From bc61ae96437fb178ca27714967fd8acf1cd91336 Mon Sep 17 00:00:00 2001
From: Tsang-Shian Lin <thlin@realtek.com>
Date: Mon, 9 Sep 2019 15:16:06 +0800
Subject: [PATCH] rtw88: 8822c: Enable interrupt migration
Git-commit: bc61ae96437fb178ca27714967fd8acf1cd91336
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430, bsc#1176741
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>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 0bd0717baa8b..78ad053a8bf0 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 b072d432e1e2..e11bbc37120a 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;
}
--
2.16.4