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Thu, 04 Jun 2020 01:18:07 -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 02:08:11 -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 17:08:09 +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 17:08:07 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , "Matthias Brugger" , Rick Chang Subject: [PATCH RESEND v9 07/18] media: platform: Improve the implementation of the system PM ops Date: Thu, 4 Jun 2020 17:05:42 +0800 Message-ID: <20200604090553.10861-9-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200604090553.10861-1-xia.jiang@mediatek.com> References: <20200604090553.10861-1-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_021813_922373_48837BF3 X-CRM114-Status: GOOD ( 10.19 ) 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