@@ -674,3 +674,34 @@ bool iwl_puncturing_is_allowed_in_bios(u32 puncturing, u16 mcc)
}
}
IWL_EXPORT_SYMBOL(iwl_puncturing_is_allowed_in_bios);
+
+bool iwl_rfi_is_enabled_in_bios(struct iwl_fw_runtime *fwrt)
+{
+ /* default behaviour is disabled */
+ u32 value = 0;
+ int ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_RFI_CONFIG, &value);
+
+ if (ret < 0) {
+ IWL_DEBUG_RADIO(fwrt, "Failed to get DSM RFI, ret=%d\n", ret);
+ return false;
+ }
+
+ value &= DSM_VALUE_RFI_DISABLE;
+ /* RFI BIOS CONFIG value can be 0 or 3 only.
+ * i.e 0 means DDR and DLVR enabled. 3 means DDR and DLVR disabled.
+ * 1 and 2 are invalid BIOS configurations, So, it's not possible to
+ * disable ddr/dlvr separately.
+ */
+ if (!value) {
+ IWL_DEBUG_RADIO(fwrt, "DSM RFI is evaluated to enable\n");
+ return true;
+ } else if (value == DSM_VALUE_RFI_DISABLE) {
+ IWL_DEBUG_RADIO(fwrt, "DSM RFI is evaluated to disable\n");
+ } else {
+ IWL_DEBUG_RADIO(fwrt,
+ "DSM RFI got invalid value, value=%d\n", value);
+ }
+
+ return false;
+}
+IWL_EXPORT_SYMBOL(iwl_rfi_is_enabled_in_bios);
@@ -167,6 +167,8 @@ enum iwl_dsm_values_rfi {
#define DSM_VALUE_RFI_DISABLE (DSM_VALUE_RFI_DLVR_DISABLE |\
DSM_VALUE_RFI_DDR_DISABLE)
+bool iwl_rfi_is_enabled_in_bios(struct iwl_fw_runtime *fwrt);
+
enum iwl_dsm_masks_reg {
DSM_MASK_CHINA_22_REG = BIT(2)
};
@@ -1213,38 +1213,6 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
}
-static bool iwl_mvm_eval_dsm_rfi(struct iwl_mvm *mvm)
-{
- u32 value = 0;
- /* default behaviour is disabled */
- bool bios_enable_rfi = false;
- int ret = iwl_bios_get_dsm(&mvm->fwrt, DSM_FUNC_RFI_CONFIG, &value);
-
-
- if (ret < 0) {
- IWL_DEBUG_RADIO(mvm, "Failed to get DSM RFI, ret=%d\n", ret);
- return bios_enable_rfi;
- }
-
- value &= DSM_VALUE_RFI_DISABLE;
- /* RFI BIOS CONFIG value can be 0 or 3 only.
- * i.e 0 means DDR and DLVR enabled. 3 means DDR and DLVR disabled.
- * 1 and 2 are invalid BIOS configurations, So, it's not possible to
- * disable ddr/dlvr separately.
- */
- if (!value) {
- IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to enable\n");
- bios_enable_rfi = true;
- } else if (value == DSM_VALUE_RFI_DISABLE) {
- IWL_DEBUG_RADIO(mvm, "DSM RFI is evaluated to disable\n");
- } else {
- IWL_DEBUG_RADIO(mvm,
- "DSM RFI got invalid value, value=%d\n", value);
- }
-
- return bios_enable_rfi;
-}
-
static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
{
struct iwl_lari_config_change_cmd cmd;
@@ -1631,7 +1599,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
iwl_mvm_uats_init(mvm);
if (iwl_rfi_supported(mvm)) {
- if (iwl_mvm_eval_dsm_rfi(mvm))
+ if (iwl_rfi_is_enabled_in_bios(&mvm->fwrt))
iwl_rfi_send_config_cmd(mvm, NULL);
}