4 files changed, 43 insertions, 9 deletions

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c
index d069a81ac617..cc699efa9c79 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c
@@ -352,7 +352,6 @@ static const struct usb_device_id rtl8192d_usb_ids[] = {
 	{RTL_USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x8194, rtl92du_hal_cfg)},
 	{RTL_USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x8111, rtl92du_hal_cfg)},
 	{RTL_USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x0193, rtl92du_hal_cfg)},
-	{RTL_USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x8171, rtl92du_hal_cfg)},
 	{RTL_USB_DEVICE(USB_VENDOR_ID_REALTEK, 0xe194, rtl92du_hal_cfg)},
 	{RTL_USB_DEVICE(0x2019, 0xab2c, rtl92du_hal_cfg)},
 	{RTL_USB_DEVICE(0x2019, 0xab2d, rtl92du_hal_cfg)},
diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
index e83ab6fb83f5..b17a429bcd29 100644
--- a/drivers/net/wireless/realtek/rtw88/usb.c
+++ b/drivers/net/wireless/realtek/rtw88/usb.c
@@ -771,7 +771,6 @@ static void rtw_usb_dynamic_rx_agg_v1(struct rtw_dev *rtwdev, bool enable)
 	u8 size, timeout;
 	u16 val16;
 
-	rtw_write32_set(rtwdev, REG_RXDMA_AGG_PG_TH, BIT_EN_PRE_CALC);
 	rtw_write8_set(rtwdev, REG_TXDMA_PQ_MAP, BIT_RXDMA_AGG_EN);
 	rtw_write8_clr(rtwdev, REG_RXDMA_AGG_PG_TH + 3, BIT(7));
 
diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c
index df51b29142aa..8d27374db83c 100644
--- a/drivers/net/wireless/realtek/rtw89/coex.c
+++ b/drivers/net/wireless/realtek/rtw89/coex.c
@@ -6445,6 +6445,8 @@ static void _update_wl_info_v7(struct rtw89_dev *rtwdev, u8 rid)
 
 	/* todo DBCC related event */
 	rtw89_debug(rtwdev, RTW89_DBG_BTC, "[BTC] wl_info phy_now=%d\n", phy_now);
+	rtw89_debug(rtwdev, RTW89_DBG_BTC,
+		    "[BTC] rlink cnt_2g=%d cnt_5g=%d\n", cnt_2g, cnt_5g);
 
 	if (wl_rinfo->dbcc_en != rtwdev->dbcc_en) {
 		wl_rinfo->dbcc_chg = 1;
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 02afeb3acce4..5aef7fa37878 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -3026,24 +3026,54 @@ static void rtw89_pci_declaim_device(struct rtw89_dev *rtwdev,
 	pci_disable_device(pdev);
 }
 
-static void rtw89_pci_cfg_dac(struct rtw89_dev *rtwdev)
+static bool rtw89_pci_chip_is_manual_dac(struct rtw89_dev *rtwdev)
 {
-	struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv;
 	const struct rtw89_chip_info *chip = rtwdev->chip;
 
-	if (!rtwpci->enable_dac)
-		return;
-
 	switch (chip->chip_id) {
 	case RTL8852A:
 	case RTL8852B:
 	case RTL8851B:
 	case RTL8852BT:
-		break;
+		return true;
 	default:
-		return;
+		return false;
+	}
+}
+
+static bool rtw89_pci_is_dac_compatible_bridge(struct rtw89_dev *rtwdev)
+{
+	struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv;
+	struct pci_dev *bridge = pci_upstream_bridge(rtwpci->pdev);
+
+	if (!rtw89_pci_chip_is_manual_dac(rtwdev))
+		return true;
+
+	if (!bridge)
+		return false;
+
+	switch (bridge->vendor) {
+	case PCI_VENDOR_ID_INTEL:
+		return true;
+	case PCI_VENDOR_ID_ASMEDIA:
+		if (bridge->device == 0x2806)
+			return true;
+		break;
 	}
 
+	return false;
+}
+
+static void rtw89_pci_cfg_dac(struct rtw89_dev *rtwdev)
+{
+	struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv;
+
+	if (!rtwpci->enable_dac)
+		return;
+
+	if (!rtw89_pci_chip_is_manual_dac(rtwdev))
+		return;
+
 	rtw89_pci_config_byte_set(rtwdev, RTW89_PCIE_L1_CTRL, RTW89_PCIE_BIT_EN_64BITS);
 }
 
@@ -3061,6 +3091,9 @@ static int rtw89_pci_setup_mapping(struct rtw89_dev *rtwdev,
 		goto err;
 	}
 
+	if (!rtw89_pci_is_dac_compatible_bridge(rtwdev))
+		goto no_dac;
+
 	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36));
 	if (!ret) {
 		rtwpci->enable_dac = true;
@@ -3073,6 +3106,7 @@ static int rtw89_pci_setup_mapping(struct rtw89_dev *rtwdev,
 			goto err_release_regions;
 		}
 	}
+no_dac:
 
 	resource_len = pci_resource_len(pdev, bar_id);
 	rtwpci->mmap = pci_iomap(pdev, bar_id, resource_len);