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 7AC3954BD4; Wed, 30 Oct 2024 07:41:41 +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=1730274101; cv=none; b=RnWnjg/iZD+I8rPZiHcm6HiHYaB0CdqS3y7RAmsAHKOVK9PkX0F2lUZ/yg5vRK0OcUDC5ltznIjUSv9TkSC3RZmqsy1EbJzFgwOd4BGVBsNQzommHoiJSvtidVlYfnjmoR3tjGF7uWdtnoSJTCwd9ryMgjxAjzQS2TDL7t3Wzl0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730274101; c=relaxed/simple; bh=FsOVZqSRJU7cZMV54PKXbTGF5CocTT15s1Oyg7KJL6s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bdvIeuSGJleFpRxdiWb7TwbYwuyDjCRr9DeqBqsyUiMMBNa8FpT6TOdxWpR6eZl7sdedxCoq9QA7MB4Flf58sDPorByZa2JeI+zRKcFmGImkpg6T2kL03JATuaB1ehisBgAmnPcdZQ9rihtvjXpp1bXwzqY9ErLIdWnahiZsh18= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BFQHKEWn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BFQHKEWn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6DB0C4CEE4; Wed, 30 Oct 2024 07:41:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730274100; bh=FsOVZqSRJU7cZMV54PKXbTGF5CocTT15s1Oyg7KJL6s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=BFQHKEWnVjk42ISHNCC4SuQvjKoQJ52XE4I39Xi6QUgp2APgmzTAwQbZ895OHemqq OalGvu4zbNRq54ND0010sOsTloLBSXpH6cMqm5LqjylXXGZuInbgYhWLNjaCzoIW2F XL7Aa4Bym7PDTYzu3MiOd0/Y/hgze35cIKyWDp+Wv7Eu2RCUcRqX5aYVGTt9cZ2oLB Qkipq4Bm/I/QCSOdbwCo72bIlhOGjl52YoJqGCam3+jf3olBtrKMWSHPvGFpwMkl7d S1f35A2qAuFf+NeCno1I0ZhH3eET9rJ8NuHXn90Usqo+Me7OjPO0ZyINoouvtRsPe7 NQMr0nAMZGW4w== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1t63L6-000000007fm-1iFO; Wed, 30 Oct 2024 08:42:00 +0100 Date: Wed, 30 Oct 2024 08:42:00 +0100 From: Johan Hovold To: Manivannan Sadhasivam Cc: Qiang Yu , vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, andersson@kernel.org, konradybcio@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, abel.vesa@linaro.org, quic_msarkar@quicinc.com, quic_devipriy@quicinc.com, dmitry.baryshkov@linaro.org, kw@linux.com, lpieralisi@kernel.org, neil.armstrong@linaro.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, johan+linaro@kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v7 6/7] PCI: qcom: Disable ASPM L0s and remove BDF2SID mapping config for X1E80100 SoC Message-ID: References: <20241017030412.265000-1-quic_qianyu@quicinc.com> <20241017030412.265000-7-quic_qianyu@quicinc.com> <91395c5e-22a0-4117-a4b5-4985284289ab@quicinc.com> <250bce05-a095-4eb3-a445-70bbf4366526@quicinc.com> <20241030071851.sdm3fu6ecaddoiit@thinkpad> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241030071851.sdm3fu6ecaddoiit@thinkpad> On Wed, Oct 30, 2024 at 12:48:51PM +0530, Manivannan Sadhasivam wrote: > On Wed, Oct 30, 2024 at 08:15:05AM +0100, Johan Hovold wrote: > > Also, are there any Qualcomm platforms that actually support L0s? > > Perhaps we should just disable it everywhere? > > Most of the mobile chipsets from Qcom support L0s. It is not supported only on > the compute ones. So we cannot disable it everywhere. > > Again, it is not the hw issue but the PHY init sequence not tuned support L0s. Right, this should be mentioned in the commit message. Johan 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 C3BC3D7495E for ; Wed, 30 Oct 2024 07:42:10 +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=ZIab0AlAVwyGjafCh9jS4xIx+zU77NfgXdriiQQa07U=; b=xCuj/s3wGQN4EI c9tCktcpGAZX5NWJ66pAZxEm4QQzHd9TgHBYPtKzVRus67C30sS+qv0Fu7gXUCkaSpH58gnZ2P21X GqigUkHsDidNDZnCyAVTc48DaU/whUQ7wf81XMe7SgfmCq5fApiEFI8I601/2K1+4Sga0tRnySbUK zxrAQZdR22I/8v6tv9k/uVLauSL1I/oWvTvNqs8jLf4aV9gz9vuUyPQuhP39ptyCrIzwRQBshdcmR C+2Pm+8NSmSpET1GtnROBdljUwiExoy3rytKIGfg3sSHLIOFhFuombH62qFD5x+18AnaAHsnif9l4 riObOQmQ1tu46kOcPqtw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t63LG-0000000HAwG-0utJ; Wed, 30 Oct 2024 07:42:10 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t63Kn-0000000HAqB-3bCO for linux-phy@lists.infradead.org; Wed, 30 Oct 2024 07:41:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 3DD345C54BC; Wed, 30 Oct 2024 07:40:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6DB0C4CEE4; Wed, 30 Oct 2024 07:41:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730274100; bh=FsOVZqSRJU7cZMV54PKXbTGF5CocTT15s1Oyg7KJL6s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=BFQHKEWnVjk42ISHNCC4SuQvjKoQJ52XE4I39Xi6QUgp2APgmzTAwQbZ895OHemqq OalGvu4zbNRq54ND0010sOsTloLBSXpH6cMqm5LqjylXXGZuInbgYhWLNjaCzoIW2F XL7Aa4Bym7PDTYzu3MiOd0/Y/hgze35cIKyWDp+Wv7Eu2RCUcRqX5aYVGTt9cZ2oLB Qkipq4Bm/I/QCSOdbwCo72bIlhOGjl52YoJqGCam3+jf3olBtrKMWSHPvGFpwMkl7d S1f35A2qAuFf+NeCno1I0ZhH3eET9rJ8NuHXn90Usqo+Me7OjPO0ZyINoouvtRsPe7 NQMr0nAMZGW4w== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1t63L6-000000007fm-1iFO; Wed, 30 Oct 2024 08:42:00 +0100 Date: Wed, 30 Oct 2024 08:42:00 +0100 From: Johan Hovold To: Manivannan Sadhasivam Cc: Qiang Yu , vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, andersson@kernel.org, konradybcio@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, abel.vesa@linaro.org, quic_msarkar@quicinc.com, quic_devipriy@quicinc.com, dmitry.baryshkov@linaro.org, kw@linux.com, lpieralisi@kernel.org, neil.armstrong@linaro.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, johan+linaro@kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v7 6/7] PCI: qcom: Disable ASPM L0s and remove BDF2SID mapping config for X1E80100 SoC Message-ID: References: <20241017030412.265000-1-quic_qianyu@quicinc.com> <20241017030412.265000-7-quic_qianyu@quicinc.com> <91395c5e-22a0-4117-a4b5-4985284289ab@quicinc.com> <250bce05-a095-4eb3-a445-70bbf4366526@quicinc.com> <20241030071851.sdm3fu6ecaddoiit@thinkpad> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20241030071851.sdm3fu6ecaddoiit@thinkpad> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241030_004141_968127_40E8A59E X-CRM114-Status: GOOD ( 10.69 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Wed, Oct 30, 2024 at 12:48:51PM +0530, Manivannan Sadhasivam wrote: > On Wed, Oct 30, 2024 at 08:15:05AM +0100, Johan Hovold wrote: > > Also, are there any Qualcomm platforms that actually support L0s? > > Perhaps we should just disable it everywhere? > > Most of the mobile chipsets from Qcom support L0s. It is not supported only on > the compute ones. So we cannot disable it everywhere. > > Again, it is not the hw issue but the PHY init sequence not tuned support L0s. Right, this should be mentioned in the commit message. Johan -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy