drm/amd/powerplay: Add thermal protection support for Fiji.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
index 00d2e17..8de045f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
@@ -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 @@
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 @@
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 @@
.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 @@
hwmgr->backend = data;
hwmgr->hwmgr_func = &fiji_hwmgr_funcs;
hwmgr->pptable_func = &tonga_pptable_funcs;
+ pp_fiji_thermal_initialize(hwmgr);
return ret;
}