From patchwork Fri Aug 14 07:11:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xia Jiang X-Patchwork-Id: 256175 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=-11.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MIME_BASE64_TEXT, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 17F08C433E3 for ; Fri, 14 Aug 2020 07:15:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1B8E20708 for ; Fri, 14 Aug 2020 07:15:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Lwu6r2lN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726699AbgHNHNS (ORCPT ); Fri, 14 Aug 2020 03:13:18 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:8537 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726688AbgHNHNR (ORCPT ); Fri, 14 Aug 2020 03:13:17 -0400 X-UUID: 81485fdb3dfe4795973dc49d713a8d3f-20200814 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=RWe0Ff77FvM6nCgnp8TrIQ2+6TXTbgL+dXGr6O+hJsw=; b=Lwu6r2lN3GHFSETiadxuO+pLkmcvB7RPKF9ypxUM133vav89NzK8iQWuoZsujZk84cGyhtxlA6gpiAusZUrU00wmQxBy0IBczSZRRaDagRtWyzUUfpVhPUfeFZn/K1PzYVzu5EAPoxpAV2pOuzuaYeqBoaC/iFkPmfW6OFrOqbY=; X-UUID: 81485fdb3dfe4795973dc49d713a8d3f-20200814 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1377380110; Fri, 14 Aug 2020 15:13:14 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 14 Aug 2020 15:13:12 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 14 Aug 2020 15:13:11 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Rick Chang CC: , , , , , Marek Szyprowski , Tomasz Figa , , , , , , Xia Jiang Subject: [PATCH v12 08/29] media: platform: Improve the implementation of the system PM ops Date: Fri, 14 Aug 2020 15:11:41 +0800 Message-ID: <20200814071202.25067-10-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200814071202.25067-1-xia.jiang@mediatek.com> References: <20200814071202.25067-1-xia.jiang@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.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. Reviewed-by: Tomasz Figa Signed-off-by: Xia Jiang --- v12: no changes --- .../media/platform/mtk-jpeg/mtk_jpeg_core.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) -- 2.18.0 diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index 7f74597262fc..ee4aaf618551 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1207,24 +1207,22 @@ static __maybe_unused int mtk_jpeg_pm_resume(struct device *dev) static __maybe_unused int mtk_jpeg_suspend(struct device *dev) { - int ret; - - if (pm_runtime_suspended(dev)) - return 0; + struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev); - ret = mtk_jpeg_pm_suspend(dev); - return ret; + v4l2_m2m_suspend(jpeg->m2m_dev); + return pm_runtime_force_suspend(dev); } static __maybe_unused int mtk_jpeg_resume(struct device *dev) { + struct mtk_jpeg_dev *jpeg = dev_get_drvdata(dev); int ret; - if (pm_runtime_suspended(dev)) - return 0; - - ret = mtk_jpeg_pm_resume(dev); + ret = pm_runtime_force_resume(dev); + if (ret < 0) + return ret; + v4l2_m2m_resume(jpeg->m2m_dev); return ret; }