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 smu->user_dpm_profile.user_workload_mask = 0;
1263
1264 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
1265 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
1266 atomic_set(&smu->smu_power.power_gate.vpe_gated, 1);
1267 atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1);
1268
1269 smu->workload_priority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
1270 smu->workload_priority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
1271 smu->workload_priority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
1272 smu->workload_priority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
1273 smu->workload_priority[PP_SMC_POWER_PROFILE_VR] = 4;
1274 smu->workload_priority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
1275 smu->workload_priority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
1276
1277 if (smu->is_apu ||
1278 !smu_is_workload_profile_available(smu, PP_SMC_POWER_PROFILE_FULLSCREEN3D)) {
1279 smu->driver_workload_mask =
1280 1 << smu->workload_priority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
1281 } else {
1282 smu->driver_workload_mask =
1283 1 << smu->workload_priority[PP_SMC_POWER_PROFILE_FULLSCREEN3D];
1284 smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1285 }
1286
1287 smu->workload_mask = smu->driver_workload_mask |
1288 smu->user_dpm_profile.user_workload_mask;
1289 smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
1290 smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
1291 smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
1292 smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
1293 smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
1294 smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
1295 smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
1296 smu->display_config = &adev->pm.pm_display_cfg;
1297
1298 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1299 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
1300
1301 INIT_DELAYED_WORK(&smu->swctf_delayed_work,
1302 smu_swctf_delayed_work_handler);
1303
1304 ret = smu_smc_table_sw_init(smu);
1305 if (ret) {
1306 dev_err(adev->dev, "Failed to sw init smc table!\n");
1307 return ret;
1308 }
1309
1310 /* get boot_values from vbios to set revision, gfxclk, and etc. */
1311 ret = smu_get_vbios_bootup_values(smu);
1312 if (ret) {
1313 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n");
1314 return ret;
1315 }
1316
1317 ret = smu_init_pptable_microcode(smu);
1318 if (ret) {
1319 dev_err(adev->dev, "Failed to setup pptable firmware!\n");
1320 return ret;
1321 }
1322
1323 ret = smu_register_irq_handler(smu);
1324 if (ret) {
1325 dev_err(adev->dev, "Failed to register smc irq handler!\n");
1326 return ret;
1327 }
1328
1329 /* If there is no way to query fan control mode, fan control is not supported */
1330 if (!smu->ppt_funcs->get_fan_control_mode)
1331 smu->adev->pm.no_fan = true;
1332
1333 return 0;
1334 }
1335
smu_sw_fini(void * handle)1336 static int smu_sw_fini(void *handle)
1337 {
1338 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1339 struct smu_context *smu = adev->powerplay.pp_handle;
1340 int ret;
1341
1342 ret = smu_smc_table_sw_fini(smu);
1343 if (ret) {
1344 dev_err(adev->dev, "Failed to sw fini smc table!\n");
1345 return ret;
1346 }
1347
1348 smu_fini_microcode(smu);
1349
1350 return 0;
1351 }
1352
smu_get_thermal_temperature_range(struct smu_context * smu)1353 static int smu_get_thermal_temperature_range(struct smu_context *smu)
1354 {
1355 struct amdgpu_device *adev = smu->adev;
1356 struct smu_temperature_range *range =
1357 &smu->thermal_range;
1358 int ret = 0;
1359
1360 if (!smu->ppt_funcs->get_thermal_temperature_range)
1361 return 0;
1362
1363 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range);
1364 if (ret)
1365 return ret;
1366
1367 adev->pm.dpm.thermal.min_temp = range->min;
1368 adev->pm.dpm.thermal.max_temp = range->max;
1369 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max;
1370 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min;
1371 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max;
1372 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max;
1373 adev->pm.dpm.thermal.min_mem_temp = range->mem_min;
1374 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max;
1375 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max;
1376
1377 return ret;
1378 }
1379
1380 /**
1381 * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges
1382 *
1383 * @smu: smu_context pointer
1384 *
1385 * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling.
1386 * Returns 0 on success, error on failure.
1387 */
smu_wbrf_handle_exclusion_ranges(struct smu_context * smu)1388 static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu)
1389 {
1390 struct wbrf_ranges_in_out wbrf_exclusion = {0};
1391 struct freq_band_range *wifi_bands = wbrf_exclusion.band_list;
1392 struct amdgpu_device *adev = smu->adev;
1393 uint32_t num_of_wbrf_ranges = MAX_NUM_OF_WBRF_RANGES;
1394 uint64_t start, end;
1395 int ret, i, j;
1396
1397 ret = amd_wbrf_retrieve_freq_band(adev->dev, &wbrf_exclusion);
1398 if (ret) {
1399 dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n");
1400 return ret;
1401 }
1402
1403 /*
1404 * The exclusion ranges array we got might be filled with holes and duplicate
1405 * entries. For example:
1406 * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...}
1407 * We need to do some sortups to eliminate those holes and duplicate entries.
1408 * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...}
1409 */
1410 for (i = 0; i < num_of_wbrf_ranges; i++) {
1411 start = wifi_bands[i].start;
1412 end = wifi_bands[i].end;
1413
1414 /* get the last valid entry to fill the intermediate hole */
1415 if (!start && !end) {
1416 for (j = num_of_wbrf_ranges - 1; j > i; j--)
1417 if (wifi_bands[j].start && wifi_bands[j].end)
1418 break;
1419
1420 /* no valid entry left */
1421 if (j <= i)
1422 break;
1423
1424 start = wifi_bands[i].start = wifi_bands[j].start;
1425 end = wifi_bands[i].end = wifi_bands[j].end;
1426 wifi_bands[j].start = 0;
1427 wifi_bands[j].end = 0;
1428 num_of_wbrf_ranges = j;
1429 }
1430
1431 /* eliminate duplicate entries */
1432 for (j = i + 1; j < num_of_wbrf_ranges; j++) {
1433 if ((wifi_bands[j].start == start) && (wifi_bands[j].end == end)) {
1434 wifi_bands[j].start = 0;
1435 wifi_bands[j].end = 0;
1436 }
1437 }
1438 }
1439
1440 /* Send the sorted wifi_bands to PMFW */
1441 ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1442 /* Try to set the wifi_bands again */
1443 if (unlikely(ret == -EBUSY)) {
1444 mdelay(5);
1445 ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands);
1446 }
1447
1448 return ret;
1449 }
1450
1451 /**
1452 * smu_wbrf_event_handler - handle notify events
1453 *
1454 * @nb: notifier block
1455 * @action: event type
1456 * @_arg: event data
1457 *
1458 * Calls relevant amdgpu function in response to wbrf event
1459 * notification from kernel.
1460 */
smu_wbrf_event_handler(struct notifier_block * nb,unsigned long action,void * _arg)1461 static int smu_wbrf_event_handler(struct notifier_block *nb,
1462 unsigned long action, void *_arg)
1463 {
1464 struct smu_context *smu = container_of(nb, struct smu_context, wbrf_notifier);
1465
1466 switch (action) {
1467 case WBRF_CHANGED:
1468 schedule_delayed_work(&smu->wbrf_delayed_work,
1469 msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1470 break;
1471 default:
1472 return NOTIFY_DONE;
1473 }
1474
1475 return NOTIFY_OK;
1476 }
1477
1478 /**
1479 * smu_wbrf_delayed_work_handler - callback on delayed work timer expired
1480 *
1481 * @work: struct work_struct pointer
1482 *
1483 * Flood is over and driver will consume the latest exclusion ranges.
1484 */
smu_wbrf_delayed_work_handler(struct work_struct * work)1485 static void smu_wbrf_delayed_work_handler(struct work_struct *work)
1486 {
1487 struct smu_context *smu = container_of(work, struct smu_context, wbrf_delayed_work.work);
1488
1489 smu_wbrf_handle_exclusion_ranges(smu);
1490 }
1491
1492 /**
1493 * smu_wbrf_support_check - check wbrf support
1494 *
1495 * @smu: smu_context pointer
1496 *
1497 * Verifies the ACPI interface whether wbrf is supported.
1498 */
smu_wbrf_support_check(struct smu_context * smu)1499 static void smu_wbrf_support_check(struct smu_context *smu)
1500 {
1501 struct amdgpu_device *adev = smu->adev;
1502
1503 smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && amdgpu_wbrf &&
1504 acpi_amd_wbrf_supported_consumer(adev->dev);
1505
1506 if (smu->wbrf_supported)
1507 dev_info(adev->dev, "RF interference mitigation is supported\n");
1508 }
1509
1510 /**
1511 * smu_wbrf_init - init driver wbrf support
1512 *
1513 * @smu: smu_context pointer
1514 *
1515 * Verifies the AMD ACPI interfaces and registers with the wbrf
1516 * notifier chain if wbrf feature is supported.
1517 * Returns 0 on success, error on failure.
1518 */
smu_wbrf_init(struct smu_context * smu)1519 static int smu_wbrf_init(struct smu_context *smu)
1520 {
1521 int ret;
1522
1523 if (!smu->wbrf_supported)
1524 return 0;
1525
1526 INIT_DELAYED_WORK(&smu->wbrf_delayed_work, smu_wbrf_delayed_work_handler);
1527
1528 smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler;
1529 ret = amd_wbrf_register_notifier(&smu->wbrf_notifier);
1530 if (ret)
1531 return ret;
1532
1533 /*
1534 * Some wifiband exclusion ranges may be already there
1535 * before our driver loaded. To make sure our driver
1536 * is awared of those exclusion ranges.
1537 */
1538 schedule_delayed_work(&smu->wbrf_delayed_work,
1539 msecs_to_jiffies(SMU_WBRF_EVENT_HANDLING_PACE));
1540
1541 return 0;
1542 }
1543
1544 /**
1545 * smu_wbrf_fini - tear down driver wbrf support
1546 *
1547 * @smu: smu_context pointer
1548 *
1549 * Unregisters with the wbrf notifier chain.
1550 */
smu_wbrf_fini(struct smu_context * smu)1551 static void smu_wbrf_fini(struct smu_context *smu)
1552 {
1553 if (!smu->wbrf_supported)
1554 return;
1555
1556 amd_wbrf_unregister_notifier(&smu->wbrf_notifier);
1557
1558 cancel_delayed_work_sync(&smu->wbrf_delayed_work);
1559 }
1560
smu_smc_hw_setup(struct smu_context * smu)1561 static int smu_smc_hw_setup(struct smu_context *smu)
1562 {
1563 struct smu_feature *feature = &smu->smu_feature;
1564 struct amdgpu_device *adev = smu->adev;
1565 uint8_t pcie_gen = 0, pcie_width = 0;
1566 uint64_t features_supported;
1567 int ret = 0;
1568
1569 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1570 case IP_VERSION(11, 0, 7):
1571 case IP_VERSION(11, 0, 11):
1572 case IP_VERSION(11, 5, 0):
1573 case IP_VERSION(11, 0, 12):
1574 if (adev->in_suspend && smu_is_dpm_running(smu)) {
1575 dev_info(adev->dev, "dpm has been enabled\n");
1576 ret = smu_system_features_control(smu, true);
1577 if (ret)
1578 dev_err(adev->dev, "Failed system features control!\n");
1579 return ret;
1580 }
1581 break;
1582 default:
1583 break;
1584 }
1585
1586 ret = smu_init_display_count(smu, 0);
1587 if (ret) {
1588 dev_info(adev->dev, "Failed to pre-set display count as 0!\n");
1589 return ret;
1590 }
1591
1592 ret = smu_set_driver_table_location(smu);
1593 if (ret) {
1594 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n");
1595 return ret;
1596 }
1597
1598 /*
1599 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
1600 */
1601 ret = smu_set_tool_table_location(smu);
1602 if (ret) {
1603 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n");
1604 return ret;
1605 }
1606
1607 /*
1608 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
1609 * pool location.
1610 */
1611 ret = smu_notify_memory_pool_location(smu);
1612 if (ret) {
1613 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n");
1614 return ret;
1615 }
1616
1617 /*
1618 * It is assumed the pptable used before runpm is same as
1619 * the one used afterwards. Thus, we can reuse the stored
1620 * copy and do not need to resetup the pptable again.
1621 */
1622 if (!adev->in_runpm) {
1623 ret = smu_setup_pptable(smu);
1624 if (ret) {
1625 dev_err(adev->dev, "Failed to setup pptable!\n");
1626 return ret;
1627 }
1628 }
1629
1630 /* smu_dump_pptable(smu); */
1631
1632 /*
1633 * With SCPM enabled, PSP is responsible for the PPTable transferring
1634 * (to SMU). Driver involvement is not needed and permitted.
1635 */
1636 if (!adev->scpm_enabled) {
1637 /*
1638 * Copy pptable bo in the vram to smc with SMU MSGs such as
1639 * SetDriverDramAddr and TransferTableDram2Smu.
1640 */
1641 ret = smu_write_pptable(smu);
1642 if (ret) {
1643 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n");
1644 return ret;
1645 }
1646 }
1647
1648 /* issue Run*Btc msg */
1649 ret = smu_run_btc(smu);
1650 if (ret)
1651 return ret;
1652
1653 /* Enable UclkShadow on wbrf supported */
1654 if (smu->wbrf_supported) {
1655 ret = smu_enable_uclk_shadow(smu, true);
1656 if (ret) {
1657 dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n");
1658 return ret;
1659 }
1660 }
1661
1662 /*
1663 * With SCPM enabled, these actions(and relevant messages) are
1664 * not needed and permitted.
1665 */
1666 if (!adev->scpm_enabled) {
1667 ret = smu_feature_set_allowed_mask(smu);
1668 if (ret) {
1669 dev_err(adev->dev, "Failed to set driver allowed features mask!\n");
1670 return ret;
1671 }
1672 }
1673
1674 ret = smu_system_features_control(smu, true);
1675 if (ret) {
1676 dev_err(adev->dev, "Failed to enable requested dpm features!\n");
1677 return ret;
1678 }
1679
1680 smu_init_xgmi_plpd_mode(smu);
1681
1682 ret = smu_feature_get_enabled_mask(smu, &features_supported);
1683 if (ret) {
1684 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
1685 return ret;
1686 }
1687 bitmap_copy(feature->supported,
1688 (unsigned long *)&features_supported,
1689 feature->feature_num);
1690
1691 if (!smu_is_dpm_running(smu))
1692 dev_info(adev->dev, "dpm has been disabled\n");
1693
1694 /*
1695 * Set initialized values (get from vbios) to dpm tables context such as
1696 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
1697 * type of clks.
1698 */
1699 ret = smu_set_default_dpm_table(smu);
1700 if (ret) {
1701 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n");
1702 return ret;
1703 }
1704
1705 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
1706 pcie_gen = 3;
1707 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1708 pcie_gen = 2;
1709 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1710 pcie_gen = 1;
1711 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
1712 pcie_gen = 0;
1713
1714 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
1715 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
1716 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32
1717 */
1718 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
1719 pcie_width = 6;
1720 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
1721 pcie_width = 5;
1722 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
1723 pcie_width = 4;
1724 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
1725 pcie_width = 3;
1726 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
1727 pcie_width = 2;
1728 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
1729 pcie_width = 1;
1730 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width);
1731 if (ret) {
1732 dev_err(adev->dev, "Attempt to override pcie params failed!\n");
1733 return ret;
1734 }
1735
1736 ret = smu_get_thermal_temperature_range(smu);
1737 if (ret) {
1738 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n");
1739 return ret;
1740 }
1741
1742 ret = smu_enable_thermal_alert(smu);
1743 if (ret) {
1744 dev_err(adev->dev, "Failed to enable thermal alert!\n");
1745 return ret;
1746 }
1747
1748 ret = smu_notify_display_change(smu);
1749 if (ret) {
1750 dev_err(adev->dev, "Failed to notify display change!\n");
1751 return ret;
1752 }
1753
1754 /*
1755 * Set min deep sleep dce fclk with bootup value from vbios via
1756 * SetMinDeepSleepDcefclk MSG.
1757 */
1758 ret = smu_set_min_dcef_deep_sleep(smu,
1759 smu->smu_table.boot_values.dcefclk / 100);
1760 if (ret) {
1761 dev_err(adev->dev, "Error setting min deepsleep dcefclk\n");
1762 return ret;
1763 }
1764
1765 /* Init wbrf support. Properly setup the notifier */
1766 ret = smu_wbrf_init(smu);
1767 if (ret)
1768 dev_err(adev->dev, "Error during wbrf init call\n");
1769
1770 return ret;
1771 }
1772
smu_start_smc_engine(struct smu_context * smu)1773 static int smu_start_smc_engine(struct smu_context *smu)
1774 {
1775 struct amdgpu_device *adev = smu->adev;
1776 int ret = 0;
1777
1778 smu->smc_fw_state = SMU_FW_INIT;
1779
1780 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1781 if (amdgpu_ip_version(adev, MP1_HWIP, 0) < IP_VERSION(11, 0, 0)) {
1782 if (smu->ppt_funcs->load_microcode) {
1783 ret = smu->ppt_funcs->load_microcode(smu);
1784 if (ret)
1785 return ret;
1786 }
1787 }
1788 }
1789
1790 if (smu->ppt_funcs->check_fw_status) {
1791 ret = smu->ppt_funcs->check_fw_status(smu);
1792 if (ret) {
1793 dev_err(adev->dev, "SMC is not ready\n");
1794 return ret;
1795 }
1796 }
1797
1798 /*
1799 * Send msg GetDriverIfVersion to check if the return value is equal
1800 * with DRIVER_IF_VERSION of smc header.
1801 */
1802 ret = smu_check_fw_version(smu);
1803 if (ret)
1804 return ret;
1805
1806 return ret;
1807 }
1808
smu_hw_init(void * handle)1809 static int smu_hw_init(void *handle)
1810 {
1811 int ret;
1812 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1813 struct smu_context *smu = adev->powerplay.pp_handle;
1814
1815 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
1816 smu->pm_enabled = false;
1817 return 0;
1818 }
1819
1820 ret = smu_start_smc_engine(smu);
1821 if (ret) {
1822 dev_err(adev->dev, "SMC engine is not correctly up!\n");
1823 return ret;
1824 }
1825
1826 /*
1827 * Check whether wbrf is supported. This needs to be done
1828 * before SMU setup starts since part of SMU configuration
1829 * relies on this.
1830 */
1831 smu_wbrf_support_check(smu);
1832
1833 if (smu->is_apu) {
1834 ret = smu_set_gfx_imu_enable(smu);
1835 if (ret)
1836 return ret;
1837 smu_dpm_set_vcn_enable(smu, true);
1838 smu_dpm_set_jpeg_enable(smu, true);
1839 smu_dpm_set_vpe_enable(smu, true);
1840 smu_dpm_set_umsch_mm_enable(smu, true);
1841 smu_set_mall_enable(smu);
1842 smu_set_gfx_cgpg(smu, true);
1843 }
1844
1845 if (!smu->pm_enabled)
1846 return 0;
1847
1848 ret = smu_get_driver_allowed_feature_mask(smu);
1849 if (ret)
1850 return ret;
1851
1852 ret = smu_smc_hw_setup(smu);
1853 if (ret) {
1854 dev_err(adev->dev, "Failed to setup smc hw!\n");
1855 return ret;
1856 }
1857
1858 /*
1859 * Move maximum sustainable clock retrieving here considering
1860 * 1. It is not needed on resume(from S3).
1861 * 2. DAL settings come between .hw_init and .late_init of SMU.
1862 * And DAL needs to know the maximum sustainable clocks. Thus
1863 * it cannot be put in .late_init().
1864 */
1865 ret = smu_init_max_sustainable_clocks(smu);
1866 if (ret) {
1867 dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
1868 return ret;
1869 }
1870
1871 adev->pm.dpm_enabled = true;
1872
1873 dev_info(adev->dev, "SMU is initialized successfully!\n");
1874
1875 return 0;
1876 }
1877
smu_disable_dpms(struct smu_context * smu)1878 static int smu_disable_dpms(struct smu_context *smu)
1879 {
1880 struct amdgpu_device *adev = smu->adev;
1881 int ret = 0;
1882 bool use_baco = !smu->is_apu &&
1883 ((amdgpu_in_reset(adev) &&
1884 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
1885 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
1886
1887 /*
1888 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
1889 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
1890 */
1891 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1892 case IP_VERSION(13, 0, 0):
1893 case IP_VERSION(13, 0, 7):
1894 case IP_VERSION(13, 0, 10):
1895 case IP_VERSION(14, 0, 2):
1896 case IP_VERSION(14, 0, 3):
1897 return 0;
1898 default:
1899 break;
1900 }
1901
1902 /*
1903 * For custom pptable uploading, skip the DPM features
1904 * disable process on Navi1x ASICs.
1905 * - As the gfx related features are under control of
1906 * RLC on those ASICs. RLC reinitialization will be
1907 * needed to reenable them. That will cost much more
1908 * efforts.
1909 *
1910 * - SMU firmware can handle the DPM reenablement
1911 * properly.
1912 */
1913 if (smu->uploading_custom_pp_table) {
1914 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1915 case IP_VERSION(11, 0, 0):
1916 case IP_VERSION(11, 0, 5):
1917 case IP_VERSION(11, 0, 9):
1918 case IP_VERSION(11, 0, 7):
1919 case IP_VERSION(11, 0, 11):
1920 case IP_VERSION(11, 5, 0):
1921 case IP_VERSION(11, 0, 12):
1922 case IP_VERSION(11, 0, 13):
1923 return 0;
1924 default:
1925 break;
1926 }
1927 }
1928
1929 /*
1930 * For Sienna_Cichlid, PMFW will handle the features disablement properly
1931 * on BACO in. Driver involvement is unnecessary.
1932 */
1933 if (use_baco) {
1934 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
1935 case IP_VERSION(11, 0, 7):
1936 case IP_VERSION(11, 0, 0):
1937 case IP_VERSION(11, 0, 5):
1938 case IP_VERSION(11, 0, 9):
1939 case IP_VERSION(13, 0, 7):
1940 return 0;
1941 default:
1942 break;
1943 }
1944 }
1945
1946 /*
1947 * For GFX11 and subsequent APUs, PMFW will handle the features disablement properly
1948 * for gpu reset and S0i3 cases. Driver involvement is unnecessary.
1949 */
1950 if (IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) >= 11 &&
1951 smu->is_apu && (amdgpu_in_reset(adev) || adev->in_s0ix))
1952 return 0;
1953
1954 /*
1955 * For gpu reset, runpm and hibernation through BACO,
1956 * BACO feature has to be kept enabled.
1957 */
1958 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) {
1959 ret = smu_disable_all_features_with_exception(smu,
1960 SMU_FEATURE_BACO_BIT);
1961 if (ret)
1962 dev_err(adev->dev, "Failed to disable smu features except BACO.\n");
1963 } else {
1964 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */
1965 if (!adev->scpm_enabled) {
1966 ret = smu_system_features_control(smu, false);
1967 if (ret)
1968 dev_err(adev->dev, "Failed to disable smu features.\n");
1969 }
1970 }
1971
1972 /* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
1973 * otherwise SMU will hang while interacting with RLC if RLC is halted
1974 * this is a WA for Vangogh asic which fix the SMU hang issue.
1975 */
1976 ret = smu_notify_rlc_state(smu, false);
1977 if (ret) {
1978 dev_err(adev->dev, "Fail to notify rlc status!\n");
1979 return ret;
1980 }
1981
1982 if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
1983 !((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
1984 !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
1985 adev->gfx.rlc.funcs->stop(adev);
1986
1987 return ret;
1988 }
1989
smu_smc_hw_cleanup(struct smu_context * smu)1990 static int smu_smc_hw_cleanup(struct smu_context *smu)
1991 {
1992 struct amdgpu_device *adev = smu->adev;
1993 int ret = 0;
1994
1995 smu_wbrf_fini(smu);
1996
1997 cancel_work_sync(&smu->throttling_logging_work);
1998 cancel_work_sync(&smu->interrupt_work);
1999
2000 ret = smu_disable_thermal_alert(smu);
2001 if (ret) {
2002 dev_err(adev->dev, "Fail to disable thermal alert!\n");
2003 return ret;
2004 }
2005
2006 cancel_delayed_work_sync(&smu->swctf_delayed_work);
2007
2008 ret = smu_disable_dpms(smu);
2009 if (ret) {
2010 dev_err(adev->dev, "Fail to disable dpm features!\n");
2011 return ret;
2012 }
2013
2014 return 0;
2015 }
2016
smu_reset_mp1_state(struct smu_context * smu)2017 static int smu_reset_mp1_state(struct smu_context *smu)
2018 {
2019 struct amdgpu_device *adev = smu->adev;
2020 int ret = 0;
2021
2022 if ((!adev->in_runpm) && (!adev->in_suspend) &&
2023 (!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
2024 IP_VERSION(13, 0, 10) &&
2025 !amdgpu_device_has_display_hardware(adev))
2026 ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
2027
2028 return ret;
2029 }
2030
smu_hw_fini(void * handle)2031 static int smu_hw_fini(void *handle)
2032 {
2033 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2034 struct smu_context *smu = adev->powerplay.pp_handle;
2035 int ret;
2036
2037 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2038 return 0;
2039
2040 smu_dpm_set_vcn_enable(smu, false);
2041 smu_dpm_set_jpeg_enable(smu, false);
2042 smu_dpm_set_vpe_enable(smu, false);
2043 smu_dpm_set_umsch_mm_enable(smu, false);
2044
2045 adev->vcn.cur_state = AMD_PG_STATE_GATE;
2046 adev->jpeg.cur_state = AMD_PG_STATE_GATE;
2047
2048 if (!smu->pm_enabled)
2049 return 0;
2050
2051 adev->pm.dpm_enabled = false;
2052
2053 ret = smu_smc_hw_cleanup(smu);
2054 if (ret)
2055 return ret;
2056
2057 ret = smu_reset_mp1_state(smu);
2058 if (ret)
2059 return ret;
2060
2061 return 0;
2062 }
2063
smu_late_fini(void * handle)2064 static void smu_late_fini(void *handle)
2065 {
2066 struct amdgpu_device *adev = handle;
2067 struct smu_context *smu = adev->powerplay.pp_handle;
2068
2069 kfree(smu);
2070 }
2071
smu_reset(struct smu_context * smu)2072 static int smu_reset(struct smu_context *smu)
2073 {
2074 struct amdgpu_device *adev = smu->adev;
2075 int ret;
2076
2077 ret = smu_hw_fini(adev);
2078 if (ret)
2079 return ret;
2080
2081 ret = smu_hw_init(adev);
2082 if (ret)
2083 return ret;
2084
2085 ret = smu_late_init(adev);
2086 if (ret)
2087 return ret;
2088
2089 return 0;
2090 }
2091
smu_suspend(void * handle)2092 static int smu_suspend(void *handle)
2093 {
2094 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2095 struct smu_context *smu = adev->powerplay.pp_handle;
2096 int ret;
2097 uint64_t count;
2098
2099 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
2100 return 0;
2101
2102 if (!smu->pm_enabled)
2103 return 0;
2104
2105 adev->pm.dpm_enabled = false;
2106
2107 ret = smu_smc_hw_cleanup(smu);
2108 if (ret)
2109 return ret;
2110
2111 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
2112
2113 smu_set_gfx_cgpg(smu, false);
2114
2115 /*
2116 * pwfw resets entrycount when device is suspended, so we save the
2117 * last value to be used when we resume to keep it consistent
2118 */
2119 ret = smu_get_entrycount_gfxoff(smu, &count);
2120 if (!ret)
2121 adev->gfx.gfx_off_entrycount = count;
2122
2123 return 0;
2124 }
2125
smu_resume(void * handle)2126 static int smu_resume(void *handle)
2127 {
2128 int ret;
2129 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2130 struct smu_context *smu = adev->powerplay.pp_handle;
2131
2132 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
2133 return 0;
2134
2135 if (!smu->pm_enabled)
2136 return 0;
2137
2138 dev_info(adev->dev, "SMU is resuming...\n");
2139
2140 ret = smu_start_smc_engine(smu);
2141 if (ret) {
2142 dev_err(adev->dev, "SMC engine is not correctly up!\n");
2143 return ret;
2144 }
2145
2146 ret = smu_smc_hw_setup(smu);
2147 if (ret) {
2148 dev_err(adev->dev, "Failed to setup smc hw!\n");
2149 return ret;
2150 }
2151
2152 ret = smu_set_gfx_imu_enable(smu);
2153 if (ret)
2154 return ret;
2155
2156 smu_set_gfx_cgpg(smu, true);
2157
2158 smu->disable_uclk_switch = 0;
2159
2160 adev->pm.dpm_enabled = true;
2161
2162 dev_info(adev->dev, "SMU is resumed successfully!\n");
2163
2164 return 0;
2165 }
2166
smu_display_configuration_change(void * handle,const struct amd_pp_display_configuration * display_config)2167 static int smu_display_configuration_change(void *handle,
2168 const struct amd_pp_display_configuration *display_config)
2169 {
2170 struct smu_context *smu = handle;
2171
2172 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2173 return -EOPNOTSUPP;
2174
2175 if (!display_config)
2176 return -EINVAL;
2177
2178 smu_set_min_dcef_deep_sleep(smu,
2179 display_config->min_dcef_deep_sleep_set_clk / 100);
2180
2181 return 0;
2182 }
2183
smu_set_clockgating_state(void * handle,enum amd_clockgating_state state)2184 static int smu_set_clockgating_state(void *handle,
2185 enum amd_clockgating_state state)
2186 {
2187 return 0;
2188 }
2189
smu_set_powergating_state(void * handle,enum amd_powergating_state state)2190 static int smu_set_powergating_state(void *handle,
2191 enum amd_powergating_state state)
2192 {
2193 return 0;
2194 }
2195
smu_enable_umd_pstate(void * handle,enum amd_dpm_forced_level * level)2196 static int smu_enable_umd_pstate(void *handle,
2197 enum amd_dpm_forced_level *level)
2198 {
2199 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
2200 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
2201 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
2202 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
2203
2204 struct smu_context *smu = (struct smu_context*)(handle);
2205 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2206
2207 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2208 return -EINVAL;
2209
2210 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
2211 /* enter umd pstate, save current level, disable gfx cg*/
2212 if (*level & profile_mode_mask) {
2213 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
2214 smu_gpo_control(smu, false);
2215 smu_gfx_ulv_control(smu, false);
2216 smu_deep_sleep_control(smu, false);
2217 amdgpu_asic_update_umd_stable_pstate(smu->adev, true);
2218 }
2219 } else {
2220 /* exit umd pstate, restore level, enable gfx cg*/
2221 if (!(*level & profile_mode_mask)) {
2222 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
2223 *level = smu_dpm_ctx->saved_dpm_level;
2224 amdgpu_asic_update_umd_stable_pstate(smu->adev, false);
2225 smu_deep_sleep_control(smu, true);
2226 smu_gfx_ulv_control(smu, true);
2227 smu_gpo_control(smu, true);
2228 }
2229 }
2230
2231 return 0;
2232 }
2233
smu_bump_power_profile_mode(struct smu_context * smu,long * param,uint32_t param_size)2234 static int smu_bump_power_profile_mode(struct smu_context *smu,
2235 long *param,
2236 uint32_t param_size)
2237 {
2238 int ret = 0;
2239
2240 if (smu->ppt_funcs->set_power_profile_mode)
2241 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size);
2242
2243 return ret;
2244 }
2245
smu_adjust_power_state_dynamic(struct smu_context * smu,enum amd_dpm_forced_level level,bool skip_display_settings,bool init)2246 static int smu_adjust_power_state_dynamic(struct smu_context *smu,
2247 enum amd_dpm_forced_level level,
2248 bool skip_display_settings,
2249 bool init)
2250 {
2251 int ret = 0;
2252 int index = 0;
2253 long workload[1];
2254 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2255
2256 if (!skip_display_settings) {
2257 ret = smu_display_config_changed(smu);
2258 if (ret) {
2259 dev_err(smu->adev->dev, "Failed to change display config!");
2260 return ret;
2261 }
2262 }
2263
2264 ret = smu_apply_clocks_adjust_rules(smu);
2265 if (ret) {
2266 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!");
2267 return ret;
2268 }
2269
2270 if (!skip_display_settings) {
2271 ret = smu_notify_smc_display_config(smu);
2272 if (ret) {
2273 dev_err(smu->adev->dev, "Failed to notify smc display config!");
2274 return ret;
2275 }
2276 }
2277
2278 if (smu_dpm_ctx->dpm_level != level) {
2279 ret = smu_asic_set_performance_level(smu, level);
2280 if (ret) {
2281 dev_err(smu->adev->dev, "Failed to set performance level!");
2282 return ret;
2283 }
2284
2285 /* update the saved copy */
2286 smu_dpm_ctx->dpm_level = level;
2287 }
2288
2289 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2290 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
2291 index = fls(smu->workload_mask);
2292 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2293 workload[0] = smu->workload_setting[index];
2294
2295 if (init || smu->power_profile_mode != workload[0])
2296 smu_bump_power_profile_mode(smu, workload, 0);
2297 }
2298
2299 return ret;
2300 }
2301
smu_handle_task(struct smu_context * smu,enum amd_dpm_forced_level level,enum amd_pp_task task_id)2302 static int smu_handle_task(struct smu_context *smu,
2303 enum amd_dpm_forced_level level,
2304 enum amd_pp_task task_id)
2305 {
2306 int ret = 0;
2307
2308 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2309 return -EOPNOTSUPP;
2310
2311 switch (task_id) {
2312 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
2313 ret = smu_pre_display_config_changed(smu);
2314 if (ret)
2315 return ret;
2316 ret = smu_adjust_power_state_dynamic(smu, level, false, false);
2317 break;
2318 case AMD_PP_TASK_COMPLETE_INIT:
2319 ret = smu_adjust_power_state_dynamic(smu, level, true, true);
2320 break;
2321 case AMD_PP_TASK_READJUST_POWER_STATE:
2322 ret = smu_adjust_power_state_dynamic(smu, level, true, false);
2323 break;
2324 default:
2325 break;
2326 }
2327
2328 return ret;
2329 }
2330
smu_handle_dpm_task(void * handle,enum amd_pp_task task_id,enum amd_pm_state_type * user_state)2331 static int smu_handle_dpm_task(void *handle,
2332 enum amd_pp_task task_id,
2333 enum amd_pm_state_type *user_state)
2334 {
2335 struct smu_context *smu = handle;
2336 struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
2337
2338 return smu_handle_task(smu, smu_dpm->dpm_level, task_id);
2339
2340 }
2341
smu_switch_power_profile(void * handle,enum PP_SMC_POWER_PROFILE type,bool en)2342 static int smu_switch_power_profile(void *handle,
2343 enum PP_SMC_POWER_PROFILE type,
2344 bool en)
2345 {
2346 struct smu_context *smu = handle;
2347 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2348 long workload[1];
2349 uint32_t index;
2350
2351 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2352 return -EOPNOTSUPP;
2353
2354 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
2355 return -EINVAL;
2356
2357 if (!en) {
2358 smu->driver_workload_mask &= ~(1 << smu->workload_priority[type]);
2359 index = fls(smu->workload_mask);
2360 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2361 workload[0] = smu->workload_setting[index];
2362 } else {
2363 smu->driver_workload_mask |= (1 << smu->workload_priority[type]);
2364 index = fls(smu->workload_mask);
2365 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
2366 workload[0] = smu->workload_setting[index];
2367 }
2368
2369 smu->workload_mask = smu->driver_workload_mask |
2370 smu->user_dpm_profile.user_workload_mask;
2371
2372 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
2373 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM)
2374 smu_bump_power_profile_mode(smu, workload, 0);
2375
2376 return 0;
2377 }
2378
smu_get_performance_level(void * handle)2379 static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
2380 {
2381 struct smu_context *smu = handle;
2382 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2383
2384 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2385 return -EOPNOTSUPP;
2386
2387 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2388 return -EINVAL;
2389
2390 return smu_dpm_ctx->dpm_level;
2391 }
2392
smu_force_performance_level(void * handle,enum amd_dpm_forced_level level)2393 static int smu_force_performance_level(void *handle,
2394 enum amd_dpm_forced_level level)
2395 {
2396 struct smu_context *smu = handle;
2397 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2398 int ret = 0;
2399
2400 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2401 return -EOPNOTSUPP;
2402
2403 if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
2404 return -EINVAL;
2405
2406 ret = smu_enable_umd_pstate(smu, &level);
2407 if (ret)
2408 return ret;
2409
2410 ret = smu_handle_task(smu, level,
2411 AMD_PP_TASK_READJUST_POWER_STATE);
2412
2413 /* reset user dpm clock state */
2414 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2415 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask));
2416 smu->user_dpm_profile.clk_dependency = 0;
2417 }
2418
2419 return ret;
2420 }
2421
smu_set_display_count(void * handle,uint32_t count)2422 static int smu_set_display_count(void *handle, uint32_t count)
2423 {
2424 struct smu_context *smu = handle;
2425
2426 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2427 return -EOPNOTSUPP;
2428
2429 return smu_init_display_count(smu, count);
2430 }
2431
smu_force_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,uint32_t mask)2432 static int smu_force_smuclk_levels(struct smu_context *smu,
2433 enum smu_clk_type clk_type,
2434 uint32_t mask)
2435 {
2436 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
2437 int ret = 0;
2438
2439 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2440 return -EOPNOTSUPP;
2441
2442 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
2443 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n");
2444 return -EINVAL;
2445 }
2446
2447 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) {
2448 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask);
2449 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2450 smu->user_dpm_profile.clk_mask[clk_type] = mask;
2451 smu_set_user_clk_dependencies(smu, clk_type);
2452 }
2453 }
2454
2455 return ret;
2456 }
2457
smu_force_ppclk_levels(void * handle,enum pp_clock_type type,uint32_t mask)2458 static int smu_force_ppclk_levels(void *handle,
2459 enum pp_clock_type type,
2460 uint32_t mask)
2461 {
2462 struct smu_context *smu = handle;
2463 enum smu_clk_type clk_type;
2464
2465 switch (type) {
2466 case PP_SCLK:
2467 clk_type = SMU_SCLK; break;
2468 case PP_MCLK:
2469 clk_type = SMU_MCLK; break;
2470 case PP_PCIE:
2471 clk_type = SMU_PCIE; break;
2472 case PP_SOCCLK:
2473 clk_type = SMU_SOCCLK; break;
2474 case PP_FCLK:
2475 clk_type = SMU_FCLK; break;
2476 case PP_DCEFCLK:
2477 clk_type = SMU_DCEFCLK; break;
2478 case PP_VCLK:
2479 clk_type = SMU_VCLK; break;
2480 case PP_VCLK1:
2481 clk_type = SMU_VCLK1; break;
2482 case PP_DCLK:
2483 clk_type = SMU_DCLK; break;
2484 case PP_DCLK1:
2485 clk_type = SMU_DCLK1; break;
2486 case OD_SCLK:
2487 clk_type = SMU_OD_SCLK; break;
2488 case OD_MCLK:
2489 clk_type = SMU_OD_MCLK; break;
2490 case OD_VDDC_CURVE:
2491 clk_type = SMU_OD_VDDC_CURVE; break;
2492 case OD_RANGE:
2493 clk_type = SMU_OD_RANGE; break;
2494 default:
2495 return -EINVAL;
2496 }
2497
2498 return smu_force_smuclk_levels(smu, clk_type, mask);
2499 }
2500
2501 /*
2502 * On system suspending or resetting, the dpm_enabled
2503 * flag will be cleared. So that those SMU services which
2504 * are not supported will be gated.
2505 * However, the mp1 state setting should still be granted
2506 * even if the dpm_enabled cleared.
2507 */
smu_set_mp1_state(void * handle,enum pp_mp1_state mp1_state)2508 static int smu_set_mp1_state(void *handle,
2509 enum pp_mp1_state mp1_state)
2510 {
2511 struct smu_context *smu = handle;
2512 int ret = 0;
2513
2514 if (!smu->pm_enabled)
2515 return -EOPNOTSUPP;
2516
2517 if (smu->ppt_funcs &&
2518 smu->ppt_funcs->set_mp1_state)
2519 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state);
2520
2521 return ret;
2522 }
2523
smu_set_df_cstate(void * handle,enum pp_df_cstate state)2524 static int smu_set_df_cstate(void *handle,
2525 enum pp_df_cstate state)
2526 {
2527 struct smu_context *smu = handle;
2528 int ret = 0;
2529
2530 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2531 return -EOPNOTSUPP;
2532
2533 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
2534 return 0;
2535
2536 ret = smu->ppt_funcs->set_df_cstate(smu, state);
2537 if (ret)
2538 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n");
2539
2540 return ret;
2541 }
2542
smu_write_watermarks_table(struct smu_context * smu)2543 int smu_write_watermarks_table(struct smu_context *smu)
2544 {
2545 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2546 return -EOPNOTSUPP;
2547
2548 return smu_set_watermarks_table(smu, NULL);
2549 }
2550
smu_set_watermarks_for_clock_ranges(void * handle,struct pp_smu_wm_range_sets * clock_ranges)2551 static int smu_set_watermarks_for_clock_ranges(void *handle,
2552 struct pp_smu_wm_range_sets *clock_ranges)
2553 {
2554 struct smu_context *smu = handle;
2555
2556 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2557 return -EOPNOTSUPP;
2558
2559 if (smu->disable_watermark)
2560 return 0;
2561
2562 return smu_set_watermarks_table(smu, clock_ranges);
2563 }
2564
smu_set_ac_dc(struct smu_context * smu)2565 int smu_set_ac_dc(struct smu_context *smu)
2566 {
2567 int ret = 0;
2568
2569 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2570 return -EOPNOTSUPP;
2571
2572 /* controlled by firmware */
2573 if (smu->dc_controlled_by_gpio)
2574 return 0;
2575
2576 ret = smu_set_power_source(smu,
2577 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
2578 SMU_POWER_SOURCE_DC);
2579 if (ret)
2580 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n",
2581 smu->adev->pm.ac_power ? "AC" : "DC");
2582
2583 return ret;
2584 }
2585
2586 const struct amd_ip_funcs smu_ip_funcs = {
2587 .name = "smu",
2588 .early_init = smu_early_init,
2589 .late_init = smu_late_init,
2590 .sw_init = smu_sw_init,
2591 .sw_fini = smu_sw_fini,
2592 .hw_init = smu_hw_init,
2593 .hw_fini = smu_hw_fini,
2594 .late_fini = smu_late_fini,
2595 .suspend = smu_suspend,
2596 .resume = smu_resume,
2597 .is_idle = NULL,
2598 .check_soft_reset = NULL,
2599 .wait_for_idle = NULL,
2600 .soft_reset = NULL,
2601 .set_clockgating_state = smu_set_clockgating_state,
2602 .set_powergating_state = smu_set_powergating_state,
2603 };
2604
2605 const struct amdgpu_ip_block_version smu_v11_0_ip_block = {
2606 .type = AMD_IP_BLOCK_TYPE_SMC,
2607 .major = 11,
2608 .minor = 0,
2609 .rev = 0,
2610 .funcs = &smu_ip_funcs,
2611 };
2612
2613 const struct amdgpu_ip_block_version smu_v12_0_ip_block = {
2614 .type = AMD_IP_BLOCK_TYPE_SMC,
2615 .major = 12,
2616 .minor = 0,
2617 .rev = 0,
2618 .funcs = &smu_ip_funcs,
2619 };
2620
2621 const struct amdgpu_ip_block_version smu_v13_0_ip_block = {
2622 .type = AMD_IP_BLOCK_TYPE_SMC,
2623 .major = 13,
2624 .minor = 0,
2625 .rev = 0,
2626 .funcs = &smu_ip_funcs,
2627 };
2628
2629 const struct amdgpu_ip_block_version smu_v14_0_ip_block = {
2630 .type = AMD_IP_BLOCK_TYPE_SMC,
2631 .major = 14,
2632 .minor = 0,
2633 .rev = 0,
2634 .funcs = &smu_ip_funcs,
2635 };
2636
smu_load_microcode(void * handle)2637 static int smu_load_microcode(void *handle)
2638 {
2639 struct smu_context *smu = handle;
2640 struct amdgpu_device *adev = smu->adev;
2641 int ret = 0;
2642
2643 if (!smu->pm_enabled)
2644 return -EOPNOTSUPP;
2645
2646 /* This should be used for non PSP loading */
2647 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
2648 return 0;
2649
2650 if (smu->ppt_funcs->load_microcode) {
2651 ret = smu->ppt_funcs->load_microcode(smu);
2652 if (ret) {
2653 dev_err(adev->dev, "Load microcode failed\n");
2654 return ret;
2655 }
2656 }
2657
2658 if (smu->ppt_funcs->check_fw_status) {
2659 ret = smu->ppt_funcs->check_fw_status(smu);
2660 if (ret) {
2661 dev_err(adev->dev, "SMC is not ready\n");
2662 return ret;
2663 }
2664 }
2665
2666 return ret;
2667 }
2668
smu_set_gfx_cgpg(struct smu_context * smu,bool enabled)2669 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
2670 {
2671 int ret = 0;
2672
2673 if (smu->ppt_funcs->set_gfx_cgpg)
2674 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled);
2675
2676 return ret;
2677 }
2678
smu_set_fan_speed_rpm(void * handle,uint32_t speed)2679 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed)
2680 {
2681 struct smu_context *smu = handle;
2682 int ret = 0;
2683
2684 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2685 return -EOPNOTSUPP;
2686
2687 if (!smu->ppt_funcs->set_fan_speed_rpm)
2688 return -EOPNOTSUPP;
2689
2690 if (speed == U32_MAX)
2691 return -EINVAL;
2692
2693 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed);
2694 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
2695 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM;
2696 smu->user_dpm_profile.fan_speed_rpm = speed;
2697
2698 /* Override custom PWM setting as they cannot co-exist */
2699 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM;
2700 smu->user_dpm_profile.fan_speed_pwm = 0;
2701 }
2702
2703 return ret;
2704 }
2705
2706 /**
2707 * smu_get_power_limit - Request one of the SMU Power Limits
2708 *
2709 * @handle: pointer to smu context
2710 * @limit: requested limit is written back to this variable
2711 * @pp_limit_level: &pp_power_limit_level which limit of the power to return
2712 * @pp_power_type: &pp_power_type type of power
2713 * Return: 0 on success, <0 on error
2714 *
2715 */
smu_get_power_limit(void * handle,uint32_t * limit,enum pp_power_limit_level pp_limit_level,enum pp_power_type pp_power_type)2716 int smu_get_power_limit(void *handle,
2717 uint32_t *limit,
2718 enum pp_power_limit_level pp_limit_level,
2719 enum pp_power_type pp_power_type)
2720 {
2721 struct smu_context *smu = handle;
2722 struct amdgpu_device *adev = smu->adev;
2723 enum smu_ppt_limit_level limit_level;
2724 uint32_t limit_type;
2725 int ret = 0;
2726
2727 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2728 return -EOPNOTSUPP;
2729
2730 switch (pp_power_type) {
2731 case PP_PWR_TYPE_SUSTAINED:
2732 limit_type = SMU_DEFAULT_PPT_LIMIT;
2733 break;
2734 case PP_PWR_TYPE_FAST:
2735 limit_type = SMU_FAST_PPT_LIMIT;
2736 break;
2737 default:
2738 return -EOPNOTSUPP;
2739 }
2740
2741 switch (pp_limit_level) {
2742 case PP_PWR_LIMIT_CURRENT:
2743 limit_level = SMU_PPT_LIMIT_CURRENT;
2744 break;
2745 case PP_PWR_LIMIT_DEFAULT:
2746 limit_level = SMU_PPT_LIMIT_DEFAULT;
2747 break;
2748 case PP_PWR_LIMIT_MAX:
2749 limit_level = SMU_PPT_LIMIT_MAX;
2750 break;
2751 case PP_PWR_LIMIT_MIN:
2752 limit_level = SMU_PPT_LIMIT_MIN;
2753 break;
2754 default:
2755 return -EOPNOTSUPP;
2756 }
2757
2758 if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
2759 if (smu->ppt_funcs->get_ppt_limit)
2760 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
2761 } else {
2762 switch (limit_level) {
2763 case SMU_PPT_LIMIT_CURRENT:
2764 switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
2765 case IP_VERSION(13, 0, 2):
2766 case IP_VERSION(13, 0, 6):
2767 case IP_VERSION(13, 0, 14):
2768 case IP_VERSION(11, 0, 7):
2769 case IP_VERSION(11, 0, 11):
2770 case IP_VERSION(11, 0, 12):
2771 case IP_VERSION(11, 0, 13):
2772 ret = smu_get_asic_power_limits(smu,
2773 &smu->current_power_limit,
2774 NULL, NULL, NULL);
2775 break;
2776 default:
2777 break;
2778 }
2779 *limit = smu->current_power_limit;
2780 break;
2781 case SMU_PPT_LIMIT_DEFAULT:
2782 *limit = smu->default_power_limit;
2783 break;
2784 case SMU_PPT_LIMIT_MAX:
2785 *limit = smu->max_power_limit;
2786 break;
2787 case SMU_PPT_LIMIT_MIN:
2788 *limit = smu->min_power_limit;
2789 break;
2790 default:
2791 return -EINVAL;
2792 }
2793 }
2794
2795 return ret;
2796 }
2797
smu_set_power_limit(void * handle,uint32_t limit)2798 static int smu_set_power_limit(void *handle, uint32_t limit)
2799 {
2800 struct smu_context *smu = handle;
2801 uint32_t limit_type = limit >> 24;
2802 int ret = 0;
2803
2804 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2805 return -EOPNOTSUPP;
2806
2807 limit &= (1<<24)-1;
2808 if (limit_type != SMU_DEFAULT_PPT_LIMIT)
2809 if (smu->ppt_funcs->set_power_limit)
2810 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2811
2812 if ((limit > smu->max_power_limit) || (limit < smu->min_power_limit)) {
2813 dev_err(smu->adev->dev,
2814 "New power limit (%d) is out of range [%d,%d]\n",
2815 limit, smu->min_power_limit, smu->max_power_limit);
2816 return -EINVAL;
2817 }
2818
2819 if (!limit)
2820 limit = smu->current_power_limit;
2821
2822 if (smu->ppt_funcs->set_power_limit) {
2823 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit);
2824 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE))
2825 smu->user_dpm_profile.power_limit = limit;
2826 }
2827
2828 return ret;
2829 }
2830
smu_print_smuclk_levels(struct smu_context * smu,enum smu_clk_type clk_type,char * buf)2831 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
2832 {
2833 int ret = 0;
2834
2835 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2836 return -EOPNOTSUPP;
2837
2838 if (smu->ppt_funcs->print_clk_levels)
2839 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf);
2840
2841 return ret;
2842 }
2843
smu_convert_to_smuclk(enum pp_clock_type type)2844 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
2845 {
2846 enum smu_clk_type clk_type;
2847
2848 switch (type) {
2849 case PP_SCLK:
2850 clk_type = SMU_SCLK; break;
2851 case PP_MCLK:
2852 clk_type = SMU_MCLK; break;
2853 case PP_PCIE:
2854 clk_type = SMU_PCIE; break;
2855 case PP_SOCCLK:
2856 clk_type = SMU_SOCCLK; break;
2857 case PP_FCLK:
2858 clk_type = SMU_FCLK; break;
2859 case PP_DCEFCLK:
2860 clk_type = SMU_DCEFCLK; break;
2861 case PP_VCLK:
2862 clk_type = SMU_VCLK; break;
2863 case PP_VCLK1:
2864 clk_type = SMU_VCLK1; break;
2865 case PP_DCLK:
2866 clk_type = SMU_DCLK; break;
2867 case PP_DCLK1:
2868 clk_type = SMU_DCLK1; break;
2869 case OD_SCLK:
2870 clk_type = SMU_OD_SCLK; break;
2871 case OD_MCLK:
2872 clk_type = SMU_OD_MCLK; break;
2873 case OD_VDDC_CURVE:
2874 clk_type = SMU_OD_VDDC_CURVE; break;
2875 case OD_RANGE:
2876 clk_type = SMU_OD_RANGE; break;
2877 case OD_VDDGFX_OFFSET:
2878 clk_type = SMU_OD_VDDGFX_OFFSET; break;
2879 case OD_CCLK:
2880 clk_type = SMU_OD_CCLK; break;
2881 case OD_FAN_CURVE:
2882 clk_type = SMU_OD_FAN_CURVE; break;
2883 case OD_ACOUSTIC_LIMIT:
2884 clk_type = SMU_OD_ACOUSTIC_LIMIT; break;
2885 case OD_ACOUSTIC_TARGET:
2886 clk_type = SMU_OD_ACOUSTIC_TARGET; break;
2887 case OD_FAN_TARGET_TEMPERATURE:
2888 clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
2889 case OD_FAN_MINIMUM_PWM:
2890 clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
2891 default:
2892 clk_type = SMU_CLK_COUNT; break;
2893 }
2894
2895 return clk_type;
2896 }
2897
smu_print_ppclk_levels(void * handle,enum pp_clock_type type,char * buf)2898 static int smu_print_ppclk_levels(void *handle,
2899 enum pp_clock_type type,
2900 char *buf)
2901 {
2902 struct smu_context *smu = handle;
2903 enum smu_clk_type clk_type;
2904
2905 clk_type = smu_convert_to_smuclk(type);
2906 if (clk_type == SMU_CLK_COUNT)
2907 return -EINVAL;
2908
2909 return smu_print_smuclk_levels(smu, clk_type, buf);
2910 }
2911
smu_emit_ppclk_levels(void * handle,enum pp_clock_type type,char * buf,int * offset)2912 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset)
2913 {
2914 struct smu_context *smu = handle;
2915 enum smu_clk_type clk_type;
2916
2917 clk_type = smu_convert_to_smuclk(type);
2918 if (clk_type == SMU_CLK_COUNT)
2919 return -EINVAL;
2920
2921 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2922 return -EOPNOTSUPP;
2923
2924 if (!smu->ppt_funcs->emit_clk_levels)
2925 return -ENOENT;
2926
2927 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
2928
2929 }
2930
smu_od_edit_dpm_table(void * handle,enum PP_OD_DPM_TABLE_COMMAND type,long * input,uint32_t size)2931 static int smu_od_edit_dpm_table(void *handle,
2932 enum PP_OD_DPM_TABLE_COMMAND type,
2933 long *input, uint32_t size)
2934 {
2935 struct smu_context *smu = handle;
2936 int ret = 0;
2937
2938 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2939 return -EOPNOTSUPP;
2940
2941 if (smu->ppt_funcs->od_edit_dpm_table) {
2942 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size);
2943 }
2944
2945 return ret;
2946 }
2947
smu_read_sensor(void * handle,int sensor,void * data,int * size_arg)2948 static int smu_read_sensor(void *handle,
2949 int sensor,
2950 void *data,
2951 int *size_arg)
2952 {
2953 struct smu_context *smu = handle;
2954 struct smu_umd_pstate_table *pstate_table =
2955 &smu->pstate_table;
2956 int ret = 0;
2957 uint32_t *size, size_val;
2958
2959 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
2960 return -EOPNOTSUPP;
2961
2962 if (!data || !size_arg)
2963 return -EINVAL;
2964
2965 size_val = *size_arg;
2966 size = &size_val;
2967
2968 if (smu->ppt_funcs->read_sensor)
2969 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
2970 goto unlock;
2971
2972 switch (sensor) {
2973 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
2974 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100;
2975 *size = 4;
2976 break;
2977 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
2978 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100;
2979 *size = 4;
2980 break;
2981 case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK:
2982 *((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100;
2983 *size = 4;
2984 break;
2985 case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK:
2986 *((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100;
2987 *size = 4;
2988 break;
2989 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
2990 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
2991 *size = 8;
2992 break;
2993 case AMDGPU_PP_SENSOR_UVD_POWER:
2994 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
2995 *size = 4;
2996 break;
2997 case AMDGPU_PP_SENSOR_VCE_POWER:
2998 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
2999 *size = 4;
3000 break;
3001 case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
3002 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1;
3003 *size = 4;
3004 break;
3005 case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
3006 *(uint32_t *)data = 0;
3007 *size = 4;
3008 break;
3009 default:
3010 *size = 0;
3011 ret = -EOPNOTSUPP;
3012 break;
3013 }
3014
3015 unlock:
3016 // assign uint32_t to int
3017 *size_arg = size_val;
3018
3019 return ret;
3020 }
3021
smu_get_apu_thermal_limit(void * handle,uint32_t * limit)3022 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit)
3023 {
3024 int ret = -EOPNOTSUPP;
3025 struct smu_context *smu = handle;
3026
3027 if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit)
3028 ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit);
3029
3030 return ret;
3031 }
3032
smu_set_apu_thermal_limit(void * handle,uint32_t limit)3033 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit)
3034 {
3035 int ret = -EOPNOTSUPP;
3036 struct smu_context *smu = handle;
3037
3038 if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit)
3039 ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit);
3040
3041 return ret;
3042 }
3043
smu_get_power_profile_mode(void * handle,char * buf)3044 static int smu_get_power_profile_mode(void *handle, char *buf)
3045 {
3046 struct smu_context *smu = handle;
3047
3048 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3049 !smu->ppt_funcs->get_power_profile_mode)
3050 return -EOPNOTSUPP;
3051 if (!buf)
3052 return -EINVAL;
3053
3054 return smu->ppt_funcs->get_power_profile_mode(smu, buf);
3055 }
3056
smu_set_power_profile_mode(void * handle,long * param,uint32_t param_size)3057 static int smu_set_power_profile_mode(void *handle,
3058 long *param,
3059 uint32_t param_size)
3060 {
3061 struct smu_context *smu = handle;
3062 int ret;
3063
3064 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
3065 !smu->ppt_funcs->set_power_profile_mode)
3066 return -EOPNOTSUPP;
3067
3068 if (smu->user_dpm_profile.user_workload_mask &
3069 (1 << smu->workload_priority[param[param_size]]))
3070 return 0;
3071
3072 smu->user_dpm_profile.user_workload_mask =
3073 (1 << smu->workload_priority[param[param_size]]);
3074 smu->workload_mask = smu->user_dpm_profile.user_workload_mask |
3075 smu->driver_workload_mask;
3076 ret = smu_bump_power_profile_mode(smu, param, param_size);
3077
3078 return ret;
3079 }
3080
smu_get_fan_control_mode(void * handle,u32 * fan_mode)3081 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode)
3082 {
3083 struct smu_context *smu = handle;
3084
3085 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3086 return -EOPNOTSUPP;
3087
3088 if (!smu->ppt_funcs->get_fan_control_mode)
3089 return -EOPNOTSUPP;
3090
3091 if (!fan_mode)
3092 return -EINVAL;
3093
3094 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu);
3095
3096 return 0;
3097 }
3098
smu_set_fan_control_mode(void * handle,u32 value)3099 static int smu_set_fan_control_mode(void *handle, u32 value)
3100 {
3101 struct smu_context *smu = handle;
3102 int ret = 0;
3103
3104 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3105 return -EOPNOTSUPP;
3106
3107 if (!smu->ppt_funcs->set_fan_control_mode)
3108 return -EOPNOTSUPP;
3109
3110 if (value == U32_MAX)
3111 return -EINVAL;
3112
3113 ret = smu->ppt_funcs->set_fan_control_mode(smu, value);
3114 if (ret)
3115 goto out;
3116
3117 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3118 smu->user_dpm_profile.fan_mode = value;
3119
3120 /* reset user dpm fan speed */
3121 if (value != AMD_FAN_CTRL_MANUAL) {
3122 smu->user_dpm_profile.fan_speed_pwm = 0;
3123 smu->user_dpm_profile.fan_speed_rpm = 0;
3124 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM);
3125 }
3126 }
3127
3128 out:
3129 return ret;
3130 }
3131
smu_get_fan_speed_pwm(void * handle,u32 * speed)3132 static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
3133 {
3134 struct smu_context *smu = handle;
3135 int ret = 0;
3136
3137 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3138 return -EOPNOTSUPP;
3139
3140 if (!smu->ppt_funcs->get_fan_speed_pwm)
3141 return -EOPNOTSUPP;
3142
3143 if (!speed)
3144 return -EINVAL;
3145
3146 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed);
3147
3148 return ret;
3149 }
3150
smu_set_fan_speed_pwm(void * handle,u32 speed)3151 static int smu_set_fan_speed_pwm(void *handle, u32 speed)
3152 {
3153 struct smu_context *smu = handle;
3154 int ret = 0;
3155
3156 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3157 return -EOPNOTSUPP;
3158
3159 if (!smu->ppt_funcs->set_fan_speed_pwm)
3160 return -EOPNOTSUPP;
3161
3162 if (speed == U32_MAX)
3163 return -EINVAL;
3164
3165 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed);
3166 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) {
3167 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM;
3168 smu->user_dpm_profile.fan_speed_pwm = speed;
3169
3170 /* Override custom RPM setting as they cannot co-exist */
3171 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM;
3172 smu->user_dpm_profile.fan_speed_rpm = 0;
3173 }
3174
3175 return ret;
3176 }
3177
smu_get_fan_speed_rpm(void * handle,uint32_t * speed)3178 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed)
3179 {
3180 struct smu_context *smu = handle;
3181 int ret = 0;
3182
3183 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3184 return -EOPNOTSUPP;
3185
3186 if (!smu->ppt_funcs->get_fan_speed_rpm)
3187 return -EOPNOTSUPP;
3188
3189 if (!speed)
3190 return -EINVAL;
3191
3192 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed);
3193
3194 return ret;
3195 }
3196
smu_set_deep_sleep_dcefclk(void * handle,uint32_t clk)3197 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk)
3198 {
3199 struct smu_context *smu = handle;
3200
3201 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3202 return -EOPNOTSUPP;
3203
3204 return smu_set_min_dcef_deep_sleep(smu, clk);
3205 }
3206
smu_get_clock_by_type_with_latency(void * handle,enum amd_pp_clock_type type,struct pp_clock_levels_with_latency * clocks)3207 static int smu_get_clock_by_type_with_latency(void *handle,
3208 enum amd_pp_clock_type type,
3209 struct pp_clock_levels_with_latency *clocks)
3210 {
3211 struct smu_context *smu = handle;
3212 enum smu_clk_type clk_type;
3213 int ret = 0;
3214
3215 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3216 return -EOPNOTSUPP;
3217
3218 if (smu->ppt_funcs->get_clock_by_type_with_latency) {
3219 switch (type) {
3220 case amd_pp_sys_clock:
3221 clk_type = SMU_GFXCLK;
3222 break;
3223 case amd_pp_mem_clock:
3224 clk_type = SMU_MCLK;
3225 break;
3226 case amd_pp_dcef_clock:
3227 clk_type = SMU_DCEFCLK;
3228 break;
3229 case amd_pp_disp_clock:
3230 clk_type = SMU_DISPCLK;
3231 break;
3232 default:
3233 dev_err(smu->adev->dev, "Invalid clock type!\n");
3234 return -EINVAL;
3235 }
3236
3237 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks);
3238 }
3239
3240 return ret;
3241 }
3242
smu_display_clock_voltage_request(void * handle,struct pp_display_clock_request * clock_req)3243 static int smu_display_clock_voltage_request(void *handle,
3244 struct pp_display_clock_request *clock_req)
3245 {
3246 struct smu_context *smu = handle;
3247 int ret = 0;
3248
3249 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3250 return -EOPNOTSUPP;
3251
3252 if (smu->ppt_funcs->display_clock_voltage_request)
3253 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req);
3254
3255 return ret;
3256 }
3257
3258
smu_display_disable_memory_clock_switch(void * handle,bool disable_memory_clock_switch)3259 static int smu_display_disable_memory_clock_switch(void *handle,
3260 bool disable_memory_clock_switch)
3261 {
3262 struct smu_context *smu = handle;
3263 int ret = -EINVAL;
3264
3265 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3266 return -EOPNOTSUPP;
3267
3268 if (smu->ppt_funcs->display_disable_memory_clock_switch)
3269 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch);
3270
3271 return ret;
3272 }
3273
smu_set_xgmi_pstate(void * handle,uint32_t pstate)3274 static int smu_set_xgmi_pstate(void *handle,
3275 uint32_t pstate)
3276 {
3277 struct smu_context *smu = handle;
3278 int ret = 0;
3279
3280 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3281 return -EOPNOTSUPP;
3282
3283 if (smu->ppt_funcs->set_xgmi_pstate)
3284 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate);
3285
3286 if (ret)
3287 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n");
3288
3289 return ret;
3290 }
3291
smu_get_baco_capability(void * handle)3292 static int smu_get_baco_capability(void *handle)
3293 {
3294 struct smu_context *smu = handle;
3295
3296 if (!smu->pm_enabled)
3297 return false;
3298
3299 if (!smu->ppt_funcs || !smu->ppt_funcs->get_bamaco_support)
3300 return false;
3301
3302 return smu->ppt_funcs->get_bamaco_support(smu);
3303 }
3304
smu_baco_set_state(void * handle,int state)3305 static int smu_baco_set_state(void *handle, int state)
3306 {
3307 struct smu_context *smu = handle;
3308 int ret = 0;
3309
3310 if (!smu->pm_enabled)
3311 return -EOPNOTSUPP;
3312
3313 if (state == 0) {
3314 if (smu->ppt_funcs->baco_exit)
3315 ret = smu->ppt_funcs->baco_exit(smu);
3316 } else if (state == 1) {
3317 if (smu->ppt_funcs->baco_enter)
3318 ret = smu->ppt_funcs->baco_enter(smu);
3319 } else {
3320 return -EINVAL;
3321 }
3322
3323 if (ret)
3324 dev_err(smu->adev->dev, "Failed to %s BACO state!\n",
3325 (state)?"enter":"exit");
3326
3327 return ret;
3328 }
3329
smu_mode1_reset_is_support(struct smu_context * smu)3330 bool smu_mode1_reset_is_support(struct smu_context *smu)
3331 {
3332 bool ret = false;
3333
3334 if (!smu->pm_enabled)
3335 return false;
3336
3337 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
3338 ret = smu->ppt_funcs->mode1_reset_is_support(smu);
3339
3340 return ret;
3341 }
3342
smu_mode2_reset_is_support(struct smu_context * smu)3343 bool smu_mode2_reset_is_support(struct smu_context *smu)
3344 {
3345 bool ret = false;
3346
3347 if (!smu->pm_enabled)
3348 return false;
3349
3350 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support)
3351 ret = smu->ppt_funcs->mode2_reset_is_support(smu);
3352
3353 return ret;
3354 }
3355
smu_mode1_reset(struct smu_context * smu)3356 int smu_mode1_reset(struct smu_context *smu)
3357 {
3358 int ret = 0;
3359
3360 if (!smu->pm_enabled)
3361 return -EOPNOTSUPP;
3362
3363 if (smu->ppt_funcs->mode1_reset)
3364 ret = smu->ppt_funcs->mode1_reset(smu);
3365
3366 return ret;
3367 }
3368
smu_mode2_reset(void * handle)3369 static int smu_mode2_reset(void *handle)
3370 {
3371 struct smu_context *smu = handle;
3372 int ret = 0;
3373
3374 if (!smu->pm_enabled)
3375 return -EOPNOTSUPP;
3376
3377 if (smu->ppt_funcs->mode2_reset)
3378 ret = smu->ppt_funcs->mode2_reset(smu);
3379
3380 if (ret)
3381 dev_err(smu->adev->dev, "Mode2 reset failed!\n");
3382
3383 return ret;
3384 }
3385
smu_enable_gfx_features(void * handle)3386 static int smu_enable_gfx_features(void *handle)
3387 {
3388 struct smu_context *smu = handle;
3389 int ret = 0;
3390
3391 if (!smu->pm_enabled)
3392 return -EOPNOTSUPP;
3393
3394 if (smu->ppt_funcs->enable_gfx_features)
3395 ret = smu->ppt_funcs->enable_gfx_features(smu);
3396
3397 if (ret)
3398 dev_err(smu->adev->dev, "enable gfx features failed!\n");
3399
3400 return ret;
3401 }
3402
smu_get_max_sustainable_clocks_by_dc(void * handle,struct pp_smu_nv_clock_table * max_clocks)3403 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
3404 struct pp_smu_nv_clock_table *max_clocks)
3405 {
3406 struct smu_context *smu = handle;
3407 int ret = 0;
3408
3409 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3410 return -EOPNOTSUPP;
3411
3412 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
3413 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks);
3414
3415 return ret;
3416 }
3417
smu_get_uclk_dpm_states(void * handle,unsigned int * clock_values_in_khz,unsigned int * num_states)3418 static int smu_get_uclk_dpm_states(void *handle,
3419 unsigned int *clock_values_in_khz,
3420 unsigned int *num_states)
3421 {
3422 struct smu_context *smu = handle;
3423 int ret = 0;
3424
3425 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3426 return -EOPNOTSUPP;
3427
3428 if (smu->ppt_funcs->get_uclk_dpm_states)
3429 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states);
3430
3431 return ret;
3432 }
3433
smu_get_current_power_state(void * handle)3434 static enum amd_pm_state_type smu_get_current_power_state(void *handle)
3435 {
3436 struct smu_context *smu = handle;
3437 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
3438
3439 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3440 return -EOPNOTSUPP;
3441
3442 if (smu->ppt_funcs->get_current_power_state)
3443 pm_state = smu->ppt_funcs->get_current_power_state(smu);
3444
3445 return pm_state;
3446 }
3447
smu_get_dpm_clock_table(void * handle,struct dpm_clocks * clock_table)3448 static int smu_get_dpm_clock_table(void *handle,
3449 struct dpm_clocks *clock_table)
3450 {
3451 struct smu_context *smu = handle;
3452 int ret = 0;
3453
3454 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3455 return -EOPNOTSUPP;
3456
3457 if (smu->ppt_funcs->get_dpm_clock_table)
3458 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table);
3459
3460 return ret;
3461 }
3462
smu_sys_get_gpu_metrics(void * handle,void ** table)3463 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
3464 {
3465 struct smu_context *smu = handle;
3466
3467 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3468 return -EOPNOTSUPP;
3469
3470 if (!smu->ppt_funcs->get_gpu_metrics)
3471 return -EOPNOTSUPP;
3472
3473 return smu->ppt_funcs->get_gpu_metrics(smu, table);
3474 }
3475
smu_sys_get_pm_metrics(void * handle,void * pm_metrics,size_t size)3476 static ssize_t smu_sys_get_pm_metrics(void *handle, void *pm_metrics,
3477 size_t size)
3478 {
3479 struct smu_context *smu = handle;
3480
3481 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3482 return -EOPNOTSUPP;
3483
3484 if (!smu->ppt_funcs->get_pm_metrics)
3485 return -EOPNOTSUPP;
3486
3487 return smu->ppt_funcs->get_pm_metrics(smu, pm_metrics, size);
3488 }
3489
smu_enable_mgpu_fan_boost(void * handle)3490 static int smu_enable_mgpu_fan_boost(void *handle)
3491 {
3492 struct smu_context *smu = handle;
3493 int ret = 0;
3494
3495 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
3496 return -EOPNOTSUPP;
3497
3498 if (smu->ppt_funcs->enable_mgpu_fan_boost)
3499 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
3500
3501 return ret;
3502 }
3503
smu_gfx_state_change_set(void * handle,uint32_t state)3504 static int smu_gfx_state_change_set(void *handle,
3505 uint32_t state)
3506 {
3507 struct smu_context *smu = handle;
3508 int ret = 0;
3509
3510 if (smu->ppt_funcs->gfx_state_change_set)
3511 ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
3512
3513 return ret;
3514 }
3515
smu_handle_passthrough_sbr(struct smu_context * smu,bool enable)3516 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable)
3517 {
3518 int ret = 0;
3519
3520 if (smu->ppt_funcs->smu_handle_passthrough_sbr)
3521 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable);
3522
3523 return ret;
3524 }
3525
smu_get_ecc_info(struct smu_context * smu,void * umc_ecc)3526 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc)
3527 {
3528 int ret = -EOPNOTSUPP;
3529
3530 if (smu->ppt_funcs &&
3531 smu->ppt_funcs->get_ecc_info)
3532 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc);
3533
3534 return ret;
3535
3536 }
3537
smu_get_prv_buffer_details(void * handle,void ** addr,size_t * size)3538 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size)
3539 {
3540 struct smu_context *smu = handle;
3541 struct smu_table_context *smu_table = &smu->smu_table;
3542 struct smu_table *memory_pool = &smu_table->memory_pool;
3543
3544 if (!addr || !size)
3545 return -EINVAL;
3546
3547 *addr = NULL;
3548 *size = 0;
3549 if (memory_pool->bo) {
3550 *addr = memory_pool->cpu_addr;
3551 *size = memory_pool->size;
3552 }
3553
3554 return 0;
3555 }
3556
smu_print_dpm_policy(struct smu_dpm_policy * policy,char * sysbuf,size_t * size)3557 static void smu_print_dpm_policy(struct smu_dpm_policy *policy, char *sysbuf,
3558 size_t *size)
3559 {
3560 size_t offset = *size;
3561 int level;
3562
3563 for_each_set_bit(level, &policy->level_mask, PP_POLICY_MAX_LEVELS) {
3564 if (level == policy->current_level)
3565 offset += sysfs_emit_at(sysbuf, offset,
3566 "%d : %s*\n", level,
3567 policy->desc->get_desc(policy, level));
3568 else
3569 offset += sysfs_emit_at(sysbuf, offset,
3570 "%d : %s\n", level,
3571 policy->desc->get_desc(policy, level));
3572 }
3573
3574 *size = offset;
3575 }
3576
smu_get_pm_policy_info(struct smu_context * smu,enum pp_pm_policy p_type,char * sysbuf)3577 ssize_t smu_get_pm_policy_info(struct smu_context *smu,
3578 enum pp_pm_policy p_type, char *sysbuf)
3579 {
3580 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3581 struct smu_dpm_policy_ctxt *policy_ctxt;
3582 struct smu_dpm_policy *dpm_policy;
3583 size_t offset = 0;
3584
3585 policy_ctxt = dpm_ctxt->dpm_policies;
3586 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3587 !policy_ctxt->policy_mask)
3588 return -EOPNOTSUPP;
3589
3590 if (p_type == PP_PM_POLICY_NONE)
3591 return -EINVAL;
3592
3593 dpm_policy = smu_get_pm_policy(smu, p_type);
3594 if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->desc)
3595 return -ENOENT;
3596
3597 if (!sysbuf)
3598 return -EINVAL;
3599
3600 smu_print_dpm_policy(dpm_policy, sysbuf, &offset);
3601
3602 return offset;
3603 }
3604
smu_get_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type)3605 struct smu_dpm_policy *smu_get_pm_policy(struct smu_context *smu,
3606 enum pp_pm_policy p_type)
3607 {
3608 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3609 struct smu_dpm_policy_ctxt *policy_ctxt;
3610 int i;
3611
3612 policy_ctxt = dpm_ctxt->dpm_policies;
3613 if (!policy_ctxt)
3614 return NULL;
3615
3616 for (i = 0; i < hweight32(policy_ctxt->policy_mask); ++i) {
3617 if (policy_ctxt->policies[i].policy_type == p_type)
3618 return &policy_ctxt->policies[i];
3619 }
3620
3621 return NULL;
3622 }
3623
smu_set_pm_policy(struct smu_context * smu,enum pp_pm_policy p_type,int level)3624 int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type,
3625 int level)
3626 {
3627 struct smu_dpm_context *dpm_ctxt = &smu->smu_dpm;
3628 struct smu_dpm_policy *dpm_policy = NULL;
3629 struct smu_dpm_policy_ctxt *policy_ctxt;
3630 int ret = -EOPNOTSUPP;
3631
3632 policy_ctxt = dpm_ctxt->dpm_policies;
3633 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || !policy_ctxt ||
3634 !policy_ctxt->policy_mask)
3635 return ret;
3636
3637 if (level < 0 || level >= PP_POLICY_MAX_LEVELS)
3638 return -EINVAL;
3639
3640 dpm_policy = smu_get_pm_policy(smu, p_type);
3641
3642 if (!dpm_policy || !dpm_policy->level_mask || !dpm_policy->set_policy)
3643 return ret;
3644
3645 if (dpm_policy->current_level == level)
3646 return 0;
3647
3648 ret = dpm_policy->set_policy(smu, level);
3649
3650 if (!ret)
3651 dpm_policy->current_level = level;
3652
3653 return ret;
3654 }
3655
3656 static const struct amd_pm_funcs swsmu_pm_funcs = {
3657 /* export for sysfs */
3658 .set_fan_control_mode = smu_set_fan_control_mode,
3659 .get_fan_control_mode = smu_get_fan_control_mode,
3660 .set_fan_speed_pwm = smu_set_fan_speed_pwm,
3661 .get_fan_speed_pwm = smu_get_fan_speed_pwm,
3662 .force_clock_level = smu_force_ppclk_levels,
3663 .print_clock_levels = smu_print_ppclk_levels,
3664 .emit_clock_levels = smu_emit_ppclk_levels,
3665 .force_performance_level = smu_force_performance_level,
3666 .read_sensor = smu_read_sensor,
3667 .get_apu_thermal_limit = smu_get_apu_thermal_limit,
3668 .set_apu_thermal_limit = smu_set_apu_thermal_limit,
3669 .get_performance_level = smu_get_performance_level,
3670 .get_current_power_state = smu_get_current_power_state,
3671 .get_fan_speed_rpm = smu_get_fan_speed_rpm,
3672 .set_fan_speed_rpm = smu_set_fan_speed_rpm,
3673 .get_pp_num_states = smu_get_power_num_states,
3674 .get_pp_table = smu_sys_get_pp_table,
3675 .set_pp_table = smu_sys_set_pp_table,
3676 .switch_power_profile = smu_switch_power_profile,
3677 /* export to amdgpu */
3678 .dispatch_tasks = smu_handle_dpm_task,
3679 .load_firmware = smu_load_microcode,
3680 .set_powergating_by_smu = smu_dpm_set_power_gate,
3681 .set_power_limit = smu_set_power_limit,
3682 .get_power_limit = smu_get_power_limit,
3683 .get_power_profile_mode = smu_get_power_profile_mode,
3684 .set_power_profile_mode = smu_set_power_profile_mode,
3685 .odn_edit_dpm_table = smu_od_edit_dpm_table,
3686 .set_mp1_state = smu_set_mp1_state,
3687 .gfx_state_change_set = smu_gfx_state_change_set,
3688 /* export to DC */
3689 .get_sclk = smu_get_sclk,
3690 .get_mclk = smu_get_mclk,
3691 .display_configuration_change = smu_display_configuration_change,
3692 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency,
3693 .display_clock_voltage_request = smu_display_clock_voltage_request,
3694 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost,
3695 .set_active_display_count = smu_set_display_count,
3696 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk,
3697 .get_asic_baco_capability = smu_get_baco_capability,
3698 .set_asic_baco_state = smu_baco_set_state,
3699 .get_ppfeature_status = smu_sys_get_pp_feature_mask,
3700 .set_ppfeature_status = smu_sys_set_pp_feature_mask,
3701 .asic_reset_mode_2 = smu_mode2_reset,
3702 .asic_reset_enable_gfx_features = smu_enable_gfx_features,
3703 .set_df_cstate = smu_set_df_cstate,
3704 .set_xgmi_pstate = smu_set_xgmi_pstate,
3705 .get_gpu_metrics = smu_sys_get_gpu_metrics,
3706 .get_pm_metrics = smu_sys_get_pm_metrics,
3707 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges,
3708 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch,
3709 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc,
3710 .get_uclk_dpm_states = smu_get_uclk_dpm_states,
3711 .get_dpm_clock_table = smu_get_dpm_clock_table,
3712 .get_smu_prv_buf_details = smu_get_prv_buffer_details,
3713 };
3714
smu_wait_for_event(struct smu_context * smu,enum smu_event_type event,uint64_t event_arg)3715 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,
3716 uint64_t event_arg)
3717 {
3718 int ret = -EINVAL;
3719
3720 if (smu->ppt_funcs->wait_for_event)
3721 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg);
3722
3723 return ret;
3724 }
3725
smu_stb_collect_info(struct smu_context * smu,void * buf,uint32_t size)3726 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size)
3727 {
3728
3729 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled)
3730 return -EOPNOTSUPP;
3731
3732 /* Confirm the buffer allocated is of correct size */
3733 if (size != smu->stb_context.stb_buf_size)
3734 return -EINVAL;
3735
3736 /*
3737 * No need to lock smu mutex as we access STB directly through MMIO
3738 * and not going through SMU messaging route (for now at least).
3739 * For registers access rely on implementation internal locking.
3740 */
3741 return smu->ppt_funcs->stb_collect_info(smu, buf, size);
3742 }
3743
3744 #if defined(CONFIG_DEBUG_FS)
3745
smu_stb_debugfs_open(struct inode * inode,struct file * filp)3746 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp)
3747 {
3748 struct amdgpu_device *adev = filp->f_inode->i_private;
3749 struct smu_context *smu = adev->powerplay.pp_handle;
3750 unsigned char *buf;
3751 int r;
3752
3753 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL);
3754 if (!buf)
3755 return -ENOMEM;
3756
3757 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size);
3758 if (r)
3759 goto out;
3760
3761 filp->private_data = buf;
3762
3763 return 0;
3764
3765 out:
3766 kvfree(buf);
3767 return r;
3768 }
3769
smu_stb_debugfs_read(struct file * filp,char __user * buf,size_t size,loff_t * pos)3770 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
3771 loff_t *pos)
3772 {
3773 struct amdgpu_device *adev = filp->f_inode->i_private;
3774 struct smu_context *smu = adev->powerplay.pp_handle;
3775
3776
3777 if (!filp->private_data)
3778 return -EINVAL;
3779
3780 return simple_read_from_buffer(buf,
3781 size,
3782 pos, filp->private_data,
3783 smu->stb_context.stb_buf_size);
3784 }
3785
smu_stb_debugfs_release(struct inode * inode,struct file * filp)3786 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp)
3787 {
3788 kvfree(filp->private_data);
3789 filp->private_data = NULL;
3790
3791 return 0;
3792 }
3793
3794 /*
3795 * We have to define not only read method but also
3796 * open and release because .read takes up to PAGE_SIZE
3797 * data each time so and so is invoked multiple times.
3798 * We allocate the STB buffer in .open and release it
3799 * in .release
3800 */
3801 static const struct file_operations smu_stb_debugfs_fops = {
3802 .owner = THIS_MODULE,
3803 .open = smu_stb_debugfs_open,
3804 .read = smu_stb_debugfs_read,
3805 .release = smu_stb_debugfs_release,
3806 .llseek = default_llseek,
3807 };
3808
3809 #endif
3810
amdgpu_smu_stb_debug_fs_init(struct amdgpu_device * adev)3811 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev)
3812 {
3813 #if defined(CONFIG_DEBUG_FS)
3814
3815 struct smu_context *smu = adev->powerplay.pp_handle;
3816
3817 if (!smu || (!smu->stb_context.stb_buf_size))
3818 return;
3819
3820 debugfs_create_file_size("amdgpu_smu_stb_dump",
3821 S_IRUSR,
3822 adev_to_drm(adev)->primary->debugfs_root,
3823 adev,
3824 &smu_stb_debugfs_fops,
3825 smu->stb_context.stb_buf_size);
3826 #endif
3827 }
3828
smu_send_hbm_bad_pages_num(struct smu_context * smu,uint32_t size)3829 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size)
3830 {
3831 int ret = 0;
3832
3833 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num)
3834 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size);
3835
3836 return ret;
3837 }
3838
smu_send_hbm_bad_channel_flag(struct smu_context * smu,uint32_t size)3839 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size)
3840 {
3841 int ret = 0;
3842
3843 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag)
3844 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size);
3845
3846 return ret;
3847 }
3848
smu_send_rma_reason(struct smu_context * smu)3849 int smu_send_rma_reason(struct smu_context *smu)
3850 {
3851 int ret = 0;
3852
3853 if (smu->ppt_funcs && smu->ppt_funcs->send_rma_reason)
3854 ret = smu->ppt_funcs->send_rma_reason(smu);
3855
3856 return ret;
3857 }
3858