diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/tt.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tt.c | 97 |
1 files changed, 64 insertions, 33 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index d92470960b38..53bab21ebae2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2012-2014, 2019-2022, 2024 Intel Corporation + * Copyright (C) 2012-2014, 2019-2022, 2024-2025 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015-2016 Intel Deutschland GmbH */ @@ -8,6 +8,9 @@ #include "mvm.h" +#define IWL_MVM_NUM_CTDP_STEPS 20 +#define IWL_MVM_MIN_CTDP_BUDGET_MW 150 + #define IWL_MVM_TEMP_NOTIF_WAIT_TIMEOUT HZ void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm) @@ -105,7 +108,7 @@ static bool iwl_mvm_temp_notif_wait(struct iwl_notif_wait_data *notif_wait, void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_dts_measurement_notif_v2 *notif_v2; + struct iwl_dts_measurement_notif *notif_v2; int len = iwl_rx_packet_payload_len(pkt); int temp; u32 ths_crossed; @@ -479,43 +482,28 @@ static const struct iwl_tt_params iwl_mvm_default_tt_params = { .support_tx_backoff = true, }; -/* budget in mWatt */ -static const u32 iwl_mvm_cdev_budgets[] = { - 2400, /* cooling state 0 */ - 2000, /* cooling state 1 */ - 1800, /* cooling state 2 */ - 1600, /* cooling state 3 */ - 1400, /* cooling state 4 */ - 1200, /* cooling state 5 */ - 1000, /* cooling state 6 */ - 900, /* cooling state 7 */ - 800, /* cooling state 8 */ - 700, /* cooling state 9 */ - 650, /* cooling state 10 */ - 600, /* cooling state 11 */ - 550, /* cooling state 12 */ - 500, /* cooling state 13 */ - 450, /* cooling state 14 */ - 400, /* cooling state 15 */ - 350, /* cooling state 16 */ - 300, /* cooling state 17 */ - 250, /* cooling state 18 */ - 200, /* cooling state 19 */ - 150, /* cooling state 20 */ -}; - int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 state) { - struct iwl_mvm_ctdp_cmd cmd = { + struct iwl_ctdp_cmd cmd = { .operation = cpu_to_le32(op), - .budget = cpu_to_le32(iwl_mvm_cdev_budgets[state]), .window_size = 0, }; + u32 budget; int ret; u32 status; lockdep_assert_held(&mvm->mutex); + /* Do a linear scale from IWL_MVM_MIN_CTDP_BUDGET_MW to the configured + * maximum in the predefined number of steps. + */ + budget = ((mvm->thermal_throttle.power_budget_mw - + IWL_MVM_MIN_CTDP_BUDGET_MW) * + (IWL_MVM_NUM_CTDP_STEPS - 1 - state)) / + (IWL_MVM_NUM_CTDP_STEPS - 1) + + IWL_MVM_MIN_CTDP_BUDGET_MW; + cmd.budget = cpu_to_le32(budget); + status = 0; ret = iwl_mvm_send_cmd_pdu_status(mvm, WIDE_ID(PHY_OPS_GROUP, CTDP_CONFIG_CMD), @@ -552,8 +540,8 @@ int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 state) #ifdef CONFIG_THERMAL static int compare_temps(const void *a, const void *b) { - return ((s16)le16_to_cpu(*(__le16 *)a) - - (s16)le16_to_cpu(*(__le16 *)b)); + return ((s16)le16_to_cpu(*(const __le16 *)a) - + (s16)le16_to_cpu(*(const __le16 *)b)); } struct iwl_trip_walk_data { @@ -707,7 +695,7 @@ static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm) static int iwl_mvm_tcool_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state) { - *state = ARRAY_SIZE(iwl_mvm_cdev_budgets) - 1; + *state = IWL_MVM_NUM_CTDP_STEPS - 1; return 0; } @@ -733,7 +721,7 @@ static int iwl_mvm_tcool_set_cur_state(struct thermal_cooling_device *cdev, mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) return -EIO; - if (new_state >= ARRAY_SIZE(iwl_mvm_cdev_budgets)) + if (new_state >= IWL_MVM_NUM_CTDP_STEPS) return -EINVAL; return iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, @@ -794,6 +782,47 @@ static void iwl_mvm_cooling_device_unregister(struct iwl_mvm *mvm) } #endif /* CONFIG_THERMAL */ +static u32 iwl_mvm_ctdp_get_max_budget(struct iwl_mvm *mvm) +{ + u64 bios_power_budget = 0; + u32 default_power_budget; + + switch (CSR_HW_RFID_TYPE(mvm->trans->info.hw_rf_id)) { + case IWL_CFG_RF_TYPE_JF2: + case IWL_CFG_RF_TYPE_JF1: + default_power_budget = 2000; + break; + case IWL_CFG_RF_TYPE_HR2: + case IWL_CFG_RF_TYPE_HR1: + default_power_budget = 2400; + break; + case IWL_CFG_RF_TYPE_GF: + /* dual-radio devices have a higher budget */ + if (CSR_HW_RFID_IS_CDB(mvm->trans->info.hw_rf_id)) + default_power_budget = 5200; + else + default_power_budget = 2880; + break; + case IWL_CFG_RF_TYPE_FM: + default_power_budget = 3450; + break; + default: + default_power_budget = 5550; + break; + } + + iwl_bios_get_pwr_limit(&mvm->fwrt, &bios_power_budget); + + /* 32bit in UEFI, 16bit in ACPI; use BIOS value if it is in range */ + if (bios_power_budget && + bios_power_budget != 0xffff && bios_power_budget != 0xffffffff && + bios_power_budget >= IWL_MVM_MIN_CTDP_BUDGET_MW && + bios_power_budget <= default_power_budget) + return (u32)bios_power_budget; + + return default_power_budget; +} + void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff) { struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; @@ -805,6 +834,8 @@ void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff) else tt->params = iwl_mvm_default_tt_params; + tt->power_budget_mw = iwl_mvm_ctdp_get_max_budget(mvm); + IWL_DEBUG_TEMP(mvm, "cTDP power budget: %d mW\n", tt->power_budget_mw); tt->throttle = false; tt->dynamic_smps = false; tt->min_backoff = min_backoff; |