rtw88: 8822c: Enable interrupt migration

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 <[email protected]> Signed-off-by: Yan-Hsuan Chuang <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
josf · Sep 13, 2019 · bc61ae9 · bc61ae9
1 parent dfcd0f5
commit bc61ae9
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diff --git 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
@@ -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;
 }