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 B171F823AC; Mon, 15 Apr 2024 14:35:13 +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=1713191713; cv=none; b=CvJRTrM22TRFTCNyjT/8oQdf5LNOTjZwetIifzDO9DhoL+tb0RqYIgfVQ9Yx4WvxMAIl61ngrz5Yl/Czdi0vUSgMtE7ErtwshL/1YLYx61X1JoTGoKc5DsyVsLuGbZXNJONbaFozjzdBtU1WxRRGj+fc5o7kfy/FyQIQsu6NVOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713191713; c=relaxed/simple; bh=lAMnPoBlEO0LROpXncPkuu0MDSo/8nB20MsSfDKBZ5U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hiai0aJrfxG9yqMTBbDHJgR3daeBJ4hhJt4f0TYemcb4A2nsaEBiW8eHJg9siEJ1EwCaXg6wz8A8Oa4nnF7T7d/YpARnm9I/cZwpeAh6JdagEgTZzHpJkAvCN1bQrYc1oMD6IeURZqzVAPEosoHG63IMiTGJnnfeJhSV9BMMHls= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=MwjVk7fx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MwjVk7fx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB5C9C4AF07; Mon, 15 Apr 2024 14:35:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1713191713; bh=lAMnPoBlEO0LROpXncPkuu0MDSo/8nB20MsSfDKBZ5U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MwjVk7fxRKEWk7b/WcuHMXzZR3kt1P73KfcEZKPhZgtd226iYIAbY19WirtcUdcvu ozcw5E9866due/+vPi6zeDREDq96FWI4OGUyd9URvC8uldnkVVfTxDIqSR4D510s2J hIkR8ehAn2WXTqEeM+7Nf8FQT7YYTNBGaSOk2TOg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Geetha sowjanya , Paolo Abeni , Sasha Levin Subject: [PATCH 6.6 044/122] octeontx2-af: Fix NIX SQ mode and BP config Date: Mon, 15 Apr 2024 16:20:09 +0200 Message-ID: <20240415141954.688185552@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240415141953.365222063@linuxfoundation.org> References: <20240415141953.365222063@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Geetha sowjanya [ Upstream commit faf23006185e777db18912685922c5ddb2df383f ] NIX SQ mode and link backpressure configuration is required for all platforms. But in current driver this code is wrongly placed under specific platform check. This patch fixes the issue by moving the code out of platform check. Fixes: 5d9b976d4480 ("octeontx2-af: Support fixed transmit scheduler topology") Signed-off-by: Geetha sowjanya Link: https://lore.kernel.org/r/20240408063643.26288-1-gakula@marvell.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- .../ethernet/marvell/octeontx2/af/rvu_nix.c | 20 +++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 58744313f0eb6..f6f6d7c04e8bf 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -4465,18 +4465,18 @@ static int rvu_nix_block_init(struct rvu *rvu, struct nix_hw *nix_hw) */ rvu_write64(rvu, blkaddr, NIX_AF_CFG, rvu_read64(rvu, blkaddr, NIX_AF_CFG) | 0x40ULL); + } - /* Set chan/link to backpressure TL3 instead of TL2 */ - rvu_write64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL, 0x01); + /* Set chan/link to backpressure TL3 instead of TL2 */ + rvu_write64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL, 0x01); - /* Disable SQ manager's sticky mode operation (set TM6 = 0) - * This sticky mode is known to cause SQ stalls when multiple - * SQs are mapped to same SMQ and transmitting pkts at a time. - */ - cfg = rvu_read64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS); - cfg &= ~BIT_ULL(15); - rvu_write64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS, cfg); - } + /* Disable SQ manager's sticky mode operation (set TM6 = 0) + * This sticky mode is known to cause SQ stalls when multiple + * SQs are mapped to same SMQ and transmitting pkts at a time. + */ + cfg = rvu_read64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS); + cfg &= ~BIT_ULL(15); + rvu_write64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS, cfg); ltdefs = rvu->kpu.lt_def; /* Calibrate X2P bus to check if CGX/LBK links are fine */ -- 2.43.0