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Received: from AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) by AM9PR04MB8729.eurprd04.prod.outlook.com (2603:10a6:20b:43c::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5769.14; Tue, 1 Nov 2022 08:06:06 +0000 Received: from AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::976e:7d79:975e:8d23]) by AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::976e:7d79:975e:8d23%3]) with mapi id 15.20.5769.021; Tue, 1 Nov 2022 08:06:06 +0000 From: Ming Qian To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl Cc: shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, xiahong.bao@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] media: amphion: check and cancel vpu before release Date: Tue, 1 Nov 2022 16:05:51 +0800 Message-Id: X-Mailer: git-send-email 2.38.1 X-ClientProxiedBy: SI1PR02CA0012.apcprd02.prod.outlook.com (2603:1096:4:1f7::8) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB6341:EE_|AM9PR04MB8729:EE_ X-MS-Office365-Filtering-Correlation-Id: 0492b578-46f0-473d-0f9b-08dabbdfed2e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Fixes: d91d7bc85062 ("media: amphion: release m2m ctx when releasing vpu instance") Signed-off-by: Ming Qian --- drivers/media/platform/amphion/vpu_v4l2.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c index 99ad2f1c5a53..845fc53d8937 100644 --- a/drivers/media/platform/amphion/vpu_v4l2.c +++ b/drivers/media/platform/amphion/vpu_v4l2.c @@ -767,6 +767,23 @@ int vpu_v4l2_open(struct file *file, struct vpu_inst *inst) return ret; } +static void vpu_v4l2_check_and_cancel(struct file *file, struct vpu_inst *inst) +{ + struct vb2_queue *vq; + + vpu_inst_lock(inst); + + vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx); + if (vb2_is_streaming(vq)) + v4l2_m2m_streamoff(file, inst->fh.m2m_ctx, vq->type); + + vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx); + if (vb2_is_streaming(vq)) + v4l2_m2m_streamoff(file, inst->fh.m2m_ctx, vq->type); + + vpu_inst_unlock(inst); +} + int vpu_v4l2_close(struct file *file) { struct vpu_dev *vpu = video_drvdata(file); @@ -774,6 +791,7 @@ int vpu_v4l2_close(struct file *file) vpu_trace(vpu->dev, "tgid = %d, pid = %d, inst = %p\n", inst->tgid, inst->pid, inst); + vpu_v4l2_check_and_cancel(file, inst); call_void_vop(inst, release); vpu_inst_unregister(inst); vpu_inst_put(inst);