diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/tt.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/tt.c | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c index d6ae7f16ac1..86856151278 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/iwlwifi/mvm/tt.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2013 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -340,7 +340,7 @@ static void check_exit_ctkill(struct work_struct *work) iwl_trans_start_hw(mvm->trans); temp = check_nic_temperature(mvm); - iwl_trans_stop_hw(mvm->trans, false); + iwl_trans_stop_device(mvm->trans); if (temp < MIN_TEMPERATURE || temp > MAX_TEMPERATURE) { IWL_DEBUG_TEMP(mvm, "Failed to measure NIC temperature\n"); @@ -388,11 +388,10 @@ static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable) lockdep_is_held(&mvm->mutex)); if (IS_ERR_OR_NULL(sta)) continue; - mvmsta = (void *)sta->drv_priv; + mvmsta = iwl_mvm_sta_from_mac80211(sta); if (enable == mvmsta->tt_tx_protection) continue; - err = iwl_mvm_tx_protection(mvm, &mvmsta->lq_sta.lq, - mvmsta, enable); + err = iwl_mvm_tx_protection(mvm, mvmsta, enable); if (err) { IWL_ERR(mvm, "Failed to %s Tx protection\n", enable ? "enable" : "disable"); @@ -404,15 +403,16 @@ static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable) } } -static void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff) +void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff) { struct iwl_host_cmd cmd = { .id = REPLY_THERMAL_MNG_BACKOFF, .len = { sizeof(u32), }, .data = { &backoff, }, - .flags = CMD_SYNC, }; + backoff = max(backoff, mvm->thermal_throttle.min_backoff); + if (iwl_mvm_send_cmd(mvm, &cmd) == 0) { IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n", backoff); @@ -467,13 +467,14 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm) } if (params->support_tx_backoff) { - tx_backoff = 0; + tx_backoff = tt->min_backoff; for (i = 0; i < TT_TX_BACKOFF_SIZE; i++) { if (temperature < params->tx_backoff[i].temperature) break; - tx_backoff = params->tx_backoff[i].backoff; + tx_backoff = max(tt->min_backoff, + params->tx_backoff[i].backoff); } - if (tx_backoff != 0) + if (tx_backoff != tt->min_backoff) throttle_enable = true; if (tt->tx_backoff != tx_backoff) iwl_mvm_tt_tx_backoff(mvm, tx_backoff); @@ -483,7 +484,8 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm) IWL_WARN(mvm, "Due to high temperature thermal throttling initiated\n"); tt->throttle = true; - } else if (tt->throttle && !tt->dynamic_smps && tt->tx_backoff == 0 && + } else if (tt->throttle && !tt->dynamic_smps && + tt->tx_backoff == tt->min_backoff && temperature <= params->tx_protection_exit) { IWL_WARN(mvm, "Temperature is back to normal thermal throttling stopped\n"); @@ -513,13 +515,41 @@ static const struct iwl_tt_params iwl7000_tt_params = { .support_tx_backoff = true, }; -void iwl_mvm_tt_initialize(struct iwl_mvm *mvm) +static const struct iwl_tt_params iwl7000_high_temp_tt_params = { + .ct_kill_entry = 118, + .ct_kill_exit = 96, + .ct_kill_duration = 5, + .dynamic_smps_entry = 114, + .dynamic_smps_exit = 110, + .tx_protection_entry = 114, + .tx_protection_exit = 108, + .tx_backoff = { + {.temperature = 112, .backoff = 300}, + {.temperature = 113, .backoff = 800}, + {.temperature = 114, .backoff = 1500}, + {.temperature = 115, .backoff = 3000}, + {.temperature = 116, .backoff = 5000}, + {.temperature = 117, .backoff = 10000}, + }, + .support_ct_kill = true, + .support_dynamic_smps = true, + .support_tx_protection = true, + .support_tx_backoff = true, +}; + +void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff) { struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n"); - tt->params = &iwl7000_tt_params; + + if (mvm->cfg->high_temp) + tt->params = &iwl7000_high_temp_tt_params; + else + tt->params = &iwl7000_tt_params; + tt->throttle = false; + tt->min_backoff = min_backoff; INIT_DELAYED_WORK(&tt->ct_kill_exit, check_exit_ctkill); } |
