From patchwork Wed Jun 22 07:37:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 584545 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A434C43334 for ; Wed, 22 Jun 2022 07:37:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352299AbiFVHhv (ORCPT ); Wed, 22 Jun 2022 03:37:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353254AbiFVHhg (ORCPT ); Wed, 22 Jun 2022 03:37:36 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 665D2377E1; Wed, 22 Jun 2022 00:37:30 -0700 (PDT) X-UUID: 3b5b2ba541d44b11afd5e67be939f36e-20220622 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.6, REQID:7d4e7a49-7aa9-4232-ab96-2ea5cc4331bc, OB:20, L OB:20,IP:0,URL:5,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,RULE:Release_Ham, ACTION:release,TS:95 X-CID-INFO: VERSION:1.1.6, REQID:7d4e7a49-7aa9-4232-ab96-2ea5cc4331bc, OB:20, LOB :20,IP:0,URL:5,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,RULE:Spam_GS981B3D, ACTION:quarantine,TS:95 X-CID-META: VersionHash:b14ad71, CLOUDID:df1b32ea-f7af-4e69-92ee-0fd74a0c286c, C OID:d1d2169eb362,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:1,File:nil,QS:nil,BEC:nil,COL:0 X-UUID: 3b5b2ba541d44b11afd5e67be939f36e-20220622 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1612904803; Wed, 22 Jun 2022 15:37:22 +0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 22 Jun 2022 15:37:22 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jun 2022 15:37:22 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 22 Jun 2022 15:37:21 +0800 From: Stanley Chu To: , , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v1 7/7] scsi: ufs-mediatek: Support performance boosting Date: Wed, 22 Jun 2022 15:37:19 +0800 Message-ID: <20220622073719.21599-8-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220622073719.21599-1-stanley.chu@mediatek.com> References: <20220622073719.21599-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Peter Wang Add pm-qos request to support performance boosting in MediaTek UFS platforms. In the same time, adjust the order of function calls to be symmetric during the low-power control flow. Reviewed-by: Stanley Chu Signed-off-by: Peter Wang Signed-off-by: Stanley Chu --- drivers/ufs/host/ufs-mediatek.c | 34 +++++++++++++++++++++++++-------- drivers/ufs/host/ufs-mediatek.h | 3 +++ 2 files changed, 29 insertions(+), 8 deletions(-) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 085ba05ff4d4..125d64e097f2 100755 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -586,17 +587,32 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba) dev_info(hba->dev, "caps: 0x%x", host->caps); } -static void ufs_mtk_scale_perf(struct ufs_hba *hba, bool up) +static void ufs_mtk_boost_pm_qos(struct ufs_hba *hba, bool boost) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - ufs_mtk_boost_crypt(hba, up); - ufs_mtk_setup_ref_clk(hba, up); + if (!host || !host->pm_qos_init) + return; + + cpu_latency_qos_update_request(&host->pm_qos_req, + boost ? 0 : PM_QOS_DEFAULT_VALUE); +} + +static void ufs_mtk_pwr_ctrl(struct ufs_hba *hba, bool on) +{ + struct ufs_mtk_host *host = ufshcd_get_variant(hba); - if (up) + if (on) { phy_power_on(host->mphy); - else + ufs_mtk_setup_ref_clk(hba, on); + ufs_mtk_boost_crypt(hba, on); + ufs_mtk_boost_pm_qos(hba, on); + } else { + ufs_mtk_boost_pm_qos(hba, on); + ufs_mtk_boost_crypt(hba, on); + ufs_mtk_setup_ref_clk(hba, on); phy_power_off(host->mphy); + } } /** @@ -641,9 +657,9 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on, } if (clk_pwr_off) - ufs_mtk_scale_perf(hba, false); + ufs_mtk_pwr_ctrl(hba, false); } else if (on && status == POST_CHANGE) { - ufs_mtk_scale_perf(hba, true); + ufs_mtk_pwr_ctrl(hba, true); } return ret; @@ -1248,8 +1264,10 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba) struct ufs_dev_info *dev_info = &hba->dev_info; u16 mid = dev_info->wmanufacturerid; - if (mid == UFS_VENDOR_SAMSUNG) + if (mid == UFS_VENDOR_SAMSUNG) { ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6); + ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HIBERN8TIME), 10); + } /* * Decide waiting time before gating reference clock and diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h index cdf40851e626..aa26d415527b 100755 --- a/drivers/ufs/host/ufs-mediatek.h +++ b/drivers/ufs/host/ufs-mediatek.h @@ -7,6 +7,7 @@ #define _UFS_MEDIATEK_H #include +#include #include /* @@ -131,6 +132,7 @@ struct ufs_mtk_hw_ver { struct ufs_mtk_host { struct phy *mphy; + struct pm_qos_request pm_qos_req; struct regulator *reg_va09; struct reset_control *hci_reset; struct reset_control *unipro_reset; @@ -140,6 +142,7 @@ struct ufs_mtk_host { struct ufs_mtk_hw_ver hw_ver; enum ufs_mtk_host_caps caps; bool mphy_powered_on; + bool pm_qos_init; bool unipro_lpm; bool ref_clk_enabled; u16 ref_clk_ungating_wait_us;