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Commit 60103814 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

drm/amd/powerplay: Add thermal protection support for Fiji. 



Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarEric Huang <JinHuiEric.Huang@amd.com>
parent ea617bc9

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

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ 
	       tonga_processpptables.o ppatomctrl.o \

               tonga_hwmgr.o pppcielanes.o  tonga_thermal.o\

               fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \

               fiji_clockpowergating.o

               fiji_clockpowergating.o fiji_thermal.o



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

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

+143 −0
Original line number Diff line number Diff line
@@ -50,8 +50,11 @@ 
#include "pp_debug.h"

#include "pp_acpi.h"

#include "amd_pcie_helpers.h"

#include "cgs_linux.h"

#include "ppinterrupt.h"



#include "fiji_clockpowergating.h"

#include "fiji_thermal.h"



#define VOLTAGE_SCALE	4

#define SMC_RAM_END		0x40000
@@ -694,6 +697,31 @@ static int fiji_hwmgr_backend_init(struct pp_hwmgr *hwmgr) 
		hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;

		hwmgr->platform_descriptor.minimumClocksReductionPercentage  = 50;



		phm_cap_set(hwmgr->platform_descriptor.platformCaps,

				PHM_PlatformCaps_FanSpeedInTableIsRPM);



		if (table_info->cac_dtp_table->usDefaultTargetOperatingTemp &&

				hwmgr->thermal_controller.

				advanceFanControlParameters.ucFanControlMode) {

			hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM =

					hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM;

			hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM =

					hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM;

			hwmgr->dyn_state.cac_dtp_table->usOperatingTempMinLimit =

					table_info->cac_dtp_table->usOperatingTempMinLimit;

			hwmgr->dyn_state.cac_dtp_table->usOperatingTempMaxLimit =

					table_info->cac_dtp_table->usOperatingTempMaxLimit;

			hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp =

					table_info->cac_dtp_table->usDefaultTargetOperatingTemp;

			hwmgr->dyn_state.cac_dtp_table->usOperatingTempStep =

					table_info->cac_dtp_table->usOperatingTempStep;

			hwmgr->dyn_state.cac_dtp_table->usTargetOperatingTemp =

					table_info->cac_dtp_table->usTargetOperatingTemp;



			phm_cap_set(hwmgr->platform_descriptor.platformCaps,

					PHM_PlatformCaps_ODFuzzyFanControlSupport);

		}



		sys_info.size = sizeof(struct cgs_system_info);

		sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO;

		result = cgs_query_system_info(hwmgr->device, &sys_info);
@@ -4915,6 +4943,108 @@ int fiji_display_configuration_changed_task(struct pp_hwmgr *hwmgr) 
	return fiji_program_display_gap(hwmgr);

}



static int fiji_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr,

		uint16_t us_max_fan_pwm)

{

	hwmgr->thermal_controller.

	advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;



	if (phm_is_hw_access_blocked(hwmgr))

		return 0;



	return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,

			PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);

}



static int fiji_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr,

		uint16_t us_max_fan_rpm)

{

	hwmgr->thermal_controller.

	advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;



	if (phm_is_hw_access_blocked(hwmgr))

		return 0;



	return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,

			PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);

}



int fiji_dpm_set_interrupt_state(void *private_data,

					 unsigned src_id, unsigned type,

					 int enabled)

{

	uint32_t cg_thermal_int;

	struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr;



	if (hwmgr == NULL)

		return -EINVAL;



	switch (type) {

	case AMD_THERMAL_IRQ_LOW_TO_HIGH:

		if (enabled) {

			cg_thermal_int = cgs_read_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT);

			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;

			cgs_write_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);

		} else {

			cg_thermal_int = cgs_read_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT);

			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;

			cgs_write_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);

		}

		break;



	case AMD_THERMAL_IRQ_HIGH_TO_LOW:

		if (enabled) {

			cg_thermal_int = cgs_read_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT);

			cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;

			cgs_write_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);

		} else {

			cg_thermal_int = cgs_read_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT);

			cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;

			cgs_write_ind_register(hwmgr->device,

					CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);

		}

		break;

	default:

		break;

	}

	return 0;

}



int fiji_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,

					const void *thermal_interrupt_info)

{

	int result;

	const struct pp_interrupt_registration_info *info =

			(const struct pp_interrupt_registration_info *)

			thermal_interrupt_info;



	if (info == NULL)

		return -EINVAL;



	result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST,

				fiji_dpm_set_interrupt_state,

				info->call_back, info->context);



	if (result)

		return -EINVAL;



	result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST,

				fiji_dpm_set_interrupt_state,

				info->call_back, info->context);



	if (result)

		return -EINVAL;



	return 0;

}



static const struct pp_hwmgr_func fiji_hwmgr_funcs = {

	.backend_init = &fiji_hwmgr_backend_init,

	.backend_fini = &tonga_hwmgr_backend_fini,
@@ -4936,6 +5066,18 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = { 
	.notify_smc_display_config_after_ps_adjustment =

			&tonga_notify_smc_display_config_after_ps_adjustment,

	.display_config_changed = &fiji_display_configuration_changed_task,

	.set_max_fan_pwm_output = fiji_set_max_fan_pwm_output,

	.set_max_fan_rpm_output = fiji_set_max_fan_rpm_output,

	.get_temperature = fiji_thermal_get_temperature,

	.stop_thermal_controller = fiji_thermal_stop_thermal_controller,

	.get_fan_speed_info = fiji_fan_ctrl_get_fan_speed_info,

	.get_fan_speed_percent = fiji_fan_ctrl_get_fan_speed_percent,

	.set_fan_speed_percent = fiji_fan_ctrl_set_fan_speed_percent,

	.reset_fan_speed_to_default = fiji_fan_ctrl_reset_fan_speed_to_default,

	.get_fan_speed_rpm = fiji_fan_ctrl_get_fan_speed_rpm,

	.set_fan_speed_rpm = fiji_fan_ctrl_set_fan_speed_rpm,

	.uninitialize_thermal_controller = fiji_thermal_ctrl_uninitialize_thermal_controller,

	.register_internal_thermal_interrupt = fiji_register_internal_thermal_interrupt,

};



int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
@@ -4950,5 +5092,6 @@ int fiji_hwmgr_init(struct pp_hwmgr *hwmgr) 
	hwmgr->backend = data;

	hwmgr->hwmgr_func = &fiji_hwmgr_funcs;

	hwmgr->pptable_func = &tonga_pptable_funcs;

	pp_fiji_thermal_initialize(hwmgr);

	return ret;

}

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

0 → 100644
+687 −0

File added.

Preview size limit exceeded, changes collapsed.

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

0 → 100644
+61 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2015 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 FIJI_THERMAL_H

#define FIJI_THERMAL_H



#include "hwmgr.h"



#define FIJI_THERMAL_HIGH_ALERT_MASK         0x1

#define FIJI_THERMAL_LOW_ALERT_MASK          0x2



#define FIJI_THERMAL_MINIMUM_TEMP_READING    -256

#define FIJI_THERMAL_MAXIMUM_TEMP_READING    255



#define FIJI_THERMAL_MINIMUM_ALERT_TEMP      0

#define FIJI_THERMAL_MAXIMUM_ALERT_TEMP      255



#define FDO_PWM_MODE_STATIC  1

#define FDO_PWM_MODE_STATIC_RPM 5





extern int tf_fiji_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result);

extern int tf_fiji_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result);

extern int tf_fiji_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result);



extern int fiji_thermal_get_temperature(struct pp_hwmgr *hwmgr);

extern int fiji_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr);

extern int fiji_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info);

extern int fiji_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed);

extern int fiji_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr);

extern int fiji_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode);

extern int fiji_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed);

extern int fiji_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr);

extern int pp_fiji_thermal_initialize(struct pp_hwmgr *hwmgr);

extern int fiji_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr);

extern int fiji_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed);

extern int fiji_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed);

extern uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr);



#endif