From 58a72043716401df263ba681cf4481ce0e4d4333 Mon Sep 17 00:00:00 2001
From: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Date: Sun, 9 Jul 2017 16:35:14 +0300
Subject: [PATCH 35/68] iwlwifi: mvm: set the default cTDP budget
References: FATE#322675
Patch-mainline: v4.14-rc1
Git-commit: 944eafc255500102b69940f425eb073bfab933db
In case there is no value received from BIOS
for cTDP budget, the default should be 2000 mWatt.
Signed-off-by: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index e87f34d63524..36b5058c94f5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1175,7 +1175,12 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
}
/* TODO: read the budget from BIOS / Platform NVM */
- if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0) {
+
+ /*
+ * In case there is no budget from BIOS / Platform NVM the default
+ * budget should be 2000mW (cooling state 0).
+ */
+ if (iwl_mvm_is_ctdp_supported(mvm)) {
ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
mvm->cooling_dev.cur_state);
if (ret)
--
2.12.3