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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
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+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))
+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;
}
+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
+587 −0

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+60 −0
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/*
 * 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