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Sun, 16 Jul 2023 07:49:16 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 3rumhk3epg-1; Sun, 16 Jul 2023 07:49:16 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36G7nGDl002295; Sun, 16 Jul 2023 07:49:16 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-nitirawa-hyd.qualcomm.com [10.213.109.152]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 36G7nFGm002294; Sun, 16 Jul 2023 07:49:16 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 2342877) id 47E6D57163E; Sun, 16 Jul 2023 13:19:15 +0530 (+0530) From: Nitin Rawat To: mani@kernel.org, quic_cang@quicinc.com, stanley.chu@mediatek.com, bvanassche@acm.org, quic_asutoshd@quicinc.com, avri.altman@wdc.com, martin.petersen@oracle.com, beanhuo@micron.com, konrad.dybcio@linaro.org Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, agross@kernel.org, andersson@kernel.org, jejb@linux.ibm.com, linux-arm-msm@vger.kernel.org, quic_ziqichen@quicinc.com, Nitin Rawat Subject: [PATCH V2] scsi: ufs: ufs-qcom: Update UFS devfreq Parameters Date: Sun, 16 Jul 2023 13:19:07 +0530 Message-Id: <20230716074907.12356-1-quic_nitirawa@quicinc.com> X-Mailer: git-send-email 2.17.1 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: hONIiIwDrTPPYY-VHvPSJQXlQIpHPKGt X-Proofpoint-GUID: hONIiIwDrTPPYY-VHvPSJQXlQIpHPKGt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-15_14,2023-07-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 mlxlogscore=999 priorityscore=1501 mlxscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307160072 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771566620048513371 X-GMAIL-MSGID: 1771566620048513371 To support the periodic polling mode without stop caused by CPU idle state, enable delayed timer as default instead of deferrable timer for qualcomm platforms. And change UFS devfreq downdifferential threshold to 65 for less aggressive downscaling. Signed-off-by: Nitin Rawat Signed-off-by: Asutosh Das --- Changes in v2: - Realigned the commit text drivers/ufs/host/ufs-qcom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.17.1 diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 82d02e7f3b4f..a15815c951ca 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1388,8 +1388,9 @@ static void ufs_qcom_config_scaling_param(struct ufs_hba *hba, struct devfreq_simple_ondemand_data *d) { p->polling_ms = 60; + p->timer = DEVFREQ_TIMER_DELAYED; d->upthreshold = 70; - d->downdifferential = 5; + d->downdifferential = 65; } #else static void ufs_qcom_config_scaling_param(struct ufs_hba *hba,