1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #define SWSMU_CODE_LAYER_L1
24
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/power_supply.h>
28 #include <linux/reboot.h>
29
30 #include "amdgpu.h"
31 #include "amdgpu_smu.h"
32 #include "smu_internal.h"
33 #include "atom.h"
34 #include "arcturus_ppt.h"
35 #include "navi10_ppt.h"
36 #include "sienna_cichlid_ppt.h"
37 #include "renoir_ppt.h"
38 #include "vangogh_ppt.h"
39 #include "aldebaran_ppt.h"
40 #include "yellow_carp_ppt.h"
41 #include "cyan_skillfish_ppt.h"
42 #include "smu_v13_0_0_ppt.h"
43 #include "smu_v13_0_4_ppt.h"
44 #include "smu_v13_0_5_ppt.h"
45 #include "smu_v13_0_6_ppt.h"
46 #include "smu_v13_0_7_ppt.h"
47 #include "smu_v14_0_0_ppt.h"
48 #include "smu_v14_0_2_ppt.h"
49 #include "amd_pcie.h"
50
51 /*
52 * DO NOT use these for err/warn/info/debug messages.
53 * Use dev_err, dev_warn, dev_info and dev_dbg instead.
54 * They are more MGPU friendly.
55 */
56 #undef pr_err
57 #undef pr_warn
58 #undef pr_info
59 #undef pr_debug
60
61 static const struct amd_pm_funcs swsmu_pm_funcs;
62 static int smu_force_smuclk_levels(struct smu_context *smu,
63 enum smu_clk_type clk_type,
64 uint32_t mask);
65 static int smu_handle_task(struct smu_context *smu,
66 enum amd_dpm_forced_level level,
67 enum amd_pp_task task_id);
68 static int smu_reset(struct smu_context *smu);
69 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
70 static int smu_set_fan_control_mode(void *handle, u32 value);
71 static int smu_set_power_limit(void *handle, uint32_t limit);
72 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
73 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
74 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
75 static void smu_power_profile_mode_get(struct smu_context *smu,
76 enum PP_SMC_POWER_PROFILE profile_mode);
77 static void smu_power_profile_mode_put(struct smu_context *smu,
78 enum PP_SMC_POWER_PROFILE profile_mode);
79
smu_sys_get_pp_feature_mask(void * handle,char * buf)80 static int smu_sys_get_pp_feature_mask(void *handle,
81 char *buf)
82 {
83 struct smu_context *smu = handle;
84
85 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
86 return -EOPNOTSUPP;
87
88 return smu_get_pp_feature_mask(smu, buf);
89 }
90
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)91 static int smu_sys_set_pp_feature_mask(void *handle,
92 uint64_t new_mask)
93 {
94 struct smu_context *smu = handle;
95
96 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
97 return -EOPNOTSUPP;
98
99 return smu_set_pp_feature_mask(smu, new_mask);
100 }
101
smu_set_residency_gfxoff(struct smu_context * smu,bool value)102 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
103 {
104 if (!smu->ppt_funcs->set_gfx_off_residency)
105 return -EINVAL;
106
107 return smu_set_gfx_off_residency(smu, value);
108 }
109
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)110 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
111 {
112 if (!smu->ppt_funcs->get_gfx_off_residency)
113 return -EINVAL;
114
115 return smu_get_gfx_off_residency(smu, value);
116 }
117
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)118 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
119 {
120 if (!smu->ppt_funcs->get_gfx_off_entrycount)
121 return -EINVAL;
122
123 return smu_get_gfx_off_entrycount(smu, value);
124 }
125
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)126 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
127 {
128 if (!smu->ppt_funcs->get_gfx_off_status)
129 return -EINVAL;
130
131 *value = smu_get_gfx_off_status(smu);
132
133 return 0;
134 }
135
smu_set_soft_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t min,uint32_t max)136 int smu_set_soft_freq_range(struct smu_context *smu,
137 enum smu_clk_type clk_type,
138 uint32_t min,
139 uint32_t max)
140 {
141 int ret = 0;
142
143 if (smu->ppt_funcs->set_soft_freq_limited_range)
144 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
145 clk_type,
146 min,
147 max);
148
149 return ret;
150 }
151
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)152 int smu_get_dpm_freq_range(struct smu_context *smu,
153 enum smu_clk_type clk_type,
154 uint32_t *min,
155 uint32_t *max)
156 {
157 int ret = -ENOTSUPP;
158
159 if (!min && !max)
160 return -EINVAL;
161
162 if (smu->ppt_funcs->get_dpm_ultimate_freq)
163 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
164 clk_type,
165 min,
166 max);
167
168 return ret;
169 }
170
smu_set_gfx_power_up_by_imu(struct smu_context * smu)171 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
172 {
173 int ret = 0;
174 struct amdgpu_device *adev = smu->adev;
175
176 if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
177 ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
178 if (ret)
179 dev_err(adev->dev, "Failed to enable gfx imu!\n");
180 }
181 return ret;
182 }
183
smu_get_mclk(void * handle,bool low)184 static u32 smu_get_mclk(void *handle, bool low)
185 {
186 struct smu_context *smu = handle;
187 uint32_t clk_freq;
188 int ret = 0;
189
190 ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
191 low ? &clk_freq : NULL,
192 !low ? &clk_freq : NULL);
193 if (ret)
194 return 0;
195 return clk_freq * 100;
196 }
197
smu_get_sclk(void * handle,bool low)198 static u32 smu_get_sclk(void *handle, bool low)
199 {
200 struct smu_context *smu = handle;
201 uint32_t clk_freq;
202 int ret = 0;
203
204 ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
205 low ? &clk_freq : NULL,
206 !low ? &clk_freq : NULL);
207 if (ret)
208 return 0;
209 return clk_freq * 100;
210 }
211
smu_set_gfx_imu_enable(struct smu_context * smu)212 static int smu_set_gfx_imu_enable(struct smu_context *smu)
213 {
214 struct amdgpu_device *adev = smu->adev;
215
216 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
217 return 0;
218
219 if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
220 return 0;
221
222 return smu_set_gfx_power_up_by_imu(smu);
223 }
224
is_vcn_enabled(struct amdgpu_device * adev)225 static bool is_vcn_enabled(struct amdgpu_device *adev)
226 {
227 int i;
228
229 for (i = 0; i < adev->num_ip_blocks; i++) {
230 if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCN ||
231 adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_JPEG) &&
232 !adev->ip_blocks[i].status.valid)
233 return false;
234 }
235
236 return true;
237 }
238
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable)239 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
240 bool enable)
241 {
242 struct smu_power_context *smu_power = &smu->smu_power;
243 struct smu_power_gate *power_gate = &smu_power->power_gate;
244 int ret = 0;
245
246 /*
247 * don't poweron vcn/jpeg when they are skipped.
248 */
249 if (!is_vcn_enabled(smu->adev))
250 return 0;
251
252 if (!smu->ppt_funcs->dpm_set_vcn_enable)
253 return 0;
254
255 if (atomic_read(&power_gate->vcn_gated) ^ enable)
256 return 0;
257
258 ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
259 if (!ret)
260 atomic_set(&power_gate->vcn_gated, !enable);
261
262 return ret;
263 }
264
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)265 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
266 bool enable)
267 {
268 struct smu_power_context *smu_power = &smu->smu_power;
269 struct smu_power_gate *power_gate = &smu_power->power_gate;
270 int ret = 0;
271
272 if (!is_vcn_enabled(smu->adev))
273 return 0;
274
275 if (!smu->ppt_funcs->dpm_set_jpeg_enable)
276 return 0;
277
278 if (atomic_read(&power_gate->jpeg_gated) ^ enable)
279 return 0;
280
281 ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
282 if (!ret)
283 atomic_set(&power_gate->jpeg_gated, !enable);
284
285 return ret;
286 }
287
smu_dpm_set_vpe_enable(struct smu_context * smu,bool enable)288 static int smu_dpm_set_vpe_enable(struct smu_context *smu,
289 bool enable)
290 {
291 struct smu_power_context *smu_power = &smu->smu_power;
292 struct smu_power_gate *power_gate = &smu_power->power_gate;
293 int ret = 0;
294
295 if (!smu->ppt_funcs->dpm_set_vpe_enable)
296 return 0;
297
298 if (atomic_read(&power_gate->vpe_gated) ^ enable)
299 return 0;
300
301 ret = smu->ppt_funcs->dpm_set_vpe_enable(smu, enable);
302 if (!ret)
303 atomic_set(&power_gate->vpe_gated, !enable);
304
305 return ret;
306 }
307
smu_dpm_set_umsch_mm_enable(struct smu_context * smu,bool enable)308 static int smu_dpm_set_umsch_mm_enable(struct smu_context *smu,
309 bool enable)
310 {
311 struct smu_power_context *smu_power = &smu->smu_power;
312 struct smu_power_gate *power_gate = &smu_power->power_gate;
313 int ret = 0;
314
315 if (!smu->adev->enable_umsch_mm)
316 return 0;
317
318 if (!smu->ppt_funcs->dpm_set_umsch_mm_enable)
319 return 0;
320
321 if (atomic_read(&power_gate->umsch_mm_gated) ^ enable)
322 return 0;
323
324 ret = smu->ppt_funcs->dpm_set_umsch_mm_enable(smu, enable);
325 if (!ret)
326 atomic_set(&power_gate->umsch_mm_gated, !enable);
327
328 return ret;
329 }
330
smu_set_mall_enable(struct smu_context * smu)331 static int smu_set_mall_enable(struct smu_context *smu)
332 {
333 int ret = 0;
334
335 if (!smu->ppt_funcs->set_mall_enable)
336 return 0;
337
338 ret = smu->ppt_funcs->set_mall_enable(smu);
339
340 return ret;
341 }
342
343 /**
344 * smu_dpm_set_power_gate - power gate/ungate the specific IP block
345 *
346 * @handle: smu_context pointer
347 * @block_type: the IP block to power gate/ungate
348 * @gate: to power gate if true, ungate otherwise
349 *
350 * This API uses no smu->mutex lock protection due to:
351 * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
352 * This is guarded to be race condition free by the caller.
353 * 2. Or get called on user setting request of power_dpm_force_performance_level.
354 * Under this case, the smu->mutex lock protection is already enforced on
355 * the parent API smu_force_performance_level of the call path.
356 */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate)357 static int smu_dpm_set_power_gate(void *handle,
358 uint32_t block_type,
359 bool gate)
360 {
361 struct smu_context *smu = handle;
362 int ret = 0;
363
364 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
365 dev_WARN(smu->adev->dev,
366 "SMU uninitialized but power %s requested for %u!\n",
367 gate ? "gate" : "ungate", block_type);
368 return -EOPNOTSUPP;
369 }
370
371 switch (block_type) {
372 /*
373 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
374 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
375 */
376 case AMD_IP_BLOCK_TYPE_UVD:
377 case AMD_IP_BLOCK_TYPE_VCN:
378 ret = smu_dpm_set_vcn_enable(smu, !gate);
379 if (ret)
380 dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
381 gate ? "gate" : "ungate");
382 break;
383 case AMD_IP_BLOCK_TYPE_GFX:
384 ret = smu_gfx_off_control(smu, gate);
385 if (ret)
386 dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
387 gate ? "enable" : "disable");
388 break;
389 case AMD_IP_BLOCK_TYPE_SDMA:
390 ret = smu_powergate_sdma(smu, gate);
391 if (ret)
392 dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
393 gate ? "gate" : "ungate");
394 break;
395 case AMD_IP_BLOCK_TYPE_JPEG:
396 ret = smu_dpm_set_jpeg_enable(smu, !gate);
397 if (ret)
398 dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
399 gate ? "gate" : "ungate");
400 break;
401 case AMD_IP_BLOCK_TYPE_VPE:
402 ret = smu_dpm_set_vpe_enable(smu, !gate);
403 if (ret)
404 dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
405 gate ? "gate" : "ungate");
406 break;
407 default:
408 dev_err(smu->adev->dev, "Unsupported block type!\n");
409 return -EINVAL;
410 }
411
412 return ret;
413 }
414
415 /**
416 * smu_set_user_clk_dependencies - set user profile clock dependencies
417 *
418 * @smu: smu_context pointer
419 * @clk: enum smu_clk_type type
420 *
421 * Enable/Disable the clock dependency for the @clk type.
422 */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)423 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
424 {
425 if (smu->adev->in_suspend)
426 return;
427
428 if (clk == SMU_MCLK) {
429 smu->user_dpm_profile.clk_dependency = 0;
430 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
431 } else if (clk == SMU_FCLK) {
432 /* MCLK takes precedence over FCLK */
433 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
434 return;
435
436 smu->user_dpm_profile.clk_dependency = 0;
437 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
438 } else if (clk == SMU_SOCCLK) {
439 /* MCLK takes precedence over SOCCLK */
440 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
441 return;
442
443 smu->user_dpm_profile.clk_dependency = 0;
444 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
445 } else
446 /* Add clk dependencies here, if any */
447 return;
448 }
449
450 /**
451 * smu_restore_dpm_user_profile - reinstate user dpm profile
452 *
453 * @smu: smu_context pointer
454 *
455 * Restore the saved user power configurations include power limit,
456 * clock frequencies, fan control mode and fan speed.
457 */
smu_restore_dpm_user_profile(struct smu_context * smu)458 static void smu_restore_dpm_user_profile(struct smu_context *smu)
459 {
460 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
461 int ret = 0;
462
463 if (!smu->adev->in_suspend)
464 return;
465
466 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
467 return;
468
469 /* Enable restore flag */
470 smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
471
472 /* set the user dpm power limit */
473 if (smu->user_dpm_profile.power_limit) {
474 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
475 if (ret)
476 dev_err(smu->adev->dev, "Failed to set power limit value\n");
477 }
478
479 /* set the user dpm clock configurations */
480 if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
481 enum smu_clk_type clk_type;
482
483 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
484 /*
485 * Iterate over smu clk type and force the saved user clk
486 * configs, skip if clock dependency is enabled
487 */
488 if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
489 smu->user_dpm_profile.clk_mask[clk_type]) {
490 ret = smu_force_smuclk_levels(smu, clk_type,
491 smu->user_dpm_profile.clk_mask[clk_type]);
492 if (ret)
493 dev_err(smu->adev->dev,
494 "Failed to set clock type = %d\n", clk_type);
495 }
496 }
497 }
498
499 /* set the user dpm fan configurations */
500 if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
501 smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
502 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
503 if (ret != -EOPNOTSUPP) {
504 smu->user_dpm_profile.fan_speed_pwm = 0;
505 smu->user_dpm_profile.fan_speed_rpm = 0;
506 smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
507 dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
508 }
509
510 if (smu->user_dpm_profile.fan_speed_pwm) {
511 ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
512 if (ret != -EOPNOTSUPP)
513 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
514 }
515
516 if (smu->user_dpm_profile.fan_speed_rpm) {
517 ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
518 if (ret != -EOPNOTSUPP)
519 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
520 }
521 }
522
523 /* Restore user customized OD settings */
524 if (smu->user_dpm_profile.user_od) {
525 if (smu->ppt_funcs->restore_user_od_settings) {
526 ret = smu->ppt_funcs->restore_user_od_settings(smu);
527 if (ret)
528 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
529 }
530 }
531
532 /* Disable restore flag */
533 smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
534 }
535
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)536 static int smu_get_power_num_states(void *handle,
537 struct pp_states_info *state_info)
538 {
539 if (!state_info)
540 return -EINVAL;
541
542 /* not support power state */
543 memset(state_info, 0, sizeof(struct pp_states_info));
544 state_info->nums = 1;
545 state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
546
547 return 0;
548 }
549
is_support_sw_smu(struct amdgpu_device * adev)550 bool is_support_sw_smu(struct amdgpu_device *adev)
551 {
552 /* vega20 is 11.0.2, but it's supported via the powerplay code */
553 if (adev->asic_type == CHIP_VEGA20)
554 return false;
555
556 if (amdgpu_ip_version(adev, MP1_HWIP, 0) >= IP_VERSION(11, 0, 0))
557 return true;
558
559 return false;
560 }
561
is_support_cclk_dpm(struct amdgpu_device * adev)562 bool is_support_cclk_dpm(struct amdgpu_device *adev)
563 {
564 struct smu_context *smu = adev->powerplay.pp_handle;
565
566 if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
567 return false;
568
569 return true;
570 }
571
572
smu_sys_get_pp_table(void * handle,char ** table)573 static int smu_sys_get_pp_table(void *handle,
574 char **table)
575 {
576 struct smu_context *smu = handle;
577 struct smu_table_context *smu_table = &smu->smu_table;
578
579 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
580 return -EOPNOTSUPP;
581
582 if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
583 return -EINVAL;
584
585 if (smu_table->hardcode_pptable)
586 *table = smu_table->hardcode_pptable;
587 else
588 *table = smu_table->power_play_table;
589
590 return smu_table->power_play_table_size;
591 }
592
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)593 static int smu_sys_set_pp_table(void *handle,
594 const char *buf,
595 size_t size)
596 {
597 struct smu_context *smu = handle;
598 struct smu_table_context *smu_table = &smu->smu_table;
599 ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
600 int ret = 0;
601
602 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
603 return -EOPNOTSUPP;
604
605 if (header->usStructureSize != size) {
606 dev_err(smu->adev->dev, "pp table size not matched !\n");
607 return -EIO;
608 }
609
610 if (!smu_table->hardcode_pptable || smu_table->power_play_table_size < size) {
611 kfree(smu_table->hardcode_pptable);
612 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
613 if (!smu_table->hardcode_pptable)
614 return -ENOMEM;
615 }
616
617 memcpy(smu_table->hardcode_pptable, buf, size);
618 smu_table->power_play_table = smu_table->hardcode_pptable;
619 smu_table->power_play_table_size = size;
620
621 /*
622 * Special hw_fini action(for Navi1x, the DPMs disablement will be
623 * skipped) may be needed for custom pptable uploading.
624 */
625 smu->uploading_custom_pp_table = true;
626
627 ret = smu_reset(smu);
628 if (ret)
629 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
630
631 smu->uploading_custom_pp_table = false;
632
633 return ret;
634 }
635
smu_get_driver_allowed_feature_mask(struct smu_context * smu)636 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
637 {
638 struct smu_feature *feature = &smu->smu_feature;
639 uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
640 int ret = 0;
641
642 /*
643 * With SCPM enabled, the allowed featuremasks setting(via
644 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
645 * That means there is no way to let PMFW knows the settings below.
646 * Thus, we just assume all the features are allowed under
647 * such scenario.
648 */
649 if (smu->adev->scpm_enabled) {
650 bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
651 return 0;
652 }
653
654 bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
655
656 ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
657 SMU_FEATURE_MAX/32);
658 if (ret)
659 return ret;
660
661 bitmap_or(feature->allowed, feature->allowed,
662 (unsigned long *)allowed_feature_mask,
663 feature->feature_num);
664
665 return ret;
666 }
667
smu_set_funcs(struct amdgpu_device * adev)668 static int smu_set_funcs(struct amdgpu_device *adev)
669 {
670 struct smu_context *smu = adev->powerplay.pp_handle;
671
672 if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
673 smu->od_enabled = true;
674
675 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
676 case IP_VERSION(11, 0, 0):
677 case IP_VERSION(11, 0, 5):
678 case IP_VERSION(11, 0, 9):
679 navi10_set_ppt_funcs(smu);
680 break;
681 case IP_VERSION(11, 0, 7):
682 case IP_VERSION(11, 0, 11):
683 case IP_VERSION(11, 0, 12):
684 case IP_VERSION(11, 0, 13):
685 sienna_cichlid_set_ppt_funcs(smu);
686 break;
687 case IP_VERSION(12, 0, 0):
688 case IP_VERSION(12, 0, 1):
689 renoir_set_ppt_funcs(smu);
690 break;
691 case IP_VERSION(11, 5, 0):
692 vangogh_set_ppt_funcs(smu);
693 break;
694 case IP_VERSION(13, 0, 1):
695 case IP_VERSION(13, 0, 3):
696 case IP_VERSION(13, 0, 8):
697 yellow_carp_set_ppt_funcs(smu);
698 break;
699 case IP_VERSION(13, 0, 4):
700 case IP_VERSION(13, 0, 11):
701 smu_v13_0_4_set_ppt_funcs(smu);
702 break;
703 case IP_VERSION(13, 0, 5):
704 smu_v13_0_5_set_ppt_funcs(smu);
705 break;
706 case IP_VERSION(11, 0, 8):
707 cyan_skillfish_set_ppt_funcs(smu);
708 break;
709 case IP_VERSION(11, 0, 2):
710 adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
711 arcturus_set_ppt_funcs(smu);
712 /* OD is not supported on Arcturus */
713 smu->od_enabled = false;
714 break;
715 case IP_VERSION(13, 0, 2):
716 aldebaran_set_ppt_funcs(smu);
717 /* Enable pp_od_clk_voltage node */
718 smu->od_enabled = true;
719 break;
720 case IP_VERSION(13, 0, 0):
721 case IP_VERSION(13, 0, 10):
722 smu_v13_0_0_set_ppt_funcs(smu);
723 break;
724 case IP_VERSION(13, 0, 6):
725 case IP_VERSION(13, 0, 14):
726 smu_v13_0_6_set_ppt_funcs(smu);
727 /* Enable pp_od_clk_voltage node */
728 smu->od_enabled = true;
729 break;
730 case IP_VERSION(13, 0, 7):
731 smu_v13_0_7_set_ppt_funcs(smu);
732 break;
733 case IP_VERSION(14, 0, 0):
734 case IP_VERSION(14, 0, 1):
735 case IP_VERSION(14, 0, 4):
736 smu_v14_0_0_set_ppt_funcs(smu);
737 break;
738 case IP_VERSION(14, 0, 2):
739 case IP_VERSION(14, 0, 3):
740 smu_v14_0_2_set_ppt_funcs(smu);
741 break;
742 default:
743 return -EINVAL;
744 }
745
746 return 0;
747 }
748
smu_early_init(void * handle)749 static int smu_early_init(void *handle)
750 {
751 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
752 struct smu_context *smu;
753 int r;
754
755 smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
756 if (!smu)
757 return -ENOMEM;
758
759 smu->adev = adev;
760 smu->pm_enabled = !!amdgpu_dpm;
761 smu->is_apu = false;
762 smu->smu_baco.state = SMU_BACO_STATE_NONE;
763 smu->smu_baco.platform_support = false;
764 smu->smu_baco.maco_support = false;
765 smu->user_dpm_profile.fan_mode = -1;
766
767 mutex_init(&smu->message_lock);
768
769 adev->powerplay.pp_handle = smu;
770 adev->powerplay.pp_funcs = &swsmu_pm_funcs;
771
772 r = smu_set_funcs(adev);
773 if (r)
774 return r;
775 return smu_init_microcode(smu);
776 }
777
smu_set_default_dpm_table(struct smu_context * smu)778 static int smu_set_default_dpm_table(struct smu_context *smu)
779 {
780 struct amdgpu_device *adev = smu->adev;
781 struct smu_power_context *smu_power = &smu->smu_power;
782 struct smu_power_gate *power_gate = &smu_power->power_gate;
783 int vcn_gate, jpeg_gate;
784 int ret = 0;
785
786 if (!smu->ppt_funcs->set_default_dpm_table)
787 return 0;
788
789 if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
790 vcn_gate = atomic_read(&power_gate->vcn_gated);
791 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
792 jpeg_gate = atomic_read(&power_gate->jpeg_gated);
793
794 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
795 ret = smu_dpm_set_vcn_enable(smu, true);
796 if (ret)
797 return ret;
798 }
799
800 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
801 ret = smu_dpm_set_jpeg_enable(smu, true);
802 if (ret)
803 goto err_out;
804 }
805
806 ret = smu->ppt_funcs->set_default_dpm_table(smu);
807 if (ret)
808 dev_err(smu->adev->dev,
809 "Failed to setup default dpm clock tables!\n");
810
811 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
812 smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
813 err_out:
814 if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
815 smu_dpm_set_vcn_enable(smu, !vcn_gate);
816
817 return ret;
818 }
819
smu_apply_default_config_table_settings(struct smu_context * smu)820 static int smu_apply_default_config_table_settings(struct smu_context *smu)
821 {
822 struct amdgpu_device *adev = smu->adev;
823 int ret = 0;
824
825 ret = smu_get_default_config_table_settings(smu,
826 &adev->pm.config_table);
827 if (ret)
828 return ret;
829
830 return smu_set_config_table(smu, &adev->pm.config_table);
831 }
832
smu_late_init(void * handle)833 static int smu_late_init(void *handle)
834 {
835 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
836 struct smu_context *smu = adev->powerplay.pp_handle;
837 int ret = 0;
838
839 smu_set_fine_grain_gfx_freq_parameters(smu);
840
841 if (!smu->pm_enabled)
842 return 0;
843
844 ret = smu_post_init(smu);
845 if (ret) {
846 dev_err(adev->dev, "Failed to post smu init!\n");
847 return ret;
848 }
849
850 /*
851 * Explicitly notify PMFW the power mode the system in. Since
852 * the PMFW may boot the ASIC with a different mode.
853 * For those supporting ACDC switch via gpio, PMFW will
854 * handle the switch automatically. Driver involvement
855 * is unnecessary.
856 */
857 adev->pm.ac_power = power_supply_is_system_supplied() > 0;
858 smu_set_ac_dc(smu);
859
860 if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) ||
861 (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3)))
862 return 0;
863
864 if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
865 ret = smu_set_default_od_settings(smu);
866 if (ret) {
867 dev_err(adev->dev, "Failed to setup default OD settings!\n");
868 return ret;
869 }
870 }
871
872 ret = smu_populate_umd_state_clk(smu);
873 if (ret) {
874 dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
875 return ret;
876 }
877
878 ret = smu_get_asic_power_limits(smu,
879 &smu->current_power_limit,
880 &smu->default_power_limit,
881 &smu->max_power_limit,
882 &smu->min_power_limit);
883 if (ret) {
884 dev_err(adev->dev, "Failed to get asic power limits!\n");
885 return ret;
886 }
887
888 if (!amdgpu_sriov_vf(adev))
889 smu_get_unique_id(smu);
890
891 smu_get_fan_parameters(smu);
892
893 smu_handle_task(smu,
894 smu->smu_dpm.dpm_level,
895 AMD_PP_TASK_COMPLETE_INIT);
896
897 ret = smu_apply_default_config_table_settings(smu);
898 if (ret && (ret != -EOPNOTSUPP)) {
899 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
900 return ret;
901 }
902
903 smu_restore_dpm_user_profile(smu);
904
905 return 0;
906 }
907
smu_init_fb_allocations(struct smu_context * smu)908 static int smu_init_fb_allocations(struct smu_context *smu)
909 {
910 struct amdgpu_device *adev = smu->adev;
911 struct smu_table_context *smu_table = &smu->smu_table;
912 struct smu_table *tables = smu_table->tables;
913 struct smu_table *driver_table = &(smu_table->driver_table);
914 uint32_t max_table_size = 0;
915 int ret, i;
916
917 /* VRAM allocation for tool table */
918 if (tables[SMU_TABLE_PMSTATUSLOG].size) {
919 ret = amdgpu_bo_create_kernel(adev,
920 tables[SMU_TABLE_PMSTATUSLOG].size,
921 tables[SMU_TABLE_PMSTATUSLOG].align,
922 tables[SMU_TABLE_PMSTATUSLOG].domain,
923 &tables[SMU_TABLE_PMSTATUSLOG].bo,
924 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
925 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
926 if (ret) {
927 dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
928 return ret;
929 }
930 }
931
932 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
933 /* VRAM allocation for driver table */
934 for (i = 0; i < SMU_TABLE_COUNT; i++) {
935 if (tables[i].size == 0)
936 continue;
937
938 /* If one of the tables has VRAM domain restriction, keep it in
939 * VRAM
940 */
941 if ((tables[i].domain &
942 (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
943 AMDGPU_GEM_DOMAIN_VRAM)
944 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
945
946 if (i == SMU_TABLE_PMSTATUSLOG)
947 continue;
948
949 if (max_table_size < tables[i].size)
950 max_table_size = tables[i].size;
951 }
952
953 driver_table->size = max_table_size;
954 driver_table->align = PAGE_SIZE;
955
956 ret = amdgpu_bo_create_kernel(adev,
957 driver_table->size,
958 driver_table->align,
959 driver_table->domain,
960 &driver_table->bo,
961 &driver_table->mc_address,
962 &driver_table->cpu_addr);
963 if (ret) {
964 dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
965 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
966 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
967 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
968 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
969 }
970
971 return ret;
972 }
973
smu_fini_fb_allocations(struct smu_context * smu)974 static int smu_fini_fb_allocations(struct smu_context *smu)
975 {
976 struct smu_table_context *smu_table = &smu->smu_table;
977 struct smu_table *tables = smu_table->tables;
978 struct smu_table *driver_table = &(smu_table->driver_table);
979
980 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
981 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
982 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
983 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
984
985 amdgpu_bo_free_kernel(&driver_table->bo,
986 &driver_table->mc_address,
987 &driver_table->cpu_addr);
988
989 return 0;
990 }
991
992 /**
993 * smu_alloc_memory_pool - allocate memory pool in the system memory
994 *
995 * @smu: amdgpu_device pointer
996 *
997 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
998 * and DramLogSetDramAddr can notify it changed.
999 *
1000 * Returns 0 on success, error on failure.
1001 */
smu_alloc_memory_pool(struct smu_context * smu)1002 static int smu_alloc_memory_pool(struct smu_context *smu)
1003 {
1004 struct amdgpu_device *adev = smu->adev;
1005 struct smu_table_context *smu_table = &smu->smu_table;
1006 struct smu_table *memory_pool = &smu_table->memory_pool;
1007 uint64_t pool_size = smu->pool_size;
1008 int ret = 0;
1009
1010 if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
1011 return ret;
1012
1013 memory_pool->size = pool_size;
1014 memory_pool->align = PAGE_SIZE;
1015 memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
1016
1017 switch (pool_size) {
1018 case SMU_MEMORY_POOL_SIZE_256_MB:
1019 case SMU_MEMORY_POOL_SIZE_512_MB:
1020 case SMU_MEMORY_POOL_SIZE_1_GB:
1021 case SMU_MEMORY_POOL_SIZE_2_GB:
1022 ret = amdgpu_bo_create_kernel(adev,
1023 memory_pool->size,
1024 memory_pool->align,
1025 memory_pool->domain,
1026 &memory_pool->bo,
1027 &memory_pool->mc_address,
1028 &memory_pool->cpu_addr);
1029 if (ret)
1030 dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
1031 break;
1032 default:
1033 break;
1034 }
1035
1036 return ret;
1037 }
1038
smu_free_memory_pool(struct smu_context * smu)1039 static int smu_free_memory_pool(struct smu_context *smu)
1040 {
1041 struct smu_table_context *smu_table = &smu->smu_table;
1042 struct smu_table *memory_pool = &smu_table->memory_pool;
1043
1044 if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
1045 return 0;
1046
1047 amdgpu_bo_free_kernel(&memory_pool->bo,
1048 &memory_pool->mc_address,
1049 &memory_pool->cpu_addr);
1050
1051 memset(memory_pool, 0, sizeof(struct smu_table));
1052
1053 return 0;
1054 }
1055
smu_alloc_dummy_read_table(struct smu_context * smu)1056 static int smu_alloc_dummy_read_table(struct smu_context *smu)
1057 {
1058 struct smu_table_context *smu_table = &smu->smu_table;
1059 struct smu_table *dummy_read_1_table =
1060 &smu_table->dummy_read_1_table;
1061 struct amdgpu_device *adev = smu->adev;
1062 int ret = 0;
1063
1064 if (!dummy_read_1_table->size)
1065 return 0;
1066
1067 ret = amdgpu_bo_create_kernel(adev,
1068 dummy_read_1_table->size,
1069 dummy_read_1_table->align,
1070 dummy_read_1_table->domain,
1071 &dummy_read_1_table->bo,
1072 &dummy_read_1_table->mc_address,
1073 &dummy_read_1_table->cpu_addr);
1074 if (ret)
1075 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
1076
1077 return ret;
1078 }
1079
smu_free_dummy_read_table(struct smu_context * smu)1080 static void smu_free_dummy_read_table(struct smu_context *smu)
1081 {
1082 struct smu_table_context *smu_table = &smu->smu_table;
1083 struct smu_table *dummy_read_1_table =
1084 &smu_table->dummy_read_1_table;
1085
1086
1087 amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
1088 &dummy_read_1_table->mc_address,
1089 &dummy_read_1_table->cpu_addr);
1090
1091 memset(dummy_read_1_table, 0, sizeof(struct smu_table));
1092 }
1093
smu_smc_table_sw_init(struct smu_context * smu)1094 static int smu_smc_table_sw_init(struct smu_context *smu)
1095 {
1096 int ret;
1097
1098 /**
1099 * Create smu_table structure, and init smc tables such as
1100 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
1101 */
1102 ret = smu_init_smc_tables(smu);
1103 if (ret) {
1104 dev_err(smu->adev->dev, "Failed to init smc tables!\n");
1105 return ret;
1106 }
1107
1108 /**
1109 * Create smu_power_context structure, and allocate smu_dpm_context and
1110 * context size to fill the smu_power_context data.
1111 */
1112 ret = smu_init_power(smu);
1113 if (ret) {
1114 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1115 return ret;
1116 }
1117
1118 /*
1119 * allocate vram bos to store smc table contents.
1120 */
1121 ret = smu_init_fb_allocations(smu);
1122 if (ret)
1123 return ret;
1124
1125 ret = smu_alloc_memory_pool(smu);
1126 if (ret)
1127 return ret;
1128
1129 ret = smu_alloc_dummy_read_table(smu);
1130 if (ret)
1131 return ret;
1132
1133 ret = smu_i2c_init(smu);
1134 if (ret)
1135 return ret;
1136
1137 return 0;
1138 }
1139
smu_smc_table_sw_fini(struct smu_context * smu)1140 static int smu_smc_table_sw_fini(struct smu_context *smu)
1141 {
1142 int ret;
1143
1144 smu_i2c_fini(smu);
1145
1146 smu_free_dummy_read_table(smu);
1147
1148 ret = smu_free_memory_pool(smu);
1149 if (ret)
1150 return ret;
1151
1152 ret = smu_fini_fb_allocations(smu);
1153 if (ret)
1154 return ret;
1155
1156 ret = smu_fini_power(smu);
1157 if (ret) {
1158 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1159 return ret;
1160 }
1161
1162 ret = smu_fini_smc_tables(smu);
1163 if (ret) {
1164 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1165 return ret;
1166 }
1167
1168 return 0;
1169 }
1170
smu_throttling_logging_work_fn(struct work_struct * work)1171 static void smu_throttling_logging_work_fn(struct work_struct *work)
1172 {
1173 struct smu_context *smu = container_of(work, struct smu_context,
1174 throttling_logging_work);
1175
1176 smu_log_thermal_throttling(smu);
1177 }
1178
smu_interrupt_work_fn(struct work_struct * work)1179 static void smu_interrupt_work_fn(struct work_struct *work)
1180 {
1181 struct smu_context *smu = container_of(work, struct smu_context,
1182 interrupt_work);
1183
1184 if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1185 smu->ppt_funcs->interrupt_work(smu);
1186 }
1187
smu_swctf_delayed_work_handler(struct work_struct * work)1188 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1189 {
1190 struct smu_context *smu =
1191 container_of(work, struct smu_context, swctf_delayed_work.work);
1192 struct smu_temperature_range *range =
1193 &smu->thermal_range;
1194 struct amdgpu_device *adev = smu->adev;
1195 uint32_t hotspot_tmp, size;
1196
1197 /*
1198 * If the hotspot temperature is confirmed as below SW CTF setting point
1199 * after the delay enforced, nothing will be done.
1200 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1201 */
1202 if (range->software_shutdown_temp &&
1203 smu->ppt_funcs->read_sensor &&
1204 !smu->ppt_funcs->read_sensor(smu,
1205 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1206 &hotspot_tmp,
1207 &size) &&
1208 hotspot_tmp / 1000 < range->software_shutdown_temp)
1209 return;
1210
1211 dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1212 dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1213 orderly_poweroff(true);
1214 }
1215
smu_init_xgmi_plpd_mode(struct smu_context * smu)1216 static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
1217 {
1218 struct smu_dpm_context *dpm_ctxt = &(smu->smu_dpm);
1219 struct smu_dpm_policy_ctxt *policy_ctxt;
1220 struct smu_dpm_policy *policy;
1221
1222 policy = smu_get_pm_policy(smu, PP_PM_POLICY_XGMI_PLPD);
1223 if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
1224 if (policy)
1225 policy->current_level = XGMI_PLPD_DEFAULT;
1226 return;
1227 }
1228
1229 /* PMFW put PLPD into default policy after enabling the feature */
1230 if (smu_feature_is_enabled(smu,
1231 SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT)) {
1232 if (policy)
1233 policy->current_level = XGMI_PLPD_DEFAULT;
1234 } else {
1235 policy_ctxt = dpm_ctxt->dpm_policies;
1236 if (policy_ctxt)
1237 policy_ctxt->policy_mask &=
1238 ~BIT(PP_PM_POLICY_XGMI_PLPD);
1239 }
1240 }
1241
smu_is_workload_profile_available(struct smu_context * smu,u32 profile)1242 static bool smu_is_workload_profile_available(struct smu_context *smu,
1243 u32 profile)
1244 {
1245 if (profile >= PP_SMC_POWER_PROFILE_COUNT)
1246 return false;
1247 return smu->workload_map && smu->workload_map[profile].valid_mapping;
1248 }
1249
smu_sw_init(void * handle)1250 static int smu_sw_init(void *handle)
1251 {
1252 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1253 struct smu_context *smu = adev->powerplay.pp_handle;
1254 int ret;
1255
1256 smu->pool_size = adev->pm.smu_prv_buffer_size;
1257 smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1258 bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1259 bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1260
1261 INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1262 INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1263 atomic64_set(&smu->throttle_int_counter, 0);
1264 smu->watermarks_bitmap = 0;
1265
1266 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1267 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1268 atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1269 atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1270
1271 if (smu->is_apu ||
1272 !smu_is_workload_profile_available(smu, PP_SMC_POWER_PROFILE_FULLSCREEN3D))
1273 smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1274 else
1275 smu->power_profile_mode = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1276 smu_power_profile_mode_get(smu, smu->power_profile_mode);
1277
1278 smu->display_config = &adev->pm.pm_display_cfg;
1279
1280 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1281 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1282
1283 INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1284 smu_swctf_delayed_work_handler);
1285
1286 ret = smu_smc_table_sw_init(smu);
1287 if (ret) {
1288 dev_err(adev->dev, "Failed to sw init smc table!\n");
1289 return ret;
1290 }
1291
1292 /* get boot_values from vbios to set revision, gfxclk, and etc. */
1293 ret = smu_get_vbios_bootup_values(smu);
1294 if (ret) {
1295 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1296 return ret;
1297 }
1298
1299 ret = smu_init_pptable_microcode(smu);
1300 if (ret) {
1301 dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1302 return ret;
1303 }
1304
1305 ret = smu_register_irq_handler(smu);
1306 if (ret) {
1307 dev_err(adev->dev, "Failed to register smc irq handler!\n");
1308 return ret;
1309 }
1310
1311 /* If there is no way to query fan control mode, fan control is not supported */
1312 if (!smu->ppt_funcs->get_fan_control_mode)
1313 smu->adev->pm.no_fan = true;
1314
1315 return 0;
1316 }
1317
smu_sw_fini(void * handle)1318 static int smu_sw_fini(void *handle)
1319 {
1320 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1321 struct smu_context *smu = adev->powerplay.pp_handle;
1322 int ret;
1323
1324 ret = smu_smc_table_sw_fini(smu);
1325 if (ret) {
1326 dev_err(adev->dev, "Failed to sw fini smc table!\n");
1327 return ret;
1328 }
1329
1330 if (smu->custom_profile_params) {
1331 kfree(smu->custom_profile_params);
1332 smu->custom_profile_params = NULL;
1333 }
1334
1335 smu_fini_microcode(smu);
1336
1337 return 0;
1338 }
1339
smu_get_thermal_temperature_range(struct smu_context * smu)1340 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1341 {
1342 struct amdgpu_device *adev = smu->adev;
1343 struct smu_temperature_range *range =
1344 &smu->thermal_range;
1345 int ret = 0;
1346
1347 if (!smu->ppt_funcs->get_thermal_temperature_range)
1348 return 0;
1349
1350 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1351 if (ret)
1352 return ret;
1353
1354 adev->pm.dpm.thermal.min_temp = range->min;
1355 adev->pm.dpm.thermal.max_temp = range->max;
1356 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1357 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1358 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1359 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1360 adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1361 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1362 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1363
1364 return ret;
1365 }
1366
1367 /**
1368 * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1369 *
1370 * @smu: smu_context pointer
1371 *
1372 * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1373 * Returns 0 on success, error on failure.
1374 */
smu_wbrf_handle_exclusion_ranges(struct smu_context * smu)1375 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1376 {
1377 struct wbrf_ranges_in_out wbrf_exclusion = {0};
1378 struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1379 struct amdgpu_device *adev = smu->adev;
1380 uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1381 uint64_t start, end;
1382 int ret, i, j;
1383
1384 ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1385 if (ret) {
1386 dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1387 return ret;
1388 }
1389
1390 /*
1391 * The exclusion ranges array we got might be filled with holes and duplicate
1392 * entries. For example:
1393 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1394 * We need to do some sortups to eliminate those holes and duplicate entries.
1395 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1396 */
1397 for (i = 0; i < num_of_wbrf_ranges; i++) {
1398 start = wifi_bands[i].start;
1399 end = wifi_bands[i].end;
1400
1401 /* get the last valid entry to fill the intermediate hole */
1402 if (!start && !end) {
1403 for (j = num_of_wbrf_ranges - 1; j > i; j--)
1404 if (wifi_bands[j].start && wifi_bands[j].end)
1405 break;
1406
1407 /* no valid entry left */
1408 if (j <= i)
1409 break;
1410
1411 start = wifi_bands[i].start = wifi_bands[j].start;
1412 end = wifi_bands[i].end = wifi_bands[j].end;
1413 wifi_bands[j].start = 0;
1414 wifi_bands[j].end = 0;
1415 num_of_wbrf_ranges = j;
1416 }
1417
1418 /* eliminate duplicate entries */
1419 for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1420 if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1421 wifi_bands[j].start = 0;
1422 wifi_bands[j].end = 0;
1423 }
1424 }
1425 }
1426
1427 /* Send the sorted wifi_bands to PMFW */
1428 ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1429 /* Try to set the wifi_bands again */
1430 if (unlikely(ret == -EBUSY)) {
1431 mdelay(5);
1432 ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1433 }
1434
1435 return ret;
1436 }
1437
1438 /**
1439 * smu_wbrf_event_handler - handle notify events
1440 *
1441 * @nb: notifier block
1442 * @action: event type
1443 * @_arg: event data
1444 *
1445 * Calls relevant amdgpu function in response to wbrf event
1446 * notification from kernel.
1447 */
smu_wbrf_event_handler(struct notifier_block * nb,unsigned long action,void * _arg)1448 static int smu_wbrf_event_handler(struct notifier_block *nb,
1449 unsigned long action, void *_arg)
1450 {
1451 struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1452
1453 switch (action) {
1454 case WBRF_CHANGED:
1455 schedule_delayed_work(&smu->wbrf_delayed_work,
1456 msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1457 break;
1458 default:
1459 return NOTIFY_DONE;
1460 }
1461
1462 return NOTIFY_OK;
1463 }
1464
1465 /**
1466 * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1467 *
1468 * @work: struct work_struct pointer
1469 *
1470 * Flood is over and driver will consume the latest exclusion ranges.
1471 */
smu_wbrf_delayed_work_handler(struct work_struct * work)1472 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1473 {
1474 struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1475
1476 smu_wbrf_handle_exclusion_ranges(smu);
1477 }
1478
1479 /**
1480 * smu_wbrf_support_check - check wbrf support
1481 *
1482 * @smu: smu_context pointer
1483 *
1484 * Verifies the ACPI interface whether wbrf is supported.
1485 */
smu_wbrf_support_check(struct smu_context * smu)1486 static void smu_wbrf_support_check(struct smu_context *smu)
1487 {
1488 struct amdgpu_device *adev = smu->adev;
1489
1490 smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1491 acpi_amd_wbrf_supported_consumer(adev->dev);
1492
1493 if (smu->wbrf_supported)
1494 dev_info(adev->dev, "RF interference mitigation is supported\n");
1495 }
1496
1497 /**
1498 * smu_wbrf_init - init driver wbrf support
1499 *
1500 * @smu: smu_context pointer
1501 *
1502 * Verifies the AMD ACPI interfaces and registers with the wbrf
1503 * notifier chain if wbrf feature is supported.
1504 * Returns 0 on success, error on failure.
1505 */
smu_wbrf_init(struct smu_context * smu)1506 static int smu_wbrf_init(struct smu_context *smu)
1507 {
1508 int ret;
1509
1510 if (!smu->wbrf_supported)
1511 return 0;
1512
1513 INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1514
1515 smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1516 ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1517 if (ret)
1518 return ret;
1519
1520 /*
1521 * Some wifiband exclusion ranges may be already there
1522 * before our driver loaded. To make sure our driver
1523 * is awared of those exclusion ranges.
1524 */
1525 schedule_delayed_work(&smu->wbrf_delayed_work,
1526 msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1527
1528 return 0;
1529 }
1530
1531 /**
1532 * smu_wbrf_fini - tear down driver wbrf support
1533 *
1534 * @smu: smu_context pointer
1535 *
1536 * Unregisters with the wbrf notifier chain.
1537 */
smu_wbrf_fini(struct smu_context * smu)1538 static void smu_wbrf_fini(struct smu_context *smu)
1539 {
1540 if (!smu->wbrf_supported)
1541 return;
1542
1543 amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1544
1545 cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1546 }
1547
smu_smc_hw_setup(struct smu_context * smu)1548 static int smu_smc_hw_setup(struct smu_context *smu)
1549 {
1550 struct smu_feature *feature = &smu->smu_feature;
1551 struct amdgpu_device *adev = smu->adev;
1552 uint8_t pcie_gen = 0, pcie_width = 0;
1553 uint64_t features_supported;
1554 int ret = 0;
1555
1556 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1557 case IP_VERSION(11, 0, 7):
1558 case IP_VERSION(11, 0, 11):
1559 case IP_VERSION(11, 5, 0):
1560 case IP_VERSION(11, 0, 12):
1561 if (adev->in_suspend && smu_is_dpm_running(smu)) {
1562 dev_info(adev->dev, "dpm has been enabled\n");
1563 ret = smu_system_features_control(smu, true);
1564 if (ret)
1565 dev_err(adev->dev, "Failed system features control!\n");
1566 return ret;
1567 }
1568 break;
1569 default:
1570 break;
1571 }
1572
1573 ret = smu_init_display_count(smu, 0);
1574 if (ret) {
1575 dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1576 return ret;
1577 }
1578
1579 ret = smu_set_driver_table_location(smu);
1580 if (ret) {
1581 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1582 return ret;
1583 }
1584
1585 /*
1586 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1587 */
1588 ret = smu_set_tool_table_location(smu);
1589 if (ret) {
1590 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1591 return ret;
1592 }
1593
1594 /*
1595 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1596 * pool location.
1597 */
1598 ret = smu_notify_memory_pool_location(smu);
1599 if (ret) {
1600 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1601 return ret;
1602 }
1603
1604 /*
1605 * It is assumed the pptable used before runpm is same as
1606 * the one used afterwards. Thus, we can reuse the stored
1607 * copy and do not need to resetup the pptable again.
1608 */
1609 if (!adev->in_runpm) {
1610 ret = smu_setup_pptable(smu);
1611 if (ret) {
1612 dev_err(adev->dev, "Failed to setup pptable!\n");
1613 return ret;
1614 }
1615 }
1616
1617 /* smu_dump_pptable(smu); */
1618
1619 /*
1620 * With SCPM enabled, PSP is responsible for the PPTable transferring
1621 * (to SMU). Driver involvement is not needed and permitted.
1622 */
1623 if (!adev->scpm_enabled) {
1624 /*
1625 * Copy pptable bo in the vram to smc with SMU MSGs such as
1626 * SetDriverDramAddr and TransferTableDram2Smu.
1627 */
1628 ret = smu_write_pptable(smu);
1629 if (ret) {
1630 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1631 return ret;
1632 }
1633 }
1634
1635 /* issue Run*Btc msg */
1636 ret = smu_run_btc(smu);
1637 if (ret)
1638 return ret;
1639
1640 /* Enable UclkShadow on wbrf supported */
1641 if (smu->wbrf_supported) {
1642 ret = smu_enable_uclk_shadow(smu, true);
1643 if (ret) {
1644 dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1645 return ret;
1646 }
1647 }
1648
1649 /*
1650 * With SCPM enabled, these actions(and relevant messages) are
1651 * not needed and permitted.
1652 */
1653 if (!adev->scpm_enabled) {
1654 ret = smu_feature_set_allowed_mask(smu);
1655 if (ret) {
1656 dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1657 return ret;
1658 }
1659 }
1660
1661 ret = smu_system_features_control(smu, true);
1662 if (ret) {
1663 dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1664 return ret;
1665 }
1666
1667 smu_init_xgmi_plpd_mode(smu);
1668
1669 ret = smu_feature_get_enabled_mask(smu, &features_supported);
1670 if (ret) {
1671 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1672 return ret;
1673 }
1674 bitmap_copy(feature->supported,
1675 (unsigned long *)&features_supported,
1676 feature->feature_num);
1677
1678 if (!smu_is_dpm_running(smu))
1679 dev_info(adev->dev, "dpm has been disabled\n");
1680
1681 /*
1682 * Set initialized values (get from vbios) to dpm tables context such as
1683 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1684 * type of clks.
1685 */
1686 ret = smu_set_default_dpm_table(smu);
1687 if (ret) {
1688 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1689 return ret;
1690 }
1691
1692 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5)
1693 pcie_gen = 4;
1694 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1695 pcie_gen = 3;
1696 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1697 pcie_gen = 2;
1698 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1699 pcie_gen = 1;
1700 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1701 pcie_gen = 0;
1702
1703 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1704 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1705 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32
1706 */
1707 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32)
1708 pcie_width = 7;
1709 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1710 pcie_width = 6;
1711 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1712 pcie_width = 5;
1713 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1714 pcie_width = 4;
1715 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1716 pcie_width = 3;
1717 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1718 pcie_width = 2;
1719 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1720 pcie_width = 1;
1721 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1722 if (ret) {
1723 dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1724 return ret;
1725 }
1726
1727 ret = smu_get_thermal_temperature_range(smu);
1728 if (ret) {
1729 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1730 return ret;
1731 }
1732
1733 ret = smu_enable_thermal_alert(smu);
1734 if (ret) {
1735 dev_err(adev->dev, "Failed to enable thermal alert!\n");
1736 return ret;
1737 }
1738
1739 ret = smu_notify_display_change(smu);
1740 if (ret) {
1741 dev_err(adev->dev, "Failed to notify display change!\n");
1742 return ret;
1743 }
1744
1745 /*
1746 * Set min deep sleep dce fclk with bootup value from vbios via
1747 * SetMinDeepSleepDcefclk MSG.
1748 */
1749 ret = smu_set_min_dcef_deep_sleep(smu,
1750 smu->smu_table.boot_values.dcefclk / 100);
1751 if (ret) {
1752 dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1753 return ret;
1754 }
1755
1756 /* Init wbrf support. Properly setup the notifier */
1757 ret = smu_wbrf_init(smu);
1758 if (ret)
1759 dev_err(adev->dev, "Error during wbrf init call\n");
1760
1761 return ret;
1762 }
1763
smu_start_smc_engine(struct smu_context * smu)1764 static int smu_start_smc_engine(struct smu_context *smu)
1765 {
1766 struct amdgpu_device *adev = smu->adev;
1767 int ret = 0;
1768
1769 smu->smc_fw_state = SMU_FW_INIT;
1770
1771 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1772 if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1773 if (smu->ppt_funcs->load_microcode) {
1774 ret = smu->ppt_funcs->load_microcode(smu);
1775 if (ret)
1776 return ret;
1777 }
1778 }
1779 }
1780
1781 if (smu->ppt_funcs->check_fw_status) {
1782 ret = smu->ppt_funcs->check_fw_status(smu);
1783 if (ret) {
1784 dev_err(adev->dev, "SMC is not ready\n");
1785 return ret;
1786 }
1787 }
1788
1789 /*
1790 * Send msg GetDriverIfVersion to check if the return value is equal
1791 * with DRIVER_IF_VERSION of smc header.
1792 */
1793 ret = smu_check_fw_version(smu);
1794 if (ret)
1795 return ret;
1796
1797 return ret;
1798 }
1799
smu_hw_init(void * handle)1800 static int smu_hw_init(void *handle)
1801 {
1802 int ret;
1803 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1804 struct smu_context *smu = adev->powerplay.pp_handle;
1805
1806 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1807 smu->pm_enabled = false;
1808 return 0;
1809 }
1810
1811 ret = smu_start_smc_engine(smu);
1812 if (ret) {
1813 dev_err(adev->dev, "SMC engine is not correctly up!\n");
1814 return ret;
1815 }
1816
1817 /*
1818 * Check whether wbrf is supported. This needs to be done
1819 * before SMU setup starts since part of SMU configuration
1820 * relies on this.
1821 */
1822 smu_wbrf_support_check(smu);
1823
1824 if (smu->is_apu) {
1825 ret = smu_set_gfx_imu_enable(smu);
1826 if (ret)
1827 return ret;
1828 smu_dpm_set_vcn_enable(smu, true);
1829 smu_dpm_set_jpeg_enable(smu, true);
1830 smu_dpm_set_vpe_enable(smu, true);
1831 smu_dpm_set_umsch_mm_enable(smu, true);
1832 smu_set_mall_enable(smu);
1833 smu_set_gfx_cgpg(smu, true);
1834 }
1835
1836 if (!smu->pm_enabled)
1837 return 0;
1838
1839 ret = smu_get_driver_allowed_feature_mask(smu);
1840 if (ret)
1841 return ret;
1842
1843 ret = smu_smc_hw_setup(smu);
1844 if (ret) {
1845 dev_err(adev->dev, "Failed to setup smc hw!\n");
1846 return ret;
1847 }
1848
1849 /*
1850 * Move maximum sustainable clock retrieving here considering
1851 * 1. It is not needed on resume(from S3).
1852 * 2. DAL settings come between .hw_init and .late_init of SMU.
1853 * And DAL needs to know the maximum sustainable clocks. Thus
1854 * it cannot be put in .late_init().
1855 */
1856 ret = smu_init_max_sustainable_clocks(smu);
1857 if (ret) {
1858 dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1859 return ret;
1860 }
1861
1862 adev->pm.dpm_enabled = true;
1863
1864 dev_info(adev->dev, "SMU is initialized successfully!\n");
1865
1866 return 0;
1867 }
1868
smu_disable_dpms(struct smu_context * smu)1869 static int smu_disable_dpms(struct smu_context *smu)
1870 {
1871 struct amdgpu_device *adev = smu->adev;
1872 int ret = 0;
1873 bool use_baco = !smu->is_apu &&
1874 ((amdgpu_in_reset(adev) &&
1875 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1876 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1877
1878 /*
1879 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1880 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1881 */
1882 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1883 case IP_VERSION(13, 0, 0):
1884 case IP_VERSION(13, 0, 7):
1885 case IP_VERSION(13, 0, 10):
1886 case IP_VERSION(14, 0, 2):
1887 case IP_VERSION(14, 0, 3):
1888 return 0;
1889 default:
1890 break;
1891 }
1892
1893 /*
1894 * For custom pptable uploading, skip the DPM features
1895 * disable process on Navi1x ASICs.
1896 * - As the gfx related features are under control of
1897 * RLC on those ASICs. RLC reinitialization will be
1898 * needed to reenable them. That will cost much more
1899 * efforts.
1900 *
1901 * - SMU firmware can handle the DPM reenablement
1902 * properly.
1903 */
1904 if (smu->uploading_custom_pp_table) {
1905 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1906 case IP_VERSION(11, 0, 0):
1907 case IP_VERSION(11, 0, 5):
1908 case IP_VERSION(11, 0, 9):
1909 case IP_VERSION(11, 0, 7):
1910 case IP_VERSION(11, 0, 11):
1911 case IP_VERSION(11, 5, 0):
1912 case IP_VERSION(11, 0, 12):
1913 case IP_VERSION(11, 0, 13):
1914 return 0;
1915 default:
1916 break;
1917 }
1918 }
1919
1920 /*
1921 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1922 * on BACO in. Driver involvement is unnecessary.
1923 */
1924 if (use_baco) {
1925 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1926 case IP_VERSION(11, 0, 7):
1927 case IP_VERSION(11, 0, 0):
1928 case IP_VERSION(11, 0, 5):
1929 case IP_VERSION(11, 0, 9):
1930 case IP_VERSION(13, 0, 7):
1931 return 0;
1932 default:
1933 break;
1934 }
1935 }
1936
1937 /*
1938 * For GFX11 and subsequent APUs, PMFW will handle the features disablement properly
1939 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1940 */
1941 if (IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) >= 11 &&
1942 smu->is_apu && (amdgpu_in_reset(adev) || adev->in_s0ix))
1943 return 0;
1944
1945 /*
1946 * For gpu reset, runpm and hibernation through BACO,
1947 * BACO feature has to be kept enabled.
1948 */
1949 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1950 ret = smu_disable_all_features_with_exception(smu,
1951 SMU_FEATURE_BACO_BIT);
1952 if (ret)
1953 dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1954 } else {
1955 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1956 if (!adev->scpm_enabled) {
1957 ret = smu_system_features_control(smu, false);
1958 if (ret)
1959 dev_err(adev->dev, "Failed to disable smu features.\n");
1960 }
1961 }
1962
1963 /* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
1964 * otherwise SMU will hang while interacting with RLC if RLC is halted
1965 * this is a WA for Vangogh asic which fix the SMU hang issue.
1966 */
1967 ret = smu_notify_rlc_state(smu, false);
1968 if (ret) {
1969 dev_err(adev->dev, "Fail to notify rlc status!\n");
1970 return ret;
1971 }
1972
1973 if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
1974 !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
1975 !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1976 adev->gfx.rlc.funcs->stop(adev);
1977
1978 return ret;
1979 }
1980
smu_smc_hw_cleanup(struct smu_context * smu)1981 static int smu_smc_hw_cleanup(struct smu_context *smu)
1982 {
1983 struct amdgpu_device *adev = smu->adev;
1984 int ret = 0;
1985
1986 smu_wbrf_fini(smu);
1987
1988 cancel_work_sync(&smu->throttling_logging_work);
1989 cancel_work_sync(&smu->interrupt_work);
1990
1991 ret = smu_disable_thermal_alert(smu);
1992 if (ret) {
1993 dev_err(adev->dev, "Fail to disable thermal alert!\n");
1994 return ret;
1995 }
1996
1997 cancel_delayed_work_sync(&smu->swctf_delayed_work);
1998
1999 ret = smu_disable_dpms(smu);
2000 if (ret) {
2001 dev_err(adev->dev, "Fail to disable dpm features!\n");
2002 return ret;
2003 }
2004
2005 return 0;
2006 }
2007
smu_reset_mp1_state(struct smu_context * smu)2008 static int smu_reset_mp1_state(struct smu_context *smu)
2009 {
2010 struct amdgpu_device *adev = smu->adev;
2011 int ret = 0;
2012
2013 if ((!adev->in_runpm) && (!adev->in_suspend) &&
2014 (!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
2015 IP_VERSION(13, 0, 10) &&
2016 !amdgpu_device_has_display_hardware(adev))
2017 ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
2018
2019 return ret;
2020 }
2021
smu_hw_fini(void * handle)2022 static int smu_hw_fini(void *handle)
2023 {
2024 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2025 struct smu_context *smu = adev->powerplay.pp_handle;
2026 int ret;
2027
2028 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2029 return 0;
2030
2031 smu_dpm_set_vcn_enable(smu, false);
2032 smu_dpm_set_jpeg_enable(smu, false);
2033 smu_dpm_set_vpe_enable(smu, false);
2034 smu_dpm_set_umsch_mm_enable(smu, false);
2035
2036 adev->vcn.cur_state = AMD_PG_STATE_GATE;
2037 adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2038
2039 if (!smu->pm_enabled)
2040 return 0;
2041
2042 adev->pm.dpm_enabled = false;
2043
2044 ret = smu_smc_hw_cleanup(smu);
2045 if (ret)
2046 return ret;
2047
2048 ret = smu_reset_mp1_state(smu);
2049 if (ret)
2050 return ret;
2051
2052 return 0;
2053 }
2054
smu_late_fini(void * handle)2055 static void smu_late_fini(void *handle)
2056 {
2057 struct amdgpu_device *adev = handle;
2058 struct smu_context *smu = adev->powerplay.pp_handle;
2059
2060 kfree(smu);
2061 }
2062
smu_reset(struct smu_context * smu)2063 static int smu_reset(struct smu_context *smu)
2064 {
2065 struct amdgpu_device *adev = smu->adev;
2066 int ret;
2067
2068 ret = smu_hw_fini(adev);
2069 if (ret)
2070 return ret;
2071
2072 ret = smu_hw_init(adev);
2073 if (ret)
2074 return ret;
2075
2076 ret = smu_late_init(adev);
2077 if (ret)
2078 return ret;
2079
2080 return 0;
2081 }
2082
smu_suspend(void * handle)2083 static int smu_suspend(void *handle)
2084 {
2085 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2086 struct smu_context *smu = adev->powerplay.pp_handle;
2087 int ret;
2088 uint64_t count;
2089
2090 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2091 return 0;
2092
2093 if (!smu->pm_enabled)
2094 return 0;
2095
2096 adev->pm.dpm_enabled = false;
2097
2098 ret = smu_smc_hw_cleanup(smu);
2099 if (ret)
2100 return ret;
2101
2102 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2103
2104 smu_set_gfx_cgpg(smu, false);
2105
2106 /*
2107 * pwfw resets entrycount when device is suspended, so we save the
2108 * last value to be used when we resume to keep it consistent
2109 */
2110 ret = smu_get_entrycount_gfxoff(smu, &count);
2111 if (!ret)
2112 adev->gfx.gfx_off_entrycount = count;
2113
2114 /* clear this on suspend so it will get reprogrammed on resume */
2115 smu->workload_mask = 0;
2116
2117 return 0;
2118 }
2119
smu_resume(void * handle)2120 static int smu_resume(void *handle)
2121 {
2122 int ret;
2123 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2124 struct smu_context *smu = adev->powerplay.pp_handle;
2125
2126 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
2127 return 0;
2128
2129 if (!smu->pm_enabled)
2130 return 0;
2131
2132 dev_info(adev->dev, "SMU is resuming...\n");
2133
2134 ret = smu_start_smc_engine(smu);
2135 if (ret) {
2136 dev_err(adev->dev, "SMC engine is not correctly up!\n");
2137 return ret;
2138 }
2139
2140 ret = smu_smc_hw_setup(smu);
2141 if (ret) {
2142 dev_err(adev->dev, "Failed to setup smc hw!\n");
2143 return ret;
2144 }
2145
2146 ret = smu_set_gfx_imu_enable(smu);
2147 if (ret)
2148 return ret;
2149
2150 smu_set_gfx_cgpg(smu, true);
2151
2152 smu->disable_uclk_switch = 0;
2153
2154 adev->pm.dpm_enabled = true;
2155
2156 if (smu->current_power_limit) {
2157 ret = smu_set_power_limit(smu, smu->current_power_limit);
2158 if (ret && ret != -EOPNOTSUPP)
2159 return ret;
2160 }
2161
2162 dev_info(adev->dev, "SMU is resumed successfully!\n");
2163
2164 return 0;
2165 }
2166
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)2167 static int smu_display_configuration_change(void *handle,
2168 const struct amd_pp_display_configuration *display_config)
2169 {
2170 struct smu_context *smu = handle;
2171
2172 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2173 return -EOPNOTSUPP;
2174
2175 if (!display_config)
2176 return -EINVAL;
2177
2178 smu_set_min_dcef_deep_sleep(smu,
2179 display_config->min_dcef_deep_sleep_set_clk / 100);
2180
2181 return 0;
2182 }
2183
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)2184 static int smu_set_clockgating_state(void *handle,
2185 enum amd_clockgating_state state)
2186 {
2187 return 0;
2188 }
2189
smu_set_powergating_state(void * handle,enum amd_powergating_state state)2190 static int smu_set_powergating_state(void *handle,
2191 enum amd_powergating_state state)
2192 {
2193 return 0;
2194 }
2195
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)2196 static int smu_enable_umd_pstate(void *handle,
2197 enum amd_dpm_forced_level *level)
2198 {
2199 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2200 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2201 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2202 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2203
2204 struct smu_context *smu = (struct smu_context*)(handle);
2205 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2206
2207 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2208 return -EINVAL;
2209
2210 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2211 /* enter umd pstate, save current level, disable gfx cg*/
2212 if (*level & profile_mode_mask) {
2213 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2214 smu_gpo_control(smu, false);
2215 smu_gfx_ulv_control(smu, false);
2216 smu_deep_sleep_control(smu, false);
2217 amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2218 }
2219 } else {
2220 /* exit umd pstate, restore level, enable gfx cg*/
2221 if (!(*level & profile_mode_mask)) {
2222 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2223 *level = smu_dpm_ctx->saved_dpm_level;
2224 amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2225 smu_deep_sleep_control(smu, true);
2226 smu_gfx_ulv_control(smu, true);
2227 smu_gpo_control(smu, true);
2228 }
2229 }
2230
2231 return 0;
2232 }
2233
smu_bump_power_profile_mode(struct smu_context * smu,long * custom_params,u32 custom_params_max_idx)2234 static int smu_bump_power_profile_mode(struct smu_context *smu,
2235 long *custom_params,
2236 u32 custom_params_max_idx)
2237 {
2238 u32 workload_mask = 0;
2239 int i, ret = 0;
2240
2241 for (i = 0; i < PP_SMC_POWER_PROFILE_COUNT; i++) {
2242 if (smu->workload_refcount[i])
2243 workload_mask |= 1 << i;
2244 }
2245
2246 if (smu->workload_mask == workload_mask)
2247 return 0;
2248
2249 if (smu->ppt_funcs->set_power_profile_mode)
2250 ret = smu->ppt_funcs->set_power_profile_mode(smu, workload_mask,
2251 custom_params,
2252 custom_params_max_idx);
2253
2254 if (!ret)
2255 smu->workload_mask = workload_mask;
2256
2257 return ret;
2258 }
2259
smu_power_profile_mode_get(struct smu_context * smu,enum PP_SMC_POWER_PROFILE profile_mode)2260 static void smu_power_profile_mode_get(struct smu_context *smu,
2261 enum PP_SMC_POWER_PROFILE profile_mode)
2262 {
2263 smu->workload_refcount[profile_mode]++;
2264 }
2265
smu_power_profile_mode_put(struct smu_context * smu,enum PP_SMC_POWER_PROFILE profile_mode)2266 static void smu_power_profile_mode_put(struct smu_context *smu,
2267 enum PP_SMC_POWER_PROFILE profile_mode)
2268 {
2269 if (smu->workload_refcount[profile_mode])
2270 smu->workload_refcount[profile_mode]--;
2271 }
2272
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings)2273 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2274 enum amd_dpm_forced_level level,
2275 bool skip_display_settings)
2276 {
2277 int ret = 0;
2278 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2279
2280 if (!skip_display_settings) {
2281 ret = smu_display_config_changed(smu);
2282 if (ret) {
2283 dev_err(smu->adev->dev, "Failed to change display config!");
2284 return ret;
2285 }
2286 }
2287
2288 ret = smu_apply_clocks_adjust_rules(smu);
2289 if (ret) {
2290 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2291 return ret;
2292 }
2293
2294 if (!skip_display_settings) {
2295 ret = smu_notify_smc_display_config(smu);
2296 if (ret) {
2297 dev_err(smu->adev->dev, "Failed to notify smc display config!");
2298 return ret;
2299 }
2300 }
2301
2302 if (smu_dpm_ctx->dpm_level != level) {
2303 ret = smu_asic_set_performance_level(smu, level);
2304 if (ret) {
2305 dev_err(smu->adev->dev, "Failed to set performance level!");
2306 return ret;
2307 }
2308
2309 /* update the saved copy */
2310 smu_dpm_ctx->dpm_level = level;
2311 }
2312
2313 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2314 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2315 smu_bump_power_profile_mode(smu, NULL, 0);
2316
2317 return ret;
2318 }
2319
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)2320 static int smu_handle_task(struct smu_context *smu,
2321 enum amd_dpm_forced_level level,
2322 enum amd_pp_task task_id)
2323 {
2324 int ret = 0;
2325
2326 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2327 return -EOPNOTSUPP;
2328
2329 switch (task_id) {
2330 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2331 ret = smu_pre_display_config_changed(smu);
2332 if (ret)
2333 return ret;
2334 ret = smu_adjust_power_state_dynamic(smu, level, false);
2335 break;
2336 case AMD_PP_TASK_COMPLETE_INIT:
2337 ret = smu_adjust_power_state_dynamic(smu, level, true);
2338 break;
2339 case AMD_PP_TASK_READJUST_POWER_STATE:
2340 ret = smu_adjust_power_state_dynamic(smu, level, true);
2341 break;
2342 default:
2343 break;
2344 }
2345
2346 return ret;
2347 }
2348
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)2349 static int smu_handle_dpm_task(void *handle,
2350 enum amd_pp_task task_id,
2351 enum amd_pm_state_type *user_state)
2352 {
2353 struct smu_context *smu = handle;
2354 struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2355
2356 return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2357
2358 }
2359
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool enable)2360 static int smu_switch_power_profile(void *handle,
2361 enum PP_SMC_POWER_PROFILE type,
2362 bool enable)
2363 {
2364 struct smu_context *smu = handle;
2365 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2366 int ret;
2367
2368 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2369 return -EOPNOTSUPP;
2370
2371 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2372 return -EINVAL;
2373
2374 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2375 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2376 if (enable)
2377 smu_power_profile_mode_get(smu, type);
2378 else
2379 smu_power_profile_mode_put(smu, type);
2380 ret = smu_bump_power_profile_mode(smu, NULL, 0);
2381 if (ret) {
2382 if (enable)
2383 smu_power_profile_mode_put(smu, type);
2384 else
2385 smu_power_profile_mode_get(smu, type);
2386 return ret;
2387 }
2388 }
2389
2390 return 0;
2391 }
2392
smu_get_performance_level(void * handle)2393 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2394 {
2395 struct smu_context *smu = handle;
2396 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2397
2398 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2399 return -EOPNOTSUPP;
2400
2401 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2402 return -EINVAL;
2403
2404 return smu_dpm_ctx->dpm_level;
2405 }
2406
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)2407 static int smu_force_performance_level(void *handle,
2408 enum amd_dpm_forced_level level)
2409 {
2410 struct smu_context *smu = handle;
2411 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2412 int ret = 0;
2413
2414 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2415 return -EOPNOTSUPP;
2416
2417 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2418 return -EINVAL;
2419
2420 ret = smu_enable_umd_pstate(smu, &level);
2421 if (ret)
2422 return ret;
2423
2424 ret = smu_handle_task(smu, level,
2425 AMD_PP_TASK_READJUST_POWER_STATE);
2426
2427 /* reset user dpm clock state */
2428 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2429 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2430 smu->user_dpm_profile.clk_dependency = 0;
2431 }
2432
2433 return ret;
2434 }
2435
smu_set_display_count(void * handle,uint32_t count)2436 static int smu_set_display_count(void *handle, uint32_t count)
2437 {
2438 struct smu_context *smu = handle;
2439
2440 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2441 return -EOPNOTSUPP;
2442
2443 return smu_init_display_count(smu, count);
2444 }
2445
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2446 static int smu_force_smuclk_levels(struct smu_context *smu,
2447 enum smu_clk_type clk_type,
2448 uint32_t mask)
2449 {
2450 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2451 int ret = 0;
2452
2453 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2454 return -EOPNOTSUPP;
2455
2456 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2457 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2458 return -EINVAL;
2459 }
2460
2461 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2462 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2463 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2464 smu->user_dpm_profile.clk_mask[clk_type] = mask;
2465 smu_set_user_clk_dependencies(smu, clk_type);
2466 }
2467 }
2468
2469 return ret;
2470 }
2471
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2472 static int smu_force_ppclk_levels(void *handle,
2473 enum pp_clock_type type,
2474 uint32_t mask)
2475 {
2476 struct smu_context *smu = handle;
2477 enum smu_clk_type clk_type;
2478
2479 switch (type) {
2480 case PP_SCLK:
2481 clk_type = SMU_SCLK; break;
2482 case PP_MCLK:
2483 clk_type = SMU_MCLK; break;
2484 case PP_PCIE:
2485 clk_type = SMU_PCIE; break;
2486 case PP_SOCCLK:
2487 clk_type = SMU_SOCCLK; break;
2488 case PP_FCLK:
2489 clk_type = SMU_FCLK; break;
2490 case PP_DCEFCLK:
2491 clk_type = SMU_DCEFCLK; break;
2492 case PP_VCLK:
2493 clk_type = SMU_VCLK; break;
2494 case PP_VCLK1:
2495 clk_type = SMU_VCLK1; break;
2496 case PP_DCLK:
2497 clk_type = SMU_DCLK; break;
2498 case PP_DCLK1:
2499 clk_type = SMU_DCLK1; break;
2500 case OD_SCLK:
2501 clk_type = SMU_OD_SCLK; break;
2502 case OD_MCLK:
2503 clk_type = SMU_OD_MCLK; break;
2504 case OD_VDDC_CURVE:
2505 clk_type = SMU_OD_VDDC_CURVE; break;
2506 case OD_RANGE:
2507 clk_type = SMU_OD_RANGE; break;
2508 default:
2509 return -EINVAL;
2510 }
2511
2512 return smu_force_smuclk_levels(smu, clk_type, mask);
2513 }
2514
2515 /*
2516 * On system suspending or resetting, the dpm_enabled
2517 * flag will be cleared. So that those SMU services which
2518 * are not supported will be gated.
2519 * However, the mp1 state setting should still be granted
2520 * even if the dpm_enabled cleared.
2521 */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2522 static int smu_set_mp1_state(void *handle,
2523 enum pp_mp1_state mp1_state)
2524 {
2525 struct smu_context *smu = handle;
2526 int ret = 0;
2527
2528 if (!smu->pm_enabled)
2529 return -EOPNOTSUPP;
2530
2531 if (smu->ppt_funcs &&
2532 smu->ppt_funcs->set_mp1_state)
2533 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2534
2535 return ret;
2536 }
2537
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2538 static int smu_set_df_cstate(void *handle,
2539 enum pp_df_cstate state)
2540 {
2541 struct smu_context *smu = handle;
2542 int ret = 0;
2543
2544 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2545 return -EOPNOTSUPP;
2546
2547 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2548 return 0;
2549
2550 ret = smu->ppt_funcs->set_df_cstate(smu, state);
2551 if (ret)
2552 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2553
2554 return ret;
2555 }
2556
smu_write_watermarks_table(struct smu_context * smu)2557 int smu_write_watermarks_table(struct smu_context *smu)
2558 {
2559 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2560 return -EOPNOTSUPP;
2561
2562 return smu_set_watermarks_table(smu, NULL);
2563 }
2564
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2565 static int smu_set_watermarks_for_clock_ranges(void *handle,
2566 struct pp_smu_wm_range_sets *clock_ranges)
2567 {
2568 struct smu_context *smu = handle;
2569
2570 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2571 return -EOPNOTSUPP;
2572
2573 if (smu->disable_watermark)
2574 return 0;
2575
2576 return smu_set_watermarks_table(smu, clock_ranges);
2577 }
2578
smu_set_ac_dc(struct smu_context * smu)2579 int smu_set_ac_dc(struct smu_context *smu)
2580 {
2581 int ret = 0;
2582
2583 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2584 return -EOPNOTSUPP;
2585
2586 /* controlled by firmware */
2587 if (smu->dc_controlled_by_gpio)
2588 return 0;
2589
2590 ret = smu_set_power_source(smu,
2591 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2592 SMU_POWER_SOURCE_DC);
2593 if (ret)
2594 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2595 smu->adev->pm.ac_power ? "AC" : "DC");
2596
2597 return ret;
2598 }
2599
2600 const struct amd_ip_funcs smu_ip_funcs = {
2601 .name = "smu",
2602 .early_init = smu_early_init,
2603 .late_init = smu_late_init,
2604 .sw_init = smu_sw_init,
2605 .sw_fini = smu_sw_fini,
2606 .hw_init = smu_hw_init,
2607 .hw_fini = smu_hw_fini,
2608 .late_fini = smu_late_fini,
2609 .suspend = smu_suspend,
2610 .resume = smu_resume,
2611 .is_idle = NULL,
2612 .check_soft_reset = NULL,
2613 .wait_for_idle = NULL,
2614 .soft_reset = NULL,
2615 .set_clockgating_state = smu_set_clockgating_state,
2616 .set_powergating_state = smu_set_powergating_state,
2617 };
2618
2619 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2620 .type = AMD_IP_BLOCK_TYPE_SMC,
2621 .major = 11,
2622 .minor = 0,
2623 .rev = 0,
2624 .funcs = &smu_ip_funcs,
2625 };
2626
2627 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2628 .type = AMD_IP_BLOCK_TYPE_SMC,
2629 .major = 12,
2630 .minor = 0,
2631 .rev = 0,
2632 .funcs = &smu_ip_funcs,
2633 };
2634
2635 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2636 .type = AMD_IP_BLOCK_TYPE_SMC,
2637 .major = 13,
2638 .minor = 0,
2639 .rev = 0,
2640 .funcs = &smu_ip_funcs,
2641 };
2642
2643 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2644 .type = AMD_IP_BLOCK_TYPE_SMC,
2645 .major = 14,
2646 .minor = 0,
2647 .rev = 0,
2648 .funcs = &smu_ip_funcs,
2649 };
2650
smu_load_microcode(void * handle)2651 static int smu_load_microcode(void *handle)
2652 {
2653 struct smu_context *smu = handle;
2654 struct amdgpu_device *adev = smu->adev;
2655 int ret = 0;
2656
2657 if (!smu->pm_enabled)
2658 return -EOPNOTSUPP;
2659
2660 /* This should be used for non PSP loading */
2661 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2662 return 0;
2663
2664 if (smu->ppt_funcs->load_microcode) {
2665 ret = smu->ppt_funcs->load_microcode(smu);
2666 if (ret) {
2667 dev_err(adev->dev, "Load microcode failed\n");
2668 return ret;
2669 }
2670 }
2671
2672 if (smu->ppt_funcs->check_fw_status) {
2673 ret = smu->ppt_funcs->check_fw_status(smu);
2674 if (ret) {
2675 dev_err(adev->dev, "SMC is not ready\n");
2676 return ret;
2677 }
2678 }
2679
2680 return ret;
2681 }
2682
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2683 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2684 {
2685 int ret = 0;
2686
2687 if (smu->ppt_funcs->set_gfx_cgpg)
2688 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2689
2690 return ret;
2691 }
2692
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2693 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
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->set_fan_speed_rpm)
2702 return -EOPNOTSUPP;
2703
2704 if (speed == U32_MAX)
2705 return -EINVAL;
2706
2707 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2708 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2709 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2710 smu->user_dpm_profile.fan_speed_rpm = speed;
2711
2712 /* Override custom PWM setting as they cannot co-exist */
2713 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2714 smu->user_dpm_profile.fan_speed_pwm = 0;
2715 }
2716
2717 return ret;
2718 }
2719
2720 /**
2721 * smu_get_power_limit - Request one of the SMU Power Limits
2722 *
2723 * @handle: pointer to smu context
2724 * @limit: requested limit is written back to this variable
2725 * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2726 * @pp_power_type: &pp_power_type type of power
2727 * Return: 0 on success, <0 on error
2728 *
2729 */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2730 int smu_get_power_limit(void *handle,
2731 uint32_t *limit,
2732 enum pp_power_limit_level pp_limit_level,
2733 enum pp_power_type pp_power_type)
2734 {
2735 struct smu_context *smu = handle;
2736 struct amdgpu_device *adev = smu->adev;
2737 enum smu_ppt_limit_level limit_level;
2738 uint32_t limit_type;
2739 int ret = 0;
2740
2741 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2742 return -EOPNOTSUPP;
2743
2744 switch (pp_power_type) {
2745 case PP_PWR_TYPE_SUSTAINED:
2746 limit_type = SMU_DEFAULT_PPT_LIMIT;
2747 break;
2748 case PP_PWR_TYPE_FAST:
2749 limit_type = SMU_FAST_PPT_LIMIT;
2750 break;
2751 default:
2752 return -EOPNOTSUPP;
2753 }
2754
2755 switch (pp_limit_level) {
2756 case PP_PWR_LIMIT_CURRENT:
2757 limit_level = SMU_PPT_LIMIT_CURRENT;
2758 break;
2759 case PP_PWR_LIMIT_DEFAULT:
2760 limit_level = SMU_PPT_LIMIT_DEFAULT;
2761 break;
2762 case PP_PWR_LIMIT_MAX:
2763 limit_level = SMU_PPT_LIMIT_MAX;
2764 break;
2765 case PP_PWR_LIMIT_MIN:
2766 limit_level = SMU_PPT_LIMIT_MIN;
2767 break;
2768 default:
2769 return -EOPNOTSUPP;
2770 }
2771
2772 if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2773 if (smu->ppt_funcs->get_ppt_limit)
2774 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2775 } else {
2776 switch (limit_level) {
2777 case SMU_PPT_LIMIT_CURRENT:
2778 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2779 case IP_VERSION(13, 0, 2):
2780 case IP_VERSION(13, 0, 6):
2781 case IP_VERSION(13, 0, 12):
2782 case IP_VERSION(13, 0, 14):
2783 case IP_VERSION(11, 0, 7):
2784 case IP_VERSION(11, 0, 11):
2785 case IP_VERSION(11, 0, 12):
2786 case IP_VERSION(11, 0, 13):
2787 ret = smu_get_asic_power_limits(smu,
2788 &smu->current_power_limit,
2789 NULL, NULL, NULL);
2790 break;
2791 default:
2792 break;
2793 }
2794 *limit = smu->current_power_limit;
2795 break;
2796 case SMU_PPT_LIMIT_DEFAULT:
2797 *limit = smu->default_power_limit;
2798 break;
2799 case SMU_PPT_LIMIT_MAX:
2800 *limit = smu->max_power_limit;
2801 break;
2802 case SMU_PPT_LIMIT_MIN:
2803 *limit = smu->min_power_limit;
2804 break;
2805 default:
2806 return -EINVAL;
2807 }
2808 }
2809
2810 return ret;
2811 }
2812
smu_set_power_limit(void * handle,uint32_t limit)2813 static int smu_set_power_limit(void *handle, uint32_t limit)
2814 {
2815 struct smu_context *smu = handle;
2816 uint32_t limit_type = limit >> 24;
2817 int ret = 0;
2818
2819 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2820 return -EOPNOTSUPP;
2821
2822 limit &= (1<<24)-1;
2823 if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2824 if (smu->ppt_funcs->set_power_limit)
2825 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2826
2827 if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2828 dev_err(smu->adev->dev,
2829 "New power limit (%d) is out of range [%d,%d]\n",
2830 limit, smu->min_power_limit, smu->max_power_limit);
2831 return -EINVAL;
2832 }
2833
2834 if (!limit)
2835 limit = smu->current_power_limit;
2836
2837 if (smu->ppt_funcs->set_power_limit) {
2838 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2839 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2840 smu->user_dpm_profile.power_limit = limit;
2841 }
2842
2843 return ret;
2844 }
2845
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2846 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2847 {
2848 int ret = 0;
2849
2850 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2851 return -EOPNOTSUPP;
2852
2853 if (smu->ppt_funcs->print_clk_levels)
2854 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2855
2856 return ret;
2857 }
2858
smu_convert_to_smuclk(enum pp_clock_type type)2859 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2860 {
2861 enum smu_clk_type clk_type;
2862
2863 switch (type) {
2864 case PP_SCLK:
2865 clk_type = SMU_SCLK; break;
2866 case PP_MCLK:
2867 clk_type = SMU_MCLK; break;
2868 case PP_PCIE:
2869 clk_type = SMU_PCIE; break;
2870 case PP_SOCCLK:
2871 clk_type = SMU_SOCCLK; break;
2872 case PP_FCLK:
2873 clk_type = SMU_FCLK; break;
2874 case PP_DCEFCLK:
2875 clk_type = SMU_DCEFCLK; break;
2876 case PP_VCLK:
2877 clk_type = SMU_VCLK; break;
2878 case PP_VCLK1:
2879 clk_type = SMU_VCLK1; break;
2880 case PP_DCLK:
2881 clk_type = SMU_DCLK; break;
2882 case PP_DCLK1:
2883 clk_type = SMU_DCLK1; break;
2884 case OD_SCLK:
2885 clk_type = SMU_OD_SCLK; break;
2886 case OD_MCLK:
2887 clk_type = SMU_OD_MCLK; break;
2888 case OD_VDDC_CURVE:
2889 clk_type = SMU_OD_VDDC_CURVE; break;
2890 case OD_RANGE:
2891 clk_type = SMU_OD_RANGE; break;
2892 case OD_VDDGFX_OFFSET:
2893 clk_type = SMU_OD_VDDGFX_OFFSET; break;
2894 case OD_CCLK:
2895 clk_type = SMU_OD_CCLK; break;
2896 case OD_FAN_CURVE:
2897 clk_type = SMU_OD_FAN_CURVE; break;
2898 case OD_ACOUSTIC_LIMIT:
2899 clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
2900 case OD_ACOUSTIC_TARGET:
2901 clk_type = SMU_OD_ACOUSTIC_TARGET; break;
2902 case OD_FAN_TARGET_TEMPERATURE:
2903 clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
2904 case OD_FAN_MINIMUM_PWM:
2905 clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
2906 default:
2907 clk_type = SMU_CLK_COUNT; break;
2908 }
2909
2910 return clk_type;
2911 }
2912
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2913 static int smu_print_ppclk_levels(void *handle,
2914 enum pp_clock_type type,
2915 char *buf)
2916 {
2917 struct smu_context *smu = handle;
2918 enum smu_clk_type clk_type;
2919
2920 clk_type = smu_convert_to_smuclk(type);
2921 if (clk_type == SMU_CLK_COUNT)
2922 return -EINVAL;
2923
2924 return smu_print_smuclk_levels(smu, clk_type, buf);
2925 }
2926
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2927 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2928 {
2929 struct smu_context *smu = handle;
2930 enum smu_clk_type clk_type;
2931
2932 clk_type = smu_convert_to_smuclk(type);
2933 if (clk_type == SMU_CLK_COUNT)
2934 return -EINVAL;
2935
2936 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2937 return -EOPNOTSUPP;
2938
2939 if (!smu->ppt_funcs->emit_clk_levels)
2940 return -ENOENT;
2941
2942 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2943
2944 }
2945
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2946 static int smu_od_edit_dpm_table(void *handle,
2947 enum PP_OD_DPM_TABLE_COMMAND type,
2948 long *input, uint32_t size)
2949 {
2950 struct smu_context *smu = handle;
2951 int ret = 0;
2952
2953 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2954 return -EOPNOTSUPP;
2955
2956 if (smu->ppt_funcs->od_edit_dpm_table) {
2957 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2958 }
2959
2960 return ret;
2961 }
2962
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2963 static int smu_read_sensor(void *handle,
2964 int sensor,
2965 void *data,
2966 int *size_arg)
2967 {
2968 struct smu_context *smu = handle;
2969 struct smu_umd_pstate_table *pstate_table =
2970 &smu->pstate_table;
2971 int ret = 0;
2972 uint32_t *size, size_val;
2973
2974 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2975 return -EOPNOTSUPP;
2976
2977 if (!data || !size_arg)
2978 return -EINVAL;
2979
2980 size_val = *size_arg;
2981 size = &size_val;
2982
2983 if (smu->ppt_funcs->read_sensor)
2984 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2985 goto unlock;
2986
2987 switch (sensor) {
2988 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2989 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2990 *size = 4;
2991 break;
2992 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2993 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2994 *size = 4;
2995 break;
2996 case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2997 *((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2998 *size = 4;
2999 break;
3000 case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
3001 *((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
3002 *size = 4;
3003 break;
3004 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
3005 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
3006 *size = 8;
3007 break;
3008 case AMDGPU_PP_SENSOR_UVD_POWER:
3009 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
3010 *size = 4;
3011 break;
3012 case AMDGPU_PP_SENSOR_VCE_POWER:
3013 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
3014 *size = 4;
3015 break;
3016 case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
3017 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
3018 *size = 4;
3019 break;
3020 case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
3021 *(uint32_t *)data = 0;
3022 *size = 4;
3023 break;
3024 default:
3025 *size = 0;
3026 ret = -EOPNOTSUPP;
3027 break;
3028 }
3029
3030 unlock:
3031 // assign uint32_t to int
3032 *size_arg = size_val;
3033
3034 return ret;
3035 }
3036
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)3037 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
3038 {
3039 int ret = -EOPNOTSUPP;
3040 struct smu_context *smu = handle;
3041
3042 if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
3043 ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
3044
3045 return ret;
3046 }
3047
smu_set_apu_thermal_limit(void * handle,uint32_t limit)3048 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
3049 {
3050 int ret = -EOPNOTSUPP;
3051 struct smu_context *smu = handle;
3052
3053 if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
3054 ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
3055
3056 return ret;
3057 }
3058
smu_get_power_profile_mode(void * handle,char * buf)3059 static int smu_get_power_profile_mode(void *handle, char *buf)
3060 {
3061 struct smu_context *smu = handle;
3062
3063 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3064 !smu->ppt_funcs->get_power_profile_mode)
3065 return -EOPNOTSUPP;
3066 if (!buf)
3067 return -EINVAL;
3068
3069 return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3070 }
3071
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)3072 static int smu_set_power_profile_mode(void *handle,
3073 long *param,
3074 uint32_t param_size)
3075 {
3076 struct smu_context *smu = handle;
3077 bool custom = false;
3078 int ret = 0;
3079
3080 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3081 !smu->ppt_funcs->set_power_profile_mode)
3082 return -EOPNOTSUPP;
3083
3084 if (param[param_size] == PP_SMC_POWER_PROFILE_CUSTOM) {
3085 custom = true;
3086 /* clear frontend mask so custom changes propogate */
3087 smu->workload_mask = 0;
3088 }
3089
3090 if ((param[param_size] != smu->power_profile_mode) || custom) {
3091 /* clear the old user preference */
3092 smu_power_profile_mode_put(smu, smu->power_profile_mode);
3093 /* set the new user preference */
3094 smu_power_profile_mode_get(smu, param[param_size]);
3095 ret = smu_bump_power_profile_mode(smu,
3096 custom ? param : NULL,
3097 custom ? param_size : 0);
3098 if (ret)
3099 smu_power_profile_mode_put(smu, param[param_size]);
3100 else
3101 /* store the user's preference */
3102 smu->power_profile_mode = param[param_size];
3103 }
3104
3105 return ret;
3106 }
3107
smu_get_fan_control_mode(void * handle,u32 * fan_mode)3108 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3109 {
3110 struct smu_context *smu = handle;
3111
3112 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3113 return -EOPNOTSUPP;
3114
3115 if (!smu->ppt_funcs->get_fan_control_mode)
3116 return -EOPNOTSUPP;
3117
3118 if (!fan_mode)
3119 return -EINVAL;
3120
3121 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3122
3123 return 0;
3124 }
3125
smu_set_fan_control_mode(void * handle,u32 value)3126 static int smu_set_fan_control_mode(void *handle, u32 value)
3127 {
3128 struct smu_context *smu = handle;
3129 int ret = 0;
3130
3131 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3132 return -EOPNOTSUPP;
3133
3134 if (!smu->ppt_funcs->set_fan_control_mode)
3135 return -EOPNOTSUPP;
3136
3137 if (value == U32_MAX)
3138 return -EINVAL;
3139
3140 ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3141 if (ret)
3142 goto out;
3143
3144 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3145 smu->user_dpm_profile.fan_mode = value;
3146
3147 /* reset user dpm fan speed */
3148 if (value != AMD_FAN_CTRL_MANUAL) {
3149 smu->user_dpm_profile.fan_speed_pwm = 0;
3150 smu->user_dpm_profile.fan_speed_rpm = 0;
3151 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3152 }
3153 }
3154
3155 out:
3156 return ret;
3157 }
3158
smu_get_fan_speed_pwm(void * handle,u32 * speed)3159 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3160 {
3161 struct smu_context *smu = handle;
3162 int ret = 0;
3163
3164 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3165 return -EOPNOTSUPP;
3166
3167 if (!smu->ppt_funcs->get_fan_speed_pwm)
3168 return -EOPNOTSUPP;
3169
3170 if (!speed)
3171 return -EINVAL;
3172
3173 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3174
3175 return ret;
3176 }
3177
smu_set_fan_speed_pwm(void * handle,u32 speed)3178 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3179 {
3180 struct smu_context *smu = handle;
3181 int ret = 0;
3182
3183 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3184 return -EOPNOTSUPP;
3185
3186 if (!smu->ppt_funcs->set_fan_speed_pwm)
3187 return -EOPNOTSUPP;
3188
3189 if (speed == U32_MAX)
3190 return -EINVAL;
3191
3192 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3193 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3194 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3195 smu->user_dpm_profile.fan_speed_pwm = speed;
3196
3197 /* Override custom RPM setting as they cannot co-exist */
3198 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3199 smu->user_dpm_profile.fan_speed_rpm = 0;
3200 }
3201
3202 return ret;
3203 }
3204
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)3205 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3206 {
3207 struct smu_context *smu = handle;
3208 int ret = 0;
3209
3210 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3211 return -EOPNOTSUPP;
3212
3213 if (!smu->ppt_funcs->get_fan_speed_rpm)
3214 return -EOPNOTSUPP;
3215
3216 if (!speed)
3217 return -EINVAL;
3218
3219 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3220
3221 return ret;
3222 }
3223
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)3224 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3225 {
3226 struct smu_context *smu = handle;
3227
3228 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3229 return -EOPNOTSUPP;
3230
3231 return smu_set_min_dcef_deep_sleep(smu, clk);
3232 }
3233
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)3234 static int smu_get_clock_by_type_with_latency(void *handle,
3235 enum amd_pp_clock_type type,
3236 struct pp_clock_levels_with_latency *clocks)
3237 {
3238 struct smu_context *smu = handle;
3239 enum smu_clk_type clk_type;
3240 int ret = 0;
3241
3242 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3243 return -EOPNOTSUPP;
3244
3245 if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3246 switch (type) {
3247 case amd_pp_sys_clock:
3248 clk_type = SMU_GFXCLK;
3249 break;
3250 case amd_pp_mem_clock:
3251 clk_type = SMU_MCLK;
3252 break;
3253 case amd_pp_dcef_clock:
3254 clk_type = SMU_DCEFCLK;
3255 break;
3256 case amd_pp_disp_clock:
3257 clk_type = SMU_DISPCLK;
3258 break;
3259 default:
3260 dev_err(smu->adev->dev, "Invalid clock type!\n");
3261 return -EINVAL;
3262 }
3263
3264 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3265 }
3266
3267 return ret;
3268 }
3269
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)3270 static int smu_display_clock_voltage_request(void *handle,
3271 struct pp_display_clock_request *clock_req)
3272 {
3273 struct smu_context *smu = handle;
3274 int ret = 0;
3275
3276 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3277 return -EOPNOTSUPP;
3278
3279 if (smu->ppt_funcs->display_clock_voltage_request)
3280 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3281
3282 return ret;
3283 }
3284
3285
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)3286 static int smu_display_disable_memory_clock_switch(void *handle,
3287 bool disable_memory_clock_switch)
3288 {
3289 struct smu_context *smu = handle;
3290 int ret = -EINVAL;
3291
3292 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3293 return -EOPNOTSUPP;
3294
3295 if (smu->ppt_funcs->display_disable_memory_clock_switch)
3296 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3297
3298 return ret;
3299 }
3300
smu_set_xgmi_pstate(void * handle,uint32_t pstate)3301 static int smu_set_xgmi_pstate(void *handle,
3302 uint32_t pstate)
3303 {
3304 struct smu_context *smu = handle;
3305 int ret = 0;
3306
3307 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3308 return -EOPNOTSUPP;
3309
3310 if (smu->ppt_funcs->set_xgmi_pstate)
3311 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3312
3313 if (ret)
3314 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3315
3316 return ret;
3317 }
3318
smu_get_baco_capability(void * handle)3319 static int smu_get_baco_capability(void *handle)
3320 {
3321 struct smu_context *smu = handle;
3322
3323 if (!smu->pm_enabled)
3324 return false;
3325
3326 if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3327 return false;
3328
3329 return smu->ppt_funcs->get_bamaco_support(smu);
3330 }
3331
smu_baco_set_state(void * handle,int state)3332 static int smu_baco_set_state(void *handle, int state)
3333 {
3334 struct smu_context *smu = handle;
3335 int ret = 0;
3336
3337 if (!smu->pm_enabled)
3338 return -EOPNOTSUPP;
3339
3340 if (state == 0) {
3341 if (smu->ppt_funcs->baco_exit)
3342 ret = smu->ppt_funcs->baco_exit(smu);
3343 } else if (state == 1) {
3344 if (smu->ppt_funcs->baco_enter)
3345 ret = smu->ppt_funcs->baco_enter(smu);
3346 } else {
3347 return -EINVAL;
3348 }
3349
3350 if (ret)
3351 dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3352 (state)?"enter":"exit");
3353
3354 return ret;
3355 }
3356
smu_mode1_reset_is_support(struct smu_context * smu)3357 bool smu_mode1_reset_is_support(struct smu_context *smu)
3358 {
3359 bool ret = false;
3360
3361 if (!smu->pm_enabled)
3362 return false;
3363
3364 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3365 ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3366
3367 return ret;
3368 }
3369
smu_mode2_reset_is_support(struct smu_context * smu)3370 bool smu_mode2_reset_is_support(struct smu_context *smu)
3371 {
3372 bool ret = false;
3373
3374 if (!smu->pm_enabled)
3375 return false;
3376
3377 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
3378 ret = smu->ppt_funcs->mode2_reset_is_support(smu);
3379
3380 return ret;
3381 }
3382
smu_mode1_reset(struct smu_context * smu)3383 int smu_mode1_reset(struct smu_context *smu)
3384 {
3385 int ret = 0;
3386
3387 if (!smu->pm_enabled)
3388 return -EOPNOTSUPP;
3389
3390 if (smu->ppt_funcs->mode1_reset)
3391 ret = smu->ppt_funcs->mode1_reset(smu);
3392
3393 return ret;
3394 }
3395
smu_mode2_reset(void * handle)3396 static int smu_mode2_reset(void *handle)
3397 {
3398 struct smu_context *smu = handle;
3399 int ret = 0;
3400
3401 if (!smu->pm_enabled)
3402 return -EOPNOTSUPP;
3403
3404 if (smu->ppt_funcs->mode2_reset)
3405 ret = smu->ppt_funcs->mode2_reset(smu);
3406
3407 if (ret)
3408 dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3409
3410 return ret;
3411 }
3412
smu_enable_gfx_features(void * handle)3413 static int smu_enable_gfx_features(void *handle)
3414 {
3415 struct smu_context *smu = handle;
3416 int ret = 0;
3417
3418 if (!smu->pm_enabled)
3419 return -EOPNOTSUPP;
3420
3421 if (smu->ppt_funcs->enable_gfx_features)
3422 ret = smu->ppt_funcs->enable_gfx_features(smu);
3423
3424 if (ret)
3425 dev_err(smu->adev->dev, "enable gfx features failed!\n");
3426
3427 return ret;
3428 }
3429
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)3430 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3431 struct pp_smu_nv_clock_table *max_clocks)
3432 {
3433 struct smu_context *smu = handle;
3434 int ret = 0;
3435
3436 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3437 return -EOPNOTSUPP;
3438
3439 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3440 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3441
3442 return ret;
3443 }
3444
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)3445 static int smu_get_uclk_dpm_states(void *handle,
3446 unsigned int *clock_values_in_khz,
3447 unsigned int *num_states)
3448 {
3449 struct smu_context *smu = handle;
3450 int ret = 0;
3451
3452 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3453 return -EOPNOTSUPP;
3454
3455 if (smu->ppt_funcs->get_uclk_dpm_states)
3456 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3457
3458 return ret;
3459 }
3460
smu_get_current_power_state(void * handle)3461 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3462 {
3463 struct smu_context *smu = handle;
3464 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3465
3466 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3467 return -EOPNOTSUPP;
3468
3469 if (smu->ppt_funcs->get_current_power_state)
3470 pm_state = smu->ppt_funcs->get_current_power_state(smu);
3471
3472 return pm_state;
3473 }
3474
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3475 static int smu_get_dpm_clock_table(void *handle,
3476 struct dpm_clocks *clock_table)
3477 {
3478 struct smu_context *smu = handle;
3479 int ret = 0;
3480
3481 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3482 return -EOPNOTSUPP;
3483
3484 if (smu->ppt_funcs->get_dpm_clock_table)
3485 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3486
3487 return ret;
3488 }
3489
smu_sys_get_gpu_metrics(void * handle,void ** table)3490 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3491 {
3492 struct smu_context *smu = handle;
3493
3494 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3495 return -EOPNOTSUPP;
3496
3497 if (!smu->ppt_funcs->get_gpu_metrics)
3498 return -EOPNOTSUPP;
3499
3500 return smu->ppt_funcs->get_gpu_metrics(smu, table);
3501 }
3502
smu_sys_get_pm_metrics(void * handle,void * pm_metrics,size_t size)3503 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3504 size_t size)
3505 {
3506 struct smu_context *smu = handle;
3507
3508 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3509 return -EOPNOTSUPP;
3510
3511 if (!smu->ppt_funcs->get_pm_metrics)
3512 return -EOPNOTSUPP;
3513
3514 return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3515 }
3516
smu_enable_mgpu_fan_boost(void * handle)3517 static int smu_enable_mgpu_fan_boost(void *handle)
3518 {
3519 struct smu_context *smu = handle;
3520 int ret = 0;
3521
3522 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3523 return -EOPNOTSUPP;
3524
3525 if (smu->ppt_funcs->enable_mgpu_fan_boost)
3526 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3527
3528 return ret;
3529 }
3530
smu_gfx_state_change_set(void * handle,uint32_t state)3531 static int smu_gfx_state_change_set(void *handle,
3532 uint32_t state)
3533 {
3534 struct smu_context *smu = handle;
3535 int ret = 0;
3536
3537 if (smu->ppt_funcs->gfx_state_change_set)
3538 ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3539
3540 return ret;
3541 }
3542
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3543 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3544 {
3545 int ret = 0;
3546
3547 if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3548 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3549
3550 return ret;
3551 }
3552
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3553 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3554 {
3555 int ret = -EOPNOTSUPP;
3556
3557 if (smu->ppt_funcs &&
3558 smu->ppt_funcs->get_ecc_info)
3559 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3560
3561 return ret;
3562
3563 }
3564
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3565 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3566 {
3567 struct smu_context *smu = handle;
3568 struct smu_table_context *smu_table = &smu->smu_table;
3569 struct smu_table *memory_pool = &smu_table->memory_pool;
3570
3571 if (!addr || !size)
3572 return -EINVAL;
3573
3574 *addr = NULL;
3575 *size = 0;
3576 if (memory_pool->bo) {
3577 *addr = memory_pool->cpu_addr;
3578 *size = memory_pool->size;
3579 }
3580
3581 return 0;
3582 }
3583
smu_print_dpm_policy(struct smu_dpm_policy * policy,char * sysbuf,size_t * size)3584 static void smu_print_dpm_policy(struct smu_dpm_policy *policy, char *sysbuf,
3585 size_t *size)
3586 {
3587 size_t offset = *size;
3588 int level;
3589
3590 for_each_set_bit(level, &policy->level_mask, PP_POLICY_MAX_LEVELS) {
3591 if (level == policy->current_level)
3592 offset += sysfs_emit_at(sysbuf, offset,
3593 "%d : %s*\n", level,
3594 policy->desc->get_desc(policy, level));
3595 else
3596 offset += sysfs_emit_at(sysbuf, offset,
3597 "%d : %s\n", level,
3598 policy->desc->get_desc(policy, level));
3599 }
3600
3601 *size = offset;
3602 }
3603
smu_get_pm_policy_info(struct smu_context * smu,enum pp_pm_policy p_type,char * sysbuf)3604 ssize_t smu_get_pm_policy_info(struct smu_context *smu,
3605 enum pp_pm_policy p_type, char *sysbuf)
3606 {
3607 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3608 struct smu_dpm_policy_ctxt *policy_ctxt;
3609 struct smu_dpm_policy *dpm_policy;
3610 size_t offset = 0;
3611
3612 policy_ctxt = dpm_ctxt->dpm_policies;
3613 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3614 !policy_ctxt->policy_mask)
3615 return -EOPNOTSUPP;
3616
3617 if (p_type == PP_PM_POLICY_NONE)
3618 return -EINVAL;
3619
3620 dpm_policy = smu_get_pm_policy(smu, p_type);
3621 if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->desc)
3622 return -ENOENT;
3623
3624 if (!sysbuf)
3625 return -EINVAL;
3626
3627 smu_print_dpm_policy(dpm_policy, sysbuf, &offset);
3628
3629 return offset;
3630 }
3631
smu_get_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type)3632 struct smu_dpm_policy *smu_get_pm_policy(struct smu_context *smu,
3633 enum pp_pm_policy p_type)
3634 {
3635 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3636 struct smu_dpm_policy_ctxt *policy_ctxt;
3637 int i;
3638
3639 policy_ctxt = dpm_ctxt->dpm_policies;
3640 if (!policy_ctxt)
3641 return NULL;
3642
3643 for (i = 0; i < hweight32(policy_ctxt->policy_mask); ++i) {
3644 if (policy_ctxt->policies[i].policy_type == p_type)
3645 return &policy_ctxt->policies[i];
3646 }
3647
3648 return NULL;
3649 }
3650
smu_set_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type,int level)3651 int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type,
3652 int level)
3653 {
3654 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3655 struct smu_dpm_policy *dpm_policy = NULL;
3656 struct smu_dpm_policy_ctxt *policy_ctxt;
3657 int ret = -EOPNOTSUPP;
3658
3659 policy_ctxt = dpm_ctxt->dpm_policies;
3660 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3661 !policy_ctxt->policy_mask)
3662 return ret;
3663
3664 if (level < 0 || level >= PP_POLICY_MAX_LEVELS)
3665 return -EINVAL;
3666
3667 dpm_policy = smu_get_pm_policy(smu, p_type);
3668
3669 if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->set_policy)
3670 return ret;
3671
3672 if (dpm_policy->current_level == level)
3673 return 0;
3674
3675 ret = dpm_policy->set_policy(smu, level);
3676
3677 if (!ret)
3678 dpm_policy->current_level = level;
3679
3680 return ret;
3681 }
3682
3683 static const struct amd_pm_funcs swsmu_pm_funcs = {
3684 /* export for sysfs */
3685 .set_fan_control_mode = smu_set_fan_control_mode,
3686 .get_fan_control_mode = smu_get_fan_control_mode,
3687 .set_fan_speed_pwm = smu_set_fan_speed_pwm,
3688 .get_fan_speed_pwm = smu_get_fan_speed_pwm,
3689 .force_clock_level = smu_force_ppclk_levels,
3690 .print_clock_levels = smu_print_ppclk_levels,
3691 .emit_clock_levels = smu_emit_ppclk_levels,
3692 .force_performance_level = smu_force_performance_level,
3693 .read_sensor = smu_read_sensor,
3694 .get_apu_thermal_limit = smu_get_apu_thermal_limit,
3695 .set_apu_thermal_limit = smu_set_apu_thermal_limit,
3696 .get_performance_level = smu_get_performance_level,
3697 .get_current_power_state = smu_get_current_power_state,
3698 .get_fan_speed_rpm = smu_get_fan_speed_rpm,
3699 .set_fan_speed_rpm = smu_set_fan_speed_rpm,
3700 .get_pp_num_states = smu_get_power_num_states,
3701 .get_pp_table = smu_sys_get_pp_table,
3702 .set_pp_table = smu_sys_set_pp_table,
3703 .switch_power_profile = smu_switch_power_profile,
3704 /* export to amdgpu */
3705 .dispatch_tasks = smu_handle_dpm_task,
3706 .load_firmware = smu_load_microcode,
3707 .set_powergating_by_smu = smu_dpm_set_power_gate,
3708 .set_power_limit = smu_set_power_limit,
3709 .get_power_limit = smu_get_power_limit,
3710 .get_power_profile_mode = smu_get_power_profile_mode,
3711 .set_power_profile_mode = smu_set_power_profile_mode,
3712 .odn_edit_dpm_table = smu_od_edit_dpm_table,
3713 .set_mp1_state = smu_set_mp1_state,
3714 .gfx_state_change_set = smu_gfx_state_change_set,
3715 /* export to DC */
3716 .get_sclk = smu_get_sclk,
3717 .get_mclk = smu_get_mclk,
3718 .display_configuration_change = smu_display_configuration_change,
3719 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency,
3720 .display_clock_voltage_request = smu_display_clock_voltage_request,
3721 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost,
3722 .set_active_display_count = smu_set_display_count,
3723 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk,
3724 .get_asic_baco_capability = smu_get_baco_capability,
3725 .set_asic_baco_state = smu_baco_set_state,
3726 .get_ppfeature_status = smu_sys_get_pp_feature_mask,
3727 .set_ppfeature_status = smu_sys_set_pp_feature_mask,
3728 .asic_reset_mode_2 = smu_mode2_reset,
3729 .asic_reset_enable_gfx_features = smu_enable_gfx_features,
3730 .set_df_cstate = smu_set_df_cstate,
3731 .set_xgmi_pstate = smu_set_xgmi_pstate,
3732 .get_gpu_metrics = smu_sys_get_gpu_metrics,
3733 .get_pm_metrics = smu_sys_get_pm_metrics,
3734 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges,
3735 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3736 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc,
3737 .get_uclk_dpm_states = smu_get_uclk_dpm_states,
3738 .get_dpm_clock_table = smu_get_dpm_clock_table,
3739 .get_smu_prv_buf_details = smu_get_prv_buffer_details,
3740 };
3741
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3742 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3743 uint64_t event_arg)
3744 {
3745 int ret = -EINVAL;
3746
3747 if (smu->ppt_funcs->wait_for_event)
3748 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3749
3750 return ret;
3751 }
3752
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3753 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3754 {
3755
3756 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3757 return -EOPNOTSUPP;
3758
3759 /* Confirm the buffer allocated is of correct size */
3760 if (size != smu->stb_context.stb_buf_size)
3761 return -EINVAL;
3762
3763 /*
3764 * No need to lock smu mutex as we access STB directly through MMIO
3765 * and not going through SMU messaging route (for now at least).
3766 * For registers access rely on implementation internal locking.
3767 */
3768 return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3769 }
3770
3771 #if defined(CONFIG_DEBUG_FS)
3772
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3773 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3774 {
3775 struct amdgpu_device *adev = filp->f_inode->i_private;
3776 struct smu_context *smu = adev->powerplay.pp_handle;
3777 unsigned char *buf;
3778 int r;
3779
3780 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3781 if (!buf)
3782 return -ENOMEM;
3783
3784 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3785 if (r)
3786 goto out;
3787
3788 filp->private_data = buf;
3789
3790 return 0;
3791
3792 out:
3793 kvfree(buf);
3794 return r;
3795 }
3796
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3797 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3798 loff_t *pos)
3799 {
3800 struct amdgpu_device *adev = filp->f_inode->i_private;
3801 struct smu_context *smu = adev->powerplay.pp_handle;
3802
3803
3804 if (!filp->private_data)
3805 return -EINVAL;
3806
3807 return simple_read_from_buffer(buf,
3808 size,
3809 pos, filp->private_data,
3810 smu->stb_context.stb_buf_size);
3811 }
3812
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3813 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3814 {
3815 kvfree(filp->private_data);
3816 filp->private_data = NULL;
3817
3818 return 0;
3819 }
3820
3821 /*
3822 * We have to define not only read method but also
3823 * open and release because .read takes up to PAGE_SIZE
3824 * data each time so and so is invoked multiple times.
3825 * We allocate the STB buffer in .open and release it
3826 * in .release
3827 */
3828 static const struct file_operations smu_stb_debugfs_fops = {
3829 .owner = THIS_MODULE,
3830 .open = smu_stb_debugfs_open,
3831 .read = smu_stb_debugfs_read,
3832 .release = smu_stb_debugfs_release,
3833 .llseek = default_llseek,
3834 };
3835
3836 #endif
3837
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3838 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3839 {
3840 #if defined(CONFIG_DEBUG_FS)
3841
3842 struct smu_context *smu = adev->powerplay.pp_handle;
3843
3844 if (!smu || (!smu->stb_context.stb_buf_size))
3845 return;
3846
3847 debugfs_create_file_size("amdgpu_smu_stb_dump",
3848 S_IRUSR,
3849 adev_to_drm(adev)->primary->debugfs_root,
3850 adev,
3851 &smu_stb_debugfs_fops,
3852 smu->stb_context.stb_buf_size);
3853 #endif
3854 }
3855
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3856 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3857 {
3858 int ret = 0;
3859
3860 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3861 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3862
3863 return ret;
3864 }
3865
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3866 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3867 {
3868 int ret = 0;
3869
3870 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3871 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3872
3873 return ret;
3874 }
3875
smu_send_rma_reason(struct smu_context * smu)3876 int smu_send_rma_reason(struct smu_context *smu)
3877 {
3878 int ret = 0;
3879
3880 if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
3881 ret = smu->ppt_funcs->send_rma_reason(smu);
3882
3883 return ret;
3884 }
3885