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1/*
2 * Copyright 2011 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 * Authors: Alex Deucher
23 */
24
25#include "amdgpu.h"
26#include "amdgpu_atombios.h"
27#include "amdgpu_i2c.h"
28#include "amdgpu_dpm.h"
29#include "atom.h"
30#include "amd_pcie.h"
31#include "amdgpu_display.h"
32#include "hwmgr.h"
33#include <linux/power_supply.h>
34
35#define WIDTH_4K 3840
36
37void amdgpu_dpm_print_class_info(u32 class, u32 class2)
38{
39 const char *s;
40
41 switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
42 case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
43 default:
44 s = "none";
45 break;
46 case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
47 s = "battery";
48 break;
49 case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
50 s = "balanced";
51 break;
52 case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
53 s = "performance";
54 break;
55 }
56 printk("\tui class: %s\n", s);
57 printk("\tinternal class:");
58 if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) &&
59 (class2 == 0))
60 pr_cont(" none");
61 else {
62 if (class & ATOM_PPLIB_CLASSIFICATION_BOOT)
63 pr_cont(" boot");
64 if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
65 pr_cont(" thermal");
66 if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
67 pr_cont(" limited_pwr");
68 if (class & ATOM_PPLIB_CLASSIFICATION_REST)
69 pr_cont(" rest");
70 if (class & ATOM_PPLIB_CLASSIFICATION_FORCED)
71 pr_cont(" forced");
72 if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
73 pr_cont(" 3d_perf");
74 if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE)
75 pr_cont(" ovrdrv");
76 if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
77 pr_cont(" uvd");
78 if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW)
79 pr_cont(" 3d_low");
80 if (class & ATOM_PPLIB_CLASSIFICATION_ACPI)
81 pr_cont(" acpi");
82 if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
83 pr_cont(" uvd_hd2");
84 if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
85 pr_cont(" uvd_hd");
86 if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
87 pr_cont(" uvd_sd");
88 if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
89 pr_cont(" limited_pwr2");
90 if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
91 pr_cont(" ulv");
92 if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
93 pr_cont(" uvd_mvc");
94 }
95 pr_cont("\n");
96}
97
98void amdgpu_dpm_print_cap_info(u32 caps)
99{
100 printk("\tcaps:");
101 if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
102 pr_cont(" single_disp");
103 if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK)
104 pr_cont(" video");
105 if (caps & ATOM_PPLIB_DISALLOW_ON_DC)
106 pr_cont(" no_dc");
107 pr_cont("\n");
108}
109
110void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev,
111 struct amdgpu_ps *rps)
112{
113 printk("\tstatus:");
114 if (rps == adev->pm.dpm.current_ps)
115 pr_cont(" c");
116 if (rps == adev->pm.dpm.requested_ps)
117 pr_cont(" r");
118 if (rps == adev->pm.dpm.boot_ps)
119 pr_cont(" b");
120 pr_cont("\n");
121}
122
123void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
124{
125 struct drm_device *ddev = adev_to_drm(adev);
126 struct drm_crtc *crtc;
127 struct amdgpu_crtc *amdgpu_crtc;
128
129 adev->pm.dpm.new_active_crtcs = 0;
130 adev->pm.dpm.new_active_crtc_count = 0;
131 if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
132 list_for_each_entry(crtc,
133 &ddev->mode_config.crtc_list, head) {
134 amdgpu_crtc = to_amdgpu_crtc(crtc);
135 if (amdgpu_crtc->enabled) {
136 adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id);
137 adev->pm.dpm.new_active_crtc_count++;
138 }
139 }
140 }
141}
142
143
144u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev)
145{
146 struct drm_device *dev = adev_to_drm(adev);
147 struct drm_crtc *crtc;
148 struct amdgpu_crtc *amdgpu_crtc;
149 u32 vblank_in_pixels;
150 u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
151
152 if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
153 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
154 amdgpu_crtc = to_amdgpu_crtc(crtc);
155 if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) {
156 vblank_in_pixels =
157 amdgpu_crtc->hw_mode.crtc_htotal *
158 (amdgpu_crtc->hw_mode.crtc_vblank_end -
159 amdgpu_crtc->hw_mode.crtc_vdisplay +
160 (amdgpu_crtc->v_border * 2));
161
162 vblank_time_us = vblank_in_pixels * 1000 / amdgpu_crtc->hw_mode.clock;
163 break;
164 }
165 }
166 }
167
168 return vblank_time_us;
169}
170
171u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
172{
173 struct drm_device *dev = adev_to_drm(adev);
174 struct drm_crtc *crtc;
175 struct amdgpu_crtc *amdgpu_crtc;
176 u32 vrefresh = 0;
177
178 if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
179 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
180 amdgpu_crtc = to_amdgpu_crtc(crtc);
181 if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) {
182 vrefresh = drm_mode_vrefresh(&amdgpu_crtc->hw_mode);
183 break;
184 }
185 }
186 }
187
188 return vrefresh;
189}
190
191bool amdgpu_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor)
192{
193 switch (sensor) {
194 case THERMAL_TYPE_RV6XX:
195 case THERMAL_TYPE_RV770:
196 case THERMAL_TYPE_EVERGREEN:
197 case THERMAL_TYPE_SUMO:
198 case THERMAL_TYPE_NI:
199 case THERMAL_TYPE_SI:
200 case THERMAL_TYPE_CI:
201 case THERMAL_TYPE_KV:
202 return true;
203 case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
204 case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
205 return false; /* need special handling */
206 case THERMAL_TYPE_NONE:
207 case THERMAL_TYPE_EXTERNAL:
208 case THERMAL_TYPE_EXTERNAL_GPIO:
209 default:
210 return false;
211 }
212}
213
214union power_info {
215 struct _ATOM_POWERPLAY_INFO info;
216 struct _ATOM_POWERPLAY_INFO_V2 info_2;
217 struct _ATOM_POWERPLAY_INFO_V3 info_3;
218 struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
219 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
220 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
221 struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
222 struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
223};
224
225union fan_info {
226 struct _ATOM_PPLIB_FANTABLE fan;
227 struct _ATOM_PPLIB_FANTABLE2 fan2;
228 struct _ATOM_PPLIB_FANTABLE3 fan3;
229};
230
231static int amdgpu_parse_clk_voltage_dep_table(struct amdgpu_clock_voltage_dependency_table *amdgpu_table,
232 ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
233{
234 u32 size = atom_table->ucNumEntries *
235 sizeof(struct amdgpu_clock_voltage_dependency_entry);
236 int i;
237 ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
238
239 amdgpu_table->entries = kzalloc(size, GFP_KERNEL);
240 if (!amdgpu_table->entries)
241 return -ENOMEM;
242
243 entry = &atom_table->entries[0];
244 for (i = 0; i < atom_table->ucNumEntries; i++) {
245 amdgpu_table->entries[i].clk = le16_to_cpu(entry->usClockLow) |
246 (entry->ucClockHigh << 16);
247 amdgpu_table->entries[i].v = le16_to_cpu(entry->usVoltage);
248 entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
249 ((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
250 }
251 amdgpu_table->count = atom_table->ucNumEntries;
252
253 return 0;
254}
255
256int amdgpu_get_platform_caps(struct amdgpu_device *adev)
257{
258 struct amdgpu_mode_info *mode_info = &adev->mode_info;
259 union power_info *power_info;
260 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
261 u16 data_offset;
262 u8 frev, crev;
263
264 if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
265 &frev, &crev, &data_offset))
266 return -EINVAL;
267 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
268
269 adev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
270 adev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
271 adev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
272
273 return 0;
274}
275
276/* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
277#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
278#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
279#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
280#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
281#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
282#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
283#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8 24
284#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V9 26
285
286int amdgpu_parse_extended_power_table(struct amdgpu_device *adev)
287{
288 struct amdgpu_mode_info *mode_info = &adev->mode_info;
289 union power_info *power_info;
290 union fan_info *fan_info;
291 ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
292 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
293 u16 data_offset;
294 u8 frev, crev;
295 int ret, i;
296
297 if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
298 &frev, &crev, &data_offset))
299 return -EINVAL;
300 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
301
302 /* fan table */
303 if (le16_to_cpu(power_info->pplib.usTableSize) >=
304 sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
305 if (power_info->pplib3.usFanTableOffset) {
306 fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
307 le16_to_cpu(power_info->pplib3.usFanTableOffset));
308 adev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
309 adev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
310 adev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
311 adev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
312 adev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
313 adev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
314 adev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
315 if (fan_info->fan.ucFanTableFormat >= 2)
316 adev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
317 else
318 adev->pm.dpm.fan.t_max = 10900;
319 adev->pm.dpm.fan.cycle_delay = 100000;
320 if (fan_info->fan.ucFanTableFormat >= 3) {
321 adev->pm.dpm.fan.control_mode = fan_info->fan3.ucFanControlMode;
322 adev->pm.dpm.fan.default_max_fan_pwm =
323 le16_to_cpu(fan_info->fan3.usFanPWMMax);
324 adev->pm.dpm.fan.default_fan_output_sensitivity = 4836;
325 adev->pm.dpm.fan.fan_output_sensitivity =
326 le16_to_cpu(fan_info->fan3.usFanOutputSensitivity);
327 }
328 adev->pm.dpm.fan.ucode_fan_control = true;
329 }
330 }
331
332 /* clock dependancy tables, shedding tables */
333 if (le16_to_cpu(power_info->pplib.usTableSize) >=
334 sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
335 if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
336 dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
337 (mode_info->atom_context->bios + data_offset +
338 le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
339 ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
340 dep_table);
341 if (ret) {
342 amdgpu_free_extended_power_table(adev);
343 return ret;
344 }
345 }
346 if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
347 dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
348 (mode_info->atom_context->bios + data_offset +
349 le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
350 ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
351 dep_table);
352 if (ret) {
353 amdgpu_free_extended_power_table(adev);
354 return ret;
355 }
356 }
357 if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
358 dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
359 (mode_info->atom_context->bios + data_offset +
360 le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
361 ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
362 dep_table);
363 if (ret) {
364 amdgpu_free_extended_power_table(adev);
365 return ret;
366 }
367 }
368 if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
369 dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
370 (mode_info->atom_context->bios + data_offset +
371 le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
372 ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
373 dep_table);
374 if (ret) {
375 amdgpu_free_extended_power_table(adev);
376 return ret;
377 }
378 }
379 if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
380 ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
381 (ATOM_PPLIB_Clock_Voltage_Limit_Table *)
382 (mode_info->atom_context->bios + data_offset +
383 le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
384 if (clk_v->ucNumEntries) {
385 adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
386 le16_to_cpu(clk_v->entries[0].usSclkLow) |
387 (clk_v->entries[0].ucSclkHigh << 16);
388 adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
389 le16_to_cpu(clk_v->entries[0].usMclkLow) |
390 (clk_v->entries[0].ucMclkHigh << 16);
391 adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
392 le16_to_cpu(clk_v->entries[0].usVddc);
393 adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
394 le16_to_cpu(clk_v->entries[0].usVddci);
395 }
396 }
397 if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) {
398 ATOM_PPLIB_PhaseSheddingLimits_Table *psl =
399 (ATOM_PPLIB_PhaseSheddingLimits_Table *)
400 (mode_info->atom_context->bios + data_offset +
401 le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
402 ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
403
404 adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
405 kcalloc(psl->ucNumEntries,
406 sizeof(struct amdgpu_phase_shedding_limits_entry),
407 GFP_KERNEL);
408 if (!adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
409 amdgpu_free_extended_power_table(adev);
410 return -ENOMEM;
411 }
412
413 entry = &psl->entries[0];
414 for (i = 0; i < psl->ucNumEntries; i++) {
415 adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
416 le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
417 adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
418 le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
419 adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
420 le16_to_cpu(entry->usVoltage);
421 entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
422 ((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
423 }
424 adev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
425 psl->ucNumEntries;
426 }
427 }
428
429 /* cac data */
430 if (le16_to_cpu(power_info->pplib.usTableSize) >=
431 sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
432 adev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
433 adev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
434 adev->pm.dpm.near_tdp_limit_adjusted = adev->pm.dpm.near_tdp_limit;
435 adev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
436 if (adev->pm.dpm.tdp_od_limit)
437 adev->pm.dpm.power_control = true;
438 else
439 adev->pm.dpm.power_control = false;
440 adev->pm.dpm.tdp_adjustment = 0;
441 adev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
442 adev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
443 adev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
444 if (power_info->pplib5.usCACLeakageTableOffset) {
445 ATOM_PPLIB_CAC_Leakage_Table *cac_table =
446 (ATOM_PPLIB_CAC_Leakage_Table *)
447 (mode_info->atom_context->bios + data_offset +
448 le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
449 ATOM_PPLIB_CAC_Leakage_Record *entry;
450 u32 size = cac_table->ucNumEntries * sizeof(struct amdgpu_cac_leakage_table);
451 adev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
452 if (!adev->pm.dpm.dyn_state.cac_leakage_table.entries) {
453 amdgpu_free_extended_power_table(adev);
454 return -ENOMEM;
455 }
456 entry = &cac_table->entries[0];
457 for (i = 0; i < cac_table->ucNumEntries; i++) {
458 if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
459 adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
460 le16_to_cpu(entry->usVddc1);
461 adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
462 le16_to_cpu(entry->usVddc2);
463 adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
464 le16_to_cpu(entry->usVddc3);
465 } else {
466 adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
467 le16_to_cpu(entry->usVddc);
468 adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
469 le32_to_cpu(entry->ulLeakageValue);
470 }
471 entry = (ATOM_PPLIB_CAC_Leakage_Record *)
472 ((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
473 }
474 adev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
475 }
476 }
477
478 /* ext tables */
479 if (le16_to_cpu(power_info->pplib.usTableSize) >=
480 sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
481 ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
482 (mode_info->atom_context->bios + data_offset +
483 le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
484 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
485 ext_hdr->usVCETableOffset) {
486 VCEClockInfoArray *array = (VCEClockInfoArray *)
487 (mode_info->atom_context->bios + data_offset +
488 le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
489 ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
490 (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
491 (mode_info->atom_context->bios + data_offset +
492 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
493 1 + array->ucNumEntries * sizeof(VCEClockInfo));
494 ATOM_PPLIB_VCE_State_Table *states =
495 (ATOM_PPLIB_VCE_State_Table *)
496 (mode_info->atom_context->bios + data_offset +
497 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
498 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) +
499 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)));
500 ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
501 ATOM_PPLIB_VCE_State_Record *state_entry;
502 VCEClockInfo *vce_clk;
503 u32 size = limits->numEntries *
504 sizeof(struct amdgpu_vce_clock_voltage_dependency_entry);
505 adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
506 kzalloc(size, GFP_KERNEL);
507 if (!adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
508 amdgpu_free_extended_power_table(adev);
509 return -ENOMEM;
510 }
511 adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
512 limits->numEntries;
513 entry = &limits->entries[0];
514 state_entry = &states->entries[0];
515 for (i = 0; i < limits->numEntries; i++) {
516 vce_clk = (VCEClockInfo *)
517 ((u8 *)&array->entries[0] +
518 (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
519 adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
520 le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
521 adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
522 le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
523 adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
524 le16_to_cpu(entry->usVoltage);
525 entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
526 ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
527 }
528 adev->pm.dpm.num_of_vce_states =
529 states->numEntries > AMD_MAX_VCE_LEVELS ?
530 AMD_MAX_VCE_LEVELS : states->numEntries;
531 for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
532 vce_clk = (VCEClockInfo *)
533 ((u8 *)&array->entries[0] +
534 (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
535 adev->pm.dpm.vce_states[i].evclk =
536 le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
537 adev->pm.dpm.vce_states[i].ecclk =
538 le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
539 adev->pm.dpm.vce_states[i].clk_idx =
540 state_entry->ucClockInfoIndex & 0x3f;
541 adev->pm.dpm.vce_states[i].pstate =
542 (state_entry->ucClockInfoIndex & 0xc0) >> 6;
543 state_entry = (ATOM_PPLIB_VCE_State_Record *)
544 ((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record));
545 }
546 }
547 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
548 ext_hdr->usUVDTableOffset) {
549 UVDClockInfoArray *array = (UVDClockInfoArray *)
550 (mode_info->atom_context->bios + data_offset +
551 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
552 ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
553 (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
554 (mode_info->atom_context->bios + data_offset +
555 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
556 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
557 ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
558 u32 size = limits->numEntries *
559 sizeof(struct amdgpu_uvd_clock_voltage_dependency_entry);
560 adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
561 kzalloc(size, GFP_KERNEL);
562 if (!adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
563 amdgpu_free_extended_power_table(adev);
564 return -ENOMEM;
565 }
566 adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
567 limits->numEntries;
568 entry = &limits->entries[0];
569 for (i = 0; i < limits->numEntries; i++) {
570 UVDClockInfo *uvd_clk = (UVDClockInfo *)
571 ((u8 *)&array->entries[0] +
572 (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
573 adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
574 le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
575 adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
576 le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
577 adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
578 le16_to_cpu(entry->usVoltage);
579 entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
580 ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
581 }
582 }
583 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
584 ext_hdr->usSAMUTableOffset) {
585 ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
586 (ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
587 (mode_info->atom_context->bios + data_offset +
588 le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
589 ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
590 u32 size = limits->numEntries *
591 sizeof(struct amdgpu_clock_voltage_dependency_entry);
592 adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
593 kzalloc(size, GFP_KERNEL);
594 if (!adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
595 amdgpu_free_extended_power_table(adev);
596 return -ENOMEM;
597 }
598 adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
599 limits->numEntries;
600 entry = &limits->entries[0];
601 for (i = 0; i < limits->numEntries; i++) {
602 adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
603 le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
604 adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
605 le16_to_cpu(entry->usVoltage);
606 entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
607 ((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
608 }
609 }
610 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
611 ext_hdr->usPPMTableOffset) {
612 ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
613 (mode_info->atom_context->bios + data_offset +
614 le16_to_cpu(ext_hdr->usPPMTableOffset));
615 adev->pm.dpm.dyn_state.ppm_table =
616 kzalloc(sizeof(struct amdgpu_ppm_table), GFP_KERNEL);
617 if (!adev->pm.dpm.dyn_state.ppm_table) {
618 amdgpu_free_extended_power_table(adev);
619 return -ENOMEM;
620 }
621 adev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
622 adev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
623 le16_to_cpu(ppm->usCpuCoreNumber);
624 adev->pm.dpm.dyn_state.ppm_table->platform_tdp =
625 le32_to_cpu(ppm->ulPlatformTDP);
626 adev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
627 le32_to_cpu(ppm->ulSmallACPlatformTDP);
628 adev->pm.dpm.dyn_state.ppm_table->platform_tdc =
629 le32_to_cpu(ppm->ulPlatformTDC);
630 adev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
631 le32_to_cpu(ppm->ulSmallACPlatformTDC);
632 adev->pm.dpm.dyn_state.ppm_table->apu_tdp =
633 le32_to_cpu(ppm->ulApuTDP);
634 adev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
635 le32_to_cpu(ppm->ulDGpuTDP);
636 adev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
637 le32_to_cpu(ppm->ulDGpuUlvPower);
638 adev->pm.dpm.dyn_state.ppm_table->tj_max =
639 le32_to_cpu(ppm->ulTjmax);
640 }
641 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
642 ext_hdr->usACPTableOffset) {
643 ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
644 (ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
645 (mode_info->atom_context->bios + data_offset +
646 le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
647 ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
648 u32 size = limits->numEntries *
649 sizeof(struct amdgpu_clock_voltage_dependency_entry);
650 adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
651 kzalloc(size, GFP_KERNEL);
652 if (!adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
653 amdgpu_free_extended_power_table(adev);
654 return -ENOMEM;
655 }
656 adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
657 limits->numEntries;
658 entry = &limits->entries[0];
659 for (i = 0; i < limits->numEntries; i++) {
660 adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
661 le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
662 adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
663 le16_to_cpu(entry->usVoltage);
664 entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
665 ((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
666 }
667 }
668 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
669 ext_hdr->usPowerTuneTableOffset) {
670 u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
671 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
672 ATOM_PowerTune_Table *pt;
673 adev->pm.dpm.dyn_state.cac_tdp_table =
674 kzalloc(sizeof(struct amdgpu_cac_tdp_table), GFP_KERNEL);
675 if (!adev->pm.dpm.dyn_state.cac_tdp_table) {
676 amdgpu_free_extended_power_table(adev);
677 return -ENOMEM;
678 }
679 if (rev > 0) {
680 ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
681 (mode_info->atom_context->bios + data_offset +
682 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
683 adev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
684 ppt->usMaximumPowerDeliveryLimit;
685 pt = &ppt->power_tune_table;
686 } else {
687 ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
688 (mode_info->atom_context->bios + data_offset +
689 le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
690 adev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
691 pt = &ppt->power_tune_table;
692 }
693 adev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
694 adev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
695 le16_to_cpu(pt->usConfigurableTDP);
696 adev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
697 adev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
698 le16_to_cpu(pt->usBatteryPowerLimit);
699 adev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
700 le16_to_cpu(pt->usSmallPowerLimit);
701 adev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
702 le16_to_cpu(pt->usLowCACLeakage);
703 adev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
704 le16_to_cpu(pt->usHighCACLeakage);
705 }
706 if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8) &&
707 ext_hdr->usSclkVddgfxTableOffset) {
708 dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
709 (mode_info->atom_context->bios + data_offset +
710 le16_to_cpu(ext_hdr->usSclkVddgfxTableOffset));
711 ret = amdgpu_parse_clk_voltage_dep_table(
712 &adev->pm.dpm.dyn_state.vddgfx_dependency_on_sclk,
713 dep_table);
714 if (ret) {
715 kfree(adev->pm.dpm.dyn_state.vddgfx_dependency_on_sclk.entries);
716 return ret;
717 }
718 }
719 }
720
721 return 0;
722}
723
724void amdgpu_free_extended_power_table(struct amdgpu_device *adev)
725{
726 struct amdgpu_dpm_dynamic_state *dyn_state = &adev->pm.dpm.dyn_state;
727
728 kfree(dyn_state->vddc_dependency_on_sclk.entries);
729 kfree(dyn_state->vddci_dependency_on_mclk.entries);
730 kfree(dyn_state->vddc_dependency_on_mclk.entries);
731 kfree(dyn_state->mvdd_dependency_on_mclk.entries);
732 kfree(dyn_state->cac_leakage_table.entries);
733 kfree(dyn_state->phase_shedding_limits_table.entries);
734 kfree(dyn_state->ppm_table);
735 kfree(dyn_state->cac_tdp_table);
736 kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
737 kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
738 kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
739 kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
740 kfree(dyn_state->vddgfx_dependency_on_sclk.entries);
741}
742
743static const char *pp_lib_thermal_controller_names[] = {
744 "NONE",
745 "lm63",
746 "adm1032",
747 "adm1030",
748 "max6649",
749 "lm64",
750 "f75375",
751 "RV6xx",
752 "RV770",
753 "adt7473",
754 "NONE",
755 "External GPIO",
756 "Evergreen",
757 "emc2103",
758 "Sumo",
759 "Northern Islands",
760 "Southern Islands",
761 "lm96163",
762 "Sea Islands",
763 "Kaveri/Kabini",
764};
765
766void amdgpu_add_thermal_controller(struct amdgpu_device *adev)
767{
768 struct amdgpu_mode_info *mode_info = &adev->mode_info;
769 ATOM_PPLIB_POWERPLAYTABLE *power_table;
770 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
771 ATOM_PPLIB_THERMALCONTROLLER *controller;
772 struct amdgpu_i2c_bus_rec i2c_bus;
773 u16 data_offset;
774 u8 frev, crev;
775
776 if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
777 &frev, &crev, &data_offset))
778 return;
779 power_table = (ATOM_PPLIB_POWERPLAYTABLE *)
780 (mode_info->atom_context->bios + data_offset);
781 controller = &power_table->sThermalController;
782
783 /* add the i2c bus for thermal/fan chip */
784 if (controller->ucType > 0) {
785 if (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN)
786 adev->pm.no_fan = true;
787 adev->pm.fan_pulses_per_revolution =
788 controller->ucFanParameters & ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
789 if (adev->pm.fan_pulses_per_revolution) {
790 adev->pm.fan_min_rpm = controller->ucFanMinRPM;
791 adev->pm.fan_max_rpm = controller->ucFanMaxRPM;
792 }
793 if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) {
794 DRM_INFO("Internal thermal controller %s fan control\n",
795 (controller->ucFanParameters &
796 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
797 adev->pm.int_thermal_type = THERMAL_TYPE_RV6XX;
798 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) {
799 DRM_INFO("Internal thermal controller %s fan control\n",
800 (controller->ucFanParameters &
801 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
802 adev->pm.int_thermal_type = THERMAL_TYPE_RV770;
803 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN) {
804 DRM_INFO("Internal thermal controller %s fan control\n",
805 (controller->ucFanParameters &
806 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
807 adev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN;
808 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) {
809 DRM_INFO("Internal thermal controller %s fan control\n",
810 (controller->ucFanParameters &
811 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
812 adev->pm.int_thermal_type = THERMAL_TYPE_SUMO;
813 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_NISLANDS) {
814 DRM_INFO("Internal thermal controller %s fan control\n",
815 (controller->ucFanParameters &
816 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
817 adev->pm.int_thermal_type = THERMAL_TYPE_NI;
818 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SISLANDS) {
819 DRM_INFO("Internal thermal controller %s fan control\n",
820 (controller->ucFanParameters &
821 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
822 adev->pm.int_thermal_type = THERMAL_TYPE_SI;
823 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_CISLANDS) {
824 DRM_INFO("Internal thermal controller %s fan control\n",
825 (controller->ucFanParameters &
826 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
827 adev->pm.int_thermal_type = THERMAL_TYPE_CI;
828 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_KAVERI) {
829 DRM_INFO("Internal thermal controller %s fan control\n",
830 (controller->ucFanParameters &
831 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
832 adev->pm.int_thermal_type = THERMAL_TYPE_KV;
833 } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) {
834 DRM_INFO("External GPIO thermal controller %s fan control\n",
835 (controller->ucFanParameters &
836 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
837 adev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL_GPIO;
838 } else if (controller->ucType ==
839 ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) {
840 DRM_INFO("ADT7473 with internal thermal controller %s fan control\n",
841 (controller->ucFanParameters &
842 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
843 adev->pm.int_thermal_type = THERMAL_TYPE_ADT7473_WITH_INTERNAL;
844 } else if (controller->ucType ==
845 ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL) {
846 DRM_INFO("EMC2103 with internal thermal controller %s fan control\n",
847 (controller->ucFanParameters &
848 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
849 adev->pm.int_thermal_type = THERMAL_TYPE_EMC2103_WITH_INTERNAL;
850 } else if (controller->ucType < ARRAY_SIZE(pp_lib_thermal_controller_names)) {
851 DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
852 pp_lib_thermal_controller_names[controller->ucType],
853 controller->ucI2cAddress >> 1,
854 (controller->ucFanParameters &
855 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
856 adev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL;
857 i2c_bus = amdgpu_atombios_lookup_i2c_gpio(adev, controller->ucI2cLine);
858 adev->pm.i2c_bus = amdgpu_i2c_lookup(adev, &i2c_bus);
859 if (adev->pm.i2c_bus) {
860 struct i2c_board_info info = { };
861 const char *name = pp_lib_thermal_controller_names[controller->ucType];
862 info.addr = controller->ucI2cAddress >> 1;
863 strlcpy(info.type, name, sizeof(info.type));
864 i2c_new_client_device(&adev->pm.i2c_bus->adapter, &info);
865 }
866 } else {
867 DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n",
868 controller->ucType,
869 controller->ucI2cAddress >> 1,
870 (controller->ucFanParameters &
871 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
872 }
873 }
874}
875
876enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev,
877 u32 sys_mask,
878 enum amdgpu_pcie_gen asic_gen,
879 enum amdgpu_pcie_gen default_gen)
880{
881 switch (asic_gen) {
882 case AMDGPU_PCIE_GEN1:
883 return AMDGPU_PCIE_GEN1;
884 case AMDGPU_PCIE_GEN2:
885 return AMDGPU_PCIE_GEN2;
886 case AMDGPU_PCIE_GEN3:
887 return AMDGPU_PCIE_GEN3;
888 default:
889 if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) &&
890 (default_gen == AMDGPU_PCIE_GEN3))
891 return AMDGPU_PCIE_GEN3;
892 else if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) &&
893 (default_gen == AMDGPU_PCIE_GEN2))
894 return AMDGPU_PCIE_GEN2;
895 else
896 return AMDGPU_PCIE_GEN1;
897 }
898 return AMDGPU_PCIE_GEN1;
899}
900
901struct amd_vce_state*
902amdgpu_get_vce_clock_state(void *handle, u32 idx)
903{
904 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
905
906 if (idx < adev->pm.dpm.num_of_vce_states)
907 return &adev->pm.dpm.vce_states[idx];
908
909 return NULL;
910}
911
912int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
913{
914 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
915
916 return pp_funcs->get_sclk((adev)->powerplay.pp_handle, (low));
917}
918
919int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low)
920{
921 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
922
923 return pp_funcs->get_mclk((adev)->powerplay.pp_handle, (low));
924}
925
926int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block_type, bool gate)
927{
928 int ret = 0;
929 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
930
931 switch (block_type) {
932 case AMD_IP_BLOCK_TYPE_UVD:
933 case AMD_IP_BLOCK_TYPE_VCE:
934 if (pp_funcs && pp_funcs->set_powergating_by_smu) {
935 /*
936 * TODO: need a better lock mechanism
937 *
938 * Here adev->pm.mutex lock protection is enforced on
939 * UVD and VCE cases only. Since for other cases, there
940 * may be already lock protection in amdgpu_pm.c.
941 * This is a quick fix for the deadlock issue below.
942 * NFO: task ocltst:2028 blocked for more than 120 seconds.
943 * Tainted: G OE 5.0.0-37-generic #40~18.04.1-Ubuntu
944 * echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
945 * cltst D 0 2028 2026 0x00000000
946 * all Trace:
947 * __schedule+0x2c0/0x870
948 * schedule+0x2c/0x70
949 * schedule_preempt_disabled+0xe/0x10
950 * __mutex_lock.isra.9+0x26d/0x4e0
951 * __mutex_lock_slowpath+0x13/0x20
952 * ? __mutex_lock_slowpath+0x13/0x20
953 * mutex_lock+0x2f/0x40
954 * amdgpu_dpm_set_powergating_by_smu+0x64/0xe0 [amdgpu]
955 * gfx_v8_0_enable_gfx_static_mg_power_gating+0x3c/0x70 [amdgpu]
956 * gfx_v8_0_set_powergating_state+0x66/0x260 [amdgpu]
957 * amdgpu_device_ip_set_powergating_state+0x62/0xb0 [amdgpu]
958 * pp_dpm_force_performance_level+0xe7/0x100 [amdgpu]
959 * amdgpu_set_dpm_forced_performance_level+0x129/0x330 [amdgpu]
960 */
961 mutex_lock(&adev->pm.mutex);
962 ret = (pp_funcs->set_powergating_by_smu(
963 (adev)->powerplay.pp_handle, block_type, gate));
964 mutex_unlock(&adev->pm.mutex);
965 }
966 break;
967 case AMD_IP_BLOCK_TYPE_GFX:
968 case AMD_IP_BLOCK_TYPE_VCN:
969 case AMD_IP_BLOCK_TYPE_SDMA:
970 case AMD_IP_BLOCK_TYPE_JPEG:
971 case AMD_IP_BLOCK_TYPE_GMC:
972 case AMD_IP_BLOCK_TYPE_ACP:
973 if (pp_funcs && pp_funcs->set_powergating_by_smu) {
974 ret = (pp_funcs->set_powergating_by_smu(
975 (adev)->powerplay.pp_handle, block_type, gate));
976 }
977 break;
978 default:
979 break;
980 }
981
982 return ret;
983}
984
985int amdgpu_dpm_baco_enter(struct amdgpu_device *adev)
986{
987 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
988 void *pp_handle = adev->powerplay.pp_handle;
989 int ret = 0;
990
991 if (!pp_funcs || !pp_funcs->set_asic_baco_state)
992 return -ENOENT;
993
994 /* enter BACO state */
995 ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
996
997 return ret;
998}
999
1000int amdgpu_dpm_baco_exit(struct amdgpu_device *adev)
1001{
1002 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1003 void *pp_handle = adev->powerplay.pp_handle;
1004 int ret = 0;
1005
1006 if (!pp_funcs || !pp_funcs->set_asic_baco_state)
1007 return -ENOENT;
1008
1009 /* exit BACO state */
1010 ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
1011
1012 return ret;
1013}
1014
1015int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev,
1016 enum pp_mp1_state mp1_state)
1017{
1018 int ret = 0;
1019 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1020
1021 if (pp_funcs && pp_funcs->set_mp1_state) {
1022 ret = pp_funcs->set_mp1_state(
1023 adev->powerplay.pp_handle,
1024 mp1_state);
1025 }
1026
1027 return ret;
1028}
1029
1030bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev)
1031{
1032 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1033 void *pp_handle = adev->powerplay.pp_handle;
1034 bool baco_cap;
1035
1036 if (!pp_funcs || !pp_funcs->get_asic_baco_capability)
1037 return false;
1038
1039 if (pp_funcs->get_asic_baco_capability(pp_handle, &baco_cap))
1040 return false;
1041
1042 return baco_cap;
1043}
1044
1045int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev)
1046{
1047 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1048 void *pp_handle = adev->powerplay.pp_handle;
1049
1050 if (!pp_funcs || !pp_funcs->asic_reset_mode_2)
1051 return -ENOENT;
1052
1053 return pp_funcs->asic_reset_mode_2(pp_handle);
1054}
1055
1056int amdgpu_dpm_baco_reset(struct amdgpu_device *adev)
1057{
1058 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1059 void *pp_handle = adev->powerplay.pp_handle;
1060 int ret = 0;
1061
1062 if (!pp_funcs || !pp_funcs->set_asic_baco_state)
1063 return -ENOENT;
1064
1065 /* enter BACO state */
1066 ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
1067 if (ret)
1068 return ret;
1069
1070 /* exit BACO state */
1071 ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
1072 if (ret)
1073 return ret;
1074
1075 return 0;
1076}
1077
1078bool amdgpu_dpm_is_mode1_reset_supported(struct amdgpu_device *adev)
1079{
1080 struct smu_context *smu = &adev->smu;
1081
1082 if (is_support_sw_smu(adev))
1083 return smu_mode1_reset_is_support(smu);
1084
1085 return false;
1086}
1087
1088int amdgpu_dpm_mode1_reset(struct amdgpu_device *adev)
1089{
1090 struct smu_context *smu = &adev->smu;
1091
1092 if (is_support_sw_smu(adev))
1093 return smu_mode1_reset(smu);
1094
1095 return -EOPNOTSUPP;
1096}
1097
1098int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
1099 enum PP_SMC_POWER_PROFILE type,
1100 bool en)
1101{
1102 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1103 int ret = 0;
1104
1105 if (amdgpu_sriov_vf(adev))
1106 return 0;
1107
1108 if (pp_funcs && pp_funcs->switch_power_profile)
1109 ret = pp_funcs->switch_power_profile(
1110 adev->powerplay.pp_handle, type, en);
1111
1112 return ret;
1113}
1114
1115int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
1116 uint32_t pstate)
1117{
1118 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1119 int ret = 0;
1120
1121 if (pp_funcs && pp_funcs->set_xgmi_pstate)
1122 ret = pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle,
1123 pstate);
1124
1125 return ret;
1126}
1127
1128int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
1129 uint32_t cstate)
1130{
1131 int ret = 0;
1132 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1133 void *pp_handle = adev->powerplay.pp_handle;
1134
1135 if (pp_funcs && pp_funcs->set_df_cstate)
1136 ret = pp_funcs->set_df_cstate(pp_handle, cstate);
1137
1138 return ret;
1139}
1140
1141int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en)
1142{
1143 struct smu_context *smu = &adev->smu;
1144
1145 if (is_support_sw_smu(adev))
1146 return smu_allow_xgmi_power_down(smu, en);
1147
1148 return 0;
1149}
1150
1151int amdgpu_dpm_enable_mgpu_fan_boost(struct amdgpu_device *adev)
1152{
1153 void *pp_handle = adev->powerplay.pp_handle;
1154 const struct amd_pm_funcs *pp_funcs =
1155 adev->powerplay.pp_funcs;
1156 int ret = 0;
1157
1158 if (pp_funcs && pp_funcs->enable_mgpu_fan_boost)
1159 ret = pp_funcs->enable_mgpu_fan_boost(pp_handle);
1160
1161 return ret;
1162}
1163
1164int amdgpu_dpm_set_clockgating_by_smu(struct amdgpu_device *adev,
1165 uint32_t msg_id)
1166{
1167 void *pp_handle = adev->powerplay.pp_handle;
1168 const struct amd_pm_funcs *pp_funcs =
1169 adev->powerplay.pp_funcs;
1170 int ret = 0;
1171
1172 if (pp_funcs && pp_funcs->set_clockgating_by_smu)
1173 ret = pp_funcs->set_clockgating_by_smu(pp_handle,
1174 msg_id);
1175
1176 return ret;
1177}
1178
1179int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev,
1180 bool acquire)
1181{
1182 void *pp_handle = adev->powerplay.pp_handle;
1183 const struct amd_pm_funcs *pp_funcs =
1184 adev->powerplay.pp_funcs;
1185 int ret = -EOPNOTSUPP;
1186
1187 if (pp_funcs && pp_funcs->smu_i2c_bus_access)
1188 ret = pp_funcs->smu_i2c_bus_access(pp_handle,
1189 acquire);
1190
1191 return ret;
1192}
1193
1194void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
1195{
1196 if (adev->pm.dpm_enabled) {
1197 mutex_lock(&adev->pm.mutex);
1198 if (power_supply_is_system_supplied() > 0)
1199 adev->pm.ac_power = true;
1200 else
1201 adev->pm.ac_power = false;
1202 if (adev->powerplay.pp_funcs &&
1203 adev->powerplay.pp_funcs->enable_bapm)
1204 amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
1205 mutex_unlock(&adev->pm.mutex);
1206
1207 if (is_support_sw_smu(adev))
1208 smu_set_ac_dc(&adev->smu);
1209 }
1210}
1211
1212int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,
1213 void *data, uint32_t *size)
1214{
1215 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1216 int ret = 0;
1217
1218 if (!data || !size)
1219 return -EINVAL;
1220
1221 if (pp_funcs && pp_funcs->read_sensor)
1222 ret = pp_funcs->read_sensor((adev)->powerplay.pp_handle,
1223 sensor, data, size);
1224 else
1225 ret = -EINVAL;
1226
1227 return ret;
1228}
1229
1230void amdgpu_dpm_thermal_work_handler(struct work_struct *work)
1231{
1232 struct amdgpu_device *adev =
1233 container_of(work, struct amdgpu_device,
1234 pm.dpm.thermal.work);
1235 /* switch to the thermal state */
1236 enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL;
1237 int temp, size = sizeof(temp);
1238
1239 if (!adev->pm.dpm_enabled)
1240 return;
1241
1242 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP,
1243 (void *)&temp, &size)) {
1244 if (temp < adev->pm.dpm.thermal.min_temp)
1245 /* switch back the user state */
1246 dpm_state = adev->pm.dpm.user_state;
1247 } else {
1248 if (adev->pm.dpm.thermal.high_to_low)
1249 /* switch back the user state */
1250 dpm_state = adev->pm.dpm.user_state;
1251 }
1252 mutex_lock(&adev->pm.mutex);
1253 if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL)
1254 adev->pm.dpm.thermal_active = true;
1255 else
1256 adev->pm.dpm.thermal_active = false;
1257 adev->pm.dpm.state = dpm_state;
1258 mutex_unlock(&adev->pm.mutex);
1259
1260 amdgpu_pm_compute_clocks(adev);
1261}
1262
1263static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev,
1264 enum amd_pm_state_type dpm_state)
1265{
1266 int i;
1267 struct amdgpu_ps *ps;
1268 u32 ui_class;
1269 bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ?
1270 true : false;
1271
1272 /* check if the vblank period is too short to adjust the mclk */
1273 if (single_display && adev->powerplay.pp_funcs->vblank_too_short) {
1274 if (amdgpu_dpm_vblank_too_short(adev))
1275 single_display = false;
1276 }
1277
1278 /* certain older asics have a separare 3D performance state,
1279 * so try that first if the user selected performance
1280 */
1281 if (dpm_state == POWER_STATE_TYPE_PERFORMANCE)
1282 dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF;
1283 /* balanced states don't exist at the moment */
1284 if (dpm_state == POWER_STATE_TYPE_BALANCED)
1285 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
1286
1287restart_search:
1288 /* Pick the best power state based on current conditions */
1289 for (i = 0; i < adev->pm.dpm.num_ps; i++) {
1290 ps = &adev->pm.dpm.ps[i];
1291 ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK;
1292 switch (dpm_state) {
1293 /* user states */
1294 case POWER_STATE_TYPE_BATTERY:
1295 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) {
1296 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
1297 if (single_display)
1298 return ps;
1299 } else
1300 return ps;
1301 }
1302 break;
1303 case POWER_STATE_TYPE_BALANCED:
1304 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) {
1305 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
1306 if (single_display)
1307 return ps;
1308 } else
1309 return ps;
1310 }
1311 break;
1312 case POWER_STATE_TYPE_PERFORMANCE:
1313 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
1314 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
1315 if (single_display)
1316 return ps;
1317 } else
1318 return ps;
1319 }
1320 break;
1321 /* internal states */
1322 case POWER_STATE_TYPE_INTERNAL_UVD:
1323 if (adev->pm.dpm.uvd_ps)
1324 return adev->pm.dpm.uvd_ps;
1325 else
1326 break;
1327 case POWER_STATE_TYPE_INTERNAL_UVD_SD:
1328 if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
1329 return ps;
1330 break;
1331 case POWER_STATE_TYPE_INTERNAL_UVD_HD:
1332 if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
1333 return ps;
1334 break;
1335 case POWER_STATE_TYPE_INTERNAL_UVD_HD2:
1336 if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
1337 return ps;
1338 break;
1339 case POWER_STATE_TYPE_INTERNAL_UVD_MVC:
1340 if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
1341 return ps;
1342 break;
1343 case POWER_STATE_TYPE_INTERNAL_BOOT:
1344 return adev->pm.dpm.boot_ps;
1345 case POWER_STATE_TYPE_INTERNAL_THERMAL:
1346 if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1347 return ps;
1348 break;
1349 case POWER_STATE_TYPE_INTERNAL_ACPI:
1350 if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI)
1351 return ps;
1352 break;
1353 case POWER_STATE_TYPE_INTERNAL_ULV:
1354 if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
1355 return ps;
1356 break;
1357 case POWER_STATE_TYPE_INTERNAL_3DPERF:
1358 if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
1359 return ps;
1360 break;
1361 default:
1362 break;
1363 }
1364 }
1365 /* use a fallback state if we didn't match */
1366 switch (dpm_state) {
1367 case POWER_STATE_TYPE_INTERNAL_UVD_SD:
1368 dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD;
1369 goto restart_search;
1370 case POWER_STATE_TYPE_INTERNAL_UVD_HD:
1371 case POWER_STATE_TYPE_INTERNAL_UVD_HD2:
1372 case POWER_STATE_TYPE_INTERNAL_UVD_MVC:
1373 if (adev->pm.dpm.uvd_ps) {
1374 return adev->pm.dpm.uvd_ps;
1375 } else {
1376 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
1377 goto restart_search;
1378 }
1379 case POWER_STATE_TYPE_INTERNAL_THERMAL:
1380 dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI;
1381 goto restart_search;
1382 case POWER_STATE_TYPE_INTERNAL_ACPI:
1383 dpm_state = POWER_STATE_TYPE_BATTERY;
1384 goto restart_search;
1385 case POWER_STATE_TYPE_BATTERY:
1386 case POWER_STATE_TYPE_BALANCED:
1387 case POWER_STATE_TYPE_INTERNAL_3DPERF:
1388 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
1389 goto restart_search;
1390 default:
1391 break;
1392 }
1393
1394 return NULL;
1395}
1396
1397static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)
1398{
1399 struct amdgpu_ps *ps;
1400 enum amd_pm_state_type dpm_state;
1401 int ret;
1402 bool equal = false;
1403
1404 /* if dpm init failed */
1405 if (!adev->pm.dpm_enabled)
1406 return;
1407
1408 if (adev->pm.dpm.user_state != adev->pm.dpm.state) {
1409 /* add other state override checks here */
1410 if ((!adev->pm.dpm.thermal_active) &&
1411 (!adev->pm.dpm.uvd_active))
1412 adev->pm.dpm.state = adev->pm.dpm.user_state;
1413 }
1414 dpm_state = adev->pm.dpm.state;
1415
1416 ps = amdgpu_dpm_pick_power_state(adev, dpm_state);
1417 if (ps)
1418 adev->pm.dpm.requested_ps = ps;
1419 else
1420 return;
1421
1422 if (amdgpu_dpm == 1 && adev->powerplay.pp_funcs->print_power_state) {
1423 printk("switching from power state:\n");
1424 amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps);
1425 printk("switching to power state:\n");
1426 amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps);
1427 }
1428
1429 /* update whether vce is active */
1430 ps->vce_active = adev->pm.dpm.vce_active;
1431 if (adev->powerplay.pp_funcs->display_configuration_changed)
1432 amdgpu_dpm_display_configuration_changed(adev);
1433
1434 ret = amdgpu_dpm_pre_set_power_state(adev);
1435 if (ret)
1436 return;
1437
1438 if (adev->powerplay.pp_funcs->check_state_equal) {
1439 if (0 != amdgpu_dpm_check_state_equal(adev, adev->pm.dpm.current_ps, adev->pm.dpm.requested_ps, &equal))
1440 equal = false;
1441 }
1442
1443 if (equal)
1444 return;
1445
1446 amdgpu_dpm_set_power_state(adev);
1447 amdgpu_dpm_post_set_power_state(adev);
1448
1449 adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;
1450 adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;
1451
1452 if (adev->powerplay.pp_funcs->force_performance_level) {
1453 if (adev->pm.dpm.thermal_active) {
1454 enum amd_dpm_forced_level level = adev->pm.dpm.forced_level;
1455 /* force low perf level for thermal */
1456 amdgpu_dpm_force_performance_level(adev, AMD_DPM_FORCED_LEVEL_LOW);
1457 /* save the user's level */
1458 adev->pm.dpm.forced_level = level;
1459 } else {
1460 /* otherwise, user selected level */
1461 amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level);
1462 }
1463 }
1464}
1465
1466void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
1467{
1468 int i = 0;
1469
1470 if (!adev->pm.dpm_enabled)
1471 return;
1472
1473 if (adev->mode_info.num_crtc)
1474 amdgpu_display_bandwidth_update(adev);
1475
1476 for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
1477 struct amdgpu_ring *ring = adev->rings[i];
1478 if (ring && ring->sched.ready)
1479 amdgpu_fence_wait_empty(ring);
1480 }
1481
1482 if (adev->powerplay.pp_funcs->dispatch_tasks) {
1483 if (!amdgpu_device_has_dc_support(adev)) {
1484 mutex_lock(&adev->pm.mutex);
1485 amdgpu_dpm_get_active_displays(adev);
1486 adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count;
1487 adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev);
1488 adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev);
1489 /* we have issues with mclk switching with
1490 * refresh rates over 120 hz on the non-DC code.
1491 */
1492 if (adev->pm.pm_display_cfg.vrefresh > 120)
1493 adev->pm.pm_display_cfg.min_vblank_time = 0;
1494 if (adev->powerplay.pp_funcs->display_configuration_change)
1495 adev->powerplay.pp_funcs->display_configuration_change(
1496 adev->powerplay.pp_handle,
1497 &adev->pm.pm_display_cfg);
1498 mutex_unlock(&adev->pm.mutex);
1499 }
1500 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL);
1501 } else {
1502 mutex_lock(&adev->pm.mutex);
1503 amdgpu_dpm_get_active_displays(adev);
1504 amdgpu_dpm_change_power_state_locked(adev);
1505 mutex_unlock(&adev->pm.mutex);
1506 }
1507}
1508
1509void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
1510{
1511 int ret = 0;
1512
1513 if (adev->family == AMDGPU_FAMILY_SI) {
1514 mutex_lock(&adev->pm.mutex);
1515 if (enable) {
1516 adev->pm.dpm.uvd_active = true;
1517 adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
1518 } else {
1519 adev->pm.dpm.uvd_active = false;
1520 }
1521 mutex_unlock(&adev->pm.mutex);
1522
1523 amdgpu_pm_compute_clocks(adev);
1524 } else {
1525 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable);
1526 if (ret)
1527 DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
1528 enable ? "enable" : "disable", ret);
1529
1530 /* enable/disable Low Memory PState for UVD (4k videos) */
1531 if (adev->asic_type == CHIP_STONEY &&
1532 adev->uvd.decode_image_width >= WIDTH_4K) {
1533 struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
1534
1535 if (hwmgr && hwmgr->hwmgr_func &&
1536 hwmgr->hwmgr_func->update_nbdpm_pstate)
1537 hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr,
1538 !enable,
1539 true);
1540 }
1541 }
1542}
1543
1544void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
1545{
1546 int ret = 0;
1547
1548 if (adev->family == AMDGPU_FAMILY_SI) {
1549 mutex_lock(&adev->pm.mutex);
1550 if (enable) {
1551 adev->pm.dpm.vce_active = true;
1552 /* XXX select vce level based on ring/task */
1553 adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL;
1554 } else {
1555 adev->pm.dpm.vce_active = false;
1556 }
1557 mutex_unlock(&adev->pm.mutex);
1558
1559 amdgpu_pm_compute_clocks(adev);
1560 } else {
1561 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable);
1562 if (ret)
1563 DRM_ERROR("Dpm %s vce failed, ret = %d. \n",
1564 enable ? "enable" : "disable", ret);
1565 }
1566}
1567
1568void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
1569{
1570 int i;
1571
1572 if (adev->powerplay.pp_funcs->print_power_state == NULL)
1573 return;
1574
1575 for (i = 0; i < adev->pm.dpm.num_ps; i++)
1576 amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]);
1577
1578}
1579
1580void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable)
1581{
1582 int ret = 0;
1583
1584 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable);
1585 if (ret)
1586 DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n",
1587 enable ? "enable" : "disable", ret);
1588}
1589
1590int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version)
1591{
1592 int r;
1593
1594 if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) {
1595 r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
1596 if (r) {
1597 pr_err("smu firmware loading failed\n");
1598 return r;
1599 }
1600
1601 if (smu_version)
1602 *smu_version = adev->pm.fw_version;
1603 }
1604
1605 return 0;
1606}