From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0AEC2D232F4 for ; Fri, 9 Jan 2026 08:38:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZlV+FCqbjD6+h+ag2H39gXPkGPDcciCk/DCJ8sN18MY=; b=PNAyfAEls9wScj pAvyV5q7vLXX9edjjp5rDVUy8Ge09iS3YvVY8Qywcshv1aEqmFZFkJjflsoe3+1l+GRlaFQcvFzSJ /REW2MMv93yyi9+KPq+T9a6Ce/xn9zhdGiC7vtTmd1/7SykqzmxcCP8TdrTu/uqMSJAA7RW/SC2MO RL/gTPN3ZlgmIEKS09/80ABfHoy1INgKxi/dl0Xw+HkINRduMJ+wDueKNkN/brTUhvi08j18naN04 9w2naIdYqhSPnrc5n0Y2FYZKC9UjmeInzVbh++JtBxRTLpjID5H9Smx1zpkHMcFXSLriJsOb4OfOT JqHAkdOgGePGIanSShWg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ve81B-00000001vCJ-3Mlt; Fri, 09 Jan 2026 08:38:49 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ve818-00000001vAw-2c6U; Fri, 09 Jan 2026 08:38:47 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id ACC50443E2; Fri, 9 Jan 2026 08:38:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B998C2BCB0; Fri, 9 Jan 2026 08:38:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767947925; bh=a98W+72H+QrvZTa+W7QmD1B9sIhKMP4/j8pKEcILt+U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AsCBqrk0vvLVhmih7qPc+AeKhH4Pu47oQfOdgYtmjO9go4kvStnPT8U3A8pvQHnNI j/2kTuMLpbzENN+/r4sdyNRrbMSiLsPU71fe7eBoMNvAgrKGKZLhzrjeuwruQMKK74 wJ+PPJWdBrCml+yurM4+bZY6f7ptpb3sNGKBg7TAlvPCnZCfYLvW19QGbfJTO0W2YC hnVk5mUB7BbOWQBXqdlnjBBzil5KyFGzn9Z/Op3ivQM9ivLZ5W2d66JSiFwFqDgwMT ZqLE5NpDbCE/od6DnBMdYLvrcwA7gtQwDR96DDsVAghy/rf4TUUsZvH2HFWO2/rybu KFcL9DzNhOKTA== Date: Fri, 9 Jan 2026 09:38:38 +0100 From: Niklas Cassel To: Hans Zhang <18255117159@163.com> Cc: lpieralisi@kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, helgaas@kernel.org, heiko@sntech.de, mani@kernel.org, yue.wang@amlogic.com, pali@kernel.org, neil.armstrong@linaro.org, robh@kernel.org, jingoohan1@gmail.com, khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH v7 0/2] PCI: Configure Root Port MPS during host probing Message-ID: References: <20251127170908.14850-1-18255117159@163.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20251127170908.14850-1-18255117159@163.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260109_003846_677757_29F7750E X-CRM114-Status: UNSURE ( 6.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On Fri, Nov 28, 2025 at 01:09:06AM +0800, Hans Zhang wrote: > Current PCIe initialization exhibits a key optimization gap: Root Ports > may operate with non-optimal Maximum Payload Size (MPS) settings. While > downstream device configuration is handled during bus enumeration, Root > Port MPS values inherited from firmware or hardware defaults often fail > to utilize the full capabilities supported by controller hardware. This > results in suboptimal data transfer efficiency throughout the PCIe > hierarchy. Hello PCI maintainers, any chance for this series to be applied? Kind regards, Niklas _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip