diff --git a/drivers/net/wireless/realtek/rtw89/acpi.c b/drivers/net/wireless/realtek/rtw89/acpi.c
index c97cc29cc663..581d6d4154d3 100644
--- a/drivers/net/wireless/realtek/rtw89/acpi.c
+++ b/drivers/net/wireless/realtek/rtw89/acpi.c
@@ -236,6 +236,49 @@ int rtw89_acpi_dsm_get_policy_6ghz_sp(struct rtw89_dev *rtwdev,
 	return 0;
 }
 
+static bool chk_acpi_policy_tas_sig(const struct rtw89_acpi_policy_tas *p)
+{
+	return p->signature[0] == 0x52 &&
+	       p->signature[1] == 0x54 &&
+	       p->signature[2] == 0x4B &&
+	       p->signature[3] == 0x05;
+}
+
+static int rtw89_acpi_dsm_get_policy_tas(struct rtw89_dev *rtwdev,
+					 union acpi_object *obj,
+					 struct rtw89_acpi_policy_tas **policy)
+{
+	const struct rtw89_acpi_policy_tas *ptr;
+	u32 buf_len;
+
+	if (obj->type != ACPI_TYPE_BUFFER) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI,
+			    "acpi: expect buffer but type: %d\n", obj->type);
+		return -EINVAL;
+	}
+
+	buf_len = obj->buffer.length;
+	if (buf_len < sizeof(*ptr)) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: invalid buffer length: %u\n",
+			    __func__, buf_len);
+		return -EINVAL;
+	}
+
+	ptr = (typeof(ptr))obj->buffer.pointer;
+	if (!chk_acpi_policy_tas_sig(ptr)) {
+		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "%s: bad signature\n", __func__);
+		return -EINVAL;
+	}
+
+	*policy = kmemdup(ptr, sizeof(*ptr), GFP_KERNEL);
+	if (!*policy)
+		return -ENOMEM;
+
+	rtw89_hex_dump(rtwdev, RTW89_DBG_ACPI, "policy_tas: ", *policy,
+		       sizeof(*ptr));
+	return 0;
+}
+
 int rtw89_acpi_evaluate_dsm(struct rtw89_dev *rtwdev,
 			    enum rtw89_acpi_dsm_func func,
 			    struct rtw89_acpi_dsm_result *res)
@@ -257,6 +300,8 @@ int rtw89_acpi_evaluate_dsm(struct rtw89_dev *rtwdev,
 	else if (func == RTW89_ACPI_DSM_FUNC_6GHZ_SP_SUP)
 		ret = rtw89_acpi_dsm_get_policy_6ghz_sp(rtwdev, obj,
 							&res->u.policy_6ghz_sp);
+	else if (func == RTW89_ACPI_DSM_FUNC_TAS_EN)
+		ret = rtw89_acpi_dsm_get_policy_tas(rtwdev, obj, &res->u.policy_tas);
 	else
 		ret = rtw89_acpi_dsm_get_value(rtwdev, obj, &res->u.value);
 
diff --git a/drivers/net/wireless/realtek/rtw89/acpi.h b/drivers/net/wireless/realtek/rtw89/acpi.h
index 8ec9011bfefb..8c918ee02d2e 100644
--- a/drivers/net/wireless/realtek/rtw89/acpi.h
+++ b/drivers/net/wireless/realtek/rtw89/acpi.h
@@ -31,6 +31,13 @@ enum rtw89_acpi_policy_mode {
 	RTW89_ACPI_POLICY_ALLOW = 1,
 };
 
+enum rtw89_acpi_conf_tas {
+	RTW89_ACPI_CONF_TAS_US = BIT(0),
+	RTW89_ACPI_CONF_TAS_CA = BIT(1),
+	RTW89_ACPI_CONF_TAS_KR = BIT(2),
+	RTW89_ACPI_CONF_TAS_OTHERS = BIT(7),
+};
+
 struct rtw89_acpi_country_code {
 	/* below are allowed:
 	 * * ISO alpha2 country code
@@ -59,12 +66,21 @@ struct rtw89_acpi_policy_6ghz_sp {
 	u8 rsvd;
 } __packed;
 
+struct rtw89_acpi_policy_tas {
+	u8 signature[4];
+	u8 revision;
+	u8 enable;
+	u8 enabled_countries;
+	u8 rsvd[3];
+} __packed;
+
 struct rtw89_acpi_dsm_result {
 	union {
 		u8 value;
 		/* caller needs to free it after using */
 		struct rtw89_acpi_policy_6ghz *policy_6ghz;
 		struct rtw89_acpi_policy_6ghz_sp *policy_6ghz_sp;
+		struct rtw89_acpi_policy_tas *policy_tas;
 	} u;
 };
 
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 68c8bcee2832..54843f95746c 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -4753,6 +4753,7 @@ enum rtw89_tas_state {
 struct rtw89_tas_info {
 	u16 tx_ratio_history[RTW89_TAS_TX_RATIO_WINDOW];
 	u64 txpwr_history[RTW89_TAS_TXPWR_WINDOW];
+	u8 enabled_countries;
 	u8 txpwr_head_idx;
 	u8 txpwr_tail_idx;
 	u8 tx_ratio_idx;
diff --git a/drivers/net/wireless/realtek/rtw89/regd.c b/drivers/net/wireless/realtek/rtw89/regd.c
index 49e9540f2049..61a2ee0d3d57 100644
--- a/drivers/net/wireless/realtek/rtw89/regd.c
+++ b/drivers/net/wireless/realtek/rtw89/regd.c
@@ -758,11 +758,22 @@ static void rtw89_regd_apply_policy_tas(struct rtw89_dev *rtwdev)
 	struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;
 	const struct rtw89_regd *regd = regulatory->regd;
 	struct rtw89_tas_info *tas = &rtwdev->tas;
+	u8 tas_country;
 
 	if (!tas->enable)
 		return;
 
-	tas->block_regd = !test_bit(RTW89_REGD_FUNC_TAS, regd->func_bitmap);
+	if (memcmp("US", regd->alpha2, 2) == 0)
+		tas_country = RTW89_ACPI_CONF_TAS_US;
+	else if (memcmp("CA", regd->alpha2, 2) == 0)
+		tas_country = RTW89_ACPI_CONF_TAS_CA;
+	else if (memcmp("KR", regd->alpha2, 2) == 0)
+		tas_country = RTW89_ACPI_CONF_TAS_KR;
+	else
+		tas_country = RTW89_ACPI_CONF_TAS_OTHERS;
+
+	tas->block_regd = !(tas->enabled_countries & tas_country &&
+			    test_bit(RTW89_REGD_FUNC_TAS, regd->func_bitmap));
 }
 
 static void rtw89_regd_apply_policy_ant_gain(struct rtw89_dev *rtwdev)
diff --git a/drivers/net/wireless/realtek/rtw89/sar.c b/drivers/net/wireless/realtek/rtw89/sar.c
index d15dafcae39b..517b66022f18 100644
--- a/drivers/net/wireless/realtek/rtw89/sar.c
+++ b/drivers/net/wireless/realtek/rtw89/sar.c
@@ -695,9 +695,9 @@ static void rtw89_tas_init(struct rtw89_dev *rtwdev)
 {
 	const struct rtw89_chip_info *chip = rtwdev->chip;
 	struct rtw89_tas_info *tas = &rtwdev->tas;
+	const struct rtw89_acpi_policy_tas *ptr;
 	struct rtw89_acpi_dsm_result res = {};
 	int ret;
-	u8 val;
 
 	if (!chip->support_tas)
 		return;
@@ -709,8 +709,9 @@ static void rtw89_tas_init(struct rtw89_dev *rtwdev)
 		return;
 	}
 
-	val = res.u.value;
-	switch (val) {
+	ptr = res.u.policy_tas;
+
+	switch (ptr->enable) {
 	case 0:
 		tas->enable = false;
 		break;
@@ -723,8 +724,13 @@ static void rtw89_tas_init(struct rtw89_dev *rtwdev)
 
 	if (!tas->enable) {
 		rtw89_debug(rtwdev, RTW89_DBG_SAR, "TAS not enable\n");
-		return;
+		goto out;
 	}
+
+	tas->enabled_countries = ptr->enabled_countries;
+
+out:
+	kfree(ptr);
 }
 
 void rtw89_tas_reset(struct rtw89_dev *rtwdev, bool force)
