diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c
index 412ab08e6cca..c04fa3eb57d6 100644
--- a/drivers/net/wireless/ath/ath12k/dp.c
+++ b/drivers/net/wireless/ath/ath12k/dp.c
@@ -132,7 +132,9 @@ static int ath12k_dp_srng_find_ring_in_mask(int ring_num, const u8 *grp_mask)
 static int ath12k_dp_srng_calculate_msi_group(struct ath12k_base *ab,
 					      enum hal_ring_type type, int ring_num)
 {
+	const struct ath12k_hal_tcl_to_wbm_rbm_map *map;
 	const u8 *grp_mask;
+	int i;
 
 	switch (type) {
 	case HAL_WBM2SW_RELEASE:
@@ -140,6 +142,14 @@ static int ath12k_dp_srng_calculate_msi_group(struct ath12k_base *ab,
 			grp_mask = &ab->hw_params->ring_mask->rx_wbm_rel[0];
 			ring_num = 0;
 		} else {
+			map = ab->hw_params->hal_ops->tcl_to_wbm_rbm_map;
+			for (i = 0; i < ab->hw_params->max_tx_ring; i++) {
+				if (ring_num == map[i].wbm_ring_num) {
+					ring_num = i;
+					break;
+				}
+			}
+
 			grp_mask = &ab->hw_params->ring_mask->tx[0];
 		}
 		break;
@@ -867,11 +877,9 @@ int ath12k_dp_service_srng(struct ath12k_base *ab,
 	enum dp_monitor_mode monitor_mode;
 	u8 ring_mask;
 
-	while (i < ab->hw_params->max_tx_ring) {
-		if (ab->hw_params->ring_mask->tx[grp_id] &
-			BIT(ab->hw_params->hal_ops->tcl_to_wbm_rbm_map[i].wbm_ring_num))
-			ath12k_dp_tx_completion_handler(ab, i);
-		i++;
+	if (ab->hw_params->ring_mask->tx[grp_id]) {
+		i = fls(ab->hw_params->ring_mask->tx[grp_id]) - 1;
+		ath12k_dp_tx_completion_handler(ab, i);
 	}
 
 	if (ab->hw_params->ring_mask->rx_err[grp_id]) {
diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c
index b3ba753d4a85..5a1d406e6b1f 100644
--- a/drivers/net/wireless/ath/ath12k/hw.c
+++ b/drivers/net/wireless/ath/ath12k/hw.c
@@ -580,8 +580,8 @@ static const struct ath12k_hw_ring_mask ath12k_hw_ring_mask_qcn9274 = {
 static const struct ath12k_hw_ring_mask ath12k_hw_ring_mask_wcn7850 = {
 	.tx  = {
 		ATH12K_TX_RING_MASK_0,
+		ATH12K_TX_RING_MASK_1,
 		ATH12K_TX_RING_MASK_2,
-		ATH12K_TX_RING_MASK_4,
 	},
 	.rx_mon_dest = {
 	},