From patchwork Wed Dec 30 03:36:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 11992921 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DDC2C433E0 for ; Wed, 30 Dec 2020 03:37:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E204207AF for ; Wed, 30 Dec 2020 03:37:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726203AbgL3DhT (ORCPT ); Tue, 29 Dec 2020 22:37:19 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:39177 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726138AbgL3DhT (ORCPT ); Tue, 29 Dec 2020 22:37:19 -0500 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 0BU3aVbhD017533, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexmbs04.realtek.com.tw[172.21.6.97]) by rtits2.realtek.com.tw (8.15.2/2.70/5.88) with ESMTPS id 0BU3aVbhD017533 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 30 Dec 2020 11:36:31 +0800 Received: from localhost (172.21.69.213) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 30 Dec 2020 11:36:31 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH] rtw88: coex: set 4 slot TDMA for BT link and WL busy Date: Wed, 30 Dec 2020 11:36:02 +0800 Message-ID: <20201230033602.13636-1-pkshih@realtek.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-Originating-IP: [172.21.69.213] X-ClientProxiedBy: RTEXMBS01.realtek.com.tw (172.21.6.94) To RTEXMBS04.realtek.com.tw (172.21.6.97) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org To protect both of WL/BT performance while BT is under re-link state. 4-slot mode TDMA can make the re-link more sensitive and mitigate the WL throughput drop. Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/coex.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index 24530cafcba7..ea2be1e25065 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -1607,6 +1607,7 @@ static void rtw_coex_action_bt_relink(struct rtw_dev *rtwdev) struct rtw_efuse *efuse = &rtwdev->efuse; struct rtw_chip_info *chip = rtwdev->chip; u8 table_case, tdma_case; + u32 slot_type = 0; rtw_dbg(rtwdev, RTW_DBG_COEX, "[BTCoex], %s()\n", __func__); @@ -1618,6 +1619,7 @@ static void rtw_coex_action_bt_relink(struct rtw_dev *rtwdev) table_case = 26; if (coex_stat->bt_hid_exist && coex_stat->bt_profile_num == 1) { + slot_type = TDMA_4SLOT; tdma_case = 20; } else { tdma_case = 20; @@ -1635,7 +1637,7 @@ static void rtw_coex_action_bt_relink(struct rtw_dev *rtwdev) } rtw_coex_table(rtwdev, false, table_case); - rtw_coex_tdma(rtwdev, false, tdma_case); + rtw_coex_tdma(rtwdev, false, tdma_case | slot_type); } static void rtw_coex_action_bt_idle(struct rtw_dev *rtwdev)