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
49static const unsigned long smu8_magic = (unsigned long) PHM_Cz_Magic;
50
51static 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
59static 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
68static 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
99static 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
129static 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
160static 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,
166				PPSMC_MSG_GetMaxSclkLevel,
167				&data->max_sclk_level);
168		data->max_sclk_level += 1;
169	}
170
171	return data->max_sclk_level;
172}
173
174static int smu8_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)
175{
176	struct smu8_hwmgr *data = hwmgr->backend;
177	struct amdgpu_device *adev = hwmgr->adev;
178
179	data->gfx_ramp_step = 256*25/100;
180	data->gfx_ramp_delay = 1; /* by default, we delay 1us */
181
182	data->mgcg_cgtt_local0 = 0x00000000;
183	data->mgcg_cgtt_local1 = 0x00000000;
184	data->clock_slow_down_freq = 25000;
185	data->skip_clock_slow_down = 1;
186	data->enable_nb_ps_policy = 1; /* disable until UNB is ready, Enabled */
187	data->voltage_drop_in_dce_power_gating = 0; /* disable until fully verified */
188	data->voting_rights_clients = 0x00C00033;
189	data->static_screen_threshold = 8;
190	data->ddi_power_gating_disabled = 0;
191	data->bapm_enabled = 1;
192	data->voltage_drop_threshold = 0;
193	data->gfx_power_gating_threshold = 500;
194	data->vce_slow_sclk_threshold = 20000;
195	data->dce_slow_sclk_threshold = 30000;
196	data->disable_driver_thermal_policy = 1;
197	data->disable_nb_ps3_in_battery = 0;
198
199	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
200							PHM_PlatformCaps_ABM);
201
202	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
203				    PHM_PlatformCaps_NonABMSupportInPPLib);
204
205	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
206					PHM_PlatformCaps_DynamicM3Arbiter);
207
208	data->override_dynamic_mgpg = 1;
209
210	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
211				  PHM_PlatformCaps_DynamicPatchPowerState);
212
213	data->thermal_auto_throttling_treshold = 0;
214	data->tdr_clock = 0;
215	data->disable_gfx_power_gating_in_uvd = 0;
216
217	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
218					PHM_PlatformCaps_DynamicUVDState);
219
220	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
221			PHM_PlatformCaps_UVDDPM);
222	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
223			PHM_PlatformCaps_VCEDPM);
224
225	data->cc6_settings.cpu_cc6_disable = false;
226	data->cc6_settings.cpu_pstate_disable = false;
227	data->cc6_settings.nb_pstate_switch_disable = false;
228	data->cc6_settings.cpu_pstate_separation_time = 0;
229
230	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
231				   PHM_PlatformCaps_DisableVoltageIsland);
232
233	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
234		      PHM_PlatformCaps_UVDPowerGating);
235	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
236		      PHM_PlatformCaps_VCEPowerGating);
237
238	if (adev->pg_flags & AMD_PG_SUPPORT_UVD)
239		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
240			      PHM_PlatformCaps_UVDPowerGating);
241	if (adev->pg_flags & AMD_PG_SUPPORT_VCE)
242		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
243			      PHM_PlatformCaps_VCEPowerGating);
244
245
246	return 0;
247}
248
249/* convert form 8bit vid to real voltage in mV*4 */
250static uint32_t smu8_convert_8Bit_index_to_voltage(
251			struct pp_hwmgr *hwmgr, uint16_t voltage)
252{
253	return 6200 - (voltage * 25);
254}
255
256static int smu8_construct_max_power_limits_table(struct pp_hwmgr *hwmgr,
257			struct phm_clock_and_voltage_limits *table)
258{
259	struct smu8_hwmgr *data = hwmgr->backend;
260	struct smu8_sys_info *sys_info = &data->sys_info;
261	struct phm_clock_voltage_dependency_table *dep_table =
262				hwmgr->dyn_state.vddc_dependency_on_sclk;
263
264	if (dep_table->count > 0) {
265		table->sclk = dep_table->entries[dep_table->count-1].clk;
266		table->vddc = smu8_convert_8Bit_index_to_voltage(hwmgr,
267		   (uint16_t)dep_table->entries[dep_table->count-1].v);
268	}
269	table->mclk = sys_info->nbp_memory_clock[0];
270	return 0;
271}
272
273static int smu8_init_dynamic_state_adjustment_rule_settings(
274			struct pp_hwmgr *hwmgr,
275			ATOM_CLK_VOLT_CAPABILITY *disp_voltage_table)
276{
277	struct phm_clock_voltage_dependency_table *table_clk_vlt;
278
279	table_clk_vlt = kzalloc(struct_size(table_clk_vlt, entries, 8),
280				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
309static 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
413static 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
435static 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
554static 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
580static 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;
586	uint32_t level;
587
588	if (NULL == table || table->count <= 0)
589		return -EINVAL;
590
591	data->uvd_dpm.soft_min_clk = 0;
592	data->uvd_dpm.hard_min_clk = 0;
593
594	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level);
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
607static 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;
613	uint32_t level;
614
615	if (NULL == table || table->count <= 0)
616		return -EINVAL;
617
618	data->vce_dpm.soft_min_clk = 0;
619	data->vce_dpm.hard_min_clk = 0;
620
621	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level);
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
634static 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;
640	uint32_t level;
641
642	if (NULL == table || table->count <= 0)
643		return -EINVAL;
644
645	data->acp_dpm.soft_min_clk = 0;
646	data->acp_dpm.hard_min_clk = 0;
647
648	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level);
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
660static 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#ifdef CONFIG_DRM_AMD_ACP
668	data->acp_power_gated = false;
669#else
670	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF, NULL);
671	data->acp_power_gated = true;
672#endif
673
674}
675
676static void smu8_init_sclk_threshold(struct pp_hwmgr *hwmgr)
677{
678	struct smu8_hwmgr *data = hwmgr->backend;
679
680	data->low_sclk_interrupt_threshold = 0;
681}
682
683static int smu8_update_sclk_limit(struct pp_hwmgr *hwmgr)
684{
685	struct smu8_hwmgr *data = hwmgr->backend;
686	struct phm_clock_voltage_dependency_table *table =
687					hwmgr->dyn_state.vddc_dependency_on_sclk;
688
689	unsigned long clock = 0;
690	unsigned long level;
691	unsigned long stable_pstate_sclk;
692	unsigned long percentage;
693
694	data->sclk_dpm.soft_min_clk = table->entries[0].clk;
695	level = smu8_get_max_sclk_level(hwmgr) - 1;
696
697	if (level < table->count)
698		data->sclk_dpm.soft_max_clk  = table->entries[level].clk;
699	else
700		data->sclk_dpm.soft_max_clk  = table->entries[table->count - 1].clk;
701
702	clock = hwmgr->display_config->min_core_set_clock;
703	if (clock == 0)
704		pr_debug("min_core_set_clock not set\n");
705
706	if (data->sclk_dpm.hard_min_clk != clock) {
707		data->sclk_dpm.hard_min_clk = clock;
708
709		smum_send_msg_to_smc_with_parameter(hwmgr,
710						PPSMC_MSG_SetSclkHardMin,
711						 smu8_get_sclk_level(hwmgr,
712					data->sclk_dpm.hard_min_clk,
713					     PPSMC_MSG_SetSclkHardMin),
714						 NULL);
715	}
716
717	clock = data->sclk_dpm.soft_min_clk;
718
719	/* update minimum clocks for Stable P-State feature */
720	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
721				     PHM_PlatformCaps_StablePState)) {
722		percentage = 75;
723		/*Sclk - calculate sclk value based on percentage and find FLOOR sclk from VddcDependencyOnSCLK table  */
724		stable_pstate_sclk = (hwmgr->dyn_state.max_clock_voltage_on_ac.mclk *
725					percentage) / 100;
726
727		if (clock < stable_pstate_sclk)
728			clock = stable_pstate_sclk;
729	}
730
731	if (data->sclk_dpm.soft_min_clk != clock) {
732		data->sclk_dpm.soft_min_clk = clock;
733		smum_send_msg_to_smc_with_parameter(hwmgr,
734						PPSMC_MSG_SetSclkSoftMin,
735						smu8_get_sclk_level(hwmgr,
736					data->sclk_dpm.soft_min_clk,
737					     PPSMC_MSG_SetSclkSoftMin),
738						NULL);
739	}
740
741	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
742				    PHM_PlatformCaps_StablePState) &&
743			 data->sclk_dpm.soft_max_clk != clock) {
744		data->sclk_dpm.soft_max_clk = clock;
745		smum_send_msg_to_smc_with_parameter(hwmgr,
746						PPSMC_MSG_SetSclkSoftMax,
747						smu8_get_sclk_level(hwmgr,
748					data->sclk_dpm.soft_max_clk,
749					PPSMC_MSG_SetSclkSoftMax),
750						NULL);
751	}
752
753	return 0;
754}
755
756static int smu8_set_deep_sleep_sclk_threshold(struct pp_hwmgr *hwmgr)
757{
758	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
759				PHM_PlatformCaps_SclkDeepSleep)) {
760		uint32_t clks = hwmgr->display_config->min_core_set_clock_in_sr;
761		if (clks == 0)
762			clks = SMU8_MIN_DEEP_SLEEP_SCLK;
763
764		PP_DBG_LOG("Setting Deep Sleep Clock: %d\n", clks);
765
766		smum_send_msg_to_smc_with_parameter(hwmgr,
767				PPSMC_MSG_SetMinDeepSleepSclk,
768				clks,
769				NULL);
770	}
771
772	return 0;
773}
774
775static int smu8_set_watermark_threshold(struct pp_hwmgr *hwmgr)
776{
777	struct smu8_hwmgr *data =
778				  hwmgr->backend;
779
780	smum_send_msg_to_smc_with_parameter(hwmgr,
781					PPSMC_MSG_SetWatermarkFrequency,
782					data->sclk_dpm.soft_max_clk,
783					NULL);
784
785	return 0;
786}
787
788static int smu8_nbdpm_pstate_enable_disable(struct pp_hwmgr *hwmgr, bool enable, bool lock)
789{
790	struct smu8_hwmgr *hw_data = hwmgr->backend;
791
792	if (hw_data->is_nb_dpm_enabled) {
793		if (enable) {
794			PP_DBG_LOG("enable Low Memory PState.\n");
795
796			return smum_send_msg_to_smc_with_parameter(hwmgr,
797						PPSMC_MSG_EnableLowMemoryPstate,
798						(lock ? 1 : 0),
799						NULL);
800		} else {
801			PP_DBG_LOG("disable Low Memory PState.\n");
802
803			return smum_send_msg_to_smc_with_parameter(hwmgr,
804						PPSMC_MSG_DisableLowMemoryPstate,
805						(lock ? 1 : 0),
806						NULL);
807		}
808	}
809
810	return 0;
811}
812
813static int smu8_disable_nb_dpm(struct pp_hwmgr *hwmgr)
814{
815	int ret = 0;
816
817	struct smu8_hwmgr *data = hwmgr->backend;
818	unsigned long dpm_features = 0;
819
820	if (data->is_nb_dpm_enabled) {
821		smu8_nbdpm_pstate_enable_disable(hwmgr, true, true);
822		dpm_features |= NB_DPM_MASK;
823		ret = smum_send_msg_to_smc_with_parameter(
824							  hwmgr,
825							  PPSMC_MSG_DisableAllSmuFeatures,
826							  dpm_features,
827							  NULL);
828		if (ret == 0)
829			data->is_nb_dpm_enabled = false;
830	}
831
832	return ret;
833}
834
835static int smu8_enable_nb_dpm(struct pp_hwmgr *hwmgr)
836{
837	int ret = 0;
838
839	struct smu8_hwmgr *data = hwmgr->backend;
840	unsigned long dpm_features = 0;
841
842	if (!data->is_nb_dpm_enabled) {
843		PP_DBG_LOG("enabling ALL SMU features.\n");
844		dpm_features |= NB_DPM_MASK;
845		ret = smum_send_msg_to_smc_with_parameter(
846							  hwmgr,
847							  PPSMC_MSG_EnableAllSmuFeatures,
848							  dpm_features,
849							  NULL);
850		if (ret == 0)
851			data->is_nb_dpm_enabled = true;
852	}
853
854	return ret;
855}
856
857static int smu8_update_low_mem_pstate(struct pp_hwmgr *hwmgr, const void *input)
858{
859	bool disable_switch;
860	bool enable_low_mem_state;
861	struct smu8_hwmgr *hw_data = hwmgr->backend;
862	const struct phm_set_power_state_input *states = (struct phm_set_power_state_input *)input;
863	const struct smu8_power_state *pnew_state = cast_const_smu8_power_state(states->pnew_state);
864
865	if (hw_data->sys_info.nb_dpm_enable) {
866		disable_switch = hw_data->cc6_settings.nb_pstate_switch_disable ? true : false;
867		enable_low_mem_state = hw_data->cc6_settings.nb_pstate_switch_disable ? false : true;
868
869		if (pnew_state->action == FORCE_HIGH)
870			smu8_nbdpm_pstate_enable_disable(hwmgr, false, disable_switch);
871		else if (pnew_state->action == CANCEL_FORCE_HIGH)
872			smu8_nbdpm_pstate_enable_disable(hwmgr, true, disable_switch);
873		else
874			smu8_nbdpm_pstate_enable_disable(hwmgr, enable_low_mem_state, disable_switch);
875	}
876	return 0;
877}
878
879static int smu8_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
880{
881	int ret = 0;
882
883	smu8_update_sclk_limit(hwmgr);
884	smu8_set_deep_sleep_sclk_threshold(hwmgr);
885	smu8_set_watermark_threshold(hwmgr);
886	ret = smu8_enable_nb_dpm(hwmgr);
887	if (ret)
888		return ret;
889	smu8_update_low_mem_pstate(hwmgr, input);
890
891	return 0;
892}
893
894
895static int smu8_setup_asic_task(struct pp_hwmgr *hwmgr)
896{
897	int ret;
898
899	ret = smu8_upload_pptable_to_smu(hwmgr);
900	if (ret)
901		return ret;
902	ret = smu8_init_sclk_limit(hwmgr);
903	if (ret)
904		return ret;
905	ret = smu8_init_uvd_limit(hwmgr);
906	if (ret)
907		return ret;
908	ret = smu8_init_vce_limit(hwmgr);
909	if (ret)
910		return ret;
911	ret = smu8_init_acp_limit(hwmgr);
912	if (ret)
913		return ret;
914
915	smu8_init_power_gate_state(hwmgr);
916	smu8_init_sclk_threshold(hwmgr);
917
918	return 0;
919}
920
921static void smu8_power_up_display_clock_sys_pll(struct pp_hwmgr *hwmgr)
922{
923	struct smu8_hwmgr *hw_data = hwmgr->backend;
924
925	hw_data->disp_clk_bypass_pending = false;
926	hw_data->disp_clk_bypass = false;
927}
928
929static void smu8_clear_nb_dpm_flag(struct pp_hwmgr *hwmgr)
930{
931	struct smu8_hwmgr *hw_data = hwmgr->backend;
932
933	hw_data->is_nb_dpm_enabled = false;
934}
935
936static void smu8_reset_cc6_data(struct pp_hwmgr *hwmgr)
937{
938	struct smu8_hwmgr *hw_data = hwmgr->backend;
939
940	hw_data->cc6_settings.cc6_setting_changed = false;
941	hw_data->cc6_settings.cpu_pstate_separation_time = 0;
942	hw_data->cc6_settings.cpu_cc6_disable = false;
943	hw_data->cc6_settings.cpu_pstate_disable = false;
944}
945
946static void smu8_program_voting_clients(struct pp_hwmgr *hwmgr)
947{
948	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
949				ixCG_FREQ_TRAN_VOTING_0,
950				SMU8_VOTINGRIGHTSCLIENTS_DFLT0);
951}
952
953static void smu8_clear_voting_clients(struct pp_hwmgr *hwmgr)
954{
955	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
956				ixCG_FREQ_TRAN_VOTING_0, 0);
957}
958
959static int smu8_start_dpm(struct pp_hwmgr *hwmgr)
960{
961	struct smu8_hwmgr *data = hwmgr->backend;
962
963	data->dpm_flags |= DPMFlags_SCLK_Enabled;
964
965	return smum_send_msg_to_smc_with_parameter(hwmgr,
966				PPSMC_MSG_EnableAllSmuFeatures,
967				SCLK_DPM_MASK,
968				NULL);
969}
970
971static int smu8_stop_dpm(struct pp_hwmgr *hwmgr)
972{
973	int ret = 0;
974	struct smu8_hwmgr *data = hwmgr->backend;
975	unsigned long dpm_features = 0;
976
977	if (data->dpm_flags & DPMFlags_SCLK_Enabled) {
978		dpm_features |= SCLK_DPM_MASK;
979		data->dpm_flags &= ~DPMFlags_SCLK_Enabled;
980		ret = smum_send_msg_to_smc_with_parameter(hwmgr,
981					PPSMC_MSG_DisableAllSmuFeatures,
982					dpm_features,
983					NULL);
984	}
985	return ret;
986}
987
988static int smu8_program_bootup_state(struct pp_hwmgr *hwmgr)
989{
990	struct smu8_hwmgr *data = hwmgr->backend;
991
992	data->sclk_dpm.soft_min_clk = data->sys_info.bootup_engine_clock;
993	data->sclk_dpm.soft_max_clk = data->sys_info.bootup_engine_clock;
994
995	smum_send_msg_to_smc_with_parameter(hwmgr,
996				PPSMC_MSG_SetSclkSoftMin,
997				smu8_get_sclk_level(hwmgr,
998				data->sclk_dpm.soft_min_clk,
999				PPSMC_MSG_SetSclkSoftMin),
1000				NULL);
1001
1002	smum_send_msg_to_smc_with_parameter(hwmgr,
1003				PPSMC_MSG_SetSclkSoftMax,
1004				smu8_get_sclk_level(hwmgr,
1005				data->sclk_dpm.soft_max_clk,
1006				PPSMC_MSG_SetSclkSoftMax),
1007				NULL);
1008
1009	return 0;
1010}
1011
1012static void smu8_reset_acp_boot_level(struct pp_hwmgr *hwmgr)
1013{
1014	struct smu8_hwmgr *data = hwmgr->backend;
1015
1016	data->acp_boot_level = 0xff;
1017}
1018
1019static void smu8_populate_umdpstate_clocks(struct pp_hwmgr *hwmgr)
1020{
1021	struct phm_clock_voltage_dependency_table *table =
1022				hwmgr->dyn_state.vddc_dependency_on_sclk;
1023
1024	hwmgr->pstate_sclk = table->entries[0].clk / 100;
1025	hwmgr->pstate_mclk = 0;
1026
1027	hwmgr->pstate_sclk_peak = table->entries[table->count - 1].clk / 100;
1028	hwmgr->pstate_mclk_peak = 0;
1029}
1030
1031static int smu8_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
1032{
1033	smu8_program_voting_clients(hwmgr);
1034	if (smu8_start_dpm(hwmgr))
1035		return -EINVAL;
1036	smu8_program_bootup_state(hwmgr);
1037	smu8_reset_acp_boot_level(hwmgr);
1038
1039	smu8_populate_umdpstate_clocks(hwmgr);
1040
1041	return 0;
1042}
1043
1044static int smu8_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
1045{
1046	smu8_disable_nb_dpm(hwmgr);
1047
1048	smu8_clear_voting_clients(hwmgr);
1049	if (smu8_stop_dpm(hwmgr))
1050		return -EINVAL;
1051
1052	return 0;
1053}
1054
1055static int smu8_power_off_asic(struct pp_hwmgr *hwmgr)
1056{
1057	smu8_disable_dpm_tasks(hwmgr);
1058	smu8_power_up_display_clock_sys_pll(hwmgr);
1059	smu8_clear_nb_dpm_flag(hwmgr);
1060	smu8_reset_cc6_data(hwmgr);
1061	return 0;
1062}
1063
1064static int smu8_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
1065				struct pp_power_state  *prequest_ps,
1066			const struct pp_power_state *pcurrent_ps)
1067{
1068	struct smu8_power_state *smu8_ps =
1069				cast_smu8_power_state(&prequest_ps->hardware);
1070
1071	const struct smu8_power_state *smu8_current_ps =
1072				cast_const_smu8_power_state(&pcurrent_ps->hardware);
1073
1074	struct smu8_hwmgr *data = hwmgr->backend;
1075	struct PP_Clocks clocks = {0, 0, 0, 0};
1076	bool force_high;
1077
1078	smu8_ps->need_dfs_bypass = true;
1079
1080	data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label);
1081
1082	clocks.memoryClock = hwmgr->display_config->min_mem_set_clock != 0 ?
1083				hwmgr->display_config->min_mem_set_clock :
1084				data->sys_info.nbp_memory_clock[1];
1085
1086
1087	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState))
1088		clocks.memoryClock = hwmgr->dyn_state.max_clock_voltage_on_ac.mclk;
1089
1090	force_high = (clocks.memoryClock > data->sys_info.nbp_memory_clock[SMU8_NUM_NBPMEMORYCLOCK - 1])
1091			|| (hwmgr->display_config->num_display >= 3);
1092
1093	smu8_ps->action = smu8_current_ps->action;
1094
1095	if (hwmgr->request_dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
1096		smu8_nbdpm_pstate_enable_disable(hwmgr, false, false);
1097	else if (hwmgr->request_dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD)
1098		smu8_nbdpm_pstate_enable_disable(hwmgr, false, true);
1099	else if (!force_high && (smu8_ps->action == FORCE_HIGH))
1100		smu8_ps->action = CANCEL_FORCE_HIGH;
1101	else if (force_high && (smu8_ps->action != FORCE_HIGH))
1102		smu8_ps->action = FORCE_HIGH;
1103	else
1104		smu8_ps->action = DO_NOTHING;
1105
1106	return 0;
1107}
1108
1109static int smu8_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
1110{
1111	int result = 0;
1112	struct smu8_hwmgr *data;
1113
1114	data = kzalloc(sizeof(struct smu8_hwmgr), GFP_KERNEL);
1115	if (data == NULL)
1116		return -ENOMEM;
1117
1118	hwmgr->backend = data;
1119
1120	result = smu8_initialize_dpm_defaults(hwmgr);
1121	if (result != 0) {
1122		pr_err("smu8_initialize_dpm_defaults failed\n");
1123		return result;
1124	}
1125
1126	result = smu8_get_system_info_data(hwmgr);
1127	if (result != 0) {
1128		pr_err("smu8_get_system_info_data failed\n");
1129		return result;
1130	}
1131
1132	smu8_construct_boot_state(hwmgr);
1133
1134	hwmgr->platform_descriptor.hardwareActivityPerformanceLevels =  SMU8_MAX_HARDWARE_POWERLEVELS;
1135
1136	return result;
1137}
1138
1139static int smu8_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
1140{
1141	if (hwmgr != NULL) {
1142		kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
1143		hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL;
1144
1145		kfree(hwmgr->backend);
1146		hwmgr->backend = NULL;
1147	}
1148	return 0;
1149}
1150
1151static int smu8_phm_force_dpm_highest(struct pp_hwmgr *hwmgr)
1152{
1153	struct smu8_hwmgr *data = hwmgr->backend;
1154
1155	smum_send_msg_to_smc_with_parameter(hwmgr,
1156					PPSMC_MSG_SetSclkSoftMin,
1157					smu8_get_sclk_level(hwmgr,
1158					data->sclk_dpm.soft_max_clk,
1159					PPSMC_MSG_SetSclkSoftMin),
1160					NULL);
1161
1162	smum_send_msg_to_smc_with_parameter(hwmgr,
1163				PPSMC_MSG_SetSclkSoftMax,
1164				smu8_get_sclk_level(hwmgr,
1165				data->sclk_dpm.soft_max_clk,
1166				PPSMC_MSG_SetSclkSoftMax),
1167				NULL);
1168
1169	return 0;
1170}
1171
1172static int smu8_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
1173{
1174	struct smu8_hwmgr *data = hwmgr->backend;
1175	struct phm_clock_voltage_dependency_table *table =
1176				hwmgr->dyn_state.vddc_dependency_on_sclk;
1177	unsigned long clock = 0, level;
1178
1179	if (NULL == table || table->count <= 0)
1180		return -EINVAL;
1181
1182	data->sclk_dpm.soft_min_clk = table->entries[0].clk;
1183	data->sclk_dpm.hard_min_clk = table->entries[0].clk;
1184
1185	level = smu8_get_max_sclk_level(hwmgr) - 1;
1186
1187	if (level < table->count)
1188		clock = table->entries[level].clk;
1189	else
1190		clock = table->entries[table->count - 1].clk;
1191
1192	data->sclk_dpm.soft_max_clk = clock;
1193	data->sclk_dpm.hard_max_clk = clock;
1194
1195	smum_send_msg_to_smc_with_parameter(hwmgr,
1196				PPSMC_MSG_SetSclkSoftMin,
1197				smu8_get_sclk_level(hwmgr,
1198				data->sclk_dpm.soft_min_clk,
1199				PPSMC_MSG_SetSclkSoftMin),
1200				NULL);
1201
1202	smum_send_msg_to_smc_with_parameter(hwmgr,
1203				PPSMC_MSG_SetSclkSoftMax,
1204				smu8_get_sclk_level(hwmgr,
1205				data->sclk_dpm.soft_max_clk,
1206				PPSMC_MSG_SetSclkSoftMax),
1207				NULL);
1208
1209	return 0;
1210}
1211
1212static int smu8_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr)
1213{
1214	struct smu8_hwmgr *data = hwmgr->backend;
1215
1216	smum_send_msg_to_smc_with_parameter(hwmgr,
1217			PPSMC_MSG_SetSclkSoftMax,
1218			smu8_get_sclk_level(hwmgr,
1219			data->sclk_dpm.soft_min_clk,
1220			PPSMC_MSG_SetSclkSoftMax),
1221			NULL);
1222
1223	smum_send_msg_to_smc_with_parameter(hwmgr,
1224				PPSMC_MSG_SetSclkSoftMin,
1225				smu8_get_sclk_level(hwmgr,
1226				data->sclk_dpm.soft_min_clk,
1227				PPSMC_MSG_SetSclkSoftMin),
1228				NULL);
1229
1230	return 0;
1231}
1232
1233static int smu8_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
1234				enum amd_dpm_forced_level level)
1235{
1236	int ret = 0;
1237
1238	switch (level) {
1239	case AMD_DPM_FORCED_LEVEL_HIGH:
1240	case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
1241		ret = smu8_phm_force_dpm_highest(hwmgr);
1242		break;
1243	case AMD_DPM_FORCED_LEVEL_LOW:
1244	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
1245	case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
1246		ret = smu8_phm_force_dpm_lowest(hwmgr);
1247		break;
1248	case AMD_DPM_FORCED_LEVEL_AUTO:
1249		ret = smu8_phm_unforce_dpm_levels(hwmgr);
1250		break;
1251	case AMD_DPM_FORCED_LEVEL_MANUAL:
1252	case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
1253	default:
1254		break;
1255	}
1256
1257	return ret;
1258}
1259
1260static int smu8_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr)
1261{
1262	if (PP_CAP(PHM_PlatformCaps_UVDPowerGating))
1263		return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UVDPowerOFF, NULL);
1264	return 0;
1265}
1266
1267static int smu8_dpm_powerup_uvd(struct pp_hwmgr *hwmgr)
1268{
1269	if (PP_CAP(PHM_PlatformCaps_UVDPowerGating)) {
1270		return smum_send_msg_to_smc_with_parameter(
1271			hwmgr,
1272			PPSMC_MSG_UVDPowerON,
1273			PP_CAP(PHM_PlatformCaps_UVDDynamicPowerGating) ? 1 : 0,
1274			NULL);
1275	}
1276
1277	return 0;
1278}
1279
1280static int  smu8_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr)
1281{
1282	struct smu8_hwmgr *data = hwmgr->backend;
1283	struct phm_vce_clock_voltage_dependency_table *ptable =
1284		hwmgr->dyn_state.vce_clock_voltage_dependency_table;
1285
1286	/* Stable Pstate is enabled and we need to set the VCE DPM to highest level */
1287	if (PP_CAP(PHM_PlatformCaps_StablePState) ||
1288	    hwmgr->en_umd_pstate) {
1289		data->vce_dpm.hard_min_clk =
1290				  ptable->entries[ptable->count - 1].ecclk;
1291
1292		smum_send_msg_to_smc_with_parameter(hwmgr,
1293			PPSMC_MSG_SetEclkHardMin,
1294			smu8_get_eclk_level(hwmgr,
1295				data->vce_dpm.hard_min_clk,
1296				PPSMC_MSG_SetEclkHardMin),
1297			NULL);
1298	} else {
1299
1300		smum_send_msg_to_smc_with_parameter(hwmgr,
1301					PPSMC_MSG_SetEclkHardMin,
1302					0,
1303					NULL);
1304		/* disable ECLK DPM 0. Otherwise VCE could hang if
1305		 * switching SCLK from DPM 0 to 6/7 */
1306		smum_send_msg_to_smc_with_parameter(hwmgr,
1307					PPSMC_MSG_SetEclkSoftMin,
1308					1,
1309					NULL);
1310	}
1311	return 0;
1312}
1313
1314static int smu8_dpm_powerdown_vce(struct pp_hwmgr *hwmgr)
1315{
1316	if (PP_CAP(PHM_PlatformCaps_VCEPowerGating))
1317		return smum_send_msg_to_smc(hwmgr,
1318					    PPSMC_MSG_VCEPowerOFF,
1319					    NULL);
1320	return 0;
1321}
1322
1323static int smu8_dpm_powerup_vce(struct pp_hwmgr *hwmgr)
1324{
1325	if (PP_CAP(PHM_PlatformCaps_VCEPowerGating))
1326		return smum_send_msg_to_smc(hwmgr,
1327					    PPSMC_MSG_VCEPowerON,
1328					    NULL);
1329	return 0;
1330}
1331
1332static uint32_t smu8_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
1333{
1334	struct smu8_hwmgr *data = hwmgr->backend;
1335
1336	return data->sys_info.bootup_uma_clock;
1337}
1338
1339static uint32_t smu8_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
1340{
1341	struct pp_power_state  *ps;
1342	struct smu8_power_state  *smu8_ps;
1343
1344	if (hwmgr == NULL)
1345		return -EINVAL;
1346
1347	ps = hwmgr->request_ps;
1348
1349	if (ps == NULL)
1350		return -EINVAL;
1351
1352	smu8_ps = cast_smu8_power_state(&ps->hardware);
1353
1354	if (low)
1355		return smu8_ps->levels[0].engineClock;
1356	else
1357		return smu8_ps->levels[smu8_ps->level-1].engineClock;
1358}
1359
1360static int smu8_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
1361					struct pp_hw_power_state *hw_ps)
1362{
1363	struct smu8_hwmgr *data = hwmgr->backend;
1364	struct smu8_power_state *smu8_ps = cast_smu8_power_state(hw_ps);
1365
1366	smu8_ps->level = 1;
1367	smu8_ps->nbps_flags = 0;
1368	smu8_ps->bapm_flags = 0;
1369	smu8_ps->levels[0] = data->boot_power_level;
1370
1371	return 0;
1372}
1373
1374static int smu8_dpm_get_pp_table_entry_callback(
1375						     struct pp_hwmgr *hwmgr,
1376					   struct pp_hw_power_state *hw_ps,
1377							  unsigned int index,
1378						     const void *clock_info)
1379{
1380	struct smu8_power_state *smu8_ps = cast_smu8_power_state(hw_ps);
1381
1382	const ATOM_PPLIB_CZ_CLOCK_INFO *smu8_clock_info = clock_info;
1383
1384	struct phm_clock_voltage_dependency_table *table =
1385				    hwmgr->dyn_state.vddc_dependency_on_sclk;
1386	uint8_t clock_info_index = smu8_clock_info->index;
1387
1388	if (clock_info_index > (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1))
1389		clock_info_index = (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1);
1390
1391	smu8_ps->levels[index].engineClock = table->entries[clock_info_index].clk;
1392	smu8_ps->levels[index].vddcIndex = (uint8_t)table->entries[clock_info_index].v;
1393
1394	smu8_ps->level = index + 1;
1395
1396	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
1397		smu8_ps->levels[index].dsDividerIndex = 5;
1398		smu8_ps->levels[index].ssDividerIndex = 5;
1399	}
1400
1401	return 0;
1402}
1403
1404static int smu8_dpm_get_num_of_pp_table_entries(struct pp_hwmgr *hwmgr)
1405{
1406	int result;
1407	unsigned long ret = 0;
1408
1409	result = pp_tables_get_num_of_entries(hwmgr, &ret);
1410
1411	return result ? 0 : ret;
1412}
1413
1414static int smu8_dpm_get_pp_table_entry(struct pp_hwmgr *hwmgr,
1415		    unsigned long entry, struct pp_power_state *ps)
1416{
1417	int result;
1418	struct smu8_power_state *smu8_ps;
1419
1420	ps->hardware.magic = smu8_magic;
1421
1422	smu8_ps = cast_smu8_power_state(&(ps->hardware));
1423
1424	result = pp_tables_get_entry(hwmgr, entry, ps,
1425			smu8_dpm_get_pp_table_entry_callback);
1426
1427	smu8_ps->uvd_clocks.vclk = ps->uvd_clocks.VCLK;
1428	smu8_ps->uvd_clocks.dclk = ps->uvd_clocks.DCLK;
1429
1430	return result;
1431}
1432
1433static int smu8_get_power_state_size(struct pp_hwmgr *hwmgr)
1434{
1435	return sizeof(struct smu8_power_state);
1436}
1437
1438static void smu8_hw_print_display_cfg(
1439	const struct cc6_settings *cc6_settings)
1440{
1441	PP_DBG_LOG("New Display Configuration:\n");
1442
1443	PP_DBG_LOG("   cpu_cc6_disable: %d\n",
1444			cc6_settings->cpu_cc6_disable);
1445	PP_DBG_LOG("   cpu_pstate_disable: %d\n",
1446			cc6_settings->cpu_pstate_disable);
1447	PP_DBG_LOG("   nb_pstate_switch_disable: %d\n",
1448			cc6_settings->nb_pstate_switch_disable);
1449	PP_DBG_LOG("   cpu_pstate_separation_time: %d\n\n",
1450			cc6_settings->cpu_pstate_separation_time);
1451}
1452
1453 static int smu8_set_cpu_power_state(struct pp_hwmgr *hwmgr)
1454{
1455	struct smu8_hwmgr *hw_data = hwmgr->backend;
1456	uint32_t data = 0;
1457
1458	if (hw_data->cc6_settings.cc6_setting_changed) {
1459
1460		hw_data->cc6_settings.cc6_setting_changed = false;
1461
1462		smu8_hw_print_display_cfg(&hw_data->cc6_settings);
1463
1464		data |= (hw_data->cc6_settings.cpu_pstate_separation_time
1465			& PWRMGT_SEPARATION_TIME_MASK)
1466			<< PWRMGT_SEPARATION_TIME_SHIFT;
1467
1468		data |= (hw_data->cc6_settings.cpu_cc6_disable ? 0x1 : 0x0)
1469			<< PWRMGT_DISABLE_CPU_CSTATES_SHIFT;
1470
1471		data |= (hw_data->cc6_settings.cpu_pstate_disable ? 0x1 : 0x0)
1472			<< PWRMGT_DISABLE_CPU_PSTATES_SHIFT;
1473
1474		PP_DBG_LOG("SetDisplaySizePowerParams data: 0x%X\n",
1475			data);
1476
1477		smum_send_msg_to_smc_with_parameter(hwmgr,
1478						PPSMC_MSG_SetDisplaySizePowerParams,
1479						data,
1480						NULL);
1481	}
1482
1483	return 0;
1484}
1485
1486
1487static int smu8_store_cc6_data(struct pp_hwmgr *hwmgr, uint32_t separation_time,
1488			bool cc6_disable, bool pstate_disable, bool pstate_switch_disable)
1489{
1490	struct smu8_hwmgr *hw_data = hwmgr->backend;
1491
1492	if (separation_time !=
1493	    hw_data->cc6_settings.cpu_pstate_separation_time ||
1494	    cc6_disable != hw_data->cc6_settings.cpu_cc6_disable ||
1495	    pstate_disable != hw_data->cc6_settings.cpu_pstate_disable ||
1496	    pstate_switch_disable != hw_data->cc6_settings.nb_pstate_switch_disable) {
1497
1498		hw_data->cc6_settings.cc6_setting_changed = true;
1499
1500		hw_data->cc6_settings.cpu_pstate_separation_time =
1501			separation_time;
1502		hw_data->cc6_settings.cpu_cc6_disable =
1503			cc6_disable;
1504		hw_data->cc6_settings.cpu_pstate_disable =
1505			pstate_disable;
1506		hw_data->cc6_settings.nb_pstate_switch_disable =
1507			pstate_switch_disable;
1508
1509	}
1510
1511	return 0;
1512}
1513
1514static int smu8_get_dal_power_level(struct pp_hwmgr *hwmgr,
1515		struct amd_pp_simple_clock_info *info)
1516{
1517	uint32_t i;
1518	const struct phm_clock_voltage_dependency_table *table =
1519			hwmgr->dyn_state.vddc_dep_on_dal_pwrl;
1520	const struct phm_clock_and_voltage_limits *limits =
1521			&hwmgr->dyn_state.max_clock_voltage_on_ac;
1522
1523	info->engine_max_clock = limits->sclk;
1524	info->memory_max_clock = limits->mclk;
1525
1526	for (i = table->count - 1; i > 0; i--) {
1527		if (limits->vddc >= table->entries[i].v) {
1528			info->level = table->entries[i].clk;
1529			return 0;
1530		}
1531	}
1532	return -EINVAL;
1533}
1534
1535static int smu8_force_clock_level(struct pp_hwmgr *hwmgr,
1536		enum pp_clock_type type, uint32_t mask)
1537{
1538	switch (type) {
1539	case PP_SCLK:
1540		smum_send_msg_to_smc_with_parameter(hwmgr,
1541				PPSMC_MSG_SetSclkSoftMin,
1542				mask,
1543				NULL);
1544		smum_send_msg_to_smc_with_parameter(hwmgr,
1545				PPSMC_MSG_SetSclkSoftMax,
1546				mask,
1547				NULL);
1548		break;
1549	default:
1550		break;
1551	}
1552
1553	return 0;
1554}
1555
1556static int smu8_print_clock_levels(struct pp_hwmgr *hwmgr,
1557		enum pp_clock_type type, char *buf)
1558{
1559	struct smu8_hwmgr *data = hwmgr->backend;
1560	struct phm_clock_voltage_dependency_table *sclk_table =
1561			hwmgr->dyn_state.vddc_dependency_on_sclk;
1562	uint32_t i, now;
1563	int size = 0;
1564
1565	switch (type) {
1566	case PP_SCLK:
1567		now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device,
1568				CGS_IND_REG__SMC,
1569				ixTARGET_AND_CURRENT_PROFILE_INDEX),
1570				TARGET_AND_CURRENT_PROFILE_INDEX,
1571				CURR_SCLK_INDEX);
1572
1573		for (i = 0; i < sclk_table->count; i++)
1574			size += snprintf(buf + size, PAGE_SIZE - size, "%d: %uMhz %s\n",
1575					i, sclk_table->entries[i].clk / 100,
1576					(i == now) ? "*" : "");
1577		break;
1578	case PP_MCLK:
1579		now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device,
1580				CGS_IND_REG__SMC,
1581				ixTARGET_AND_CURRENT_PROFILE_INDEX),
1582				TARGET_AND_CURRENT_PROFILE_INDEX,
1583				CURR_MCLK_INDEX);
1584
1585		for (i = SMU8_NUM_NBPMEMORYCLOCK; i > 0; i--)
1586			size += snprintf(buf + size, PAGE_SIZE - size, "%d: %uMhz %s\n",
1587					SMU8_NUM_NBPMEMORYCLOCK-i, data->sys_info.nbp_memory_clock[i-1] / 100,
1588					(SMU8_NUM_NBPMEMORYCLOCK-i == now) ? "*" : "");
1589		break;
1590	default:
1591		break;
1592	}
1593	return size;
1594}
1595
1596static int smu8_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
1597				PHM_PerformanceLevelDesignation designation, uint32_t index,
1598				PHM_PerformanceLevel *level)
1599{
1600	const struct smu8_power_state *ps;
1601	struct smu8_hwmgr *data;
1602	uint32_t level_index;
1603	uint32_t i;
1604
1605	if (level == NULL || hwmgr == NULL || state == NULL)
1606		return -EINVAL;
1607
1608	data = hwmgr->backend;
1609	ps = cast_const_smu8_power_state(state);
1610
1611	level_index = index > ps->level - 1 ? ps->level - 1 : index;
1612	level->coreClock = ps->levels[level_index].engineClock;
1613
1614	if (designation == PHM_PerformanceLevelDesignation_PowerContainment) {
1615		for (i = 1; i < ps->level; i++) {
1616			if (ps->levels[i].engineClock > data->dce_slow_sclk_threshold) {
1617				level->coreClock = ps->levels[i].engineClock;
1618				break;
1619			}
1620		}
1621	}
1622
1623	if (level_index == 0)
1624		level->memory_clock = data->sys_info.nbp_memory_clock[SMU8_NUM_NBPMEMORYCLOCK - 1];
1625	else
1626		level->memory_clock = data->sys_info.nbp_memory_clock[0];
1627
1628	level->vddc = (smu8_convert_8Bit_index_to_voltage(hwmgr, ps->levels[level_index].vddcIndex) + 2) / 4;
1629	level->nonLocalMemoryFreq = 0;
1630	level->nonLocalMemoryWidth = 0;
1631
1632	return 0;
1633}
1634
1635static int smu8_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr,
1636	const struct pp_hw_power_state *state, struct pp_clock_info *clock_info)
1637{
1638	const struct smu8_power_state *ps = cast_const_smu8_power_state(state);
1639
1640	clock_info->min_eng_clk = ps->levels[0].engineClock / (1 << (ps->levels[0].ssDividerIndex));
1641	clock_info->max_eng_clk = ps->levels[ps->level - 1].engineClock / (1 << (ps->levels[ps->level - 1].ssDividerIndex));
1642
1643	return 0;
1644}
1645
1646static int smu8_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type,
1647						struct amd_pp_clocks *clocks)
1648{
1649	struct smu8_hwmgr *data = hwmgr->backend;
1650	int i;
1651	struct phm_clock_voltage_dependency_table *table;
1652
1653	clocks->count = smu8_get_max_sclk_level(hwmgr);
1654	switch (type) {
1655	case amd_pp_disp_clock:
1656		for (i = 0; i < clocks->count; i++)
1657			clocks->clock[i] = data->sys_info.display_clock[i] * 10;
1658		break;
1659	case amd_pp_sys_clock:
1660		table = hwmgr->dyn_state.vddc_dependency_on_sclk;
1661		for (i = 0; i < clocks->count; i++)
1662			clocks->clock[i] = table->entries[i].clk * 10;
1663		break;
1664	case amd_pp_mem_clock:
1665		clocks->count = SMU8_NUM_NBPMEMORYCLOCK;
1666		for (i = 0; i < clocks->count; i++)
1667			clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i] * 10;
1668		break;
1669	default:
1670		return -1;
1671	}
1672
1673	return 0;
1674}
1675
1676static int smu8_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks)
1677{
1678	struct phm_clock_voltage_dependency_table *table =
1679					hwmgr->dyn_state.vddc_dependency_on_sclk;
1680	unsigned long level;
1681	const struct phm_clock_and_voltage_limits *limits =
1682			&hwmgr->dyn_state.max_clock_voltage_on_ac;
1683
1684	if ((NULL == table) || (table->count <= 0) || (clocks == NULL))
1685		return -EINVAL;
1686
1687	level = smu8_get_max_sclk_level(hwmgr) - 1;
1688
1689	if (level < table->count)
1690		clocks->engine_max_clock = table->entries[level].clk;
1691	else
1692		clocks->engine_max_clock = table->entries[table->count - 1].clk;
1693
1694	clocks->memory_max_clock = limits->mclk;
1695
1696	return 0;
1697}
1698
1699static int smu8_thermal_get_temperature(struct pp_hwmgr *hwmgr)
1700{
1701	int actual_temp = 0;
1702	uint32_t val = cgs_read_ind_register(hwmgr->device,
1703					     CGS_IND_REG__SMC, ixTHM_TCON_CUR_TMP);
1704	uint32_t temp = PHM_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP);
1705
1706	if (PHM_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP_RANGE_SEL))
1707		actual_temp = ((temp / 8) - 49) * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
1708	else
1709		actual_temp = (temp / 8) * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
1710
1711	return actual_temp;
1712}
1713
1714static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx,
1715			  void *value, int *size)
1716{
1717	struct smu8_hwmgr *data = hwmgr->backend;
1718
1719	struct phm_clock_voltage_dependency_table *table =
1720				hwmgr->dyn_state.vddc_dependency_on_sclk;
1721
1722	struct phm_vce_clock_voltage_dependency_table *vce_table =
1723		hwmgr->dyn_state.vce_clock_voltage_dependency_table;
1724
1725	struct phm_uvd_clock_voltage_dependency_table *uvd_table =
1726		hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
1727
1728	uint32_t sclk_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX),
1729					TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX);
1730	uint32_t uvd_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
1731					TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX);
1732	uint32_t vce_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
1733					TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
1734
1735	uint32_t sclk, vclk, dclk, ecclk, tmp, activity_percent;
1736	uint16_t vddnb, vddgfx;
1737	int result;
1738
1739	/* size must be at least 4 bytes for all sensors */
1740	if (*size < 4)
1741		return -EINVAL;
1742	*size = 4;
1743
1744	switch (idx) {
1745	case AMDGPU_PP_SENSOR_GFX_SCLK:
1746		if (sclk_index < NUM_SCLK_LEVELS) {
1747			sclk = table->entries[sclk_index].clk;
1748			*((uint32_t *)value) = sclk;
1749			return 0;
1750		}
1751		return -EINVAL;
1752	case AMDGPU_PP_SENSOR_VDDNB:
1753		tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_NB_CURRENTVID) &
1754			CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
1755		vddnb = smu8_convert_8Bit_index_to_voltage(hwmgr, tmp) / 4;
1756		*((uint32_t *)value) = vddnb;
1757		return 0;
1758	case AMDGPU_PP_SENSOR_VDDGFX:
1759		tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_GFX_CURRENTVID) &
1760			CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
1761		vddgfx = smu8_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp) / 4;
1762		*((uint32_t *)value) = vddgfx;
1763		return 0;
1764	case AMDGPU_PP_SENSOR_UVD_VCLK:
1765		if (!data->uvd_power_gated) {
1766			if (uvd_index >= SMU8_MAX_HARDWARE_POWERLEVELS) {
1767				return -EINVAL;
1768			} else {
1769				vclk = uvd_table->entries[uvd_index].vclk;
1770				*((uint32_t *)value) = vclk;
1771				return 0;
1772			}
1773		}
1774		*((uint32_t *)value) = 0;
1775		return 0;
1776	case AMDGPU_PP_SENSOR_UVD_DCLK:
1777		if (!data->uvd_power_gated) {
1778			if (uvd_index >= SMU8_MAX_HARDWARE_POWERLEVELS) {
1779				return -EINVAL;
1780			} else {
1781				dclk = uvd_table->entries[uvd_index].dclk;
1782				*((uint32_t *)value) = dclk;
1783				return 0;
1784			}
1785		}
1786		*((uint32_t *)value) = 0;
1787		return 0;
1788	case AMDGPU_PP_SENSOR_VCE_ECCLK:
1789		if (!data->vce_power_gated) {
1790			if (vce_index >= SMU8_MAX_HARDWARE_POWERLEVELS) {
1791				return -EINVAL;
1792			} else {
1793				ecclk = vce_table->entries[vce_index].ecclk;
1794				*((uint32_t *)value) = ecclk;
1795				return 0;
1796			}
1797		}
1798		*((uint32_t *)value) = 0;
1799		return 0;
1800	case AMDGPU_PP_SENSOR_GPU_LOAD:
1801		result = smum_send_msg_to_smc(hwmgr,
1802				PPSMC_MSG_GetAverageGraphicsActivity,
1803				&activity_percent);
1804		if (0 == result)
1805			activity_percent = activity_percent > 100 ? 100 : activity_percent;
1806		else
1807			return -EIO;
1808		*((uint32_t *)value) = activity_percent;
1809		return 0;
1810	case AMDGPU_PP_SENSOR_UVD_POWER:
1811		*((uint32_t *)value) = data->uvd_power_gated ? 0 : 1;
1812		return 0;
1813	case AMDGPU_PP_SENSOR_VCE_POWER:
1814		*((uint32_t *)value) = data->vce_power_gated ? 0 : 1;
1815		return 0;
1816	case AMDGPU_PP_SENSOR_GPU_TEMP:
1817		*((uint32_t *)value) = smu8_thermal_get_temperature(hwmgr);
1818		return 0;
1819	default:
1820		return -EOPNOTSUPP;
1821	}
1822}
1823
1824static int smu8_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
1825					uint32_t virtual_addr_low,
1826					uint32_t virtual_addr_hi,
1827					uint32_t mc_addr_low,
1828					uint32_t mc_addr_hi,
1829					uint32_t size)
1830{
1831	smum_send_msg_to_smc_with_parameter(hwmgr,
1832					PPSMC_MSG_DramAddrHiVirtual,
1833					mc_addr_hi,
1834					NULL);
1835	smum_send_msg_to_smc_with_parameter(hwmgr,
1836					PPSMC_MSG_DramAddrLoVirtual,
1837					mc_addr_low,
1838					NULL);
1839	smum_send_msg_to_smc_with_parameter(hwmgr,
1840					PPSMC_MSG_DramAddrHiPhysical,
1841					virtual_addr_hi,
1842					NULL);
1843	smum_send_msg_to_smc_with_parameter(hwmgr,
1844					PPSMC_MSG_DramAddrLoPhysical,
1845					virtual_addr_low,
1846					NULL);
1847
1848	smum_send_msg_to_smc_with_parameter(hwmgr,
1849					PPSMC_MSG_DramBufferSize,
1850					size,
1851					NULL);
1852	return 0;
1853}
1854
1855static int smu8_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
1856		struct PP_TemperatureRange *thermal_data)
1857{
1858	struct smu8_hwmgr *data = hwmgr->backend;
1859
1860	memcpy(thermal_data, &SMU7ThermalPolicy[0], sizeof(struct PP_TemperatureRange));
1861
1862	thermal_data->max = (data->thermal_auto_throttling_treshold +
1863			data->sys_info.htc_hyst_lmt) *
1864			PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
1865
1866	return 0;
1867}
1868
1869static int smu8_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
1870{
1871	struct smu8_hwmgr *data = hwmgr->backend;
1872	uint32_t dpm_features = 0;
1873
1874	if (enable &&
1875		phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
1876				  PHM_PlatformCaps_UVDDPM)) {
1877		data->dpm_flags |= DPMFlags_UVD_Enabled;
1878		dpm_features |= UVD_DPM_MASK;
1879		smum_send_msg_to_smc_with_parameter(hwmgr,
1880			    PPSMC_MSG_EnableAllSmuFeatures,
1881			    dpm_features,
1882			    NULL);
1883	} else {
1884		dpm_features |= UVD_DPM_MASK;
1885		data->dpm_flags &= ~DPMFlags_UVD_Enabled;
1886		smum_send_msg_to_smc_with_parameter(hwmgr,
1887			   PPSMC_MSG_DisableAllSmuFeatures,
1888			   dpm_features,
1889			   NULL);
1890	}
1891	return 0;
1892}
1893
1894static int smu8_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
1895{
1896	struct smu8_hwmgr *data = hwmgr->backend;
1897	struct phm_uvd_clock_voltage_dependency_table *ptable =
1898		hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
1899
1900	if (!bgate) {
1901		/* Stable Pstate is enabled and we need to set the UVD DPM to highest level */
1902		if (PP_CAP(PHM_PlatformCaps_StablePState) ||
1903		    hwmgr->en_umd_pstate) {
1904			data->uvd_dpm.hard_min_clk =
1905				   ptable->entries[ptable->count - 1].vclk;
1906
1907			smum_send_msg_to_smc_with_parameter(hwmgr,
1908				PPSMC_MSG_SetUvdHardMin,
1909				smu8_get_uvd_level(hwmgr,
1910					data->uvd_dpm.hard_min_clk,
1911					PPSMC_MSG_SetUvdHardMin),
1912				NULL);
1913
1914			smu8_enable_disable_uvd_dpm(hwmgr, true);
1915		} else {
1916			smu8_enable_disable_uvd_dpm(hwmgr, true);
1917		}
1918	} else {
1919		smu8_enable_disable_uvd_dpm(hwmgr, false);
1920	}
1921
1922	return 0;
1923}
1924
1925static int smu8_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
1926{
1927	struct smu8_hwmgr *data = hwmgr->backend;
1928	uint32_t dpm_features = 0;
1929
1930	if (enable && phm_cap_enabled(
1931				hwmgr->platform_descriptor.platformCaps,
1932				PHM_PlatformCaps_VCEDPM)) {
1933		data->dpm_flags |= DPMFlags_VCE_Enabled;
1934		dpm_features |= VCE_DPM_MASK;
1935		smum_send_msg_to_smc_with_parameter(hwmgr,
1936			    PPSMC_MSG_EnableAllSmuFeatures,
1937			    dpm_features,
1938			    NULL);
1939	} else {
1940		dpm_features |= VCE_DPM_MASK;
1941		data->dpm_flags &= ~DPMFlags_VCE_Enabled;
1942		smum_send_msg_to_smc_with_parameter(hwmgr,
1943			   PPSMC_MSG_DisableAllSmuFeatures,
1944			   dpm_features,
1945			   NULL);
1946	}
1947
1948	return 0;
1949}
1950
1951
1952static void smu8_dpm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate)
1953{
1954	struct smu8_hwmgr *data = hwmgr->backend;
1955
1956	if (data->acp_power_gated == bgate)
1957		return;
1958
1959	if (bgate)
1960		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF, NULL);
1961	else
1962		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerON, NULL);
1963}
1964
1965#define WIDTH_4K		3840
1966
1967static void smu8_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
1968{
1969	struct smu8_hwmgr *data = hwmgr->backend;
1970	struct amdgpu_device *adev = hwmgr->adev;
1971
1972	data->uvd_power_gated = bgate;
1973
1974	if (bgate) {
1975		amdgpu_device_ip_set_powergating_state(hwmgr->adev,
1976						AMD_IP_BLOCK_TYPE_UVD,
1977						AMD_PG_STATE_GATE);
1978		amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
1979						AMD_IP_BLOCK_TYPE_UVD,
1980						AMD_CG_STATE_GATE);
1981		smu8_dpm_update_uvd_dpm(hwmgr, true);
1982		smu8_dpm_powerdown_uvd(hwmgr);
1983	} else {
1984		smu8_dpm_powerup_uvd(hwmgr);
1985		amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
1986						AMD_IP_BLOCK_TYPE_UVD,
1987						AMD_CG_STATE_UNGATE);
1988		amdgpu_device_ip_set_powergating_state(hwmgr->adev,
1989						AMD_IP_BLOCK_TYPE_UVD,
1990						AMD_PG_STATE_UNGATE);
1991		smu8_dpm_update_uvd_dpm(hwmgr, false);
1992	}
1993
1994	/* enable/disable Low Memory PState for UVD (4k videos) */
1995	if (adev->asic_type == CHIP_STONEY &&
1996	    adev->uvd.decode_image_width >= WIDTH_4K)
1997		smu8_nbdpm_pstate_enable_disable(hwmgr,
1998						 bgate,
1999						 true);
2000}
2001
2002static void smu8_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
2003{
2004	struct smu8_hwmgr *data = hwmgr->backend;
2005
2006	if (bgate) {
2007		amdgpu_device_ip_set_powergating_state(hwmgr->adev,
2008					AMD_IP_BLOCK_TYPE_VCE,
2009					AMD_PG_STATE_GATE);
2010		amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
2011					AMD_IP_BLOCK_TYPE_VCE,
2012					AMD_CG_STATE_GATE);
2013		smu8_enable_disable_vce_dpm(hwmgr, false);
2014		smu8_dpm_powerdown_vce(hwmgr);
2015		data->vce_power_gated = true;
2016	} else {
2017		smu8_dpm_powerup_vce(hwmgr);
2018		data->vce_power_gated = false;
2019		amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
2020					AMD_IP_BLOCK_TYPE_VCE,
2021					AMD_CG_STATE_UNGATE);
2022		amdgpu_device_ip_set_powergating_state(hwmgr->adev,
2023					AMD_IP_BLOCK_TYPE_VCE,
2024					AMD_PG_STATE_UNGATE);
2025		smu8_dpm_update_vce_dpm(hwmgr);
2026		smu8_enable_disable_vce_dpm(hwmgr, true);
2027	}
2028}
2029
2030static const struct pp_hwmgr_func smu8_hwmgr_funcs = {
2031	.backend_init = smu8_hwmgr_backend_init,
2032	.backend_fini = smu8_hwmgr_backend_fini,
2033	.apply_state_adjust_rules = smu8_apply_state_adjust_rules,
2034	.force_dpm_level = smu8_dpm_force_dpm_level,
2035	.get_power_state_size = smu8_get_power_state_size,
2036	.powerdown_uvd = smu8_dpm_powerdown_uvd,
2037	.powergate_uvd = smu8_dpm_powergate_uvd,
2038	.powergate_vce = smu8_dpm_powergate_vce,
2039	.powergate_acp = smu8_dpm_powergate_acp,
2040	.get_mclk = smu8_dpm_get_mclk,
2041	.get_sclk = smu8_dpm_get_sclk,
2042	.patch_boot_state = smu8_dpm_patch_boot_state,
2043	.get_pp_table_entry = smu8_dpm_get_pp_table_entry,
2044	.get_num_of_pp_table_entries = smu8_dpm_get_num_of_pp_table_entries,
2045	.set_cpu_power_state = smu8_set_cpu_power_state,
2046	.store_cc6_data = smu8_store_cc6_data,
2047	.force_clock_level = smu8_force_clock_level,
2048	.print_clock_levels = smu8_print_clock_levels,
2049	.get_dal_power_level = smu8_get_dal_power_level,
2050	.get_performance_level = smu8_get_performance_level,
2051	.get_current_shallow_sleep_clocks = smu8_get_current_shallow_sleep_clocks,
2052	.get_clock_by_type = smu8_get_clock_by_type,
2053	.get_max_high_clocks = smu8_get_max_high_clocks,
2054	.read_sensor = smu8_read_sensor,
2055	.power_off_asic = smu8_power_off_asic,
2056	.asic_setup = smu8_setup_asic_task,
2057	.dynamic_state_management_enable = smu8_enable_dpm_tasks,
2058	.power_state_set = smu8_set_power_state_tasks,
2059	.dynamic_state_management_disable = smu8_disable_dpm_tasks,
2060	.notify_cac_buffer_info = smu8_notify_cac_buffer_info,
2061	.get_thermal_temperature_range = smu8_get_thermal_temperature_range,
2062};
2063
2064int smu8_init_function_pointers(struct pp_hwmgr *hwmgr)
2065{
2066	hwmgr->hwmgr_func = &smu8_hwmgr_funcs;
2067	hwmgr->pptable_func = &pptable_funcs;
2068	return 0;
2069}
2070