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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6666C433E0 for ; Thu, 4 Jun 2020 07:39:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id AABA82075B for ; Thu, 4 Jun 2020 07:39:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VECnDQUu"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ttBmYibx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AABA82075B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ePmCHQ6O8xNL53lLN1GUafvqdYELqvcuerulmJ3VKDs=; b=VECnDQUu/0f2lD 4xsYgO83HgCKMOGB5/UF6gYgJ18TwA0EsZcDCbPtA73nB/wGOM+bfLtmrHQvC/zk+HnQQA4rEZvfd xViaq53F2tjuR6IxfCPxzHh7a9wuxRNIrYNG4QeX89g1PtZOIQKDhPqQMVu5+H2Lsh7eNobphesoR AkkoBu6ikvmJEes/ioqJVgpE/rqpvB2lBQ46/olw83X4OzT5MQHx/jyeOV39DadzgzbBG4GwL+1it kfBwXw+E5M/Ed3j29NHp0gx6Nf7VWNJr4RmbGp7tVUBDnjsjvJDARhucaLrF2UApV3s3VL5Md7dnU DDuHhkFQVY1qmilIszGA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgkTH-0006HP-Rf; Thu, 04 Jun 2020 07:39:27 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgkT9-000651-Ol; Thu, 04 Jun 2020 07:39:21 +0000 X-UUID: 46fdfe630a844206a4728704bce95c41-20200603 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=ZTXG1swxMq+6u0sp84wMTHDYveVRdbBvoRAsf7UsS68=; b=ttBmYibxNywZsv0WT7YGBdPAyfV3bQN5YxaSeFJLRtE1TV6FjSgIGAbJDsSn0XoF8qtZNJT7j3Y4F/gpRLNFkHPooWz1U4Z5OinPf/mOeiE4QpYGFSDMLCzD/iJvGCTlVmHO5oawEpu/Knr7Pom2BRgjmXG8qWxSb3KNq/5oyhM=; X-UUID: 46fdfe630a844206a4728704bce95c41-20200603 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1579935807; Wed, 03 Jun 2020 23:39:14 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 4 Jun 2020 00:29:24 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 4 Jun 2020 15:29:22 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 4 Jun 2020 15:29:20 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , "Matthias Brugger" , Rick Chang Subject: [PATCH v9 07/18] media: platform: Improve the implementation of the system PM ops Date: Thu, 4 Jun 2020 15:26:57 +0800 Message-ID: <20200604072708.9468-8-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200604072708.9468-1-xia.jiang@mediatek.com> References: <20200604072708.9468-1-xia.jiang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200604_003919_815677_1D1DD4B9 X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maoguang.meng@mediatek.com, devicetree@vger.kernel.org, mojahsu@chromium.org, srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Tomasz Figa , senozhatsky@chromium.org, sj.huang@mediatek.com, drinkcat@chromium.org, linux-mediatek@lists.infradead.org, Xia Jiang , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add v4l2_m2m_suspend() function call in mtk_jpeg_suspend() to make sure that the current frame is processed completely before suspend. Add v4l2_m2m_resume() function call in mtk_jpeg_resume() to unblock the driver from scheduling next frame. Signed-off-by: Xia Jiang --- v9: use v4l2_m2m_suspend() and v4l2_m2m_resume() to improve the implemention of the system PM ops --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index 7f74597262fc..49bdbf1c435f 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1208,10 +1208,13 @@ static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev) static __maybe_unused int mtk_jpeg_suspend(struct device *dev) { int ret; + struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev); if (pm_runtime_suspended(dev)) return 0; + v4l2_m2m_suspend(jpeg->m2m_dev); + ret = mtk_jpeg_pm_suspend(dev); return ret; } @@ -1219,12 +1222,15 @@ static __maybe_unused int mtk_jpeg_suspend(struct device *dev) static __maybe_unused int mtk_jpeg_resume(struct device *dev) { int ret; + struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev); if (pm_runtime_suspended(dev)) return 0; ret = mtk_jpeg_pm_resume(dev); + v4l2_m2m_resume(jpeg->m2m_dev); + return ret; } -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel