diff mbox series

[3/8] rtw88: 8822c: Enable interrupt migration

Message ID 1565174405-2689-4-git-send-email-yhchuang@realtek.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series rtw88: enhance and stabilize T-Put performance | expand

Commit Message

Tony Chuang Aug. 7, 2019, 10:40 a.m. UTC 
From: Tsang-Shian Lin <thlin@realtek.com>

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@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/reg.h      | 2 ++
 drivers/net/wireless/realtek/rtw88/rtw8822c.c | 4 ++++
 2 files changed, 6 insertions(+)
diff mbox series

Patch

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;
 }