From e7a7f705a85439dae22796c9404a93075b5b4df2 Mon Sep 17 00:00:00 2001 From: Ching-Te Ku Date: Thu, 3 Oct 2024 18:51:39 +0800 Subject: [PATCH] wifi: rtw89: coex: Solved BT PAN profile idle decrease Wi-Fi throughput Some Bluetooth device will make up connection as PAN link, though the connection is idle, it will still report the PAN link is active. The coexistence mechanism will enable TDMA to protect the PAN, it makes Wi-Fi throughput degrade at least 50%. But the link is idle, don't need so much bandwidth. Add TDMA case to let Wi-Fi can do traffic 80% bandwidth. Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20241003105140.10867-4-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/coex.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index 1c0169e2927e..3350e982ca5a 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -4636,12 +4636,21 @@ static void _action_bt_a2dpsink(struct rtw89_dev *rtwdev) static void _action_bt_pan(struct rtw89_dev *rtwdev) { struct rtw89_btc *btc = &rtwdev->btc; + struct rtw89_btc_bt_link_info *bt_linfo = &btc->cx.bt.link_info; + struct rtw89_btc_bt_a2dp_desc a2dp = bt_linfo->a2dp_desc; + struct rtw89_btc_bt_pan_desc pan = bt_linfo->pan_desc; _set_ant(rtwdev, NM_EXEC, BTC_PHY_ALL, BTC_ANT_W2G); switch (btc->cx.state_map) { case BTC_WBUSY_BNOSCAN: /* wl-busy + bt-PAN */ - _set_policy(rtwdev, BTC_CXP_PFIX_TD5050, BTC_ACT_BT_PAN); + if (a2dp.active || !pan.exist) { + btc->dm.slot_dur[CXST_W1] = 80; + btc->dm.slot_dur[CXST_B1] = 20; + _set_policy(rtwdev, BTC_CXP_PFIX_TDW1B1, BTC_ACT_BT_PAN); + } else { + _set_policy(rtwdev, BTC_CXP_PFIX_TD5050, BTC_ACT_BT_PAN); + } break; case BTC_WBUSY_BSCAN: /* wl-busy + bt-inq + bt-PAN */ _set_policy(rtwdev, BTC_CXP_PFIX_TD3070, BTC_ACT_BT_PAN); -- 2.25.1