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authorEvan Quan <evan.quan@amd.com>2020-08-13 16:39:25 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-08-14 16:22:41 -0400
commite098bc9612c2b60f94920461d71c92962a916e73 (patch)
tree9523440f73a9db1943a4102da7b5ef4c5fb15ca4 /drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
parentdrm/amd/powerplay: put those exposed power interfaces in amdgpu_dpm.c (diff)
downloadwireguard-linux-e098bc9612c2b60f94920461d71c92962a916e73.tar.xz
wireguard-linux-e098bc9612c2b60f94920461d71c92962a916e73.zip
drm/amd/pm: optimize the power related source code layout
The target is to provide a clear entry point(for power routines). Also this can help to maintain a clear view about the frameworks used on different ASICs. Hopefully all these can make power part more friendly to play with. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c316
1 files changed, 0 insertions, 316 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
deleted file mode 100644
index c15b9756025d..000000000000
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * 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 "vega12_thermal.h"
-#include "vega12_hwmgr.h"
-#include "vega12_smumgr.h"
-#include "vega12_ppsmc.h"
-#include "vega12_inc.h"
-#include "soc15_common.h"
-#include "pp_debug.h"
-
-static int vega12_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
-{
- PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetCurrentRpm,
- current_rpm),
- "Attempt to get current RPM from SMC Failed!",
- return -EINVAL);
-
- return 0;
-}
-
-int vega12_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
- struct phm_fan_speed_info *fan_speed_info)
-{
- memset(fan_speed_info, 0, sizeof(*fan_speed_info));
- fan_speed_info->supports_percent_read = false;
- fan_speed_info->supports_percent_write = false;
- fan_speed_info->supports_rpm_read = true;
- fan_speed_info->supports_rpm_write = true;
-
- return 0;
-}
-
-int vega12_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
-{
- *speed = 0;
-
- return vega12_get_current_rpm(hwmgr, speed);
-}
-
-/**
- * @fn vega12_enable_fan_control_feature
- * @brief Enables the SMC Fan Control Feature.
- *
- * @param hwmgr - the address of the powerplay hardware manager.
- * @return 0 on success. -1 otherwise.
- */
-static int vega12_enable_fan_control_feature(struct pp_hwmgr *hwmgr)
-{
-#if 0
- struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
-
- if (data->smu_features[GNLD_FAN_CONTROL].supported) {
- PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(
- hwmgr, true,
- data->smu_features[GNLD_FAN_CONTROL].
- smu_feature_bitmap),
- "Attempt to Enable FAN CONTROL feature Failed!",
- return -1);
- data->smu_features[GNLD_FAN_CONTROL].enabled = true;
- }
-#endif
- return 0;
-}
-
-static int vega12_disable_fan_control_feature(struct pp_hwmgr *hwmgr)
-{
-#if 0
- struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
-
- if (data->smu_features[GNLD_FAN_CONTROL].supported) {
- PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(
- hwmgr, false,
- data->smu_features[GNLD_FAN_CONTROL].
- smu_feature_bitmap),
- "Attempt to Enable FAN CONTROL feature Failed!",
- return -1);
- data->smu_features[GNLD_FAN_CONTROL].enabled = false;
- }
-#endif
- return 0;
-}
-
-int vega12_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
-{
- struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
-
- if (data->smu_features[GNLD_FAN_CONTROL].supported)
- PP_ASSERT_WITH_CODE(
- !vega12_enable_fan_control_feature(hwmgr),
- "Attempt to Enable SMC FAN CONTROL Feature Failed!",
- return -1);
-
- return 0;
-}
-
-
-int vega12_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
-{
- struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
-
- if (data->smu_features[GNLD_FAN_CONTROL].supported)
- PP_ASSERT_WITH_CODE(!vega12_disable_fan_control_feature(hwmgr),
- "Attempt to Disable SMC FAN CONTROL Feature Failed!",
- return -1);
-
- return 0;
-}
-
-/**
-* Reset Fan Speed to default.
-* @param hwmgr the address of the powerplay hardware manager.
-* @exception Always succeeds.
-*/
-int vega12_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
-{
- return vega12_fan_ctrl_start_smc_fan_control(hwmgr);
-}
-
-/**
-* Reads the remote temperature from the SIslands thermal controller.
-*
-* @param hwmgr The address of the hardware manager.
-*/
-int vega12_thermal_get_temperature(struct pp_hwmgr *hwmgr)
-{
- struct amdgpu_device *adev = hwmgr->adev;
- int temp = 0;
-
- temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS);
-
- temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >>
- CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT;
-
- temp = temp & 0x1ff;
-
- temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
- return temp;
-}
-
-/**
-* Set the requested temperature range for high and low alert signals
-*
-* @param hwmgr The address of the hardware manager.
-* @param range Temperature range to be programmed for
-* high and low alert signals
-* @exception PP_Result_BadInput if the input data is not valid.
-*/
-static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
- struct PP_TemperatureRange *range)
-{
- struct amdgpu_device *adev = hwmgr->adev;
- int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP *
- PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
- int high = VEGA12_THERMAL_MAXIMUM_ALERT_TEMP *
- PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
- uint32_t val;
-
- if (low < range->min)
- low = range->min;
- if (high > range->max)
- high = range->max;
-
- if (low > high)
- return -EINVAL;
-
- val = RREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL);
-
- val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5);
- val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1);
- val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
- val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
- val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);
-
- WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val);
-
- return 0;
-}
-
-/**
-* Enable thermal alerts on the RV770 thermal controller.
-*
-* @param hwmgr The address of the hardware manager.
-*/
-static int vega12_thermal_enable_alert(struct pp_hwmgr *hwmgr)
-{
- struct amdgpu_device *adev = hwmgr->adev;
- uint32_t val = 0;
-
- val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT);
- val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT);
- val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT);
-
- WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, val);
-
- return 0;
-}
-
-/**
-* Disable thermal alerts on the RV770 thermal controller.
-* @param hwmgr The address of the hardware manager.
-*/
-int vega12_thermal_disable_alert(struct pp_hwmgr *hwmgr)
-{
- struct amdgpu_device *adev = hwmgr->adev;
-
- WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0);
-
- return 0;
-}
-
-/**
-* Uninitialize the thermal controller.
-* Currently just disables alerts.
-* @param hwmgr The address of the hardware manager.
-*/
-int vega12_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
-{
- int result = vega12_thermal_disable_alert(hwmgr);
-
- return result;
-}
-
-/**
-* Set up the fan table to control the fan using the SMC.
-* @param hwmgr the address of the powerplay hardware manager.
-* @param pInput the pointer to input data
-* @param pOutput the pointer to output data
-* @param pStorage the pointer to temporary storage
-* @param Result the last failure code
-* @return result from set temperature range routine
-*/
-static int vega12_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
-{
- int ret;
- struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
- PPTable_t *table = &(data->smc_state_table.pp_table);
-
- ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetFanTemperatureTarget,
- (uint32_t)table->FanTargetTemperature,
- NULL);
-
- return ret;
-}
-
-/**
-* Start the fan control on the SMC.
-* @param hwmgr the address of the powerplay hardware manager.
-* @param pInput the pointer to input data
-* @param pOutput the pointer to output data
-* @param pStorage the pointer to temporary storage
-* @param Result the last failure code
-* @return result from set temperature range routine
-*/
-static int vega12_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr)
-{
- /* If the fantable setup has failed we could have disabled
- * PHM_PlatformCaps_MicrocodeFanControl even after
- * this function was included in the table.
- * Make sure that we still think controlling the fan is OK.
- */
- if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
- vega12_fan_ctrl_start_smc_fan_control(hwmgr);
-
- return 0;
-}
-
-
-int vega12_start_thermal_controller(struct pp_hwmgr *hwmgr,
- struct PP_TemperatureRange *range)
-{
- int ret = 0;
-
- if (range == NULL)
- return -EINVAL;
-
- ret = vega12_thermal_set_temperature_range(hwmgr, range);
- if (ret)
- return -EINVAL;
-
- vega12_thermal_enable_alert(hwmgr);
- /* We should restrict performance levels to low before we halt the SMC.
- * On the other hand we are still in boot state when we do this
- * so it would be pointless.
- * If this assumption changes we have to revisit this table.
- */
- ret = vega12_thermal_setup_fan_table(hwmgr);
- if (ret)
- return -EINVAL;
-
- vega12_thermal_start_smc_fan_control(hwmgr);
-
- return 0;
-};