1/*
2 * Copyright 2015 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#include "pp_debug.h"
24#include <linux/errno.h>
25#include "hwmgr.h"
26#include "hardwaremanager.h"
27#include "power_state.h"
28
29
30#define TEMP_RANGE_MIN (0)
31#define TEMP_RANGE_MAX (80 * 1000)
32
33#define PHM_FUNC_CHECK(hw) \
34 do { \
35 if ((hw) == NULL || (hw)->hwmgr_func == NULL) \
36 return -EINVAL; \
37 } while (0)
38
39int phm_setup_asic(struct pp_hwmgr *hwmgr)
40{
41 PHM_FUNC_CHECK(hwmgr);
42
43 if (NULL != hwmgr->hwmgr_func->asic_setup)
44 return hwmgr->hwmgr_func->asic_setup(hwmgr);
45
46 return 0;
47}
48
49int phm_power_down_asic(struct pp_hwmgr *hwmgr)
50{
51 PHM_FUNC_CHECK(hwmgr);
52
53 if (NULL != hwmgr->hwmgr_func->power_off_asic)
54 return hwmgr->hwmgr_func->power_off_asic(hwmgr);
55
56 return 0;
57}
58
59int phm_set_power_state(struct pp_hwmgr *hwmgr,
60 const struct pp_hw_power_state *pcurrent_state,
61 const struct pp_hw_power_state *pnew_power_state)
62{
63 struct phm_set_power_state_input states;
64
65 PHM_FUNC_CHECK(hwmgr);
66
67 states.pcurrent_state = pcurrent_state;
68 states.pnew_state = pnew_power_state;
69
70 if (NULL != hwmgr->hwmgr_func->power_state_set)
71 return hwmgr->hwmgr_func->power_state_set(hwmgr, &states);
72
73 return 0;
74}
75
76int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
77{
78 struct amdgpu_device *adev = NULL;
79 int ret = -EINVAL;
80 PHM_FUNC_CHECK(hwmgr);
81 adev = hwmgr->adev;
82
83 /* Skip for suspend/resume case */
84 if (!hwmgr->pp_one_vf && smum_is_dpm_running(hwmgr)
85 && !amdgpu_passthrough(adev) && adev->in_suspend
86 && adev->asic_type != CHIP_RAVEN) {
87 pr_info("dpm has been enabled\n");
88 return 0;
89 }
90
91 if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable)
92 ret = hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr);
93
94 return ret;
95}
96
97int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr)
98{
99 int ret = -EINVAL;
100
101 PHM_FUNC_CHECK(hwmgr);
102
103 if (!hwmgr->not_vf)
104 return 0;
105
106 if (!smum_is_dpm_running(hwmgr)) {
107 pr_info("dpm has been disabled\n");
108 return 0;
109 }
110
111 if (hwmgr->hwmgr_func->dynamic_state_management_disable)
112 ret = hwmgr->hwmgr_func->dynamic_state_management_disable(hwmgr);
113
114 return ret;
115}
116
117int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level)
118{
119 int ret = 0;
120
121 PHM_FUNC_CHECK(hwmgr);
122
123 if (hwmgr->hwmgr_func->force_dpm_level != NULL)
124 ret = hwmgr->hwmgr_func->force_dpm_level(hwmgr, level);
125
126 return ret;
127}
128
129int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
130 struct pp_power_state *adjusted_ps,
131 const struct pp_power_state *current_ps)
132{
133 PHM_FUNC_CHECK(hwmgr);
134
135 if (hwmgr->hwmgr_func->apply_state_adjust_rules != NULL)
136 return hwmgr->hwmgr_func->apply_state_adjust_rules(
137 hwmgr,
138 adjusted_ps,
139 current_ps);
140 return 0;
141}
142
143int phm_apply_clock_adjust_rules(struct pp_hwmgr *hwmgr)
144{
145 PHM_FUNC_CHECK(hwmgr);
146
147 if (hwmgr->hwmgr_func->apply_clocks_adjust_rules != NULL)
148 return hwmgr->hwmgr_func->apply_clocks_adjust_rules(hwmgr);
149 return 0;
150}
151
152int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr)
153{
154 PHM_FUNC_CHECK(hwmgr);
155
156 if (NULL != hwmgr->hwmgr_func->disable_clock_power_gating)
157 return hwmgr->hwmgr_func->disable_clock_power_gating(hwmgr);
158
159 return 0;
160}
161
162int phm_pre_display_configuration_changed(struct pp_hwmgr *hwmgr)
163{
164 PHM_FUNC_CHECK(hwmgr);
165
166 if (NULL != hwmgr->hwmgr_func->pre_display_config_changed)
167 hwmgr->hwmgr_func->pre_display_config_changed(hwmgr);
168
169 return 0;
170
171}
172
173int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)
174{
175 PHM_FUNC_CHECK(hwmgr);
176
177 if (NULL != hwmgr->hwmgr_func->display_config_changed)
178 hwmgr->hwmgr_func->display_config_changed(hwmgr);
179
180 return 0;
181}
182
183int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
184{
185 PHM_FUNC_CHECK(hwmgr);
186
187 if (NULL != hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment)
188 hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment(hwmgr);
189
190 return 0;
191}
192
193int phm_stop_thermal_controller(struct pp_hwmgr *hwmgr)
194{
195 PHM_FUNC_CHECK(hwmgr);
196
197 if (!hwmgr->not_vf)
198 return 0;
199
200 if (hwmgr->hwmgr_func->stop_thermal_controller == NULL)
201 return -EINVAL;
202
203 return hwmgr->hwmgr_func->stop_thermal_controller(hwmgr);
204}
205
206int phm_register_irq_handlers(struct pp_hwmgr *hwmgr)
207{
208 PHM_FUNC_CHECK(hwmgr);
209
210 if (hwmgr->hwmgr_func->register_irq_handlers != NULL)
211 return hwmgr->hwmgr_func->register_irq_handlers(hwmgr);
212
213 return 0;
214}
215
216/**
217 * phm_start_thermal_controller - Initializes the thermal controller subsystem.
218 *
219 * @hwmgr: the address of the powerplay hardware manager.
220 * Exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the dispatcher.
221 */
222int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
223{
224 int ret = 0;
225 struct PP_TemperatureRange range = {
226 TEMP_RANGE_MIN,
227 TEMP_RANGE_MAX,
228 TEMP_RANGE_MAX,
229 TEMP_RANGE_MIN,
230 TEMP_RANGE_MAX,
231 TEMP_RANGE_MAX,
232 TEMP_RANGE_MIN,
233 TEMP_RANGE_MAX,
234 TEMP_RANGE_MAX,
235 0};
236 struct amdgpu_device *adev = hwmgr->adev;
237
238 if (!hwmgr->not_vf)
239 return 0;
240
241 if (hwmgr->hwmgr_func->get_thermal_temperature_range)
242 hwmgr->hwmgr_func->get_thermal_temperature_range(
243 hwmgr, &range);
244
245 if (phm_cap_enabled(caps: hwmgr->platform_descriptor.platformCaps,
246 c: PHM_PlatformCaps_ThermalController)
247 && hwmgr->hwmgr_func->start_thermal_controller != NULL)
248 ret = hwmgr->hwmgr_func->start_thermal_controller(hwmgr, &range);
249
250 adev->pm.dpm.thermal.min_temp = range.min;
251 adev->pm.dpm.thermal.max_temp = range.max;
252 adev->pm.dpm.thermal.max_edge_emergency_temp = range.edge_emergency_max;
253 adev->pm.dpm.thermal.min_hotspot_temp = range.hotspot_min;
254 adev->pm.dpm.thermal.max_hotspot_crit_temp = range.hotspot_crit_max;
255 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range.hotspot_emergency_max;
256 adev->pm.dpm.thermal.min_mem_temp = range.mem_min;
257 adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max;
258 adev->pm.dpm.thermal.max_mem_emergency_temp = range.mem_emergency_max;
259 adev->pm.dpm.thermal.sw_ctf_threshold = range.sw_ctf_threshold;
260
261 return ret;
262}
263
264
265bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
266{
267 if (hwmgr == NULL ||
268 hwmgr->hwmgr_func == NULL)
269 return false;
270
271 if (hwmgr->pp_one_vf)
272 return false;
273
274 if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL)
275 return false;
276
277 return hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration(hwmgr);
278}
279
280
281int phm_check_states_equal(struct pp_hwmgr *hwmgr,
282 const struct pp_hw_power_state *pstate1,
283 const struct pp_hw_power_state *pstate2,
284 bool *equal)
285{
286 PHM_FUNC_CHECK(hwmgr);
287
288 if (hwmgr->hwmgr_func->check_states_equal == NULL)
289 return -EINVAL;
290
291 return hwmgr->hwmgr_func->check_states_equal(hwmgr, pstate1, pstate2, equal);
292}
293
294int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr,
295 const struct amd_pp_display_configuration *display_config)
296{
297 int index = 0;
298 int number_of_active_display = 0;
299
300 PHM_FUNC_CHECK(hwmgr);
301
302 if (display_config == NULL)
303 return -EINVAL;
304
305 if (NULL != hwmgr->hwmgr_func->set_min_deep_sleep_dcefclk)
306 hwmgr->hwmgr_func->set_min_deep_sleep_dcefclk(hwmgr, display_config->min_dcef_deep_sleep_set_clk);
307
308 for (index = 0; index < display_config->num_path_including_non_display; index++) {
309 if (display_config->displays[index].controller_id != 0)
310 number_of_active_display++;
311 }
312
313 if (NULL != hwmgr->hwmgr_func->set_active_display_count)
314 hwmgr->hwmgr_func->set_active_display_count(hwmgr, number_of_active_display);
315
316 if (hwmgr->hwmgr_func->store_cc6_data == NULL)
317 return -EINVAL;
318
319 /* TODO: pass other display configuration in the future */
320
321 if (hwmgr->hwmgr_func->store_cc6_data)
322 hwmgr->hwmgr_func->store_cc6_data(hwmgr,
323 display_config->cpu_pstate_separation_time,
324 display_config->cpu_cc6_disable,
325 display_config->cpu_pstate_disable,
326 display_config->nb_pstate_switch_disable);
327
328 return 0;
329}
330
331int phm_get_dal_power_level(struct pp_hwmgr *hwmgr,
332 struct amd_pp_simple_clock_info *info)
333{
334 PHM_FUNC_CHECK(hwmgr);
335
336 if (info == NULL || hwmgr->hwmgr_func->get_dal_power_level == NULL)
337 return -EINVAL;
338 return hwmgr->hwmgr_func->get_dal_power_level(hwmgr, info);
339}
340
341int phm_set_cpu_power_state(struct pp_hwmgr *hwmgr)
342{
343 PHM_FUNC_CHECK(hwmgr);
344
345 if (hwmgr->hwmgr_func->set_cpu_power_state != NULL)
346 return hwmgr->hwmgr_func->set_cpu_power_state(hwmgr);
347
348 return 0;
349}
350
351
352int phm_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
353 PHM_PerformanceLevelDesignation designation, uint32_t index,
354 PHM_PerformanceLevel *level)
355{
356 PHM_FUNC_CHECK(hwmgr);
357 if (hwmgr->hwmgr_func->get_performance_level == NULL)
358 return -EINVAL;
359
360 return hwmgr->hwmgr_func->get_performance_level(hwmgr, state, designation, index, level);
361
362
363}
364
365
366/**
367 * phm_get_clock_info
368 *
369 * @hwmgr: the address of the powerplay hardware manager.
370 * @state: the address of the Power State structure.
371 * @pclock_info: the address of PP_ClockInfo structure where the result will be returned.
372 * @designation: PHM performance level designation
373 * Exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the back-end.
374 */
375int phm_get_clock_info(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *pclock_info,
376 PHM_PerformanceLevelDesignation designation)
377{
378 int result;
379 PHM_PerformanceLevel performance_level = {0};
380
381 PHM_FUNC_CHECK(hwmgr);
382
383 PP_ASSERT_WITH_CODE((NULL != state), "Invalid Input!", return -EINVAL);
384 PP_ASSERT_WITH_CODE((NULL != pclock_info), "Invalid Input!", return -EINVAL);
385
386 result = phm_get_performance_level(hwmgr, state, designation: PHM_PerformanceLevelDesignation_Activity, index: 0, level: &performance_level);
387
388 PP_ASSERT_WITH_CODE((0 == result), "Failed to retrieve minimum clocks.", return result);
389
390
391 pclock_info->min_mem_clk = performance_level.memory_clock;
392 pclock_info->min_eng_clk = performance_level.coreClock;
393 pclock_info->min_bus_bandwidth = performance_level.nonLocalMemoryFreq * performance_level.nonLocalMemoryWidth;
394
395
396 result = phm_get_performance_level(hwmgr, state, designation,
397 index: (hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1), level: &performance_level);
398
399 PP_ASSERT_WITH_CODE((0 == result), "Failed to retrieve maximum clocks.", return result);
400
401 pclock_info->max_mem_clk = performance_level.memory_clock;
402 pclock_info->max_eng_clk = performance_level.coreClock;
403 pclock_info->max_bus_bandwidth = performance_level.nonLocalMemoryFreq * performance_level.nonLocalMemoryWidth;
404
405 return 0;
406}
407
408int phm_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *clock_info)
409{
410 PHM_FUNC_CHECK(hwmgr);
411
412 if (hwmgr->hwmgr_func->get_current_shallow_sleep_clocks == NULL)
413 return -EINVAL;
414
415 return hwmgr->hwmgr_func->get_current_shallow_sleep_clocks(hwmgr, state, clock_info);
416
417}
418
419int phm_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, struct amd_pp_clocks *clocks)
420{
421 PHM_FUNC_CHECK(hwmgr);
422
423 if (hwmgr->hwmgr_func->get_clock_by_type == NULL)
424 return -EINVAL;
425
426 return hwmgr->hwmgr_func->get_clock_by_type(hwmgr, type, clocks);
427
428}
429
430int phm_get_clock_by_type_with_latency(struct pp_hwmgr *hwmgr,
431 enum amd_pp_clock_type type,
432 struct pp_clock_levels_with_latency *clocks)
433{
434 PHM_FUNC_CHECK(hwmgr);
435
436 if (hwmgr->hwmgr_func->get_clock_by_type_with_latency == NULL)
437 return -EINVAL;
438
439 return hwmgr->hwmgr_func->get_clock_by_type_with_latency(hwmgr, type, clocks);
440
441}
442
443int phm_get_clock_by_type_with_voltage(struct pp_hwmgr *hwmgr,
444 enum amd_pp_clock_type type,
445 struct pp_clock_levels_with_voltage *clocks)
446{
447 PHM_FUNC_CHECK(hwmgr);
448
449 if (hwmgr->hwmgr_func->get_clock_by_type_with_voltage == NULL)
450 return -EINVAL;
451
452 return hwmgr->hwmgr_func->get_clock_by_type_with_voltage(hwmgr, type, clocks);
453
454}
455
456int phm_set_watermarks_for_clocks_ranges(struct pp_hwmgr *hwmgr,
457 void *clock_ranges)
458{
459 PHM_FUNC_CHECK(hwmgr);
460
461 if (!hwmgr->hwmgr_func->set_watermarks_for_clocks_ranges)
462 return -EINVAL;
463
464 return hwmgr->hwmgr_func->set_watermarks_for_clocks_ranges(hwmgr,
465 clock_ranges);
466}
467
468int phm_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
469 struct pp_display_clock_request *clock)
470{
471 PHM_FUNC_CHECK(hwmgr);
472
473 if (!hwmgr->hwmgr_func->display_clock_voltage_request)
474 return -EINVAL;
475
476 return hwmgr->hwmgr_func->display_clock_voltage_request(hwmgr, clock);
477}
478
479int phm_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks)
480{
481 PHM_FUNC_CHECK(hwmgr);
482
483 if (hwmgr->hwmgr_func->get_max_high_clocks == NULL)
484 return -EINVAL;
485
486 return hwmgr->hwmgr_func->get_max_high_clocks(hwmgr, clocks);
487}
488
489int phm_disable_smc_firmware_ctf(struct pp_hwmgr *hwmgr)
490{
491 PHM_FUNC_CHECK(hwmgr);
492
493 if (!hwmgr->not_vf)
494 return 0;
495
496 if (hwmgr->hwmgr_func->disable_smc_firmware_ctf == NULL)
497 return -EINVAL;
498
499 return hwmgr->hwmgr_func->disable_smc_firmware_ctf(hwmgr);
500}
501
502int phm_set_active_display_count(struct pp_hwmgr *hwmgr, uint32_t count)
503{
504 PHM_FUNC_CHECK(hwmgr);
505
506 if (!hwmgr->hwmgr_func->set_active_display_count)
507 return -EINVAL;
508
509 return hwmgr->hwmgr_func->set_active_display_count(hwmgr, count);
510}
511

source code of linux/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c