gated[inst], !enable);
272 
273 	return ret;
274 }
275 
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)276 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
277 				   bool enable)
278 {
279 	struct smu_power_context *smu_power = &smu->smu_power;
280 	struct smu_power_gate *power_gate = &smu_power->power_gate;
281 	int ret = 0;
282 
283 	if (!is_vcn_enabled(smu->adev))
284 		return 0;
285 
286 	if (!smu->ppt_funcs->dpm_set_jpeg_enable)
287 		return 0;
288 
289 	if (atomic_read(&power_gate->jpeg_gated) ^ enable)
290 		return 0;
291 
292 	ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
293 	if (!ret)
294 		atomic_set(&power_gate->jpeg_gated, !enable);
295 
296 	return ret;
297 }
298 
smu_dpm_set_vpe_enable(struct smu_context * smu,bool enable)299 static int smu_dpm_set_vpe_enable(struct smu_context *smu,
300 				   bool enable)
301 {
302 	struct smu_power_context *smu_power = &smu->smu_power;
303 	struct smu_power_gate *power_gate = &smu_power->power_gate;
304 	int ret = 0;
305 
306 	if (!smu->ppt_funcs->dpm_set_vpe_enable)
307 		return 0;
308 
309 	if (atomic_read(&power_gate->vpe_gated) ^ enable)
310 		return 0;
311 
312 	ret = smu->ppt_funcs->dpm_set_vpe_enable(smu, enable);
313 	if (!ret)
314 		atomic_set(&power_gate->vpe_gated, !enable);
315 
316 	return ret;
317 }
318 
smu_dpm_set_isp_enable(struct smu_context * smu,bool enable)319 static int smu_dpm_set_isp_enable(struct smu_context *smu,
320 				  bool enable)
321 {
322 	struct smu_power_context *smu_power = &smu->smu_power;
323 	struct smu_power_gate *power_gate = &smu_power->power_gate;
324 	int ret;
325 
326 	if (!smu->ppt_funcs->dpm_set_isp_enable)
327 		return 0;
328 
329 	if (atomic_read(&power_gate->isp_gated) ^ enable)
330 		return 0;
331 
332 	ret = smu->ppt_funcs->dpm_set_isp_enable(smu, enable);
333 	if (!ret)
334 		atomic_set(&power_gate->isp_gated, !enable);
335 
336 	return ret;
337 }
338 
smu_dpm_set_umsch_mm_enable(struct smu_context * smu,bool enable)339 static int smu_dpm_set_umsch_mm_enable(struct smu_context *smu,
340 				   bool enable)
341 {
342 	struct smu_power_context *smu_power = &smu->smu_power;
343 	struct smu_power_gate *power_gate = &smu_power->power_gate;
344 	int ret = 0;
345 
346 	if (!smu->adev->enable_umsch_mm)
347 		return 0;
348 
349 	if (!smu->ppt_funcs->dpm_set_umsch_mm_enable)
350 		return 0;
351 
352 	if (atomic_read(&power_gate->umsch_mm_gated) ^ enable)
353 		return 0;
354 
355 	ret = smu->ppt_funcs->dpm_set_umsch_mm_enable(smu, enable);
356 	if (!ret)
357 		atomic_set(&power_gate->umsch_mm_gated, !enable);
358 
359 	return ret;
360 }
361 
smu_set_mall_enable(struct smu_context * smu)362 static int smu_set_mall_enable(struct smu_context *smu)
363 {
364 	int ret = 0;
365 
366 	if (!smu->ppt_funcs->set_mall_enable)
367 		return 0;
368 
369 	ret = smu->ppt_funcs->set_mall_enable(smu);
370 
371 	return ret;
372 }
373 
374 /**
375  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
376  *
377  * @handle:        smu_context pointer
378  * @block_type:    the IP block to power gate/ungate
379  * @gate:          to power gate if true, ungate otherwise
380  * @inst:          the instance of the IP block to power gate/ungate
381  *
382  * This API uses no smu->mutex lock protection due to:
383  * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
384  *    This is guarded to be race condition free by the caller.
385  * 2. Or get called on user setting request of power_dpm_force_performance_level.
386  *    Under this case, the smu->mutex lock protection is already enforced on
387  *    the parent API smu_force_performance_level of the call path.
388  */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate,int inst)389 static int smu_dpm_set_power_gate(void *handle,
390 				  uint32_t block_type,
391 				  bool gate,
392 				  int inst)
393 {
394 	struct smu_context *smu = handle;
395 	int ret = 0;
396 
397 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
398 		dev_WARN(smu->adev->dev,
399 			 "SMU uninitialized but power %s requested for %u!\n",
400 			 gate ? "gate" : "ungate", block_type);
401 		return -EOPNOTSUPP;
402 	}
403 
404 	switch (block_type) {
405 	/*
406 	 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
407 	 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
408 	 */
409 	case AMD_IP_BLOCK_TYPE_UVD:
410 	case AMD_IP_BLOCK_TYPE_VCN:
411 		ret = smu_dpm_set_vcn_enable(smu, !gate, inst);
412 		if (ret)
413 			dev_err(smu->adev->dev, "Failed to power %s VCN instance %d!\n",
414 				gate ? "gate" : "ungate", inst);
415 		break;
416 	case AMD_IP_BLOCK_TYPE_GFX:
417 		ret = smu_gfx_off_control(smu, gate);
418 		if (ret)
419 			dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
420 				gate ? "enable" : "disable");
421 		break;
422 	case AMD_IP_BLOCK_TYPE_SDMA:
423 		ret = smu_powergate_sdma(smu, gate);
424 		if (ret)
425 			dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
426 				gate ? "gate" : "ungate");
427 		break;
428 	case AMD_IP_BLOCK_TYPE_JPEG:
429 		ret = smu_dpm_set_jpeg_enable(smu, !gate);
430 		if (ret)
431 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
432 				gate ? "gate" : "ungate");
433 		break;
434 	case AMD_IP_BLOCK_TYPE_VPE:
435 		ret = smu_dpm_set_vpe_enable(smu, !gate);
436 		if (ret)
437 			dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
438 				gate ? "gate" : "ungate");
439 		break;
440 	case AMD_IP_BLOCK_TYPE_ISP:
441 		ret = smu_dpm_set_isp_enable(smu, !gate);
442 		if (ret)
443 			dev_err(smu->adev->dev, "Failed to power %s ISP!\n",
444 				gate ? "gate" : "ungate");
445 		break;
446 	default:
447 		dev_err(smu->adev->dev, "Unsupported block type!\n");
448 		return -EINVAL;
449 	}
450 
451 	return ret;
452 }
453 
454 /**
455  * smu_set_user_clk_dependencies - set user profile clock dependencies
456  *
457  * @smu:	smu_context pointer
458  * @clk:	enum smu_clk_type type
459  *
460  * Enable/Disable the clock dependency for the @clk type.
461  */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)462 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
463 {
464 	if (smu->adev->in_suspend)
465 		return;
466 
467 	if (clk == SMU_MCLK) {
468 		smu->user_dpm_profile.clk_dependency = 0;
469 		smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
470 	} else if (clk == SMU_FCLK) {
471 		/* MCLK takes precedence over FCLK */
472 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
473 			return;
474 
475 		smu->user_dpm_profile.clk_dependency = 0;
476 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
477 	} else if (clk == SMU_SOCCLK) {
478 		/* MCLK takes precedence over SOCCLK */
479 		if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
480 			return;
481 
482 		smu->user_dpm_profile.clk_dependency = 0;
483 		smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
484 	} else
485 		/* Add clk dependencies here, if any */
486 		return;
487 }
488 
489 /**
490  * smu_restore_dpm_user_profile - reinstate user dpm profile
491  *
492  * @smu:	smu_context pointer
493  *
494  * Restore the saved user power configurations include power limit,
495  * clock frequencies, fan control mode and fan speed.
496  */
smu_restore_dpm_user_profile(struct smu_context * smu)497 static void smu_restore_dpm_user_profile(struct smu_context *smu)
498 {
499 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
500 	int ret = 0;
501 
502 	if (!smu->adev->in_suspend)
503 		return;
504 
505 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
506 		return;
507 
508 	/* Enable restore flag */
509 	smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
510 
511 	/* set the user dpm power limit */
512 	if (smu->user_dpm_profile.power_limit) {
513 		ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
514 		if (ret)
515 			dev_err(smu->adev->dev, "Failed to set power limit value\n");
516 	}
517 
518 	/* set the user dpm clock configurations */
519 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
520 		enum smu_clk_type clk_type;
521 
522 		for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
523 			/*
524 			 * Iterate over smu clk type and force the saved user clk
525 			 * configs, skip if clock dependency is enabled
526 			 */
527 			if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
528 					smu->user_dpm_profile.clk_mask[clk_type]) {
529 				ret = smu_force_smuclk_levels(smu, clk_type,
530 						smu->user_dpm_profile.clk_mask[clk_type]);
531 				if (ret)
532 					dev_err(smu->adev->dev,
533 						"Failed to set clock type = %d\n", clk_type);
534 			}
535 		}
536 	}
537 
538 	/* set the user dpm fan configurations */
539 	if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
540 	    smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
541 		ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
542 		if (ret != -EOPNOTSUPP) {
543 			smu->user_dpm_profile.fan_speed_pwm = 0;
544 			smu->user_dpm_profile.fan_speed_rpm = 0;
545 			smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
546 			dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
547 		}
548 
549 		if (smu->user_dpm_profile.fan_speed_pwm) {
550 			ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
551 			if (ret != -EOPNOTSUPP)
552 				dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
553 		}
554 
555 		if (smu->user_dpm_profile.fan_speed_rpm) {
556 			ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
557 			if (ret != -EOPNOTSUPP)
558 				dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
559 		}
560 	}
561 
562 	/* Restore user customized OD settings */
563 	if (smu->user_dpm_profile.user_od) {
564 		if (smu->ppt_funcs->restore_user_od_settings) {
565 			ret = smu->ppt_funcs->restore_user_od_settings(smu);
566 			if (ret)
567 				dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
568 		}
569 	}
570 
571 	/* Disable restore flag */
572 	smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
573 }
574 
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)575 static int smu_get_power_num_states(void *handle,
576 				    struct pp_states_info *state_info)
577 {
578 	if (!state_info)
579 		return -EINVAL;
580 
581 	/* not support power state */
582 	memset(state_info, 0, sizeof(struct pp_states_info));
583 	state_info->nums = 1;
584 	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
585 
586 	return 0;
587 }
588 
is_support_sw_smu(struct amdgpu_device * adev)589 bool is_support_sw_smu(struct amdgpu_device *adev)
590 {
591 	/* vega20 is 11.0.2, but it's supported via the powerplay code */
592 	if (adev->asic_type == CHIP_VEGA20)
593 		return false;
594 
595 	if ((amdgpu_ip_version(adev, MP1_HWIP, 0) >= IP_VERSION(11, 0, 0)) &&
596 	    amdgpu_device_ip_is_valid(adev, AMD_IP_BLOCK_TYPE_SMC))
597 		return true;
598 
599 	return false;
600 }
601 
is_support_cclk_dpm(struct amdgpu_device * adev)602 bool is_support_cclk_dpm(struct amdgpu_device *adev)
603 {
604 	struct smu_context *smu = adev->powerplay.pp_handle;
605 
606 	if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
607 		return false;
608 
609 	return true;
610 }
611 
612 
smu_sys_get_pp_table(void * handle,char ** table)613 static int smu_sys_get_pp_table(void *handle,
614 				char **table)
615 {
616 	struct smu_context *smu = handle;
617 	struct smu_table_context *smu_table = &smu->smu_table;
618 
619 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
620 		return -EOPNOTSUPP;
621 
622 	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
623 		return -EINVAL;
624 
625 	if (smu_table->hardcode_pptable)
626 		*table = smu_table->hardcode_pptable;
627 	else
628 		*table = smu_table->power_play_table;
629 
630 	return smu_table->power_play_table_size;
631 }
632 
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)633 static int smu_sys_set_pp_table(void *handle,
634 				const char *buf,
635 				size_t size)
636 {
637 	struct smu_context *smu = handle;
638 	struct smu_table_context *smu_table = &smu->smu_table;
639 	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
640 	int ret = 0;
641 
642 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
643 		return -EOPNOTSUPP;
644 
645 	if (header->usStructureSize != size) {
646 		dev_err(smu->adev->dev, "pp table size not matched !\n");
647 		return -EIO;
648 	}
649 
650 	if (!smu_table->hardcode_pptable || smu_table->power_play_table_size < size) {
651 		kfree(smu_table->hardcode_pptable);
652 		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
653 		if (!smu_table->hardcode_pptable)
654 			return -ENOMEM;
655 	}
656 
657 	memcpy(smu_table->hardcode_pptable, buf, size);
658 	smu_table->power_play_table = smu_table->hardcode_pptable;
659 	smu_table->power_play_table_size = size;
660 
661 	/*
662 	 * Special hw_fini action(for Navi1x, the DPMs disablement will be
663 	 * skipped) may be needed for custom pptable uploading.
664 	 */
665 	smu->uploading_custom_pp_table = true;
666 
667 	ret = smu_reset(smu);
668 	if (ret)
669 		dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
670 
671 	smu->uploading_custom_pp_table = false;
672 
673 	return ret;
674 }
675 
smu_get_driver_allowed_feature_mask(struct smu_context * smu)676 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
677 {
678 	struct smu_feature *feature = &smu->smu_feature;
679 	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
680 	int ret = 0;
681 
682 	/*
683 	 * With SCPM enabled, the allowed featuremasks setting(via
684 	 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
685 	 * That means there is no way to let PMFW knows the settings below.
686 	 * Thus, we just assume all the features are allowed under
687 	 * such scenario.
688 	 */
689 	if (smu->adev->scpm_enabled) {
690 		bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
691 		return 0;
692 	}
693 
694 	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
695 
696 	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
697 					     SMU_FEATURE_MAX/32);
698 	if (ret)
699 		return ret;
700 
701 	bitmap_or(feature->allowed, feature->allowed,
702 		      (unsigned long *)allowed_feature_mask,
703 		      feature->feature_num);
704 
705 	return ret;
706 }
707 
smu_set_funcs(struct amdgpu_device * adev)708 static int smu_set_funcs(struct amdgpu_device *adev)
709 {
710 	struct smu_context *smu = adev->powerplay.pp_handle;
711 
712 	if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
713 		smu->od_enabled = true;
714 
715 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
716 	case IP_VERSION(11, 0, 0):
717 	case IP_VERSION(11, 0, 5):
718 	case IP_VERSION(11, 0, 9):
719 		navi10_set_ppt_funcs(smu);
720 		break;
721 	case IP_VERSION(11, 0, 7):
722 	case IP_VERSION(11, 0, 11):
723 	case IP_VERSION(11, 0, 12):
724 	case IP_VERSION(11, 0, 13):
725 		sienna_cichlid_set_ppt_funcs(smu);
726 		break;
727 	case IP_VERSION(12, 0, 0):
728 	case IP_VERSION(12, 0, 1):
729 		renoir_set_ppt_funcs(smu);
730 		break;
731 	case IP_VERSION(11, 5, 0):
732 	case IP_VERSION(11, 5, 2):
733 		vangogh_set_ppt_funcs(smu);
734 		break;
735 	case IP_VERSION(13, 0, 1):
736 	case IP_VERSION(13, 0, 3):
737 	case IP_VERSION(13, 0, 8):
738 		yellow_carp_set_ppt_funcs(smu);
739 		break;
740 	case IP_VERSION(13, 0, 4):
741 	case IP_VERSION(13, 0, 11):
742 		smu_v13_0_4_set_ppt_funcs(smu);
743 		break;
744 	case IP_VERSION(13, 0, 5):
745 		smu_v13_0_5_set_ppt_funcs(smu);
746 		break;
747 	case IP_VERSION(11, 0, 8):
748 		cyan_skillfish_set_ppt_funcs(smu);
749 		break;
750 	case IP_VERSION(11, 0, 2):
751 		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
752 		arcturus_set_ppt_funcs(smu);
753 		/* OD is not supported on Arcturus */
754 		smu->od_enabled = false;
755 		break;
756 	case IP_VERSION(13, 0, 2):
757 		aldebaran_set_ppt_funcs(smu);
758 		/* Enable pp_od_clk_voltage node */
759 		smu->od_enabled = true;
760 		break;
761 	case IP_VERSION(13, 0, 0):
762 	case IP_VERSION(13, 0, 10):
763 		smu_v13_0_0_set_ppt_funcs(smu);
764 		break;
765 	case IP_VERSION(13, 0, 6):
766 	case IP_VERSION(13, 0, 14):
767 	case IP_VERSION(13, 0, 12):
768 		smu_v13_0_6_set_ppt_funcs(smu);
769 		/* Enable pp_od_clk_voltage node */
770 		smu->od_enabled = true;
771 		break;
772 	case IP_VERSION(13, 0, 7):
773 		smu_v13_0_7_set_ppt_funcs(smu);
774 		break;
775 	case IP_VERSION(14, 0, 0):
776 	case IP_VERSION(14, 0, 1):
777 	case IP_VERSION(14, 0, 4):
778 	case IP_VERSION(14, 0, 5):
779 		smu_v14_0_0_set_ppt_funcs(smu);
780 		break;
781 	case IP_VERSION(14, 0, 2):
782 	case IP_VERSION(14, 0, 3):
783 		smu_v14_0_2_set_ppt_funcs(smu);
784 		break;
785 	default:
786 		return -EINVAL;
787 	}
788 
789 	return 0;
790 }
791 
smu_early_init(struct amdgpu_ip_block * ip_block)792 static int smu_early_init(struct amdgpu_ip_block *ip_block)
793 {
794 	struct amdgpu_device *adev = ip_block->adev;
795 	struct smu_context *smu;
796 	int r;
797 
798 	smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
799 	if (!smu)
800 		return -ENOMEM;
801 
802 	smu->adev = adev;
803 	smu->pm_enabled = !!amdgpu_dpm;
804 	smu->is_apu = false;
805 	smu->smu_baco.state = SMU_BACO_STATE_NONE;
806 	smu->smu_baco.platform_support = false;
807 	smu->smu_baco.maco_support = false;
808 	smu->user_dpm_profile.fan_mode = -1;
809 	smu->power_profile_mode = PP_SMC_POWER_PROFILE_UNKNOWN;
810 
811 	mutex_init(&smu->message_lock);
812 
813 	adev->powerplay.pp_handle = smu;
814 	adev->powerplay.pp_funcs = &swsmu_pm_funcs;
815 
816 	r = smu_set_funcs(adev);
817 	if (r)
818 		return r;
819 	return smu_init_microcode(smu);
820 }
821 
smu_set_default_dpm_table(struct smu_context * smu)822 static int smu_set_default_dpm_table(struct smu_context *smu)
823 {
824 	struct amdgpu_device *adev = smu->adev;
825 	struct smu_power_context *smu_power = &smu->smu_power;
826 	struct smu_power_gate *power_gate = &smu_power->power_gate;
827 	int vcn_gate[AMDGPU_MAX_VCN_INSTANCES], jpeg_gate, i;
828 	int ret = 0;
829 
830 	if (!smu->ppt_funcs->set_default_dpm_table)
831 		return 0;
832 
833 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
834 		for (i = 0; i < adev->vcn.num_vcn_inst; i++)
835 			vcn_gate[i] = atomic_read(&power_gate->vcn_gated[i]);
836 	}
837 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
838 		jpeg_gate = atomic_read(&power_gate->jpeg_gated);
839 
840 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
841 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
842 			ret = smu_dpm_set_vcn_enable(smu, true, i);
843 			if (ret)
844 				return ret;
845 		}
846 	}
847 
848 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
849 		ret = smu_dpm_set_jpeg_enable(smu, true);
850 		if (ret)
851 			goto err_out;
852 	}
853 
854 	ret = smu->ppt_funcs->set_default_dpm_table(smu);
855 	if (ret)
856 		dev_err(smu->adev->dev,
857 			"Failed to setup default dpm clock tables!\n");
858 
859 	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
860 		smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
861 err_out:
862 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
863 		for (i = 0; i < adev->vcn.num_vcn_inst; i++)
864 			smu_dpm_set_vcn_enable(smu, !vcn_gate[i], i);
865 	}
866 
867 	return ret;
868 }
869 
smu_apply_default_config_table_settings(struct smu_context * smu)870 static int smu_apply_default_config_table_settings(struct smu_context *smu)
871 {
872 	struct amdgpu_device *adev = smu->adev;
873 	int ret = 0;
874 
875 	ret = smu_get_default_config_table_settings(smu,
876 						    &adev->pm.config_table);
877 	if (ret)
878 		return ret;
879 
880 	return smu_set_config_table(smu, &adev->pm.config_table);
881 }
882 
smu_late_init(struct amdgpu_ip_block * ip_block)883 static int smu_late_init(struct amdgpu_ip_block *ip_block)
884 {
885 	struct amdgpu_device *adev = ip_block->adev;
886 	struct smu_context *smu = adev->powerplay.pp_handle;
887 	int ret = 0;
888 
889 	smu_set_fine_grain_gfx_freq_parameters(smu);
890 
891 	if (!smu->pm_enabled)
892 		return 0;
893 
894 	ret = smu_post_init(smu);
895 	if (ret) {
896 		dev_err(adev->dev, "Failed to post smu init!\n");
897 		return ret;
898 	}
899 
900 	/*
901 	 * Explicitly notify PMFW the power mode the system in. Since
902 	 * the PMFW may boot the ASIC with a different mode.
903 	 * For those supporting ACDC switch via gpio, PMFW will
904 	 * handle the switch automatically. Driver involvement
905 	 * is unnecessary.
906 	 */
907 	adev->pm.ac_power = power_supply_is_system_supplied() > 0;
908 	smu_set_ac_dc(smu);
909 
910 	if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) ||
911 	    (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3)))
912 		return 0;
913 
914 	if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
915 		ret = smu_set_default_od_settings(smu);
916 		if (ret) {
917 			dev_err(adev->dev, "Failed to setup default OD settings!\n");
918 			return ret;
919 		}
920 	}
921 
922 	ret = smu_populate_umd_state_clk(smu);
923 	if (ret) {
924 		dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
925 		return ret;
926 	}
927 
928 	ret = smu_get_asic_power_limits(smu,
929 					&smu->current_power_limit,
930 					&smu->default_power_limit,
931 					&smu->max_power_limit,
932 					&smu->min_power_limit);
933 	if (ret) {
934 		dev_err(adev->dev, "Failed to get asic power limits!\n");
935 		return ret;
936 	}
937 
938 	if (!amdgpu_sriov_vf(adev))
939 		smu_get_unique_id(smu);
940 
941 	smu_get_fan_parameters(smu);
942 
943 	smu_handle_task(smu,
944 			smu->smu_dpm.dpm_level,
945 			AMD_PP_TASK_COMPLETE_INIT);
946 
947 	ret = smu_apply_default_config_table_settings(smu);
948 	if (ret && (ret != -EOPNOTSUPP)) {
949 		dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
950 		return ret;
951 	}
952 
953 	smu_restore_dpm_user_profile(smu);
954 
955 	return 0;
956 }
957 
smu_init_fb_allocations(struct smu_context * smu)958 static int smu_init_fb_allocations(struct smu_context *smu)
959 {
960 	struct amdgpu_device *adev = smu->adev;
961 	struct smu_table_context *smu_table = &smu->smu_table;
962 	struct smu_table *tables = smu_table->tables;
963 	struct smu_table *driver_table = &(smu_table->driver_table);
964 	uint32_t max_table_size = 0;
965 	int ret, i;
966 
967 	/* VRAM allocation for tool table */
968 	if (tables[SMU_TABLE_PMSTATUSLOG].size) {
969 		ret = amdgpu_bo_create_kernel(adev,
970 					      tables[SMU_TABLE_PMSTATUSLOG].size,
971 					      tables[SMU_TABLE_PMSTATUSLOG].align,
972 					      tables[SMU_TABLE_PMSTATUSLOG].domain,
973 					      &tables[SMU_TABLE_PMSTATUSLOG].bo,
974 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
975 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
976 		if (ret) {
977 			dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
978 			return ret;
979 		}
980 	}
981 
982 	driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
983 	/* VRAM allocation for driver table */
984 	for (i = 0; i < SMU_TABLE_COUNT; i++) {
985 		if (tables[i].size == 0)
986 			continue;
987 
988 		/* If one of the tables has VRAM domain restriction, keep it in
989 		 * VRAM
990 		 */
991 		if ((tables[i].domain &
992 		    (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
993 			    AMDGPU_GEM_DOMAIN_VRAM)
994 			driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
995 
996 		if (i == SMU_TABLE_PMSTATUSLOG)
997 			continue;
998 
999 		if (max_table_size < tables[i].size)
1000 			max_table_size = tables[i].size;
1001 	}
1002 
1003 	driver_table->size = max_table_size;
1004 	driver_table->align = PAGE_SIZE;
1005 
1006 	ret = amdgpu_bo_create_kernel(adev,
1007 				      driver_table->size,
1008 				      driver_table->align,
1009 				      driver_table->domain,
1010 				      &driver_table->bo,
1011 				      &driver_table->mc_address,
1012 				      &driver_table->cpu_addr);
1013 	if (ret) {
1014 		dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
1015 		if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
1016 			amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
1017 					      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
1018 					      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
1019 	}
1020 
1021 	return ret;
1022 }
1023 
smu_fini_fb_allocations(struct smu_context * smu)1024 static int smu_fini_fb_allocations(struct smu_context *smu)
1025 {
1026 	struct smu_table_context *smu_table = &smu->smu_table;
1027 	struct smu_table *tables = smu_table->tables;
1028 	struct smu_table *driver_table = &(smu_table->driver_table);
1029 
1030 	if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
1031 		amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
1032 				      &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
1033 				      &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
1034 
1035 	amdgpu_bo_free_kernel(&driver_table->bo,
1036 			      &driver_table->mc_address,
1037 			      &driver_table->cpu_addr);
1038 
1039 	return 0;
1040 }
1041 
smu_update_gpu_addresses(struct smu_context * smu)1042 static void smu_update_gpu_addresses(struct smu_context *smu)
1043 {
1044 	struct smu_table_context *smu_table = &smu->smu_table;
1045 	struct smu_table *pm_status_table = smu_table->tables + SMU_TABLE_PMSTATUSLOG;
1046 	struct smu_table *driver_table = &(smu_table->driver_table);
1047 	struct smu_table *dummy_read_1_table = &smu_table->dummy_read_1_table;
1048 
1049 	if (pm_status_table->bo)
1050 		pm_status_table->mc_address = amdgpu_bo_fb_aper_addr(pm_status_table->bo);
1051 	if (driver_table->bo)
1052 		driver_table->mc_address = amdgpu_bo_fb_aper_addr(driver_table->bo);
1053 	if (dummy_read_1_table->bo)
1054 		dummy_read_1_table->mc_address = amdgpu_bo_fb_aper_addr(dummy_read_1_table->bo);
1055 }
1056 
1057 /**
1058  * smu_alloc_memory_pool - allocate memory pool in the system memory
1059  *
1060  * @smu: amdgpu_device pointer
1061  *
1062  * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
1063  * and DramLogSetDramAddr can notify it changed.
1064  *
1065  * Returns 0 on success, error on failure.
1066  */
smu_alloc_memory_pool(struct smu_context * smu)1067 static int smu_alloc_memory_pool(struct smu_context *smu)
1068 {
1069 	struct amdgpu_device *adev = smu->adev;
1070 	struct smu_table_context *smu_table = &smu->smu_table;
1071 	struct smu_table *memory_pool = &smu_table->memory_pool;
1072 	uint64_t pool_size = smu->pool_size;
1073 	int ret = 0;
1074 
1075 	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
1076 		return ret;
1077 
1078 	memory_pool->size = pool_size;
1079 	memory_pool->align = PAGE_SIZE;
1080 	memory_pool->domain =
1081 		(adev->pm.smu_debug_mask & SMU_DEBUG_POOL_USE_VRAM) ?
1082 			AMDGPU_GEM_DOMAIN_VRAM :
1083 			AMDGPU_GEM_DOMAIN_GTT;
1084 
1085 	switch (pool_size) {
1086 	case SMU_MEMORY_POOL_SIZE_256_MB:
1087 	case SMU_MEMORY_POOL_SIZE_512_MB:
1088 	case SMU_MEMORY_POOL_SIZE_1_GB:
1089 	case SMU_MEMORY_POOL_SIZE_2_GB:
1090 		ret = amdgpu_bo_create_kernel(adev,
1091 					      memory_pool->size,
1092 					      memory_pool->align,
1093 					      memory_pool->domain,
1094 					      &memory_pool->bo,
1095 					      &memory_pool->mc_address,
1096 					      &memory_pool->cpu_addr);
1097 		if (ret)
1098 			dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
1099 		break;
1100 	default:
1101 		break;
1102 	}
1103 
1104 	return ret;
1105 }
1106 
smu_free_memory_pool(struct smu_context * smu)1107 static int smu_free_memory_pool(struct smu_context *smu)
1108 {
1109 	struct smu_table_context *smu_table = &smu->smu_table;
1110 	struct smu_table *memory_pool = &smu_table->memory_pool;
1111 
1112 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
1113 		return 0;
1114 
1115 	amdgpu_bo_free_kernel(&memory_pool->bo,
1116 			      &memory_pool->mc_address,
1117 			      &memory_pool->cpu_addr);
1118 
1119 	memset(memory_pool, 0, sizeof(struct smu_table));
1120 
1121 	return 0;
1122 }
1123 
smu_alloc_dummy_read_table(struct smu_context * smu)1124 static int smu_alloc_dummy_read_table(struct smu_context *smu)
1125 {
1126 	struct smu_table_context *smu_table = &smu->smu_table;
1127 	struct smu_table *dummy_read_1_table =
1128 			&smu_table->dummy_read_1_table;
1129 	struct amdgpu_device *adev = smu->adev;
1130 	int ret = 0;
1131 
1132 	if (!dummy_read_1_table->size)
1133 		return 0;
1134 
1135 	ret = amdgpu_bo_create_kernel(adev,
1136 				      dummy_read_1_table->size,
1137 				      dummy_read_1_table->align,
1138 				      dummy_read_1_table->domain,
1139 				      &dummy_read_1_table->bo,
1140 				      &dummy_read_1_table->mc_address,
1141 				      &dummy_read_1_table->cpu_addr);
1142 	if (ret)
1143 		dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
1144 
1145 	return ret;
1146 }
1147 
smu_free_dummy_read_table(struct smu_context * smu)1148 static void smu_free_dummy_read_table(struct smu_context *smu)
1149 {
1150 	struct smu_table_context *smu_table = &smu->smu_table;
1151 	struct smu_table *dummy_read_1_table =
1152 			&smu_table->dummy_read_1_table;
1153 
1154 
1155 	amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
1156 			      &dummy_read_1_table->mc_address,
1157 			      &dummy_read_1_table->cpu_addr);
1158 
1159 	memset(dummy_read_1_table, 0, sizeof(struct smu_table));
1160 }
1161 
smu_smc_table_sw_init(struct smu_context * smu)1162 static int smu_smc_table_sw_init(struct smu_context *smu)
1163 {
1164 	int ret;
1165 
1166 	/**
1167 	 * Create smu_table structure, and init smc tables such as
1168 	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
1169 	 */
1170 	ret = smu_init_smc_tables(smu);
1171 	if (ret) {
1172 		dev_err(smu->adev->dev, "Failed to init smc tables!\n");
1173 		return ret;
1174 	}
1175 
1176 	/**
1177 	 * Create smu_power_context structure, and allocate smu_dpm_context and
1178 	 * context size to fill the smu_power_context data.
1179 	 */
1180 	ret = smu_init_power(smu);
1181 	if (ret) {
1182 		dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1183 		return ret;
1184 	}
1185 
1186 	/*
1187 	 * allocate vram bos to store smc table contents.
1188 	 */
1189 	ret = smu_init_fb_allocations(smu);
1190 	if (ret)
1191 		return ret;
1192 
1193 	ret = smu_alloc_memory_pool(smu);
1194 	if (ret)
1195 		return ret;
1196 
1197 	ret = smu_alloc_dummy_read_table(smu);
1198 	if (ret)
1199 		return ret;
1200 
1201 	ret = smu_i2c_init(smu);
1202 	if (ret)
1203 		return ret;
1204 
1205 	return 0;
1206 }
1207 
smu_smc_table_sw_fini(struct smu_context * smu)1208 static int smu_smc_table_sw_fini(struct smu_context *smu)
1209 {
1210 	int ret;
1211 
1212 	smu_i2c_fini(smu);
1213 
1214 	smu_free_dummy_read_table(smu);
1215 
1216 	ret = smu_free_memory_pool(smu);
1217 	if (ret)
1218 		return ret;
1219 
1220 	ret = smu_fini_fb_allocations(smu);
1221 	if (ret)
1222 		return ret;
1223 
1224 	ret = smu_fini_power(smu);
1225 	if (ret) {
1226 		dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1227 		return ret;
1228 	}
1229 
1230 	ret = smu_fini_smc_tables(smu);
1231 	if (ret) {
1232 		dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1233 		return ret;
1234 	}
1235 
1236 	return 0;
1237 }
1238 
smu_throttling_logging_work_fn(struct work_struct * work)1239 static void smu_throttling_logging_work_fn(struct work_struct *work)
1240 {
1241 	struct smu_context *smu = container_of(work, struct smu_context,
1242 					       throttling_logging_work);
1243 
1244 	smu_log_thermal_throttling(smu);
1245 }
1246 
smu_interrupt_work_fn(struct work_struct * work)1247 static void smu_interrupt_work_fn(struct work_struct *work)
1248 {
1249 	struct smu_context *smu = container_of(work, struct smu_context,
1250 					       interrupt_work);
1251 
1252 	if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1253 		smu->ppt_funcs->interrupt_work(smu);
1254 }
1255 
smu_swctf_delayed_work_handler(struct work_struct * work)1256 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1257 {
1258 	struct smu_context *smu =
1259 		container_of(work, struct smu_context, swctf_delayed_work.work);
1260 	struct smu_temperature_range *range =
1261 				&smu->thermal_range;
1262 	struct amdgpu_device *adev = smu->adev;
1263 	uint32_t hotspot_tmp, size;
1264 
1265 	/*
1266 	 * If the hotspot temperature is confirmed as below SW CTF setting point
1267 	 * after the delay enforced, nothing will be done.
1268 	 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1269 	 */
1270 	if (range->software_shutdown_temp &&
1271 	    smu->ppt_funcs->read_sensor &&
1272 	    !smu->ppt_funcs->read_sensor(smu,
1273 					 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1274 					 &hotspot_tmp,
1275 					 &size) &&
1276 	    hotspot_tmp / 1000 < range->software_shutdown_temp)
1277 		return;
1278 
1279 	dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1280 	dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1281 	orderly_poweroff(true);
1282 }
1283 
smu_init_xgmi_plpd_mode(struct smu_context * smu)1284 static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
1285 {
1286 	struct smu_dpm_context *dpm_ctxt = &(smu->smu_dpm);
1287 	struct smu_dpm_policy_ctxt *policy_ctxt;
1288 	struct smu_dpm_policy *policy;
1289 
1290 	policy = smu_get_pm_policy(smu, PP_PM_POLICY_XGMI_PLPD);
1291 	if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
1292 		if (policy)
1293 			policy->current_level = XGMI_PLPD_DEFAULT;
1294 		return;
1295 	}
1296 
1297 	/* PMFW put PLPD into default policy after enabling the feature */
1298 	if (smu_feature_is_enabled(smu,
1299 				   SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT)) {
1300 		if (policy)
1301 			policy->current_level = XGMI_PLPD_DEFAULT;
1302 	} else {
1303 		policy_ctxt = dpm_ctxt->dpm_policies;
1304 		if (policy_ctxt)
1305 			policy_ctxt->policy_mask &=
1306 				~BIT(PP_PM_POLICY_XGMI_PLPD);
1307 	}
1308 }
1309 
smu_init_power_profile(struct smu_context * smu)1310 static void smu_init_power_profile(struct smu_context *smu)
1311 {
1312 	if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_UNKNOWN)
1313 		smu->power_profile_mode =
1314 			PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1315 	smu_power_profile_mode_get(smu, smu->power_profile_mode);
1316 }
1317 
smu_feature_cap_set(struct smu_context * smu,enum smu_feature_cap_id fea_id)1318 void smu_feature_cap_set(struct smu_context *smu, enum smu_feature_cap_id fea_id)
1319 {
1320 	struct smu_feature_cap *fea_cap = &smu->fea_cap;
1321 
1322 	if (fea_id >= SMU_FEATURE_CAP_ID__COUNT)
1323 		return;
1324 
1325 	set_bit(fea_id, fea_cap->cap_map);
1326 }
1327 
smu_feature_cap_test(struct smu_context * smu,enum smu_feature_cap_id fea_id)1328 bool smu_feature_cap_test(struct smu_context *smu, enum smu_feature_cap_id fea_id)
1329 {
1330 	struct smu_feature_cap *fea_cap = &smu->fea_cap;
1331 
1332 	if (fea_id >= SMU_FEATURE_CAP_ID__COUNT)
1333 		return false;
1334 
1335 	return test_bit(fea_id, fea_cap->cap_map);
1336 }
1337 
smu_feature_cap_init(struct smu_context * smu)1338 static void smu_feature_cap_init(struct smu_context *smu)
1339 {
1340 	struct smu_feature_cap *fea_cap = &smu->fea_cap;
1341 
1342 	bitmap_zero(fea_cap->cap_map, SMU_FEATURE_CAP_ID__COUNT);
1343 }
1344 
smu_sw_init(struct amdgpu_ip_block * ip_block)1345 static int smu_sw_init(struct amdgpu_ip_block *ip_block)
1346 {
1347 	struct amdgpu_device *adev = ip_block->adev;
1348 	struct smu_context *smu = adev->powerplay.pp_handle;
1349 	int i, ret;
1350 
1351 	smu->pool_size = adev->pm.smu_prv_buffer_size;
1352 	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1353 	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1354 	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1355 
1356 	INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1357 	INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1358 	atomic64_set(&smu->throttle_int_counter, 0);
1359 	smu->watermarks_bitmap = 0;
1360 
1361 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
1362 		atomic_set(&smu->smu_power.power_gate.vcn_gated[i], 1);
1363 	atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1364 	atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1365 	atomic_set(&smu->smu_power.power_gate.isp_gated, 1);
1366 	atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1367 
1368 	smu_init_power_profile(smu);
1369 	smu->display_config = &adev->pm.pm_display_cfg;
1370 
1371 	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1372 	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1373 
1374 	INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1375 			  smu_swctf_delayed_work_handler);
1376 
1377 	smu_feature_cap_init(smu);
1378 
1379 	ret = smu_smc_table_sw_init(smu);
1380 	if (ret) {
1381 		dev_err(adev->dev, "Failed to sw init smc table!\n");
1382 		return ret;
1383 	}
1384 
1385 	/* get boot_values from vbios to set revision, gfxclk, and etc. */
1386 	ret = smu_get_vbios_bootup_values(smu);
1387 	if (ret) {
1388 		dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1389 		return ret;
1390 	}
1391 
1392 	ret = smu_init_pptable_microcode(smu);
1393 	if (ret) {
1394 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1395 		return ret;
1396 	}
1397 
1398 	ret = smu_register_irq_handler(smu);
1399 	if (ret) {
1400 		dev_err(adev->dev, "Failed to register smc irq handler!\n");
1401 		return ret;
1402 	}
1403 
1404 	/* If there is no way to query fan control mode, fan control is not supported */
1405 	if (!smu->ppt_funcs->get_fan_control_mode)
1406 		smu->adev->pm.no_fan = true;
1407 
1408 	return 0;
1409 }
1410 
smu_sw_fini(struct amdgpu_ip_block * ip_block)1411 static int smu_sw_fini(struct amdgpu_ip_block *ip_block)
1412 {
1413 	struct amdgpu_device *adev = ip_block->adev;
1414 	struct smu_context *smu = adev->powerplay.pp_handle;
1415 	int ret;
1416 
1417 	ret = smu_smc_table_sw_fini(smu);
1418 	if (ret) {
1419 		dev_err(adev->dev, "Failed to sw fini smc table!\n");
1420 		return ret;
1421 	}
1422 
1423 	if (smu->custom_profile_params) {
1424 		kfree(smu->custom_profile_params);
1425 		smu->custom_profile_params = NULL;
1426 	}
1427 
1428 	smu_fini_microcode(smu);
1429 
1430 	return 0;
1431 }
1432 
smu_get_thermal_temperature_range(struct smu_context * smu)1433 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1434 {
1435 	struct amdgpu_device *adev = smu->adev;
1436 	struct smu_temperature_range *range =
1437 				&smu->thermal_range;
1438 	int ret = 0;
1439 
1440 	if (!smu->ppt_funcs->get_thermal_temperature_range)
1441 		return 0;
1442 
1443 	ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1444 	if (ret)
1445 		return ret;
1446 
1447 	adev->pm.dpm.thermal.min_temp = range->min;
1448 	adev->pm.dpm.thermal.max_temp = range->max;
1449 	adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1450 	adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1451 	adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1452 	adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1453 	adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1454 	adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1455 	adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1456 
1457 	return ret;
1458 }
1459 
1460 /**
1461  * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1462  *
1463  * @smu: smu_context pointer
1464  *
1465  * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1466  * Returns 0 on success, error on failure.
1467  */
smu_wbrf_handle_exclusion_ranges(struct smu_context * smu)1468 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1469 {
1470 	struct wbrf_ranges_in_out wbrf_exclusion = {0};
1471 	struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1472 	struct amdgpu_device *adev = smu->adev;
1473 	uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1474 	uint64_t start, end;
1475 	int ret, i, j;
1476 
1477 	ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1478 	if (ret) {
1479 		dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1480 		return ret;
1481 	}
1482 
1483 	/*
1484 	 * The exclusion ranges array we got might be filled with holes and duplicate
1485 	 * entries. For example:
1486 	 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1487 	 * We need to do some sortups to eliminate those holes and duplicate entries.
1488 	 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1489 	 */
1490 	for (i = 0; i < num_of_wbrf_ranges; i++) {
1491 		start = wifi_bands[i].start;
1492 		end = wifi_bands[i].end;
1493 
1494 		/* get the last valid entry to fill the intermediate hole */
1495 		if (!start && !end) {
1496 			for (j = num_of_wbrf_ranges - 1; j > i; j--)
1497 				if (wifi_bands[j].start && wifi_bands[j].end)
1498 					break;
1499 
1500 			/* no valid entry left */
1501 			if (j <= i)
1502 				break;
1503 
1504 			start = wifi_bands[i].start = wifi_bands[j].start;
1505 			end = wifi_bands[i].end = wifi_bands[j].end;
1506 			wifi_bands[j].start = 0;
1507 			wifi_bands[j].end = 0;
1508 			num_of_wbrf_ranges = j;
1509 		}
1510 
1511 		/* eliminate duplicate entries */
1512 		for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1513 			if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1514 				wifi_bands[j].start = 0;
1515 				wifi_bands[j].end = 0;
1516 			}
1517 		}
1518 	}
1519 
1520 	/* Send the sorted wifi_bands to PMFW */
1521 	ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1522 	/* Try to set the wifi_bands again */
1523 	if (unlikely(ret == -EBUSY)) {
1524 		mdelay(5);
1525 		ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1526 	}
1527 
1528 	return ret;
1529 }
1530 
1531 /**
1532  * smu_wbrf_event_handler - handle notify events
1533  *
1534  * @nb: notifier block
1535  * @action: event type
1536  * @_arg: event data
1537  *
1538  * Calls relevant amdgpu function in response to wbrf event
1539  * notification from kernel.
1540  */
smu_wbrf_event_handler(struct notifier_block * nb,unsigned long action,void * _arg)1541 static int smu_wbrf_event_handler(struct notifier_block *nb,
1542 				  unsigned long action, void *_arg)
1543 {
1544 	struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1545 
1546 	switch (action) {
1547 	case WBRF_CHANGED:
1548 		schedule_delayed_work(&smu->wbrf_delayed_work,
1549 				      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1550 		break;
1551 	default:
1552 		return NOTIFY_DONE;
1553 	}
1554 
1555 	return NOTIFY_OK;
1556 }
1557 
1558 /**
1559  * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1560  *
1561  * @work: struct work_struct pointer
1562  *
1563  * Flood is over and driver will consume the latest exclusion ranges.
1564  */
smu_wbrf_delayed_work_handler(struct work_struct * work)1565 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1566 {
1567 	struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1568 
1569 	smu_wbrf_handle_exclusion_ranges(smu);
1570 }
1571 
1572 /**
1573  * smu_wbrf_support_check - check wbrf support
1574  *
1575  * @smu: smu_context pointer
1576  *
1577  * Verifies the ACPI interface whether wbrf is supported.
1578  */
smu_wbrf_support_check(struct smu_context * smu)1579 static void smu_wbrf_support_check(struct smu_context *smu)
1580 {
1581 	struct amdgpu_device *adev = smu->adev;
1582 
1583 	smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1584 							acpi_amd_wbrf_supported_consumer(adev->dev);
1585 
1586 	if (smu->wbrf_supported)
1587 		dev_info(adev->dev, "RF interference mitigation is supported\n");
1588 }
1589 
1590 /**
1591  * smu_wbrf_init - init driver wbrf support
1592  *
1593  * @smu: smu_context pointer
1594  *
1595  * Verifies the AMD ACPI interfaces and registers with the wbrf
1596  * notifier chain if wbrf feature is supported.
1597  * Returns 0 on success, error on failure.
1598  */
smu_wbrf_init(struct smu_context * smu)1599 static int smu_wbrf_init(struct smu_context *smu)
1600 {
1601 	int ret;
1602 
1603 	if (!smu->wbrf_supported)
1604 		return 0;
1605 
1606 	INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1607 
1608 	smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1609 	ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1610 	if (ret)
1611 		return ret;
1612 
1613 	/*
1614 	 * Some wifiband exclusion ranges may be already there
1615 	 * before our driver loaded. To make sure our driver
1616 	 * is awared of those exclusion ranges.
1617 	 */
1618 	schedule_delayed_work(&smu->wbrf_delayed_work,
1619 			      msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1620 
1621 	return 0;
1622 }
1623 
1624 /**
1625  * smu_wbrf_fini - tear down driver wbrf support
1626  *
1627  * @smu: smu_context pointer
1628  *
1629  * Unregisters with the wbrf notifier chain.
1630  */
smu_wbrf_fini(struct smu_context * smu)1631 static void smu_wbrf_fini(struct smu_context *smu)
1632 {
1633 	if (!smu->wbrf_supported)
1634 		return;
1635 
1636 	amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1637 
1638 	cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1639 }
1640 
smu_smc_hw_setup(struct smu_context * smu)1641 static int smu_smc_hw_setup(struct smu_context *smu)
1642 {
1643 	struct smu_feature *feature = &smu->smu_feature;
1644 	struct amdgpu_device *adev = smu->adev;
1645 	uint8_t pcie_gen = 0, pcie_width = 0;
1646 	uint64_t features_supported;
1647 	int ret = 0;
1648 
1649 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1650 	case IP_VERSION(11, 0, 7):
1651 	case IP_VERSION(11, 0, 11):
1652 	case IP_VERSION(11, 5, 0):
1653 	case IP_VERSION(11, 5, 2):
1654 	case IP_VERSION(11, 0, 12):
1655 		if (adev->in_suspend && smu_is_dpm_running(smu)) {
1656 			dev_info(adev->dev, "dpm has been enabled\n");
1657 			ret = smu_system_features_control(smu, true);
1658 			if (ret)
1659 				dev_err(adev->dev, "Failed system features control!\n");
1660 			return ret;
1661 		}
1662 		break;
1663 	default:
1664 		break;
1665 	}
1666 
1667 	ret = smu_init_display_count(smu, 0);
1668 	if (ret) {
1669 		dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1670 		return ret;
1671 	}
1672 
1673 	ret = smu_set_driver_table_location(smu);
1674 	if (ret) {
1675 		dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1676 		return ret;
1677 	}
1678 
1679 	/*
1680 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1681 	 */
1682 	ret = smu_set_tool_table_location(smu);
1683 	if (ret) {
1684 		dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1685 		return ret;
1686 	}
1687 
1688 	/*
1689 	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1690 	 * pool location.
1691 	 */
1692 	ret = smu_notify_memory_pool_location(smu);
1693 	if (ret) {
1694 		dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1695 		return ret;
1696 	}
1697 
1698 	/*
1699 	 * It is assumed the pptable used before runpm is same as
1700 	 * the one used afterwards. Thus, we can reuse the stored
1701 	 * copy and do not need to resetup the pptable again.
1702 	 */
1703 	if (!adev->in_runpm) {
1704 		ret = smu_setup_pptable(smu);
1705 		if (ret) {
1706 			dev_err(adev->dev, "Failed to setup pptable!\n");
1707 			return ret;
1708 		}
1709 	}
1710 
1711 	/* smu_dump_pptable(smu); */
1712 
1713 	/*
1714 	 * With SCPM enabled, PSP is responsible for the PPTable transferring
1715 	 * (to SMU). Driver involvement is not needed and permitted.
1716 	 */
1717 	if (!adev->scpm_enabled) {
1718 		/*
1719 		 * Copy pptable bo in the vram to smc with SMU MSGs such as
1720 		 * SetDriverDramAddr and TransferTableDram2Smu.
1721 		 */
1722 		ret = smu_write_pptable(smu);
1723 		if (ret) {
1724 			dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1725 			return ret;
1726 		}
1727 	}
1728 
1729 	/* issue Run*Btc msg */
1730 	ret = smu_run_btc(smu);
1731 	if (ret)
1732 		return ret;
1733 
1734 	/* Enable UclkShadow on wbrf supported */
1735 	if (smu->wbrf_supported) {
1736 		ret = smu_enable_uclk_shadow(smu, true);
1737 		if (ret) {
1738 			dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1739 			return ret;
1740 		}
1741 	}
1742 
1743 	/*
1744 	 * With SCPM enabled, these actions(and relevant messages) are
1745 	 * not needed and permitted.
1746 	 */
1747 	if (!adev->scpm_enabled) {
1748 		ret = smu_feature_set_allowed_mask(smu);
1749 		if (ret) {
1750 			dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1751 			return ret;
1752 		}
1753 	}
1754 
1755 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5)
1756 		pcie_gen = 4;
1757 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1758 		pcie_gen = 3;
1759 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1760 		pcie_gen = 2;
1761 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1762 		pcie_gen = 1;
1763 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1764 		pcie_gen = 0;
1765 
1766 	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1767 	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1768 	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
1769 	 */
1770 	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32)
1771 		pcie_width = 7;
1772 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1773 		pcie_width = 6;
1774 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1775 		pcie_width = 5;
1776 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1777 		pcie_width = 4;
1778 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1779 		pcie_width = 3;
1780 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1781 		pcie_width = 2;
1782 	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1783 		pcie_width = 1;
1784 	ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1785 	if (ret) {
1786 		dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1787 		return ret;
1788 	}
1789 
1790 	ret = smu_system_features_control(smu, true);
1791 	if (ret) {
1792 		dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1793 		return ret;
1794 	}
1795 
1796 	smu_init_xgmi_plpd_mode(smu);
1797 
1798 	ret = smu_feature_get_enabled_mask(smu, &features_supported);
1799 	if (ret) {
1800 		dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1801 		return ret;
1802 	}
1803 	bitmap_copy(feature->supported,
1804 		    (unsigned long *)&features_supported,
1805 		    feature->feature_num);
1806 
1807 	if (!smu_is_dpm_running(smu))
1808 		dev_info(adev->dev, "dpm has been disabled\n");
1809 
1810 	/*
1811 	 * Set initialized values (get from vbios) to dpm tables context such as
1812 	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1813 	 * type of clks.
1814 	 */
1815 	ret = smu_set_default_dpm_table(smu);
1816 	if (ret) {
1817 		dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1818 		return ret;
1819 	}
1820 
1821 	ret = smu_get_thermal_temperature_range(smu);
1822 	if (ret) {
1823 		dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1824 		return ret;
1825 	}
1826 
1827 	ret = smu_enable_thermal_alert(smu);
1828 	if (ret) {
1829 	  dev_err(adev->dev, "Failed to enable thermal alert!\n");
1830 	  return ret;
1831 	}
1832 
1833 	ret = smu_notify_display_change(smu);
1834 	if (ret) {
1835 		dev_err(adev->dev, "Failed to notify display change!\n");
1836 		return ret;
1837 	}
1838 
1839 	/*
1840 	 * Set min deep sleep dce fclk with bootup value from vbios via
1841 	 * SetMinDeepSleepDcefclk MSG.
1842 	 */
1843 	ret = smu_set_min_dcef_deep_sleep(smu,
1844 					  smu->smu_table.boot_values.dcefclk / 100);
1845 	if (ret) {
1846 		dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1847 		return ret;
1848 	}
1849 
1850 	/* Init wbrf support. Properly setup the notifier */
1851 	ret = smu_wbrf_init(smu);
1852 	if (ret)
1853 		dev_err(adev->dev, "Error during wbrf init call\n");
1854 
1855 	return ret;
1856 }
1857 
smu_start_smc_engine(struct smu_context * smu)1858 static int smu_start_smc_engine(struct smu_context *smu)
1859 {
1860 	struct amdgpu_device *adev = smu->adev;
1861 	int ret = 0;
1862 
1863 	if (amdgpu_virt_xgmi_migrate_enabled(adev))
1864 		smu_update_gpu_addresses(smu);
1865 
1866 	smu->smc_fw_state = SMU_FW_INIT;
1867 
1868 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1869 		if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1870 			if (smu->ppt_funcs->load_microcode) {
1871 				ret = smu->ppt_funcs->load_microcode(smu);
1872 				if (ret)
1873 					return ret;
1874 			}
1875 		}
1876 	}
1877 
1878 	if (smu->ppt_funcs->check_fw_status) {
1879 		ret = smu->ppt_funcs->check_fw_status(smu);
1880 		if (ret) {
1881 			dev_err(adev->dev, "SMC is not ready\n");
1882 			return ret;
1883 		}
1884 	}
1885 
1886 	/*
1887 	 * Send msg GetDriverIfVersion to check if the return value is equal
1888 	 * with DRIVER_IF_VERSION of smc header.
1889 	 */
1890 	ret = smu_check_fw_version(smu);
1891 	if (ret)
1892 		return ret;
1893 
1894 	return ret;
1895 }
1896 
smu_hw_init(struct amdgpu_ip_block * ip_block)1897 static int smu_hw_init(struct amdgpu_ip_block *ip_block)
1898 {
1899 	int i, ret;
1900 	struct amdgpu_device *adev = ip_block->adev;
1901 	struct smu_context *smu = adev->powerplay.pp_handle;
1902 
1903 	if (amdgpu_sriov_multi_vf_mode(adev)) {
1904 		smu->pm_enabled = false;
1905 		return 0;
1906 	}
1907 
1908 	ret = smu_start_smc_engine(smu);
1909 	if (ret) {
1910 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
1911 		return ret;
1912 	}
1913 
1914 	/*
1915 	 * Check whether wbrf is supported. This needs to be done
1916 	 * before SMU setup starts since part of SMU configuration
1917 	 * relies on this.
1918 	 */
1919 	smu_wbrf_support_check(smu);
1920 
1921 	if (smu->is_apu) {
1922 		ret = smu_set_gfx_imu_enable(smu);
1923 		if (ret)
1924 			return ret;
1925 		for (i = 0; i < adev->vcn.num_vcn_inst; i++)
1926 			smu_dpm_set_vcn_enable(smu, true, i);
1927 		smu_dpm_set_jpeg_enable(smu, true);
1928 		smu_dpm_set_umsch_mm_enable(smu, true);
1929 		smu_set_mall_enable(smu);
1930 		smu_set_gfx_cgpg(smu, true);
1931 	}
1932 
1933 	if (!smu->pm_enabled)
1934 		return 0;
1935 
1936 	ret = smu_get_driver_allowed_feature_mask(smu);
1937 	if (ret)
1938 		return ret;
1939 
1940 	ret = smu_smc_hw_setup(smu);
1941 	if (ret) {
1942 		dev_err(adev->dev, "Failed to setup smc hw!\n");
1943 		return ret;
1944 	}
1945 
1946 	/*
1947 	 * Move maximum sustainable clock retrieving here considering
1948 	 * 1. It is not needed on resume(from S3).
1949 	 * 2. DAL settings come between .hw_init and .late_init of SMU.
1950 	 *    And DAL needs to know the maximum sustainable clocks. Thus
1951 	 *    it cannot be put in .late_init().
1952 	 */
1953 	ret = smu_init_max_sustainable_clocks(smu);
1954 	if (ret) {
1955 		dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1956 		return ret;
1957 	}
1958 
1959 	adev->pm.dpm_enabled = true;
1960 
1961 	dev_info(adev->dev, "SMU is initialized successfully!\n");
1962 
1963 	return 0;
1964 }
1965 
smu_disable_dpms(struct smu_context * smu)1966 static int smu_disable_dpms(struct smu_context *smu)
1967 {
1968 	struct amdgpu_device *adev = smu->adev;
1969 	int ret = 0;
1970 	bool use_baco = !smu->is_apu &&
1971 		((amdgpu_in_reset(adev) &&
1972 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1973 		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1974 
1975 	/*
1976 	 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1977 	 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1978 	 */
1979 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1980 	case IP_VERSION(13, 0, 0):
1981 	case IP_VERSION(13, 0, 7):
1982 	case IP_VERSION(13, 0, 10):
1983 	case IP_VERSION(14, 0, 2):
1984 	case IP_VERSION(14, 0, 3):
1985 		return 0;
1986 	default:
1987 		break;
1988 	}
1989 
1990 	/*
1991 	 * For custom pptable uploading, skip the DPM features
1992 	 * disable process on Navi1x ASICs.
1993 	 *   - As the gfx related features are under control of
1994 	 *     RLC on those ASICs. RLC reinitialization will be
1995 	 *     needed to reenable them. That will cost much more
1996 	 *     efforts.
1997 	 *
1998 	 *   - SMU firmware can handle the DPM reenablement
1999 	 *     properly.
2000 	 */
2001 	if (smu->uploading_custom_pp_table) {
2002 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2003 		case IP_VERSION(11, 0, 0):
2004 		case IP_VERSION(11, 0, 5):
2005 		case IP_VERSION(11, 0, 9):
2006 		case IP_VERSION(11, 0, 7):
2007 		case IP_VERSION(11, 0, 11):
2008 		case IP_VERSION(11, 5, 0):
2009 		case IP_VERSION(11, 5, 2):
2010 		case IP_VERSION(11, 0, 12):
2011 		case IP_VERSION(11, 0, 13):
2012 			return 0;
2013 		default:
2014 			break;
2015 		}
2016 	}
2017 
2018 	/*
2019 	 * For Sienna_Cichlid, PMFW will handle the features disablement properly
2020 	 * on BACO in. Driver involvement is unnecessary.
2021 	 */
2022 	if (use_baco) {
2023 		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2024 		case IP_VERSION(11, 0, 7):
2025 		case IP_VERSION(11, 0, 0):
2026 		case IP_VERSION(11, 0, 5):
2027 		case IP_VERSION(11, 0, 9):
2028 		case IP_VERSION(13, 0, 7):
2029 			return 0;
2030 		default:
2031 			break;
2032 		}
2033 	}
2034 
2035 	/*
2036 	 * For GFX11 and subsequent APUs, PMFW will handle the features disablement properly
2037 	 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
2038 	 */
2039 	if (IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) >= 11 &&
2040 	    smu->is_apu && (amdgpu_in_reset(adev) || adev->in_s0ix))
2041 		return 0;
2042 
2043 	/* vangogh s0ix */
2044 	if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(11, 5, 0) ||
2045 	     amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(11, 5, 2)) &&
2046 	    adev->in_s0ix)
2047 		return 0;
2048 
2049 	/*
2050 	 * For gpu reset, runpm and hibernation through BACO,
2051 	 * BACO feature has to be kept enabled.
2052 	 */
2053 	if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
2054 		ret = smu_disable_all_features_with_exception(smu,
2055 							      SMU_FEATURE_BACO_BIT);
2056 		if (ret)
2057 			dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
2058 	} else {
2059 		/* DisableAllSmuFeatures message is not permitted with SCPM enabled */
2060 		if (!adev->scpm_enabled) {
2061 			ret = smu_system_features_control(smu, false);
2062 			if (ret)
2063 				dev_err(adev->dev, "Failed to disable smu features.\n");
2064 		}
2065 	}
2066 
2067 	/* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
2068 	 * otherwise SMU will hang while interacting with RLC if RLC is halted
2069 	 * this is a WA for Vangogh asic which fix the SMU hang issue.
2070 	 */
2071 	ret = smu_notify_rlc_state(smu, false);
2072 	if (ret) {
2073 		dev_err(adev->dev, "Fail to notify rlc status!\n");
2074 		return ret;
2075 	}
2076 
2077 	if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
2078 	    !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
2079 	    !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
2080 		adev->gfx.rlc.funcs->stop(adev);
2081 
2082 	return ret;
2083 }
2084 
smu_smc_hw_cleanup(struct smu_context * smu)2085 static int smu_smc_hw_cleanup(struct smu_context *smu)
2086 {
2087 	struct amdgpu_device *adev = smu->adev;
2088 	int ret = 0;
2089 
2090 	smu_wbrf_fini(smu);
2091 
2092 	cancel_work_sync(&smu->throttling_logging_work);
2093 	cancel_work_sync(&smu->interrupt_work);
2094 
2095 	ret = smu_disable_thermal_alert(smu);
2096 	if (ret) {
2097 		dev_err(adev->dev, "Fail to disable thermal alert!\n");
2098 		return ret;
2099 	}
2100 
2101 	cancel_delayed_work_sync(&smu->swctf_delayed_work);
2102 
2103 	ret = smu_disable_dpms(smu);
2104 	if (ret) {
2105 		dev_err(adev->dev, "Fail to disable dpm features!\n");
2106 		return ret;
2107 	}
2108 
2109 	return 0;
2110 }
2111 
smu_reset_mp1_state(struct smu_context * smu)2112 static int smu_reset_mp1_state(struct smu_context *smu)
2113 {
2114 	struct amdgpu_device *adev = smu->adev;
2115 	int ret = 0;
2116 
2117 	if ((!adev->in_runpm) && (!adev->in_suspend) &&
2118 		(!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
2119 									IP_VERSION(13, 0, 10) &&
2120 		!amdgpu_device_has_display_hardware(adev))
2121 		ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
2122 
2123 	return ret;
2124 }
2125 
smu_hw_fini(struct amdgpu_ip_block * ip_block)2126 static int smu_hw_fini(struct amdgpu_ip_block *ip_block)
2127 {
2128 	struct amdgpu_device *adev = ip_block->adev;
2129 	struct smu_context *smu = adev->powerplay.pp_handle;
2130 	int i, ret;
2131 
2132 	if (amdgpu_sriov_multi_vf_mode(adev))
2133 		return 0;
2134 
2135 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2136 		smu_dpm_set_vcn_enable(smu, false, i);
2137 		adev->vcn.inst[i].cur_state = AMD_PG_STATE_GATE;
2138 	}
2139 	smu_dpm_set_jpeg_enable(smu, false);
2140 	adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2141 	smu_dpm_set_umsch_mm_enable(smu, false);
2142 
2143 	if (!smu->pm_enabled)
2144 		return 0;
2145 
2146 	adev->pm.dpm_enabled = false;
2147 
2148 	ret = smu_smc_hw_cleanup(smu);
2149 	if (ret)
2150 		return ret;
2151 
2152 	ret = smu_reset_mp1_state(smu);
2153 	if (ret)
2154 		return ret;
2155 
2156 	return 0;
2157 }
2158 
smu_late_fini(struct amdgpu_ip_block * ip_block)2159 static void smu_late_fini(struct amdgpu_ip_block *ip_block)
2160 {
2161 	struct amdgpu_device *adev = ip_block->adev;
2162 	struct smu_context *smu = adev->powerplay.pp_handle;
2163 
2164 	kfree(smu);
2165 }
2166 
smu_reset(struct smu_context * smu)2167 static int smu_reset(struct smu_context *smu)
2168 {
2169 	struct amdgpu_device *adev = smu->adev;
2170 	struct amdgpu_ip_block *ip_block;
2171 	int ret;
2172 
2173 	ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC);
2174 	if (!ip_block)
2175 		return -EINVAL;
2176 
2177 	ret = smu_hw_fini(ip_block);
2178 	if (ret)
2179 		return ret;
2180 
2181 	ret = smu_hw_init(ip_block);
2182 	if (ret)
2183 		return ret;
2184 
2185 	ret = smu_late_init(ip_block);
2186 	if (ret)
2187 		return ret;
2188 
2189 	return 0;
2190 }
2191 
smu_suspend(struct amdgpu_ip_block * ip_block)2192 static int smu_suspend(struct amdgpu_ip_block *ip_block)
2193 {
2194 	struct amdgpu_device *adev = ip_block->adev;
2195 	struct smu_context *smu = adev->powerplay.pp_handle;
2196 	int ret;
2197 	uint64_t count;
2198 
2199 	if (amdgpu_sriov_multi_vf_mode(adev))
2200 		return 0;
2201 
2202 	if (!smu->pm_enabled)
2203 		return 0;
2204 
2205 	adev->pm.dpm_enabled = false;
2206 
2207 	ret = smu_smc_hw_cleanup(smu);
2208 	if (ret)
2209 		return ret;
2210 
2211 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2212 
2213 	smu_set_gfx_cgpg(smu, false);
2214 
2215 	/*
2216 	 * pwfw resets entrycount when device is suspended, so we save the
2217 	 * last value to be used when we resume to keep it consistent
2218 	 */
2219 	ret = smu_get_entrycount_gfxoff(smu, &count);
2220 	if (!ret)
2221 		adev->gfx.gfx_off_entrycount = count;
2222 
2223 	/* clear this on suspend so it will get reprogrammed on resume */
2224 	smu->workload_mask = 0;
2225 
2226 	return 0;
2227 }
2228 
smu_resume(struct amdgpu_ip_block * ip_block)2229 static int smu_resume(struct amdgpu_ip_block *ip_block)
2230 {
2231 	int ret;
2232 	struct amdgpu_device *adev = ip_block->adev;
2233 	struct smu_context *smu = adev->powerplay.pp_handle;
2234 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2235 
2236 	if (amdgpu_sriov_multi_vf_mode(adev))
2237 		return 0;
2238 
2239 	if (!smu->pm_enabled)
2240 		return 0;
2241 
2242 	dev_info(adev->dev, "SMU is resuming...\n");
2243 
2244 	ret = smu_start_smc_engine(smu);
2245 	if (ret) {
2246 		dev_err(adev->dev, "SMC engine is not correctly up!\n");
2247 		return ret;
2248 	}
2249 
2250 	ret = smu_smc_hw_setup(smu);
2251 	if (ret) {
2252 		dev_err(adev->dev, "Failed to setup smc hw!\n");
2253 		return ret;
2254 	}
2255 
2256 	ret = smu_set_gfx_imu_enable(smu);
2257 	if (ret)
2258 		return ret;
2259 
2260 	smu_set_gfx_cgpg(smu, true);
2261 
2262 	smu->disable_uclk_switch = 0;
2263 
2264 	adev->pm.dpm_enabled = true;
2265 
2266 	if (smu->current_power_limit) {
2267 		ret = smu_set_power_limit(smu, smu->current_power_limit);
2268 		if (ret && ret != -EOPNOTSUPP)
2269 			return ret;
2270 	}
2271 
2272 	if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL && smu->od_enabled) {
2273 		ret = smu_od_edit_dpm_table(smu, PP_OD_COMMIT_DPM_TABLE, NULL, 0);
2274 		if (ret)
2275 			return ret;
2276 	}
2277 
2278 	dev_info(adev->dev, "SMU is resumed successfully!\n");
2279 
2280 	return 0;
2281 }
2282 
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)2283 static int smu_display_configuration_change(void *handle,
2284 					    const struct amd_pp_display_configuration *display_config)
2285 {
2286 	struct smu_context *smu = handle;
2287 
2288 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2289 		return -EOPNOTSUPP;
2290 
2291 	if (!display_config)
2292 		return -EINVAL;
2293 
2294 	smu_set_min_dcef_deep_sleep(smu,
2295 				    display_config->min_dcef_deep_sleep_set_clk / 100);
2296 
2297 	return 0;
2298 }
2299 
smu_set_clockgating_state(struct amdgpu_ip_block * ip_block,enum amd_clockgating_state state)2300 static int smu_set_clockgating_state(struct amdgpu_ip_block *ip_block,
2301 				     enum amd_clockgating_state state)
2302 {
2303 	return 0;
2304 }
2305 
smu_set_powergating_state(struct amdgpu_ip_block * ip_block,enum amd_powergating_state state)2306 static int smu_set_powergating_state(struct amdgpu_ip_block *ip_block,
2307 				     enum amd_powergating_state state)
2308 {
2309 	return 0;
2310 }
2311 
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)2312 static int smu_enable_umd_pstate(void *handle,
2313 		      enum amd_dpm_forced_level *level)
2314 {
2315 	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2316 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2317 					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2318 					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2319 
2320 	struct smu_context *smu = (struct smu_context*)(handle);
2321 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2322 
2323 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2324 		return -EINVAL;
2325 
2326 	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2327 		/* enter umd pstate, save current level, disable gfx cg*/
2328 		if (*level & profile_mode_mask) {
2329 			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2330 			smu_gpo_control(smu, false);
2331 			smu_gfx_ulv_control(smu, false);
2332 			smu_deep_sleep_control(smu, false);
2333 			amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2334 		}
2335 	} else {
2336 		/* exit umd pstate, restore level, enable gfx cg*/
2337 		if (!(*level & profile_mode_mask)) {
2338 			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2339 				*level = smu_dpm_ctx->saved_dpm_level;
2340 			amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2341 			smu_deep_sleep_control(smu, true);
2342 			smu_gfx_ulv_control(smu, true);
2343 			smu_gpo_control(smu, true);
2344 		}
2345 	}
2346 
2347 	return 0;
2348 }
2349 
smu_bump_power_profile_mode(struct smu_context * smu,long * custom_params,u32 custom_params_max_idx)2350 static int smu_bump_power_profile_mode(struct smu_context *smu,
2351 				       long *custom_params,
2352 				       u32 custom_params_max_idx)
2353 {
2354 	u32 workload_mask = 0;
2355 	int i, ret = 0;
2356 
2357 	for (i = 0; i < PP_SMC_POWER_PROFILE_COUNT; i++) {
2358 		if (smu->workload_refcount[i])
2359 			workload_mask |= 1 << i;
2360 	}
2361 
2362 	if (smu->workload_mask == workload_mask)
2363 		return 0;
2364 
2365 	if (smu->ppt_funcs->set_power_profile_mode)
2366 		ret = smu->ppt_funcs->set_power_profile_mode(smu, workload_mask,
2367 							     custom_params,
2368 							     custom_params_max_idx);
2369 
2370 	if (!ret)
2371 		smu->workload_mask = workload_mask;
2372 
2373 	return ret;
2374 }
2375 
smu_power_profile_mode_get(struct smu_context * smu,enum PP_SMC_POWER_PROFILE profile_mode)2376 static void smu_power_profile_mode_get(struct smu_context *smu,
2377 				       enum PP_SMC_POWER_PROFILE profile_mode)
2378 {
2379 	smu->workload_refcount[profile_mode]++;
2380 }
2381 
smu_power_profile_mode_put(struct smu_context * smu,enum PP_SMC_POWER_PROFILE profile_mode)2382 static void smu_power_profile_mode_put(struct smu_context *smu,
2383 				       enum PP_SMC_POWER_PROFILE profile_mode)
2384 {
2385 	if (smu->workload_refcount[profile_mode])
2386 		smu->workload_refcount[profile_mode]--;
2387 }
2388 
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings)2389 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2390 					  enum amd_dpm_forced_level level,
2391 					  bool skip_display_settings)
2392 {
2393 	int ret = 0;
2394 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2395 
2396 	if (!skip_display_settings) {
2397 		ret = smu_display_config_changed(smu);
2398 		if (ret) {
2399 			dev_err(smu->adev->dev, "Failed to change display config!");
2400 			return ret;
2401 		}
2402 	}
2403 
2404 	ret = smu_apply_clocks_adjust_rules(smu);
2405 	if (ret) {
2406 		dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2407 		return ret;
2408 	}
2409 
2410 	if (!skip_display_settings) {
2411 		ret = smu_notify_smc_display_config(smu);
2412 		if (ret) {
2413 			dev_err(smu->adev->dev, "Failed to notify smc display config!");
2414 			return ret;
2415 		}
2416 	}
2417 
2418 	if (smu_dpm_ctx->dpm_level != level) {
2419 		ret = smu_asic_set_performance_level(smu, level);
2420 		if (ret) {
2421 			if (ret == -EOPNOTSUPP)
2422 				dev_info(smu->adev->dev, "set performance level %d not supported",
2423 						level);
2424 			else
2425 				dev_err(smu->adev->dev, "Failed to set performance level %d",
2426 						level);
2427 			return ret;
2428 		}
2429 
2430 		/* update the saved copy */
2431 		smu_dpm_ctx->dpm_level = level;
2432 	}
2433 
2434 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2435 	    smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2436 		smu_bump_power_profile_mode(smu, NULL, 0);
2437 
2438 	return ret;
2439 }
2440 
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)2441 static int smu_handle_task(struct smu_context *smu,
2442 			   enum amd_dpm_forced_level level,
2443 			   enum amd_pp_task task_id)
2444 {
2445 	int ret = 0;
2446 
2447 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2448 		return -EOPNOTSUPP;
2449 
2450 	switch (task_id) {
2451 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2452 		ret = smu_pre_display_config_changed(smu);
2453 		if (ret)
2454 			return ret;
2455 		ret = smu_adjust_power_state_dynamic(smu, level, false);
2456 		break;
2457 	case AMD_PP_TASK_COMPLETE_INIT:
2458 		ret = smu_adjust_power_state_dynamic(smu, level, true);
2459 		break;
2460 	case AMD_PP_TASK_READJUST_POWER_STATE:
2461 		ret = smu_adjust_power_state_dynamic(smu, level, true);
2462 		break;
2463 	default:
2464 		break;
2465 	}
2466 
2467 	return ret;
2468 }
2469 
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)2470 static int smu_handle_dpm_task(void *handle,
2471 			       enum amd_pp_task task_id,
2472 			       enum amd_pm_state_type *user_state)
2473 {
2474 	struct smu_context *smu = handle;
2475 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2476 
2477 	return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2478 
2479 }
2480 
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool enable)2481 static int smu_switch_power_profile(void *handle,
2482 				    enum PP_SMC_POWER_PROFILE type,
2483 				    bool enable)
2484 {
2485 	struct smu_context *smu = handle;
2486 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2487 	int ret;
2488 
2489 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2490 		return -EOPNOTSUPP;
2491 
2492 	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2493 		return -EINVAL;
2494 
2495 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2496 	    smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2497 		if (enable)
2498 			smu_power_profile_mode_get(smu, type);
2499 		else
2500 			smu_power_profile_mode_put(smu, type);
2501 		/* don't switch the active workload when paused */
2502 		if (smu->pause_workload)
2503 			ret = 0;
2504 		else
2505 			ret = smu_bump_power_profile_mode(smu, NULL, 0);
2506 		if (ret) {
2507 			if (enable)
2508 				smu_power_profile_mode_put(smu, type);
2509 			else
2510 				smu_power_profile_mode_get(smu, type);
2511 			return ret;
2512 		}
2513 	}
2514 
2515 	return 0;
2516 }
2517 
smu_pause_power_profile(void * handle,bool pause)2518 static int smu_pause_power_profile(void *handle,
2519 				   bool pause)
2520 {
2521 	struct smu_context *smu = handle;
2522 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2523 	u32 workload_mask = 1 << PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
2524 	int ret;
2525 
2526 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2527 		return -EOPNOTSUPP;
2528 
2529 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2530 	    smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2531 		smu->pause_workload = pause;
2532 
2533 		/* force to bootup default profile */
2534 		if (smu->pause_workload && smu->ppt_funcs->set_power_profile_mode)
2535 			ret = smu->ppt_funcs->set_power_profile_mode(smu,
2536 								     workload_mask,
2537 								     NULL,
2538 								     0);
2539 		else
2540 			ret = smu_bump_power_profile_mode(smu, NULL, 0);
2541 		return ret;
2542 	}
2543 
2544 	return 0;
2545 }
2546 
smu_get_performance_level(void * handle)2547 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2548 {
2549 	struct smu_context *smu = handle;
2550 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2551 
2552 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2553 		return -EOPNOTSUPP;
2554 
2555 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2556 		return -EINVAL;
2557 
2558 	return smu_dpm_ctx->dpm_level;
2559 }
2560 
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)2561 static int smu_force_performance_level(void *handle,
2562 				       enum amd_dpm_forced_level level)
2563 {
2564 	struct smu_context *smu = handle;
2565 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2566 	int ret = 0;
2567 
2568 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2569 		return -EOPNOTSUPP;
2570 
2571 	if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2572 		return -EINVAL;
2573 
2574 	ret = smu_enable_umd_pstate(smu, &level);
2575 	if (ret)
2576 		return ret;
2577 
2578 	ret = smu_handle_task(smu, level,
2579 			      AMD_PP_TASK_READJUST_POWER_STATE);
2580 
2581 	/* reset user dpm clock state */
2582 	if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2583 		memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2584 		smu->user_dpm_profile.clk_dependency = 0;
2585 	}
2586 
2587 	return ret;
2588 }
2589 
smu_set_display_count(void * handle,uint32_t count)2590 static int smu_set_display_count(void *handle, uint32_t count)
2591 {
2592 	struct smu_context *smu = handle;
2593 
2594 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2595 		return -EOPNOTSUPP;
2596 
2597 	return smu_init_display_count(smu, count);
2598 }
2599 
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2600 static int smu_force_smuclk_levels(struct smu_context *smu,
2601 			 enum smu_clk_type clk_type,
2602 			 uint32_t mask)
2603 {
2604 	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2605 	int ret = 0;
2606 
2607 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2608 		return -EOPNOTSUPP;
2609 
2610 	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2611 		dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2612 		return -EINVAL;
2613 	}
2614 
2615 	if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2616 		ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2617 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2618 			smu->user_dpm_profile.clk_mask[clk_type] = mask;
2619 			smu_set_user_clk_dependencies(smu, clk_type);
2620 		}
2621 	}
2622 
2623 	return ret;
2624 }
2625 
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2626 static int smu_force_ppclk_levels(void *handle,
2627 				  enum pp_clock_type type,
2628 				  uint32_t mask)
2629 {
2630 	struct smu_context *smu = handle;
2631 	enum smu_clk_type clk_type;
2632 
2633 	switch (type) {
2634 	case PP_SCLK:
2635 		clk_type = SMU_SCLK; break;
2636 	case PP_MCLK:
2637 		clk_type = SMU_MCLK; break;
2638 	case PP_PCIE:
2639 		clk_type = SMU_PCIE; break;
2640 	case PP_SOCCLK:
2641 		clk_type = SMU_SOCCLK; break;
2642 	case PP_FCLK:
2643 		clk_type = SMU_FCLK; break;
2644 	case PP_DCEFCLK:
2645 		clk_type = SMU_DCEFCLK; break;
2646 	case PP_VCLK:
2647 		clk_type = SMU_VCLK; break;
2648 	case PP_VCLK1:
2649 		clk_type = SMU_VCLK1; break;
2650 	case PP_DCLK:
2651 		clk_type = SMU_DCLK; break;
2652 	case PP_DCLK1:
2653 		clk_type = SMU_DCLK1; break;
2654 	case OD_SCLK:
2655 		clk_type = SMU_OD_SCLK; break;
2656 	case OD_MCLK:
2657 		clk_type = SMU_OD_MCLK; break;
2658 	case OD_VDDC_CURVE:
2659 		clk_type = SMU_OD_VDDC_CURVE; break;
2660 	case OD_RANGE:
2661 		clk_type = SMU_OD_RANGE; break;
2662 	default:
2663 		return -EINVAL;
2664 	}
2665 
2666 	return smu_force_smuclk_levels(smu, clk_type, mask);
2667 }
2668 
2669 /*
2670  * On system suspending or resetting, the dpm_enabled
2671  * flag will be cleared. So that those SMU services which
2672  * are not supported will be gated.
2673  * However, the mp1 state setting should still be granted
2674  * even if the dpm_enabled cleared.
2675  */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2676 static int smu_set_mp1_state(void *handle,
2677 			     enum pp_mp1_state mp1_state)
2678 {
2679 	struct smu_context *smu = handle;
2680 	int ret = 0;
2681 
2682 	if (!smu->pm_enabled)
2683 		return -EOPNOTSUPP;
2684 
2685 	if (smu->ppt_funcs &&
2686 	    smu->ppt_funcs->set_mp1_state)
2687 		ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2688 
2689 	return ret;
2690 }
2691 
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2692 static int smu_set_df_cstate(void *handle,
2693 			     enum pp_df_cstate state)
2694 {
2695 	struct smu_context *smu = handle;
2696 	int ret = 0;
2697 
2698 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2699 		return -EOPNOTSUPP;
2700 
2701 	if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2702 		return 0;
2703 
2704 	ret = smu->ppt_funcs->set_df_cstate(smu, state);
2705 	if (ret)
2706 		dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2707 
2708 	return ret;
2709 }
2710 
smu_write_watermarks_table(struct smu_context * smu)2711 int smu_write_watermarks_table(struct smu_context *smu)
2712 {
2713 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2714 		return -EOPNOTSUPP;
2715 
2716 	return smu_set_watermarks_table(smu, NULL);
2717 }
2718 
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2719 static int smu_set_watermarks_for_clock_ranges(void *handle,
2720 					       struct pp_smu_wm_range_sets *clock_ranges)
2721 {
2722 	struct smu_context *smu = handle;
2723 
2724 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2725 		return -EOPNOTSUPP;
2726 
2727 	if (smu->disable_watermark)
2728 		return 0;
2729 
2730 	return smu_set_watermarks_table(smu, clock_ranges);
2731 }
2732 
smu_set_ac_dc(struct smu_context * smu)2733 int smu_set_ac_dc(struct smu_context *smu)
2734 {
2735 	int ret = 0;
2736 
2737 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2738 		return -EOPNOTSUPP;
2739 
2740 	/* controlled by firmware */
2741 	if (smu->dc_controlled_by_gpio)
2742 		return 0;
2743 
2744 	ret = smu_set_power_source(smu,
2745 				   smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2746 				   SMU_POWER_SOURCE_DC);
2747 	if (ret)
2748 		dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2749 		       smu->adev->pm.ac_power ? "AC" : "DC");
2750 
2751 	return ret;
2752 }
2753 
2754 const struct amd_ip_funcs smu_ip_funcs = {
2755 	.name = "smu",
2756 	.early_init = smu_early_init,
2757 	.late_init = smu_late_init,
2758 	.sw_init = smu_sw_init,
2759 	.sw_fini = smu_sw_fini,
2760 	.hw_init = smu_hw_init,
2761 	.hw_fini = smu_hw_fini,
2762 	.late_fini = smu_late_fini,
2763 	.suspend = smu_suspend,
2764 	.resume = smu_resume,
2765 	.is_idle = NULL,
2766 	.check_soft_reset = NULL,
2767 	.wait_for_idle = NULL,
2768 	.soft_reset = NULL,
2769 	.set_clockgating_state = smu_set_clockgating_state,
2770 	.set_powergating_state = smu_set_powergating_state,
2771 };
2772 
2773 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2774 	.type = AMD_IP_BLOCK_TYPE_SMC,
2775 	.major = 11,
2776 	.minor = 0,
2777 	.rev = 0,
2778 	.funcs = &smu_ip_funcs,
2779 };
2780 
2781 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2782 	.type = AMD_IP_BLOCK_TYPE_SMC,
2783 	.major = 12,
2784 	.minor = 0,
2785 	.rev = 0,
2786 	.funcs = &smu_ip_funcs,
2787 };
2788 
2789 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2790 	.type = AMD_IP_BLOCK_TYPE_SMC,
2791 	.major = 13,
2792 	.minor = 0,
2793 	.rev = 0,
2794 	.funcs = &smu_ip_funcs,
2795 };
2796 
2797 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2798 	.type = AMD_IP_BLOCK_TYPE_SMC,
2799 	.major = 14,
2800 	.minor = 0,
2801 	.rev = 0,
2802 	.funcs = &smu_ip_funcs,
2803 };
2804 
smu_load_microcode(void * handle)2805 static int smu_load_microcode(void *handle)
2806 {
2807 	struct smu_context *smu = handle;
2808 	struct amdgpu_device *adev = smu->adev;
2809 	int ret = 0;
2810 
2811 	if (!smu->pm_enabled)
2812 		return -EOPNOTSUPP;
2813 
2814 	/* This should be used for non PSP loading */
2815 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2816 		return 0;
2817 
2818 	if (smu->ppt_funcs->load_microcode) {
2819 		ret = smu->ppt_funcs->load_microcode(smu);
2820 		if (ret) {
2821 			dev_err(adev->dev, "Load microcode failed\n");
2822 			return ret;
2823 		}
2824 	}
2825 
2826 	if (smu->ppt_funcs->check_fw_status) {
2827 		ret = smu->ppt_funcs->check_fw_status(smu);
2828 		if (ret) {
2829 			dev_err(adev->dev, "SMC is not ready\n");
2830 			return ret;
2831 		}
2832 	}
2833 
2834 	return ret;
2835 }
2836 
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2837 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2838 {
2839 	int ret = 0;
2840 
2841 	if (smu->ppt_funcs->set_gfx_cgpg)
2842 		ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2843 
2844 	return ret;
2845 }
2846 
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2847 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2848 {
2849 	struct smu_context *smu = handle;
2850 	int ret = 0;
2851 
2852 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2853 		return -EOPNOTSUPP;
2854 
2855 	if (!smu->ppt_funcs->set_fan_speed_rpm)
2856 		return -EOPNOTSUPP;
2857 
2858 	if (speed == U32_MAX)
2859 		return -EINVAL;
2860 
2861 	ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2862 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2863 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2864 		smu->user_dpm_profile.fan_speed_rpm = speed;
2865 
2866 		/* Override custom PWM setting as they cannot co-exist */
2867 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2868 		smu->user_dpm_profile.fan_speed_pwm = 0;
2869 	}
2870 
2871 	return ret;
2872 }
2873 
2874 /**
2875  * smu_get_power_limit - Request one of the SMU Power Limits
2876  *
2877  * @handle: pointer to smu context
2878  * @limit: requested limit is written back to this variable
2879  * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2880  * @pp_power_type: &pp_power_type type of power
2881  * Return:  0 on success, <0 on error
2882  *
2883  */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2884 int smu_get_power_limit(void *handle,
2885 			uint32_t *limit,
2886 			enum pp_power_limit_level pp_limit_level,
2887 			enum pp_power_type pp_power_type)
2888 {
2889 	struct smu_context *smu = handle;
2890 	struct amdgpu_device *adev = smu->adev;
2891 	enum smu_ppt_limit_level limit_level;
2892 	uint32_t limit_type;
2893 	int ret = 0;
2894 
2895 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2896 		return -EOPNOTSUPP;
2897 
2898 	switch (pp_power_type) {
2899 	case PP_PWR_TYPE_SUSTAINED:
2900 		limit_type = SMU_DEFAULT_PPT_LIMIT;
2901 		break;
2902 	case PP_PWR_TYPE_FAST:
2903 		limit_type = SMU_FAST_PPT_LIMIT;
2904 		break;
2905 	default:
2906 		return -EOPNOTSUPP;
2907 	}
2908 
2909 	switch (pp_limit_level) {
2910 	case PP_PWR_LIMIT_CURRENT:
2911 		limit_level = SMU_PPT_LIMIT_CURRENT;
2912 		break;
2913 	case PP_PWR_LIMIT_DEFAULT:
2914 		limit_level = SMU_PPT_LIMIT_DEFAULT;
2915 		break;
2916 	case PP_PWR_LIMIT_MAX:
2917 		limit_level = SMU_PPT_LIMIT_MAX;
2918 		break;
2919 	case PP_PWR_LIMIT_MIN:
2920 		limit_level = SMU_PPT_LIMIT_MIN;
2921 		break;
2922 	default:
2923 		return -EOPNOTSUPP;
2924 	}
2925 
2926 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2927 		if (smu->ppt_funcs->get_ppt_limit)
2928 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2929 	} else {
2930 		switch (limit_level) {
2931 		case SMU_PPT_LIMIT_CURRENT:
2932 			switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2933 			case IP_VERSION(13, 0, 2):
2934 			case IP_VERSION(13, 0, 6):
2935 			case IP_VERSION(13, 0, 12):
2936 			case IP_VERSION(13, 0, 14):
2937 			case IP_VERSION(11, 0, 7):
2938 			case IP_VERSION(11, 0, 11):
2939 			case IP_VERSION(11, 0, 12):
2940 			case IP_VERSION(11, 0, 13):
2941 				ret = smu_get_asic_power_limits(smu,
2942 								&smu->current_power_limit,
2943 								NULL, NULL, NULL);
2944 				break;
2945 			default:
2946 				break;
2947 			}
2948 			*limit = smu->current_power_limit;
2949 			break;
2950 		case SMU_PPT_LIMIT_DEFAULT:
2951 			*limit = smu->default_power_limit;
2952 			break;
2953 		case SMU_PPT_LIMIT_MAX:
2954 			*limit = smu->max_power_limit;
2955 			break;
2956 		case SMU_PPT_LIMIT_MIN:
2957 			*limit = smu->min_power_limit;
2958 			break;
2959 		default:
2960 			return -EINVAL;
2961 		}
2962 	}
2963 
2964 	return ret;
2965 }
2966 
smu_set_power_limit(void * handle,uint32_t limit)2967 static int smu_set_power_limit(void *handle, uint32_t limit)
2968 {
2969 	struct smu_context *smu = handle;
2970 	uint32_t limit_type = limit >> 24;
2971 	int ret = 0;
2972 
2973 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2974 		return -EOPNOTSUPP;
2975 
2976 	limit &= (1<<24)-1;
2977 	if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2978 		if (smu->ppt_funcs->set_power_limit)
2979 			return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2980 
2981 	if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2982 		dev_err(smu->adev->dev,
2983 			"New power limit (%d) is out of range [%d,%d]\n",
2984 			limit, smu->min_power_limit, smu->max_power_limit);
2985 		return -EINVAL;
2986 	}
2987 
2988 	if (!limit)
2989 		limit = smu->current_power_limit;
2990 
2991 	if (smu->ppt_funcs->set_power_limit) {
2992 		ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2993 		if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2994 			smu->user_dpm_profile.power_limit = limit;
2995 	}
2996 
2997 	return ret;
2998 }
2999 
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)3000 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
3001 {
3002 	int ret = 0;
3003 
3004 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3005 		return -EOPNOTSUPP;
3006 
3007 	if (smu->ppt_funcs->print_clk_levels)
3008 		ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
3009 
3010 	return ret;
3011 }
3012 
smu_convert_to_smuclk(enum pp_clock_type type)3013 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
3014 {
3015 	enum smu_clk_type clk_type;
3016 
3017 	switch (type) {
3018 	case PP_SCLK:
3019 		clk_type = SMU_SCLK; break;
3020 	case PP_MCLK:
3021 		clk_type = SMU_MCLK; break;
3022 	case PP_PCIE:
3023 		clk_type = SMU_PCIE; break;
3024 	case PP_SOCCLK:
3025 		clk_type = SMU_SOCCLK; break;
3026 	case PP_FCLK:
3027 		clk_type = SMU_FCLK; break;
3028 	case PP_DCEFCLK:
3029 		clk_type = SMU_DCEFCLK; break;
3030 	case PP_VCLK:
3031 		clk_type = SMU_VCLK; break;
3032 	case PP_VCLK1:
3033 		clk_type = SMU_VCLK1; break;
3034 	case PP_DCLK:
3035 		clk_type = SMU_DCLK; break;
3036 	case PP_DCLK1:
3037 		clk_type = SMU_DCLK1; break;
3038 	case PP_ISPICLK:
3039 		clk_type = SMU_ISPICLK;
3040 		break;
3041 	case PP_ISPXCLK:
3042 		clk_type = SMU_ISPXCLK;
3043 		break;
3044 	case OD_SCLK:
3045 		clk_type = SMU_OD_SCLK; break;
3046 	case OD_MCLK:
3047 		clk_type = SMU_OD_MCLK; break;
3048 	case OD_VDDC_CURVE:
3049 		clk_type = SMU_OD_VDDC_CURVE; break;
3050 	case OD_RANGE:
3051 		clk_type = SMU_OD_RANGE; break;
3052 	case OD_VDDGFX_OFFSET:
3053 		clk_type = SMU_OD_VDDGFX_OFFSET; break;
3054 	case OD_CCLK:
3055 		clk_type = SMU_OD_CCLK; break;
3056 	case OD_FAN_CURVE:
3057 		clk_type = SMU_OD_FAN_CURVE; break;
3058 	case OD_ACOUSTIC_LIMIT:
3059 		clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
3060 	case OD_ACOUSTIC_TARGET:
3061 		clk_type = SMU_OD_ACOUSTIC_TARGET; break;
3062 	case OD_FAN_TARGET_TEMPERATURE:
3063 		clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
3064 	case OD_FAN_MINIMUM_PWM:
3065 		clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
3066 	case OD_FAN_ZERO_RPM_ENABLE:
3067 		clk_type = SMU_OD_FAN_ZERO_RPM_ENABLE; break;
3068 	case OD_FAN_ZERO_RPM_STOP_TEMP:
3069 		clk_type = SMU_OD_FAN_ZERO_RPM_STOP_TEMP; break;
3070 	default:
3071 		clk_type = SMU_CLK_COUNT; break;
3072 	}
3073 
3074 	return clk_type;
3075 }
3076 
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)3077 static int smu_print_ppclk_levels(void *handle,
3078 				  enum pp_clock_type type,
3079 				  char *buf)
3080 {
3081 	struct smu_context *smu = handle;
3082 	enum smu_clk_type clk_type;
3083 
3084 	clk_type = smu_convert_to_smuclk(type);
3085 	if (clk_type == SMU_CLK_COUNT)
3086 		return -EINVAL;
3087 
3088 	return smu_print_smuclk_levels(smu, clk_type, buf);
3089 }
3090 
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)3091 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
3092 {
3093 	struct smu_context *smu = handle;
3094 	enum smu_clk_type clk_type;
3095 
3096 	clk_type = smu_convert_to_smuclk(type);
3097 	if (clk_type == SMU_CLK_COUNT)
3098 		return -EINVAL;
3099 
3100 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3101 		return -EOPNOTSUPP;
3102 
3103 	if (!smu->ppt_funcs->emit_clk_levels)
3104 		return -ENOENT;
3105 
3106 	return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
3107 
3108 }
3109 
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)3110 static int smu_od_edit_dpm_table(void *handle,
3111 				 enum PP_OD_DPM_TABLE_COMMAND type,
3112 				 long *input, uint32_t size)
3113 {
3114 	struct smu_context *smu = handle;
3115 	int ret = 0;
3116 
3117 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3118 		return -EOPNOTSUPP;
3119 
3120 	if (smu->ppt_funcs->od_edit_dpm_table) {
3121 		ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
3122 	}
3123 
3124 	return ret;
3125 }
3126 
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)3127 static int smu_read_sensor(void *handle,
3128 			   int sensor,
3129 			   void *data,
3130 			   int *size_arg)
3131 {
3132 	struct smu_context *smu = handle;
3133 	struct amdgpu_device *adev = smu->adev;
3134 	struct smu_umd_pstate_table *pstate_table =
3135 				&smu->pstate_table;
3136 	int i, ret = 0;
3137 	uint32_t *size, size_val;
3138 
3139 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3140 		return -EOPNOTSUPP;
3141 
3142 	if (!data || !size_arg)
3143 		return -EINVAL;
3144 
3145 	size_val = *size_arg;
3146 	size = &size_val;
3147 
3148 	if (smu->ppt_funcs->read_sensor)
3149 		if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
3150 			goto unlock;
3151 
3152 	switch (sensor) {
3153 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
3154 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
3155 		*size = 4;
3156 		break;
3157 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
3158 		*((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
3159 		*size = 4;
3160 		break;
3161 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
3162 		*((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
3163 		*size = 4;
3164 		break;
3165 	case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
3166 		*((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
3167 		*size = 4;
3168 		break;
3169 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
3170 		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
3171 		*size = 8;
3172 		break;
3173 	case AMDGPU_PP_SENSOR_UVD_POWER:
3174 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
3175 		*size = 4;
3176 		break;
3177 	case AMDGPU_PP_SENSOR_VCE_POWER:
3178 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
3179 		*size = 4;
3180 		break;
3181 	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
3182 		*(uint32_t *)data = 0;
3183 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
3184 			if (!atomic_read(&smu->smu_power.power_gate.vcn_gated[i])) {
3185 				*(uint32_t *)data = 1;
3186 				break;
3187 			}
3188 		}
3189 		*size = 4;
3190 		break;
3191 	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
3192 		*(uint32_t *)data = 0;
3193 		*size = 4;
3194 		break;
3195 	default:
3196 		*size = 0;
3197 		ret = -EOPNOTSUPP;
3198 		break;
3199 	}
3200 
3201 unlock:
3202 	// assign uint32_t to int
3203 	*size_arg = size_val;
3204 
3205 	return ret;
3206 }
3207 
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)3208 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
3209 {
3210 	int ret = -EOPNOTSUPP;
3211 	struct smu_context *smu = handle;
3212 
3213 	if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
3214 		ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
3215 
3216 	return ret;
3217 }
3218 
smu_set_apu_thermal_limit(void * handle,uint32_t limit)3219 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
3220 {
3221 	int ret = -EOPNOTSUPP;
3222 	struct smu_context *smu = handle;
3223 
3224 	if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
3225 		ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
3226 
3227 	return ret;
3228 }
3229 
smu_get_power_profile_mode(void * handle,char * buf)3230 static int smu_get_power_profile_mode(void *handle, char *buf)
3231 {
3232 	struct smu_context *smu = handle;
3233 
3234 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3235 	    !smu->ppt_funcs->get_power_profile_mode)
3236 		return -EOPNOTSUPP;
3237 	if (!buf)
3238 		return -EINVAL;
3239 
3240 	return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3241 }
3242 
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)3243 static int smu_set_power_profile_mode(void *handle,
3244 				      long *param,
3245 				      uint32_t param_size)
3246 {
3247 	struct smu_context *smu = handle;
3248 	bool custom = false;
3249 	int ret = 0;
3250 
3251 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3252 	    !smu->ppt_funcs->set_power_profile_mode)
3253 		return -EOPNOTSUPP;
3254 
3255 	if (param[param_size] == PP_SMC_POWER_PROFILE_CUSTOM) {
3256 		custom = true;
3257 		/* clear frontend mask so custom changes propogate */
3258 		smu->workload_mask = 0;
3259 	}
3260 
3261 	if ((param[param_size] != smu->power_profile_mode) || custom) {
3262 		/* clear the old user preference */
3263 		smu_power_profile_mode_put(smu, smu->power_profile_mode);
3264 		/* set the new user preference */
3265 		smu_power_profile_mode_get(smu, param[param_size]);
3266 		ret = smu_bump_power_profile_mode(smu,
3267 						  custom ? param : NULL,
3268 						  custom ? param_size : 0);
3269 		if (ret)
3270 			smu_power_profile_mode_put(smu, param[param_size]);
3271 		else
3272 			/* store the user's preference */
3273 			smu->power_profile_mode = param[param_size];
3274 	}
3275 
3276 	return ret;
3277 }
3278 
smu_get_fan_control_mode(void * handle,u32 * fan_mode)3279 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3280 {
3281 	struct smu_context *smu = handle;
3282 
3283 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3284 		return -EOPNOTSUPP;
3285 
3286 	if (!smu->ppt_funcs->get_fan_control_mode)
3287 		return -EOPNOTSUPP;
3288 
3289 	if (!fan_mode)
3290 		return -EINVAL;
3291 
3292 	*fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3293 
3294 	return 0;
3295 }
3296 
smu_set_fan_control_mode(void * handle,u32 value)3297 static int smu_set_fan_control_mode(void *handle, u32 value)
3298 {
3299 	struct smu_context *smu = handle;
3300 	int ret = 0;
3301 
3302 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3303 		return -EOPNOTSUPP;
3304 
3305 	if (!smu->ppt_funcs->set_fan_control_mode)
3306 		return -EOPNOTSUPP;
3307 
3308 	if (value == U32_MAX)
3309 		return -EINVAL;
3310 
3311 	ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3312 	if (ret)
3313 		goto out;
3314 
3315 	if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3316 		smu->user_dpm_profile.fan_mode = value;
3317 
3318 		/* reset user dpm fan speed */
3319 		if (value != AMD_FAN_CTRL_MANUAL) {
3320 			smu->user_dpm_profile.fan_speed_pwm = 0;
3321 			smu->user_dpm_profile.fan_speed_rpm = 0;
3322 			smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3323 		}
3324 	}
3325 
3326 out:
3327 	return ret;
3328 }
3329 
smu_get_fan_speed_pwm(void * handle,u32 * speed)3330 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3331 {
3332 	struct smu_context *smu = handle;
3333 	int ret = 0;
3334 
3335 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3336 		return -EOPNOTSUPP;
3337 
3338 	if (!smu->ppt_funcs->get_fan_speed_pwm)
3339 		return -EOPNOTSUPP;
3340 
3341 	if (!speed)
3342 		return -EINVAL;
3343 
3344 	ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3345 
3346 	return ret;
3347 }
3348 
smu_set_fan_speed_pwm(void * handle,u32 speed)3349 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3350 {
3351 	struct smu_context *smu = handle;
3352 	int ret = 0;
3353 
3354 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3355 		return -EOPNOTSUPP;
3356 
3357 	if (!smu->ppt_funcs->set_fan_speed_pwm)
3358 		return -EOPNOTSUPP;
3359 
3360 	if (speed == U32_MAX)
3361 		return -EINVAL;
3362 
3363 	ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3364 	if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3365 		smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3366 		smu->user_dpm_profile.fan_speed_pwm = speed;
3367 
3368 		/* Override custom RPM setting as they cannot co-exist */
3369 		smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3370 		smu->user_dpm_profile.fan_speed_rpm = 0;
3371 	}
3372 
3373 	return ret;
3374 }
3375 
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)3376 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3377 {
3378 	struct smu_context *smu = handle;
3379 	int ret = 0;
3380 
3381 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3382 		return -EOPNOTSUPP;
3383 
3384 	if (!smu->ppt_funcs->get_fan_speed_rpm)
3385 		return -EOPNOTSUPP;
3386 
3387 	if (!speed)
3388 		return -EINVAL;
3389 
3390 	ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3391 
3392 	return ret;
3393 }
3394 
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)3395 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3396 {
3397 	struct smu_context *smu = handle;
3398 
3399 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3400 		return -EOPNOTSUPP;
3401 
3402 	return smu_set_min_dcef_deep_sleep(smu, clk);
3403 }
3404 
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)3405 static int smu_get_clock_by_type_with_latency(void *handle,
3406 					      enum amd_pp_clock_type type,
3407 					      struct pp_clock_levels_with_latency *clocks)
3408 {
3409 	struct smu_context *smu = handle;
3410 	enum smu_clk_type clk_type;
3411 	int ret = 0;
3412 
3413 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3414 		return -EOPNOTSUPP;
3415 
3416 	if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3417 		switch (type) {
3418 		case amd_pp_sys_clock:
3419 			clk_type = SMU_GFXCLK;
3420 			break;
3421 		case amd_pp_mem_clock:
3422 			clk_type = SMU_MCLK;
3423 			break;
3424 		case amd_pp_dcef_clock:
3425 			clk_type = SMU_DCEFCLK;
3426 			break;
3427 		case amd_pp_disp_clock:
3428 			clk_type = SMU_DISPCLK;
3429 			break;
3430 		default:
3431 			dev_err(smu->adev->dev, "Invalid clock type!\n");
3432 			return -EINVAL;
3433 		}
3434 
3435 		ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3436 	}
3437 
3438 	return ret;
3439 }
3440 
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)3441 static int smu_display_clock_voltage_request(void *handle,
3442 					     struct pp_display_clock_request *clock_req)
3443 {
3444 	struct smu_context *smu = handle;
3445 	int ret = 0;
3446 
3447 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3448 		return -EOPNOTSUPP;
3449 
3450 	if (smu->ppt_funcs->display_clock_voltage_request)
3451 		ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3452 
3453 	return ret;
3454 }
3455 
3456 
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)3457 static int smu_display_disable_memory_clock_switch(void *handle,
3458 						   bool disable_memory_clock_switch)
3459 {
3460 	struct smu_context *smu = handle;
3461 	int ret = -EINVAL;
3462 
3463 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3464 		return -EOPNOTSUPP;
3465 
3466 	if (smu->ppt_funcs->display_disable_memory_clock_switch)
3467 		ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3468 
3469 	return ret;
3470 }
3471 
smu_set_xgmi_pstate(void * handle,uint32_t pstate)3472 static int smu_set_xgmi_pstate(void *handle,
3473 			       uint32_t pstate)
3474 {
3475 	struct smu_context *smu = handle;
3476 	int ret = 0;
3477 
3478 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3479 		return -EOPNOTSUPP;
3480 
3481 	if (smu->ppt_funcs->set_xgmi_pstate)
3482 		ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3483 
3484 	if (ret)
3485 		dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3486 
3487 	return ret;
3488 }
3489 
smu_get_baco_capability(void * handle)3490 static int smu_get_baco_capability(void *handle)
3491 {
3492 	struct smu_context *smu = handle;
3493 
3494 	if (!smu->pm_enabled)
3495 		return false;
3496 
3497 	if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3498 		return false;
3499 
3500 	return smu->ppt_funcs->get_bamaco_support(smu);
3501 }
3502 
smu_baco_set_state(void * handle,int state)3503 static int smu_baco_set_state(void *handle, int state)
3504 {
3505 	struct smu_context *smu = handle;
3506 	int ret = 0;
3507 
3508 	if (!smu->pm_enabled)
3509 		return -EOPNOTSUPP;
3510 
3511 	if (state == 0) {
3512 		if (smu->ppt_funcs->baco_exit)
3513 			ret = smu->ppt_funcs->baco_exit(smu);
3514 	} else if (state == 1) {
3515 		if (smu->ppt_funcs->baco_enter)
3516 			ret = smu->ppt_funcs->baco_enter(smu);
3517 	} else {
3518 		return -EINVAL;
3519 	}
3520 
3521 	if (ret)
3522 		dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3523 				(state)?"enter":"exit");
3524 
3525 	return ret;
3526 }
3527 
smu_mode1_reset_is_support(struct smu_context * smu)3528 bool smu_mode1_reset_is_support(struct smu_context *smu)
3529 {
3530 	bool ret = false;
3531 
3532 	if (!smu->pm_enabled)
3533 		return false;
3534 
3535 	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3536 		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3537 
3538 	return ret;
3539 }
3540 
smu_link_reset_is_support(struct smu_context * smu)3541 bool smu_link_reset_is_support(struct smu_context *smu)
3542 {
3543 	if (!smu->pm_enabled)
3544 		return false;
3545 
3546 	return smu_feature_cap_test(smu, SMU_FEATURE_CAP_ID__LINK_RESET);
3547 }
3548 
smu_mode1_reset(struct smu_context * smu)3549 int smu_mode1_reset(struct smu_context *smu)
3550 {
3551 	int ret = 0;
3552 
3553 	if (!smu->pm_enabled)
3554 		return -EOPNOTSUPP;
3555 
3556 	if (smu->ppt_funcs->mode1_reset)
3557 		ret = smu->ppt_funcs->mode1_reset(smu);
3558 
3559 	return ret;
3560 }
3561 
smu_mode2_reset(void * handle)3562 static int smu_mode2_reset(void *handle)
3563 {
3564 	struct smu_context *smu = handle;
3565 	int ret = 0;
3566 
3567 	if (!smu->pm_enabled)
3568 		return -EOPNOTSUPP;
3569 
3570 	if (smu->ppt_funcs->mode2_reset)
3571 		ret = smu->ppt_funcs->mode2_reset(smu);
3572 
3573 	if (ret)
3574 		dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3575 
3576 	return ret;
3577 }
3578 
smu_link_reset(struct smu_context * smu)3579 int smu_link_reset(struct smu_context *smu)
3580 {
3581 	int ret = 0;
3582 
3583 	if (!smu->pm_enabled)
3584 		return -EOPNOTSUPP;
3585 
3586 	if (smu->ppt_funcs->link_reset)
3587 		ret = smu->ppt_funcs->link_reset(smu);
3588 
3589 	return ret;
3590 }
3591 
smu_enable_gfx_features(void * handle)3592 static int smu_enable_gfx_features(void *handle)
3593 {
3594 	struct smu_context *smu = handle;
3595 	int ret = 0;
3596 
3597 	if (!smu->pm_enabled)
3598 		return -EOPNOTSUPP;
3599 
3600 	if (smu->ppt_funcs->enable_gfx_features)
3601 		ret = smu->ppt_funcs->enable_gfx_features(smu);
3602 
3603 	if (ret)
3604 		dev_err(smu->adev->dev, "enable gfx features failed!\n");
3605 
3606 	return ret;
3607 }
3608 
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)3609 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3610 						struct pp_smu_nv_clock_table *max_clocks)
3611 {
3612 	struct smu_context *smu = handle;
3613 	int ret = 0;
3614 
3615 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3616 		return -EOPNOTSUPP;
3617 
3618 	if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3619 		ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3620 
3621 	return ret;
3622 }
3623 
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)3624 static int smu_get_uclk_dpm_states(void *handle,
3625 				   unsigned int *clock_values_in_khz,
3626 				   unsigned int *num_states)
3627 {
3628 	struct smu_context *smu = handle;
3629 	int ret = 0;
3630 
3631 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3632 		return -EOPNOTSUPP;
3633 
3634 	if (smu->ppt_funcs->get_uclk_dpm_states)
3635 		ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3636 
3637 	return ret;
3638 }
3639 
smu_get_current_power_state(void * handle)3640 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3641 {
3642 	struct smu_context *smu = handle;
3643 	enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3644 
3645 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3646 		return -EOPNOTSUPP;
3647 
3648 	if (smu->ppt_funcs->get_current_power_state)
3649 		pm_state = smu->ppt_funcs->get_current_power_state(smu);
3650 
3651 	return pm_state;
3652 }
3653 
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3654 static int smu_get_dpm_clock_table(void *handle,
3655 				   struct dpm_clocks *clock_table)
3656 {
3657 	struct smu_context *smu = handle;
3658 	int ret = 0;
3659 
3660 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3661 		return -EOPNOTSUPP;
3662 
3663 	if (smu->ppt_funcs->get_dpm_clock_table)
3664 		ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3665 
3666 	return ret;
3667 }
3668 
smu_sys_get_gpu_metrics(void * handle,void ** table)3669 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3670 {
3671 	struct smu_context *smu = handle;
3672 
3673 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3674 		return -EOPNOTSUPP;
3675 
3676 	if (!smu->ppt_funcs->get_gpu_metrics)
3677 		return -EOPNOTSUPP;
3678 
3679 	return smu->ppt_funcs->get_gpu_metrics(smu, table);
3680 }
3681 
smu_sys_get_pm_metrics(void * handle,void * pm_metrics,size_t size)3682 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3683 				      size_t size)
3684 {
3685 	struct smu_context *smu = handle;
3686 
3687 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3688 		return -EOPNOTSUPP;
3689 
3690 	if (!smu->ppt_funcs->get_pm_metrics)
3691 		return -EOPNOTSUPP;
3692 
3693 	return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3694 }
3695 
smu_enable_mgpu_fan_boost(void * handle)3696 static int smu_enable_mgpu_fan_boost(void *handle)
3697 {
3698 	struct smu_context *smu = handle;
3699 	int ret = 0;
3700 
3701 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3702 		return -EOPNOTSUPP;
3703 
3704 	if (smu->ppt_funcs->enable_mgpu_fan_boost)
3705 		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3706 
3707 	return ret;
3708 }
3709 
smu_gfx_state_change_set(void * handle,uint32_t state)3710 static int smu_gfx_state_change_set(void *handle,
3711 				    uint32_t state)
3712 {
3713 	struct smu_context *smu = handle;
3714 	int ret = 0;
3715 
3716 	if (smu->ppt_funcs->gfx_state_change_set)
3717 		ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3718 
3719 	return ret;
3720 }
3721 
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3722 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3723 {
3724 	int ret = 0;
3725 
3726 	if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3727 		ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3728 
3729 	return ret;
3730 }
3731 
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3732 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3733 {
3734 	int ret = -EOPNOTSUPP;
3735 
3736 	if (smu->ppt_funcs &&
3737 		smu->ppt_funcs->get_ecc_info)
3738 		ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3739 
3740 	return ret;
3741 
3742 }
3743 
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3744 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3745 {
3746 	struct smu_context *smu = handle;
3747 	struct smu_table_context *smu_table = &smu->smu_table;
3748 	struct smu_table *memory_pool = &smu_table->memory_pool;
3749 
3750 	if (!addr || !size)
3751 		return -EINVAL;
3752 
3753 	*addr = NULL;
3754 	*size = 0;
3755 	if (memory_pool->bo) {
3756 		*addr = memory_pool->cpu_addr;
3757 		*size = memory_pool->size;
3758 	}
3759 
3760 	return 0;
3761 }
3762 
smu_print_dpm_policy(struct smu_dpm_policy * policy,char * sysbuf,size_t * size)3763 static void smu_print_dpm_policy(struct smu_dpm_policy *policy, char *sysbuf,
3764 				 size_t *size)
3765 {
3766 	size_t offset = *size;
3767 	int level;
3768 
3769 	for_each_set_bit(level, &policy->level_mask, PP_POLICY_MAX_LEVELS) {
3770 		if (level == policy->current_level)
3771 			offset += sysfs_emit_at(sysbuf, offset,
3772 				"%d : %s*\n", level,
3773 				policy->desc->get_desc(policy, level));
3774 		else
3775 			offset += sysfs_emit_at(sysbuf, offset,
3776 				"%d : %s\n", level,
3777 				policy->desc->get_desc(policy, level));
3778 	}
3779 
3780 	*size = offset;
3781 }
3782 
smu_get_pm_policy_info(struct smu_context * smu,enum pp_pm_policy p_type,char * sysbuf)3783 ssize_t smu_get_pm_policy_info(struct smu_context *smu,
3784 			       enum pp_pm_policy p_type, char *sysbuf)
3785 {
3786 	struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3787 	struct smu_dpm_policy_ctxt *policy_ctxt;
3788 	struct smu_dpm_policy *dpm_policy;
3789 	size_t offset = 0;
3790 
3791 	policy_ctxt = dpm_ctxt->dpm_policies;
3792 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3793 	    !policy_ctxt->policy_mask)
3794 		return -EOPNOTSUPP;
3795 
3796 	if (p_type == PP_PM_POLICY_NONE)
3797 		return -EINVAL;
3798 
3799 	dpm_policy = smu_get_pm_policy(smu, p_type);
3800 	if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->desc)
3801 		return -ENOENT;
3802 
3803 	if (!sysbuf)
3804 		return -EINVAL;
3805 
3806 	smu_print_dpm_policy(dpm_policy, sysbuf, &offset);
3807 
3808 	return offset;
3809 }
3810 
smu_get_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type)3811 struct smu_dpm_policy *smu_get_pm_policy(struct smu_context *smu,
3812 					 enum pp_pm_policy p_type)
3813 {
3814 	struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3815 	struct smu_dpm_policy_ctxt *policy_ctxt;
3816 	int i;
3817 
3818 	policy_ctxt = dpm_ctxt->dpm_policies;
3819 	if (!policy_ctxt)
3820 		return NULL;
3821 
3822 	for (i = 0; i < hweight32(policy_ctxt->policy_mask); ++i) {
3823 		if (policy_ctxt->policies[i].policy_type == p_type)
3824 			return &policy_ctxt->policies[i];
3825 	}
3826 
3827 	return NULL;
3828 }
3829 
smu_set_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type,int level)3830 int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type,
3831 		      int level)
3832 {
3833 	struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3834 	struct smu_dpm_policy *dpm_policy = NULL;
3835 	struct smu_dpm_policy_ctxt *policy_ctxt;
3836 	int ret = -EOPNOTSUPP;
3837 
3838 	policy_ctxt = dpm_ctxt->dpm_policies;
3839 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3840 	    !policy_ctxt->policy_mask)
3841 		return ret;
3842 
3843 	if (level < 0 || level >= PP_POLICY_MAX_LEVELS)
3844 		return -EINVAL;
3845 
3846 	dpm_policy = smu_get_pm_policy(smu, p_type);
3847 
3848 	if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->set_policy)
3849 		return ret;
3850 
3851 	if (dpm_policy->current_level == level)
3852 		return 0;
3853 
3854 	ret = dpm_policy->set_policy(smu, level);
3855 
3856 	if (!ret)
3857 		dpm_policy->current_level = level;
3858 
3859 	return ret;
3860 }
3861 
smu_sys_get_temp_metrics(void * handle,enum smu_temp_metric_type type,void * table)3862 static ssize_t smu_sys_get_temp_metrics(void *handle, enum smu_temp_metric_type type, void *table)
3863 {
3864 	struct smu_context *smu = handle;
3865 	struct smu_table_context *smu_table = &smu->smu_table;
3866 	struct smu_table *tables = smu_table->tables;
3867 	enum smu_table_id table_id;
3868 
3869 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3870 		return -EOPNOTSUPP;
3871 
3872 	if (!smu->smu_temp.temp_funcs || !smu->smu_temp.temp_funcs->get_temp_metrics)
3873 		return -EOPNOTSUPP;
3874 
3875 	table_id = smu_metrics_get_temp_table_id(type);
3876 
3877 	if (table_id == SMU_TABLE_COUNT)
3878 		return -EINVAL;
3879 
3880 	/* If the request is to get size alone, return the cached table size */
3881 	if (!table && tables[table_id].cache.size)
3882 		return tables[table_id].cache.size;
3883 
3884 	if (smu_table_cache_is_valid(&tables[table_id])) {
3885 		memcpy(table, tables[table_id].cache.buffer,
3886 		       tables[table_id].cache.size);
3887 		return tables[table_id].cache.size;
3888 	}
3889 
3890 	return smu->smu_temp.temp_funcs->get_temp_metrics(smu, type, table);
3891 }
3892 
smu_temp_metrics_is_supported(void * handle,enum smu_temp_metric_type type)3893 static bool smu_temp_metrics_is_supported(void *handle, enum smu_temp_metric_type type)
3894 {
3895 	struct smu_context *smu = handle;
3896 	bool ret = false;
3897 
3898 	if (!smu->pm_enabled)
3899 		return false;
3900 
3901 	if (smu->smu_temp.temp_funcs && smu->smu_temp.temp_funcs->temp_metrics_is_supported)
3902 		ret = smu->smu_temp.temp_funcs->temp_metrics_is_supported(smu, type);
3903 
3904 	return ret;
3905 }
3906 
smu_sys_get_xcp_metrics(void * handle,int xcp_id,void * table)3907 static ssize_t smu_sys_get_xcp_metrics(void *handle, int xcp_id, void *table)
3908 {
3909 	struct smu_context *smu = handle;
3910 
3911 	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3912 		return -EOPNOTSUPP;
3913 
3914 	if (!smu->adev->xcp_mgr || !smu->ppt_funcs->get_xcp_metrics)
3915 		return -EOPNOTSUPP;
3916 
3917 	return smu->ppt_funcs->get_xcp_metrics(smu, xcp_id, table);
3918 }
3919 
3920 static const struct amd_pm_funcs swsmu_pm_funcs = {
3921 	/* export for sysfs */
3922 	.set_fan_control_mode    = smu_set_fan_control_mode,
3923 	.get_fan_control_mode    = smu_get_fan_control_mode,
3924 	.set_fan_speed_pwm   = smu_set_fan_speed_pwm,
3925 	.get_fan_speed_pwm   = smu_get_fan_speed_pwm,
3926 	.force_clock_level       = smu_force_ppclk_levels,
3927 	.print_clock_levels      = smu_print_ppclk_levels,
3928 	.emit_clock_levels       = smu_emit_ppclk_levels,
3929 	.force_performance_level = smu_force_performance_level,
3930 	.read_sensor             = smu_read_sensor,
3931 	.get_apu_thermal_limit       = smu_get_apu_thermal_limit,
3932 	.set_apu_thermal_limit       = smu_set_apu_thermal_limit,
3933 	.get_performance_level   = smu_get_performance_level,
3934 	.get_current_power_state = smu_get_current_power_state,
3935 	.get_fan_speed_rpm       = smu_get_fan_speed_rpm,
3936 	.set_fan_speed_rpm       = smu_set_fan_speed_rpm,
3937 	.get_pp_num_states       = smu_get_power_num_states,
3938 	.get_pp_table            = smu_sys_get_pp_table,
3939 	.set_pp_table            = smu_sys_set_pp_table,
3940 	.switch_power_profile    = smu_switch_power_profile,
3941 	.pause_power_profile     = smu_pause_power_profile,
3942 	/* export to amdgpu */
3943 	.dispatch_tasks          = smu_handle_dpm_task,
3944 	.load_firmware           = smu_load_microcode,
3945 	.set_powergating_by_smu  = smu_dpm_set_power_gate,
3946 	.set_power_limit         = smu_set_power_limit,
3947 	.get_power_limit         = smu_get_power_limit,
3948 	.get_power_profile_mode  = smu_get_power_profile_mode,
3949 	.set_power_profile_mode  = smu_set_power_profile_mode,
3950 	.odn_edit_dpm_table      = smu_od_edit_dpm_table,
3951 	.set_mp1_state           = smu_set_mp1_state,
3952 	.gfx_state_change_set    = smu_gfx_state_change_set,
3953 	/* export to DC */
3954 	.get_sclk                         = smu_get_sclk,
3955 	.get_mclk                         = smu_get_mclk,
3956 	.display_configuration_change     = smu_display_configuration_change,
3957 	.get_clock_by_type_with_latency   = smu_get_clock_by_type_with_latency,
3958 	.display_clock_voltage_request    = smu_display_clock_voltage_request,
3959 	.enable_mgpu_fan_boost            = smu_enable_mgpu_fan_boost,
3960 	.set_active_display_count         = smu_set_display_count,
3961 	.set_min_deep_sleep_dcefclk       = smu_set_deep_sleep_dcefclk,
3962 	.get_asic_baco_capability         = smu_get_baco_capability,
3963 	.set_asic_baco_state              = smu_baco_set_state,
3964 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
3965 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
3966 	.asic_reset_mode_2                = smu_mode2_reset,
3967 	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
3968 	.set_df_cstate                    = smu_set_df_cstate,
3969 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
3970 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,
3971 	.get_pm_metrics                   = smu_sys_get_pm_metrics,
3972 	.set_watermarks_for_clock_ranges     = smu_set_watermarks_for_clock_ranges,
3973 	.display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3974 	.get_max_sustainable_clocks_by_dc    = smu_get_max_sustainable_clocks_by_dc,
3975 	.get_uclk_dpm_states              = smu_get_uclk_dpm_states,
3976 	.get_dpm_clock_table              = smu_get_dpm_clock_table,
3977 	.get_smu_prv_buf_details = smu_get_prv_buffer_details,
3978 	.get_xcp_metrics                  = smu_sys_get_xcp_metrics,
3979 	.get_temp_metrics             = smu_sys_get_temp_metrics,
3980 	.temp_metrics_is_supported      = smu_temp_metrics_is_supported,
3981 };
3982 
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3983 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3984 		       uint64_t event_arg)
3985 {
3986 	int ret = -EINVAL;
3987 
3988 	if (smu->ppt_funcs->wait_for_event)
3989 		ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3990 
3991 	return ret;
3992 }
3993 
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3994 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3995 {
3996 
3997 	if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3998 		return -EOPNOTSUPP;
3999 
4000 	/* Confirm the buffer allocated is of correct size */
4001 	if (size != smu->stb_context.stb_buf_size)
4002 		return -EINVAL;
4003 
4004 	/*
4005 	 * No need to lock smu mutex as we access STB directly through MMIO
4006 	 * and not going through SMU messaging route (for now at least).
4007 	 * For registers access rely on implementation internal locking.
4008 	 */
4009 	return smu->ppt_funcs->stb_collect_info(smu, buf, size);
4010 }
4011 
4012 #if defined(CONFIG_DEBUG_FS)
4013 
smu_stb_debugfs_open(struct inode * inode,struct file * filp)4014 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
4015 {
4016 	struct amdgpu_device *adev = filp->f_inode->i_private;
4017 	struct smu_context *smu = adev->powerplay.pp_handle;
4018 	unsigned char *buf;
4019 	int r;
4020 
4021 	buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
4022 	if (!buf)
4023 		return -ENOMEM;
4024 
4025 	r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
4026 	if (r)
4027 		goto out;
4028 
4029 	filp->private_data = buf;
4030 
4031 	return 0;
4032 
4033 out:
4034 	kvfree(buf);
4035 	return r;
4036 }
4037 
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)4038 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
4039 				loff_t *pos)
4040 {
4041 	struct amdgpu_device *adev = filp->f_inode->i_private;
4042 	struct smu_context *smu = adev->powerplay.pp_handle;
4043 
4044 
4045 	if (!filp->private_data)
4046 		return -EINVAL;
4047 
4048 	return simple_read_from_buffer(buf,
4049 				       size,
4050 				       pos, filp->private_data,
4051 				       smu->stb_context.stb_buf_size);
4052 }
4053 
smu_stb_debugfs_release(struct inode * inode,struct file * filp)4054 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
4055 {
4056 	kvfree(filp->private_data);
4057 	filp->private_data = NULL;
4058 
4059 	return 0;
4060 }
4061 
4062 /*
4063  * We have to define not only read method but also
4064  * open and release because .read takes up to PAGE_SIZE
4065  * data each time so and so is invoked multiple times.
4066  *  We allocate the STB buffer in .open and release it
4067  *  in .release
4068  */
4069 static const struct file_operations smu_stb_debugfs_fops = {
4070 	.owner = THIS_MODULE,
4071 	.open = smu_stb_debugfs_open,
4072 	.read = smu_stb_debugfs_read,
4073 	.release = smu_stb_debugfs_release,
4074 	.llseek = default_llseek,
4075 };
4076 
4077 #endif
4078 
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)4079 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
4080 {
4081 #if defined(CONFIG_DEBUG_FS)
4082 
4083 	struct smu_context *smu = adev->powerplay.pp_handle;
4084 
4085 	if (!smu || (!smu->stb_context.stb_buf_size))
4086 		return;
4087 
4088 	debugfs_create_file_size("amdgpu_smu_stb_dump",
4089 			    S_IRUSR,
4090 			    adev_to_drm(adev)->primary->debugfs_root,
4091 			    adev,
4092 			    &smu_stb_debugfs_fops,
4093 			    smu->stb_context.stb_buf_size);
4094 #endif
4095 }
4096 
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)4097 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
4098 {
4099 	int ret = 0;
4100 
4101 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
4102 		ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
4103 
4104 	return ret;
4105 }
4106 
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)4107 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
4108 {
4109 	int ret = 0;
4110 
4111 	if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
4112 		ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
4113 
4114 	return ret;
4115 }
4116 
smu_send_rma_reason(struct smu_context * smu)4117 int smu_send_rma_reason(struct smu_context *smu)
4118 {
4119 	int ret = 0;
4120 
4121 	if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
4122 		ret = smu->ppt_funcs->send_rma_reason(smu);
4123 
4124 	return ret;
4125 }
4126 
4127 /**
4128  * smu_reset_sdma_is_supported - Check if SDMA reset is supported by SMU
4129  * @smu: smu_context pointer
4130  *
4131  * This function checks if the SMU supports resetting the SDMA engine.
4132  * It returns true if supported, false otherwise.
4133  */
smu_reset_sdma_is_supported(struct smu_context * smu)4134 bool smu_reset_sdma_is_supported(struct smu_context *smu)
4135 {
4136 	return smu_feature_cap_test(smu, SMU_FEATURE_CAP_ID__SDMA_RESET);
4137 }
4138 
smu_reset_sdma(struct smu_context * smu,uint32_t inst_mask)4139 int smu_reset_sdma(struct smu_context *smu, uint32_t inst_mask)
4140 {
4141 	int ret = 0;
4142 
4143 	if (smu->ppt_funcs && smu->ppt_funcs->reset_sdma)
4144 		ret = smu->ppt_funcs->reset_sdma(smu, inst_mask);
4145 
4146 	return ret;
4147 }
4148 
smu_reset_vcn_is_supported(struct smu_context * smu)4149 bool smu_reset_vcn_is_supported(struct smu_context *smu)
4150 {
4151 	return smu_feature_cap_test(smu, SMU_FEATURE_CAP_ID__VCN_RESET);
4152 }
4153 
smu_reset_vcn(struct smu_context * smu,uint32_t inst_mask)4154 int smu_reset_vcn(struct smu_context *smu, uint32_t inst_mask)
4155 {
4156 	if (smu->ppt_funcs && smu->ppt_funcs->dpm_reset_vcn)
4157 		smu->ppt_funcs->dpm_reset_vcn(smu, inst_mask);
4158 
4159 	return 0;
4160 }
4161