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WIP FPC-III support
[linux/fpc-iii.git] / drivers / gpu / drm / amd / pm / amdgpu_dpm.c
blob8fb12afe3c96ad6994c6a4dc6b8ad1ad6cad7e9a
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
37 void 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
98 void 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
110 void 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
123 void 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
144 u32 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
171 u32 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
191 bool 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
214 union 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
225 union fan_info {
226 struct _ATOM_PPLIB_FANTABLE fan;
227 struct _ATOM_PPLIB_FANTABLE2 fan2;
228 struct _ATOM_PPLIB_FANTABLE3 fan3;
229 };
230
231 static 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
256 int 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
286 int 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
724 void 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
743 static 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
766 void 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
876 enum 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
901 struct amd_vce_state*
902 amdgpu_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
912 int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
913 {
914 uint32_t clk_freq;
915 int ret = 0;
916 if (is_support_sw_smu(adev)) {
917 ret = smu_get_dpm_freq_range(&adev->smu, SMU_GFXCLK,
918 low ? &clk_freq : NULL,
919 !low ? &clk_freq : NULL);
920 if (ret)
921 return 0;
922 return clk_freq * 100;
923
924 } else {
925 return (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (low));
926 }
927 }
928
929 int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low)
930 {
931 uint32_t clk_freq;
932 int ret = 0;
933 if (is_support_sw_smu(adev)) {
934 ret = smu_get_dpm_freq_range(&adev->smu, SMU_UCLK,
935 low ? &clk_freq : NULL,
936 !low ? &clk_freq : NULL);
937 if (ret)
938 return 0;
939 return clk_freq * 100;
940
941 } else {
942 return (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (low));
943 }
944 }
945
946 int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block_type, bool gate)
947 {
948 int ret = 0;
949 bool swsmu = is_support_sw_smu(adev);
950
951 switch (block_type) {
952 case AMD_IP_BLOCK_TYPE_UVD:
953 case AMD_IP_BLOCK_TYPE_VCE:
954 if (swsmu) {
955 ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate);
956 } else if (adev->powerplay.pp_funcs &&
957 adev->powerplay.pp_funcs->set_powergating_by_smu) {
958 /*
959 * TODO: need a better lock mechanism
960 *
961 * Here adev->pm.mutex lock protection is enforced on
962 * UVD and VCE cases only. Since for other cases, there
963 * may be already lock protection in amdgpu_pm.c.
964 * This is a quick fix for the deadlock issue below.
965 * NFO: task ocltst:2028 blocked for more than 120 seconds.
966 * Tainted: G OE 5.0.0-37-generic #40~18.04.1-Ubuntu
967 * echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
968 * cltst D 0 2028 2026 0x00000000
969 * all Trace:
970 * __schedule+0x2c0/0x870
971 * schedule+0x2c/0x70
972 * schedule_preempt_disabled+0xe/0x10
973 * __mutex_lock.isra.9+0x26d/0x4e0
974 * __mutex_lock_slowpath+0x13/0x20
975 * ? __mutex_lock_slowpath+0x13/0x20
976 * mutex_lock+0x2f/0x40
977 * amdgpu_dpm_set_powergating_by_smu+0x64/0xe0 [amdgpu]
978 * gfx_v8_0_enable_gfx_static_mg_power_gating+0x3c/0x70 [amdgpu]
979 * gfx_v8_0_set_powergating_state+0x66/0x260 [amdgpu]
980 * amdgpu_device_ip_set_powergating_state+0x62/0xb0 [amdgpu]
981 * pp_dpm_force_performance_level+0xe7/0x100 [amdgpu]
982 * amdgpu_set_dpm_forced_performance_level+0x129/0x330 [amdgpu]
983 */
984 mutex_lock(&adev->pm.mutex);
985 ret = ((adev)->powerplay.pp_funcs->set_powergating_by_smu(
986 (adev)->powerplay.pp_handle, block_type, gate));
987 mutex_unlock(&adev->pm.mutex);
988 }
989 break;
990 case AMD_IP_BLOCK_TYPE_GFX:
991 case AMD_IP_BLOCK_TYPE_VCN:
992 case AMD_IP_BLOCK_TYPE_SDMA:
993 if (swsmu)
994 ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate);
995 else if (adev->powerplay.pp_funcs &&
996 adev->powerplay.pp_funcs->set_powergating_by_smu)
997 ret = ((adev)->powerplay.pp_funcs->set_powergating_by_smu(
998 (adev)->powerplay.pp_handle, block_type, gate));
999 break;
1000 case AMD_IP_BLOCK_TYPE_JPEG:
1001 if (swsmu)
1002 ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate);
1003 break;
1004 case AMD_IP_BLOCK_TYPE_GMC:
1005 case AMD_IP_BLOCK_TYPE_ACP:
1006 if (adev->powerplay.pp_funcs &&
1007 adev->powerplay.pp_funcs->set_powergating_by_smu)
1008 ret = ((adev)->powerplay.pp_funcs->set_powergating_by_smu(
1009 (adev)->powerplay.pp_handle, block_type, gate));
1010 break;
1011 default:
1012 break;
1013 }
1014
1015 return ret;
1016 }
1017
1018 int amdgpu_dpm_baco_enter(struct amdgpu_device *adev)
1019 {
1020 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1021 void *pp_handle = adev->powerplay.pp_handle;
1022 struct smu_context *smu = &adev->smu;
1023 int ret = 0;
1024
1025 if (is_support_sw_smu(adev)) {
1026 ret = smu_baco_enter(smu);
1027 } else {
1028 if (!pp_funcs || !pp_funcs->set_asic_baco_state)
1029 return -ENOENT;
1030
1031 /* enter BACO state */
1032 ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
1033 }
1034
1035 return ret;
1036 }
1037
1038 int amdgpu_dpm_baco_exit(struct amdgpu_device *adev)
1039 {
1040 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1041 void *pp_handle = adev->powerplay.pp_handle;
1042 struct smu_context *smu = &adev->smu;
1043 int ret = 0;
1044
1045 if (is_support_sw_smu(adev)) {
1046 ret = smu_baco_exit(smu);
1047 } else {
1048 if (!pp_funcs || !pp_funcs->set_asic_baco_state)
1049 return -ENOENT;
1050
1051 /* exit BACO state */
1052 ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
1053 }
1054
1055 return ret;
1056 }
1057
1058 int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev,
1059 enum pp_mp1_state mp1_state)
1060 {
1061 int ret = 0;
1062
1063 if (is_support_sw_smu(adev)) {
1064 ret = smu_set_mp1_state(&adev->smu, mp1_state);
1065 } else if (adev->powerplay.pp_funcs &&
1066 adev->powerplay.pp_funcs->set_mp1_state) {
1067 ret = adev->powerplay.pp_funcs->set_mp1_state(
1068 adev->powerplay.pp_handle,
1069 mp1_state);
1070 }
1071
1072 return ret;
1073 }
1074
1075 bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev)
1076 {
1077 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1078 void *pp_handle = adev->powerplay.pp_handle;
1079 struct smu_context *smu = &adev->smu;
1080 bool baco_cap;
1081
1082 if (is_support_sw_smu(adev)) {
1083 return smu_baco_is_support(smu);
1084 } else {
1085 if (!pp_funcs || !pp_funcs->get_asic_baco_capability)
1086 return false;
1087
1088 if (pp_funcs->get_asic_baco_capability(pp_handle, &baco_cap))
1089 return false;
1090
1091 return baco_cap ? true : false;
1092 }
1093 }
1094
1095 int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev)
1096 {
1097 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1098 void *pp_handle = adev->powerplay.pp_handle;
1099 struct smu_context *smu = &adev->smu;
1100
1101 if (is_support_sw_smu(adev)) {
1102 return smu_mode2_reset(smu);
1103 } else {
1104 if (!pp_funcs || !pp_funcs->asic_reset_mode_2)
1105 return -ENOENT;
1106
1107 return pp_funcs->asic_reset_mode_2(pp_handle);
1108 }
1109 }
1110
1111 int amdgpu_dpm_baco_reset(struct amdgpu_device *adev)
1112 {
1113 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1114 void *pp_handle = adev->powerplay.pp_handle;
1115 struct smu_context *smu = &adev->smu;
1116 int ret = 0;
1117
1118 if (is_support_sw_smu(adev)) {
1119 ret = smu_baco_enter(smu);
1120 if (ret)
1121 return ret;
1122
1123 ret = smu_baco_exit(smu);
1124 if (ret)
1125 return ret;
1126 } else {
1127 if (!pp_funcs
1128 || !pp_funcs->set_asic_baco_state)
1129 return -ENOENT;
1130
1131 /* enter BACO state */
1132 ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
1133 if (ret)
1134 return ret;
1135
1136 /* exit BACO state */
1137 ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
1138 if (ret)
1139 return ret;
1140 }
1141
1142 return 0;
1143 }
1144
1145 bool amdgpu_dpm_is_mode1_reset_supported(struct amdgpu_device *adev)
1146 {
1147 struct smu_context *smu = &adev->smu;
1148
1149 if (is_support_sw_smu(adev))
1150 return smu_mode1_reset_is_support(smu);
1151
1152 return false;
1153 }
1154
1155 int amdgpu_dpm_mode1_reset(struct amdgpu_device *adev)
1156 {
1157 struct smu_context *smu = &adev->smu;
1158
1159 if (is_support_sw_smu(adev))
1160 return smu_mode1_reset(smu);
1161
1162 return -EOPNOTSUPP;
1163 }
1164
1165 int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
1166 enum PP_SMC_POWER_PROFILE type,
1167 bool en)
1168 {
1169 int ret = 0;
1170
1171 if (amdgpu_sriov_vf(adev))
1172 return 0;
1173
1174 if (is_support_sw_smu(adev))
1175 ret = smu_switch_power_profile(&adev->smu, type, en);
1176 else if (adev->powerplay.pp_funcs &&
1177 adev->powerplay.pp_funcs->switch_power_profile)
1178 ret = adev->powerplay.pp_funcs->switch_power_profile(
1179 adev->powerplay.pp_handle, type, en);
1180
1181 return ret;
1182 }
1183
1184 int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
1185 uint32_t pstate)
1186 {
1187 int ret = 0;
1188
1189 if (is_support_sw_smu(adev))
1190 ret = smu_set_xgmi_pstate(&adev->smu, pstate);
1191 else if (adev->powerplay.pp_funcs &&
1192 adev->powerplay.pp_funcs->set_xgmi_pstate)
1193 ret = adev->powerplay.pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle,
1194 pstate);
1195
1196 return ret;
1197 }
1198
1199 int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
1200 uint32_t cstate)
1201 {
1202 int ret = 0;
1203 const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
1204 void *pp_handle = adev->powerplay.pp_handle;
1205 struct smu_context *smu = &adev->smu;
1206
1207 if (is_support_sw_smu(adev))
1208 ret = smu_set_df_cstate(smu, cstate);
1209 else if (pp_funcs &&
1210 pp_funcs->set_df_cstate)
1211 ret = pp_funcs->set_df_cstate(pp_handle, cstate);
1212
1213 return ret;
1214 }
1215
1216 int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en)
1217 {
1218 struct smu_context *smu = &adev->smu;
1219
1220 if (is_support_sw_smu(adev))
1221 return smu_allow_xgmi_power_down(smu, en);
1222
1223 return 0;
1224 }
1225
1226 int amdgpu_dpm_enable_mgpu_fan_boost(struct amdgpu_device *adev)
1227 {
1228 void *pp_handle = adev->powerplay.pp_handle;
1229 const struct amd_pm_funcs *pp_funcs =
1230 adev->powerplay.pp_funcs;
1231 struct smu_context *smu = &adev->smu;
1232 int ret = 0;
1233
1234 if (is_support_sw_smu(adev))
1235 ret = smu_enable_mgpu_fan_boost(smu);
1236 else if (pp_funcs && pp_funcs->enable_mgpu_fan_boost)
1237 ret = pp_funcs->enable_mgpu_fan_boost(pp_handle);
1238
1239 return ret;
1240 }
1241
1242 int amdgpu_dpm_set_clockgating_by_smu(struct amdgpu_device *adev,
1243 uint32_t msg_id)
1244 {
1245 void *pp_handle = adev->powerplay.pp_handle;
1246 const struct amd_pm_funcs *pp_funcs =
1247 adev->powerplay.pp_funcs;
1248 int ret = 0;
1249
1250 if (pp_funcs && pp_funcs->set_clockgating_by_smu)
1251 ret = pp_funcs->set_clockgating_by_smu(pp_handle,
1252 msg_id);
1253
1254 return ret;
1255 }
1256
1257 int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev,
1258 bool acquire)
1259 {
1260 void *pp_handle = adev->powerplay.pp_handle;
1261 const struct amd_pm_funcs *pp_funcs =
1262 adev->powerplay.pp_funcs;
1263 int ret = -EOPNOTSUPP;
1264
1265 if (pp_funcs && pp_funcs->smu_i2c_bus_access)
1266 ret = pp_funcs->smu_i2c_bus_access(pp_handle,
1267 acquire);
1268
1269 return ret;
1270 }
1271
1272 void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
1273 {
1274 if (adev->pm.dpm_enabled) {
1275 mutex_lock(&adev->pm.mutex);
1276 if (power_supply_is_system_supplied() > 0)
1277 adev->pm.ac_power = true;
1278 else
1279 adev->pm.ac_power = false;
1280 if (adev->powerplay.pp_funcs &&
1281 adev->powerplay.pp_funcs->enable_bapm)
1282 amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
1283 mutex_unlock(&adev->pm.mutex);
1284
1285 if (is_support_sw_smu(adev))
1286 smu_set_ac_dc(&adev->smu);
1287 }
1288 }
1289
1290 int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,
1291 void *data, uint32_t *size)
1292 {
1293 int ret = 0;
1294
1295 if (!data || !size)
1296 return -EINVAL;
1297
1298 if (is_support_sw_smu(adev))
1299 ret = smu_read_sensor(&adev->smu, sensor, data, size);
1300 else {
1301 if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor)
1302 ret = adev->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle,
1303 sensor, data, size);
1304 else
1305 ret = -EINVAL;
1306 }
1307
1308 return ret;
1309 }
1310
1311 void amdgpu_dpm_thermal_work_handler(struct work_struct *work)
1312 {
1313 struct amdgpu_device *adev =
1314 container_of(work, struct amdgpu_device,
1315 pm.dpm.thermal.work);
1316 /* switch to the thermal state */
1317 enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL;
1318 int temp, size = sizeof(temp);
1319
1320 if (!adev->pm.dpm_enabled)
1321 return;
1322
1323 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP,
1324 (void *)&temp, &size)) {
1325 if (temp < adev->pm.dpm.thermal.min_temp)
1326 /* switch back the user state */
1327 dpm_state = adev->pm.dpm.user_state;
1328 } else {
1329 if (adev->pm.dpm.thermal.high_to_low)
1330 /* switch back the user state */
1331 dpm_state = adev->pm.dpm.user_state;
1332 }
1333 mutex_lock(&adev->pm.mutex);
1334 if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL)
1335 adev->pm.dpm.thermal_active = true;
1336 else
1337 adev->pm.dpm.thermal_active = false;
1338 adev->pm.dpm.state = dpm_state;
1339 mutex_unlock(&adev->pm.mutex);
1340
1341 amdgpu_pm_compute_clocks(adev);
1342 }
1343
1344 static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev,
1345 enum amd_pm_state_type dpm_state)
1346 {
1347 int i;
1348 struct amdgpu_ps *ps;
1349 u32 ui_class;
1350 bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ?
1351 true : false;
1352
1353 /* check if the vblank period is too short to adjust the mclk */
1354 if (single_display && adev->powerplay.pp_funcs->vblank_too_short) {
1355 if (amdgpu_dpm_vblank_too_short(adev))
1356 single_display = false;
1357 }
1358
1359 /* certain older asics have a separare 3D performance state,
1360 * so try that first if the user selected performance
1361 */
1362 if (dpm_state == POWER_STATE_TYPE_PERFORMANCE)
1363 dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF;
1364 /* balanced states don't exist at the moment */
1365 if (dpm_state == POWER_STATE_TYPE_BALANCED)
1366 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
1367
1368 restart_search:
1369 /* Pick the best power state based on current conditions */
1370 for (i = 0; i < adev->pm.dpm.num_ps; i++) {
1371 ps = &adev->pm.dpm.ps[i];
1372 ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK;
1373 switch (dpm_state) {
1374 /* user states */
1375 case POWER_STATE_TYPE_BATTERY:
1376 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) {
1377 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
1378 if (single_display)
1379 return ps;
1380 } else
1381 return ps;
1382 }
1383 break;
1384 case POWER_STATE_TYPE_BALANCED:
1385 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) {
1386 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
1387 if (single_display)
1388 return ps;
1389 } else
1390 return ps;
1391 }
1392 break;
1393 case POWER_STATE_TYPE_PERFORMANCE:
1394 if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
1395 if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) {
1396 if (single_display)
1397 return ps;
1398 } else
1399 return ps;
1400 }
1401 break;
1402 /* internal states */
1403 case POWER_STATE_TYPE_INTERNAL_UVD:
1404 if (adev->pm.dpm.uvd_ps)
1405 return adev->pm.dpm.uvd_ps;
1406 else
1407 break;
1408 case POWER_STATE_TYPE_INTERNAL_UVD_SD:
1409 if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
1410 return ps;
1411 break;
1412 case POWER_STATE_TYPE_INTERNAL_UVD_HD:
1413 if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
1414 return ps;
1415 break;
1416 case POWER_STATE_TYPE_INTERNAL_UVD_HD2:
1417 if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
1418 return ps;
1419 break;
1420 case POWER_STATE_TYPE_INTERNAL_UVD_MVC:
1421 if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
1422 return ps;
1423 break;
1424 case POWER_STATE_TYPE_INTERNAL_BOOT:
1425 return adev->pm.dpm.boot_ps;
1426 case POWER_STATE_TYPE_INTERNAL_THERMAL:
1427 if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1428 return ps;
1429 break;
1430 case POWER_STATE_TYPE_INTERNAL_ACPI:
1431 if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI)
1432 return ps;
1433 break;
1434 case POWER_STATE_TYPE_INTERNAL_ULV:
1435 if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
1436 return ps;
1437 break;
1438 case POWER_STATE_TYPE_INTERNAL_3DPERF:
1439 if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
1440 return ps;
1441 break;
1442 default:
1443 break;
1444 }
1445 }
1446 /* use a fallback state if we didn't match */
1447 switch (dpm_state) {
1448 case POWER_STATE_TYPE_INTERNAL_UVD_SD:
1449 dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD;
1450 goto restart_search;
1451 case POWER_STATE_TYPE_INTERNAL_UVD_HD:
1452 case POWER_STATE_TYPE_INTERNAL_UVD_HD2:
1453 case POWER_STATE_TYPE_INTERNAL_UVD_MVC:
1454 if (adev->pm.dpm.uvd_ps) {
1455 return adev->pm.dpm.uvd_ps;
1456 } else {
1457 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
1458 goto restart_search;
1459 }
1460 case POWER_STATE_TYPE_INTERNAL_THERMAL:
1461 dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI;
1462 goto restart_search;
1463 case POWER_STATE_TYPE_INTERNAL_ACPI:
1464 dpm_state = POWER_STATE_TYPE_BATTERY;
1465 goto restart_search;
1466 case POWER_STATE_TYPE_BATTERY:
1467 case POWER_STATE_TYPE_BALANCED:
1468 case POWER_STATE_TYPE_INTERNAL_3DPERF:
1469 dpm_state = POWER_STATE_TYPE_PERFORMANCE;
1470 goto restart_search;
1471 default:
1472 break;
1473 }
1474
1475 return NULL;
1476 }
1477
1478 static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)
1479 {
1480 struct amdgpu_ps *ps;
1481 enum amd_pm_state_type dpm_state;
1482 int ret;
1483 bool equal = false;
1484
1485 /* if dpm init failed */
1486 if (!adev->pm.dpm_enabled)
1487 return;
1488
1489 if (adev->pm.dpm.user_state != adev->pm.dpm.state) {
1490 /* add other state override checks here */
1491 if ((!adev->pm.dpm.thermal_active) &&
1492 (!adev->pm.dpm.uvd_active))
1493 adev->pm.dpm.state = adev->pm.dpm.user_state;
1494 }
1495 dpm_state = adev->pm.dpm.state;
1496
1497 ps = amdgpu_dpm_pick_power_state(adev, dpm_state);
1498 if (ps)
1499 adev->pm.dpm.requested_ps = ps;
1500 else
1501 return;
1502
1503 if (amdgpu_dpm == 1 && adev->powerplay.pp_funcs->print_power_state) {
1504 printk("switching from power state:\n");
1505 amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps);
1506 printk("switching to power state:\n");
1507 amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps);
1508 }
1509
1510 /* update whether vce is active */
1511 ps->vce_active = adev->pm.dpm.vce_active;
1512 if (adev->powerplay.pp_funcs->display_configuration_changed)
1513 amdgpu_dpm_display_configuration_changed(adev);
1514
1515 ret = amdgpu_dpm_pre_set_power_state(adev);
1516 if (ret)
1517 return;
1518
1519 if (adev->powerplay.pp_funcs->check_state_equal) {
1520 if (0 != amdgpu_dpm_check_state_equal(adev, adev->pm.dpm.current_ps, adev->pm.dpm.requested_ps, &equal))
1521 equal = false;
1522 }
1523
1524 if (equal)
1525 return;
1526
1527 amdgpu_dpm_set_power_state(adev);
1528 amdgpu_dpm_post_set_power_state(adev);
1529
1530 adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;
1531 adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;
1532
1533 if (adev->powerplay.pp_funcs->force_performance_level) {
1534 if (adev->pm.dpm.thermal_active) {
1535 enum amd_dpm_forced_level level = adev->pm.dpm.forced_level;
1536 /* force low perf level for thermal */
1537 amdgpu_dpm_force_performance_level(adev, AMD_DPM_FORCED_LEVEL_LOW);
1538 /* save the user's level */
1539 adev->pm.dpm.forced_level = level;
1540 } else {
1541 /* otherwise, user selected level */
1542 amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level);
1543 }
1544 }
1545 }
1546
1547 void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
1548 {
1549 int i = 0;
1550
1551 if (!adev->pm.dpm_enabled)
1552 return;
1553
1554 if (adev->mode_info.num_crtc)
1555 amdgpu_display_bandwidth_update(adev);
1556
1557 for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
1558 struct amdgpu_ring *ring = adev->rings[i];
1559 if (ring && ring->sched.ready)
1560 amdgpu_fence_wait_empty(ring);
1561 }
1562
1563 if (is_support_sw_smu(adev)) {
1564 struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm;
1565 smu_handle_task(&adev->smu,
1566 smu_dpm->dpm_level,
1567 AMD_PP_TASK_DISPLAY_CONFIG_CHANGE,
1568 true);
1569 } else {
1570 if (adev->powerplay.pp_funcs->dispatch_tasks) {
1571 if (!amdgpu_device_has_dc_support(adev)) {
1572 mutex_lock(&adev->pm.mutex);
1573 amdgpu_dpm_get_active_displays(adev);
1574 adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count;
1575 adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev);
1576 adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev);
1577 /* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */
1578 if (adev->pm.pm_display_cfg.vrefresh > 120)
1579 adev->pm.pm_display_cfg.min_vblank_time = 0;
1580 if (adev->powerplay.pp_funcs->display_configuration_change)
1581 adev->powerplay.pp_funcs->display_configuration_change(
1582 adev->powerplay.pp_handle,
1583 &adev->pm.pm_display_cfg);
1584 mutex_unlock(&adev->pm.mutex);
1585 }
1586 amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL);
1587 } else {
1588 mutex_lock(&adev->pm.mutex);
1589 amdgpu_dpm_get_active_displays(adev);
1590 amdgpu_dpm_change_power_state_locked(adev);
1591 mutex_unlock(&adev->pm.mutex);
1592 }
1593 }
1594 }
1595
1596 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
1597 {
1598 int ret = 0;
1599
1600 if (adev->family == AMDGPU_FAMILY_SI) {
1601 mutex_lock(&adev->pm.mutex);
1602 if (enable) {
1603 adev->pm.dpm.uvd_active = true;
1604 adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
1605 } else {
1606 adev->pm.dpm.uvd_active = false;
1607 }
1608 mutex_unlock(&adev->pm.mutex);
1609
1610 amdgpu_pm_compute_clocks(adev);
1611 } else {
1612 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable);
1613 if (ret)
1614 DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
1615 enable ? "enable" : "disable", ret);
1616
1617 /* enable/disable Low Memory PState for UVD (4k videos) */
1618 if (adev->asic_type == CHIP_STONEY &&
1619 adev->uvd.decode_image_width >= WIDTH_4K) {
1620 struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
1621
1622 if (hwmgr && hwmgr->hwmgr_func &&
1623 hwmgr->hwmgr_func->update_nbdpm_pstate)
1624 hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr,
1625 !enable,
1626 true);
1627 }
1628 }
1629 }
1630
1631 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
1632 {
1633 int ret = 0;
1634
1635 if (adev->family == AMDGPU_FAMILY_SI) {
1636 mutex_lock(&adev->pm.mutex);
1637 if (enable) {
1638 adev->pm.dpm.vce_active = true;
1639 /* XXX select vce level based on ring/task */
1640 adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL;
1641 } else {
1642 adev->pm.dpm.vce_active = false;
1643 }
1644 mutex_unlock(&adev->pm.mutex);
1645
1646 amdgpu_pm_compute_clocks(adev);
1647 } else {
1648 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable);
1649 if (ret)
1650 DRM_ERROR("Dpm %s vce failed, ret = %d. \n",
1651 enable ? "enable" : "disable", ret);
1652 }
1653 }
1654
1655 void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
1656 {
1657 int i;
1658
1659 if (adev->powerplay.pp_funcs->print_power_state == NULL)
1660 return;
1661
1662 for (i = 0; i < adev->pm.dpm.num_ps; i++)
1663 amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]);
1664
1665 }
1666
1667 void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable)
1668 {
1669 int ret = 0;
1670
1671 ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable);
1672 if (ret)
1673 DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n",
1674 enable ? "enable" : "disable", ret);
1675 }
1676
1677 int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version)
1678 {
1679 int r;
1680
1681 if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) {
1682 r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
1683 if (r) {
1684 pr_err("smu firmware loading failed\n");
1685 return r;
1686 }
1687 *smu_version = adev->pm.fw_version;
1688 }
1689 return 0;
1690 }
Linux with added FPC-III support