From: Tsang-Shian Lin <thlin@xxxxxxxxxxx> Enable 8822C Tx/Rx interrupt migration. In some platforms, performance test may cause heavy cpu loading and get bad results. Interrupt migration can decrease the amount of interrupts, and lower cpu loading. Signed-off-by: Tsang-Shian Lin <thlin@xxxxxxxxxxx> Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> --- v1 -> v2 * no change drivers/net/wireless/realtek/rtw88/reg.h | 2 ++ drivers/net/wireless/realtek/rtw88/rtw8822c.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h index 0bd0717..78ad053 100644 --- a/drivers/net/wireless/realtek/rtw88/reg.h +++ b/drivers/net/wireless/realtek/rtw88/reg.h @@ -193,6 +193,8 @@ #define REG_H2C_READ_ADDR 0x024C #define REG_H2C_INFO 0x0254 +#define REG_INT_MIG 0x0304 + #define REG_FWHW_TXQ_CTRL 0x0420 #define BIT_EN_BCNQ_DL BIT(22) #define BIT_EN_WR_FREE_TAIL BIT(20) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index b072d43..e11bbc3 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -1114,6 +1114,7 @@ static void rtw8822c_phy_set_param(struct rtw_dev *rtwdev) #define WLAN_MAC_OPT_NORM_FUNC1 0x98 #define WLAN_MAC_OPT_LB_FUNC1 0x80 #define WLAN_MAC_OPT_FUNC2 0x30810041 +#define WLAN_MAC_INT_MIG_CFG 0x33330000 #define WLAN_SIFS_CFG (WLAN_SIFS_CCK_CONT_TX | \ (WLAN_SIFS_OFDM_CONT_TX << BIT_SHIFT_SIFS_OFDM_CTX) | \ @@ -1251,6 +1252,9 @@ static int rtw8822c_mac_init(struct rtw_dev *rtwdev) value16 = BIT_SET_RXPSF_ERRTHR(value16, 0x07); rtw_write16(rtwdev, REG_RXPSF_CTRL, value16); + /* Interrupt migration configuration */ + rtw_write32(rtwdev, REG_INT_MIG, WLAN_MAC_INT_MIG_CFG); + return 0; } -- 2.7.4
