From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D223315E5B7; Sun, 24 Mar 2024 22:38:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711319937; cv=none; b=ZPJjB/eIQiAU73PlmhkJYAdX1xSrWLnl8PmTSwXr4HlY9sVY8pUdJngrO2S7CiTRQBlKY/T13xkkZnL9QyFgpxfm85QFKBY/M9phPMcr0MfQxxiPTX//nJpBUuDRsvh3csHY7NaQXPfS4MQngLe2k/anKcs3f4Tsea+d5dmqwCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711319937; c=relaxed/simple; bh=v/fESFmUSW40UM2hj5S3JboOxncvfxWDP/34gyFSfCA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dlKG2MHbH0+TEKOLlr1NaBVByqHd4qJtv0R7mjdYAkdbHBPc0Y5YUDJhf9hQVImIwOei/JGAZrbRNNln026FuXxWhiVoChenLhux0cf4vFiVPmXYVxPckoRT9bUESL5BWrV3JBdlaRDJBCwilapSiNelDgaki9qEJsrxdCZnxyY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=fail (0-bit key) header.d=kernel.org header.i=@kernel.org header.b=pJp7UYrW reason="key not found in DNS"; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=kernel.org header.i=@kernel.org header.b="pJp7UYrW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A91B8C43394; Sun, 24 Mar 2024 22:38:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711319937; bh=v/fESFmUSW40UM2hj5S3JboOxncvfxWDP/34gyFSfCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pJp7UYrWfP7RyejAgJTBBCnGQoPcbdNTcPjjBf9P0czhjUh6P5XF8PO/uVPrRFF2L lVbhxJM50nfvQHlxY4nbYmJDJE6h3jj6pvko4XG6sBpUV/u/ZwkNunxSQAcemMF4uB jNoYGBxmhK+D/pLMk7SRxn987fDmvvOGafLoWe9pwtEDoW6Y9FpOFLlg6GaP2isQQM Ql+qKoNH407GAPhFIgPiREc3LDxdRw2a/xfrPdRemoD7TN9pMhdiHQg5Qqt5MxzWRd ut0N8NZ9WBvWPA+Sw9Q+SJXhywLgomkdMv8AYgHuGywYszojm9ytp0SxbFWQ0pwxdv J21ezQeCFVg6Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Deren Wu , Ming Yen Hsieh , Felix Fietkau , Sasha Levin Subject: [PATCH 6.8 243/715] wifi: mt76: mt7925: update PCIe DMA settings Date: Sun, 24 Mar 2024 18:27:02 -0400 Message-ID: <20240324223455.1342824-244-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324223455.1342824-1-sashal@kernel.org> References: <20240324223455.1342824-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Deren Wu [ Upstream commit 0844947ccf64ea45edf6619ae2ba6dd9098b3308 ] Fix the wrong WFDMA settings to improve TX performance. Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips") Signed-off-by: Deren Wu Signed-off-by: Ming Yen Hsieh Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt792x_dma.c | 13 ++++++++++--- drivers/net/wireless/mediatek/mt76/mt792x_regs.h | 5 +++++ 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_dma.c b/drivers/net/wireless/mediatek/mt76/mt792x_dma.c index 488326ce5ed4d..8fa36b59e738d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt792x_dma.c @@ -123,14 +123,13 @@ static void mt792x_dma_prefetch(struct mt792x_dev *dev) int mt792x_dma_enable(struct mt792x_dev *dev) { - if (is_mt7925(&dev->mt76)) - mt76_rmw(dev, MT_UWFDMA0_GLO_CFG_EXT1, BIT(28), BIT(28)); - /* configure perfetch settings */ mt792x_dma_prefetch(dev); /* reset dma idx */ mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0); + if (is_mt7925(&dev->mt76)) + mt76_wr(dev, MT_WFDMA0_RST_DRX_PTR, ~0); /* configure delay interrupt */ mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0); @@ -140,12 +139,20 @@ int mt792x_dma_enable(struct mt792x_dev *dev) MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN | MT_WFDMA0_GLO_CFG_CLK_GAT_DIS | MT_WFDMA0_GLO_CFG_OMIT_TX_INFO | + FIELD_PREP(MT_WFDMA0_GLO_CFG_DMA_SIZE, 3) | + MT_WFDMA0_GLO_CFG_FIFO_DIS_CHECK | + MT_WFDMA0_GLO_CFG_RX_WB_DDONE | MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN | MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2); mt76_set(dev, MT_WFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); + if (is_mt7925(&dev->mt76)) { + mt76_rmw(dev, MT_UWFDMA0_GLO_CFG_EXT1, BIT(28), BIT(28)); + mt76_set(dev, MT_WFDMA0_INT_RX_PRI, 0x0F00); + mt76_set(dev, MT_WFDMA0_INT_TX_PRI, 0x7F00); + } mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); /* enable interrupts for TX/RX rings */ diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_regs.h b/drivers/net/wireless/mediatek/mt76/mt792x_regs.h index d7f9b24cd665f..458cfd0260b13 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt792x_regs.h @@ -292,9 +292,12 @@ #define MT_WFDMA0_GLO_CFG_TX_DMA_BUSY BIT(1) #define MT_WFDMA0_GLO_CFG_RX_DMA_EN BIT(2) #define MT_WFDMA0_GLO_CFG_RX_DMA_BUSY BIT(3) +#define MT_WFDMA0_GLO_CFG_DMA_SIZE GENMASK(5, 4) #define MT_WFDMA0_GLO_CFG_TX_WB_DDONE BIT(6) #define MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL BIT(9) +#define MT_WFDMA0_GLO_CFG_FIFO_DIS_CHECK BIT(11) #define MT_WFDMA0_GLO_CFG_FIFO_LITTLE_ENDIAN BIT(12) +#define MT_WFDMA0_GLO_CFG_RX_WB_DDONE BIT(13) #define MT_WFDMA0_GLO_CFG_CSR_DISP_BASE_PTR_CHAIN_EN BIT(15) #define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 BIT(21) #define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO BIT(27) @@ -322,6 +325,8 @@ #define MT_WFDMA0_RST_DTX_PTR MT_WFDMA0(0x20c) #define MT_WFDMA0_RST_DRX_PTR MT_WFDMA0(0x280) +#define MT_WFDMA0_INT_RX_PRI MT_WFDMA0(0x298) +#define MT_WFDMA0_INT_TX_PRI MT_WFDMA0(0x29c) #define MT_WFDMA0_GLO_CFG_EXT0 MT_WFDMA0(0x2b0) #define MT_WFDMA0_CSR_TX_DMASHDL_ENABLE BIT(6) #define MT_WFDMA0_PRI_DLY_INT_CFG0 MT_WFDMA0(0x2f0) -- 2.43.0