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Wed, 30 Oct 2024 07:56:52 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 49U7upce020939 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 30 Oct 2024 07:56:51 GMT Received: from [10.239.29.179] (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 30 Oct 2024 00:56:45 -0700 Message-ID: <58e5dbbf-7c35-49ae-b2ff-954fc0e3fe48@quicinc.com> Date: Wed, 30 Oct 2024 15:56:42 +0800 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 6/7] PCI: qcom: Disable ASPM L0s and remove BDF2SID mapping config for X1E80100 SoC To: Johan Hovold , Manivannan Sadhasivam CC: , , , , , , , , , , , , , , , , , , , , , , , 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> Content-Language: en-US From: Qiang Yu In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: D5Cb7mxE4A_JpgHN_bxxcjll1VkaFGrq X-Proofpoint-ORIG-GUID: D5Cb7mxE4A_JpgHN_bxxcjll1VkaFGrq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 adultscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=865 impostorscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410300061 On 10/30/2024 3:42 PM, Johan Hovold wrote: > 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. OK, I got it. Will write this into commit message. Thanks, Qiang Yu > > Johan