From f0f3bf4b370cbd72a3dc63cb3a359677c4c27263 Mon Sep 17 00:00:00 2001 From: Po-Hao Huang Date: Tue, 19 Aug 2025 11:44:26 +0800 Subject: [PATCH] wifi: rtw89: 8852a: report average RSSI to avoid unnecessary scanning 8852A uses single antenna during power save, when the loss between two antennas is too large, previous logic induces greater RSSI variation. Report the average beacon RSSI for connected AP to get more stable RSSI and less unnecessary scanning. Signed-off-by: Po-Hao Huang Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20250819034428.26307-3-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/rtw8852a.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c index 1d85607e94243..d4200246eecca 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c @@ -2109,10 +2109,17 @@ static void rtw8852a_query_ppdu(struct rtw89_dev *rtwdev, { u8 path; u8 *rx_power = phy_ppdu->rssi; + u8 raw; + + if (!status->signal) { + if (phy_ppdu->to_self) + raw = ewma_rssi_read(&rtwdev->phystat.bcn_rssi); + else + raw = max(rx_power[RF_PATH_A], rx_power[RF_PATH_B]); + + status->signal = RTW89_RSSI_RAW_TO_DBM(raw); + } - if (!status->signal) - status->signal = RTW89_RSSI_RAW_TO_DBM(max(rx_power[RF_PATH_A], - rx_power[RF_PATH_B])); for (path = 0; path < rtwdev->chip->rf_path_num; path++) { status->chains |= BIT(path); status->chain_signal[path] = RTW89_RSSI_RAW_TO_DBM(rx_power[path]); -- 2.47.3