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Received: from DM6PR03MB5196.namprd03.prod.outlook.com (2603:10b6:5:24a::19) by SJ2PR03MB7041.namprd03.prod.outlook.com (2603:10b6:a03:4f9::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5834.11; Wed, 23 Nov 2022 09:24:49 +0000 Received: from DM6PR03MB5196.namprd03.prod.outlook.com ([fe80::a132:66d9:ed0f:e5c1]) by DM6PR03MB5196.namprd03.prod.outlook.com ([fe80::a132:66d9:ed0f:e5c1%6]) with mapi id 15.20.5834.015; Wed, 23 Nov 2022 09:24:49 +0000 From: Hsia-Jun Li To: linux-media@vger.kernel.org Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, sebastian.fricke@collabora.com, kieran.bingham+renesas@ideasonboard.com, laurent.pinchart@ideasonboard.com, ming.qian@nxp.com, nicolas.dufresne@collabora.com, wenst@chromium.org, linux-kernel@vger.kernel.org, Randy Li Subject: [PATCH] media: v4l2-mem2mem: allow device run without buf Date: Wed, 23 Nov 2022 17:24:27 +0800 Message-Id: <20221123092427.76055-1-randy.li@synaptics.com> X-Mailer: git-send-email 2.37.3 X-ClientProxiedBy: BYAPR06CA0047.namprd06.prod.outlook.com (2603:10b6:a03:14b::24) To DM6PR03MB5196.namprd03.prod.outlook.com (2603:10b6:5:24a::19) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR03MB5196:EE_|SJ2PR03MB7041:EE_ X-MS-Office365-Filtering-Correlation-Id: 8e86fac5-5d9a-45b2-4555-08dacd34912c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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We need to make the device run or we can't get those metadata. Signed-off-by: Randy Li --- drivers/media/v4l2-core/v4l2-mem2mem.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index be7fde1ed3ea..cd56d60fad9d 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -301,8 +301,9 @@ static void __v4l2_m2m_try_queue(struct v4l2_m2m_dev *m2m_dev, dprintk("Trying to schedule a job for m2m_ctx: %p\n", m2m_ctx); - if (!m2m_ctx->out_q_ctx.q.streaming - || !m2m_ctx->cap_q_ctx.q.streaming) { + if (!(m2m_ctx->out_q_ctx.q.streaming || m2m_ctx->out_q_ctx.buffered) + || !(m2m_ctx->cap_q_ctx.q.streaming + || m2m_ctx->cap_q_ctx.buffered)) { dprintk("Streaming needs to be on for both queues\n"); return; }