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 
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 
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 
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 
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 
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 
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 
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 */
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 
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 
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 
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 
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 
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 						      &dividers);
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 						      &dividers);
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 						      &dividers);
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 						      &dividers);
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 						      &dividers);
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
1388 static int smu8_get_power_state_size(struct pp_hwmgr *hwmgr)
1389 {
1390 	return sizeof(struct smu8_power_state);
1391 }
1392 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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);
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 
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 
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 
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);
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