From mboxrd@z Thu Jan 1 00:00:00 1970 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 79EABC433FE for ; Wed, 22 Sep 2021 02:37:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D5B2611AD for ; Wed, 22 Sep 2021 02:37:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229931AbhIVCin (ORCPT ); Tue, 21 Sep 2021 22:38:43 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:60320 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229900AbhIVCim (ORCPT ); Tue, 21 Sep 2021 22:38:42 -0400 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 18M2b72X1024572, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36503.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 18M2b72X1024572 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 22 Sep 2021 10:37:07 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36503.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Wed, 22 Sep 2021 10:37:07 +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 15.1.2106.2; Wed, 22 Sep 2021 10:37:06 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH 2/2] rtw88: 8821c: correct 2.4G tx power for type 2/4 NIC Date: Wed, 22 Sep 2021 10:36:37 +0800 Message-ID: <20210922023637.9357-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210922023637.9357-1-pkshih@realtek.com> References: <20210922023637.9357-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII 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: 09/22/2021 02:12:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5?B?Q2xlYW4sIGJhc2VzOiAyMDIxLzkvMjIgpFekyCAwMTowNjowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36503.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 From: Guo-Feng Fan NIC card saves calibrated TX power index in the efuse(ROM). Driver loads TX power idex when interface is up. The problem is type2/4 NICs loads 2.4G TX power index from wrong position. This patch corrects the offsets. So, driver loads real 2.4G TX power index for type 2/4 NICs. 2.4G performance increased when using correct TX power index. Signed-off-by: Guo-Feng Fan Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/rtw8821c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 3effdf902f22..80a6f4da6acd 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -61,6 +61,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) for (i = 0; i < 4; i++) efuse->txpwr_idx_table[i] = map->txpwr_idx_table[i]; + if (rtwdev->efuse.rfe_option == 2 || rtwdev->efuse.rfe_option == 4) + efuse->txpwr_idx_table[0].pwr_idx_2g = map->txpwr_idx_table[1].pwr_idx_2g; + switch (rtw_hci_type(rtwdev)) { case RTW_HCI_TYPE_PCIE: rtw8821ce_efuse_parsing(efuse, map); -- 2.25.1