From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DFCA8242D70 for ; Fri, 13 Feb 2026 05:35:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770960945; cv=none; b=QWMDtfpBcI8J7hTpcQTQyGnUhsb6I4iQzEQpa4O/WiBwtktwe9n+6pDgBiYRer4dMix/r8E97Ok/HpIZHhLY7hwaRtUwye2RsGjQ7mA9ZugFVFhEz1h0flyl0OpEbPB/j+1WKoWTedvW/uUgNt22Kqm+FSdDuG+javVKP0mHi8M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770960945; c=relaxed/simple; bh=1YvvyZaQkKEh5AqEGjnsAYFk2ROew8GgisKF1jKonC8=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=G/bz7VJz+SzDuz+bF7zulGNyF2AMdJRDcinsKKeKeMUuaPktTETEd7vIv8YUNeDzAL4Kq4Y44IaN4d9snAXPys5VdFGbHZUHD9Suj1EnOdW8hPdcnvEWraWvdvf/pwJD6u+Utmo4Vi+IThSaT/6T6L6o6fGgbG6tZlCdhw8+msM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=Itqr4O5F; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="Itqr4O5F" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 61D5Zd2321362639, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1770960939; bh=cCoh7Bn8YS/TTsjsEd4rC7sQYwvnIcrhQflE8wQjffw=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version: Content-Transfer-Encoding:Content-Type; b=Itqr4O5FJn/QUfQMedO2hcNLr1PzEcuLSk7pT7eeG43nN5ewE728/25ShcG63WEjk TTWl6HGg+l1c7t0Q/3PHQLfMvOKQnpZOdi76PxlYF/+ezVLeKUuU50zjEI6jgSaRNp HDvKKQYEwQIeMN1uPcPqhhPpIjv5m4D5xCG90J7gnHHeoowhcunVWlL73YQO2pKMaW DX1aTdWRTrg0UOMgcM2ImiTs7sIvQKXoaZgzQ+1k+iNgzWdIrRkBWbc3OXesHIDLnY NMePC8u1lLie+9mFKx211LpC0/5eIAdafKponOQOgOe8h1/YLQ5zquNR//neunIG9C Qffag5oAskBTQ== Received: from mail.realtek.com (rtkexhmbs04.realtek.com.tw[10.21.1.54]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 61D5Zd2321362639 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 13 Feb 2026 13:35:39 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS04.realtek.com.tw (10.21.1.54) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Fri, 13 Feb 2026 13:35:39 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS06.realtek.com.tw (10.21.1.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Fri, 13 Feb 2026 13:35:39 +0800 Received: from [127.0.1.1] (172.21.40.75) by RTKEXHMBS06.realtek.com.tw (10.21.1.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10 via Frontend Transport; Fri, 13 Feb 2026 13:35:39 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH rtw-next] wifi: rtw88: coex: Solve LE-HID lag & update coex version to 26020420 Date: Fri, 13 Feb 2026 13:34:45 +0800 Message-ID: <20260213053445.19384-1-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain From: Ching-Te Ku When Wi-Fi enters power save, the register value can not be read correctly. If mechanism take the wrong information to make decision, it will run with wrong parameters. It leads Bluetooth low-energy HID lag. Add logic to isolate the wrong register state. BTCOEX Version: 26020420-2020 Desired_BT_Coex_Ver: 0x20 Desired_WL_FW_Ver: 9.9.X Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/coex.c | 44 ++++++++++++------- drivers/net/wireless/realtek/rtw88/main.h | 1 + drivers/net/wireless/realtek/rtw88/rtw8703b.c | 5 +++ drivers/net/wireless/realtek/rtw88/rtw8723d.c | 5 +++ drivers/net/wireless/realtek/rtw88/rtw8821a.c | 7 ++- drivers/net/wireless/realtek/rtw88/rtw8821c.c | 7 ++- drivers/net/wireless/realtek/rtw88/rtw8822b.c | 5 +++ drivers/net/wireless/realtek/rtw88/rtw8822c.c | 5 ++- 8 files changed, 61 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index b4dc6ff2c175..ee4007fe6c18 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -485,6 +485,13 @@ static void rtw_coex_monitor_bt_ctr(struct rtw_dev *rtwdev) "[BTCoex], Hi-Pri Rx/Tx: %d/%d, Lo-Pri Rx/Tx: %d/%d\n", coex_stat->hi_pri_rx, coex_stat->hi_pri_tx, coex_stat->lo_pri_rx, coex_stat->lo_pri_tx); + + if (coex_stat->wl_under_lps || coex_stat->wl_under_ips || + (coex_stat->hi_pri_rx > 60000 && coex_stat->hi_pri_tx == 60000 && + coex_stat->lo_pri_rx > 60000 && coex_stat->lo_pri_tx == 60000)) + coex_stat->bt_ctr_ok = false; + else + coex_stat->bt_ctr_ok = true; } static void rtw_coex_monitor_bt_enable(struct rtw_dev *rtwdev) @@ -1959,14 +1966,18 @@ static void rtw_coex_action_bt_hid(struct rtw_dev *rtwdev) struct rtw_coex *coex = &rtwdev->coex; struct rtw_coex_stat *coex_stat = &coex->stat; struct rtw_efuse *efuse = &rtwdev->efuse; + bool is_bt_ctr_hi = false, is_toggle_table = false; u8 table_case, tdma_case; u32 slot_type = 0; - bool bt_multi_link_remain = false, is_toggle_table = false; rtw_dbg(rtwdev, RTW_DBG_COEX, "[BTCoex], %s()\n", __func__); rtw_coex_set_ant_path(rtwdev, false, COEX_SET_ANT_2G); rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[0]); + if (coex_stat->bt_ctr_ok && + coex_stat->lo_pri_rx + coex_stat->lo_pri_tx > 360) + is_bt_ctr_hi = true; + if (efuse->share_ant) { /* Shared-Ant */ if (coex_stat->bt_ble_exist) { @@ -1980,28 +1991,31 @@ static void rtw_coex_action_bt_hid(struct rtw_dev *rtwdev) } } else { /* Legacy HID */ - if (coex_stat->bt_profile_num == 1 && - (coex_stat->bt_multi_link || - (coex_stat->lo_pri_rx + - coex_stat->lo_pri_tx > 360) || - coex_stat->bt_slave || - bt_multi_link_remain)) { - slot_type = TDMA_4SLOT; - table_case = 12; - tdma_case = 20; - } else if (coex_stat->bt_a2dp_active) { + if (coex_stat->bt_a2dp_active) { table_case = 9; tdma_case = 18; + } else if (coex_stat->bt_profile_num == 1 && + (coex_stat->bt_multi_link && + (is_bt_ctr_hi || coex_stat->bt_slave || + coex_stat->bt_multi_link_remain))) { + if (coex_stat->wl_gl_busy && + (coex_stat->wl_rx_rate <= 3 || + coex_stat->wl_rts_rx_rate <= 3)) + table_case = 13; + else + table_case = 12; + + tdma_case = 26; } else if (coex_stat->bt_418_hid_exist && coex_stat->wl_gl_busy) { is_toggle_table = true; slot_type = TDMA_4SLOT; - table_case = 9; - tdma_case = 24; + table_case = 32; + tdma_case = 27; } else if (coex_stat->bt_ble_hid_exist && coex_stat->wl_gl_busy) { - table_case = 32; - tdma_case = 9; + table_case = 36; + tdma_case = 0; } else { table_case = 9; tdma_case = 9; diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 1ab70214ce36..1179231a672d 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -1475,6 +1475,7 @@ struct rtw_coex_stat { bool bt_game_hid_exist; bool bt_hid_handle_cnt; bool bt_mailbox_reply; + bool bt_ctr_ok; bool wl_under_lps; bool wl_under_ips; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8703b.c b/drivers/net/wireless/realtek/rtw88/rtw8703b.c index 821c28d9cb5d..b5e7ae7ebd95 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8703b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8703b.c @@ -1794,6 +1794,11 @@ static const struct coex_table_para table_sant_8703b[] = { {0x66556aaa, 0x6a5a6aaa}, /* case-30 */ {0xffffffff, 0x5aaa5aaa}, {0x56555555, 0x5a5a5aaa}, + {0xdaffdaff, 0xdaffdaff}, + {0xddffddff, 0xddffddff}, + {0xe5555555, 0xe5555555}, /* case-35 */ + {0xea5a5a5a, 0xea5a5a5a}, + {0xea6a6a6a, 0xea6a6a6a}, }; /* Shared-Antenna TDMA */ diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 8715e0435f17..a2b3e7a2ad99 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -1459,6 +1459,11 @@ static const struct coex_table_para table_sant_8723d[] = { {0x66556aaa, 0x6a5a6aaa}, /* case-30 */ {0xffffffff, 0x5aaa5aaa}, {0x56555555, 0x5a5a5aaa}, + {0xdaffdaff, 0xdaffdaff}, + {0xddffddff, 0xddffddff}, + {0xe5555555, 0xe5555555}, /* case-35 */ + {0xea5a5a5a, 0xea5a5a5a}, + {0xea6a6a6a, 0xea6a6a6a}, }; /* Non-Shared-Antenna Coex Table */ diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821a.c b/drivers/net/wireless/realtek/rtw88/rtw8821a.c index 414b77eef07c..cab85203b828 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821a.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821a.c @@ -998,7 +998,12 @@ static const struct coex_table_para table_sant_8821a[] = { {0x66556655, 0x66556655}, {0x66556aaa, 0x6a5a6aaa}, /* case-30 */ {0xffffffff, 0x5aaa5aaa}, - {0x56555555, 0x5a5a5aaa} + {0x56555555, 0x5a5a5aaa}, + {0xdaffdaff, 0xdaffdaff}, + {0xddffddff, 0xddffddff}, + {0xe5555555, 0xe5555555}, /* case-35 */ + {0xea5a5a5a, 0xea5a5a5a}, + {0xea6a6a6a, 0xea6a6a6a}, }; /* Non-Shared-Antenna Coex Table */ diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 2078b067562e..246046da4f13 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -1727,7 +1727,12 @@ static const struct coex_table_para table_sant_8821c[] = { {0x66556655, 0x66556655}, {0x66556aaa, 0x6a5a6aaa}, /* case-30 */ {0xffffffff, 0x5aaa5aaa}, - {0x56555555, 0x5a5a5aaa} + {0x56555555, 0x5a5a5aaa}, + {0xdaffdaff, 0xdaffdaff}, + {0xddffddff, 0xddffddff}, + {0xe5555555, 0xe5555555}, /* case-35 */ + {0xea5a5a5a, 0xea5a5a5a}, + {0xea6a6a6a, 0xea6a6a6a}, }; /* Non-Shared-Antenna Coex Table */ diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c index 4d88cc2f4148..e9e8a7f3f382 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c @@ -2217,6 +2217,11 @@ static const struct coex_table_para table_sant_8822b[] = { {0x66556aaa, 0x6a5a6aaa}, /* case-30 */ {0xffffffff, 0x5aaa5aaa}, {0x56555555, 0x5a5a5aaa}, + {0xdaffdaff, 0xdaffdaff}, + {0xddffddff, 0xddffddff}, + {0xe5555555, 0xe5555555}, /* case-35 */ + {0xea5a5a5a, 0xea5a5a5a}, + {0xea6a6a6a, 0xea6a6a6a}, }; /* Non-Shared-Antenna Coex Table */ diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index 28c121cf1e68..244c8026479c 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -5035,6 +5035,9 @@ static const struct coex_table_para table_sant_8822c[] = { {0x56555555, 0x5a5a5aaa}, {0xdaffdaff, 0xdaffdaff}, {0xddffddff, 0xddffddff}, + {0xe5555555, 0xe5555555}, /* case-35 */ + {0xea5a5a5a, 0xea5a5a5a}, + {0xea6a6a6a, 0xea6a6a6a}, }; /* Non-Shared-Antenna Coex Table */ @@ -5401,7 +5404,7 @@ const struct rtw_chip_info rtw8822c_hw_spec = { .max_sched_scan_ssids = 4, #endif .max_scan_ie_len = (RTW_PROBE_PG_CNT - 1) * TX_PAGE_SIZE, - .coex_para_ver = 0x22020720, + .coex_para_ver = 0x26020420, .bt_desired_ver = 0x20, .scbd_support = true, .new_scbd10_def = true, base-commit: 333225e1e9ead7b06e5363389403bdac72ba3046 -- 2.25.1