rtw88: fix DIG min setting

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>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210319054218.3319-4-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c
index e114ddecac0998c7f4252f56cf8043cc6bc52386..f96edc049718b750fb3e998bef999d0cb772f0ea 100644 (file)
--- 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