From patchwork Mon Dec 4 13:23:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 750606 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="ScY/owUY" Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92C1418F; Mon, 4 Dec 2023 05:24:04 -0800 (PST) Received: from benjamin-XPS-13-9310.. (ec2-34-240-57-77.eu-west-1.compute.amazonaws.com [34.240.57.77]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id B79946607090; Mon, 4 Dec 2023 13:24:02 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701696243; bh=hw+EcJmQWwZPR1A5B99ReLj35TY7AMeTL9JoTuzkKAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ScY/owUYVMArpLwsZLqwD8BURKTytyZwaGhIdZHnATD5V85sPJdmyfgFtfJ3W58n1 AzJOV3V9/JsgScBZdgNAdJY9+25vMZ5RiDFw9inseTsVPtLLrZ+jueagxnryoW3wk0 3Krn8WecTG7xtTt3bIhU/cwVFCTe7JG7YYmjkJLgi3dkMOw9vVOqt5Puo4w3vwMvrr dTxcbbpDVNka5SRJH3yZagQbR3c96AdjTNGETYIVjf1cQvRFDZkUEKXg9qT7b7CTe3 aFnm2Cg6rjBUGVDvm5fxjhAtsj/PK3ikUklYREsbhNeyZD/tQpaFVkqWXKI5TmAM1r GaIgzX1iEKCzw== From: Benjamin Gaignard To: hverkuil@xs4all.nl, mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, matt.ranostay@konsulko.com Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard , Yong Zhi , Sakari Ailus , Bingbu Cao , Dan Scally , Tianshu Qiu Subject: [PATCH v2 15/36] media: pci: intel: ipu3: Remove useless setting of min_buffers_needed Date: Mon, 4 Dec 2023 14:23:02 +0100 Message-Id: <20231204132323.22811-16-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231204132323.22811-1-benjamin.gaignard@collabora.com> References: <20231204132323.22811-1-benjamin.gaignard@collabora.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This driver uses min_buffers_needed which vb2 uses to ensure start_streaming is called when at least 'min_buffers_needed' buffers are queued. However, this driver doesn't need this, it can stream fine without any buffers queued. Just drop this unnecessary restriction. Signed-off-by: Benjamin Gaignard CC: Yong Zhi CC: Sakari Ailus CC: Bingbu Cao CC: Dan Scally CC: Tianshu Qiu --- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 5d3b0ffd3d08..7f72be686981 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -1589,7 +1589,6 @@ static int cio2_queue_init(struct cio2_device *cio2, struct cio2_queue *q) vbq->mem_ops = &vb2_dma_sg_memops; vbq->buf_struct_size = sizeof(struct cio2_buffer); vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vbq->min_buffers_needed = 1; vbq->drv_priv = cio2; vbq->lock = &q->lock; r = vb2_queue_init(vbq);