1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #define SWSMU_CODE_LAYER_L1
24
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/power_supply.h>
28 #include <linux/reboot.h>
29
30 #include "amdgpu.h"
31 #include "amdgpu_smu.h"
32 #include "smu_internal.h"
33 #include "atom.h"
34 #include "arcturus_ppt.h"
35 #include "navi10_ppt.h"
36 #include "sienna_cichlid_ppt.h"
37 #include "renoir_ppt.h"
38 #include "vangogh_ppt.h"
39 #include "aldebaran_ppt.h"
40 #include "yellow_carp_ppt.h"
41 #include "cyan_skillfish_ppt.h"
42 #include "smu_v13_0_0_ppt.h"
43 #include "smu_v13_0_4_ppt.h"
44 #include "smu_v13_0_5_ppt.h"
45 #include "smu_v13_0_6_ppt.h"
46 #include "smu_v13_0_7_ppt.h"
47 #include "smu_v14_0_0_ppt.h"
48 #include "smu_v14_0_2_ppt.h"
49 #include "amd_pcie.h"
50
51 /*
52 * DO NOT use these for err/warn/info/debug messages.
53 * Use dev_err, dev_warn, dev_info and dev_dbg instead.
54 * They are more MGPU friendly.
55 */
56 #undef pr_err
57 #undef pr_warn
58 #undef pr_info
59 #undef pr_debug
60
61 static const struct amd_pm_funcs swsmu_pm_funcs;
62 static int smu_force_smuclk_levels(struct smu_context *smu,
63 enum smu_clk_type clk_type,
64 uint32_t mask);
65 static int smu_handle_task(struct smu_context *smu,
66 enum amd_dpm_forced_level level,
67 enum amd_pp_task task_id);
68 static int smu_reset(struct smu_context *smu);
69 static int smu_set_fan_speed_pwm(void *handle, u32 speed);
70 static int smu_set_fan_control_mode(void *handle, u32 value);
71 static int smu_set_power_limit(void *handle, uint32_t limit);
72 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed);
73 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
74 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state);
75
smu_sys_get_pp_feature_mask(void * handle,char * buf)76 static int smu_sys_get_pp_feature_mask(void *handle,
77 char *buf)
78 {
79 struct smu_context *smu = handle;
80
81 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
82 return -EOPNOTSUPP;
83
84 return smu_get_pp_feature_mask(smu, buf);
85 }
86
smu_sys_set_pp_feature_mask(void * handle,uint64_t new_mask)87 static int smu_sys_set_pp_feature_mask(void *handle,
88 uint64_t new_mask)
89 {
90 struct smu_context *smu = handle;
91
92 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
93 return -EOPNOTSUPP;
94
95 return smu_set_pp_feature_mask(smu, new_mask);
96 }
97
smu_set_residency_gfxoff(struct smu_context * smu,bool value)98 int smu_set_residency_gfxoff(struct smu_context *smu, bool value)
99 {
100 if (!smu->ppt_funcs->set_gfx_off_residency)
101 return -EINVAL;
102
103 return smu_set_gfx_off_residency(smu, value);
104 }
105
smu_get_residency_gfxoff(struct smu_context * smu,u32 * value)106 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value)
107 {
108 if (!smu->ppt_funcs->get_gfx_off_residency)
109 return -EINVAL;
110
111 return smu_get_gfx_off_residency(smu, value);
112 }
113
smu_get_entrycount_gfxoff(struct smu_context * smu,u64 * value)114 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value)
115 {
116 if (!smu->ppt_funcs->get_gfx_off_entrycount)
117 return -EINVAL;
118
119 return smu_get_gfx_off_entrycount(smu, value);
120 }
121
smu_get_status_gfxoff(struct smu_context * smu,uint32_t * value)122 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
123 {
124 if (!smu->ppt_funcs->get_gfx_off_status)
125 return -EINVAL;
126
127 *value = smu_get_gfx_off_status(smu);
128
129 return 0;
130 }
131
smu_set_soft_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t min,uint32_t max)132 int smu_set_soft_freq_range(struct smu_context *smu,
133 enum smu_clk_type clk_type,
134 uint32_t min,
135 uint32_t max)
136 {
137 int ret = 0;
138
139 if (smu->ppt_funcs->set_soft_freq_limited_range)
140 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
141 clk_type,
142 min,
143 max);
144
145 return ret;
146 }
147
smu_get_dpm_freq_range(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t * min,uint32_t * max)148 int smu_get_dpm_freq_range(struct smu_context *smu,
149 enum smu_clk_type clk_type,
150 uint32_t *min,
151 uint32_t *max)
152 {
153 int ret = -ENOTSUPP;
154
155 if (!min && !max)
156 return -EINVAL;
157
158 if (smu->ppt_funcs->get_dpm_ultimate_freq)
159 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
160 clk_type,
161 min,
162 max);
163
164 return ret;
165 }
166
smu_set_gfx_power_up_by_imu(struct smu_context * smu)167 int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
168 {
169 int ret = 0;
170 struct amdgpu_device *adev = smu->adev;
171
172 if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
173 ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
174 if (ret)
175 dev_err(adev->dev, "Failed to enable gfx imu!\n");
176 }
177 return ret;
178 }
179
smu_get_mclk(void * handle,bool low)180 static u32 smu_get_mclk(void *handle, bool low)
181 {
182 struct smu_context *smu = handle;
183 uint32_t clk_freq;
184 int ret = 0;
185
186 ret = smu_get_dpm_freq_range(smu, SMU_UCLK,
187 low ? &clk_freq : NULL,
188 !low ? &clk_freq : NULL);
189 if (ret)
190 return 0;
191 return clk_freq * 100;
192 }
193
smu_get_sclk(void * handle,bool low)194 static u32 smu_get_sclk(void *handle, bool low)
195 {
196 struct smu_context *smu = handle;
197 uint32_t clk_freq;
198 int ret = 0;
199
200 ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK,
201 low ? &clk_freq : NULL,
202 !low ? &clk_freq : NULL);
203 if (ret)
204 return 0;
205 return clk_freq * 100;
206 }
207
smu_set_gfx_imu_enable(struct smu_context * smu)208 static int smu_set_gfx_imu_enable(struct smu_context *smu)
209 {
210 struct amdgpu_device *adev = smu->adev;
211
212 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
213 return 0;
214
215 if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
216 return 0;
217
218 return smu_set_gfx_power_up_by_imu(smu);
219 }
220
is_vcn_enabled(struct amdgpu_device * adev)221 static bool is_vcn_enabled(struct amdgpu_device *adev)
222 {
223 int i;
224
225 for (i = 0; i < adev->num_ip_blocks; i++) {
226 if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_VCN ||
227 adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_JPEG) &&
228 !adev->ip_blocks[i].status.valid)
229 return false;
230 }
231
232 return true;
233 }
234
smu_dpm_set_vcn_enable(struct smu_context * smu,bool enable)235 static int smu_dpm_set_vcn_enable(struct smu_context *smu,
236 bool enable)
237 {
238 struct smu_power_context *smu_power = &smu->smu_power;
239 struct smu_power_gate *power_gate = &smu_power->power_gate;
240 int ret = 0;
241
242 /*
243 * don't poweron vcn/jpeg when they are skipped.
244 */
245 if (!is_vcn_enabled(smu->adev))
246 return 0;
247
248 if (!smu->ppt_funcs->dpm_set_vcn_enable)
249 return 0;
250
251 if (atomic_read(&power_gate->vcn_gated) ^ enable)
252 return 0;
253
254 ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable);
255 if (!ret)
256 atomic_set(&power_gate->vcn_gated, !enable);
257
258 return ret;
259 }
260
smu_dpm_set_jpeg_enable(struct smu_context * smu,bool enable)261 static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
262 bool enable)
263 {
264 struct smu_power_context *smu_power = &smu->smu_power;
265 struct smu_power_gate *power_gate = &smu_power->power_gate;
266 int ret = 0;
267
268 if (!is_vcn_enabled(smu->adev))
269 return 0;
270
271 if (!smu->ppt_funcs->dpm_set_jpeg_enable)
272 return 0;
273
274 if (atomic_read(&power_gate->jpeg_gated) ^ enable)
275 return 0;
276
277 ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable);
278 if (!ret)
279 atomic_set(&power_gate->jpeg_gated, !enable);
280
281 return ret;
282 }
283
smu_dpm_set_vpe_enable(struct smu_context * smu,bool enable)284 static int smu_dpm_set_vpe_enable(struct smu_context *smu,
285 bool enable)
286 {
287 struct smu_power_context *smu_power = &smu->smu_power;
288 struct smu_power_gate *power_gate = &smu_power->power_gate;
289 int ret = 0;
290
291 if (!smu->ppt_funcs->dpm_set_vpe_enable)
292 return 0;
293
294 if (atomic_read(&power_gate->vpe_gated) ^ enable)
295 return 0;
296
297 ret = smu->ppt_funcs->dpm_set_vpe_enable(smu, enable);
298 if (!ret)
299 atomic_set(&power_gate->vpe_gated, !enable);
300
301 return ret;
302 }
303
smu_dpm_set_umsch_mm_enable(struct smu_context * smu,bool enable)304 static int smu_dpm_set_umsch_mm_enable(struct smu_context *smu,
305 bool enable)
306 {
307 struct smu_power_context *smu_power = &smu->smu_power;
308 struct smu_power_gate *power_gate = &smu_power->power_gate;
309 int ret = 0;
310
311 if (!smu->adev->enable_umsch_mm)
312 return 0;
313
314 if (!smu->ppt_funcs->dpm_set_umsch_mm_enable)
315 return 0;
316
317 if (atomic_read(&power_gate->umsch_mm_gated) ^ enable)
318 return 0;
319
320 ret = smu->ppt_funcs->dpm_set_umsch_mm_enable(smu, enable);
321 if (!ret)
322 atomic_set(&power_gate->umsch_mm_gated, !enable);
323
324 return ret;
325 }
326
smu_set_mall_enable(struct smu_context * smu)327 static int smu_set_mall_enable(struct smu_context *smu)
328 {
329 int ret = 0;
330
331 if (!smu->ppt_funcs->set_mall_enable)
332 return 0;
333
334 ret = smu->ppt_funcs->set_mall_enable(smu);
335
336 return ret;
337 }
338
339 /**
340 * smu_dpm_set_power_gate - power gate/ungate the specific IP block
341 *
342 * @handle: smu_context pointer
343 * @block_type: the IP block to power gate/ungate
344 * @gate: to power gate if true, ungate otherwise
345 *
346 * This API uses no smu->mutex lock protection due to:
347 * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce).
348 * This is guarded to be race condition free by the caller.
349 * 2. Or get called on user setting request of power_dpm_force_performance_level.
350 * Under this case, the smu->mutex lock protection is already enforced on
351 * the parent API smu_force_performance_level of the call path.
352 */
smu_dpm_set_power_gate(void * handle,uint32_t block_type,bool gate)353 static int smu_dpm_set_power_gate(void *handle,
354 uint32_t block_type,
355 bool gate)
356 {
357 struct smu_context *smu = handle;
358 int ret = 0;
359
360 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
361 dev_WARN(smu->adev->dev,
362 "SMU uninitialized but power %s requested for %u!\n",
363 gate ? "gate" : "ungate", block_type);
364 return -EOPNOTSUPP;
365 }
366
367 switch (block_type) {
368 /*
369 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses
370 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept.
371 */
372 case AMD_IP_BLOCK_TYPE_UVD:
373 case AMD_IP_BLOCK_TYPE_VCN:
374 ret = smu_dpm_set_vcn_enable(smu, !gate);
375 if (ret)
376 dev_err(smu->adev->dev, "Failed to power %s VCN!\n",
377 gate ? "gate" : "ungate");
378 break;
379 case AMD_IP_BLOCK_TYPE_GFX:
380 ret = smu_gfx_off_control(smu, gate);
381 if (ret)
382 dev_err(smu->adev->dev, "Failed to %s gfxoff!\n",
383 gate ? "enable" : "disable");
384 break;
385 case AMD_IP_BLOCK_TYPE_SDMA:
386 ret = smu_powergate_sdma(smu, gate);
387 if (ret)
388 dev_err(smu->adev->dev, "Failed to power %s SDMA!\n",
389 gate ? "gate" : "ungate");
390 break;
391 case AMD_IP_BLOCK_TYPE_JPEG:
392 ret = smu_dpm_set_jpeg_enable(smu, !gate);
393 if (ret)
394 dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
395 gate ? "gate" : "ungate");
396 break;
397 case AMD_IP_BLOCK_TYPE_VPE:
398 ret = smu_dpm_set_vpe_enable(smu, !gate);
399 if (ret)
400 dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
401 gate ? "gate" : "ungate");
402 break;
403 default:
404 dev_err(smu->adev->dev, "Unsupported block type!\n");
405 return -EINVAL;
406 }
407
408 return ret;
409 }
410
411 /**
412 * smu_set_user_clk_dependencies - set user profile clock dependencies
413 *
414 * @smu: smu_context pointer
415 * @clk: enum smu_clk_type type
416 *
417 * Enable/Disable the clock dependency for the @clk type.
418 */
smu_set_user_clk_dependencies(struct smu_context * smu,enum smu_clk_type clk)419 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk)
420 {
421 if (smu->adev->in_suspend)
422 return;
423
424 if (clk == SMU_MCLK) {
425 smu->user_dpm_profile.clk_dependency = 0;
426 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK);
427 } else if (clk == SMU_FCLK) {
428 /* MCLK takes precedence over FCLK */
429 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
430 return;
431
432 smu->user_dpm_profile.clk_dependency = 0;
433 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK);
434 } else if (clk == SMU_SOCCLK) {
435 /* MCLK takes precedence over SOCCLK */
436 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK)))
437 return;
438
439 smu->user_dpm_profile.clk_dependency = 0;
440 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK);
441 } else
442 /* Add clk dependencies here, if any */
443 return;
444 }
445
446 /**
447 * smu_restore_dpm_user_profile - reinstate user dpm profile
448 *
449 * @smu: smu_context pointer
450 *
451 * Restore the saved user power configurations include power limit,
452 * clock frequencies, fan control mode and fan speed.
453 */
smu_restore_dpm_user_profile(struct smu_context * smu)454 static void smu_restore_dpm_user_profile(struct smu_context *smu)
455 {
456 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
457 int ret = 0;
458
459 if (!smu->adev->in_suspend)
460 return;
461
462 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
463 return;
464
465 /* Enable restore flag */
466 smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE;
467
468 /* set the user dpm power limit */
469 if (smu->user_dpm_profile.power_limit) {
470 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit);
471 if (ret)
472 dev_err(smu->adev->dev, "Failed to set power limit value\n");
473 }
474
475 /* set the user dpm clock configurations */
476 if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) {
477 enum smu_clk_type clk_type;
478
479 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) {
480 /*
481 * Iterate over smu clk type and force the saved user clk
482 * configs, skip if clock dependency is enabled
483 */
484 if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) &&
485 smu->user_dpm_profile.clk_mask[clk_type]) {
486 ret = smu_force_smuclk_levels(smu, clk_type,
487 smu->user_dpm_profile.clk_mask[clk_type]);
488 if (ret)
489 dev_err(smu->adev->dev,
490 "Failed to set clock type = %d\n", clk_type);
491 }
492 }
493 }
494
495 /* set the user dpm fan configurations */
496 if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL ||
497 smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) {
498 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode);
499 if (ret != -EOPNOTSUPP) {
500 smu->user_dpm_profile.fan_speed_pwm = 0;
501 smu->user_dpm_profile.fan_speed_rpm = 0;
502 smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO;
503 dev_err(smu->adev->dev, "Failed to set manual fan control mode\n");
504 }
505
506 if (smu->user_dpm_profile.fan_speed_pwm) {
507 ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm);
508 if (ret != -EOPNOTSUPP)
509 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n");
510 }
511
512 if (smu->user_dpm_profile.fan_speed_rpm) {
513 ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm);
514 if (ret != -EOPNOTSUPP)
515 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n");
516 }
517 }
518
519 /* Restore user customized OD settings */
520 if (smu->user_dpm_profile.user_od) {
521 if (smu->ppt_funcs->restore_user_od_settings) {
522 ret = smu->ppt_funcs->restore_user_od_settings(smu);
523 if (ret)
524 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n");
525 }
526 }
527
528 /* Disable restore flag */
529 smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE;
530 }
531
smu_get_power_num_states(void * handle,struct pp_states_info * state_info)532 static int smu_get_power_num_states(void *handle,
533 struct pp_states_info *state_info)
534 {
535 if (!state_info)
536 return -EINVAL;
537
538 /* not support power state */
539 memset(state_info, 0, sizeof(struct pp_states_info));
540 state_info->nums = 1;
541 state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
542
543 return 0;
544 }
545
is_support_sw_smu(struct amdgpu_device * adev)546 bool is_support_sw_smu(struct amdgpu_device *adev)
547 {
548 /* vega20 is 11.0.2, but it's supported via the powerplay code */
549 if (adev->asic_type == CHIP_VEGA20)
550 return false;
551
552 if (amdgpu_ip_version(adev, MP1_HWIP, 0) >= IP_VERSION(11, 0, 0))
553 return true;
554
555 return false;
556 }
557
is_support_cclk_dpm(struct amdgpu_device * adev)558 bool is_support_cclk_dpm(struct amdgpu_device *adev)
559 {
560 struct smu_context *smu = adev->powerplay.pp_handle;
561
562 if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT))
563 return false;
564
565 return true;
566 }
567
568
smu_sys_get_pp_table(void * handle,char ** table)569 static int smu_sys_get_pp_table(void *handle,
570 char **table)
571 {
572 struct smu_context *smu = handle;
573 struct smu_table_context *smu_table = &smu->smu_table;
574
575 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
576 return -EOPNOTSUPP;
577
578 if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
579 return -EINVAL;
580
581 if (smu_table->hardcode_pptable)
582 *table = smu_table->hardcode_pptable;
583 else
584 *table = smu_table->power_play_table;
585
586 return smu_table->power_play_table_size;
587 }
588
smu_sys_set_pp_table(void * handle,const char * buf,size_t size)589 static int smu_sys_set_pp_table(void *handle,
590 const char *buf,
591 size_t size)
592 {
593 struct smu_context *smu = handle;
594 struct smu_table_context *smu_table = &smu->smu_table;
595 ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
596 int ret = 0;
597
598 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
599 return -EOPNOTSUPP;
600
601 if (header->usStructureSize != size) {
602 dev_err(smu->adev->dev, "pp table size not matched !\n");
603 return -EIO;
604 }
605
606 if (!smu_table->hardcode_pptable) {
607 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
608 if (!smu_table->hardcode_pptable)
609 return -ENOMEM;
610 }
611
612 memcpy(smu_table->hardcode_pptable, buf, size);
613 smu_table->power_play_table = smu_table->hardcode_pptable;
614 smu_table->power_play_table_size = size;
615
616 /*
617 * Special hw_fini action(for Navi1x, the DPMs disablement will be
618 * skipped) may be needed for custom pptable uploading.
619 */
620 smu->uploading_custom_pp_table = true;
621
622 ret = smu_reset(smu);
623 if (ret)
624 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret);
625
626 smu->uploading_custom_pp_table = false;
627
628 return ret;
629 }
630
smu_get_driver_allowed_feature_mask(struct smu_context * smu)631 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu)
632 {
633 struct smu_feature *feature = &smu->smu_feature;
634 uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
635 int ret = 0;
636
637 /*
638 * With SCPM enabled, the allowed featuremasks setting(via
639 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted.
640 * That means there is no way to let PMFW knows the settings below.
641 * Thus, we just assume all the features are allowed under
642 * such scenario.
643 */
644 if (smu->adev->scpm_enabled) {
645 bitmap_fill(feature->allowed, SMU_FEATURE_MAX);
646 return 0;
647 }
648
649 bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
650
651 ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
652 SMU_FEATURE_MAX/32);
653 if (ret)
654 return ret;
655
656 bitmap_or(feature->allowed, feature->allowed,
657 (unsigned long *)allowed_feature_mask,
658 feature->feature_num);
659
660 return ret;
661 }
662
smu_set_funcs(struct amdgpu_device * adev)663 static int smu_set_funcs(struct amdgpu_device *adev)
664 {
665 struct smu_context *smu = adev->powerplay.pp_handle;
666
667 if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
668 smu->od_enabled = true;
669
670 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
671 case IP_VERSION(11, 0, 0):
672 case IP_VERSION(11, 0, 5):
673 case IP_VERSION(11, 0, 9):
674 navi10_set_ppt_funcs(smu);
675 break;
676 case IP_VERSION(11, 0, 7):
677 case IP_VERSION(11, 0, 11):
678 case IP_VERSION(11, 0, 12):
679 case IP_VERSION(11, 0, 13):
680 sienna_cichlid_set_ppt_funcs(smu);
681 break;
682 case IP_VERSION(12, 0, 0):
683 case IP_VERSION(12, 0, 1):
684 renoir_set_ppt_funcs(smu);
685 break;
686 case IP_VERSION(11, 5, 0):
687 vangogh_set_ppt_funcs(smu);
688 break;
689 case IP_VERSION(13, 0, 1):
690 case IP_VERSION(13, 0, 3):
691 case IP_VERSION(13, 0, 8):
692 yellow_carp_set_ppt_funcs(smu);
693 break;
694 case IP_VERSION(13, 0, 4):
695 case IP_VERSION(13, 0, 11):
696 smu_v13_0_4_set_ppt_funcs(smu);
697 break;
698 case IP_VERSION(13, 0, 5):
699 smu_v13_0_5_set_ppt_funcs(smu);
700 break;
701 case IP_VERSION(11, 0, 8):
702 cyan_skillfish_set_ppt_funcs(smu);
703 break;
704 case IP_VERSION(11, 0, 2):
705 adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
706 arcturus_set_ppt_funcs(smu);
707 /* OD is not supported on Arcturus */
708 smu->od_enabled = false;
709 break;
710 case IP_VERSION(13, 0, 2):
711 aldebaran_set_ppt_funcs(smu);
712 /* Enable pp_od_clk_voltage node */
713 smu->od_enabled = true;
714 break;
715 case IP_VERSION(13, 0, 0):
716 case IP_VERSION(13, 0, 10):
717 smu_v13_0_0_set_ppt_funcs(smu);
718 break;
719 case IP_VERSION(13, 0, 6):
720 case IP_VERSION(13, 0, 14):
721 smu_v13_0_6_set_ppt_funcs(smu);
722 /* Enable pp_od_clk_voltage node */
723 smu->od_enabled = true;
724 break;
725 case IP_VERSION(13, 0, 7):
726 smu_v13_0_7_set_ppt_funcs(smu);
727 break;
728 case IP_VERSION(14, 0, 0):
729 case IP_VERSION(14, 0, 1):
730 case IP_VERSION(14, 0, 4):
731 smu_v14_0_0_set_ppt_funcs(smu);
732 break;
733 case IP_VERSION(14, 0, 2):
734 case IP_VERSION(14, 0, 3):
735 smu_v14_0_2_set_ppt_funcs(smu);
736 break;
737 default:
738 return -EINVAL;
739 }
740
741 return 0;
742 }
743
smu_early_init(void * handle)744 static int smu_early_init(void *handle)
745 {
746 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
747 struct smu_context *smu;
748 int r;
749
750 smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL);
751 if (!smu)
752 return -ENOMEM;
753
754 smu->adev = adev;
755 smu->pm_enabled = !!amdgpu_dpm;
756 smu->is_apu = false;
757 smu->smu_baco.state = SMU_BACO_STATE_NONE;
758 smu->smu_baco.platform_support = false;
759 smu->smu_baco.maco_support = false;
760 smu->user_dpm_profile.fan_mode = -1;
761
762 mutex_init(&smu->message_lock);
763
764 adev->powerplay.pp_handle = smu;
765 adev->powerplay.pp_funcs = &swsmu_pm_funcs;
766
767 r = smu_set_funcs(adev);
768 if (r)
769 return r;
770 return smu_init_microcode(smu);
771 }
772
smu_set_default_dpm_table(struct smu_context * smu)773 static int smu_set_default_dpm_table(struct smu_context *smu)
774 {
775 struct amdgpu_device *adev = smu->adev;
776 struct smu_power_context *smu_power = &smu->smu_power;
777 struct smu_power_gate *power_gate = &smu_power->power_gate;
778 int vcn_gate, jpeg_gate;
779 int ret = 0;
780
781 if (!smu->ppt_funcs->set_default_dpm_table)
782 return 0;
783
784 if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
785 vcn_gate = atomic_read(&power_gate->vcn_gated);
786 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
787 jpeg_gate = atomic_read(&power_gate->jpeg_gated);
788
789 if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
790 ret = smu_dpm_set_vcn_enable(smu, true);
791 if (ret)
792 return ret;
793 }
794
795 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
796 ret = smu_dpm_set_jpeg_enable(smu, true);
797 if (ret)
798 goto err_out;
799 }
800
801 ret = smu->ppt_funcs->set_default_dpm_table(smu);
802 if (ret)
803 dev_err(smu->adev->dev,
804 "Failed to setup default dpm clock tables!\n");
805
806 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG)
807 smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
808 err_out:
809 if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
810 smu_dpm_set_vcn_enable(smu, !vcn_gate);
811
812 return ret;
813 }
814
smu_apply_default_config_table_settings(struct smu_context * smu)815 static int smu_apply_default_config_table_settings(struct smu_context *smu)
816 {
817 struct amdgpu_device *adev = smu->adev;
818 int ret = 0;
819
820 ret = smu_get_default_config_table_settings(smu,
821 &adev->pm.config_table);
822 if (ret)
823 return ret;
824
825 return smu_set_config_table(smu, &adev->pm.config_table);
826 }
827
smu_late_init(void * handle)828 static int smu_late_init(void *handle)
829 {
830 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
831 struct smu_context *smu = adev->powerplay.pp_handle;
832 int ret = 0;
833
834 smu_set_fine_grain_gfx_freq_parameters(smu);
835
836 if (!smu->pm_enabled)
837 return 0;
838
839 ret = smu_post_init(smu);
840 if (ret) {
841 dev_err(adev->dev, "Failed to post smu init!\n");
842 return ret;
843 }
844
845 /*
846 * Explicitly notify PMFW the power mode the system in. Since
847 * the PMFW may boot the ASIC with a different mode.
848 * For those supporting ACDC switch via gpio, PMFW will
849 * handle the switch automatically. Driver involvement
850 * is unnecessary.
851 */
852 adev->pm.ac_power = power_supply_is_system_supplied() > 0;
853 smu_set_ac_dc(smu);
854
855 if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 1)) ||
856 (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 3)))
857 return 0;
858
859 if (!amdgpu_sriov_vf(adev) || smu->od_enabled) {
860 ret = smu_set_default_od_settings(smu);
861 if (ret) {
862 dev_err(adev->dev, "Failed to setup default OD settings!\n");
863 return ret;
864 }
865 }
866
867 ret = smu_populate_umd_state_clk(smu);
868 if (ret) {
869 dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
870 return ret;
871 }
872
873 ret = smu_get_asic_power_limits(smu,
874 &smu->current_power_limit,
875 &smu->default_power_limit,
876 &smu->max_power_limit,
877 &smu->min_power_limit);
878 if (ret) {
879 dev_err(adev->dev, "Failed to get asic power limits!\n");
880 return ret;
881 }
882
883 if (!amdgpu_sriov_vf(adev))
884 smu_get_unique_id(smu);
885
886 smu_get_fan_parameters(smu);
887
888 smu_handle_task(smu,
889 smu->smu_dpm.dpm_level,
890 AMD_PP_TASK_COMPLETE_INIT);
891
892 ret = smu_apply_default_config_table_settings(smu);
893 if (ret && (ret != -EOPNOTSUPP)) {
894 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n");
895 return ret;
896 }
897
898 smu_restore_dpm_user_profile(smu);
899
900 return 0;
901 }
902
smu_init_fb_allocations(struct smu_context * smu)903 static int smu_init_fb_allocations(struct smu_context *smu)
904 {
905 struct amdgpu_device *adev = smu->adev;
906 struct smu_table_context *smu_table = &smu->smu_table;
907 struct smu_table *tables = smu_table->tables;
908 struct smu_table *driver_table = &(smu_table->driver_table);
909 uint32_t max_table_size = 0;
910 int ret, i;
911
912 /* VRAM allocation for tool table */
913 if (tables[SMU_TABLE_PMSTATUSLOG].size) {
914 ret = amdgpu_bo_create_kernel(adev,
915 tables[SMU_TABLE_PMSTATUSLOG].size,
916 tables[SMU_TABLE_PMSTATUSLOG].align,
917 tables[SMU_TABLE_PMSTATUSLOG].domain,
918 &tables[SMU_TABLE_PMSTATUSLOG].bo,
919 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
920 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
921 if (ret) {
922 dev_err(adev->dev, "VRAM allocation for tool table failed!\n");
923 return ret;
924 }
925 }
926
927 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT;
928 /* VRAM allocation for driver table */
929 for (i = 0; i < SMU_TABLE_COUNT; i++) {
930 if (tables[i].size == 0)
931 continue;
932
933 /* If one of the tables has VRAM domain restriction, keep it in
934 * VRAM
935 */
936 if ((tables[i].domain &
937 (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) ==
938 AMDGPU_GEM_DOMAIN_VRAM)
939 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM;
940
941 if (i == SMU_TABLE_PMSTATUSLOG)
942 continue;
943
944 if (max_table_size < tables[i].size)
945 max_table_size = tables[i].size;
946 }
947
948 driver_table->size = max_table_size;
949 driver_table->align = PAGE_SIZE;
950
951 ret = amdgpu_bo_create_kernel(adev,
952 driver_table->size,
953 driver_table->align,
954 driver_table->domain,
955 &driver_table->bo,
956 &driver_table->mc_address,
957 &driver_table->cpu_addr);
958 if (ret) {
959 dev_err(adev->dev, "VRAM allocation for driver table failed!\n");
960 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
961 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
962 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
963 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
964 }
965
966 return ret;
967 }
968
smu_fini_fb_allocations(struct smu_context * smu)969 static int smu_fini_fb_allocations(struct smu_context *smu)
970 {
971 struct smu_table_context *smu_table = &smu->smu_table;
972 struct smu_table *tables = smu_table->tables;
973 struct smu_table *driver_table = &(smu_table->driver_table);
974
975 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address)
976 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo,
977 &tables[SMU_TABLE_PMSTATUSLOG].mc_address,
978 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr);
979
980 amdgpu_bo_free_kernel(&driver_table->bo,
981 &driver_table->mc_address,
982 &driver_table->cpu_addr);
983
984 return 0;
985 }
986
987 /**
988 * smu_alloc_memory_pool - allocate memory pool in the system memory
989 *
990 * @smu: amdgpu_device pointer
991 *
992 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
993 * and DramLogSetDramAddr can notify it changed.
994 *
995 * Returns 0 on success, error on failure.
996 */
smu_alloc_memory_pool(struct smu_context * smu)997 static int smu_alloc_memory_pool(struct smu_context *smu)
998 {
999 struct amdgpu_device *adev = smu->adev;
1000 struct smu_table_context *smu_table = &smu->smu_table;
1001 struct smu_table *memory_pool = &smu_table->memory_pool;
1002 uint64_t pool_size = smu->pool_size;
1003 int ret = 0;
1004
1005 if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
1006 return ret;
1007
1008 memory_pool->size = pool_size;
1009 memory_pool->align = PAGE_SIZE;
1010 memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
1011
1012 switch (pool_size) {
1013 case SMU_MEMORY_POOL_SIZE_256_MB:
1014 case SMU_MEMORY_POOL_SIZE_512_MB:
1015 case SMU_MEMORY_POOL_SIZE_1_GB:
1016 case SMU_MEMORY_POOL_SIZE_2_GB:
1017 ret = amdgpu_bo_create_kernel(adev,
1018 memory_pool->size,
1019 memory_pool->align,
1020 memory_pool->domain,
1021 &memory_pool->bo,
1022 &memory_pool->mc_address,
1023 &memory_pool->cpu_addr);
1024 if (ret)
1025 dev_err(adev->dev, "VRAM allocation for dramlog failed!\n");
1026 break;
1027 default:
1028 break;
1029 }
1030
1031 return ret;
1032 }
1033
smu_free_memory_pool(struct smu_context * smu)1034 static int smu_free_memory_pool(struct smu_context *smu)
1035 {
1036 struct smu_table_context *smu_table = &smu->smu_table;
1037 struct smu_table *memory_pool = &smu_table->memory_pool;
1038
1039 if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
1040 return 0;
1041
1042 amdgpu_bo_free_kernel(&memory_pool->bo,
1043 &memory_pool->mc_address,
1044 &memory_pool->cpu_addr);
1045
1046 memset(memory_pool, 0, sizeof(struct smu_table));
1047
1048 return 0;
1049 }
1050
smu_alloc_dummy_read_table(struct smu_context * smu)1051 static int smu_alloc_dummy_read_table(struct smu_context *smu)
1052 {
1053 struct smu_table_context *smu_table = &smu->smu_table;
1054 struct smu_table *dummy_read_1_table =
1055 &smu_table->dummy_read_1_table;
1056 struct amdgpu_device *adev = smu->adev;
1057 int ret = 0;
1058
1059 if (!dummy_read_1_table->size)
1060 return 0;
1061
1062 ret = amdgpu_bo_create_kernel(adev,
1063 dummy_read_1_table->size,
1064 dummy_read_1_table->align,
1065 dummy_read_1_table->domain,
1066 &dummy_read_1_table->bo,
1067 &dummy_read_1_table->mc_address,
1068 &dummy_read_1_table->cpu_addr);
1069 if (ret)
1070 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n");
1071
1072 return ret;
1073 }
1074
smu_free_dummy_read_table(struct smu_context * smu)1075 static void smu_free_dummy_read_table(struct smu_context *smu)
1076 {
1077 struct smu_table_context *smu_table = &smu->smu_table;
1078 struct smu_table *dummy_read_1_table =
1079 &smu_table->dummy_read_1_table;
1080
1081
1082 amdgpu_bo_free_kernel(&dummy_read_1_table->bo,
1083 &dummy_read_1_table->mc_address,
1084 &dummy_read_1_table->cpu_addr);
1085
1086 memset(dummy_read_1_table, 0, sizeof(struct smu_table));
1087 }
1088
smu_smc_table_sw_init(struct smu_context * smu)1089 static int smu_smc_table_sw_init(struct smu_context *smu)
1090 {
1091 int ret;
1092
1093 /**
1094 * Create smu_table structure, and init smc tables such as
1095 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
1096 */
1097 ret = smu_init_smc_tables(smu);
1098 if (ret) {
1099 dev_err(smu->adev->dev, "Failed to init smc tables!\n");
1100 return ret;
1101 }
1102
1103 /**
1104 * Create smu_power_context structure, and allocate smu_dpm_context and
1105 * context size to fill the smu_power_context data.
1106 */
1107 ret = smu_init_power(smu);
1108 if (ret) {
1109 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n");
1110 return ret;
1111 }
1112
1113 /*
1114 * allocate vram bos to store smc table contents.
1115 */
1116 ret = smu_init_fb_allocations(smu);
1117 if (ret)
1118 return ret;
1119
1120 ret = smu_alloc_memory_pool(smu);
1121 if (ret)
1122 return ret;
1123
1124 ret = smu_alloc_dummy_read_table(smu);
1125 if (ret)
1126 return ret;
1127
1128 ret = smu_i2c_init(smu);
1129 if (ret)
1130 return ret;
1131
1132 return 0;
1133 }
1134
smu_smc_table_sw_fini(struct smu_context * smu)1135 static int smu_smc_table_sw_fini(struct smu_context *smu)
1136 {
1137 int ret;
1138
1139 smu_i2c_fini(smu);
1140
1141 smu_free_dummy_read_table(smu);
1142
1143 ret = smu_free_memory_pool(smu);
1144 if (ret)
1145 return ret;
1146
1147 ret = smu_fini_fb_allocations(smu);
1148 if (ret)
1149 return ret;
1150
1151 ret = smu_fini_power(smu);
1152 if (ret) {
1153 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n");
1154 return ret;
1155 }
1156
1157 ret = smu_fini_smc_tables(smu);
1158 if (ret) {
1159 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n");
1160 return ret;
1161 }
1162
1163 return 0;
1164 }
1165
smu_throttling_logging_work_fn(struct work_struct * work)1166 static void smu_throttling_logging_work_fn(struct work_struct *work)
1167 {
1168 struct smu_context *smu = container_of(work, struct smu_context,
1169 throttling_logging_work);
1170
1171 smu_log_thermal_throttling(smu);
1172 }
1173
smu_interrupt_work_fn(struct work_struct * work)1174 static void smu_interrupt_work_fn(struct work_struct *work)
1175 {
1176 struct smu_context *smu = container_of(work, struct smu_context,
1177 interrupt_work);
1178
1179 if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work)
1180 smu->ppt_funcs->interrupt_work(smu);
1181 }
1182
smu_swctf_delayed_work_handler(struct work_struct * work)1183 static void smu_swctf_delayed_work_handler(struct work_struct *work)
1184 {
1185 struct smu_context *smu =
1186 container_of(work, struct smu_context, swctf_delayed_work.work);
1187 struct smu_temperature_range *range =
1188 &smu->thermal_range;
1189 struct amdgpu_device *adev = smu->adev;
1190 uint32_t hotspot_tmp, size;
1191
1192 /*
1193 * If the hotspot temperature is confirmed as below SW CTF setting point
1194 * after the delay enforced, nothing will be done.
1195 * Otherwise, a graceful shutdown will be performed to prevent further damage.
1196 */
1197 if (range->software_shutdown_temp &&
1198 smu->ppt_funcs->read_sensor &&
1199 !smu->ppt_funcs->read_sensor(smu,
1200 AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
1201 &hotspot_tmp,
1202 &size) &&
1203 hotspot_tmp / 1000 < range->software_shutdown_temp)
1204 return;
1205
1206 dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
1207 dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
1208 orderly_poweroff(true);
1209 }
1210
smu_init_xgmi_plpd_mode(struct smu_context * smu)1211 static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
1212 {
1213 struct smu_dpm_context *dpm_ctxt = &(smu->smu_dpm);
1214 struct smu_dpm_policy_ctxt *policy_ctxt;
1215 struct smu_dpm_policy *policy;
1216
1217 policy = smu_get_pm_policy(smu, PP_PM_POLICY_XGMI_PLPD);
1218 if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
1219 if (policy)
1220 policy->current_level = XGMI_PLPD_DEFAULT;
1221 return;
1222 }
1223
1224 /* PMFW put PLPD into default policy after enabling the feature */
1225 if (smu_feature_is_enabled(smu,
1226 SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT)) {
1227 if (policy)
1228 policy->current_level = XGMI_PLPD_DEFAULT;
1229 } else {
1230 policy_ctxt = dpm_ctxt->dpm_policies;
1231 if (policy_ctxt)
1232 policy_ctxt->policy_mask &=
1233 ~BIT(PP_PM_POLICY_XGMI_PLPD);
1234 }
1235 }
1236
smu_is_workload_profile_available(struct smu_context * smu,u32 profile)1237 static bool smu_is_workload_profile_available(struct smu_context *smu,
1238 u32 profile)
1239 {
1240 if (profile >= PP_SMC_POWER_PROFILE_COUNT)
1241 return false;
1242 return smu->workload_map && smu->workload_map[profile].valid_mapping;
1243 }
1244
smu_sw_init(void * handle)1245 static int smu_sw_init(void *handle)
1246 {
1247 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1248 struct smu_context *smu = adev->powerplay.pp_handle;
1249 int ret;
1250
1251 smu->pool_size = adev->pm.smu_prv_buffer_size;
1252 smu->smu_feature.feature_num = SMU_FEATURE_MAX;
1253 bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
1254 bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
1255
1256 INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
1257 INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn);
1258 atomic64_set(&smu->throttle_int_counter, 0);
1259 smu->watermarks_bitmap = 0;
1260 smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1261 smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1262
1263 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1264 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1265 atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1266 atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1267
1268 smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1269 smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1270 smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1271 smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1272 smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
1273 smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1274 smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1275
1276 if (smu->is_apu ||
1277 !smu_is_workload_profile_available(smu, PP_SMC_POWER_PROFILE_FULLSCREEN3D))
1278 smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1279 else
1280 smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D];
1281
1282 smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1283 smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1284 smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1285 smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1286 smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1287 smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1288 smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1289 smu->display_config = &adev->pm.pm_display_cfg;
1290
1291 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1292 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1293
1294 INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1295 smu_swctf_delayed_work_handler);
1296
1297 ret = smu_smc_table_sw_init(smu);
1298 if (ret) {
1299 dev_err(adev->dev, "Failed to sw init smc table!\n");
1300 return ret;
1301 }
1302
1303 /* get boot_values from vbios to set revision, gfxclk, and etc. */
1304 ret = smu_get_vbios_bootup_values(smu);
1305 if (ret) {
1306 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1307 return ret;
1308 }
1309
1310 ret = smu_init_pptable_microcode(smu);
1311 if (ret) {
1312 dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1313 return ret;
1314 }
1315
1316 ret = smu_register_irq_handler(smu);
1317 if (ret) {
1318 dev_err(adev->dev, "Failed to register smc irq handler!\n");
1319 return ret;
1320 }
1321
1322 /* If there is no way to query fan control mode, fan control is not supported */
1323 if (!smu->ppt_funcs->get_fan_control_mode)
1324 smu->adev->pm.no_fan = true;
1325
1326 return 0;
1327 }
1328
smu_sw_fini(void * handle)1329 static int smu_sw_fini(void *handle)
1330 {
1331 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1332 struct smu_context *smu = adev->powerplay.pp_handle;
1333 int ret;
1334
1335 ret = smu_smc_table_sw_fini(smu);
1336 if (ret) {
1337 dev_err(adev->dev, "Failed to sw fini smc table!\n");
1338 return ret;
1339 }
1340
1341 smu_fini_microcode(smu);
1342
1343 return 0;
1344 }
1345
smu_get_thermal_temperature_range(struct smu_context * smu)1346 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1347 {
1348 struct amdgpu_device *adev = smu->adev;
1349 struct smu_temperature_range *range =
1350 &smu->thermal_range;
1351 int ret = 0;
1352
1353 if (!smu->ppt_funcs->get_thermal_temperature_range)
1354 return 0;
1355
1356 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1357 if (ret)
1358 return ret;
1359
1360 adev->pm.dpm.thermal.min_temp = range->min;
1361 adev->pm.dpm.thermal.max_temp = range->max;
1362 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1363 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1364 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1365 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1366 adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1367 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1368 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1369
1370 return ret;
1371 }
1372
1373 /**
1374 * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1375 *
1376 * @smu: smu_context pointer
1377 *
1378 * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1379 * Returns 0 on success, error on failure.
1380 */
smu_wbrf_handle_exclusion_ranges(struct smu_context * smu)1381 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1382 {
1383 struct wbrf_ranges_in_out wbrf_exclusion = {0};
1384 struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1385 struct amdgpu_device *adev = smu->adev;
1386 uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1387 uint64_t start, end;
1388 int ret, i, j;
1389
1390 ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1391 if (ret) {
1392 dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1393 return ret;
1394 }
1395
1396 /*
1397 * The exclusion ranges array we got might be filled with holes and duplicate
1398 * entries. For example:
1399 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1400 * We need to do some sortups to eliminate those holes and duplicate entries.
1401 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1402 */
1403 for (i = 0; i < num_of_wbrf_ranges; i++) {
1404 start = wifi_bands[i].start;
1405 end = wifi_bands[i].end;
1406
1407 /* get the last valid entry to fill the intermediate hole */
1408 if (!start && !end) {
1409 for (j = num_of_wbrf_ranges - 1; j > i; j--)
1410 if (wifi_bands[j].start && wifi_bands[j].end)
1411 break;
1412
1413 /* no valid entry left */
1414 if (j <= i)
1415 break;
1416
1417 start = wifi_bands[i].start = wifi_bands[j].start;
1418 end = wifi_bands[i].end = wifi_bands[j].end;
1419 wifi_bands[j].start = 0;
1420 wifi_bands[j].end = 0;
1421 num_of_wbrf_ranges = j;
1422 }
1423
1424 /* eliminate duplicate entries */
1425 for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1426 if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1427 wifi_bands[j].start = 0;
1428 wifi_bands[j].end = 0;
1429 }
1430 }
1431 }
1432
1433 /* Send the sorted wifi_bands to PMFW */
1434 ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1435 /* Try to set the wifi_bands again */
1436 if (unlikely(ret == -EBUSY)) {
1437 mdelay(5);
1438 ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1439 }
1440
1441 return ret;
1442 }
1443
1444 /**
1445 * smu_wbrf_event_handler - handle notify events
1446 *
1447 * @nb: notifier block
1448 * @action: event type
1449 * @_arg: event data
1450 *
1451 * Calls relevant amdgpu function in response to wbrf event
1452 * notification from kernel.
1453 */
smu_wbrf_event_handler(struct notifier_block * nb,unsigned long action,void * _arg)1454 static int smu_wbrf_event_handler(struct notifier_block *nb,
1455 unsigned long action, void *_arg)
1456 {
1457 struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1458
1459 switch (action) {
1460 case WBRF_CHANGED:
1461 schedule_delayed_work(&smu->wbrf_delayed_work,
1462 msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1463 break;
1464 default:
1465 return NOTIFY_DONE;
1466 }
1467
1468 return NOTIFY_OK;
1469 }
1470
1471 /**
1472 * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1473 *
1474 * @work: struct work_struct pointer
1475 *
1476 * Flood is over and driver will consume the latest exclusion ranges.
1477 */
smu_wbrf_delayed_work_handler(struct work_struct * work)1478 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1479 {
1480 struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1481
1482 smu_wbrf_handle_exclusion_ranges(smu);
1483 }
1484
1485 /**
1486 * smu_wbrf_support_check - check wbrf support
1487 *
1488 * @smu: smu_context pointer
1489 *
1490 * Verifies the ACPI interface whether wbrf is supported.
1491 */
smu_wbrf_support_check(struct smu_context * smu)1492 static void smu_wbrf_support_check(struct smu_context *smu)
1493 {
1494 struct amdgpu_device *adev = smu->adev;
1495
1496 smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1497 acpi_amd_wbrf_supported_consumer(adev->dev);
1498
1499 if (smu->wbrf_supported)
1500 dev_info(adev->dev, "RF interference mitigation is supported\n");
1501 }
1502
1503 /**
1504 * smu_wbrf_init - init driver wbrf support
1505 *
1506 * @smu: smu_context pointer
1507 *
1508 * Verifies the AMD ACPI interfaces and registers with the wbrf
1509 * notifier chain if wbrf feature is supported.
1510 * Returns 0 on success, error on failure.
1511 */
smu_wbrf_init(struct smu_context * smu)1512 static int smu_wbrf_init(struct smu_context *smu)
1513 {
1514 int ret;
1515
1516 if (!smu->wbrf_supported)
1517 return 0;
1518
1519 INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1520
1521 smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1522 ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1523 if (ret)
1524 return ret;
1525
1526 /*
1527 * Some wifiband exclusion ranges may be already there
1528 * before our driver loaded. To make sure our driver
1529 * is awared of those exclusion ranges.
1530 */
1531 schedule_delayed_work(&smu->wbrf_delayed_work,
1532 msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1533
1534 return 0;
1535 }
1536
1537 /**
1538 * smu_wbrf_fini - tear down driver wbrf support
1539 *
1540 * @smu: smu_context pointer
1541 *
1542 * Unregisters with the wbrf notifier chain.
1543 */
smu_wbrf_fini(struct smu_context * smu)1544 static void smu_wbrf_fini(struct smu_context *smu)
1545 {
1546 if (!smu->wbrf_supported)
1547 return;
1548
1549 amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1550
1551 cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1552 }
1553
smu_smc_hw_setup(struct smu_context * smu)1554 static int smu_smc_hw_setup(struct smu_context *smu)
1555 {
1556 struct smu_feature *feature = &smu->smu_feature;
1557 struct amdgpu_device *adev = smu->adev;
1558 uint8_t pcie_gen = 0, pcie_width = 0;
1559 uint64_t features_supported;
1560 int ret = 0;
1561
1562 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1563 case IP_VERSION(11, 0, 7):
1564 case IP_VERSION(11, 0, 11):
1565 case IP_VERSION(11, 5, 0):
1566 case IP_VERSION(11, 0, 12):
1567 if (adev->in_suspend && smu_is_dpm_running(smu)) {
1568 dev_info(adev->dev, "dpm has been enabled\n");
1569 ret = smu_system_features_control(smu, true);
1570 if (ret)
1571 dev_err(adev->dev, "Failed system features control!\n");
1572 return ret;
1573 }
1574 break;
1575 default:
1576 break;
1577 }
1578
1579 ret = smu_init_display_count(smu, 0);
1580 if (ret) {
1581 dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1582 return ret;
1583 }
1584
1585 ret = smu_set_driver_table_location(smu);
1586 if (ret) {
1587 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1588 return ret;
1589 }
1590
1591 /*
1592 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1593 */
1594 ret = smu_set_tool_table_location(smu);
1595 if (ret) {
1596 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1597 return ret;
1598 }
1599
1600 /*
1601 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1602 * pool location.
1603 */
1604 ret = smu_notify_memory_pool_location(smu);
1605 if (ret) {
1606 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1607 return ret;
1608 }
1609
1610 /*
1611 * It is assumed the pptable used before runpm is same as
1612 * the one used afterwards. Thus, we can reuse the stored
1613 * copy and do not need to resetup the pptable again.
1614 */
1615 if (!adev->in_runpm) {
1616 ret = smu_setup_pptable(smu);
1617 if (ret) {
1618 dev_err(adev->dev, "Failed to setup pptable!\n");
1619 return ret;
1620 }
1621 }
1622
1623 /* smu_dump_pptable(smu); */
1624
1625 /*
1626 * With SCPM enabled, PSP is responsible for the PPTable transferring
1627 * (to SMU). Driver involvement is not needed and permitted.
1628 */
1629 if (!adev->scpm_enabled) {
1630 /*
1631 * Copy pptable bo in the vram to smc with SMU MSGs such as
1632 * SetDriverDramAddr and TransferTableDram2Smu.
1633 */
1634 ret = smu_write_pptable(smu);
1635 if (ret) {
1636 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1637 return ret;
1638 }
1639 }
1640
1641 /* issue Run*Btc msg */
1642 ret = smu_run_btc(smu);
1643 if (ret)
1644 return ret;
1645
1646 /* Enable UclkShadow on wbrf supported */
1647 if (smu->wbrf_supported) {
1648 ret = smu_enable_uclk_shadow(smu, true);
1649 if (ret) {
1650 dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1651 return ret;
1652 }
1653 }
1654
1655 /*
1656 * With SCPM enabled, these actions(and relevant messages) are
1657 * not needed and permitted.
1658 */
1659 if (!adev->scpm_enabled) {
1660 ret = smu_feature_set_allowed_mask(smu);
1661 if (ret) {
1662 dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1663 return ret;
1664 }
1665 }
1666
1667 ret = smu_system_features_control(smu, true);
1668 if (ret) {
1669 dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1670 return ret;
1671 }
1672
1673 smu_init_xgmi_plpd_mode(smu);
1674
1675 ret = smu_feature_get_enabled_mask(smu, &features_supported);
1676 if (ret) {
1677 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1678 return ret;
1679 }
1680 bitmap_copy(feature->supported,
1681 (unsigned long *)&features_supported,
1682 feature->feature_num);
1683
1684 if (!smu_is_dpm_running(smu))
1685 dev_info(adev->dev, "dpm has been disabled\n");
1686
1687 /*
1688 * Set initialized values (get from vbios) to dpm tables context such as
1689 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1690 * type of clks.
1691 */
1692 ret = smu_set_default_dpm_table(smu);
1693 if (ret) {
1694 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1695 return ret;
1696 }
1697
1698 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1699 pcie_gen = 3;
1700 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1701 pcie_gen = 2;
1702 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1703 pcie_gen = 1;
1704 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1705 pcie_gen = 0;
1706
1707 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1708 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1709 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32
1710 */
1711 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1712 pcie_width = 6;
1713 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1714 pcie_width = 5;
1715 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1716 pcie_width = 4;
1717 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1718 pcie_width = 3;
1719 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1720 pcie_width = 2;
1721 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1722 pcie_width = 1;
1723 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1724 if (ret) {
1725 dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1726 return ret;
1727 }
1728
1729 ret = smu_get_thermal_temperature_range(smu);
1730 if (ret) {
1731 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1732 return ret;
1733 }
1734
1735 ret = smu_enable_thermal_alert(smu);
1736 if (ret) {
1737 dev_err(adev->dev, "Failed to enable thermal alert!\n");
1738 return ret;
1739 }
1740
1741 ret = smu_notify_display_change(smu);
1742 if (ret) {
1743 dev_err(adev->dev, "Failed to notify display change!\n");
1744 return ret;
1745 }
1746
1747 /*
1748 * Set min deep sleep dce fclk with bootup value from vbios via
1749 * SetMinDeepSleepDcefclk MSG.
1750 */
1751 ret = smu_set_min_dcef_deep_sleep(smu,
1752 smu->smu_table.boot_values.dcefclk / 100);
1753 if (ret) {
1754 dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1755 return ret;
1756 }
1757
1758 /* Init wbrf support. Properly setup the notifier */
1759 ret = smu_wbrf_init(smu);
1760 if (ret)
1761 dev_err(adev->dev, "Error during wbrf init call\n");
1762
1763 return ret;
1764 }
1765
smu_start_smc_engine(struct smu_context * smu)1766 static int smu_start_smc_engine(struct smu_context *smu)
1767 {
1768 struct amdgpu_device *adev = smu->adev;
1769 int ret = 0;
1770
1771 smu->smc_fw_state = SMU_FW_INIT;
1772
1773 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1774 if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1775 if (smu->ppt_funcs->load_microcode) {
1776 ret = smu->ppt_funcs->load_microcode(smu);
1777 if (ret)
1778 return ret;
1779 }
1780 }
1781 }
1782
1783 if (smu->ppt_funcs->check_fw_status) {
1784 ret = smu->ppt_funcs->check_fw_status(smu);
1785 if (ret) {
1786 dev_err(adev->dev, "SMC is not ready\n");
1787 return ret;
1788 }
1789 }
1790
1791 /*
1792 * Send msg GetDriverIfVersion to check if the return value is equal
1793 * with DRIVER_IF_VERSION of smc header.
1794 */
1795 ret = smu_check_fw_version(smu);
1796 if (ret)
1797 return ret;
1798
1799 return ret;
1800 }
1801
smu_hw_init(void * handle)1802 static int smu_hw_init(void *handle)
1803 {
1804 int ret;
1805 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1806 struct smu_context *smu = adev->powerplay.pp_handle;
1807
1808 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1809 smu->pm_enabled = false;
1810 return 0;
1811 }
1812
1813 ret = smu_start_smc_engine(smu);
1814 if (ret) {
1815 dev_err(adev->dev, "SMC engine is not correctly up!\n");
1816 return ret;
1817 }
1818
1819 /*
1820 * Check whether wbrf is supported. This needs to be done
1821 * before SMU setup starts since part of SMU configuration
1822 * relies on this.
1823 */
1824 smu_wbrf_support_check(smu);
1825
1826 if (smu->is_apu) {
1827 ret = smu_set_gfx_imu_enable(smu);
1828 if (ret)
1829 return ret;
1830 smu_dpm_set_vcn_enable(smu, true);
1831 smu_dpm_set_jpeg_enable(smu, true);
1832 smu_dpm_set_vpe_enable(smu, true);
1833 smu_dpm_set_umsch_mm_enable(smu, true);
1834 smu_set_mall_enable(smu);
1835 smu_set_gfx_cgpg(smu, true);
1836 }
1837
1838 if (!smu->pm_enabled)
1839 return 0;
1840
1841 ret = smu_get_driver_allowed_feature_mask(smu);
1842 if (ret)
1843 return ret;
1844
1845 ret = smu_smc_hw_setup(smu);
1846 if (ret) {
1847 dev_err(adev->dev, "Failed to setup smc hw!\n");
1848 return ret;
1849 }
1850
1851 /*
1852 * Move maximum sustainable clock retrieving here considering
1853 * 1. It is not needed on resume(from S3).
1854 * 2. DAL settings come between .hw_init and .late_init of SMU.
1855 * And DAL needs to know the maximum sustainable clocks. Thus
1856 * it cannot be put in .late_init().
1857 */
1858 ret = smu_init_max_sustainable_clocks(smu);
1859 if (ret) {
1860 dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1861 return ret;
1862 }
1863
1864 adev->pm.dpm_enabled = true;
1865
1866 dev_info(adev->dev, "SMU is initialized successfully!\n");
1867
1868 return 0;
1869 }
1870
smu_disable_dpms(struct smu_context * smu)1871 static int smu_disable_dpms(struct smu_context *smu)
1872 {
1873 struct amdgpu_device *adev = smu->adev;
1874 int ret = 0;
1875 bool use_baco = !smu->is_apu &&
1876 ((amdgpu_in_reset(adev) &&
1877 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1878 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1879
1880 /*
1881 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1882 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1883 */
1884 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1885 case IP_VERSION(13, 0, 0):
1886 case IP_VERSION(13, 0, 7):
1887 case IP_VERSION(13, 0, 10):
1888 case IP_VERSION(14, 0, 2):
1889 case IP_VERSION(14, 0, 3):
1890 return 0;
1891 default:
1892 break;
1893 }
1894
1895 /*
1896 * For custom pptable uploading, skip the DPM features
1897 * disable process on Navi1x ASICs.
1898 * - As the gfx related features are under control of
1899 * RLC on those ASICs. RLC reinitialization will be
1900 * needed to reenable them. That will cost much more
1901 * efforts.
1902 *
1903 * - SMU firmware can handle the DPM reenablement
1904 * properly.
1905 */
1906 if (smu->uploading_custom_pp_table) {
1907 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1908 case IP_VERSION(11, 0, 0):
1909 case IP_VERSION(11, 0, 5):
1910 case IP_VERSION(11, 0, 9):
1911 case IP_VERSION(11, 0, 7):
1912 case IP_VERSION(11, 0, 11):
1913 case IP_VERSION(11, 5, 0):
1914 case IP_VERSION(11, 0, 12):
1915 case IP_VERSION(11, 0, 13):
1916 return 0;
1917 default:
1918 break;
1919 }
1920 }
1921
1922 /*
1923 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1924 * on BACO in. Driver involvement is unnecessary.
1925 */
1926 if (use_baco) {
1927 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1928 case IP_VERSION(11, 0, 7):
1929 case IP_VERSION(11, 0, 0):
1930 case IP_VERSION(11, 0, 5):
1931 case IP_VERSION(11, 0, 9):
1932 case IP_VERSION(13, 0, 7):
1933 return 0;
1934 default:
1935 break;
1936 }
1937 }
1938
1939 /*
1940 * For GFX11 and subsequent APUs, PMFW will handle the features disablement properly
1941 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1942 */
1943 if (IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) >= 11 &&
1944 smu->is_apu && (amdgpu_in_reset(adev) || adev->in_s0ix))
1945 return 0;
1946
1947 /*
1948 * For gpu reset, runpm and hibernation through BACO,
1949 * BACO feature has to be kept enabled.
1950 */
1951 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1952 ret = smu_disable_all_features_with_exception(smu,
1953 SMU_FEATURE_BACO_BIT);
1954 if (ret)
1955 dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1956 } else {
1957 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1958 if (!adev->scpm_enabled) {
1959 ret = smu_system_features_control(smu, false);
1960 if (ret)
1961 dev_err(adev->dev, "Failed to disable smu features.\n");
1962 }
1963 }
1964
1965 /* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
1966 * otherwise SMU will hang while interacting with RLC if RLC is halted
1967 * this is a WA for Vangogh asic which fix the SMU hang issue.
1968 */
1969 ret = smu_notify_rlc_state(smu, false);
1970 if (ret) {
1971 dev_err(adev->dev, "Fail to notify rlc status!\n");
1972 return ret;
1973 }
1974
1975 if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
1976 !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
1977 !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1978 adev->gfx.rlc.funcs->stop(adev);
1979
1980 return ret;
1981 }
1982
smu_smc_hw_cleanup(struct smu_context * smu)1983 static int smu_smc_hw_cleanup(struct smu_context *smu)
1984 {
1985 struct amdgpu_device *adev = smu->adev;
1986 int ret = 0;
1987
1988 smu_wbrf_fini(smu);
1989
1990 cancel_work_sync(&smu->throttling_logging_work);
1991 cancel_work_sync(&smu->interrupt_work);
1992
1993 ret = smu_disable_thermal_alert(smu);
1994 if (ret) {
1995 dev_err(adev->dev, "Fail to disable thermal alert!\n");
1996 return ret;
1997 }
1998
1999 cancel_delayed_work_sync(&smu->swctf_delayed_work);
2000
2001 ret = smu_disable_dpms(smu);
2002 if (ret) {
2003 dev_err(adev->dev, "Fail to disable dpm features!\n");
2004 return ret;
2005 }
2006
2007 return 0;
2008 }
2009
smu_reset_mp1_state(struct smu_context * smu)2010 static int smu_reset_mp1_state(struct smu_context *smu)
2011 {
2012 struct amdgpu_device *adev = smu->adev;
2013 int ret = 0;
2014
2015 if ((!adev->in_runpm) && (!adev->in_suspend) &&
2016 (!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
2017 IP_VERSION(13, 0, 10) &&
2018 !amdgpu_device_has_display_hardware(adev))
2019 ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
2020
2021 return ret;
2022 }
2023
smu_hw_fini(void * handle)2024 static int smu_hw_fini(void *handle)
2025 {
2026 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2027 struct smu_context *smu = adev->powerplay.pp_handle;
2028 int ret;
2029
2030 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2031 return 0;
2032
2033 smu_dpm_set_vcn_enable(smu, false);
2034 smu_dpm_set_jpeg_enable(smu, false);
2035 smu_dpm_set_vpe_enable(smu, false);
2036 smu_dpm_set_umsch_mm_enable(smu, false);
2037
2038 adev->vcn.cur_state = AMD_PG_STATE_GATE;
2039 adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2040
2041 if (!smu->pm_enabled)
2042 return 0;
2043
2044 adev->pm.dpm_enabled = false;
2045
2046 ret = smu_smc_hw_cleanup(smu);
2047 if (ret)
2048 return ret;
2049
2050 ret = smu_reset_mp1_state(smu);
2051 if (ret)
2052 return ret;
2053
2054 return 0;
2055 }
2056
smu_late_fini(void * handle)2057 static void smu_late_fini(void *handle)
2058 {
2059 struct amdgpu_device *adev = handle;
2060 struct smu_context *smu = adev->powerplay.pp_handle;
2061
2062 kfree(smu);
2063 }
2064
smu_reset(struct smu_context * smu)2065 static int smu_reset(struct smu_context *smu)
2066 {
2067 struct amdgpu_device *adev = smu->adev;
2068 int ret;
2069
2070 ret = smu_hw_fini(adev);
2071 if (ret)
2072 return ret;
2073
2074 ret = smu_hw_init(adev);
2075 if (ret)
2076 return ret;
2077
2078 ret = smu_late_init(adev);
2079 if (ret)
2080 return ret;
2081
2082 return 0;
2083 }
2084
smu_suspend(void * handle)2085 static int smu_suspend(void *handle)
2086 {
2087 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2088 struct smu_context *smu = adev->powerplay.pp_handle;
2089 int ret;
2090 uint64_t count;
2091
2092 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2093 return 0;
2094
2095 if (!smu->pm_enabled)
2096 return 0;
2097
2098 adev->pm.dpm_enabled = false;
2099
2100 ret = smu_smc_hw_cleanup(smu);
2101 if (ret)
2102 return ret;
2103
2104 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2105
2106 smu_set_gfx_cgpg(smu, false);
2107
2108 /*
2109 * pwfw resets entrycount when device is suspended, so we save the
2110 * last value to be used when we resume to keep it consistent
2111 */
2112 ret = smu_get_entrycount_gfxoff(smu, &count);
2113 if (!ret)
2114 adev->gfx.gfx_off_entrycount = count;
2115
2116 return 0;
2117 }
2118
smu_resume(void * handle)2119 static int smu_resume(void *handle)
2120 {
2121 int ret;
2122 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2123 struct smu_context *smu = adev->powerplay.pp_handle;
2124
2125 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
2126 return 0;
2127
2128 if (!smu->pm_enabled)
2129 return 0;
2130
2131 dev_info(adev->dev, "SMU is resuming...\n");
2132
2133 ret = smu_start_smc_engine(smu);
2134 if (ret) {
2135 dev_err(adev->dev, "SMC engine is not correctly up!\n");
2136 return ret;
2137 }
2138
2139 ret = smu_smc_hw_setup(smu);
2140 if (ret) {
2141 dev_err(adev->dev, "Failed to setup smc hw!\n");
2142 return ret;
2143 }
2144
2145 ret = smu_set_gfx_imu_enable(smu);
2146 if (ret)
2147 return ret;
2148
2149 smu_set_gfx_cgpg(smu, true);
2150
2151 smu->disable_uclk_switch = 0;
2152
2153 adev->pm.dpm_enabled = true;
2154
2155 dev_info(adev->dev, "SMU is resumed successfully!\n");
2156
2157 return 0;
2158 }
2159
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)2160 static int smu_display_configuration_change(void *handle,
2161 const struct amd_pp_display_configuration *display_config)
2162 {
2163 struct smu_context *smu = handle;
2164
2165 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2166 return -EOPNOTSUPP;
2167
2168 if (!display_config)
2169 return -EINVAL;
2170
2171 smu_set_min_dcef_deep_sleep(smu,
2172 display_config->min_dcef_deep_sleep_set_clk / 100);
2173
2174 return 0;
2175 }
2176
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)2177 static int smu_set_clockgating_state(void *handle,
2178 enum amd_clockgating_state state)
2179 {
2180 return 0;
2181 }
2182
smu_set_powergating_state(void * handle,enum amd_powergating_state state)2183 static int smu_set_powergating_state(void *handle,
2184 enum amd_powergating_state state)
2185 {
2186 return 0;
2187 }
2188
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)2189 static int smu_enable_umd_pstate(void *handle,
2190 enum amd_dpm_forced_level *level)
2191 {
2192 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2193 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2194 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2195 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2196
2197 struct smu_context *smu = (struct smu_context*)(handle);
2198 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2199
2200 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2201 return -EINVAL;
2202
2203 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2204 /* enter umd pstate, save current level, disable gfx cg*/
2205 if (*level & profile_mode_mask) {
2206 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2207 smu_gpo_control(smu, false);
2208 smu_gfx_ulv_control(smu, false);
2209 smu_deep_sleep_control(smu, false);
2210 amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2211 }
2212 } else {
2213 /* exit umd pstate, restore level, enable gfx cg*/
2214 if (!(*level & profile_mode_mask)) {
2215 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2216 *level = smu_dpm_ctx->saved_dpm_level;
2217 amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2218 smu_deep_sleep_control(smu, true);
2219 smu_gfx_ulv_control(smu, true);
2220 smu_gpo_control(smu, true);
2221 }
2222 }
2223
2224 return 0;
2225 }
2226
smu_bump_power_profile_mode(struct smu_context * smu,long * param,uint32_t param_size)2227 static int smu_bump_power_profile_mode(struct smu_context *smu,
2228 long *param,
2229 uint32_t param_size)
2230 {
2231 int ret = 0;
2232
2233 if (smu->ppt_funcs->set_power_profile_mode)
2234 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
2235
2236 return ret;
2237 }
2238
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings,bool init)2239 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2240 enum amd_dpm_forced_level level,
2241 bool skip_display_settings,
2242 bool init)
2243 {
2244 int ret = 0;
2245 int index = 0;
2246 long workload[1];
2247 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2248
2249 if (!skip_display_settings) {
2250 ret = smu_display_config_changed(smu);
2251 if (ret) {
2252 dev_err(smu->adev->dev, "Failed to change display config!");
2253 return ret;
2254 }
2255 }
2256
2257 ret = smu_apply_clocks_adjust_rules(smu);
2258 if (ret) {
2259 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2260 return ret;
2261 }
2262
2263 if (!skip_display_settings) {
2264 ret = smu_notify_smc_display_config(smu);
2265 if (ret) {
2266 dev_err(smu->adev->dev, "Failed to notify smc display config!");
2267 return ret;
2268 }
2269 }
2270
2271 if (smu_dpm_ctx->dpm_level != level) {
2272 ret = smu_asic_set_performance_level(smu, level);
2273 if (ret) {
2274 dev_err(smu->adev->dev, "Failed to set performance level!");
2275 return ret;
2276 }
2277
2278 /* update the saved copy */
2279 smu_dpm_ctx->dpm_level = level;
2280 }
2281
2282 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2283 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2284 index = fls(smu->workload_mask);
2285 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2286 workload[0] = smu->workload_setting[index];
2287
2288 if (init || smu->power_profile_mode != workload[0])
2289 smu_bump_power_profile_mode(smu, workload, 0);
2290 }
2291
2292 return ret;
2293 }
2294
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)2295 static int smu_handle_task(struct smu_context *smu,
2296 enum amd_dpm_forced_level level,
2297 enum amd_pp_task task_id)
2298 {
2299 int ret = 0;
2300
2301 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2302 return -EOPNOTSUPP;
2303
2304 switch (task_id) {
2305 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2306 ret = smu_pre_display_config_changed(smu);
2307 if (ret)
2308 return ret;
2309 ret = smu_adjust_power_state_dynamic(smu, level, false, false);
2310 break;
2311 case AMD_PP_TASK_COMPLETE_INIT:
2312 ret = smu_adjust_power_state_dynamic(smu, level, true, true);
2313 break;
2314 case AMD_PP_TASK_READJUST_POWER_STATE:
2315 ret = smu_adjust_power_state_dynamic(smu, level, true, false);
2316 break;
2317 default:
2318 break;
2319 }
2320
2321 return ret;
2322 }
2323
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)2324 static int smu_handle_dpm_task(void *handle,
2325 enum amd_pp_task task_id,
2326 enum amd_pm_state_type *user_state)
2327 {
2328 struct smu_context *smu = handle;
2329 struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2330
2331 return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2332
2333 }
2334
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool en)2335 static int smu_switch_power_profile(void *handle,
2336 enum PP_SMC_POWER_PROFILE type,
2337 bool en)
2338 {
2339 struct smu_context *smu = handle;
2340 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2341 long workload[1];
2342 uint32_t index;
2343
2344 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2345 return -EOPNOTSUPP;
2346
2347 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2348 return -EINVAL;
2349
2350 if (!en) {
2351 smu->workload_mask &= ~(1 << smu->workload_prority[type]);
2352 index = fls(smu->workload_mask);
2353 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2354 workload[0] = smu->workload_setting[index];
2355 } else {
2356 smu->workload_mask |= (1 << smu->workload_prority[type]);
2357 index = fls(smu->workload_mask);
2358 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2359 workload[0] = smu->workload_setting[index];
2360 }
2361
2362 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2363 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2364 smu_bump_power_profile_mode(smu, workload, 0);
2365
2366 return 0;
2367 }
2368
smu_get_performance_level(void * handle)2369 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2370 {
2371 struct smu_context *smu = handle;
2372 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2373
2374 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2375 return -EOPNOTSUPP;
2376
2377 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2378 return -EINVAL;
2379
2380 return smu_dpm_ctx->dpm_level;
2381 }
2382
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)2383 static int smu_force_performance_level(void *handle,
2384 enum amd_dpm_forced_level level)
2385 {
2386 struct smu_context *smu = handle;
2387 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2388 int ret = 0;
2389
2390 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2391 return -EOPNOTSUPP;
2392
2393 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2394 return -EINVAL;
2395
2396 ret = smu_enable_umd_pstate(smu, &level);
2397 if (ret)
2398 return ret;
2399
2400 ret = smu_handle_task(smu, level,
2401 AMD_PP_TASK_READJUST_POWER_STATE);
2402
2403 /* reset user dpm clock state */
2404 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2405 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2406 smu->user_dpm_profile.clk_dependency = 0;
2407 }
2408
2409 return ret;
2410 }
2411
smu_set_display_count(void * handle,uint32_t count)2412 static int smu_set_display_count(void *handle, uint32_t count)
2413 {
2414 struct smu_context *smu = handle;
2415
2416 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2417 return -EOPNOTSUPP;
2418
2419 return smu_init_display_count(smu, count);
2420 }
2421
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2422 static int smu_force_smuclk_levels(struct smu_context *smu,
2423 enum smu_clk_type clk_type,
2424 uint32_t mask)
2425 {
2426 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2427 int ret = 0;
2428
2429 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2430 return -EOPNOTSUPP;
2431
2432 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2433 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2434 return -EINVAL;
2435 }
2436
2437 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2438 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2439 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2440 smu->user_dpm_profile.clk_mask[clk_type] = mask;
2441 smu_set_user_clk_dependencies(smu, clk_type);
2442 }
2443 }
2444
2445 return ret;
2446 }
2447
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2448 static int smu_force_ppclk_levels(void *handle,
2449 enum pp_clock_type type,
2450 uint32_t mask)
2451 {
2452 struct smu_context *smu = handle;
2453 enum smu_clk_type clk_type;
2454
2455 switch (type) {
2456 case PP_SCLK:
2457 clk_type = SMU_SCLK; break;
2458 case PP_MCLK:
2459 clk_type = SMU_MCLK; break;
2460 case PP_PCIE:
2461 clk_type = SMU_PCIE; break;
2462 case PP_SOCCLK:
2463 clk_type = SMU_SOCCLK; break;
2464 case PP_FCLK:
2465 clk_type = SMU_FCLK; break;
2466 case PP_DCEFCLK:
2467 clk_type = SMU_DCEFCLK; break;
2468 case PP_VCLK:
2469 clk_type = SMU_VCLK; break;
2470 case PP_VCLK1:
2471 clk_type = SMU_VCLK1; break;
2472 case PP_DCLK:
2473 clk_type = SMU_DCLK; break;
2474 case PP_DCLK1:
2475 clk_type = SMU_DCLK1; break;
2476 case OD_SCLK:
2477 clk_type = SMU_OD_SCLK; break;
2478 case OD_MCLK:
2479 clk_type = SMU_OD_MCLK; break;
2480 case OD_VDDC_CURVE:
2481 clk_type = SMU_OD_VDDC_CURVE; break;
2482 case OD_RANGE:
2483 clk_type = SMU_OD_RANGE; break;
2484 default:
2485 return -EINVAL;
2486 }
2487
2488 return smu_force_smuclk_levels(smu, clk_type, mask);
2489 }
2490
2491 /*
2492 * On system suspending or resetting, the dpm_enabled
2493 * flag will be cleared. So that those SMU services which
2494 * are not supported will be gated.
2495 * However, the mp1 state setting should still be granted
2496 * even if the dpm_enabled cleared.
2497 */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2498 static int smu_set_mp1_state(void *handle,
2499 enum pp_mp1_state mp1_state)
2500 {
2501 struct smu_context *smu = handle;
2502 int ret = 0;
2503
2504 if (!smu->pm_enabled)
2505 return -EOPNOTSUPP;
2506
2507 if (smu->ppt_funcs &&
2508 smu->ppt_funcs->set_mp1_state)
2509 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2510
2511 return ret;
2512 }
2513
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2514 static int smu_set_df_cstate(void *handle,
2515 enum pp_df_cstate state)
2516 {
2517 struct smu_context *smu = handle;
2518 int ret = 0;
2519
2520 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2521 return -EOPNOTSUPP;
2522
2523 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2524 return 0;
2525
2526 ret = smu->ppt_funcs->set_df_cstate(smu, state);
2527 if (ret)
2528 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2529
2530 return ret;
2531 }
2532
smu_write_watermarks_table(struct smu_context * smu)2533 int smu_write_watermarks_table(struct smu_context *smu)
2534 {
2535 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2536 return -EOPNOTSUPP;
2537
2538 return smu_set_watermarks_table(smu, NULL);
2539 }
2540
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2541 static int smu_set_watermarks_for_clock_ranges(void *handle,
2542 struct pp_smu_wm_range_sets *clock_ranges)
2543 {
2544 struct smu_context *smu = handle;
2545
2546 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2547 return -EOPNOTSUPP;
2548
2549 if (smu->disable_watermark)
2550 return 0;
2551
2552 return smu_set_watermarks_table(smu, clock_ranges);
2553 }
2554
smu_set_ac_dc(struct smu_context * smu)2555 int smu_set_ac_dc(struct smu_context *smu)
2556 {
2557 int ret = 0;
2558
2559 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2560 return -EOPNOTSUPP;
2561
2562 /* controlled by firmware */
2563 if (smu->dc_controlled_by_gpio)
2564 return 0;
2565
2566 ret = smu_set_power_source(smu,
2567 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2568 SMU_POWER_SOURCE_DC);
2569 if (ret)
2570 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2571 smu->adev->pm.ac_power ? "AC" : "DC");
2572
2573 return ret;
2574 }
2575
2576 const struct amd_ip_funcs smu_ip_funcs = {
2577 .name = "smu",
2578 .early_init = smu_early_init,
2579 .late_init = smu_late_init,
2580 .sw_init = smu_sw_init,
2581 .sw_fini = smu_sw_fini,
2582 .hw_init = smu_hw_init,
2583 .hw_fini = smu_hw_fini,
2584 .late_fini = smu_late_fini,
2585 .suspend = smu_suspend,
2586 .resume = smu_resume,
2587 .is_idle = NULL,
2588 .check_soft_reset = NULL,
2589 .wait_for_idle = NULL,
2590 .soft_reset = NULL,
2591 .set_clockgating_state = smu_set_clockgating_state,
2592 .set_powergating_state = smu_set_powergating_state,
2593 };
2594
2595 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2596 .type = AMD_IP_BLOCK_TYPE_SMC,
2597 .major = 11,
2598 .minor = 0,
2599 .rev = 0,
2600 .funcs = &smu_ip_funcs,
2601 };
2602
2603 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2604 .type = AMD_IP_BLOCK_TYPE_SMC,
2605 .major = 12,
2606 .minor = 0,
2607 .rev = 0,
2608 .funcs = &smu_ip_funcs,
2609 };
2610
2611 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2612 .type = AMD_IP_BLOCK_TYPE_SMC,
2613 .major = 13,
2614 .minor = 0,
2615 .rev = 0,
2616 .funcs = &smu_ip_funcs,
2617 };
2618
2619 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2620 .type = AMD_IP_BLOCK_TYPE_SMC,
2621 .major = 14,
2622 .minor = 0,
2623 .rev = 0,
2624 .funcs = &smu_ip_funcs,
2625 };
2626
smu_load_microcode(void * handle)2627 static int smu_load_microcode(void *handle)
2628 {
2629 struct smu_context *smu = handle;
2630 struct amdgpu_device *adev = smu->adev;
2631 int ret = 0;
2632
2633 if (!smu->pm_enabled)
2634 return -EOPNOTSUPP;
2635
2636 /* This should be used for non PSP loading */
2637 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2638 return 0;
2639
2640 if (smu->ppt_funcs->load_microcode) {
2641 ret = smu->ppt_funcs->load_microcode(smu);
2642 if (ret) {
2643 dev_err(adev->dev, "Load microcode failed\n");
2644 return ret;
2645 }
2646 }
2647
2648 if (smu->ppt_funcs->check_fw_status) {
2649 ret = smu->ppt_funcs->check_fw_status(smu);
2650 if (ret) {
2651 dev_err(adev->dev, "SMC is not ready\n");
2652 return ret;
2653 }
2654 }
2655
2656 return ret;
2657 }
2658
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2659 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2660 {
2661 int ret = 0;
2662
2663 if (smu->ppt_funcs->set_gfx_cgpg)
2664 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2665
2666 return ret;
2667 }
2668
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2669 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2670 {
2671 struct smu_context *smu = handle;
2672 int ret = 0;
2673
2674 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2675 return -EOPNOTSUPP;
2676
2677 if (!smu->ppt_funcs->set_fan_speed_rpm)
2678 return -EOPNOTSUPP;
2679
2680 if (speed == U32_MAX)
2681 return -EINVAL;
2682
2683 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2684 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2685 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2686 smu->user_dpm_profile.fan_speed_rpm = speed;
2687
2688 /* Override custom PWM setting as they cannot co-exist */
2689 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2690 smu->user_dpm_profile.fan_speed_pwm = 0;
2691 }
2692
2693 return ret;
2694 }
2695
2696 /**
2697 * smu_get_power_limit - Request one of the SMU Power Limits
2698 *
2699 * @handle: pointer to smu context
2700 * @limit: requested limit is written back to this variable
2701 * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2702 * @pp_power_type: &pp_power_type type of power
2703 * Return: 0 on success, <0 on error
2704 *
2705 */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2706 int smu_get_power_limit(void *handle,
2707 uint32_t *limit,
2708 enum pp_power_limit_level pp_limit_level,
2709 enum pp_power_type pp_power_type)
2710 {
2711 struct smu_context *smu = handle;
2712 struct amdgpu_device *adev = smu->adev;
2713 enum smu_ppt_limit_level limit_level;
2714 uint32_t limit_type;
2715 int ret = 0;
2716
2717 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2718 return -EOPNOTSUPP;
2719
2720 switch (pp_power_type) {
2721 case PP_PWR_TYPE_SUSTAINED:
2722 limit_type = SMU_DEFAULT_PPT_LIMIT;
2723 break;
2724 case PP_PWR_TYPE_FAST:
2725 limit_type = SMU_FAST_PPT_LIMIT;
2726 break;
2727 default:
2728 return -EOPNOTSUPP;
2729 }
2730
2731 switch (pp_limit_level) {
2732 case PP_PWR_LIMIT_CURRENT:
2733 limit_level = SMU_PPT_LIMIT_CURRENT;
2734 break;
2735 case PP_PWR_LIMIT_DEFAULT:
2736 limit_level = SMU_PPT_LIMIT_DEFAULT;
2737 break;
2738 case PP_PWR_LIMIT_MAX:
2739 limit_level = SMU_PPT_LIMIT_MAX;
2740 break;
2741 case PP_PWR_LIMIT_MIN:
2742 limit_level = SMU_PPT_LIMIT_MIN;
2743 break;
2744 default:
2745 return -EOPNOTSUPP;
2746 }
2747
2748 if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2749 if (smu->ppt_funcs->get_ppt_limit)
2750 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2751 } else {
2752 switch (limit_level) {
2753 case SMU_PPT_LIMIT_CURRENT:
2754 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2755 case IP_VERSION(13, 0, 2):
2756 case IP_VERSION(13, 0, 6):
2757 case IP_VERSION(13, 0, 14):
2758 case IP_VERSION(11, 0, 7):
2759 case IP_VERSION(11, 0, 11):
2760 case IP_VERSION(11, 0, 12):
2761 case IP_VERSION(11, 0, 13):
2762 ret = smu_get_asic_power_limits(smu,
2763 &smu->current_power_limit,
2764 NULL, NULL, NULL);
2765 break;
2766 default:
2767 break;
2768 }
2769 *limit = smu->current_power_limit;
2770 break;
2771 case SMU_PPT_LIMIT_DEFAULT:
2772 *limit = smu->default_power_limit;
2773 break;
2774 case SMU_PPT_LIMIT_MAX:
2775 *limit = smu->max_power_limit;
2776 break;
2777 case SMU_PPT_LIMIT_MIN:
2778 *limit = smu->min_power_limit;
2779 break;
2780 default:
2781 return -EINVAL;
2782 }
2783 }
2784
2785 return ret;
2786 }
2787
smu_set_power_limit(void * handle,uint32_t limit)2788 static int smu_set_power_limit(void *handle, uint32_t limit)
2789 {
2790 struct smu_context *smu = handle;
2791 uint32_t limit_type = limit >> 24;
2792 int ret = 0;
2793
2794 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2795 return -EOPNOTSUPP;
2796
2797 limit &= (1<<24)-1;
2798 if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2799 if (smu->ppt_funcs->set_power_limit)
2800 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2801
2802 if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2803 dev_err(smu->adev->dev,
2804 "New power limit (%d) is out of range [%d,%d]\n",
2805 limit, smu->min_power_limit, smu->max_power_limit);
2806 return -EINVAL;
2807 }
2808
2809 if (!limit)
2810 limit = smu->current_power_limit;
2811
2812 if (smu->ppt_funcs->set_power_limit) {
2813 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2814 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2815 smu->user_dpm_profile.power_limit = limit;
2816 }
2817
2818 return ret;
2819 }
2820
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2821 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2822 {
2823 int ret = 0;
2824
2825 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2826 return -EOPNOTSUPP;
2827
2828 if (smu->ppt_funcs->print_clk_levels)
2829 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2830
2831 return ret;
2832 }
2833
smu_convert_to_smuclk(enum pp_clock_type type)2834 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2835 {
2836 enum smu_clk_type clk_type;
2837
2838 switch (type) {
2839 case PP_SCLK:
2840 clk_type = SMU_SCLK; break;
2841 case PP_MCLK:
2842 clk_type = SMU_MCLK; break;
2843 case PP_PCIE:
2844 clk_type = SMU_PCIE; break;
2845 case PP_SOCCLK:
2846 clk_type = SMU_SOCCLK; break;
2847 case PP_FCLK:
2848 clk_type = SMU_FCLK; break;
2849 case PP_DCEFCLK:
2850 clk_type = SMU_DCEFCLK; break;
2851 case PP_VCLK:
2852 clk_type = SMU_VCLK; break;
2853 case PP_VCLK1:
2854 clk_type = SMU_VCLK1; break;
2855 case PP_DCLK:
2856 clk_type = SMU_DCLK; break;
2857 case PP_DCLK1:
2858 clk_type = SMU_DCLK1; break;
2859 case OD_SCLK:
2860 clk_type = SMU_OD_SCLK; break;
2861 case OD_MCLK:
2862 clk_type = SMU_OD_MCLK; break;
2863 case OD_VDDC_CURVE:
2864 clk_type = SMU_OD_VDDC_CURVE; break;
2865 case OD_RANGE:
2866 clk_type = SMU_OD_RANGE; break;
2867 case OD_VDDGFX_OFFSET:
2868 clk_type = SMU_OD_VDDGFX_OFFSET; break;
2869 case OD_CCLK:
2870 clk_type = SMU_OD_CCLK; break;
2871 case OD_FAN_CURVE:
2872 clk_type = SMU_OD_FAN_CURVE; break;
2873 case OD_ACOUSTIC_LIMIT:
2874 clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
2875 case OD_ACOUSTIC_TARGET:
2876 clk_type = SMU_OD_ACOUSTIC_TARGET; break;
2877 case OD_FAN_TARGET_TEMPERATURE:
2878 clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
2879 case OD_FAN_MINIMUM_PWM:
2880 clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
2881 default:
2882 clk_type = SMU_CLK_COUNT; break;
2883 }
2884
2885 return clk_type;
2886 }
2887
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2888 static int smu_print_ppclk_levels(void *handle,
2889 enum pp_clock_type type,
2890 char *buf)
2891 {
2892 struct smu_context *smu = handle;
2893 enum smu_clk_type clk_type;
2894
2895 clk_type = smu_convert_to_smuclk(type);
2896 if (clk_type == SMU_CLK_COUNT)
2897 return -EINVAL;
2898
2899 return smu_print_smuclk_levels(smu, clk_type, buf);
2900 }
2901
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2902 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2903 {
2904 struct smu_context *smu = handle;
2905 enum smu_clk_type clk_type;
2906
2907 clk_type = smu_convert_to_smuclk(type);
2908 if (clk_type == SMU_CLK_COUNT)
2909 return -EINVAL;
2910
2911 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2912 return -EOPNOTSUPP;
2913
2914 if (!smu->ppt_funcs->emit_clk_levels)
2915 return -ENOENT;
2916
2917 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2918
2919 }
2920
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2921 static int smu_od_edit_dpm_table(void *handle,
2922 enum PP_OD_DPM_TABLE_COMMAND type,
2923 long *input, uint32_t size)
2924 {
2925 struct smu_context *smu = handle;
2926 int ret = 0;
2927
2928 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2929 return -EOPNOTSUPP;
2930
2931 if (smu->ppt_funcs->od_edit_dpm_table) {
2932 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2933 }
2934
2935 return ret;
2936 }
2937
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2938 static int smu_read_sensor(void *handle,
2939 int sensor,
2940 void *data,
2941 int *size_arg)
2942 {
2943 struct smu_context *smu = handle;
2944 struct smu_umd_pstate_table *pstate_table =
2945 &smu->pstate_table;
2946 int ret = 0;
2947 uint32_t *size, size_val;
2948
2949 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2950 return -EOPNOTSUPP;
2951
2952 if (!data || !size_arg)
2953 return -EINVAL;
2954
2955 size_val = *size_arg;
2956 size = &size_val;
2957
2958 if (smu->ppt_funcs->read_sensor)
2959 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2960 goto unlock;
2961
2962 switch (sensor) {
2963 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2964 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2965 *size = 4;
2966 break;
2967 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2968 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2969 *size = 4;
2970 break;
2971 case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2972 *((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2973 *size = 4;
2974 break;
2975 case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2976 *((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2977 *size = 4;
2978 break;
2979 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2980 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2981 *size = 8;
2982 break;
2983 case AMDGPU_PP_SENSOR_UVD_POWER:
2984 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2985 *size = 4;
2986 break;
2987 case AMDGPU_PP_SENSOR_VCE_POWER:
2988 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2989 *size = 4;
2990 break;
2991 case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
2992 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
2993 *size = 4;
2994 break;
2995 case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
2996 *(uint32_t *)data = 0;
2997 *size = 4;
2998 break;
2999 default:
3000 *size = 0;
3001 ret = -EOPNOTSUPP;
3002 break;
3003 }
3004
3005 unlock:
3006 // assign uint32_t to int
3007 *size_arg = size_val;
3008
3009 return ret;
3010 }
3011
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)3012 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
3013 {
3014 int ret = -EOPNOTSUPP;
3015 struct smu_context *smu = handle;
3016
3017 if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
3018 ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
3019
3020 return ret;
3021 }
3022
smu_set_apu_thermal_limit(void * handle,uint32_t limit)3023 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
3024 {
3025 int ret = -EOPNOTSUPP;
3026 struct smu_context *smu = handle;
3027
3028 if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
3029 ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
3030
3031 return ret;
3032 }
3033
smu_get_power_profile_mode(void * handle,char * buf)3034 static int smu_get_power_profile_mode(void *handle, char *buf)
3035 {
3036 struct smu_context *smu = handle;
3037
3038 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3039 !smu->ppt_funcs->get_power_profile_mode)
3040 return -EOPNOTSUPP;
3041 if (!buf)
3042 return -EINVAL;
3043
3044 return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3045 }
3046
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)3047 static int smu_set_power_profile_mode(void *handle,
3048 long *param,
3049 uint32_t param_size)
3050 {
3051 struct smu_context *smu = handle;
3052
3053 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3054 !smu->ppt_funcs->set_power_profile_mode)
3055 return -EOPNOTSUPP;
3056
3057 return smu_bump_power_profile_mode(smu, param, param_size);
3058 }
3059
smu_get_fan_control_mode(void * handle,u32 * fan_mode)3060 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3061 {
3062 struct smu_context *smu = handle;
3063
3064 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3065 return -EOPNOTSUPP;
3066
3067 if (!smu->ppt_funcs->get_fan_control_mode)
3068 return -EOPNOTSUPP;
3069
3070 if (!fan_mode)
3071 return -EINVAL;
3072
3073 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3074
3075 return 0;
3076 }
3077
smu_set_fan_control_mode(void * handle,u32 value)3078 static int smu_set_fan_control_mode(void *handle, u32 value)
3079 {
3080 struct smu_context *smu = handle;
3081 int ret = 0;
3082
3083 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3084 return -EOPNOTSUPP;
3085
3086 if (!smu->ppt_funcs->set_fan_control_mode)
3087 return -EOPNOTSUPP;
3088
3089 if (value == U32_MAX)
3090 return -EINVAL;
3091
3092 ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3093 if (ret)
3094 goto out;
3095
3096 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3097 smu->user_dpm_profile.fan_mode = value;
3098
3099 /* reset user dpm fan speed */
3100 if (value != AMD_FAN_CTRL_MANUAL) {
3101 smu->user_dpm_profile.fan_speed_pwm = 0;
3102 smu->user_dpm_profile.fan_speed_rpm = 0;
3103 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3104 }
3105 }
3106
3107 out:
3108 return ret;
3109 }
3110
smu_get_fan_speed_pwm(void * handle,u32 * speed)3111 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3112 {
3113 struct smu_context *smu = handle;
3114 int ret = 0;
3115
3116 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3117 return -EOPNOTSUPP;
3118
3119 if (!smu->ppt_funcs->get_fan_speed_pwm)
3120 return -EOPNOTSUPP;
3121
3122 if (!speed)
3123 return -EINVAL;
3124
3125 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3126
3127 return ret;
3128 }
3129
smu_set_fan_speed_pwm(void * handle,u32 speed)3130 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3131 {
3132 struct smu_context *smu = handle;
3133 int ret = 0;
3134
3135 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3136 return -EOPNOTSUPP;
3137
3138 if (!smu->ppt_funcs->set_fan_speed_pwm)
3139 return -EOPNOTSUPP;
3140
3141 if (speed == U32_MAX)
3142 return -EINVAL;
3143
3144 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3145 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3146 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3147 smu->user_dpm_profile.fan_speed_pwm = speed;
3148
3149 /* Override custom RPM setting as they cannot co-exist */
3150 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3151 smu->user_dpm_profile.fan_speed_rpm = 0;
3152 }
3153
3154 return ret;
3155 }
3156
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)3157 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3158 {
3159 struct smu_context *smu = handle;
3160 int ret = 0;
3161
3162 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3163 return -EOPNOTSUPP;
3164
3165 if (!smu->ppt_funcs->get_fan_speed_rpm)
3166 return -EOPNOTSUPP;
3167
3168 if (!speed)
3169 return -EINVAL;
3170
3171 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3172
3173 return ret;
3174 }
3175
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)3176 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3177 {
3178 struct smu_context *smu = handle;
3179
3180 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3181 return -EOPNOTSUPP;
3182
3183 return smu_set_min_dcef_deep_sleep(smu, clk);
3184 }
3185
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)3186 static int smu_get_clock_by_type_with_latency(void *handle,
3187 enum amd_pp_clock_type type,
3188 struct pp_clock_levels_with_latency *clocks)
3189 {
3190 struct smu_context *smu = handle;
3191 enum smu_clk_type clk_type;
3192 int ret = 0;
3193
3194 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3195 return -EOPNOTSUPP;
3196
3197 if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3198 switch (type) {
3199 case amd_pp_sys_clock:
3200 clk_type = SMU_GFXCLK;
3201 break;
3202 case amd_pp_mem_clock:
3203 clk_type = SMU_MCLK;
3204 break;
3205 case amd_pp_dcef_clock:
3206 clk_type = SMU_DCEFCLK;
3207 break;
3208 case amd_pp_disp_clock:
3209 clk_type = SMU_DISPCLK;
3210 break;
3211 default:
3212 dev_err(smu->adev->dev, "Invalid clock type!\n");
3213 return -EINVAL;
3214 }
3215
3216 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3217 }
3218
3219 return ret;
3220 }
3221
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)3222 static int smu_display_clock_voltage_request(void *handle,
3223 struct pp_display_clock_request *clock_req)
3224 {
3225 struct smu_context *smu = handle;
3226 int ret = 0;
3227
3228 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3229 return -EOPNOTSUPP;
3230
3231 if (smu->ppt_funcs->display_clock_voltage_request)
3232 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3233
3234 return ret;
3235 }
3236
3237
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)3238 static int smu_display_disable_memory_clock_switch(void *handle,
3239 bool disable_memory_clock_switch)
3240 {
3241 struct smu_context *smu = handle;
3242 int ret = -EINVAL;
3243
3244 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3245 return -EOPNOTSUPP;
3246
3247 if (smu->ppt_funcs->display_disable_memory_clock_switch)
3248 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3249
3250 return ret;
3251 }
3252
smu_set_xgmi_pstate(void * handle,uint32_t pstate)3253 static int smu_set_xgmi_pstate(void *handle,
3254 uint32_t pstate)
3255 {
3256 struct smu_context *smu = handle;
3257 int ret = 0;
3258
3259 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3260 return -EOPNOTSUPP;
3261
3262 if (smu->ppt_funcs->set_xgmi_pstate)
3263 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3264
3265 if (ret)
3266 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3267
3268 return ret;
3269 }
3270
smu_get_baco_capability(void * handle)3271 static int smu_get_baco_capability(void *handle)
3272 {
3273 struct smu_context *smu = handle;
3274
3275 if (!smu->pm_enabled)
3276 return false;
3277
3278 if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3279 return false;
3280
3281 return smu->ppt_funcs->get_bamaco_support(smu);
3282 }
3283
smu_baco_set_state(void * handle,int state)3284 static int smu_baco_set_state(void *handle, int state)
3285 {
3286 struct smu_context *smu = handle;
3287 int ret = 0;
3288
3289 if (!smu->pm_enabled)
3290 return -EOPNOTSUPP;
3291
3292 if (state == 0) {
3293 if (smu->ppt_funcs->baco_exit)
3294 ret = smu->ppt_funcs->baco_exit(smu);
3295 } else if (state == 1) {
3296 if (smu->ppt_funcs->baco_enter)
3297 ret = smu->ppt_funcs->baco_enter(smu);
3298 } else {
3299 return -EINVAL;
3300 }
3301
3302 if (ret)
3303 dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3304 (state)?"enter":"exit");
3305
3306 return ret;
3307 }
3308
smu_mode1_reset_is_support(struct smu_context * smu)3309 bool smu_mode1_reset_is_support(struct smu_context *smu)
3310 {
3311 bool ret = false;
3312
3313 if (!smu->pm_enabled)
3314 return false;
3315
3316 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3317 ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3318
3319 return ret;
3320 }
3321
smu_mode2_reset_is_support(struct smu_context * smu)3322 bool smu_mode2_reset_is_support(struct smu_context *smu)
3323 {
3324 bool ret = false;
3325
3326 if (!smu->pm_enabled)
3327 return false;
3328
3329 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
3330 ret = smu->ppt_funcs->mode2_reset_is_support(smu);
3331
3332 return ret;
3333 }
3334
smu_mode1_reset(struct smu_context * smu)3335 int smu_mode1_reset(struct smu_context *smu)
3336 {
3337 int ret = 0;
3338
3339 if (!smu->pm_enabled)
3340 return -EOPNOTSUPP;
3341
3342 if (smu->ppt_funcs->mode1_reset)
3343 ret = smu->ppt_funcs->mode1_reset(smu);
3344
3345 return ret;
3346 }
3347
smu_mode2_reset(void * handle)3348 static int smu_mode2_reset(void *handle)
3349 {
3350 struct smu_context *smu = handle;
3351 int ret = 0;
3352
3353 if (!smu->pm_enabled)
3354 return -EOPNOTSUPP;
3355
3356 if (smu->ppt_funcs->mode2_reset)
3357 ret = smu->ppt_funcs->mode2_reset(smu);
3358
3359 if (ret)
3360 dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3361
3362 return ret;
3363 }
3364
smu_enable_gfx_features(void * handle)3365 static int smu_enable_gfx_features(void *handle)
3366 {
3367 struct smu_context *smu = handle;
3368 int ret = 0;
3369
3370 if (!smu->pm_enabled)
3371 return -EOPNOTSUPP;
3372
3373 if (smu->ppt_funcs->enable_gfx_features)
3374 ret = smu->ppt_funcs->enable_gfx_features(smu);
3375
3376 if (ret)
3377 dev_err(smu->adev->dev, "enable gfx features failed!\n");
3378
3379 return ret;
3380 }
3381
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)3382 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3383 struct pp_smu_nv_clock_table *max_clocks)
3384 {
3385 struct smu_context *smu = handle;
3386 int ret = 0;
3387
3388 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3389 return -EOPNOTSUPP;
3390
3391 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3392 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3393
3394 return ret;
3395 }
3396
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)3397 static int smu_get_uclk_dpm_states(void *handle,
3398 unsigned int *clock_values_in_khz,
3399 unsigned int *num_states)
3400 {
3401 struct smu_context *smu = handle;
3402 int ret = 0;
3403
3404 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3405 return -EOPNOTSUPP;
3406
3407 if (smu->ppt_funcs->get_uclk_dpm_states)
3408 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3409
3410 return ret;
3411 }
3412
smu_get_current_power_state(void * handle)3413 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3414 {
3415 struct smu_context *smu = handle;
3416 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3417
3418 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3419 return -EOPNOTSUPP;
3420
3421 if (smu->ppt_funcs->get_current_power_state)
3422 pm_state = smu->ppt_funcs->get_current_power_state(smu);
3423
3424 return pm_state;
3425 }
3426
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3427 static int smu_get_dpm_clock_table(void *handle,
3428 struct dpm_clocks *clock_table)
3429 {
3430 struct smu_context *smu = handle;
3431 int ret = 0;
3432
3433 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3434 return -EOPNOTSUPP;
3435
3436 if (smu->ppt_funcs->get_dpm_clock_table)
3437 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3438
3439 return ret;
3440 }
3441
smu_sys_get_gpu_metrics(void * handle,void ** table)3442 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3443 {
3444 struct smu_context *smu = handle;
3445
3446 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3447 return -EOPNOTSUPP;
3448
3449 if (!smu->ppt_funcs->get_gpu_metrics)
3450 return -EOPNOTSUPP;
3451
3452 return smu->ppt_funcs->get_gpu_metrics(smu, table);
3453 }
3454
smu_sys_get_pm_metrics(void * handle,void * pm_metrics,size_t size)3455 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3456 size_t size)
3457 {
3458 struct smu_context *smu = handle;
3459
3460 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3461 return -EOPNOTSUPP;
3462
3463 if (!smu->ppt_funcs->get_pm_metrics)
3464 return -EOPNOTSUPP;
3465
3466 return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3467 }
3468
smu_enable_mgpu_fan_boost(void * handle)3469 static int smu_enable_mgpu_fan_boost(void *handle)
3470 {
3471 struct smu_context *smu = handle;
3472 int ret = 0;
3473
3474 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3475 return -EOPNOTSUPP;
3476
3477 if (smu->ppt_funcs->enable_mgpu_fan_boost)
3478 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3479
3480 return ret;
3481 }
3482
smu_gfx_state_change_set(void * handle,uint32_t state)3483 static int smu_gfx_state_change_set(void *handle,
3484 uint32_t state)
3485 {
3486 struct smu_context *smu = handle;
3487 int ret = 0;
3488
3489 if (smu->ppt_funcs->gfx_state_change_set)
3490 ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3491
3492 return ret;
3493 }
3494
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3495 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3496 {
3497 int ret = 0;
3498
3499 if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3500 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3501
3502 return ret;
3503 }
3504
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3505 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3506 {
3507 int ret = -EOPNOTSUPP;
3508
3509 if (smu->ppt_funcs &&
3510 smu->ppt_funcs->get_ecc_info)
3511 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3512
3513 return ret;
3514
3515 }
3516
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3517 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3518 {
3519 struct smu_context *smu = handle;
3520 struct smu_table_context *smu_table = &smu->smu_table;
3521 struct smu_table *memory_pool = &smu_table->memory_pool;
3522
3523 if (!addr || !size)
3524 return -EINVAL;
3525
3526 *addr = NULL;
3527 *size = 0;
3528 if (memory_pool->bo) {
3529 *addr = memory_pool->cpu_addr;
3530 *size = memory_pool->size;
3531 }
3532
3533 return 0;
3534 }
3535
smu_print_dpm_policy(struct smu_dpm_policy * policy,char * sysbuf,size_t * size)3536 static void smu_print_dpm_policy(struct smu_dpm_policy *policy, char *sysbuf,
3537 size_t *size)
3538 {
3539 size_t offset = *size;
3540 int level;
3541
3542 for_each_set_bit(level, &policy->level_mask, PP_POLICY_MAX_LEVELS) {
3543 if (level == policy->current_level)
3544 offset += sysfs_emit_at(sysbuf, offset,
3545 "%d : %s*\n", level,
3546 policy->desc->get_desc(policy, level));
3547 else
3548 offset += sysfs_emit_at(sysbuf, offset,
3549 "%d : %s\n", level,
3550 policy->desc->get_desc(policy, level));
3551 }
3552
3553 *size = offset;
3554 }
3555
smu_get_pm_policy_info(struct smu_context * smu,enum pp_pm_policy p_type,char * sysbuf)3556 ssize_t smu_get_pm_policy_info(struct smu_context *smu,
3557 enum pp_pm_policy p_type, char *sysbuf)
3558 {
3559 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3560 struct smu_dpm_policy_ctxt *policy_ctxt;
3561 struct smu_dpm_policy *dpm_policy;
3562 size_t offset = 0;
3563
3564 policy_ctxt = dpm_ctxt->dpm_policies;
3565 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3566 !policy_ctxt->policy_mask)
3567 return -EOPNOTSUPP;
3568
3569 if (p_type == PP_PM_POLICY_NONE)
3570 return -EINVAL;
3571
3572 dpm_policy = smu_get_pm_policy(smu, p_type);
3573 if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->desc)
3574 return -ENOENT;
3575
3576 if (!sysbuf)
3577 return -EINVAL;
3578
3579 smu_print_dpm_policy(dpm_policy, sysbuf, &offset);
3580
3581 return offset;
3582 }
3583
smu_get_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type)3584 struct smu_dpm_policy *smu_get_pm_policy(struct smu_context *smu,
3585 enum pp_pm_policy p_type)
3586 {
3587 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3588 struct smu_dpm_policy_ctxt *policy_ctxt;
3589 int i;
3590
3591 policy_ctxt = dpm_ctxt->dpm_policies;
3592 if (!policy_ctxt)
3593 return NULL;
3594
3595 for (i = 0; i < hweight32(policy_ctxt->policy_mask); ++i) {
3596 if (policy_ctxt->policies[i].policy_type == p_type)
3597 return &policy_ctxt->policies[i];
3598 }
3599
3600 return NULL;
3601 }
3602
smu_set_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type,int level)3603 int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type,
3604 int level)
3605 {
3606 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3607 struct smu_dpm_policy *dpm_policy = NULL;
3608 struct smu_dpm_policy_ctxt *policy_ctxt;
3609 int ret = -EOPNOTSUPP;
3610
3611 policy_ctxt = dpm_ctxt->dpm_policies;
3612 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3613 !policy_ctxt->policy_mask)
3614 return ret;
3615
3616 if (level < 0 || level >= PP_POLICY_MAX_LEVELS)
3617 return -EINVAL;
3618
3619 dpm_policy = smu_get_pm_policy(smu, p_type);
3620
3621 if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->set_policy)
3622 return ret;
3623
3624 if (dpm_policy->current_level == level)
3625 return 0;
3626
3627 ret = dpm_policy->set_policy(smu, level);
3628
3629 if (!ret)
3630 dpm_policy->current_level = level;
3631
3632 return ret;
3633 }
3634
3635 static const struct amd_pm_funcs swsmu_pm_funcs = {
3636 /* export for sysfs */
3637 .set_fan_control_mode = smu_set_fan_control_mode,
3638 .get_fan_control_mode = smu_get_fan_control_mode,
3639 .set_fan_speed_pwm = smu_set_fan_speed_pwm,
3640 .get_fan_speed_pwm = smu_get_fan_speed_pwm,
3641 .force_clock_level = smu_force_ppclk_levels,
3642 .print_clock_levels = smu_print_ppclk_levels,
3643 .emit_clock_levels = smu_emit_ppclk_levels,
3644 .force_performance_level = smu_force_performance_level,
3645 .read_sensor = smu_read_sensor,
3646 .get_apu_thermal_limit = smu_get_apu_thermal_limit,
3647 .set_apu_thermal_limit = smu_set_apu_thermal_limit,
3648 .get_performance_level = smu_get_performance_level,
3649 .get_current_power_state = smu_get_current_power_state,
3650 .get_fan_speed_rpm = smu_get_fan_speed_rpm,
3651 .set_fan_speed_rpm = smu_set_fan_speed_rpm,
3652 .get_pp_num_states = smu_get_power_num_states,
3653 .get_pp_table = smu_sys_get_pp_table,
3654 .set_pp_table = smu_sys_set_pp_table,
3655 .switch_power_profile = smu_switch_power_profile,
3656 /* export to amdgpu */
3657 .dispatch_tasks = smu_handle_dpm_task,
3658 .load_firmware = smu_load_microcode,
3659 .set_powergating_by_smu = smu_dpm_set_power_gate,
3660 .set_power_limit = smu_set_power_limit,
3661 .get_power_limit = smu_get_power_limit,
3662 .get_power_profile_mode = smu_get_power_profile_mode,
3663 .set_power_profile_mode = smu_set_power_profile_mode,
3664 .odn_edit_dpm_table = smu_od_edit_dpm_table,
3665 .set_mp1_state = smu_set_mp1_state,
3666 .gfx_state_change_set = smu_gfx_state_change_set,
3667 /* export to DC */
3668 .get_sclk = smu_get_sclk,
3669 .get_mclk = smu_get_mclk,
3670 .display_configuration_change = smu_display_configuration_change,
3671 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency,
3672 .display_clock_voltage_request = smu_display_clock_voltage_request,
3673 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost,
3674 .set_active_display_count = smu_set_display_count,
3675 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk,
3676 .get_asic_baco_capability = smu_get_baco_capability,
3677 .set_asic_baco_state = smu_baco_set_state,
3678 .get_ppfeature_status = smu_sys_get_pp_feature_mask,
3679 .set_ppfeature_status = smu_sys_set_pp_feature_mask,
3680 .asic_reset_mode_2 = smu_mode2_reset,
3681 .asic_reset_enable_gfx_features = smu_enable_gfx_features,
3682 .set_df_cstate = smu_set_df_cstate,
3683 .set_xgmi_pstate = smu_set_xgmi_pstate,
3684 .get_gpu_metrics = smu_sys_get_gpu_metrics,
3685 .get_pm_metrics = smu_sys_get_pm_metrics,
3686 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges,
3687 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3688 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc,
3689 .get_uclk_dpm_states = smu_get_uclk_dpm_states,
3690 .get_dpm_clock_table = smu_get_dpm_clock_table,
3691 .get_smu_prv_buf_details = smu_get_prv_buffer_details,
3692 };
3693
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3694 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3695 uint64_t event_arg)
3696 {
3697 int ret = -EINVAL;
3698
3699 if (smu->ppt_funcs->wait_for_event)
3700 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3701
3702 return ret;
3703 }
3704
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3705 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3706 {
3707
3708 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3709 return -EOPNOTSUPP;
3710
3711 /* Confirm the buffer allocated is of correct size */
3712 if (size != smu->stb_context.stb_buf_size)
3713 return -EINVAL;
3714
3715 /*
3716 * No need to lock smu mutex as we access STB directly through MMIO
3717 * and not going through SMU messaging route (for now at least).
3718 * For registers access rely on implementation internal locking.
3719 */
3720 return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3721 }
3722
3723 #if defined(CONFIG_DEBUG_FS)
3724
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3725 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3726 {
3727 struct amdgpu_device *adev = filp->f_inode->i_private;
3728 struct smu_context *smu = adev->powerplay.pp_handle;
3729 unsigned char *buf;
3730 int r;
3731
3732 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3733 if (!buf)
3734 return -ENOMEM;
3735
3736 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3737 if (r)
3738 goto out;
3739
3740 filp->private_data = buf;
3741
3742 return 0;
3743
3744 out:
3745 kvfree(buf);
3746 return r;
3747 }
3748
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3749 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3750 loff_t *pos)
3751 {
3752 struct amdgpu_device *adev = filp->f_inode->i_private;
3753 struct smu_context *smu = adev->powerplay.pp_handle;
3754
3755
3756 if (!filp->private_data)
3757 return -EINVAL;
3758
3759 return simple_read_from_buffer(buf,
3760 size,
3761 pos, filp->private_data,
3762 smu->stb_context.stb_buf_size);
3763 }
3764
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3765 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3766 {
3767 kvfree(filp->private_data);
3768 filp->private_data = NULL;
3769
3770 return 0;
3771 }
3772
3773 /*
3774 * We have to define not only read method but also
3775 * open and release because .read takes up to PAGE_SIZE
3776 * data each time so and so is invoked multiple times.
3777 * We allocate the STB buffer in .open and release it
3778 * in .release
3779 */
3780 static const struct file_operations smu_stb_debugfs_fops = {
3781 .owner = THIS_MODULE,
3782 .open = smu_stb_debugfs_open,
3783 .read = smu_stb_debugfs_read,
3784 .release = smu_stb_debugfs_release,
3785 .llseek = default_llseek,
3786 };
3787
3788 #endif
3789
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3790 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3791 {
3792 #if defined(CONFIG_DEBUG_FS)
3793
3794 struct smu_context *smu = adev->powerplay.pp_handle;
3795
3796 if (!smu || (!smu->stb_context.stb_buf_size))
3797 return;
3798
3799 debugfs_create_file_size("amdgpu_smu_stb_dump",
3800 S_IRUSR,
3801 adev_to_drm(adev)->primary->debugfs_root,
3802 adev,
3803 &smu_stb_debugfs_fops,
3804 smu->stb_context.stb_buf_size);
3805 #endif
3806 }
3807
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3808 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3809 {
3810 int ret = 0;
3811
3812 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3813 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3814
3815 return ret;
3816 }
3817
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3818 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3819 {
3820 int ret = 0;
3821
3822 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3823 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3824
3825 return ret;
3826 }
3827
smu_send_rma_reason(struct smu_context * smu)3828 int smu_send_rma_reason(struct smu_context *smu)
3829 {
3830 int ret = 0;
3831
3832 if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
3833 ret = smu->ppt_funcs->send_rma_reason(smu);
3834
3835 return ret;
3836 }
3837