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From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 26 Aug 2020 16:58:55 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: use larger burst size for
qdma tx
Improves tx performance
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2187,7 +2187,7 @@ static int mtk_start_dma(struct mtk_eth
if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) {
mtk_w32(eth,
MTK_TX_WB_DDONE | MTK_TX_DMA_EN |
- MTK_DMA_SIZE_16DWORDS | MTK_NDP_CO_PRO |
+ MTK_TX_BT_32DWORDS | MTK_NDP_CO_PRO |
MTK_RX_DMA_EN | MTK_RX_2B_OFFSET |
MTK_RX_BT_32DWORDS,
MTK_QDMA_GLO_CFG);
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -197,7 +197,7 @@
#define MTK_RX_BT_32DWORDS (3 << 11)
#define MTK_NDP_CO_PRO BIT(10)
#define MTK_TX_WB_DDONE BIT(6)
-#define MTK_DMA_SIZE_16DWORDS (2 << 4)
+#define MTK_TX_BT_32DWORDS (3 << 4)
#define MTK_RX_DMA_BUSY BIT(3)
#define MTK_TX_DMA_BUSY BIT(1)
#define MTK_RX_DMA_EN BIT(2)
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