Commit d33edb64 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/powerplay: add new pp_psm infrastructure for vega12 (v2) 



New psm infrastructure for vega12.

v2: rebase (Alex)

Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3503d588

drivers/gpu/drm/amd/powerplay/hwmgr/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o \ 
		smu7_clockpowergating.o \

		vega10_processpptables.o vega10_hwmgr.o vega10_powertune.o \

		vega10_thermal.o smu10_hwmgr.o pp_psm.o\

		pp_overdriver.o smu_helper.o

		pp_overdriver.o smu_helper.o pp_psm_legacy.o pp_psm_new.o



AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))

drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c

+33 −211
Original line number Diff line number Diff line
@@ -21,243 +21,65 @@ 
 *

 */



#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/slab.h>

#include "pp_psm.h"

#include "pp_psm_legacy.h"

#include "pp_psm_new.h"



int psm_init_power_state_table(struct pp_hwmgr *hwmgr)

{

	int result;

	unsigned int i;

	unsigned int table_entries;

	struct pp_power_state *state;

	int size;



	if (hwmgr->hwmgr_func->get_num_of_pp_table_entries == NULL)

		return -EINVAL;



	if (hwmgr->hwmgr_func->get_power_state_size == NULL)

		return -EINVAL;



	hwmgr->num_ps = table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr);



	hwmgr->ps_size = size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) +

					  sizeof(struct pp_power_state);



	hwmgr->ps = kzalloc(size * table_entries, GFP_KERNEL);

	if (hwmgr->ps == NULL)

		return -ENOMEM;



	hwmgr->request_ps = kzalloc(size, GFP_KERNEL);

	if (hwmgr->request_ps == NULL) {

		kfree(hwmgr->ps);

		hwmgr->ps = NULL;

		return -ENOMEM;

	}



	hwmgr->current_ps = kzalloc(size, GFP_KERNEL);

	if (hwmgr->current_ps == NULL) {

		kfree(hwmgr->request_ps);

		kfree(hwmgr->ps);

		hwmgr->request_ps = NULL;

		hwmgr->ps = NULL;

		return -ENOMEM;

	}



	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		result = hwmgr->hwmgr_func->get_pp_table_entry(hwmgr, i, state);



		if (state->classification.flags & PP_StateClassificationFlag_Boot) {

			hwmgr->boot_ps = state;

			memcpy(hwmgr->current_ps, state, size);

			memcpy(hwmgr->request_ps, state, size);

		}



		state->id = i + 1; /* assigned unique num for every power state id */



		if (state->classification.flags & PP_StateClassificationFlag_Uvd)

			hwmgr->uvd_ps = state;

		state = (struct pp_power_state *)((unsigned long)state + size);

	}



	return 0;

	if (hwmgr->chip_id != CHIP_VEGA12)

		return psm_legacy_init_power_state_table(hwmgr);

	else

		return psm_new_init_power_state_table(hwmgr);

}



int psm_fini_power_state_table(struct pp_hwmgr *hwmgr)

{

	if (hwmgr == NULL)

		return -EINVAL;



	kfree(hwmgr->current_ps);

	kfree(hwmgr->request_ps);

	kfree(hwmgr->ps);

	hwmgr->request_ps = NULL;

	hwmgr->ps = NULL;

	hwmgr->current_ps = NULL;

	return 0;

}



static int psm_get_ui_state(struct pp_hwmgr *hwmgr,

				enum PP_StateUILabel ui_label,

				unsigned long *state_id)

{

	struct pp_power_state *state;

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;

	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		if (state->classification.ui_label & ui_label) {

			*state_id = state->id;

			return 0;

		}

		state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);

	}

	return -EINVAL;

}



static int psm_get_state_by_classification(struct pp_hwmgr *hwmgr,

					enum PP_StateClassificationFlag flag,

					unsigned long *state_id)

{

	struct pp_power_state *state;

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;

	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		if (state->classification.flags & flag) {

			*state_id = state->id;

			return 0;

		}

		state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);

	}

	return -EINVAL;

}



static int psm_set_states(struct pp_hwmgr *hwmgr, unsigned long state_id)

{

	struct pp_power_state *state;

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;



	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		if (state->id == state_id) {

			memcpy(hwmgr->request_ps, state, hwmgr->ps_size);

			return 0;

		}

		state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);

	}

	return -EINVAL;

	if (hwmgr->chip_id != CHIP_VEGA12)

		return psm_legacy_fini_power_state_table(hwmgr);

	else

		return psm_new_fini_power_state_table(hwmgr);

}



int psm_set_boot_states(struct pp_hwmgr *hwmgr)

{

	unsigned long state_id;

	int ret = -EINVAL;



	if (!psm_get_state_by_classification(hwmgr, PP_StateClassificationFlag_Boot,

					&state_id))

		ret = psm_set_states(hwmgr, state_id);



	return ret;

	if (hwmgr->chip_id != CHIP_VEGA12)

		return psm_legacy_set_boot_states(hwmgr);

	else

		return psm_new_set_boot_states(hwmgr);

}



int psm_set_performance_states(struct pp_hwmgr *hwmgr)

{

	unsigned long state_id;

	int ret = -EINVAL;



	if (!psm_get_ui_state(hwmgr, PP_StateUILabel_Performance,

					&state_id))

		ret = psm_set_states(hwmgr, state_id);



	return ret;

	if (hwmgr->chip_id != CHIP_VEGA12)

		return psm_legacy_set_performance_states(hwmgr);

	else

		return psm_new_set_performance_states(hwmgr);

}



int psm_set_user_performance_state(struct pp_hwmgr *hwmgr,

					enum PP_StateUILabel label_id,

					struct pp_power_state **state)

{

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;

	*state = hwmgr->ps;



restart_search:

	for (i = 0; i < table_entries; i++) {

		if ((*state)->classification.ui_label & label_id)

			return 0;

		*state = (struct pp_power_state *)((uintptr_t)*state + hwmgr->ps_size);

	}



	switch (label_id) {

	case PP_StateUILabel_Battery:

	case PP_StateUILabel_Balanced:

		label_id = PP_StateUILabel_Performance;

		goto restart_search;

	default:

		break;

	}

	return -EINVAL;

	if (hwmgr->chip_id != CHIP_VEGA12)

		return psm_legacy_set_user_performance_state(hwmgr,

				label_id,

				state);

	else

		return psm_new_set_user_performance_state(hwmgr,

				label_id,

				state);

}



int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip,

						struct pp_power_state *new_ps)

{

	struct pp_power_state *pcurrent;

	struct pp_power_state *requested;

	bool equal;

	uint32_t index;

	long workload;



	if (skip)

		return 0;



	phm_display_configuration_changed(hwmgr);



	if (new_ps != NULL)

		requested = new_ps;

	if (hwmgr->chip_id != CHIP_VEGA12)

		return psm_legacy_adjust_power_state_dynamic(hwmgr,

				skip,

				new_ps);

	else

		requested = hwmgr->request_ps;



	pcurrent = hwmgr->current_ps;



	phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);

	if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr,

			&pcurrent->hardware, &requested->hardware, &equal)))

		equal = false;



	if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {

		phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);

		memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size);

	}



	phm_notify_smc_display_config_after_ps_adjustment(hwmgr);

	if (!phm_force_dpm_levels(hwmgr, hwmgr->request_dpm_level))

		hwmgr->dpm_level = hwmgr->request_dpm_level;



	if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {

		index = fls(hwmgr->workload_mask);

		index = index > 0 && index <= Workload_Policy_Max ? index - 1 : 0;

		workload = hwmgr->workload_setting[index];



		if (hwmgr->power_profile_mode != workload && hwmgr->hwmgr_func->set_power_profile_mode)

			hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, &workload, 0);

	}



	return 0;

		return psm_new_adjust_power_state_dynamic(hwmgr,

				skip,

				new_ps);

}

drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm_legacy.c

0 → 100644
+262 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2017 Advanced Micro Devices, Inc.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 *

 */



#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/slab.h>

#include "pp_psm_legacy.h"



int psm_legacy_init_power_state_table(struct pp_hwmgr *hwmgr)

{

	int result;

	unsigned int i;

	unsigned int table_entries;

	struct pp_power_state *state;

	int size;



	if (hwmgr->hwmgr_func->get_num_of_pp_table_entries == NULL)

		return -EINVAL;



	if (hwmgr->hwmgr_func->get_power_state_size == NULL)

		return -EINVAL;



	hwmgr->num_ps = table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr);



	hwmgr->ps_size = size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) +

					  sizeof(struct pp_power_state);



	hwmgr->ps = kzalloc(size * table_entries, GFP_KERNEL);

	if (hwmgr->ps == NULL)

		return -ENOMEM;



	hwmgr->request_ps = kzalloc(size, GFP_KERNEL);

	if (hwmgr->request_ps == NULL) {

		kfree(hwmgr->ps);

		hwmgr->ps = NULL;

		return -ENOMEM;

	}



	hwmgr->current_ps = kzalloc(size, GFP_KERNEL);

	if (hwmgr->current_ps == NULL) {

		kfree(hwmgr->request_ps);

		kfree(hwmgr->ps);

		hwmgr->request_ps = NULL;

		hwmgr->ps = NULL;

		return -ENOMEM;

	}



	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		result = hwmgr->hwmgr_func->get_pp_table_entry(hwmgr, i, state);



		if (state->classification.flags & PP_StateClassificationFlag_Boot) {

			hwmgr->boot_ps = state;

			memcpy(hwmgr->current_ps, state, size);

			memcpy(hwmgr->request_ps, state, size);

		}



		state->id = i + 1; /* assigned unique num for every power state id */



		if (state->classification.flags & PP_StateClassificationFlag_Uvd)

			hwmgr->uvd_ps = state;

		state = (struct pp_power_state *)((unsigned long)state + size);

	}



	return 0;

}



int psm_legacy_fini_power_state_table(struct pp_hwmgr *hwmgr)

{

	if (hwmgr == NULL)

		return -EINVAL;



	kfree(hwmgr->current_ps);

	kfree(hwmgr->request_ps);

	kfree(hwmgr->ps);

	hwmgr->request_ps = NULL;

	hwmgr->ps = NULL;

	hwmgr->current_ps = NULL;

	return 0;

}



static int get_ui_state(struct pp_hwmgr *hwmgr,

				enum PP_StateUILabel ui_label,

				unsigned long *state_id)

{

	struct pp_power_state *state;

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;

	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		if (state->classification.ui_label & ui_label) {

			*state_id = state->id;

			return 0;

		}

		state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);

	}

	return -EINVAL;

}



static int get_state_by_classification(struct pp_hwmgr *hwmgr,

					enum PP_StateClassificationFlag flag,

					unsigned long *state_id)

{

	struct pp_power_state *state;

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;

	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		if (state->classification.flags & flag) {

			*state_id = state->id;

			return 0;

		}

		state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);

	}

	return -EINVAL;

}



static int set_states(struct pp_hwmgr *hwmgr, unsigned long state_id)

{

	struct pp_power_state *state;

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;



	state = hwmgr->ps;



	for (i = 0; i < table_entries; i++) {

		if (state->id == state_id) {

			memcpy(hwmgr->request_ps, state, hwmgr->ps_size);

			return 0;

		}

		state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);

	}

	return -EINVAL;

}



int psm_legacy_set_boot_states(struct pp_hwmgr *hwmgr)

{

	unsigned long state_id;

	int ret = -EINVAL;



	if (!get_state_by_classification(hwmgr, PP_StateClassificationFlag_Boot,

					&state_id))

		ret = set_states(hwmgr, state_id);



	return ret;

}



int psm_legacy_set_performance_states(struct pp_hwmgr *hwmgr)

{

	unsigned long state_id;

	int ret = -EINVAL;



	if (!get_ui_state(hwmgr, PP_StateUILabel_Performance,

					&state_id))

		ret = set_states(hwmgr, state_id);



	return ret;

}



int psm_legacy_set_user_performance_state(struct pp_hwmgr *hwmgr,

					enum PP_StateUILabel label_id,

					struct pp_power_state **state)

{

	int table_entries;

	int i;



	table_entries = hwmgr->num_ps;

	*state = hwmgr->ps;



restart_search:

	for (i = 0; i < table_entries; i++) {

		if ((*state)->classification.ui_label & label_id)

			return 0;

		*state = (struct pp_power_state *)((uintptr_t)*state + hwmgr->ps_size);

	}



	switch (label_id) {

	case PP_StateUILabel_Battery:

	case PP_StateUILabel_Balanced:

		label_id = PP_StateUILabel_Performance;

		goto restart_search;

	default:

		break;

	}

	return -EINVAL;

}



int psm_legacy_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip,

						struct pp_power_state *new_ps)

{

	struct pp_power_state *pcurrent;

	struct pp_power_state *requested;

	bool equal;

	uint32_t index;

	long workload;



	if (skip)

		return 0;



	phm_display_configuration_changed(hwmgr);



	if (new_ps != NULL)

		requested = new_ps;

	else

		requested = hwmgr->request_ps;



	pcurrent = hwmgr->current_ps;



	phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);

	if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr,

			&pcurrent->hardware, &requested->hardware, &equal)))

		equal = false;



	if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {

		phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);

		memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size);

	}



	phm_notify_smc_display_config_after_ps_adjustment(hwmgr);

	if (!phm_force_dpm_levels(hwmgr, hwmgr->request_dpm_level))

		hwmgr->dpm_level = hwmgr->request_dpm_level;



	if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {

		index = fls(hwmgr->workload_mask);

		index = index > 0 && index <= Workload_Policy_Max ? index - 1 : 0;

		workload = hwmgr->workload_setting[index];



		if (hwmgr->power_profile_mode != workload && hwmgr->hwmgr_func->set_power_profile_mode)

			hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, &workload, 0);

	}



	return 0;

}

drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm_legacy.h

0 → 100644
+40 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2017 Advanced Micro Devices, Inc.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 *

 */



#ifndef PP_PSM_LEGACY_H

#define PP_PSM_LEGACY_H



#include "hwmgr.h"



int psm_legacy_init_power_state_table(struct pp_hwmgr *hwmgr);

int psm_legacy_fini_power_state_table(struct pp_hwmgr *hwmgr);

int psm_legacy_set_boot_states(struct pp_hwmgr *hwmgr);

int psm_legacy_set_performance_states(struct pp_hwmgr *hwmgr);

int psm_legacy_set_user_performance_state(struct pp_hwmgr *hwmgr,

					enum PP_StateUILabel label_id,

					struct pp_power_state **state);

int psm_legacy_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr,

				bool skip,

				struct pp_power_state *new_ps);



#endif

drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm_new.c

0 → 100644
+76 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2017 Advanced Micro Devices, Inc.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 *

 */



#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/slab.h>

#include "pp_psm_new.h"



int psm_new_init_power_state_table(struct pp_hwmgr *hwmgr)

{

	hwmgr->ps_size = 0;

	hwmgr->num_ps = 0;

	hwmgr->ps = NULL;

	hwmgr->request_ps = NULL;

	hwmgr->current_ps = NULL;

	hwmgr->boot_ps = NULL;

	hwmgr->uvd_ps = NULL;



	return 0;

}



int psm_new_fini_power_state_table(struct pp_hwmgr *hwmgr)

{

	return 0;

}



int psm_new_set_boot_states(struct pp_hwmgr *hwmgr)

{

	return 0;

}



int psm_new_set_performance_states(struct pp_hwmgr *hwmgr)

{

	return 0;

}



int psm_new_set_user_performance_state(struct pp_hwmgr *hwmgr,

					enum PP_StateUILabel label_id,

					struct pp_power_state **state)

{

	return 0;

}



int psm_new_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr,

					bool skip,

					struct pp_power_state *new_ps)

{

	if (skip)

		return 0;



	phm_display_configuration_changed(hwmgr);



	phm_notify_smc_display_config_after_ps_adjustment(hwmgr);



	return 0;

}