Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Authenticated-By: 
From:   Ping-Ke Shih <pkshih@realtek.com>
To:     <kvalo@kernel.org>
CC:     <linux-wireless@vger.kernel.org>
Subject: [PATCH 2/3] wifi: rtw89: 8852c: rfk: correct DPK settings
Date:   Fri, 9 Dec 2022 10:09:39 +0800
Message-ID: <20221209020940.9573-3-pkshih@realtek.com>
In-Reply-To: <20221209020940.9573-1-pkshih@realtek.com>
References: <20221209020940.9573-1-pkshih@realtek.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7BIT
Content-Type:   text/plain; charset=US-ASCII
X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering
 rules found
X-KSE-Antivirus-Interceptor-Info: scan successful
X-KSE-Antivirus-Info: =?big5?B?Q2xlYW4sIGJhc2VzOiAyMDIyLzEyLzkgpFekyCAxMjoyMzowMA==?=
X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE,
        SPF_PASS autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-wireless.vger.kernel.org>
X-Mailing-List: linux-wireless@vger.kernel.org

Some DPK settings are wrong, and causes bad TX performance occasionally.
So, fix them by internal suggestions.

Fixes: da4cea16cb13 ("rtw89: 8852c: rfk: add DPK")
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/reg.h          | 2 ++
 drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c | 9 ++++-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 5324e645728bb..ca6f6c3e63095 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -3671,6 +3671,8 @@
 #define RR_TXRSV_GAPK BIT(19)
 #define RR_BIAS 0x5e
 #define RR_BIAS_GAPK BIT(19)
+#define RR_TXAC 0x5f
+#define RR_TXAC_IQG GENMASK(3, 0)
 #define RR_BIASA 0x60
 #define RR_BIASA_TXG GENMASK(15, 12)
 #define RR_BIASA_TXA GENMASK(19, 16)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
index f5b0b57f33207..f3a07b0e672f7 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
@@ -1872,12 +1872,11 @@ static void _dpk_rf_setting(struct rtw89_dev *rtwdev, u8 gain,
 			       0x50101 | BIT(rtwdev->dbcc_en));
 		rtw89_write_rf(rtwdev, path, RR_MOD_V1, RR_MOD_MASK, RF_DPK);
 
-		if (dpk->bp[path][kidx].band == RTW89_BAND_6G && dpk->bp[path][kidx].ch >= 161) {
+		if (dpk->bp[path][kidx].band == RTW89_BAND_6G && dpk->bp[path][kidx].ch >= 161)
 			rtw89_write_rf(rtwdev, path, RR_IQGEN, RR_IQGEN_BIAS, 0x8);
-			rtw89_write_rf(rtwdev, path, RR_LOGEN, RR_LOGEN_RPT, 0xd);
-		} else {
-			rtw89_write_rf(rtwdev, path, RR_LOGEN, RR_LOGEN_RPT, 0xd);
-		}
+
+		rtw89_write_rf(rtwdev, path, RR_LOGEN, RR_LOGEN_RPT, 0xd);
+		rtw89_write_rf(rtwdev, path, RR_TXAC, RR_TXAC_IQG, 0x8);
 
 		rtw89_write_rf(rtwdev, path, RR_RXA2, RR_RXA2_ATT, 0x0);
 		rtw89_write_rf(rtwdev, path, RR_TXIQK, RR_TXIQK_ATT2, 0x3);
-- 
2.25.1