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Merge tag 'ntb-4.3' of git://github.com/jonmason/ntb
[deliverable/linux.git] / drivers / gpu / drm / amd / amdgpu / cz_dpm.c
1 /*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24 #include <linux/firmware.h>
25 #include <linux/seq_file.h>
26 #include "drmP.h"
27 #include "amdgpu.h"
28 #include "amdgpu_pm.h"
29 #include "amdgpu_atombios.h"
30 #include "vid.h"
31 #include "vi_dpm.h"
32 #include "amdgpu_dpm.h"
33 #include "cz_dpm.h"
34 #include "cz_ppsmc.h"
35 #include "atom.h"
36
37 #include "smu/smu_8_0_d.h"
38 #include "smu/smu_8_0_sh_mask.h"
39 #include "gca/gfx_8_0_d.h"
40 #include "gca/gfx_8_0_sh_mask.h"
41 #include "gmc/gmc_8_1_d.h"
42 #include "bif/bif_5_1_d.h"
43 #include "gfx_v8_0.h"
44
45 static void cz_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate);
46 static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate);
47
48 static struct cz_ps *cz_get_ps(struct amdgpu_ps *rps)
49 {
50 struct cz_ps *ps = rps->ps_priv;
51
52 return ps;
53 }
54
55 static struct cz_power_info *cz_get_pi(struct amdgpu_device *adev)
56 {
57 struct cz_power_info *pi = adev->pm.dpm.priv;
58
59 return pi;
60 }
61
62 static uint16_t cz_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
63 uint16_t voltage)
64 {
65 uint16_t tmp = 6200 - voltage * 25;
66
67 return tmp;
68 }
69
70 static void cz_construct_max_power_limits_table(struct amdgpu_device *adev,
71 struct amdgpu_clock_and_voltage_limits *table)
72 {
73 struct cz_power_info *pi = cz_get_pi(adev);
74 struct amdgpu_clock_voltage_dependency_table *dep_table =
75 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
76
77 if (dep_table->count > 0) {
78 table->sclk = dep_table->entries[dep_table->count - 1].clk;
79 table->vddc = cz_convert_8bit_index_to_voltage(adev,
80 dep_table->entries[dep_table->count - 1].v);
81 }
82
83 table->mclk = pi->sys_info.nbp_memory_clock[0];
84
85 }
86
87 union igp_info {
88 struct _ATOM_INTEGRATED_SYSTEM_INFO info;
89 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
90 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
91 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9;
92 };
93
94 static int cz_parse_sys_info_table(struct amdgpu_device *adev)
95 {
96 struct cz_power_info *pi = cz_get_pi(adev);
97 struct amdgpu_mode_info *mode_info = &adev->mode_info;
98 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
99 union igp_info *igp_info;
100 u8 frev, crev;
101 u16 data_offset;
102 int i = 0;
103
104 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
105 &frev, &crev, &data_offset)) {
106 igp_info = (union igp_info *)(mode_info->atom_context->bios +
107 data_offset);
108
109 if (crev != 9) {
110 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
111 return -EINVAL;
112 }
113 pi->sys_info.bootup_sclk =
114 le32_to_cpu(igp_info->info_9.ulBootUpEngineClock);
115 pi->sys_info.bootup_uma_clk =
116 le32_to_cpu(igp_info->info_9.ulBootUpUMAClock);
117 pi->sys_info.dentist_vco_freq =
118 le32_to_cpu(igp_info->info_9.ulDentistVCOFreq);
119 pi->sys_info.bootup_nb_voltage_index =
120 le16_to_cpu(igp_info->info_9.usBootUpNBVoltage);
121
122 if (igp_info->info_9.ucHtcTmpLmt == 0)
123 pi->sys_info.htc_tmp_lmt = 203;
124 else
125 pi->sys_info.htc_tmp_lmt = igp_info->info_9.ucHtcTmpLmt;
126
127 if (igp_info->info_9.ucHtcHystLmt == 0)
128 pi->sys_info.htc_hyst_lmt = 5;
129 else
130 pi->sys_info.htc_hyst_lmt = igp_info->info_9.ucHtcHystLmt;
131
132 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
133 DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
134 return -EINVAL;
135 }
136
137 if (le32_to_cpu(igp_info->info_9.ulSystemConfig) & (1 << 3) &&
138 pi->enable_nb_ps_policy)
139 pi->sys_info.nb_dpm_enable = true;
140 else
141 pi->sys_info.nb_dpm_enable = false;
142
143 for (i = 0; i < CZ_NUM_NBPSTATES; i++) {
144 if (i < CZ_NUM_NBPMEMORY_CLOCK)
145 pi->sys_info.nbp_memory_clock[i] =
146 le32_to_cpu(igp_info->info_9.ulNbpStateMemclkFreq[i]);
147 pi->sys_info.nbp_n_clock[i] =
148 le32_to_cpu(igp_info->info_9.ulNbpStateNClkFreq[i]);
149 }
150
151 for (i = 0; i < CZ_MAX_DISPLAY_CLOCK_LEVEL; i++)
152 pi->sys_info.display_clock[i] =
153 le32_to_cpu(igp_info->info_9.sDispClkVoltageMapping[i].ulMaximumSupportedCLK);
154
155 for (i = 0; i < CZ_NUM_NBPSTATES; i++)
156 pi->sys_info.nbp_voltage_index[i] =
157 le32_to_cpu(igp_info->info_9.usNBPStateVoltage[i]);
158
159 if (le32_to_cpu(igp_info->info_9.ulGPUCapInfo) &
160 SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
161 pi->caps_enable_dfs_bypass = true;
162
163 pi->sys_info.uma_channel_number =
164 igp_info->info_9.ucUMAChannelNumber;
165
166 cz_construct_max_power_limits_table(adev,
167 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
168 }
169
170 return 0;
171 }
172
173 static void cz_patch_voltage_values(struct amdgpu_device *adev)
174 {
175 int i;
176 struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
177 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
178 struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
179 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
180 struct amdgpu_clock_voltage_dependency_table *acp_table =
181 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
182
183 if (uvd_table->count) {
184 for (i = 0; i < uvd_table->count; i++)
185 uvd_table->entries[i].v =
186 cz_convert_8bit_index_to_voltage(adev,
187 uvd_table->entries[i].v);
188 }
189
190 if (vce_table->count) {
191 for (i = 0; i < vce_table->count; i++)
192 vce_table->entries[i].v =
193 cz_convert_8bit_index_to_voltage(adev,
194 vce_table->entries[i].v);
195 }
196
197 if (acp_table->count) {
198 for (i = 0; i < acp_table->count; i++)
199 acp_table->entries[i].v =
200 cz_convert_8bit_index_to_voltage(adev,
201 acp_table->entries[i].v);
202 }
203
204 }
205
206 static void cz_construct_boot_state(struct amdgpu_device *adev)
207 {
208 struct cz_power_info *pi = cz_get_pi(adev);
209
210 pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
211 pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
212 pi->boot_pl.ds_divider_index = 0;
213 pi->boot_pl.ss_divider_index = 0;
214 pi->boot_pl.allow_gnb_slow = 1;
215 pi->boot_pl.force_nbp_state = 0;
216 pi->boot_pl.display_wm = 0;
217 pi->boot_pl.vce_wm = 0;
218
219 }
220
221 static void cz_patch_boot_state(struct amdgpu_device *adev,
222 struct cz_ps *ps)
223 {
224 struct cz_power_info *pi = cz_get_pi(adev);
225
226 ps->num_levels = 1;
227 ps->levels[0] = pi->boot_pl;
228 }
229
230 union pplib_clock_info {
231 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
232 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
233 struct _ATOM_PPLIB_CZ_CLOCK_INFO carrizo;
234 };
235
236 static void cz_parse_pplib_clock_info(struct amdgpu_device *adev,
237 struct amdgpu_ps *rps, int index,
238 union pplib_clock_info *clock_info)
239 {
240 struct cz_power_info *pi = cz_get_pi(adev);
241 struct cz_ps *ps = cz_get_ps(rps);
242 struct cz_pl *pl = &ps->levels[index];
243 struct amdgpu_clock_voltage_dependency_table *table =
244 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
245
246 pl->sclk = table->entries[clock_info->carrizo.index].clk;
247 pl->vddc_index = table->entries[clock_info->carrizo.index].v;
248
249 ps->num_levels = index + 1;
250
251 if (pi->caps_sclk_ds) {
252 pl->ds_divider_index = 5;
253 pl->ss_divider_index = 5;
254 }
255
256 }
257
258 static void cz_parse_pplib_non_clock_info(struct amdgpu_device *adev,
259 struct amdgpu_ps *rps,
260 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
261 u8 table_rev)
262 {
263 struct cz_ps *ps = cz_get_ps(rps);
264
265 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
266 rps->class = le16_to_cpu(non_clock_info->usClassification);
267 rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
268
269 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
270 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
271 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
272 } else {
273 rps->vclk = 0;
274 rps->dclk = 0;
275 }
276
277 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
278 adev->pm.dpm.boot_ps = rps;
279 cz_patch_boot_state(adev, ps);
280 }
281 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
282 adev->pm.dpm.uvd_ps = rps;
283
284 }
285
286 union power_info {
287 struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
288 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
289 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
290 struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
291 struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
292 };
293
294 union pplib_power_state {
295 struct _ATOM_PPLIB_STATE v1;
296 struct _ATOM_PPLIB_STATE_V2 v2;
297 };
298
299 static int cz_parse_power_table(struct amdgpu_device *adev)
300 {
301 struct amdgpu_mode_info *mode_info = &adev->mode_info;
302 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
303 union pplib_power_state *power_state;
304 int i, j, k, non_clock_array_index, clock_array_index;
305 union pplib_clock_info *clock_info;
306 struct _StateArray *state_array;
307 struct _ClockInfoArray *clock_info_array;
308 struct _NonClockInfoArray *non_clock_info_array;
309 union power_info *power_info;
310 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
311 u16 data_offset;
312 u8 frev, crev;
313 u8 *power_state_offset;
314 struct cz_ps *ps;
315
316 if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
317 &frev, &crev, &data_offset))
318 return -EINVAL;
319 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
320
321 state_array = (struct _StateArray *)
322 (mode_info->atom_context->bios + data_offset +
323 le16_to_cpu(power_info->pplib.usStateArrayOffset));
324 clock_info_array = (struct _ClockInfoArray *)
325 (mode_info->atom_context->bios + data_offset +
326 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
327 non_clock_info_array = (struct _NonClockInfoArray *)
328 (mode_info->atom_context->bios + data_offset +
329 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
330
331 adev->pm.dpm.ps = kzalloc(sizeof(struct amdgpu_ps) *
332 state_array->ucNumEntries, GFP_KERNEL);
333
334 if (!adev->pm.dpm.ps)
335 return -ENOMEM;
336
337 power_state_offset = (u8 *)state_array->states;
338 adev->pm.dpm.platform_caps =
339 le32_to_cpu(power_info->pplib.ulPlatformCaps);
340 adev->pm.dpm.backbias_response_time =
341 le16_to_cpu(power_info->pplib.usBackbiasTime);
342 adev->pm.dpm.voltage_response_time =
343 le16_to_cpu(power_info->pplib.usVoltageTime);
344
345 for (i = 0; i < state_array->ucNumEntries; i++) {
346 power_state = (union pplib_power_state *)power_state_offset;
347 non_clock_array_index = power_state->v2.nonClockInfoIndex;
348 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
349 &non_clock_info_array->nonClockInfo[non_clock_array_index];
350
351 ps = kzalloc(sizeof(struct cz_ps), GFP_KERNEL);
352 if (ps == NULL) {
353 kfree(adev->pm.dpm.ps);
354 return -ENOMEM;
355 }
356
357 adev->pm.dpm.ps[i].ps_priv = ps;
358 k = 0;
359 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
360 clock_array_index = power_state->v2.clockInfoIndex[j];
361 if (clock_array_index >= clock_info_array->ucNumEntries)
362 continue;
363 if (k >= CZ_MAX_HARDWARE_POWERLEVELS)
364 break;
365 clock_info = (union pplib_clock_info *)
366 &clock_info_array->clockInfo[clock_array_index *
367 clock_info_array->ucEntrySize];
368 cz_parse_pplib_clock_info(adev, &adev->pm.dpm.ps[i],
369 k, clock_info);
370 k++;
371 }
372 cz_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
373 non_clock_info,
374 non_clock_info_array->ucEntrySize);
375 power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
376 }
377 adev->pm.dpm.num_ps = state_array->ucNumEntries;
378
379 return 0;
380 }
381
382 static int cz_process_firmware_header(struct amdgpu_device *adev)
383 {
384 struct cz_power_info *pi = cz_get_pi(adev);
385 u32 tmp;
386 int ret;
387
388 ret = cz_read_smc_sram_dword(adev, SMU8_FIRMWARE_HEADER_LOCATION +
389 offsetof(struct SMU8_Firmware_Header,
390 DpmTable),
391 &tmp, pi->sram_end);
392
393 if (ret == 0)
394 pi->dpm_table_start = tmp;
395
396 return ret;
397 }
398
399 static int cz_dpm_init(struct amdgpu_device *adev)
400 {
401 struct cz_power_info *pi;
402 int ret, i;
403
404 pi = kzalloc(sizeof(struct cz_power_info), GFP_KERNEL);
405 if (NULL == pi)
406 return -ENOMEM;
407
408 adev->pm.dpm.priv = pi;
409
410 ret = amdgpu_get_platform_caps(adev);
411 if (ret)
412 return ret;
413
414 ret = amdgpu_parse_extended_power_table(adev);
415 if (ret)
416 return ret;
417
418 pi->sram_end = SMC_RAM_END;
419
420 /* set up DPM defaults */
421 for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++)
422 pi->active_target[i] = CZ_AT_DFLT;
423
424 pi->mgcg_cgtt_local0 = 0x0;
425 pi->mgcg_cgtt_local1 = 0x0;
426 pi->clock_slow_down_step = 25000;
427 pi->skip_clock_slow_down = 1;
428 pi->enable_nb_ps_policy = 0;
429 pi->caps_power_containment = true;
430 pi->caps_cac = true;
431 pi->didt_enabled = false;
432 if (pi->didt_enabled) {
433 pi->caps_sq_ramping = true;
434 pi->caps_db_ramping = true;
435 pi->caps_td_ramping = true;
436 pi->caps_tcp_ramping = true;
437 }
438 pi->caps_sclk_ds = true;
439 pi->voting_clients = 0x00c00033;
440 pi->auto_thermal_throttling_enabled = true;
441 pi->bapm_enabled = false;
442 pi->disable_nb_ps3_in_battery = false;
443 pi->voltage_drop_threshold = 0;
444 pi->caps_sclk_throttle_low_notification = false;
445 pi->gfx_pg_threshold = 500;
446 pi->caps_fps = true;
447 /* uvd */
448 pi->caps_uvd_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_UVD) ? true : false;
449 pi->caps_uvd_dpm = true;
450 /* vce */
451 pi->caps_vce_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_VCE) ? true : false;
452 pi->caps_vce_dpm = true;
453 /* acp */
454 pi->caps_acp_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_ACP) ? true : false;
455 pi->caps_acp_dpm = true;
456
457 pi->caps_stable_power_state = false;
458 pi->nb_dpm_enabled_by_driver = true;
459 pi->nb_dpm_enabled = false;
460 pi->caps_voltage_island = false;
461 /* flags which indicate need to upload pptable */
462 pi->need_pptable_upload = true;
463
464 ret = cz_parse_sys_info_table(adev);
465 if (ret)
466 return ret;
467
468 cz_patch_voltage_values(adev);
469 cz_construct_boot_state(adev);
470
471 ret = cz_parse_power_table(adev);
472 if (ret)
473 return ret;
474
475 ret = cz_process_firmware_header(adev);
476 if (ret)
477 return ret;
478
479 pi->dpm_enabled = true;
480 pi->uvd_dynamic_pg = false;
481
482 return 0;
483 }
484
485 static void cz_dpm_fini(struct amdgpu_device *adev)
486 {
487 int i;
488
489 for (i = 0; i < adev->pm.dpm.num_ps; i++)
490 kfree(adev->pm.dpm.ps[i].ps_priv);
491
492 kfree(adev->pm.dpm.ps);
493 kfree(adev->pm.dpm.priv);
494 amdgpu_free_extended_power_table(adev);
495 }
496
497 #define ixSMUSVI_NB_CURRENTVID 0xD8230044
498 #define CURRENT_NB_VID_MASK 0xff000000
499 #define CURRENT_NB_VID__SHIFT 24
500 #define ixSMUSVI_GFX_CURRENTVID 0xD8230048
501 #define CURRENT_GFX_VID_MASK 0xff000000
502 #define CURRENT_GFX_VID__SHIFT 24
503
504 static void
505 cz_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev,
506 struct seq_file *m)
507 {
508 struct cz_power_info *pi = cz_get_pi(adev);
509 struct amdgpu_clock_voltage_dependency_table *table =
510 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
511 struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
512 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
513 struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
514 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
515 u32 sclk_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX),
516 TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX);
517 u32 uvd_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
518 TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX);
519 u32 vce_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
520 TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
521 u32 sclk, vclk, dclk, ecclk, tmp;
522 u16 vddnb, vddgfx;
523
524 if (sclk_index >= NUM_SCLK_LEVELS) {
525 seq_printf(m, "invalid sclk dpm profile %d\n", sclk_index);
526 } else {
527 sclk = table->entries[sclk_index].clk;
528 seq_printf(m, "%u sclk: %u\n", sclk_index, sclk);
529 }
530
531 tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) &
532 CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
533 vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
534 tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) &
535 CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
536 vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
537 seq_printf(m, "vddnb: %u vddgfx: %u\n", vddnb, vddgfx);
538
539 seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en");
540 if (!pi->uvd_power_gated) {
541 if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
542 seq_printf(m, "invalid uvd dpm level %d\n", uvd_index);
543 } else {
544 vclk = uvd_table->entries[uvd_index].vclk;
545 dclk = uvd_table->entries[uvd_index].dclk;
546 seq_printf(m, "%u uvd vclk: %u dclk: %u\n", uvd_index, vclk, dclk);
547 }
548 }
549
550 seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en");
551 if (!pi->vce_power_gated) {
552 if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
553 seq_printf(m, "invalid vce dpm level %d\n", vce_index);
554 } else {
555 ecclk = vce_table->entries[vce_index].ecclk;
556 seq_printf(m, "%u vce ecclk: %u\n", vce_index, ecclk);
557 }
558 }
559 }
560
561 static void cz_dpm_print_power_state(struct amdgpu_device *adev,
562 struct amdgpu_ps *rps)
563 {
564 int i;
565 struct cz_ps *ps = cz_get_ps(rps);
566
567 amdgpu_dpm_print_class_info(rps->class, rps->class2);
568 amdgpu_dpm_print_cap_info(rps->caps);
569
570 DRM_INFO("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
571 for (i = 0; i < ps->num_levels; i++) {
572 struct cz_pl *pl = &ps->levels[i];
573
574 DRM_INFO("\t\tpower level %d sclk: %u vddc: %u\n",
575 i, pl->sclk,
576 cz_convert_8bit_index_to_voltage(adev, pl->vddc_index));
577 }
578
579 amdgpu_dpm_print_ps_status(adev, rps);
580 }
581
582 static void cz_dpm_set_funcs(struct amdgpu_device *adev);
583
584 static int cz_dpm_early_init(void *handle)
585 {
586 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
587
588 cz_dpm_set_funcs(adev);
589
590 return 0;
591 }
592
593
594 static int cz_dpm_late_init(void *handle)
595 {
596 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
597
598 if (amdgpu_dpm) {
599 /* powerdown unused blocks for now */
600 cz_dpm_powergate_uvd(adev, true);
601 cz_dpm_powergate_vce(adev, true);
602 }
603
604 return 0;
605 }
606
607 static int cz_dpm_sw_init(void *handle)
608 {
609 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
610 int ret = 0;
611 /* fix me to add thermal support TODO */
612
613 /* default to balanced state */
614 adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
615 adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
616 adev->pm.dpm.forced_level = AMDGPU_DPM_FORCED_LEVEL_AUTO;
617 adev->pm.default_sclk = adev->clock.default_sclk;
618 adev->pm.default_mclk = adev->clock.default_mclk;
619 adev->pm.current_sclk = adev->clock.default_sclk;
620 adev->pm.current_mclk = adev->clock.default_mclk;
621 adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
622
623 if (amdgpu_dpm == 0)
624 return 0;
625
626 mutex_lock(&adev->pm.mutex);
627 ret = cz_dpm_init(adev);
628 if (ret)
629 goto dpm_init_failed;
630
631 adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
632 if (amdgpu_dpm == 1)
633 amdgpu_pm_print_power_states(adev);
634
635 ret = amdgpu_pm_sysfs_init(adev);
636 if (ret)
637 goto dpm_init_failed;
638
639 mutex_unlock(&adev->pm.mutex);
640 DRM_INFO("amdgpu: dpm initialized\n");
641
642 return 0;
643
644 dpm_init_failed:
645 cz_dpm_fini(adev);
646 mutex_unlock(&adev->pm.mutex);
647 DRM_ERROR("amdgpu: dpm initialization failed\n");
648
649 return ret;
650 }
651
652 static int cz_dpm_sw_fini(void *handle)
653 {
654 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
655
656 mutex_lock(&adev->pm.mutex);
657 amdgpu_pm_sysfs_fini(adev);
658 cz_dpm_fini(adev);
659 mutex_unlock(&adev->pm.mutex);
660
661 return 0;
662 }
663
664 static void cz_reset_ap_mask(struct amdgpu_device *adev)
665 {
666 struct cz_power_info *pi = cz_get_pi(adev);
667
668 pi->active_process_mask = 0;
669
670 }
671
672 static int cz_dpm_download_pptable_from_smu(struct amdgpu_device *adev,
673 void **table)
674 {
675 int ret = 0;
676
677 ret = cz_smu_download_pptable(adev, table);
678
679 return ret;
680 }
681
682 static int cz_dpm_upload_pptable_to_smu(struct amdgpu_device *adev)
683 {
684 struct cz_power_info *pi = cz_get_pi(adev);
685 struct SMU8_Fusion_ClkTable *clock_table;
686 struct atom_clock_dividers dividers;
687 void *table = NULL;
688 uint8_t i = 0;
689 int ret = 0;
690
691 struct amdgpu_clock_voltage_dependency_table *vddc_table =
692 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
693 struct amdgpu_clock_voltage_dependency_table *vddgfx_table =
694 &adev->pm.dpm.dyn_state.vddgfx_dependency_on_sclk;
695 struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
696 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
697 struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
698 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
699 struct amdgpu_clock_voltage_dependency_table *acp_table =
700 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
701
702 if (!pi->need_pptable_upload)
703 return 0;
704
705 ret = cz_dpm_download_pptable_from_smu(adev, &table);
706 if (ret) {
707 DRM_ERROR("amdgpu: Failed to get power play table from SMU!\n");
708 return -EINVAL;
709 }
710
711 clock_table = (struct SMU8_Fusion_ClkTable *)table;
712 /* patch clock table */
713 if (vddc_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
714 vddgfx_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
715 uvd_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
716 vce_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
717 acp_table->count > CZ_MAX_HARDWARE_POWERLEVELS) {
718 DRM_ERROR("amdgpu: Invalid Clock Voltage Dependency Table!\n");
719 return -EINVAL;
720 }
721
722 for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++) {
723
724 /* vddc sclk */
725 clock_table->SclkBreakdownTable.ClkLevel[i].GnbVid =
726 (i < vddc_table->count) ? (uint8_t)vddc_table->entries[i].v : 0;
727 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency =
728 (i < vddc_table->count) ? vddc_table->entries[i].clk : 0;
729 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
730 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency,
731 false, &dividers);
732 if (ret)
733 return ret;
734 clock_table->SclkBreakdownTable.ClkLevel[i].DfsDid =
735 (uint8_t)dividers.post_divider;
736
737 /* vddgfx sclk */
738 clock_table->SclkBreakdownTable.ClkLevel[i].GfxVid =
739 (i < vddgfx_table->count) ? (uint8_t)vddgfx_table->entries[i].v : 0;
740
741 /* acp breakdown */
742 clock_table->AclkBreakdownTable.ClkLevel[i].GfxVid =
743 (i < acp_table->count) ? (uint8_t)acp_table->entries[i].v : 0;
744 clock_table->AclkBreakdownTable.ClkLevel[i].Frequency =
745 (i < acp_table->count) ? acp_table->entries[i].clk : 0;
746 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
747 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency,
748 false, &dividers);
749 if (ret)
750 return ret;
751 clock_table->AclkBreakdownTable.ClkLevel[i].DfsDid =
752 (uint8_t)dividers.post_divider;
753
754 /* uvd breakdown */
755 clock_table->VclkBreakdownTable.ClkLevel[i].GfxVid =
756 (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0;
757 clock_table->VclkBreakdownTable.ClkLevel[i].Frequency =
758 (i < uvd_table->count) ? uvd_table->entries[i].vclk : 0;
759 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
760 clock_table->VclkBreakdownTable.ClkLevel[i].Frequency,
761 false, &dividers);
762 if (ret)
763 return ret;
764 clock_table->VclkBreakdownTable.ClkLevel[i].DfsDid =
765 (uint8_t)dividers.post_divider;
766
767 clock_table->DclkBreakdownTable.ClkLevel[i].GfxVid =
768 (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0;
769 clock_table->DclkBreakdownTable.ClkLevel[i].Frequency =
770 (i < uvd_table->count) ? uvd_table->entries[i].dclk : 0;
771 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
772 clock_table->DclkBreakdownTable.ClkLevel[i].Frequency,
773 false, &dividers);
774 if (ret)
775 return ret;
776 clock_table->DclkBreakdownTable.ClkLevel[i].DfsDid =
777 (uint8_t)dividers.post_divider;
778
779 /* vce breakdown */
780 clock_table->EclkBreakdownTable.ClkLevel[i].GfxVid =
781 (i < vce_table->count) ? (uint8_t)vce_table->entries[i].v : 0;
782 clock_table->EclkBreakdownTable.ClkLevel[i].Frequency =
783 (i < vce_table->count) ? vce_table->entries[i].ecclk : 0;
784 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
785 clock_table->EclkBreakdownTable.ClkLevel[i].Frequency,
786 false, &dividers);
787 if (ret)
788 return ret;
789 clock_table->EclkBreakdownTable.ClkLevel[i].DfsDid =
790 (uint8_t)dividers.post_divider;
791 }
792
793 /* its time to upload to SMU */
794 ret = cz_smu_upload_pptable(adev);
795 if (ret) {
796 DRM_ERROR("amdgpu: Failed to put power play table to SMU!\n");
797 return ret;
798 }
799
800 return 0;
801 }
802
803 static void cz_init_sclk_limit(struct amdgpu_device *adev)
804 {
805 struct cz_power_info *pi = cz_get_pi(adev);
806 struct amdgpu_clock_voltage_dependency_table *table =
807 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
808 uint32_t clock = 0, level;
809
810 if (!table || !table->count) {
811 DRM_ERROR("Invalid Voltage Dependency table.\n");
812 return;
813 }
814
815 pi->sclk_dpm.soft_min_clk = 0;
816 pi->sclk_dpm.hard_min_clk = 0;
817 cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxSclkLevel);
818 level = cz_get_argument(adev);
819 if (level < table->count)
820 clock = table->entries[level].clk;
821 else {
822 DRM_ERROR("Invalid SLCK Voltage Dependency table entry.\n");
823 clock = table->entries[table->count - 1].clk;
824 }
825
826 pi->sclk_dpm.soft_max_clk = clock;
827 pi->sclk_dpm.hard_max_clk = clock;
828
829 }
830
831 static void cz_init_uvd_limit(struct amdgpu_device *adev)
832 {
833 struct cz_power_info *pi = cz_get_pi(adev);
834 struct amdgpu_uvd_clock_voltage_dependency_table *table =
835 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
836 uint32_t clock = 0, level;
837
838 if (!table || !table->count) {
839 DRM_ERROR("Invalid Voltage Dependency table.\n");
840 return;
841 }
842
843 pi->uvd_dpm.soft_min_clk = 0;
844 pi->uvd_dpm.hard_min_clk = 0;
845 cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxUvdLevel);
846 level = cz_get_argument(adev);
847 if (level < table->count)
848 clock = table->entries[level].vclk;
849 else {
850 DRM_ERROR("Invalid UVD Voltage Dependency table entry.\n");
851 clock = table->entries[table->count - 1].vclk;
852 }
853
854 pi->uvd_dpm.soft_max_clk = clock;
855 pi->uvd_dpm.hard_max_clk = clock;
856
857 }
858
859 static void cz_init_vce_limit(struct amdgpu_device *adev)
860 {
861 struct cz_power_info *pi = cz_get_pi(adev);
862 struct amdgpu_vce_clock_voltage_dependency_table *table =
863 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
864 uint32_t clock = 0, level;
865
866 if (!table || !table->count) {
867 DRM_ERROR("Invalid Voltage Dependency table.\n");
868 return;
869 }
870
871 pi->vce_dpm.soft_min_clk = table->entries[0].ecclk;
872 pi->vce_dpm.hard_min_clk = table->entries[0].ecclk;
873 cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxEclkLevel);
874 level = cz_get_argument(adev);
875 if (level < table->count)
876 clock = table->entries[level].ecclk;
877 else {
878 /* future BIOS would fix this error */
879 DRM_ERROR("Invalid VCE Voltage Dependency table entry.\n");
880 clock = table->entries[table->count - 1].ecclk;
881 }
882
883 pi->vce_dpm.soft_max_clk = clock;
884 pi->vce_dpm.hard_max_clk = clock;
885
886 }
887
888 static void cz_init_acp_limit(struct amdgpu_device *adev)
889 {
890 struct cz_power_info *pi = cz_get_pi(adev);
891 struct amdgpu_clock_voltage_dependency_table *table =
892 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
893 uint32_t clock = 0, level;
894
895 if (!table || !table->count) {
896 DRM_ERROR("Invalid Voltage Dependency table.\n");
897 return;
898 }
899
900 pi->acp_dpm.soft_min_clk = 0;
901 pi->acp_dpm.hard_min_clk = 0;
902 cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxAclkLevel);
903 level = cz_get_argument(adev);
904 if (level < table->count)
905 clock = table->entries[level].clk;
906 else {
907 DRM_ERROR("Invalid ACP Voltage Dependency table entry.\n");
908 clock = table->entries[table->count - 1].clk;
909 }
910
911 pi->acp_dpm.soft_max_clk = clock;
912 pi->acp_dpm.hard_max_clk = clock;
913
914 }
915
916 static void cz_init_pg_state(struct amdgpu_device *adev)
917 {
918 struct cz_power_info *pi = cz_get_pi(adev);
919
920 pi->uvd_power_gated = false;
921 pi->vce_power_gated = false;
922 pi->acp_power_gated = false;
923
924 }
925
926 static void cz_init_sclk_threshold(struct amdgpu_device *adev)
927 {
928 struct cz_power_info *pi = cz_get_pi(adev);
929
930 pi->low_sclk_interrupt_threshold = 0;
931
932 }
933
934 static void cz_dpm_setup_asic(struct amdgpu_device *adev)
935 {
936 cz_reset_ap_mask(adev);
937 cz_dpm_upload_pptable_to_smu(adev);
938 cz_init_sclk_limit(adev);
939 cz_init_uvd_limit(adev);
940 cz_init_vce_limit(adev);
941 cz_init_acp_limit(adev);
942 cz_init_pg_state(adev);
943 cz_init_sclk_threshold(adev);
944
945 }
946
947 static bool cz_check_smu_feature(struct amdgpu_device *adev,
948 uint32_t feature)
949 {
950 uint32_t smu_feature = 0;
951 int ret;
952
953 ret = cz_send_msg_to_smc_with_parameter(adev,
954 PPSMC_MSG_GetFeatureStatus, 0);
955 if (ret) {
956 DRM_ERROR("Failed to get SMU features from SMC.\n");
957 return false;
958 } else {
959 smu_feature = cz_get_argument(adev);
960 if (feature & smu_feature)
961 return true;
962 }
963
964 return false;
965 }
966
967 static bool cz_check_for_dpm_enabled(struct amdgpu_device *adev)
968 {
969 if (cz_check_smu_feature(adev,
970 SMU_EnabledFeatureScoreboard_SclkDpmOn))
971 return true;
972
973 return false;
974 }
975
976 static void cz_program_voting_clients(struct amdgpu_device *adev)
977 {
978 WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, PPCZ_VOTINGRIGHTSCLIENTS_DFLT0);
979 }
980
981 static void cz_clear_voting_clients(struct amdgpu_device *adev)
982 {
983 WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
984 }
985
986 static int cz_start_dpm(struct amdgpu_device *adev)
987 {
988 int ret = 0;
989
990 if (amdgpu_dpm) {
991 ret = cz_send_msg_to_smc_with_parameter(adev,
992 PPSMC_MSG_EnableAllSmuFeatures, SCLK_DPM_MASK);
993 if (ret) {
994 DRM_ERROR("SMU feature: SCLK_DPM enable failed\n");
995 return -EINVAL;
996 }
997 }
998
999 return 0;
1000 }
1001
1002 static int cz_stop_dpm(struct amdgpu_device *adev)
1003 {
1004 int ret = 0;
1005
1006 if (amdgpu_dpm && adev->pm.dpm_enabled) {
1007 ret = cz_send_msg_to_smc_with_parameter(adev,
1008 PPSMC_MSG_DisableAllSmuFeatures, SCLK_DPM_MASK);
1009 if (ret) {
1010 DRM_ERROR("SMU feature: SCLK_DPM disable failed\n");
1011 return -EINVAL;
1012 }
1013 }
1014
1015 return 0;
1016 }
1017
1018 static uint32_t cz_get_sclk_level(struct amdgpu_device *adev,
1019 uint32_t clock, uint16_t msg)
1020 {
1021 int i = 0;
1022 struct amdgpu_clock_voltage_dependency_table *table =
1023 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1024
1025 switch (msg) {
1026 case PPSMC_MSG_SetSclkSoftMin:
1027 case PPSMC_MSG_SetSclkHardMin:
1028 for (i = 0; i < table->count; i++)
1029 if (clock <= table->entries[i].clk)
1030 break;
1031 if (i == table->count)
1032 i = table->count - 1;
1033 break;
1034 case PPSMC_MSG_SetSclkSoftMax:
1035 case PPSMC_MSG_SetSclkHardMax:
1036 for (i = table->count - 1; i >= 0; i--)
1037 if (clock >= table->entries[i].clk)
1038 break;
1039 if (i < 0)
1040 i = 0;
1041 break;
1042 default:
1043 break;
1044 }
1045
1046 return i;
1047 }
1048
1049 static uint32_t cz_get_eclk_level(struct amdgpu_device *adev,
1050 uint32_t clock, uint16_t msg)
1051 {
1052 int i = 0;
1053 struct amdgpu_vce_clock_voltage_dependency_table *table =
1054 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1055
1056 if (table->count == 0)
1057 return 0;
1058
1059 switch (msg) {
1060 case PPSMC_MSG_SetEclkSoftMin:
1061 case PPSMC_MSG_SetEclkHardMin:
1062 for (i = 0; i < table->count-1; i++)
1063 if (clock <= table->entries[i].ecclk)
1064 break;
1065 break;
1066 case PPSMC_MSG_SetEclkSoftMax:
1067 case PPSMC_MSG_SetEclkHardMax:
1068 for (i = table->count - 1; i > 0; i--)
1069 if (clock >= table->entries[i].ecclk)
1070 break;
1071 break;
1072 default:
1073 break;
1074 }
1075
1076 return i;
1077 }
1078
1079 static int cz_program_bootup_state(struct amdgpu_device *adev)
1080 {
1081 struct cz_power_info *pi = cz_get_pi(adev);
1082 uint32_t soft_min_clk = 0;
1083 uint32_t soft_max_clk = 0;
1084 int ret = 0;
1085
1086 pi->sclk_dpm.soft_min_clk = pi->sys_info.bootup_sclk;
1087 pi->sclk_dpm.soft_max_clk = pi->sys_info.bootup_sclk;
1088
1089 soft_min_clk = cz_get_sclk_level(adev,
1090 pi->sclk_dpm.soft_min_clk,
1091 PPSMC_MSG_SetSclkSoftMin);
1092 soft_max_clk = cz_get_sclk_level(adev,
1093 pi->sclk_dpm.soft_max_clk,
1094 PPSMC_MSG_SetSclkSoftMax);
1095
1096 ret = cz_send_msg_to_smc_with_parameter(adev,
1097 PPSMC_MSG_SetSclkSoftMin, soft_min_clk);
1098 if (ret)
1099 return -EINVAL;
1100
1101 ret = cz_send_msg_to_smc_with_parameter(adev,
1102 PPSMC_MSG_SetSclkSoftMax, soft_max_clk);
1103 if (ret)
1104 return -EINVAL;
1105
1106 return 0;
1107 }
1108
1109 /* TODO */
1110 static int cz_disable_cgpg(struct amdgpu_device *adev)
1111 {
1112 return 0;
1113 }
1114
1115 /* TODO */
1116 static int cz_enable_cgpg(struct amdgpu_device *adev)
1117 {
1118 return 0;
1119 }
1120
1121 /* TODO */
1122 static int cz_program_pt_config_registers(struct amdgpu_device *adev)
1123 {
1124 return 0;
1125 }
1126
1127 static void cz_do_enable_didt(struct amdgpu_device *adev, bool enable)
1128 {
1129 struct cz_power_info *pi = cz_get_pi(adev);
1130 uint32_t reg = 0;
1131
1132 if (pi->caps_sq_ramping) {
1133 reg = RREG32_DIDT(ixDIDT_SQ_CTRL0);
1134 if (enable)
1135 reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 1);
1136 else
1137 reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 0);
1138 WREG32_DIDT(ixDIDT_SQ_CTRL0, reg);
1139 }
1140 if (pi->caps_db_ramping) {
1141 reg = RREG32_DIDT(ixDIDT_DB_CTRL0);
1142 if (enable)
1143 reg = REG_SET_FIELD(reg, DIDT_DB_CTRL0, DIDT_CTRL_EN, 1);
1144 else
1145 reg = REG_SET_FIELD(reg, DIDT_DB_CTRL0, DIDT_CTRL_EN, 0);
1146 WREG32_DIDT(ixDIDT_DB_CTRL0, reg);
1147 }
1148 if (pi->caps_td_ramping) {
1149 reg = RREG32_DIDT(ixDIDT_TD_CTRL0);
1150 if (enable)
1151 reg = REG_SET_FIELD(reg, DIDT_TD_CTRL0, DIDT_CTRL_EN, 1);
1152 else
1153 reg = REG_SET_FIELD(reg, DIDT_TD_CTRL0, DIDT_CTRL_EN, 0);
1154 WREG32_DIDT(ixDIDT_TD_CTRL0, reg);
1155 }
1156 if (pi->caps_tcp_ramping) {
1157 reg = RREG32_DIDT(ixDIDT_TCP_CTRL0);
1158 if (enable)
1159 reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 1);
1160 else
1161 reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 0);
1162 WREG32_DIDT(ixDIDT_TCP_CTRL0, reg);
1163 }
1164
1165 }
1166
1167 static int cz_enable_didt(struct amdgpu_device *adev, bool enable)
1168 {
1169 struct cz_power_info *pi = cz_get_pi(adev);
1170 int ret;
1171
1172 if (pi->caps_sq_ramping || pi->caps_db_ramping ||
1173 pi->caps_td_ramping || pi->caps_tcp_ramping) {
1174 if (adev->gfx.gfx_current_status != AMDGPU_GFX_SAFE_MODE) {
1175 ret = cz_disable_cgpg(adev);
1176 if (ret) {
1177 DRM_ERROR("Pre Di/Dt disable cg/pg failed\n");
1178 return -EINVAL;
1179 }
1180 adev->gfx.gfx_current_status = AMDGPU_GFX_SAFE_MODE;
1181 }
1182
1183 ret = cz_program_pt_config_registers(adev);
1184 if (ret) {
1185 DRM_ERROR("Di/Dt config failed\n");
1186 return -EINVAL;
1187 }
1188 cz_do_enable_didt(adev, enable);
1189
1190 if (adev->gfx.gfx_current_status == AMDGPU_GFX_SAFE_MODE) {
1191 ret = cz_enable_cgpg(adev);
1192 if (ret) {
1193 DRM_ERROR("Post Di/Dt enable cg/pg failed\n");
1194 return -EINVAL;
1195 }
1196 adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE;
1197 }
1198 }
1199
1200 return 0;
1201 }
1202
1203 /* TODO */
1204 static void cz_reset_acp_boot_level(struct amdgpu_device *adev)
1205 {
1206 }
1207
1208 static void cz_update_current_ps(struct amdgpu_device *adev,
1209 struct amdgpu_ps *rps)
1210 {
1211 struct cz_power_info *pi = cz_get_pi(adev);
1212 struct cz_ps *ps = cz_get_ps(rps);
1213
1214 pi->current_ps = *ps;
1215 pi->current_rps = *rps;
1216 pi->current_rps.ps_priv = ps;
1217
1218 }
1219
1220 static void cz_update_requested_ps(struct amdgpu_device *adev,
1221 struct amdgpu_ps *rps)
1222 {
1223 struct cz_power_info *pi = cz_get_pi(adev);
1224 struct cz_ps *ps = cz_get_ps(rps);
1225
1226 pi->requested_ps = *ps;
1227 pi->requested_rps = *rps;
1228 pi->requested_rps.ps_priv = ps;
1229
1230 }
1231
1232 /* PP arbiter support needed TODO */
1233 static void cz_apply_state_adjust_rules(struct amdgpu_device *adev,
1234 struct amdgpu_ps *new_rps,
1235 struct amdgpu_ps *old_rps)
1236 {
1237 struct cz_ps *ps = cz_get_ps(new_rps);
1238 struct cz_power_info *pi = cz_get_pi(adev);
1239 struct amdgpu_clock_and_voltage_limits *limits =
1240 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
1241 /* 10kHz memory clock */
1242 uint32_t mclk = 0;
1243
1244 ps->force_high = false;
1245 ps->need_dfs_bypass = true;
1246 pi->video_start = new_rps->dclk || new_rps->vclk ||
1247 new_rps->evclk || new_rps->ecclk;
1248
1249 if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
1250 ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
1251 pi->battery_state = true;
1252 else
1253 pi->battery_state = false;
1254
1255 if (pi->caps_stable_power_state)
1256 mclk = limits->mclk;
1257
1258 if (mclk > pi->sys_info.nbp_memory_clock[CZ_NUM_NBPMEMORY_CLOCK - 1])
1259 ps->force_high = true;
1260
1261 }
1262
1263 static int cz_dpm_enable(struct amdgpu_device *adev)
1264 {
1265 int ret = 0;
1266
1267 /* renable will hang up SMU, so check first */
1268 if (cz_check_for_dpm_enabled(adev))
1269 return -EINVAL;
1270
1271 cz_program_voting_clients(adev);
1272
1273 ret = cz_start_dpm(adev);
1274 if (ret) {
1275 DRM_ERROR("Carrizo DPM enable failed\n");
1276 return -EINVAL;
1277 }
1278
1279 ret = cz_program_bootup_state(adev);
1280 if (ret) {
1281 DRM_ERROR("Carrizo bootup state program failed\n");
1282 return -EINVAL;
1283 }
1284
1285 ret = cz_enable_didt(adev, true);
1286 if (ret) {
1287 DRM_ERROR("Carrizo enable di/dt failed\n");
1288 return -EINVAL;
1289 }
1290
1291 cz_reset_acp_boot_level(adev);
1292
1293 cz_update_current_ps(adev, adev->pm.dpm.boot_ps);
1294
1295 return 0;
1296 }
1297
1298 static int cz_dpm_hw_init(void *handle)
1299 {
1300 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1301 int ret = 0;
1302
1303 mutex_lock(&adev->pm.mutex);
1304
1305 /* smu init only needs to be called at startup, not resume.
1306 * It should be in sw_init, but requires the fw info gathered
1307 * in sw_init from other IP modules.
1308 */
1309 ret = cz_smu_init(adev);
1310 if (ret) {
1311 DRM_ERROR("amdgpu: smc initialization failed\n");
1312 mutex_unlock(&adev->pm.mutex);
1313 return ret;
1314 }
1315
1316 /* do the actual fw loading */
1317 ret = cz_smu_start(adev);
1318 if (ret) {
1319 DRM_ERROR("amdgpu: smc start failed\n");
1320 mutex_unlock(&adev->pm.mutex);
1321 return ret;
1322 }
1323
1324 if (!amdgpu_dpm) {
1325 adev->pm.dpm_enabled = false;
1326 mutex_unlock(&adev->pm.mutex);
1327 return ret;
1328 }
1329
1330 /* cz dpm setup asic */
1331 cz_dpm_setup_asic(adev);
1332
1333 /* cz dpm enable */
1334 ret = cz_dpm_enable(adev);
1335 if (ret)
1336 adev->pm.dpm_enabled = false;
1337 else
1338 adev->pm.dpm_enabled = true;
1339
1340 mutex_unlock(&adev->pm.mutex);
1341
1342 return 0;
1343 }
1344
1345 static int cz_dpm_disable(struct amdgpu_device *adev)
1346 {
1347 int ret = 0;
1348
1349 if (!cz_check_for_dpm_enabled(adev))
1350 return -EINVAL;
1351
1352 ret = cz_enable_didt(adev, false);
1353 if (ret) {
1354 DRM_ERROR("Carrizo disable di/dt failed\n");
1355 return -EINVAL;
1356 }
1357
1358 /* powerup blocks */
1359 cz_dpm_powergate_uvd(adev, false);
1360 cz_dpm_powergate_vce(adev, false);
1361
1362 cz_clear_voting_clients(adev);
1363 cz_stop_dpm(adev);
1364 cz_update_current_ps(adev, adev->pm.dpm.boot_ps);
1365
1366 return 0;
1367 }
1368
1369 static int cz_dpm_hw_fini(void *handle)
1370 {
1371 int ret = 0;
1372 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1373
1374 mutex_lock(&adev->pm.mutex);
1375
1376 /* smu fini only needs to be called at teardown, not suspend.
1377 * It should be in sw_fini, but we put it here for symmetry
1378 * with smu init.
1379 */
1380 cz_smu_fini(adev);
1381
1382 if (adev->pm.dpm_enabled) {
1383 ret = cz_dpm_disable(adev);
1384
1385 adev->pm.dpm.current_ps =
1386 adev->pm.dpm.requested_ps =
1387 adev->pm.dpm.boot_ps;
1388 }
1389
1390 adev->pm.dpm_enabled = false;
1391
1392 mutex_unlock(&adev->pm.mutex);
1393
1394 return ret;
1395 }
1396
1397 static int cz_dpm_suspend(void *handle)
1398 {
1399 int ret = 0;
1400 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1401
1402 if (adev->pm.dpm_enabled) {
1403 mutex_lock(&adev->pm.mutex);
1404
1405 ret = cz_dpm_disable(adev);
1406
1407 adev->pm.dpm.current_ps =
1408 adev->pm.dpm.requested_ps =
1409 adev->pm.dpm.boot_ps;
1410
1411 mutex_unlock(&adev->pm.mutex);
1412 }
1413
1414 return ret;
1415 }
1416
1417 static int cz_dpm_resume(void *handle)
1418 {
1419 int ret = 0;
1420 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1421
1422 mutex_lock(&adev->pm.mutex);
1423
1424 /* do the actual fw loading */
1425 ret = cz_smu_start(adev);
1426 if (ret) {
1427 DRM_ERROR("amdgpu: smc start failed\n");
1428 mutex_unlock(&adev->pm.mutex);
1429 return ret;
1430 }
1431
1432 if (!amdgpu_dpm) {
1433 adev->pm.dpm_enabled = false;
1434 mutex_unlock(&adev->pm.mutex);
1435 return ret;
1436 }
1437
1438 /* cz dpm setup asic */
1439 cz_dpm_setup_asic(adev);
1440
1441 /* cz dpm enable */
1442 ret = cz_dpm_enable(adev);
1443 if (ret)
1444 adev->pm.dpm_enabled = false;
1445 else
1446 adev->pm.dpm_enabled = true;
1447
1448 mutex_unlock(&adev->pm.mutex);
1449 /* upon resume, re-compute the clocks */
1450 if (adev->pm.dpm_enabled)
1451 amdgpu_pm_compute_clocks(adev);
1452
1453 return 0;
1454 }
1455
1456 static int cz_dpm_set_clockgating_state(void *handle,
1457 enum amd_clockgating_state state)
1458 {
1459 return 0;
1460 }
1461
1462 static int cz_dpm_set_powergating_state(void *handle,
1463 enum amd_powergating_state state)
1464 {
1465 return 0;
1466 }
1467
1468 /* borrowed from KV, need future unify */
1469 static int cz_dpm_get_temperature(struct amdgpu_device *adev)
1470 {
1471 int actual_temp = 0;
1472 uint32_t temp = RREG32_SMC(0xC0300E0C);
1473
1474 if (temp)
1475 actual_temp = 1000 * ((temp / 8) - 49);
1476
1477 return actual_temp;
1478 }
1479
1480 static int cz_dpm_pre_set_power_state(struct amdgpu_device *adev)
1481 {
1482 struct cz_power_info *pi = cz_get_pi(adev);
1483 struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
1484 struct amdgpu_ps *new_ps = &requested_ps;
1485
1486 cz_update_requested_ps(adev, new_ps);
1487 cz_apply_state_adjust_rules(adev, &pi->requested_rps,
1488 &pi->current_rps);
1489
1490 return 0;
1491 }
1492
1493 static int cz_dpm_update_sclk_limit(struct amdgpu_device *adev)
1494 {
1495 struct cz_power_info *pi = cz_get_pi(adev);
1496 struct amdgpu_clock_and_voltage_limits *limits =
1497 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
1498 uint32_t clock, stable_ps_clock = 0;
1499
1500 clock = pi->sclk_dpm.soft_min_clk;
1501
1502 if (pi->caps_stable_power_state) {
1503 stable_ps_clock = limits->sclk * 75 / 100;
1504 if (clock < stable_ps_clock)
1505 clock = stable_ps_clock;
1506 }
1507
1508 if (clock != pi->sclk_dpm.soft_min_clk) {
1509 pi->sclk_dpm.soft_min_clk = clock;
1510 cz_send_msg_to_smc_with_parameter(adev,
1511 PPSMC_MSG_SetSclkSoftMin,
1512 cz_get_sclk_level(adev, clock,
1513 PPSMC_MSG_SetSclkSoftMin));
1514 }
1515
1516 if (pi->caps_stable_power_state &&
1517 pi->sclk_dpm.soft_max_clk != clock) {
1518 pi->sclk_dpm.soft_max_clk = clock;
1519 cz_send_msg_to_smc_with_parameter(adev,
1520 PPSMC_MSG_SetSclkSoftMax,
1521 cz_get_sclk_level(adev, clock,
1522 PPSMC_MSG_SetSclkSoftMax));
1523 } else {
1524 cz_send_msg_to_smc_with_parameter(adev,
1525 PPSMC_MSG_SetSclkSoftMax,
1526 cz_get_sclk_level(adev,
1527 pi->sclk_dpm.soft_max_clk,
1528 PPSMC_MSG_SetSclkSoftMax));
1529 }
1530
1531 return 0;
1532 }
1533
1534 static int cz_dpm_set_deep_sleep_sclk_threshold(struct amdgpu_device *adev)
1535 {
1536 int ret = 0;
1537 struct cz_power_info *pi = cz_get_pi(adev);
1538
1539 if (pi->caps_sclk_ds) {
1540 cz_send_msg_to_smc_with_parameter(adev,
1541 PPSMC_MSG_SetMinDeepSleepSclk,
1542 CZ_MIN_DEEP_SLEEP_SCLK);
1543 }
1544
1545 return ret;
1546 }
1547
1548 /* ?? without dal support, is this still needed in setpowerstate list*/
1549 static int cz_dpm_set_watermark_threshold(struct amdgpu_device *adev)
1550 {
1551 int ret = 0;
1552 struct cz_power_info *pi = cz_get_pi(adev);
1553
1554 cz_send_msg_to_smc_with_parameter(adev,
1555 PPSMC_MSG_SetWatermarkFrequency,
1556 pi->sclk_dpm.soft_max_clk);
1557
1558 return ret;
1559 }
1560
1561 static int cz_dpm_enable_nbdpm(struct amdgpu_device *adev)
1562 {
1563 int ret = 0;
1564 struct cz_power_info *pi = cz_get_pi(adev);
1565
1566 /* also depend on dal NBPStateDisableRequired */
1567 if (pi->nb_dpm_enabled_by_driver && !pi->nb_dpm_enabled) {
1568 ret = cz_send_msg_to_smc_with_parameter(adev,
1569 PPSMC_MSG_EnableAllSmuFeatures,
1570 NB_DPM_MASK);
1571 if (ret) {
1572 DRM_ERROR("amdgpu: nb dpm enable failed\n");
1573 return ret;
1574 }
1575 pi->nb_dpm_enabled = true;
1576 }
1577
1578 return ret;
1579 }
1580
1581 static void cz_dpm_nbdpm_lm_pstate_enable(struct amdgpu_device *adev,
1582 bool enable)
1583 {
1584 if (enable)
1585 cz_send_msg_to_smc(adev, PPSMC_MSG_EnableLowMemoryPstate);
1586 else
1587 cz_send_msg_to_smc(adev, PPSMC_MSG_DisableLowMemoryPstate);
1588
1589 }
1590
1591 static int cz_dpm_update_low_memory_pstate(struct amdgpu_device *adev)
1592 {
1593 int ret = 0;
1594 struct cz_power_info *pi = cz_get_pi(adev);
1595 struct cz_ps *ps = &pi->requested_ps;
1596
1597 if (pi->sys_info.nb_dpm_enable) {
1598 if (ps->force_high)
1599 cz_dpm_nbdpm_lm_pstate_enable(adev, false);
1600 else
1601 cz_dpm_nbdpm_lm_pstate_enable(adev, true);
1602 }
1603
1604 return ret;
1605 }
1606
1607 /* with dpm enabled */
1608 static int cz_dpm_set_power_state(struct amdgpu_device *adev)
1609 {
1610 int ret = 0;
1611
1612 cz_dpm_update_sclk_limit(adev);
1613 cz_dpm_set_deep_sleep_sclk_threshold(adev);
1614 cz_dpm_set_watermark_threshold(adev);
1615 cz_dpm_enable_nbdpm(adev);
1616 cz_dpm_update_low_memory_pstate(adev);
1617
1618 return ret;
1619 }
1620
1621 static void cz_dpm_post_set_power_state(struct amdgpu_device *adev)
1622 {
1623 struct cz_power_info *pi = cz_get_pi(adev);
1624 struct amdgpu_ps *ps = &pi->requested_rps;
1625
1626 cz_update_current_ps(adev, ps);
1627
1628 }
1629
1630 static int cz_dpm_force_highest(struct amdgpu_device *adev)
1631 {
1632 struct cz_power_info *pi = cz_get_pi(adev);
1633 int ret = 0;
1634
1635 if (pi->sclk_dpm.soft_min_clk != pi->sclk_dpm.soft_max_clk) {
1636 pi->sclk_dpm.soft_min_clk =
1637 pi->sclk_dpm.soft_max_clk;
1638 ret = cz_send_msg_to_smc_with_parameter(adev,
1639 PPSMC_MSG_SetSclkSoftMin,
1640 cz_get_sclk_level(adev,
1641 pi->sclk_dpm.soft_min_clk,
1642 PPSMC_MSG_SetSclkSoftMin));
1643 if (ret)
1644 return ret;
1645 }
1646
1647 return ret;
1648 }
1649
1650 static int cz_dpm_force_lowest(struct amdgpu_device *adev)
1651 {
1652 struct cz_power_info *pi = cz_get_pi(adev);
1653 int ret = 0;
1654
1655 if (pi->sclk_dpm.soft_max_clk != pi->sclk_dpm.soft_min_clk) {
1656 pi->sclk_dpm.soft_max_clk = pi->sclk_dpm.soft_min_clk;
1657 ret = cz_send_msg_to_smc_with_parameter(adev,
1658 PPSMC_MSG_SetSclkSoftMax,
1659 cz_get_sclk_level(adev,
1660 pi->sclk_dpm.soft_max_clk,
1661 PPSMC_MSG_SetSclkSoftMax));
1662 if (ret)
1663 return ret;
1664 }
1665
1666 return ret;
1667 }
1668
1669 static uint32_t cz_dpm_get_max_sclk_level(struct amdgpu_device *adev)
1670 {
1671 struct cz_power_info *pi = cz_get_pi(adev);
1672
1673 if (!pi->max_sclk_level) {
1674 cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxSclkLevel);
1675 pi->max_sclk_level = cz_get_argument(adev) + 1;
1676 }
1677
1678 if (pi->max_sclk_level > CZ_MAX_HARDWARE_POWERLEVELS) {
1679 DRM_ERROR("Invalid max sclk level!\n");
1680 return -EINVAL;
1681 }
1682
1683 return pi->max_sclk_level;
1684 }
1685
1686 static int cz_dpm_unforce_dpm_levels(struct amdgpu_device *adev)
1687 {
1688 struct cz_power_info *pi = cz_get_pi(adev);
1689 struct amdgpu_clock_voltage_dependency_table *dep_table =
1690 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
1691 uint32_t level = 0;
1692 int ret = 0;
1693
1694 pi->sclk_dpm.soft_min_clk = dep_table->entries[0].clk;
1695 level = cz_dpm_get_max_sclk_level(adev) - 1;
1696 if (level < dep_table->count)
1697 pi->sclk_dpm.soft_max_clk = dep_table->entries[level].clk;
1698 else
1699 pi->sclk_dpm.soft_max_clk =
1700 dep_table->entries[dep_table->count - 1].clk;
1701
1702 /* get min/max sclk soft value
1703 * notify SMU to execute */
1704 ret = cz_send_msg_to_smc_with_parameter(adev,
1705 PPSMC_MSG_SetSclkSoftMin,
1706 cz_get_sclk_level(adev,
1707 pi->sclk_dpm.soft_min_clk,
1708 PPSMC_MSG_SetSclkSoftMin));
1709 if (ret)
1710 return ret;
1711
1712 ret = cz_send_msg_to_smc_with_parameter(adev,
1713 PPSMC_MSG_SetSclkSoftMax,
1714 cz_get_sclk_level(adev,
1715 pi->sclk_dpm.soft_max_clk,
1716 PPSMC_MSG_SetSclkSoftMax));
1717 if (ret)
1718 return ret;
1719
1720 DRM_DEBUG("DPM unforce state min=%d, max=%d.\n",
1721 pi->sclk_dpm.soft_min_clk,
1722 pi->sclk_dpm.soft_max_clk);
1723
1724 return 0;
1725 }
1726
1727 static int cz_dpm_force_dpm_level(struct amdgpu_device *adev,
1728 enum amdgpu_dpm_forced_level level)
1729 {
1730 int ret = 0;
1731
1732 switch (level) {
1733 case AMDGPU_DPM_FORCED_LEVEL_HIGH:
1734 ret = cz_dpm_unforce_dpm_levels(adev);
1735 if (ret)
1736 return ret;
1737 ret = cz_dpm_force_highest(adev);
1738 if (ret)
1739 return ret;
1740 break;
1741 case AMDGPU_DPM_FORCED_LEVEL_LOW:
1742 ret = cz_dpm_unforce_dpm_levels(adev);
1743 if (ret)
1744 return ret;
1745 ret = cz_dpm_force_lowest(adev);
1746 if (ret)
1747 return ret;
1748 break;
1749 case AMDGPU_DPM_FORCED_LEVEL_AUTO:
1750 ret = cz_dpm_unforce_dpm_levels(adev);
1751 if (ret)
1752 return ret;
1753 break;
1754 default:
1755 break;
1756 }
1757
1758 adev->pm.dpm.forced_level = level;
1759
1760 return ret;
1761 }
1762
1763 /* fix me, display configuration change lists here
1764 * mostly dal related*/
1765 static void cz_dpm_display_configuration_changed(struct amdgpu_device *adev)
1766 {
1767 }
1768
1769 static uint32_t cz_dpm_get_sclk(struct amdgpu_device *adev, bool low)
1770 {
1771 struct cz_power_info *pi = cz_get_pi(adev);
1772 struct cz_ps *requested_state = cz_get_ps(&pi->requested_rps);
1773
1774 if (low)
1775 return requested_state->levels[0].sclk;
1776 else
1777 return requested_state->levels[requested_state->num_levels - 1].sclk;
1778
1779 }
1780
1781 static uint32_t cz_dpm_get_mclk(struct amdgpu_device *adev, bool low)
1782 {
1783 struct cz_power_info *pi = cz_get_pi(adev);
1784
1785 return pi->sys_info.bootup_uma_clk;
1786 }
1787
1788 static int cz_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
1789 {
1790 struct cz_power_info *pi = cz_get_pi(adev);
1791 int ret = 0;
1792
1793 if (enable && pi->caps_uvd_dpm ) {
1794 pi->dpm_flags |= DPMFlags_UVD_Enabled;
1795 DRM_DEBUG("UVD DPM Enabled.\n");
1796
1797 ret = cz_send_msg_to_smc_with_parameter(adev,
1798 PPSMC_MSG_EnableAllSmuFeatures, UVD_DPM_MASK);
1799 } else {
1800 pi->dpm_flags &= ~DPMFlags_UVD_Enabled;
1801 DRM_DEBUG("UVD DPM Stopped\n");
1802
1803 ret = cz_send_msg_to_smc_with_parameter(adev,
1804 PPSMC_MSG_DisableAllSmuFeatures, UVD_DPM_MASK);
1805 }
1806
1807 return ret;
1808 }
1809
1810 static int cz_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
1811 {
1812 return cz_enable_uvd_dpm(adev, !gate);
1813 }
1814
1815
1816 static void cz_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate)
1817 {
1818 struct cz_power_info *pi = cz_get_pi(adev);
1819 int ret;
1820
1821 if (pi->uvd_power_gated == gate)
1822 return;
1823
1824 pi->uvd_power_gated = gate;
1825
1826 if (gate) {
1827 if (pi->caps_uvd_pg) {
1828 /* disable clockgating so we can properly shut down the block */
1829 ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1830 AMD_CG_STATE_UNGATE);
1831 /* shutdown the UVD block */
1832 ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1833 AMD_PG_STATE_GATE);
1834 /* XXX: check for errors */
1835 }
1836 cz_update_uvd_dpm(adev, gate);
1837 if (pi->caps_uvd_pg)
1838 /* power off the UVD block */
1839 cz_send_msg_to_smc(adev, PPSMC_MSG_UVDPowerOFF);
1840 } else {
1841 if (pi->caps_uvd_pg) {
1842 /* power on the UVD block */
1843 if (pi->uvd_dynamic_pg)
1844 cz_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_UVDPowerON, 1);
1845 else
1846 cz_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_UVDPowerON, 0);
1847 /* re-init the UVD block */
1848 ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1849 AMD_PG_STATE_UNGATE);
1850 /* enable clockgating. hw will dynamically gate/ungate clocks on the fly */
1851 ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1852 AMD_CG_STATE_GATE);
1853 /* XXX: check for errors */
1854 }
1855 cz_update_uvd_dpm(adev, gate);
1856 }
1857 }
1858
1859 static int cz_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
1860 {
1861 struct cz_power_info *pi = cz_get_pi(adev);
1862 int ret = 0;
1863
1864 if (enable && pi->caps_vce_dpm) {
1865 pi->dpm_flags |= DPMFlags_VCE_Enabled;
1866 DRM_DEBUG("VCE DPM Enabled.\n");
1867
1868 ret = cz_send_msg_to_smc_with_parameter(adev,
1869 PPSMC_MSG_EnableAllSmuFeatures, VCE_DPM_MASK);
1870
1871 } else {
1872 pi->dpm_flags &= ~DPMFlags_VCE_Enabled;
1873 DRM_DEBUG("VCE DPM Stopped\n");
1874
1875 ret = cz_send_msg_to_smc_with_parameter(adev,
1876 PPSMC_MSG_DisableAllSmuFeatures, VCE_DPM_MASK);
1877 }
1878
1879 return ret;
1880 }
1881
1882 static int cz_update_vce_dpm(struct amdgpu_device *adev)
1883 {
1884 struct cz_power_info *pi = cz_get_pi(adev);
1885 struct amdgpu_vce_clock_voltage_dependency_table *table =
1886 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
1887
1888 /* Stable Pstate is enabled and we need to set the VCE DPM to highest level */
1889 if (pi->caps_stable_power_state) {
1890 pi->vce_dpm.hard_min_clk = table->entries[table->count-1].ecclk;
1891
1892 } else { /* non-stable p-state cases. without vce.Arbiter.EcclkHardMin */
1893 pi->vce_dpm.hard_min_clk = table->entries[0].ecclk;
1894 }
1895
1896 cz_send_msg_to_smc_with_parameter(adev,
1897 PPSMC_MSG_SetEclkHardMin,
1898 cz_get_eclk_level(adev,
1899 pi->vce_dpm.hard_min_clk,
1900 PPSMC_MSG_SetEclkHardMin));
1901 return 0;
1902 }
1903
1904 static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate)
1905 {
1906 struct cz_power_info *pi = cz_get_pi(adev);
1907
1908 if (pi->caps_vce_pg) {
1909 if (pi->vce_power_gated != gate) {
1910 if (gate) {
1911 /* disable clockgating so we can properly shut down the block */
1912 amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1913 AMD_CG_STATE_UNGATE);
1914 /* shutdown the VCE block */
1915 amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1916 AMD_PG_STATE_GATE);
1917
1918 cz_enable_vce_dpm(adev, false);
1919 /* TODO: to figure out why vce can't be poweroff. */
1920 /* cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerOFF); */
1921 pi->vce_power_gated = true;
1922 } else {
1923 cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerON);
1924 pi->vce_power_gated = false;
1925
1926 /* re-init the VCE block */
1927 amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1928 AMD_PG_STATE_UNGATE);
1929 /* enable clockgating. hw will dynamically gate/ungate clocks on the fly */
1930 amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
1931 AMD_CG_STATE_GATE);
1932
1933 cz_update_vce_dpm(adev);
1934 cz_enable_vce_dpm(adev, true);
1935 }
1936 } else {
1937 if (! pi->vce_power_gated) {
1938 cz_update_vce_dpm(adev);
1939 }
1940 }
1941 } else { /*pi->caps_vce_pg*/
1942 cz_update_vce_dpm(adev);
1943 cz_enable_vce_dpm(adev, true);
1944 }
1945
1946 return;
1947 }
1948
1949 const struct amd_ip_funcs cz_dpm_ip_funcs = {
1950 .early_init = cz_dpm_early_init,
1951 .late_init = cz_dpm_late_init,
1952 .sw_init = cz_dpm_sw_init,
1953 .sw_fini = cz_dpm_sw_fini,
1954 .hw_init = cz_dpm_hw_init,
1955 .hw_fini = cz_dpm_hw_fini,
1956 .suspend = cz_dpm_suspend,
1957 .resume = cz_dpm_resume,
1958 .is_idle = NULL,
1959 .wait_for_idle = NULL,
1960 .soft_reset = NULL,
1961 .print_status = NULL,
1962 .set_clockgating_state = cz_dpm_set_clockgating_state,
1963 .set_powergating_state = cz_dpm_set_powergating_state,
1964 };
1965
1966 static const struct amdgpu_dpm_funcs cz_dpm_funcs = {
1967 .get_temperature = cz_dpm_get_temperature,
1968 .pre_set_power_state = cz_dpm_pre_set_power_state,
1969 .set_power_state = cz_dpm_set_power_state,
1970 .post_set_power_state = cz_dpm_post_set_power_state,
1971 .display_configuration_changed = cz_dpm_display_configuration_changed,
1972 .get_sclk = cz_dpm_get_sclk,
1973 .get_mclk = cz_dpm_get_mclk,
1974 .print_power_state = cz_dpm_print_power_state,
1975 .debugfs_print_current_performance_level =
1976 cz_dpm_debugfs_print_current_performance_level,
1977 .force_performance_level = cz_dpm_force_dpm_level,
1978 .vblank_too_short = NULL,
1979 .powergate_uvd = cz_dpm_powergate_uvd,
1980 .powergate_vce = cz_dpm_powergate_vce,
1981 };
1982
1983 static void cz_dpm_set_funcs(struct amdgpu_device *adev)
1984 {
1985 if (NULL == adev->pm.funcs)
1986 adev->pm.funcs = &cz_dpm_funcs;
1987 }
Linux kernel - Deliverables
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