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From:   Ping-Ke Shih <pkshih@realtek.com>
To:     <tony0620emma@gmail.com>, <kvalo@codeaurora.org>
CC:     <linux-wireless@vger.kernel.org>, <ku920601@realtek.com>,
        <phhuang@realtek.com>, <shaofu@realtek.com>,
        <steventing@realtek.com>, <kevin_yang@realtek.com>
Subject: [PATCH 3/7] rtw88: fix DIG min setting
Date:   Fri, 19 Mar 2021 13:42:14 +0800
Message-ID: <20210319054218.3319-4-pkshih@realtek.com>
In-Reply-To: <20210319054218.3319-1-pkshih@realtek.com>
References: <20210319054218.3319-1-pkshih@realtek.com>
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From: Zong-Zhe Yang <kevin_yang@realtek.com>

DIG min is expected to be set according to chip. And actually we assigned
it under each chip information. However, we didn't use the setting when we
did DIG process. It is unexpected, so we fix it.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/phy.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c
index e114ddecac09..f96edc049718 100644
--- a/drivers/net/wireless/realtek/rtw88/phy.c
+++ b/drivers/net/wireless/realtek/rtw88/phy.c
@@ -316,7 +316,8 @@ rtw_phy_dig_check_damping(struct rtw_dm_info *dm_info)
 	return damping;
 }
 
-static void rtw_phy_dig_get_boundary(struct rtw_dm_info *dm_info,
+static void rtw_phy_dig_get_boundary(struct rtw_dev *rtwdev,
+				     struct rtw_dm_info *dm_info,
 				     u8 *upper, u8 *lower, bool linked)
 {
 	u8 dig_max, dig_min, dig_mid;
@@ -325,8 +326,7 @@ static void rtw_phy_dig_get_boundary(struct rtw_dm_info *dm_info,
 	if (linked) {
 		dig_max = DIG_PERF_MAX;
 		dig_mid = DIG_PERF_MID;
-		/* 22B=0x1c, 22C=0x20 */
-		dig_min = 0x1c;
+		dig_min = rtwdev->chip->dig_min;
 		min_rssi = max_t(u8, dm_info->min_rssi, dig_min);
 	} else {
 		dig_max = DIG_CVRG_MAX;
@@ -437,7 +437,8 @@ static void rtw_phy_dig(struct rtw_dev *rtwdev)
 	 * the peers connected with us, meanwhile make sure the igi value does
 	 * not beyond the hardware limitation
 	 */
-	rtw_phy_dig_get_boundary(dm_info, &upper_bound, &lower_bound, linked);
+	rtw_phy_dig_get_boundary(rtwdev, dm_info, &upper_bound, &lower_bound,
+				 linked);
 	cur_igi = clamp_t(u8, cur_igi, lower_bound, upper_bound);
 
 	/* record current igi value and false alarm statistics for further
-- 
2.21.0