From patchwork Fri Sep 16 03:38:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 607164 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4ED7ECAAD3 for ; Fri, 16 Sep 2022 03:39:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229997AbiIPDjT (ORCPT ); Thu, 15 Sep 2022 23:39:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229761AbiIPDi7 (ORCPT ); Thu, 15 Sep 2022 23:38:59 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 45DDB9DB55 for ; Thu, 15 Sep 2022 20:38:58 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 28G3cTn75003901, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36504.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 28G3cTn75003901 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Fri, 16 Sep 2022 11:38:29 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36504.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Fri, 16 Sep 2022 11:38:51 +0800 Received: from localhost (172.21.69.188) 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 15.1.2375.7; Fri, 16 Sep 2022 11:38:50 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 3/7] wifi: rtw89: pci: update LTR settings Date: Fri, 16 Sep 2022 11:38:07 +0800 Message-ID: <20220916033811.13862-4-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220916033811.13862-1-pkshih@realtek.com> References: <20220916033811.13862-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: trusted connection X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 09/16/2022 02:51:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5_tw?b?Q2xlYW4sIGJhc2VzOiAyMDIyLzkvMTUgpFWkyCAxMDo1?= =?big5_tw?b?NzowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36504.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Modify PCI LTR control flow and LTR idle latency to improve power save efficiency. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/pci.c | 8 ++++---- drivers/net/wireless/realtek/rtw89/reg.h | 1 + 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index d2cbe0468cd78..71cc4e9093718 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -2491,15 +2491,15 @@ int rtw89_pci_ltr_set(struct rtw89_dev *rtwdev, bool en) if (rtw89_pci_ltr_is_err_reg_val(val)) return -EINVAL; - rtw89_write32_clr(rtwdev, R_AX_LTR_CTRL_0, B_AX_LTR_HW_EN); - rtw89_write32_set(rtwdev, R_AX_LTR_CTRL_0, B_AX_LTR_EN); + rtw89_write32_set(rtwdev, R_AX_LTR_CTRL_0, B_AX_LTR_HW_EN | B_AX_LTR_EN | + B_AX_LTR_WD_NOEMP_CHK); rtw89_write32_mask(rtwdev, R_AX_LTR_CTRL_0, B_AX_LTR_SPACE_IDX_MASK, PCI_LTR_SPC_500US); rtw89_write32_mask(rtwdev, R_AX_LTR_CTRL_0, B_AX_LTR_IDLE_TIMER_IDX_MASK, - PCI_LTR_IDLE_TIMER_800US); + PCI_LTR_IDLE_TIMER_3_2MS); rtw89_write32_mask(rtwdev, R_AX_LTR_CTRL_1, B_AX_LTR_RX0_TH_MASK, 0x28); rtw89_write32_mask(rtwdev, R_AX_LTR_CTRL_1, B_AX_LTR_RX1_TH_MASK, 0x28); - rtw89_write32(rtwdev, R_AX_LTR_IDLE_LATENCY, 0x88e088e0); + rtw89_write32(rtwdev, R_AX_LTR_IDLE_LATENCY, 0x90039003); rtw89_write32(rtwdev, R_AX_LTR_ACTIVE_LATENCY, 0x880b880b); return 0; diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index 32605841c98c4..aa164ec0cc5af 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -479,6 +479,7 @@ #define R_AX_LTR_CTRL_0 0x8410 #define B_AX_LTR_SPACE_IDX_MASK GENMASK(13, 12) #define B_AX_LTR_IDLE_TIMER_IDX_MASK GENMASK(10, 8) +#define B_AX_LTR_WD_NOEMP_CHK BIT(6) #define B_AX_APP_LTR_ACT BIT(5) #define B_AX_APP_LTR_IDLE BIT(4) #define B_AX_LTR_EN BIT(1)