Enable MU-MIMO interference cancellation (MUIC) to yield expected performance of receiving MU-MIMO packets on 6GHz. Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> --- drivers/net/wireless/realtek/rtw89/reg.h | 2 ++ drivers/net/wireless/realtek/rtw89/rtw8852c.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index d75894895dc7b..2537fee1125e5 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -3674,6 +3674,8 @@ #define R_S1_ADDCK 0x3E00 #define B_S1_ADDCK_I GENMASK(9, 0) #define B_S1_ADDCK_Q GENMASK(19, 10) +#define R_MUIC 0x40F8 +#define B_MUIC_EN BIT(0) #define R_DCFO 0x4264 #define B_DCFO GENMASK(1, 0) #define R_SEG0CSI 0x42AC diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 32f5077c1bcb6..a30b723cc992e 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -1791,6 +1791,11 @@ static void rtw8852c_set_channel_bb(struct rtw89_dev *rtwdev, } } + if (chan->band_type == RTW89_BAND_6G) + rtw89_phy_write32_set(rtwdev, R_MUIC, B_MUIC_EN); + else + rtw89_phy_write32_clr(rtwdev, R_MUIC, B_MUIC_EN); + rtw8852c_bb_reset_all(rtwdev, phy_idx); } -- 2.25.1
