This is a note to let you know that I've just added the patch titled
wifi: rtw89: 8852b: rfk: fine tune IQK parameters to improve performance on 2GHz band
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-rtw89-8852b-rfk-fine-tune-iqk-parameters-to-imp.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f95e1824624217cf82d348617acf522cb3ecc2a2
Author: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Date: Thu Aug 3 19:01:50 2023 +0800
wifi: rtw89: 8852b: rfk: fine tune IQK parameters to improve performance on 2GHz band
[ Upstream commit b3bfc4fb1edc8136396ece2d7204c2ee5cae188d ]
A few samples get bad performance on 2GHz band, so use proper IQK command
code and select another group to have wider range of calibration value.
Fixes: f2abe804e823 ("wifi: rtw89: 8852b: rfk: add IQK")
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230803110150.8457-1-pkshih@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
index 722ae34b09c1f..b6fccb1cb7a5c 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
@@ -846,7 +846,7 @@ static bool _iqk_one_shot(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx,
case ID_NBTXK:
rtw89_phy_write32_mask(rtwdev, R_P0_RFCTM, B_P0_RFCTM_EN, 0x0);
rtw89_phy_write32_mask(rtwdev, R_IQK_DIF4, B_IQK_DIF4_TXT, 0x011);
- iqk_cmd = 0x308 | (1 << (4 + path));
+ iqk_cmd = 0x408 | (1 << (4 + path));
break;
case ID_NBRXK:
rtw89_phy_write32_mask(rtwdev, R_P0_RFCTM, B_P0_RFCTM_EN, 0x1);
@@ -1078,7 +1078,7 @@ static bool _iqk_nbtxk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx, u8
{
struct rtw89_iqk_info *iqk_info = &rtwdev->iqk;
bool kfail;
- u8 gp = 0x3;
+ u8 gp = 0x2;
switch (iqk_info->iqk_band[path]) {
case RTW89_BAND_2G:
