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Commit 1e4854e9 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amdgpu/powerplay: implement thermal control for tonga. 



Implement thermal and fan control for tonga.

Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2dfea9cd

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

+1 −1
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ 
	       hardwaremanager.o pp_acpi.o cz_hwmgr.o \

               cz_clockpowergating.o \

	       tonga_processpptables.o ppatomctrl.o \

               tonga_hwmgr.o 	pppcielanes.o \

               tonga_hwmgr.o pppcielanes.o  tonga_thermal.o\

               fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o



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

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

+149 −1
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#include "smumgr.h"

#include "tonga_smumgr.h"

#include "tonga_clockpowergating.h"

#include "tonga_thermal.h"



#include "smu/smu_7_1_2_d.h"

#include "smu/smu_7_1_2_sh_mask.h"
@@ -50,6 +51,9 @@ 
#include "bif/bif_5_0_d.h"

#include "bif/bif_5_0_sh_mask.h"



#include "cgs_linux.h"

#include "eventmgr.h"



#define MC_CG_ARB_FREQ_F0           0x0a

#define MC_CG_ARB_FREQ_F1           0x0b

#define MC_CG_ARB_FREQ_F2           0x0c
@@ -5721,6 +5725,22 @@ static int tonga_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input 
	return result;

}



/**

*  Set maximum target operating fan output PWM

*

* @param    pHwMgr:  the address of the powerplay hardware manager.

* @param    usMaxFanPwm:  max operating fan PWM in percents

* @return   The response that came from the SMC.

*/

static int tonga_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 (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm) ? 0 : -EINVAL);

}



int tonga_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)

{
@@ -5799,6 +5819,122 @@ int tonga_display_configuration_changed_task(struct pp_hwmgr *hwmgr) 
	return 0;

}



/**

*  Set maximum target operating fan output RPM

*

* @param    pHwMgr:  the address of the powerplay hardware manager.

* @param    usMaxFanRpm:  max operating fan RPM value.

* @return   The response that came from the SMC.

*/

static int tonga_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm)

{

	hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM = us_max_fan_pwm;



	if (phm_is_hw_access_blocked(hwmgr))

		return 0;



	return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanRpmMax, us_max_fan_pwm) ? 0 : -EINVAL);

}



uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr)

{

	uint32_t reference_clock;

	uint32_t tc;

	uint32_t divide;



	ATOM_FIRMWARE_INFO *fw_info;

	uint16_t size;

	uint8_t frev, crev;

	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);



	tc = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK);



	if (tc)

		return TCLK;



	fw_info = (ATOM_FIRMWARE_INFO *)cgs_atom_get_data_table(hwmgr->device, index,

						  &size, &frev, &crev);



	if (!fw_info)

		return 0;



	reference_clock = le16_to_cpu(fw_info->usMinPixelClockPLL_Output);



	divide = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL, XTALIN_DIVIDE);



	if (0 != divide)

		return reference_clock / 4;



	return reference_clock;

}



int tonga_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 tonga_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,

				tonga_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,

				tonga_dpm_set_interrupt_state,

				info->call_back, info->context);



	if (result)

		return -EINVAL;



	return 0;

}



static const struct pp_hwmgr_func tonga_hwmgr_funcs = {

	.backend_init = &tonga_hwmgr_backend_init,

	.backend_fini = &tonga_hwmgr_backend_fini,
@@ -5820,6 +5956,18 @@ static const struct pp_hwmgr_func tonga_hwmgr_funcs = { 
	.disable_clock_power_gating = tonga_phm_disable_clock_power_gating,

	.notify_smc_display_config_after_ps_adjustment = tonga_notify_smc_display_config_after_ps_adjustment,

	.display_config_changed = tonga_display_configuration_changed_task,

	.set_max_fan_pwm_output = tonga_set_max_fan_pwm_output,

	.set_max_fan_rpm_output = tonga_set_max_fan_rpm_output,

	.get_temperature = tonga_thermal_get_temperature,

	.stop_thermal_controller = tonga_thermal_stop_thermal_controller,

	.get_fan_speed_info = tonga_fan_ctrl_get_fan_speed_info,

	.get_fan_speed_percent = tonga_fan_ctrl_get_fan_speed_percent,

	.set_fan_speed_percent = tonga_fan_ctrl_set_fan_speed_percent,

	.reset_fan_speed_to_default = tonga_fan_ctrl_reset_fan_speed_to_default,

	.get_fan_speed_rpm = tonga_fan_ctrl_get_fan_speed_rpm,

	.set_fan_speed_rpm = tonga_fan_ctrl_set_fan_speed_rpm,

	.uninitialize_thermal_controller = tonga_thermal_ctrl_uninitialize_thermal_controller,

	.register_internal_thermal_interrupt = tonga_register_internal_thermal_interrupt,

};



int tonga_hwmgr_init(struct pp_hwmgr *hwmgr)
@@ -5834,7 +5982,7 @@ int tonga_hwmgr_init(struct pp_hwmgr *hwmgr) 
	hwmgr->backend = data;

	hwmgr->hwmgr_func = &tonga_hwmgr_funcs;

	hwmgr->pptable_func = &tonga_pptable_funcs;



	pp_tonga_thermal_initialize(hwmgr);

	return 0;

}

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

+1 −0
Original line number Diff line number Diff line
@@ -426,6 +426,7 @@ int tonga_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input); 
int tonga_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate);

int tonga_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable);

int tonga_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable);

uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr);



#endif

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

0 → 100644
+587 −0

File added.

Preview size limit exceeded, changes collapsed.

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

0 → 100644
+60 −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 TONGA_THERMAL_H

#define TONGA_THERMAL_H



#include "hwmgr.h"



#define TONGA_THERMAL_HIGH_ALERT_MASK         0x1

#define TONGA_THERMAL_LOW_ALERT_MASK          0x2



#define TONGA_THERMAL_MINIMUM_TEMP_READING    -256

#define TONGA_THERMAL_MAXIMUM_TEMP_READING    255



#define TONGA_THERMAL_MINIMUM_ALERT_TEMP      0

#define TONGA_THERMAL_MAXIMUM_ALERT_TEMP      255



#define FDO_PWM_MODE_STATIC  1

#define FDO_PWM_MODE_STATIC_RPM 5





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

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

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



extern int tonga_thermal_get_temperature(struct pp_hwmgr *hwmgr);

extern int tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr);

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

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

extern int tonga_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr);

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

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

extern int tonga_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr);

extern int pp_tonga_thermal_initialize(struct pp_hwmgr *hwmgr);

extern int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr);

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

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



#endif