1 /*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23 #include "pp_debug.h"
24 #include <linux/types.h>
25 #include <linux/kernel.h>
26 #include <linux/slab.h>
27 #include "atom-types.h"
28 #include "atombios.h"
29 #include "processpptables.h"
30 #include "cgs_common.h"
31 #include "smu/smu_8_0_d.h"
32 #include "smu8_fusion.h"
33 #include "smu/smu_8_0_sh_mask.h"
34 #include "smumgr.h"
35 #include "hwmgr.h"
36 #include "hardwaremanager.h"
37 #include "cz_ppsmc.h"
38 #include "smu8_hwmgr.h"
39 #include "power_state.h"
40 #include "pp_thermal.h"
41
42 #define ixSMUSVI_NB_CURRENTVID 0xD8230044
43 #define CURRENT_NB_VID_MASK 0xff000000
44 #define CURRENT_NB_VID__SHIFT 24
45 #define ixSMUSVI_GFX_CURRENTVID 0xD8230048
46 #define CURRENT_GFX_VID_MASK 0xff000000
47 #define CURRENT_GFX_VID__SHIFT 24
48
49 static const unsigned long smu8_magic = (unsigned long) PHM_Cz_Magic;
50
cast_smu8_power_state(struct pp_hw_power_state * hw_ps)51 static struct smu8_power_state *cast_smu8_power_state(struct pp_hw_power_state *hw_ps)
52 {
53 if (smu8_magic != hw_ps->magic)
54 return NULL;
55
56 return (struct smu8_power_state *)hw_ps;
57 }
58
cast_const_smu8_power_state(const struct pp_hw_power_state * hw_ps)59 static const struct smu8_power_state *cast_const_smu8_power_state(
60 const struct pp_hw_power_state *hw_ps)
61 {
62 if (smu8_magic != hw_ps->magic)
63 return NULL;
64
65 return (struct smu8_power_state *)hw_ps;
66 }
67
smu8_get_eclk_level(struct pp_hwmgr * hwmgr,uint32_t clock,uint32_t msg)68 static uint32_t smu8_get_eclk_level(struct pp_hwmgr *hwmgr,
69 uint32_t clock, uint32_t msg)
70 {
71 int i = 0;
72 struct phm_vce_clock_voltage_dependency_table *ptable =
73 hwmgr->dyn_state.vce_clock_voltage_dependency_table;
74
75 switch (msg) {
76 case PPSMC_MSG_SetEclkSoftMin:
77 case PPSMC_MSG_SetEclkHardMin:
78 for (i = 0; i < (int)ptable->count; i++) {
79 if (clock <= ptable->entries[i].ecclk)
80 break;
81 }
82 break;
83
84 case PPSMC_MSG_SetEclkSoftMax:
85 case PPSMC_MSG_SetEclkHardMax:
86 for (i = ptable->count - 1; i >= 0; i--) {
87 if (clock >= ptable->entries[i].ecclk)
88 break;
89 }
90 break;
91
92 default:
93 break;
94 }
95
96 return i;
97 }
98
smu8_get_sclk_level(struct pp_hwmgr * hwmgr,uint32_t clock,uint32_t msg)99 static uint32_t smu8_get_sclk_level(struct pp_hwmgr *hwmgr,
100 uint32_t clock, uint32_t msg)
101 {
102 int i = 0;
103 struct phm_clock_voltage_dependency_table *table =
104 hwmgr->dyn_state.vddc_dependency_on_sclk;
105
106 switch (msg) {
107 case PPSMC_MSG_SetSclkSoftMin:
108 case PPSMC_MSG_SetSclkHardMin:
109 for (i = 0; i < (int)table->count; i++) {
110 if (clock <= table->entries[i].clk)
111 break;
112 }
113 break;
114
115 case PPSMC_MSG_SetSclkSoftMax:
116 case PPSMC_MSG_SetSclkHardMax:
117 for (i = table->count - 1; i >= 0; i--) {
118 if (clock >= table->entries[i].clk)
119 break;
120 }
121 break;
122
123 default:
124 break;
125 }
126 return i;
127 }
128
smu8_get_uvd_level(struct pp_hwmgr * hwmgr,uint32_t clock,uint32_t msg)129 static uint32_t smu8_get_uvd_level(struct pp_hwmgr *hwmgr,
130 uint32_t clock, uint32_t msg)
131 {
132 int i = 0;
133 struct phm_uvd_clock_voltage_dependency_table *ptable =
134 hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
135
136 switch (msg) {
137 case PPSMC_MSG_SetUvdSoftMin:
138 case PPSMC_MSG_SetUvdHardMin:
139 for (i = 0; i < (int)ptable->count; i++) {
140 if (clock <= ptable->entries[i].vclk)
141 break;
142 }
143 break;
144
145 case PPSMC_MSG_SetUvdSoftMax:
146 case PPSMC_MSG_SetUvdHardMax:
147 for (i = ptable->count - 1; i >= 0; i--) {
148 if (clock >= ptable->entries[i].vclk)
149 break;
150 }
151 break;
152
153 default:
154 break;
155 }
156
157 return i;
158 }
159
smu8_get_max_sclk_level(struct pp_hwmgr * hwmgr)160 static uint32_t smu8_get_max_sclk_level(struct pp_hwmgr *hwmgr)
161 {
162 struct smu8_hwmgr *data = hwmgr->backend;
163
164 if (data->max_sclk_level == 0) {
165 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxSclkLevel);
166 data->max_sclk_level = smum_get_argument(hwmgr) + 1;
167 }
168
169 return data->max_sclk_level;
170 }
171
smu8_initialize_dpm_defaults(struct pp_hwmgr * hwmgr)172 static int smu8_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)
173 {
174 struct smu8_hwmgr *data = hwmgr->backend;
175 struct amdgpu_device *adev = hwmgr->adev;
176
177 data->gfx_ramp_step = 256*25/100;
178 data->gfx_ramp_delay = 1; /* by default, we delay 1us */
179
180 data->mgcg_cgtt_local0 = 0x00000000;
181 data->mgcg_cgtt_local1 = 0x00000000;
182 data->clock_slow_down_freq = 25000;
183 data->skip_clock_slow_down = 1;
184 data->enable_nb_ps_policy = 1; /* disable until UNB is ready, Enabled */
185 data->voltage_drop_in_dce_power_gating = 0; /* disable until fully verified */
186 data->voting_rights_clients = 0x00C00033;
187 data->static_screen_threshold = 8;
188 data->ddi_power_gating_disabled = 0;
189 data->bapm_enabled = 1;
190 data->voltage_drop_threshold = 0;
191 data->gfx_power_gating_threshold = 500;
192 data->vce_slow_sclk_threshold = 20000;
193 data->dce_slow_sclk_threshold = 30000;
194 data->disable_driver_thermal_policy = 1;
195 data->disable_nb_ps3_in_battery = 0;
196
197 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
198 PHM_PlatformCaps_ABM);
199
200 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
201 PHM_PlatformCaps_NonABMSupportInPPLib);
202
203 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
204 PHM_PlatformCaps_DynamicM3Arbiter);
205
206 data->override_dynamic_mgpg = 1;
207
208 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
209 PHM_PlatformCaps_DynamicPatchPowerState);
210
211 data->thermal_auto_throttling_treshold = 0;
212 data->tdr_clock = 0;
213 data->disable_gfx_power_gating_in_uvd = 0;
214
215 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
216 PHM_PlatformCaps_DynamicUVDState);
217
218 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
219 PHM_PlatformCaps_UVDDPM);
220 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
221 PHM_PlatformCaps_VCEDPM);
222
223 data->cc6_settings.cpu_cc6_disable = false;
224 data->cc6_settings.cpu_pstate_disable = false;
225 data->cc6_settings.nb_pstate_switch_disable = false;
226 data->cc6_settings.cpu_pstate_separation_time = 0;
227
228 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
229 PHM_PlatformCaps_DisableVoltageIsland);
230
231 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
232 PHM_PlatformCaps_UVDPowerGating);
233 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
234 PHM_PlatformCaps_VCEPowerGating);
235
236 if (adev->pg_flags & AMD_PG_SUPPORT_UVD)
237 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
238 PHM_PlatformCaps_UVDPowerGating);
239 if (adev->pg_flags & AMD_PG_SUPPORT_VCE)
240 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
241 PHM_PlatformCaps_VCEPowerGating);
242
243
244 return 0;
245 }
246
247 /* convert form 8bit vid to real voltage in mV*4 */
smu8_convert_8Bit_index_to_voltage(struct pp_hwmgr * hwmgr,uint16_t voltage)248 static uint32_t smu8_convert_8Bit_index_to_voltage(
249 struct pp_hwmgr *hwmgr, uint16_t voltage)
250 {
251 return 6200 - (voltage * 25);
252 }
253
smu8_construct_max_power_limits_table(struct pp_hwmgr * hwmgr,struct phm_clock_and_voltage_limits * table)254 static int smu8_construct_max_power_limits_table(struct pp_hwmgr *hwmgr,
255 struct phm_clock_and_voltage_limits *table)
256 {
257 struct smu8_hwmgr *data = hwmgr->backend;
258 struct smu8_sys_info *sys_info = &data->sys_info;
259 struct phm_clock_voltage_dependency_table *dep_table =
260 hwmgr->dyn_state.vddc_dependency_on_sclk;
261
262 if (dep_table->count > 0) {
263 table->sclk = dep_table->entries[dep_table->count-1].clk;
264 table->vddc = smu8_convert_8Bit_index_to_voltage(hwmgr,
265 (uint16_t)dep_table->entries[dep_table->count-1].v);
266 }
267 table->mclk = sys_info->nbp_memory_clock[0];
268 return 0;
269 }
270
smu8_init_dynamic_state_adjustment_rule_settings(struct pp_hwmgr * hwmgr,ATOM_CLK_VOLT_CAPABILITY * disp_voltage_table)271 static int smu8_init_dynamic_state_adjustment_rule_settings(
272 struct pp_hwmgr *hwmgr,
273 ATOM_CLK_VOLT_CAPABILITY *disp_voltage_table)
274 {
275 uint32_t table_size =
276 sizeof(struct phm_clock_voltage_dependency_table) +
277 (7 * sizeof(struct phm_clock_voltage_dependency_record));
278
279 struct phm_clock_voltage_dependency_table *table_clk_vlt =
280 kzalloc(table_size, GFP_KERNEL);
281
282 if (NULL == table_clk_vlt) {
283 pr_err("Can not allocate memory!\n");
284 return -ENOMEM;
285 }
286
287 table_clk_vlt->count = 8;
288 table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_0;
289 table_clk_vlt->entries[0].v = 0;
290 table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_1;
291 table_clk_vlt->entries[1].v = 1;
292 table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_2;
293 table_clk_vlt->entries[2].v = 2;
294 table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_3;
295 table_clk_vlt->entries[3].v = 3;
296 table_clk_vlt->entries[4].clk = PP_DAL_POWERLEVEL_4;
297 table_clk_vlt->entries[4].v = 4;
298 table_clk_vlt->entries[5].clk = PP_DAL_POWERLEVEL_5;
299 table_clk_vlt->entries[5].v = 5;
300 table_clk_vlt->entries[6].clk = PP_DAL_POWERLEVEL_6;
301 table_clk_vlt->entries[6].v = 6;
302 table_clk_vlt->entries[7].clk = PP_DAL_POWERLEVEL_7;
303 table_clk_vlt->entries[7].v = 7;
304 hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt;
305
306 return 0;
307 }
308
smu8_get_system_info_data(struct pp_hwmgr * hwmgr)309 static int smu8_get_system_info_data(struct pp_hwmgr *hwmgr)
310 {
311 struct smu8_hwmgr *data = hwmgr->backend;
312 ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *info = NULL;
313 uint32_t i;
314 int result = 0;
315 uint8_t frev, crev;
316 uint16_t size;
317
318 info = (ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *)smu_atom_get_data_table(hwmgr->adev,
319 GetIndexIntoMasterTable(DATA, IntegratedSystemInfo),
320 &size, &frev, &crev);
321
322 if (info == NULL) {
323 pr_err("Could not retrieve the Integrated System Info Table!\n");
324 return -EINVAL;
325 }
326
327 if (crev != 9) {
328 pr_err("Unsupported IGP table: %d %d\n", frev, crev);
329 return -EINVAL;
330 }
331
332 data->sys_info.bootup_uma_clock =
333 le32_to_cpu(info->ulBootUpUMAClock);
334
335 data->sys_info.bootup_engine_clock =
336 le32_to_cpu(info->ulBootUpEngineClock);
337
338 data->sys_info.dentist_vco_freq =
339 le32_to_cpu(info->ulDentistVCOFreq);
340
341 data->sys_info.system_config =
342 le32_to_cpu(info->ulSystemConfig);
343
344 data->sys_info.bootup_nb_voltage_index =
345 le16_to_cpu(info->usBootUpNBVoltage);
346
347 data->sys_info.htc_hyst_lmt =
348 (info->ucHtcHystLmt == 0) ? 5 : info->ucHtcHystLmt;
349
350 data->sys_info.htc_tmp_lmt =
351 (info->ucHtcTmpLmt == 0) ? 203 : info->ucHtcTmpLmt;
352
353 if (data->sys_info.htc_tmp_lmt <=
354 data->sys_info.htc_hyst_lmt) {
355 pr_err("The htcTmpLmt should be larger than htcHystLmt.\n");
356 return -EINVAL;
357 }
358
359 data->sys_info.nb_dpm_enable =
360 data->enable_nb_ps_policy &&
361 (le32_to_cpu(info->ulSystemConfig) >> 3 & 0x1);
362
363 for (i = 0; i < SMU8_NUM_NBPSTATES; i++) {
364 if (i < SMU8_NUM_NBPMEMORYCLOCK) {
365 data->sys_info.nbp_memory_clock[i] =
366 le32_to_cpu(info->ulNbpStateMemclkFreq[i]);
367 }
368 data->sys_info.nbp_n_clock[i] =
369 le32_to_cpu(info->ulNbpStateNClkFreq[i]);
370 }
371
372 for (i = 0; i < MAX_DISPLAY_CLOCK_LEVEL; i++) {
373 data->sys_info.display_clock[i] =
374 le32_to_cpu(info->sDispClkVoltageMapping[i].ulMaximumSupportedCLK);
375 }
376
377 /* Here use 4 levels, make sure not exceed */
378 for (i = 0; i < SMU8_NUM_NBPSTATES; i++) {
379 data->sys_info.nbp_voltage_index[i] =
380 le16_to_cpu(info->usNBPStateVoltage[i]);
381 }
382
383 if (!data->sys_info.nb_dpm_enable) {
384 for (i = 1; i < SMU8_NUM_NBPSTATES; i++) {
385 if (i < SMU8_NUM_NBPMEMORYCLOCK) {
386 data->sys_info.nbp_memory_clock[i] =
387 data->sys_info.nbp_memory_clock[0];
388 }
389 data->sys_info.nbp_n_clock[i] =
390 data->sys_info.nbp_n_clock[0];
391 data->sys_info.nbp_voltage_index[i] =
392 data->sys_info.nbp_voltage_index[0];
393 }
394 }
395
396 if (le32_to_cpu(info->ulGPUCapInfo) &
397 SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS) {
398 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
399 PHM_PlatformCaps_EnableDFSBypass);
400 }
401
402 data->sys_info.uma_channel_number = info->ucUMAChannelNumber;
403
404 smu8_construct_max_power_limits_table (hwmgr,
405 &hwmgr->dyn_state.max_clock_voltage_on_ac);
406
407 smu8_init_dynamic_state_adjustment_rule_settings(hwmgr,
408 &info->sDISPCLK_Voltage[0]);
409
410 return result;
411 }
412
smu8_construct_boot_state(struct pp_hwmgr * hwmgr)413 static int smu8_construct_boot_state(struct pp_hwmgr *hwmgr)
414 {
415 struct smu8_hwmgr *data = hwmgr->backend;
416
417 data->boot_power_level.engineClock =
418 data->sys_info.bootup_engine_clock;
419
420 data->boot_power_level.vddcIndex =
421 (uint8_t)data->sys_info.bootup_nb_voltage_index;
422
423 data->boot_power_level.dsDividerIndex = 0;
424 data->boot_power_level.ssDividerIndex = 0;
425 data->boot_power_level.allowGnbSlow = 1;
426 data->boot_power_level.forceNBPstate = 0;
427 data->boot_power_level.hysteresis_up = 0;
428 data->boot_power_level.numSIMDToPowerDown = 0;
429 data->boot_power_level.display_wm = 0;
430 data->boot_power_level.vce_wm = 0;
431
432 return 0;
433 }
434
smu8_upload_pptable_to_smu(struct pp_hwmgr * hwmgr)435 static int smu8_upload_pptable_to_smu(struct pp_hwmgr *hwmgr)
436 {
437 struct SMU8_Fusion_ClkTable *clock_table;
438 int ret;
439 uint32_t i;
440 void *table = NULL;
441 pp_atomctrl_clock_dividers_kong dividers;
442
443 struct phm_clock_voltage_dependency_table *vddc_table =
444 hwmgr->dyn_state.vddc_dependency_on_sclk;
445 struct phm_clock_voltage_dependency_table *vdd_gfx_table =
446 hwmgr->dyn_state.vdd_gfx_dependency_on_sclk;
447 struct phm_acp_clock_voltage_dependency_table *acp_table =
448 hwmgr->dyn_state.acp_clock_voltage_dependency_table;
449 struct phm_uvd_clock_voltage_dependency_table *uvd_table =
450 hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
451 struct phm_vce_clock_voltage_dependency_table *vce_table =
452 hwmgr->dyn_state.vce_clock_voltage_dependency_table;
453
454 if (!hwmgr->need_pp_table_upload)
455 return 0;
456
457 ret = smum_download_powerplay_table(hwmgr, &table);
458
459 PP_ASSERT_WITH_CODE((0 == ret && NULL != table),
460 "Fail to get clock table from SMU!", return -EINVAL;);
461
462 clock_table = (struct SMU8_Fusion_ClkTable *)table;
463
464 /* patch clock table */
465 PP_ASSERT_WITH_CODE((vddc_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS),
466 "Dependency table entry exceeds max limit!", return -EINVAL;);
467 PP_ASSERT_WITH_CODE((vdd_gfx_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS),
468 "Dependency table entry exceeds max limit!", return -EINVAL;);
469 PP_ASSERT_WITH_CODE((acp_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS),
470 "Dependency table entry exceeds max limit!", return -EINVAL;);
471 PP_ASSERT_WITH_CODE((uvd_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS),
472 "Dependency table entry exceeds max limit!", return -EINVAL;);
473 PP_ASSERT_WITH_CODE((vce_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS),
474 "Dependency table entry exceeds max limit!", return -EINVAL;);
475
476 for (i = 0; i < SMU8_MAX_HARDWARE_POWERLEVELS; i++) {
477
478 /* vddc_sclk */
479 clock_table->SclkBreakdownTable.ClkLevel[i].GnbVid =
480 (i < vddc_table->count) ? (uint8_t)vddc_table->entries[i].v : 0;
481 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency =
482 (i < vddc_table->count) ? vddc_table->entries[i].clk : 0;
483
484 atomctrl_get_engine_pll_dividers_kong(hwmgr,
485 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency,
486 ÷rs);
487
488 clock_table->SclkBreakdownTable.ClkLevel[i].DfsDid =
489 (uint8_t)dividers.pll_post_divider;
490
491 /* vddgfx_sclk */
492 clock_table->SclkBreakdownTable.ClkLevel[i].GfxVid =
493 (i < vdd_gfx_table->count) ? (uint8_t)vdd_gfx_table->entries[i].v : 0;
494
495 /* acp breakdown */
496 clock_table->AclkBreakdownTable.ClkLevel[i].GfxVid =
497 (i < acp_table->count) ? (uint8_t)acp_table->entries[i].v : 0;
498 clock_table->AclkBreakdownTable.ClkLevel[i].Frequency =
499 (i < acp_table->count) ? acp_table->entries[i].acpclk : 0;
500
501 atomctrl_get_engine_pll_dividers_kong(hwmgr,
502 clock_table->AclkBreakdownTable.ClkLevel[i].Frequency,
503 ÷rs);
504
505 clock_table->AclkBreakdownTable.ClkLevel[i].DfsDid =
506 (uint8_t)dividers.pll_post_divider;
507
508
509 /* uvd breakdown */
510 clock_table->VclkBreakdownTable.ClkLevel[i].GfxVid =
511 (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0;
512 clock_table->VclkBreakdownTable.ClkLevel[i].Frequency =
513 (i < uvd_table->count) ? uvd_table->entries[i].vclk : 0;
514
515 atomctrl_get_engine_pll_dividers_kong(hwmgr,
516 clock_table->VclkBreakdownTable.ClkLevel[i].Frequency,
517 ÷rs);
518
519 clock_table->VclkBreakdownTable.ClkLevel[i].DfsDid =
520 (uint8_t)dividers.pll_post_divider;
521
522 clock_table->DclkBreakdownTable.ClkLevel[i].GfxVid =
523 (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0;
524 clock_table->DclkBreakdownTable.ClkLevel[i].Frequency =
525 (i < uvd_table->count) ? uvd_table->entries[i].dclk : 0;
526
527 atomctrl_get_engine_pll_dividers_kong(hwmgr,
528 clock_table->DclkBreakdownTable.ClkLevel[i].Frequency,
529 ÷rs);
530
531 clock_table->DclkBreakdownTable.ClkLevel[i].DfsDid =
532 (uint8_t)dividers.pll_post_divider;
533
534 /* vce breakdown */
535 clock_table->EclkBreakdownTable.ClkLevel[i].GfxVid =
536 (i < vce_table->count) ? (uint8_t)vce_table->entries[i].v : 0;
537 clock_table->EclkBreakdownTable.ClkLevel[i].Frequency =
538 (i < vce_table->count) ? vce_table->entries[i].ecclk : 0;
539
540
541 atomctrl_get_engine_pll_dividers_kong(hwmgr,
542 clock_table->EclkBreakdownTable.ClkLevel[i].Frequency,
543 ÷rs);
544
545 clock_table->EclkBreakdownTable.ClkLevel[i].DfsDid =
546 (uint8_t)dividers.pll_post_divider;
547
548 }
549 ret = smum_upload_powerplay_table(hwmgr);
550
551 return ret;
552 }
553
smu8_init_sclk_limit(struct pp_hwmgr * hwmgr)554 static int smu8_init_sclk_limit(struct pp_hwmgr *hwmgr)
555 {
556 struct smu8_hwmgr *data = hwmgr->backend;
557 struct phm_clock_voltage_dependency_table *table =
558 hwmgr->dyn_state.vddc_dependency_on_sclk;
559 unsigned long clock = 0, level;
560
561 if (NULL == table || table->count <= 0)
562 return -EINVAL;
563
564 data->sclk_dpm.soft_min_clk = table->entries[0].clk;
565 data->sclk_dpm.hard_min_clk = table->entries[0].clk;
566
567 level = smu8_get_max_sclk_level(hwmgr) - 1;
568
569 if (level < table->count)
570 clock = table->entries[level].clk;
571 else
572 clock = table->entries[table->count - 1].clk;
573
574 data->sclk_dpm.soft_max_clk = clock;
575 data->sclk_dpm.hard_max_clk = clock;
576
577 return 0;
578 }
579
smu8_init_uvd_limit(struct pp_hwmgr * hwmgr)580 static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr)
581 {
582 struct smu8_hwmgr *data = hwmgr->backend;
583 struct phm_uvd_clock_voltage_dependency_table *table =
584 hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
585 unsigned long clock = 0, level;
586
587 if (NULL == table || table->count <= 0)
588 return -EINVAL;
589
590 data->uvd_dpm.soft_min_clk = 0;
591 data->uvd_dpm.hard_min_clk = 0;
592
593 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel);
594 level = smum_get_argument(hwmgr);
595
596 if (level < table->count)
597 clock = table->entries[level].vclk;
598 else
599 clock = table->entries[table->count - 1].vclk;
600
601 data->uvd_dpm.soft_max_clk = clock;
602 data->uvd_dpm.hard_max_clk = clock;
603
604 return 0;
605 }
606
smu8_init_vce_limit(struct pp_hwmgr * hwmgr)607 static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr)
608 {
609 struct smu8_hwmgr *data = hwmgr->backend;
610 struct phm_vce_clock_voltage_dependency_table *table =
611 hwmgr->dyn_state.vce_clock_voltage_dependency_table;
612 unsigned long clock = 0, level;
613
614 if (NULL == table || table->count <= 0)
615 return -EINVAL;
616
617 data->vce_dpm.soft_min_clk = 0;
618 data->vce_dpm.hard_min_clk = 0;
619
620 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel);
621 level = smum_get_argument(hwmgr);
622
623 if (level < table->count)
624 clock = table->entries[level].ecclk;
625 else
626 clock = table->entries[table->count - 1].ecclk;
627
628 data->vce_dpm.soft_max_clk = clock;
629 data->vce_dpm.hard_max_clk = clock;
630
631 return 0;
632 }
633
smu8_init_acp_limit(struct pp_hwmgr * hwmgr)634 static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr)
635 {
636 struct smu8_hwmgr *data = hwmgr->backend;
637 struct phm_acp_clock_voltage_dependency_table *table =
638 hwmgr->dyn_state.acp_clock_voltage_dependency_table;
639 unsigned long clock = 0, level;
640
641 if (NULL == table || table->count <= 0)
642 return -EINVAL;
643
644 data->acp_dpm.soft_min_clk = 0;
645 data->acp_dpm.hard_min_clk = 0;
646
647 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel);
648 level = smum_get_argument(hwmgr);
649
650 if (level < table->count)
651 clock = table->entries[level].acpclk;
652 else
653 clock = table->entries[table->count - 1].acpclk;
654
655 data->acp_dpm.soft_max_clk = clock;
656 data->acp_dpm.hard_max_clk = clock;
657 return 0;
658 }
659
smu8_init_power_gate_state(struct pp_hwmgr * hwmgr)660 static void smu8_init_power_gate_state(struct pp_hwmgr *hwmgr)
661 {
662 struct smu8_hwmgr *data = hwmgr->backend;
663
664 data->uvd_power_gated = false;
665 data->vce_power_gated = false;
666 data->samu_power_gated = false;
667 data->acp_power_gated = false;
668 data->pgacpinit = true;
669 }
670
smu8_init_sclk_threshold(struct pp_hwmgr * hwmgr)671 static void smu8_init_sclk_threshold(struct pp_hwmgr *hwmgr)
672 {
673 struct smu8_hwmgr *data = hwmgr->backend;
674
675 data->low_sclk_interrupt_threshold = 0;
676 }
677
smu8_update_sclk_limit(struct pp_hwmgr * hwmgr)678 static int smu8_update_sclk_limit(struct pp_hwmgr *hwmgr)
679 {
680 struct smu8_hwmgr *data = hwmgr->backend;
681 struct phm_clock_voltage_dependency_table *table =
682 hwmgr->dyn_state.vddc_dependency_on_sclk;
683
684 unsigned long clock = 0;
685 unsigned long level;
686 unsigned long stable_pstate_sclk;
687 unsigned long percentage;
688
689 data->sclk_dpm.soft_min_clk = table->entries[0].clk;
690 level = smu8_get_max_sclk_level(hwmgr) - 1;
691
692 if (level < table->count)
693 data->sclk_dpm.soft_max_clk = table->entries[level].clk;
694 else
695 data->sclk_dpm.soft_max_clk = table->entries[table->count - 1].clk;
696
697 clock = hwmgr->display_config->min_core_set_clock;
698 if (clock == 0)
699 pr_debug("min_core_set_clock not set\n");
700
701 if (data->sclk_dpm.hard_min_clk != clock) {
702 data->sclk_dpm.hard_min_clk = clock;
703
704 smum_send_msg_to_smc_with_parameter(hwmgr,
705 PPSMC_MSG_SetSclkHardMin,
706 smu8_get_sclk_level(hwmgr,
707 data->sclk_dpm.hard_min_clk,
708 PPSMC_MSG_SetSclkHardMin));
709 }
710
711 clock = data->sclk_dpm.soft_min_clk;
712
713 /* update minimum clocks for Stable P-State feature */
714 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
715 PHM_PlatformCaps_StablePState)) {
716 percentage = 75;
717 /*Sclk - calculate sclk value based on percentage and find FLOOR sclk from VddcDependencyOnSCLK table */
718 stable_pstate_sclk = (hwmgr->dyn_state.max_clock_voltage_on_ac.mclk *
719 percentage) / 100;
720
721 if (clock < stable_pstate_sclk)
722 clock = stable_pstate_sclk;
723 }
724
725 if (data->sclk_dpm.soft_min_clk != clock) {
726 data->sclk_dpm.soft_min_clk = clock;
727 smum_send_msg_to_smc_with_parameter(hwmgr,
728 PPSMC_MSG_SetSclkSoftMin,
729 smu8_get_sclk_level(hwmgr,
730 data->sclk_dpm.soft_min_clk,
731 PPSMC_MSG_SetSclkSoftMin));
732 }
733
734 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
735 PHM_PlatformCaps_StablePState) &&
736 data->sclk_dpm.soft_max_clk != clock) {
737 data->sclk_dpm.soft_max_clk = clock;
738 smum_send_msg_to_smc_with_parameter(hwmgr,
739 PPSMC_MSG_SetSclkSoftMax,
740 smu8_get_sclk_level(hwmgr,
741 data->sclk_dpm.soft_max_clk,
742 PPSMC_MSG_SetSclkSoftMax));
743 }
744
745 return 0;
746 }
747
smu8_set_deep_sleep_sclk_threshold(struct pp_hwmgr * hwmgr)748 static int smu8_set_deep_sleep_sclk_threshold(struct pp_hwmgr *hwmgr)
749 {
750 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
751 PHM_PlatformCaps_SclkDeepSleep)) {
752 uint32_t clks = hwmgr->display_config->min_core_set_clock_in_sr;
753 if (clks == 0)
754 clks = SMU8_MIN_DEEP_SLEEP_SCLK;
755
756 PP_DBG_LOG("Setting Deep Sleep Clock: %d\n", clks);
757
758 smum_send_msg_to_smc_with_parameter(hwmgr,
759 PPSMC_MSG_SetMinDeepSleepSclk,
760 clks);
761 }
762
763 return 0;
764 }
765
smu8_set_watermark_threshold(struct pp_hwmgr * hwmgr)766 static int smu8_set_watermark_threshold(struct pp_hwmgr *hwmgr)
767 {
768 struct smu8_hwmgr *data =
769 hwmgr->backend;
770
771 smum_send_msg_to_smc_with_parameter(hwmgr,
772 PPSMC_MSG_SetWatermarkFrequency,
773 data->sclk_dpm.soft_max_clk);
774
775 return 0;
776 }
777
smu8_nbdpm_pstate_enable_disable(struct pp_hwmgr * hwmgr,bool enable,bool lock)778 static int smu8_nbdpm_pstate_enable_disable(struct pp_hwmgr *hwmgr, bool enable, bool lock)
779 {
780 struct smu8_hwmgr *hw_data = hwmgr->backend;
781
782 if (hw_data->is_nb_dpm_enabled) {
783 if (enable) {
784 PP_DBG_LOG("enable Low Memory PState.\n");
785
786 return smum_send_msg_to_smc_with_parameter(hwmgr,
787 PPSMC_MSG_EnableLowMemoryPstate,
788 (lock ? 1 : 0));
789 } else {
790 PP_DBG_LOG("disable Low Memory PState.\n");
791
792 return smum_send_msg_to_smc_with_parameter(hwmgr,
793 PPSMC_MSG_DisableLowMemoryPstate,
794 (lock ? 1 : 0));
795 }
796 }
797
798 return 0;
799 }
800
smu8_disable_nb_dpm(struct pp_hwmgr * hwmgr)801 static int smu8_disable_nb_dpm(struct pp_hwmgr *hwmgr)
802 {
803 int ret = 0;
804
805 struct smu8_hwmgr *data = hwmgr->backend;
806 unsigned long dpm_features = 0;
807
808 if (data->is_nb_dpm_enabled) {
809 smu8_nbdpm_pstate_enable_disable(hwmgr, true, true);
810 dpm_features |= NB_DPM_MASK;
811 ret = smum_send_msg_to_smc_with_parameter(
812 hwmgr,
813 PPSMC_MSG_DisableAllSmuFeatures,
814 dpm_features);
815 if (ret == 0)
816 data->is_nb_dpm_enabled = false;
817 }
818
819 return ret;
820 }
821
smu8_enable_nb_dpm(struct pp_hwmgr * hwmgr)822 static int smu8_enable_nb_dpm(struct pp_hwmgr *hwmgr)
823 {
824 int ret = 0;
825
826 struct smu8_hwmgr *data = hwmgr->backend;
827 unsigned long dpm_features = 0;
828
829 if (!data->is_nb_dpm_enabled) {
830 PP_DBG_LOG("enabling ALL SMU features.\n");
831 dpm_features |= NB_DPM_MASK;
832 ret = smum_send_msg_to_smc_with_parameter(
833 hwmgr,
834 PPSMC_MSG_EnableAllSmuFeatures,
835 dpm_features);
836 if (ret == 0)
837 data->is_nb_dpm_enabled = true;
838 }
839
840 return ret;
841 }
842
smu8_update_low_mem_pstate(struct pp_hwmgr * hwmgr,const void * input)843 static int smu8_update_low_mem_pstate(struct pp_hwmgr *hwmgr, const void *input)
844 {
845 bool disable_switch;
846 bool enable_low_mem_state;
847 struct smu8_hwmgr *hw_data = hwmgr->backend;
848 const struct phm_set_power_state_input *states = (struct phm_set_power_state_input *)input;
849 const struct smu8_power_state *pnew_state = cast_const_smu8_power_state(states->pnew_state);
850
851 if (hw_data->sys_info.nb_dpm_enable) {
852 disable_switch = hw_data->cc6_settings.nb_pstate_switch_disable ? true : false;
853 enable_low_mem_state = hw_data->cc6_settings.nb_pstate_switch_disable ? false : true;
854
855 if (pnew_state->action == FORCE_HIGH)
856 smu8_nbdpm_pstate_enable_disable(hwmgr, false, disable_switch);
857 else if (pnew_state->action == CANCEL_FORCE_HIGH)
858 smu8_nbdpm_pstate_enable_disable(hwmgr, true, disable_switch);
859 else
860 smu8_nbdpm_pstate_enable_disable(hwmgr, enable_low_mem_state, disable_switch);
861 }
862 return 0;
863 }
864
smu8_set_power_state_tasks(struct pp_hwmgr * hwmgr,const void * input)865 static int smu8_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
866 {
867 int ret = 0;
868
869 smu8_update_sclk_limit(hwmgr);
870 smu8_set_deep_sleep_sclk_threshold(hwmgr);
871 smu8_set_watermark_threshold(hwmgr);
872 ret = smu8_enable_nb_dpm(hwmgr);
873 if (ret)
874 return ret;
875 smu8_update_low_mem_pstate(hwmgr, input);
876
877 return 0;
878 };
879
880
smu8_setup_asic_task(struct pp_hwmgr * hwmgr)881 static int smu8_setup_asic_task(struct pp_hwmgr *hwmgr)
882 {
883 int ret;
884
885 ret = smu8_upload_pptable_to_smu(hwmgr);
886 if (ret)
887 return ret;
888 ret = smu8_init_sclk_limit(hwmgr);
889 if (ret)
890 return ret;
891 ret = smu8_init_uvd_limit(hwmgr);
892 if (ret)
893 return ret;
894 ret = smu8_init_vce_limit(hwmgr);
895 if (ret)
896 return ret;
897 ret = smu8_init_acp_limit(hwmgr);
898 if (ret)
899 return ret;
900
901 smu8_init_power_gate_state(hwmgr);
902 smu8_init_sclk_threshold(hwmgr);
903
904 return 0;
905 }
906
smu8_power_up_display_clock_sys_pll(struct pp_hwmgr * hwmgr)907 static void smu8_power_up_display_clock_sys_pll(struct pp_hwmgr *hwmgr)
908 {
909 struct smu8_hwmgr *hw_data = hwmgr->backend;
910
911 hw_data->disp_clk_bypass_pending = false;
912 hw_data->disp_clk_bypass = false;
913 }
914
smu8_clear_nb_dpm_flag(struct pp_hwmgr * hwmgr)915 static void smu8_clear_nb_dpm_flag(struct pp_hwmgr *hwmgr)
916 {
917 struct smu8_hwmgr *hw_data = hwmgr->backend;
918
919 hw_data->is_nb_dpm_enabled = false;
920 }
921
smu8_reset_cc6_data(struct pp_hwmgr * hwmgr)922 static void smu8_reset_cc6_data(struct pp_hwmgr *hwmgr)
923 {
924 struct smu8_hwmgr *hw_data = hwmgr->backend;
925
926 hw_data->cc6_settings.cc6_setting_changed = false;
927 hw_data->cc6_settings.cpu_pstate_separation_time = 0;
928 hw_data->cc6_settings.cpu_cc6_disable = false;
929 hw_data->cc6_settings.cpu_pstate_disable = false;
930 }
931
smu8_power_off_asic(struct pp_hwmgr * hwmgr)932 static int smu8_power_off_asic(struct pp_hwmgr *hwmgr)
933 {
934 smu8_power_up_display_clock_sys_pll(hwmgr);
935 smu8_clear_nb_dpm_flag(hwmgr);
936 smu8_reset_cc6_data(hwmgr);
937 return 0;
938 };
939
smu8_program_voting_clients(struct pp_hwmgr * hwmgr)940 static void smu8_program_voting_clients(struct pp_hwmgr *hwmgr)
941 {
942 cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
943 ixCG_FREQ_TRAN_VOTING_0,
944 SMU8_VOTINGRIGHTSCLIENTS_DFLT0);
945 }
946
smu8_clear_voting_clients(struct pp_hwmgr * hwmgr)947 static void smu8_clear_voting_clients(struct pp_hwmgr *hwmgr)
948 {
949 cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
950 ixCG_FREQ_TRAN_VOTING_0, 0);
951 }
952
smu8_start_dpm(struct pp_hwmgr * hwmgr)953 static int smu8_start_dpm(struct pp_hwmgr *hwmgr)
954 {
955 struct smu8_hwmgr *data = hwmgr->backend;
956
957 data->dpm_flags |= DPMFlags_SCLK_Enabled;
958
959 return smum_send_msg_to_smc_with_parameter(hwmgr,
960 PPSMC_MSG_EnableAllSmuFeatures,
961 SCLK_DPM_MASK);
962 }
963
smu8_stop_dpm(struct pp_hwmgr * hwmgr)964 static int smu8_stop_dpm(struct pp_hwmgr *hwmgr)
965 {
966 int ret = 0;
967 struct smu8_hwmgr *data = hwmgr->backend;
968 unsigned long dpm_features = 0;
969
970 if (data->dpm_flags & DPMFlags_SCLK_Enabled) {
971 dpm_features |= SCLK_DPM_MASK;
972 data->dpm_flags &= ~DPMFlags_SCLK_Enabled;
973 ret = smum_send_msg_to_smc_with_parameter(hwmgr,
974 PPSMC_MSG_DisableAllSmuFeatures,
975 dpm_features);
976 }
977 return ret;
978 }
979
smu8_program_bootup_state(struct pp_hwmgr * hwmgr)980 static int smu8_program_bootup_state(struct pp_hwmgr *hwmgr)
981 {
982 struct smu8_hwmgr *data = hwmgr->backend;
983
984 data->sclk_dpm.soft_min_clk = data->sys_info.bootup_engine_clock;
985 data->sclk_dpm.soft_max_clk = data->sys_info.bootup_engine_clock;
986
987 smum_send_msg_to_smc_with_parameter(hwmgr,
988 PPSMC_MSG_SetSclkSoftMin,
989 smu8_get_sclk_level(hwmgr,
990 data->sclk_dpm.soft_min_clk,
991 PPSMC_MSG_SetSclkSoftMin));
992
993 smum_send_msg_to_smc_with_parameter(hwmgr,
994 PPSMC_MSG_SetSclkSoftMax,
995 smu8_get_sclk_level(hwmgr,
996 data->sclk_dpm.soft_max_clk,
997 PPSMC_MSG_SetSclkSoftMax));
998
999 return 0;
1000 }
1001
smu8_reset_acp_boot_level(struct pp_hwmgr * hwmgr)1002 static void smu8_reset_acp_boot_level(struct pp_hwmgr *hwmgr)
1003 {
1004 struct smu8_hwmgr *data = hwmgr->backend;
1005
1006 data->acp_boot_level = 0xff;
1007 }
1008
smu8_disable_dpm_tasks(struct pp_hwmgr * hwmgr)1009 static int smu8_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
1010 {
1011 smu8_disable_nb_dpm(hwmgr);
1012
1013 smu8_clear_voting_clients(hwmgr);
1014 if (smu8_stop_dpm(hwmgr))
1015 return -EINVAL;
1016
1017 return 0;
1018 };
1019
smu8_enable_dpm_tasks(struct pp_hwmgr * hwmgr)1020 static int smu8_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
1021 {
1022 smu8_program_voting_clients(hwmgr);
1023 if (smu8_start_dpm(hwmgr))
1024 return -EINVAL;
1025 smu8_program_bootup_state(hwmgr);
1026 smu8_reset_acp_boot_level(hwmgr);
1027
1028 return 0;
1029 };
1030
smu8_apply_state_adjust_rules(struct pp_hwmgr * hwmgr,struct pp_power_state * prequest_ps,const struct pp_power_state * pcurrent_ps)1031 static int smu8_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
1032 struct pp_power_state *prequest_ps,
1033 const struct pp_power_state *pcurrent_ps)
1034 {
1035 struct smu8_power_state *smu8_ps =
1036 cast_smu8_power_state(&prequest_ps->hardware);
1037
1038 const struct smu8_power_state *smu8_current_ps =
1039 cast_const_smu8_power_state(&pcurrent_ps->hardware);
1040
1041 struct smu8_hwmgr *data = hwmgr->backend;
1042 struct PP_Clocks clocks = {0, 0, 0, 0};
1043 bool force_high;
1044
1045 smu8_ps->need_dfs_bypass = true;
1046
1047 data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label);
1048
1049 clocks.memoryClock = hwmgr->display_config->min_mem_set_clock != 0 ?
1050 hwmgr->display_config->min_mem_set_clock :
1051 data->sys_info.nbp_memory_clock[1];
1052
1053
1054 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState))
1055 clocks.memoryClock = hwmgr->dyn_state.max_clock_voltage_on_ac.mclk;
1056
1057 force_high = (clocks.memoryClock > data->sys_info.nbp_memory_clock[SMU8_NUM_NBPMEMORYCLOCK - 1])
1058 || (hwmgr->display_config->num_display >= 3);
1059
1060 smu8_ps->action = smu8_current_ps->action;
1061
1062 if (hwmgr->request_dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
1063 smu8_nbdpm_pstate_enable_disable(hwmgr, false, false);
1064 else if (hwmgr->request_dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD)
1065 smu8_nbdpm_pstate_enable_disable(hwmgr, false, true);
1066 else if (!force_high && (smu8_ps->action == FORCE_HIGH))
1067 smu8_ps->action = CANCEL_FORCE_HIGH;
1068 else if (force_high && (smu8_ps->action != FORCE_HIGH))
1069 smu8_ps->action = FORCE_HIGH;
1070 else
1071 smu8_ps->action = DO_NOTHING;
1072
1073 return 0;
1074 }
1075
smu8_hwmgr_backend_init(struct pp_hwmgr * hwmgr)1076 static int smu8_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
1077 {
1078 int result = 0;
1079 struct smu8_hwmgr *data;
1080
1081 data = kzalloc(sizeof(struct smu8_hwmgr), GFP_KERNEL);
1082 if (data == NULL)
1083 return -ENOMEM;
1084
1085 hwmgr->backend = data;
1086
1087 result = smu8_initialize_dpm_defaults(hwmgr);
1088 if (result != 0) {
1089 pr_err("smu8_initialize_dpm_defaults failed\n");
1090 return result;
1091 }
1092
1093 result = smu8_get_system_info_data(hwmgr);
1094 if (result != 0) {
1095 pr_err("smu8_get_system_info_data failed\n");
1096 return result;
1097 }
1098
1099 smu8_construct_boot_state(hwmgr);
1100
1101 hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = SMU8_MAX_HARDWARE_POWERLEVELS;
1102
1103 return result;
1104 }
1105
smu8_hwmgr_backend_fini(struct pp_hwmgr * hwmgr)1106 static int smu8_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
1107 {
1108 if (hwmgr != NULL) {
1109 kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
1110 hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL;
1111
1112 kfree(hwmgr->backend);
1113 hwmgr->backend = NULL;
1114 }
1115 return 0;
1116 }
1117
smu8_phm_force_dpm_highest(struct pp_hwmgr * hwmgr)1118 static int smu8_phm_force_dpm_highest(struct pp_hwmgr *hwmgr)
1119 {
1120 struct smu8_hwmgr *data = hwmgr->backend;
1121
1122 smum_send_msg_to_smc_with_parameter(hwmgr,
1123 PPSMC_MSG_SetSclkSoftMin,
1124 smu8_get_sclk_level(hwmgr,
1125 data->sclk_dpm.soft_max_clk,
1126 PPSMC_MSG_SetSclkSoftMin));
1127
1128 smum_send_msg_to_smc_with_parameter(hwmgr,
1129 PPSMC_MSG_SetSclkSoftMax,
1130 smu8_get_sclk_level(hwmgr,
1131 data->sclk_dpm.soft_max_clk,
1132 PPSMC_MSG_SetSclkSoftMax));
1133
1134 return 0;
1135 }
1136
smu8_phm_unforce_dpm_levels(struct pp_hwmgr * hwmgr)1137 static int smu8_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
1138 {
1139 struct smu8_hwmgr *data = hwmgr->backend;
1140 struct phm_clock_voltage_dependency_table *table =
1141 hwmgr->dyn_state.vddc_dependency_on_sclk;
1142 unsigned long clock = 0, level;
1143
1144 if (NULL == table || table->count <= 0)
1145 return -EINVAL;
1146
1147 data->sclk_dpm.soft_min_clk = table->entries[0].clk;
1148 data->sclk_dpm.hard_min_clk = table->entries[0].clk;
1149 hwmgr->pstate_sclk = table->entries[0].clk;
1150 hwmgr->pstate_mclk = 0;
1151
1152 level = smu8_get_max_sclk_level(hwmgr) - 1;
1153
1154 if (level < table->count)
1155 clock = table->entries[level].clk;
1156 else
1157 clock = table->entries[table->count - 1].clk;
1158
1159 data->sclk_dpm.soft_max_clk = clock;
1160 data->sclk_dpm.hard_max_clk = clock;
1161
1162 smum_send_msg_to_smc_with_parameter(hwmgr,
1163 PPSMC_MSG_SetSclkSoftMin,
1164 smu8_get_sclk_level(hwmgr,
1165 data->sclk_dpm.soft_min_clk,
1166 PPSMC_MSG_SetSclkSoftMin));
1167
1168 smum_send_msg_to_smc_with_parameter(hwmgr,
1169 PPSMC_MSG_SetSclkSoftMax,
1170 smu8_get_sclk_level(hwmgr,
1171 data->sclk_dpm.soft_max_clk,
1172 PPSMC_MSG_SetSclkSoftMax));
1173
1174 return 0;
1175 }
1176
smu8_phm_force_dpm_lowest(struct pp_hwmgr * hwmgr)1177 static int smu8_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr)
1178 {
1179 struct smu8_hwmgr *data = hwmgr->backend;
1180
1181 smum_send_msg_to_smc_with_parameter(hwmgr,
1182 PPSMC_MSG_SetSclkSoftMax,
1183 smu8_get_sclk_level(hwmgr,
1184 data->sclk_dpm.soft_min_clk,
1185 PPSMC_MSG_SetSclkSoftMax));
1186
1187 smum_send_msg_to_smc_with_parameter(hwmgr,
1188 PPSMC_MSG_SetSclkSoftMin,
1189 smu8_get_sclk_level(hwmgr,
1190 data->sclk_dpm.soft_min_clk,
1191 PPSMC_MSG_SetSclkSoftMin));
1192
1193 return 0;
1194 }
1195
smu8_dpm_force_dpm_level(struct pp_hwmgr * hwmgr,enum amd_dpm_forced_level level)1196 static int smu8_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
1197 enum amd_dpm_forced_level level)
1198 {
1199 int ret = 0;
1200
1201 switch (level) {
1202 case AMD_DPM_FORCED_LEVEL_HIGH:
1203 case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
1204 ret = smu8_phm_force_dpm_highest(hwmgr);
1205 break;
1206 case AMD_DPM_FORCED_LEVEL_LOW:
1207 case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
1208 case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
1209 ret = smu8_phm_force_dpm_lowest(hwmgr);
1210 break;
1211 case AMD_DPM_FORCED_LEVEL_AUTO:
1212 ret = smu8_phm_unforce_dpm_levels(hwmgr);
1213 break;
1214 case AMD_DPM_FORCED_LEVEL_MANUAL:
1215 case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
1216 default:
1217 break;
1218 }
1219
1220 return ret;
1221 }
1222
smu8_dpm_powerdown_uvd(struct pp_hwmgr * hwmgr)1223 static int smu8_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr)
1224 {
1225 if (PP_CAP(PHM_PlatformCaps_UVDPowerGating))
1226 return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UVDPowerOFF);
1227 return 0;
1228 }
1229
smu8_dpm_powerup_uvd(struct pp_hwmgr * hwmgr)1230 static int smu8_dpm_powerup_uvd(struct pp_hwmgr *hwmgr)
1231 {
1232 if (PP_CAP(PHM_PlatformCaps_UVDPowerGating)) {
1233 return smum_send_msg_to_smc_with_parameter(
1234 hwmgr,
1235 PPSMC_MSG_UVDPowerON,
1236 PP_CAP(PHM_PlatformCaps_UVDDynamicPowerGating) ? 1 : 0);
1237 }
1238
1239 return 0;
1240 }
1241
smu8_dpm_update_vce_dpm(struct pp_hwmgr * hwmgr)1242 static int smu8_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr)
1243 {
1244 struct smu8_hwmgr *data = hwmgr->backend;
1245 struct phm_vce_clock_voltage_dependency_table *ptable =
1246 hwmgr->dyn_state.vce_clock_voltage_dependency_table;
1247
1248 /* Stable Pstate is enabled and we need to set the VCE DPM to highest level */
1249 if (PP_CAP(PHM_PlatformCaps_StablePState) ||
1250 hwmgr->en_umd_pstate) {
1251 data->vce_dpm.hard_min_clk =
1252 ptable->entries[ptable->count - 1].ecclk;
1253
1254 smum_send_msg_to_smc_with_parameter(hwmgr,
1255 PPSMC_MSG_SetEclkHardMin,
1256 smu8_get_eclk_level(hwmgr,
1257 data->vce_dpm.hard_min_clk,
1258 PPSMC_MSG_SetEclkHardMin));
1259 } else {
1260
1261 smum_send_msg_to_smc_with_parameter(hwmgr,
1262 PPSMC_MSG_SetEclkHardMin, 0);
1263 /* disable ECLK DPM 0. Otherwise VCE could hang if
1264 * switching SCLK from DPM 0 to 6/7 */
1265 smum_send_msg_to_smc_with_parameter(hwmgr,
1266 PPSMC_MSG_SetEclkSoftMin, 1);
1267 }
1268 return 0;
1269 }
1270
smu8_dpm_powerdown_vce(struct pp_hwmgr * hwmgr)1271 static int smu8_dpm_powerdown_vce(struct pp_hwmgr *hwmgr)
1272 {
1273 if (PP_CAP(PHM_PlatformCaps_VCEPowerGating))
1274 return smum_send_msg_to_smc(hwmgr,
1275 PPSMC_MSG_VCEPowerOFF);
1276 return 0;
1277 }
1278
smu8_dpm_powerup_vce(struct pp_hwmgr * hwmgr)1279 static int smu8_dpm_powerup_vce(struct pp_hwmgr *hwmgr)
1280 {
1281 if (PP_CAP(PHM_PlatformCaps_VCEPowerGating))
1282 return smum_send_msg_to_smc(hwmgr,
1283 PPSMC_MSG_VCEPowerON);
1284 return 0;
1285 }
1286
smu8_dpm_get_mclk(struct pp_hwmgr * hwmgr,bool low)1287 static uint32_t smu8_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
1288 {
1289 struct smu8_hwmgr *data = hwmgr->backend;
1290
1291 return data->sys_info.bootup_uma_clock;
1292 }
1293
smu8_dpm_get_sclk(struct pp_hwmgr * hwmgr,bool low)1294 static uint32_t smu8_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
1295 {
1296 struct pp_power_state *ps;
1297 struct smu8_power_state *smu8_ps;
1298
1299 if (hwmgr == NULL)
1300 return -EINVAL;
1301
1302 ps = hwmgr->request_ps;
1303
1304 if (ps == NULL)
1305 return -EINVAL;
1306
1307 smu8_ps = cast_smu8_power_state(&ps->hardware);
1308
1309 if (low)
1310 return smu8_ps->levels[0].engineClock;
1311 else
1312 return smu8_ps->levels[smu8_ps->level-1].engineClock;
1313 }
1314
smu8_dpm_patch_boot_state(struct pp_hwmgr * hwmgr,struct pp_hw_power_state * hw_ps)1315 static int smu8_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
1316 struct pp_hw_power_state *hw_ps)
1317 {
1318 struct smu8_hwmgr *data = hwmgr->backend;
1319 struct smu8_power_state *smu8_ps = cast_smu8_power_state(hw_ps);
1320
1321 smu8_ps->level = 1;
1322 smu8_ps->nbps_flags = 0;
1323 smu8_ps->bapm_flags = 0;
1324 smu8_ps->levels[0] = data->boot_power_level;
1325
1326 return 0;
1327 }
1328
smu8_dpm_get_pp_table_entry_callback(struct pp_hwmgr * hwmgr,struct pp_hw_power_state * hw_ps,unsigned int index,const void * clock_info)1329 static int smu8_dpm_get_pp_table_entry_callback(
1330 struct pp_hwmgr *hwmgr,
1331 struct pp_hw_power_state *hw_ps,
1332 unsigned int index,
1333 const void *clock_info)
1334 {
1335 struct smu8_power_state *smu8_ps = cast_smu8_power_state(hw_ps);
1336
1337 const ATOM_PPLIB_CZ_CLOCK_INFO *smu8_clock_info = clock_info;
1338
1339 struct phm_clock_voltage_dependency_table *table =
1340 hwmgr->dyn_state.vddc_dependency_on_sclk;
1341 uint8_t clock_info_index = smu8_clock_info->index;
1342
1343 if (clock_info_index > (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1))
1344 clock_info_index = (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1);
1345
1346 smu8_ps->levels[index].engineClock = table->entries[clock_info_index].clk;
1347 smu8_ps->levels[index].vddcIndex = (uint8_t)table->entries[clock_info_index].v;
1348
1349 smu8_ps->level = index + 1;
1350
1351 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
1352 smu8_ps->levels[index].dsDividerIndex = 5;
1353 smu8_ps->levels[index].ssDividerIndex = 5;
1354 }
1355
1356 return 0;
1357 }
1358
smu8_dpm_get_num_of_pp_table_entries(struct pp_hwmgr * hwmgr)1359 static int smu8_dpm_get_num_of_pp_table_entries(struct pp_hwmgr *hwmgr)
1360 {
1361 int result;
1362 unsigned long ret = 0;
1363
1364 result = pp_tables_get_num_of_entries(hwmgr, &ret);
1365
1366 return result ? 0 : ret;
1367 }
1368
smu8_dpm_get_pp_table_entry(struct pp_hwmgr * hwmgr,unsigned long entry,struct pp_power_state * ps)1369 static int smu8_dpm_get_pp_table_entry(struct pp_hwmgr *hwmgr,
1370 unsigned long entry, struct pp_power_state *ps)
1371 {
1372 int result;
1373 struct smu8_power_state *smu8_ps;
1374
1375 ps->hardware.magic = smu8_magic;
1376
1377 smu8_ps = cast_smu8_power_state(&(ps->hardware));
1378
1379 result = pp_tables_get_entry(hwmgr, entry, ps,
1380 smu8_dpm_get_pp_table_entry_callback);
1381
1382 smu8_ps->uvd_clocks.vclk = ps->uvd_clocks.VCLK;
1383 smu8_ps->uvd_clocks.dclk = ps->uvd_clocks.DCLK;
1384
1385 return result;
1386 }
1387
smu8_get_power_state_size(struct pp_hwmgr * hwmgr)1388 static int smu8_get_power_state_size(struct pp_hwmgr *hwmgr)
1389 {
1390 return sizeof(struct smu8_power_state);
1391 }
1392
smu8_hw_print_display_cfg(const struct cc6_settings * cc6_settings)1393 static void smu8_hw_print_display_cfg(
1394 const struct cc6_settings *cc6_settings)
1395 {
1396 PP_DBG_LOG("New Display Configuration:\n");
1397
1398 PP_DBG_LOG(" cpu_cc6_disable: %d\n",
1399 cc6_settings->cpu_cc6_disable);
1400 PP_DBG_LOG(" cpu_pstate_disable: %d\n",
1401 cc6_settings->cpu_pstate_disable);
1402 PP_DBG_LOG(" nb_pstate_switch_disable: %d\n",
1403 cc6_settings->nb_pstate_switch_disable);
1404 PP_DBG_LOG(" cpu_pstate_separation_time: %d\n\n",
1405 cc6_settings->cpu_pstate_separation_time);
1406 }
1407
smu8_set_cpu_power_state(struct pp_hwmgr * hwmgr)1408 static int smu8_set_cpu_power_state(struct pp_hwmgr *hwmgr)
1409 {
1410 struct smu8_hwmgr *hw_data = hwmgr->backend;
1411 uint32_t data = 0;
1412
1413 if (hw_data->cc6_settings.cc6_setting_changed) {
1414
1415 hw_data->cc6_settings.cc6_setting_changed = false;
1416
1417 smu8_hw_print_display_cfg(&hw_data->cc6_settings);
1418
1419 data |= (hw_data->cc6_settings.cpu_pstate_separation_time
1420 & PWRMGT_SEPARATION_TIME_MASK)
1421 << PWRMGT_SEPARATION_TIME_SHIFT;
1422
1423 data |= (hw_data->cc6_settings.cpu_cc6_disable ? 0x1 : 0x0)
1424 << PWRMGT_DISABLE_CPU_CSTATES_SHIFT;
1425
1426 data |= (hw_data->cc6_settings.cpu_pstate_disable ? 0x1 : 0x0)
1427 << PWRMGT_DISABLE_CPU_PSTATES_SHIFT;
1428
1429 PP_DBG_LOG("SetDisplaySizePowerParams data: 0x%X\n",
1430 data);
1431
1432 smum_send_msg_to_smc_with_parameter(hwmgr,
1433 PPSMC_MSG_SetDisplaySizePowerParams,
1434 data);
1435 }
1436
1437 return 0;
1438 }
1439
1440
smu8_store_cc6_data(struct pp_hwmgr * hwmgr,uint32_t separation_time,bool cc6_disable,bool pstate_disable,bool pstate_switch_disable)1441 static int smu8_store_cc6_data(struct pp_hwmgr *hwmgr, uint32_t separation_time,
1442 bool cc6_disable, bool pstate_disable, bool pstate_switch_disable)
1443 {
1444 struct smu8_hwmgr *hw_data = hwmgr->backend;
1445
1446 if (separation_time !=
1447 hw_data->cc6_settings.cpu_pstate_separation_time ||
1448 cc6_disable != hw_data->cc6_settings.cpu_cc6_disable ||
1449 pstate_disable != hw_data->cc6_settings.cpu_pstate_disable ||
1450 pstate_switch_disable != hw_data->cc6_settings.nb_pstate_switch_disable) {
1451
1452 hw_data->cc6_settings.cc6_setting_changed = true;
1453
1454 hw_data->cc6_settings.cpu_pstate_separation_time =
1455 separation_time;
1456 hw_data->cc6_settings.cpu_cc6_disable =
1457 cc6_disable;
1458 hw_data->cc6_settings.cpu_pstate_disable =
1459 pstate_disable;
1460 hw_data->cc6_settings.nb_pstate_switch_disable =
1461 pstate_switch_disable;
1462
1463 }
1464
1465 return 0;
1466 }
1467
smu8_get_dal_power_level(struct pp_hwmgr * hwmgr,struct amd_pp_simple_clock_info * info)1468 static int smu8_get_dal_power_level(struct pp_hwmgr *hwmgr,
1469 struct amd_pp_simple_clock_info *info)
1470 {
1471 uint32_t i;
1472 const struct phm_clock_voltage_dependency_table *table =
1473 hwmgr->dyn_state.vddc_dep_on_dal_pwrl;
1474 const struct phm_clock_and_voltage_limits *limits =
1475 &hwmgr->dyn_state.max_clock_voltage_on_ac;
1476
1477 info->engine_max_clock = limits->sclk;
1478 info->memory_max_clock = limits->mclk;
1479
1480 for (i = table->count - 1; i > 0; i--) {
1481 if (limits->vddc >= table->entries[i].v) {
1482 info->level = table->entries[i].clk;
1483 return 0;
1484 }
1485 }
1486 return -EINVAL;
1487 }
1488
smu8_force_clock_level(struct pp_hwmgr * hwmgr,enum pp_clock_type type,uint32_t mask)1489 static int smu8_force_clock_level(struct pp_hwmgr *hwmgr,
1490 enum pp_clock_type type, uint32_t mask)
1491 {
1492 switch (type) {
1493 case PP_SCLK:
1494 smum_send_msg_to_smc_with_parameter(hwmgr,
1495 PPSMC_MSG_SetSclkSoftMin,
1496 mask);
1497 smum_send_msg_to_smc_with_parameter(hwmgr,
1498 PPSMC_MSG_SetSclkSoftMax,
1499 mask);
1500 break;
1501 default:
1502 break;
1503 }
1504
1505 return 0;
1506 }
1507
smu8_print_clock_levels(struct pp_hwmgr * hwmgr,enum pp_clock_type type,char * buf)1508 static int smu8_print_clock_levels(struct pp_hwmgr *hwmgr,
1509 enum pp_clock_type type, char *buf)
1510 {
1511 struct smu8_hwmgr *data = hwmgr->backend;
1512 struct phm_clock_voltage_dependency_table *sclk_table =
1513 hwmgr->dyn_state.vddc_dependency_on_sclk;
1514 int i, now, size = 0;
1515
1516 switch (type) {
1517 case PP_SCLK:
1518 now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device,
1519 CGS_IND_REG__SMC,
1520 ixTARGET_AND_CURRENT_PROFILE_INDEX),
1521 TARGET_AND_CURRENT_PROFILE_INDEX,
1522 CURR_SCLK_INDEX);
1523
1524 for (i = 0; i < sclk_table->count; i++)
1525 size += sprintf(buf + size, "%d: %uMhz %s\n",
1526 i, sclk_table->entries[i].clk / 100,
1527 (i == now) ? "*" : "");
1528 break;
1529 case PP_MCLK:
1530 now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device,
1531 CGS_IND_REG__SMC,
1532 ixTARGET_AND_CURRENT_PROFILE_INDEX),
1533 TARGET_AND_CURRENT_PROFILE_INDEX,
1534 CURR_MCLK_INDEX);
1535
1536 for (i = SMU8_NUM_NBPMEMORYCLOCK; i > 0; i--)
1537 size += sprintf(buf + size, "%d: %uMhz %s\n",
1538 SMU8_NUM_NBPMEMORYCLOCK-i, data->sys_info.nbp_memory_clock[i-1] / 100,
1539 (SMU8_NUM_NBPMEMORYCLOCK-i == now) ? "*" : "");
1540 break;
1541 default:
1542 break;
1543 }
1544 return size;
1545 }
1546
smu8_get_performance_level(struct pp_hwmgr * hwmgr,const struct pp_hw_power_state * state,PHM_PerformanceLevelDesignation designation,uint32_t index,PHM_PerformanceLevel * level)1547 static int smu8_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
1548 PHM_PerformanceLevelDesignation designation, uint32_t index,
1549 PHM_PerformanceLevel *level)
1550 {
1551 const struct smu8_power_state *ps;
1552 struct smu8_hwmgr *data;
1553 uint32_t level_index;
1554 uint32_t i;
1555
1556 if (level == NULL || hwmgr == NULL || state == NULL)
1557 return -EINVAL;
1558
1559 data = hwmgr->backend;
1560 ps = cast_const_smu8_power_state(state);
1561
1562 level_index = index > ps->level - 1 ? ps->level - 1 : index;
1563 level->coreClock = ps->levels[level_index].engineClock;
1564
1565 if (designation == PHM_PerformanceLevelDesignation_PowerContainment) {
1566 for (i = 1; i < ps->level; i++) {
1567 if (ps->levels[i].engineClock > data->dce_slow_sclk_threshold) {
1568 level->coreClock = ps->levels[i].engineClock;
1569 break;
1570 }
1571 }
1572 }
1573
1574 if (level_index == 0)
1575 level->memory_clock = data->sys_info.nbp_memory_clock[SMU8_NUM_NBPMEMORYCLOCK - 1];
1576 else
1577 level->memory_clock = data->sys_info.nbp_memory_clock[0];
1578
1579 level->vddc = (smu8_convert_8Bit_index_to_voltage(hwmgr, ps->levels[level_index].vddcIndex) + 2) / 4;
1580 level->nonLocalMemoryFreq = 0;
1581 level->nonLocalMemoryWidth = 0;
1582
1583 return 0;
1584 }
1585
smu8_get_current_shallow_sleep_clocks(struct pp_hwmgr * hwmgr,const struct pp_hw_power_state * state,struct pp_clock_info * clock_info)1586 static int smu8_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr,
1587 const struct pp_hw_power_state *state, struct pp_clock_info *clock_info)
1588 {
1589 const struct smu8_power_state *ps = cast_const_smu8_power_state(state);
1590
1591 clock_info->min_eng_clk = ps->levels[0].engineClock / (1 << (ps->levels[0].ssDividerIndex));
1592 clock_info->max_eng_clk = ps->levels[ps->level - 1].engineClock / (1 << (ps->levels[ps->level - 1].ssDividerIndex));
1593
1594 return 0;
1595 }
1596
smu8_get_clock_by_type(struct pp_hwmgr * hwmgr,enum amd_pp_clock_type type,struct amd_pp_clocks * clocks)1597 static int smu8_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type,
1598 struct amd_pp_clocks *clocks)
1599 {
1600 struct smu8_hwmgr *data = hwmgr->backend;
1601 int i;
1602 struct phm_clock_voltage_dependency_table *table;
1603
1604 clocks->count = smu8_get_max_sclk_level(hwmgr);
1605 switch (type) {
1606 case amd_pp_disp_clock:
1607 for (i = 0; i < clocks->count; i++)
1608 clocks->clock[i] = data->sys_info.display_clock[i] * 10;
1609 break;
1610 case amd_pp_sys_clock:
1611 table = hwmgr->dyn_state.vddc_dependency_on_sclk;
1612 for (i = 0; i < clocks->count; i++)
1613 clocks->clock[i] = table->entries[i].clk * 10;
1614 break;
1615 case amd_pp_mem_clock:
1616 clocks->count = SMU8_NUM_NBPMEMORYCLOCK;
1617 for (i = 0; i < clocks->count; i++)
1618 clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i] * 10;
1619 break;
1620 default:
1621 return -1;
1622 }
1623
1624 return 0;
1625 }
1626
smu8_get_max_high_clocks(struct pp_hwmgr * hwmgr,struct amd_pp_simple_clock_info * clocks)1627 static int smu8_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks)
1628 {
1629 struct phm_clock_voltage_dependency_table *table =
1630 hwmgr->dyn_state.vddc_dependency_on_sclk;
1631 unsigned long level;
1632 const struct phm_clock_and_voltage_limits *limits =
1633 &hwmgr->dyn_state.max_clock_voltage_on_ac;
1634
1635 if ((NULL == table) || (table->count <= 0) || (clocks == NULL))
1636 return -EINVAL;
1637
1638 level = smu8_get_max_sclk_level(hwmgr) - 1;
1639
1640 if (level < table->count)
1641 clocks->engine_max_clock = table->entries[level].clk;
1642 else
1643 clocks->engine_max_clock = table->entries[table->count - 1].clk;
1644
1645 clocks->memory_max_clock = limits->mclk;
1646
1647 return 0;
1648 }
1649
smu8_thermal_get_temperature(struct pp_hwmgr * hwmgr)1650 static int smu8_thermal_get_temperature(struct pp_hwmgr *hwmgr)
1651 {
1652 int actual_temp = 0;
1653 uint32_t val = cgs_read_ind_register(hwmgr->device,
1654 CGS_IND_REG__SMC, ixTHM_TCON_CUR_TMP);
1655 uint32_t temp = PHM_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP);
1656
1657 if (PHM_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP_RANGE_SEL))
1658 actual_temp = ((temp / 8) - 49) * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
1659 else
1660 actual_temp = (temp / 8) * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
1661
1662 return actual_temp;
1663 }
1664
smu8_read_sensor(struct pp_hwmgr * hwmgr,int idx,void * value,int * size)1665 static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx,
1666 void *value, int *size)
1667 {
1668 struct smu8_hwmgr *data = hwmgr->backend;
1669
1670 struct phm_clock_voltage_dependency_table *table =
1671 hwmgr->dyn_state.vddc_dependency_on_sclk;
1672
1673 struct phm_vce_clock_voltage_dependency_table *vce_table =
1674 hwmgr->dyn_state.vce_clock_voltage_dependency_table;
1675
1676 struct phm_uvd_clock_voltage_dependency_table *uvd_table =
1677 hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
1678
1679 uint32_t sclk_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX),
1680 TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX);
1681 uint32_t uvd_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
1682 TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX);
1683 uint32_t vce_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
1684 TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
1685
1686 uint32_t sclk, vclk, dclk, ecclk, tmp, activity_percent;
1687 uint16_t vddnb, vddgfx;
1688 int result;
1689
1690 /* size must be at least 4 bytes for all sensors */
1691 if (*size < 4)
1692 return -EINVAL;
1693 *size = 4;
1694
1695 switch (idx) {
1696 case AMDGPU_PP_SENSOR_GFX_SCLK:
1697 if (sclk_index < NUM_SCLK_LEVELS) {
1698 sclk = table->entries[sclk_index].clk;
1699 *((uint32_t *)value) = sclk;
1700 return 0;
1701 }
1702 return -EINVAL;
1703 case AMDGPU_PP_SENSOR_VDDNB:
1704 tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_NB_CURRENTVID) &
1705 CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
1706 vddnb = smu8_convert_8Bit_index_to_voltage(hwmgr, tmp) / 4;
1707 *((uint32_t *)value) = vddnb;
1708 return 0;
1709 case AMDGPU_PP_SENSOR_VDDGFX:
1710 tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_GFX_CURRENTVID) &
1711 CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
1712 vddgfx = smu8_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp) / 4;
1713 *((uint32_t *)value) = vddgfx;
1714 return 0;
1715 case AMDGPU_PP_SENSOR_UVD_VCLK:
1716 if (!data->uvd_power_gated) {
1717 if (uvd_index >= SMU8_MAX_HARDWARE_POWERLEVELS) {
1718 return -EINVAL;
1719 } else {
1720 vclk = uvd_table->entries[uvd_index].vclk;
1721 *((uint32_t *)value) = vclk;
1722 return 0;
1723 }
1724 }
1725 *((uint32_t *)value) = 0;
1726 return 0;
1727 case AMDGPU_PP_SENSOR_UVD_DCLK:
1728 if (!data->uvd_power_gated) {
1729 if (uvd_index >= SMU8_MAX_HARDWARE_POWERLEVELS) {
1730 return -EINVAL;
1731 } else {
1732 dclk = uvd_table->entries[uvd_index].dclk;
1733 *((uint32_t *)value) = dclk;
1734 return 0;
1735 }
1736 }
1737 *((uint32_t *)value) = 0;
1738 return 0;
1739 case AMDGPU_PP_SENSOR_VCE_ECCLK:
1740 if (!data->vce_power_gated) {
1741 if (vce_index >= SMU8_MAX_HARDWARE_POWERLEVELS) {
1742 return -EINVAL;
1743 } else {
1744 ecclk = vce_table->entries[vce_index].ecclk;
1745 *((uint32_t *)value) = ecclk;
1746 return 0;
1747 }
1748 }
1749 *((uint32_t *)value) = 0;
1750 return 0;
1751 case AMDGPU_PP_SENSOR_GPU_LOAD:
1752 result = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetAverageGraphicsActivity);
1753 if (0 == result) {
1754 activity_percent = cgs_read_register(hwmgr->device, mmSMU_MP1_SRBM2P_ARG_0);
1755 activity_percent = activity_percent > 100 ? 100 : activity_percent;
1756 } else {
1757 activity_percent = 50;
1758 }
1759 *((uint32_t *)value) = activity_percent;
1760 return 0;
1761 case AMDGPU_PP_SENSOR_UVD_POWER:
1762 *((uint32_t *)value) = data->uvd_power_gated ? 0 : 1;
1763 return 0;
1764 case AMDGPU_PP_SENSOR_VCE_POWER:
1765 *((uint32_t *)value) = data->vce_power_gated ? 0 : 1;
1766 return 0;
1767 case AMDGPU_PP_SENSOR_GPU_TEMP:
1768 *((uint32_t *)value) = smu8_thermal_get_temperature(hwmgr);
1769 return 0;
1770 default:
1771 return -EINVAL;
1772 }
1773 }
1774
smu8_notify_cac_buffer_info(struct pp_hwmgr * hwmgr,uint32_t virtual_addr_low,uint32_t virtual_addr_hi,uint32_t mc_addr_low,uint32_t mc_addr_hi,uint32_t size)1775 static int smu8_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
1776 uint32_t virtual_addr_low,
1777 uint32_t virtual_addr_hi,
1778 uint32_t mc_addr_low,
1779 uint32_t mc_addr_hi,
1780 uint32_t size)
1781 {
1782 smum_send_msg_to_smc_with_parameter(hwmgr,
1783 PPSMC_MSG_DramAddrHiVirtual,
1784 mc_addr_hi);
1785 smum_send_msg_to_smc_with_parameter(hwmgr,
1786 PPSMC_MSG_DramAddrLoVirtual,
1787 mc_addr_low);
1788 smum_send_msg_to_smc_with_parameter(hwmgr,
1789 PPSMC_MSG_DramAddrHiPhysical,
1790 virtual_addr_hi);
1791 smum_send_msg_to_smc_with_parameter(hwmgr,
1792 PPSMC_MSG_DramAddrLoPhysical,
1793 virtual_addr_low);
1794
1795 smum_send_msg_to_smc_with_parameter(hwmgr,
1796 PPSMC_MSG_DramBufferSize,
1797 size);
1798 return 0;
1799 }
1800
smu8_get_thermal_temperature_range(struct pp_hwmgr * hwmgr,struct PP_TemperatureRange * thermal_data)1801 static int smu8_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
1802 struct PP_TemperatureRange *thermal_data)
1803 {
1804 struct smu8_hwmgr *data = hwmgr->backend;
1805
1806 memcpy(thermal_data, &SMU7ThermalPolicy[0], sizeof(struct PP_TemperatureRange));
1807
1808 thermal_data->max = (data->thermal_auto_throttling_treshold +
1809 data->sys_info.htc_hyst_lmt) *
1810 PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
1811
1812 return 0;
1813 }
1814
smu8_enable_disable_uvd_dpm(struct pp_hwmgr * hwmgr,bool enable)1815 static int smu8_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
1816 {
1817 struct smu8_hwmgr *data = hwmgr->backend;
1818 uint32_t dpm_features = 0;
1819
1820 if (enable &&
1821 phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
1822 PHM_PlatformCaps_UVDDPM)) {
1823 data->dpm_flags |= DPMFlags_UVD_Enabled;
1824 dpm_features |= UVD_DPM_MASK;
1825 smum_send_msg_to_smc_with_parameter(hwmgr,
1826 PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
1827 } else {
1828 dpm_features |= UVD_DPM_MASK;
1829 data->dpm_flags &= ~DPMFlags_UVD_Enabled;
1830 smum_send_msg_to_smc_with_parameter(hwmgr,
1831 PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
1832 }
1833 return 0;
1834 }
1835
1836 int smu8_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate);
smu8_dpm_update_uvd_dpm(struct pp_hwmgr * hwmgr,bool bgate)1837 int smu8_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
1838 {
1839 struct smu8_hwmgr *data = hwmgr->backend;
1840 struct phm_uvd_clock_voltage_dependency_table *ptable =
1841 hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
1842
1843 if (!bgate) {
1844 /* Stable Pstate is enabled and we need to set the UVD DPM to highest level */
1845 if (PP_CAP(PHM_PlatformCaps_StablePState) ||
1846 hwmgr->en_umd_pstate) {
1847 data->uvd_dpm.hard_min_clk =
1848 ptable->entries[ptable->count - 1].vclk;
1849
1850 smum_send_msg_to_smc_with_parameter(hwmgr,
1851 PPSMC_MSG_SetUvdHardMin,
1852 smu8_get_uvd_level(hwmgr,
1853 data->uvd_dpm.hard_min_clk,
1854 PPSMC_MSG_SetUvdHardMin));
1855
1856 smu8_enable_disable_uvd_dpm(hwmgr, true);
1857 } else {
1858 smu8_enable_disable_uvd_dpm(hwmgr, true);
1859 }
1860 } else {
1861 smu8_enable_disable_uvd_dpm(hwmgr, false);
1862 }
1863
1864 return 0;
1865 }
1866
smu8_enable_disable_vce_dpm(struct pp_hwmgr * hwmgr,bool enable)1867 static int smu8_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
1868 {
1869 struct smu8_hwmgr *data = hwmgr->backend;
1870 uint32_t dpm_features = 0;
1871
1872 if (enable && phm_cap_enabled(
1873 hwmgr->platform_descriptor.platformCaps,
1874 PHM_PlatformCaps_VCEDPM)) {
1875 data->dpm_flags |= DPMFlags_VCE_Enabled;
1876 dpm_features |= VCE_DPM_MASK;
1877 smum_send_msg_to_smc_with_parameter(hwmgr,
1878 PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
1879 } else {
1880 dpm_features |= VCE_DPM_MASK;
1881 data->dpm_flags &= ~DPMFlags_VCE_Enabled;
1882 smum_send_msg_to_smc_with_parameter(hwmgr,
1883 PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
1884 }
1885
1886 return 0;
1887 }
1888
1889
smu8_dpm_powergate_uvd(struct pp_hwmgr * hwmgr,bool bgate)1890 static void smu8_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
1891 {
1892 struct smu8_hwmgr *data = hwmgr->backend;
1893
1894 data->uvd_power_gated = bgate;
1895
1896 if (bgate) {
1897 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
1898 AMD_IP_BLOCK_TYPE_UVD,
1899 AMD_PG_STATE_GATE);
1900 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
1901 AMD_IP_BLOCK_TYPE_UVD,
1902 AMD_CG_STATE_GATE);
1903 smu8_dpm_update_uvd_dpm(hwmgr, true);
1904 smu8_dpm_powerdown_uvd(hwmgr);
1905 } else {
1906 smu8_dpm_powerup_uvd(hwmgr);
1907 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
1908 AMD_IP_BLOCK_TYPE_UVD,
1909 AMD_CG_STATE_UNGATE);
1910 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
1911 AMD_IP_BLOCK_TYPE_UVD,
1912 AMD_PG_STATE_UNGATE);
1913 smu8_dpm_update_uvd_dpm(hwmgr, false);
1914 }
1915
1916 }
1917
smu8_dpm_powergate_vce(struct pp_hwmgr * hwmgr,bool bgate)1918 static void smu8_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
1919 {
1920 struct smu8_hwmgr *data = hwmgr->backend;
1921
1922 if (bgate) {
1923 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
1924 AMD_IP_BLOCK_TYPE_VCE,
1925 AMD_PG_STATE_GATE);
1926 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
1927 AMD_IP_BLOCK_TYPE_VCE,
1928 AMD_CG_STATE_GATE);
1929 smu8_enable_disable_vce_dpm(hwmgr, false);
1930 smu8_dpm_powerdown_vce(hwmgr);
1931 data->vce_power_gated = true;
1932 } else {
1933 smu8_dpm_powerup_vce(hwmgr);
1934 data->vce_power_gated = false;
1935 amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
1936 AMD_IP_BLOCK_TYPE_VCE,
1937 AMD_CG_STATE_UNGATE);
1938 amdgpu_device_ip_set_powergating_state(hwmgr->adev,
1939 AMD_IP_BLOCK_TYPE_VCE,
1940 AMD_PG_STATE_UNGATE);
1941 smu8_dpm_update_vce_dpm(hwmgr);
1942 smu8_enable_disable_vce_dpm(hwmgr, true);
1943 }
1944 }
1945
1946 static const struct pp_hwmgr_func smu8_hwmgr_funcs = {
1947 .backend_init = smu8_hwmgr_backend_init,
1948 .backend_fini = smu8_hwmgr_backend_fini,
1949 .apply_state_adjust_rules = smu8_apply_state_adjust_rules,
1950 .force_dpm_level = smu8_dpm_force_dpm_level,
1951 .get_power_state_size = smu8_get_power_state_size,
1952 .powerdown_uvd = smu8_dpm_powerdown_uvd,
1953 .powergate_uvd = smu8_dpm_powergate_uvd,
1954 .powergate_vce = smu8_dpm_powergate_vce,
1955 .get_mclk = smu8_dpm_get_mclk,
1956 .get_sclk = smu8_dpm_get_sclk,
1957 .patch_boot_state = smu8_dpm_patch_boot_state,
1958 .get_pp_table_entry = smu8_dpm_get_pp_table_entry,
1959 .get_num_of_pp_table_entries = smu8_dpm_get_num_of_pp_table_entries,
1960 .set_cpu_power_state = smu8_set_cpu_power_state,
1961 .store_cc6_data = smu8_store_cc6_data,
1962 .force_clock_level = smu8_force_clock_level,
1963 .print_clock_levels = smu8_print_clock_levels,
1964 .get_dal_power_level = smu8_get_dal_power_level,
1965 .get_performance_level = smu8_get_performance_level,
1966 .get_current_shallow_sleep_clocks = smu8_get_current_shallow_sleep_clocks,
1967 .get_clock_by_type = smu8_get_clock_by_type,
1968 .get_max_high_clocks = smu8_get_max_high_clocks,
1969 .read_sensor = smu8_read_sensor,
1970 .power_off_asic = smu8_power_off_asic,
1971 .asic_setup = smu8_setup_asic_task,
1972 .dynamic_state_management_enable = smu8_enable_dpm_tasks,
1973 .power_state_set = smu8_set_power_state_tasks,
1974 .dynamic_state_management_disable = smu8_disable_dpm_tasks,
1975 .notify_cac_buffer_info = smu8_notify_cac_buffer_info,
1976 .get_thermal_temperature_range = smu8_get_thermal_temperature_range,
1977 };
1978
1979 int smu8_init_function_pointers(struct pp_hwmgr *hwmgr);
smu8_init_function_pointers(struct pp_hwmgr * hwmgr)1980 int smu8_init_function_pointers(struct pp_hwmgr *hwmgr)
1981 {
1982 hwmgr->hwmgr_func = &smu8_hwmgr_funcs;
1983 hwmgr->pptable_func = &pptable_funcs;
1984 return 0;
1985 }
1986