From patchwork Tue Oct 17 14:47:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13425438 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3D954CDB482 for ; Tue, 17 Oct 2023 14:52:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eQpZQoHudaQd/DxdZoW2qOjr6y8mnctPPdXDu6wlhQA=; b=PKnohTW/sPEXPr K8ANfQFEvGO/Ii5yGZ6Cb7r9agQVySfXIADSFB2x5+JPVZqp+JhZ2MHekYtVvnmVhLyWPNuLKKL/Z D9t73THnL5yJuijbenh58rx2xKvhNgygVclKf6R8u8rwCNckrPEtDnQkudkaguAlavwE/UpuimCcy DfVO/hFRXaEt1FNdmBv/HRAkbdO1eJiBpzocG0cjkaYUTOyoy1Fb9choBT2q8Ctdv/TZNxT0hhpXx KK8I18rMLzmNZLVIJWUlqqFqX5arjck2aINfK39TNotSKlK3kYYO2031eIX+KYh/1NbjW2L4R6pV9 NIGBV+8HX24lPva4drCw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qslRA-00CduE-0I; Tue, 17 Oct 2023 14:52:48 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qslMz-00CZEC-0p; Tue, 17 Oct 2023 14:48:33 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:7205:da49:a7e8:59f8]) (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 086216607373; Tue, 17 Oct 2023 15:48:27 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697554107; bh=E3AWNXfqW3zClMdST89v07/d3n0L7Gb4S89ZZv8t3hk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q0dNr0WDkDZ4NSQAHWCRqjKbD37vAJRF7mbyOhLS9CydzB3HJT6VDFWbntdWZDqP5 AQJgL/FiMjQ5GejYn2AKhhCfBGLCKJ5hSF5i5hqkQnUgk4YqRf6VLQ3iDifacoPvXv 0OdHeIse/k8B+Sn8zXZxmfsEtpoh3/tcwaMBiRAAX7n0tkWCSp21m5tlcZu3Bnrir5 bi5GkoYt84eJh7lPSmOF5n7CLNVB+eLFIJagbXCsexZZ4FAnRrcMyg+M461mLjo7V9 Z0n3kuEdn8LO/rTD0UBjT7Jem6IyIHRiKap4l2rMST0BFT7Jczqb6HHJVyZmPOWIRi Z0qX3gjyF/tLA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v12 45/56] media: test-drivers: vivid: Increase max supported buffers for capture queues Date: Tue, 17 Oct 2023 16:47:45 +0200 Message-Id: <20231017144756.34719-46-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231017144756.34719-1-benjamin.gaignard@collabora.com> References: <20231017144756.34719-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231017_074829_437535_F7C377AE X-CRM114-Status: GOOD ( 10.73 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Change the maximum number of buffers of some capture queues in order to test max_num_buffers field. Allow to allocate up to: - 64 buffers for video capture queue. - 1024 buffers for sdr capture queue. - 32768 buffers for vbi capture queue. Signed-off-by: Benjamin Gaignard --- drivers/media/test-drivers/vivid/vivid-core.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c index 394c9f81ea72..353f035fcd19 100644 --- a/drivers/media/test-drivers/vivid/vivid-core.c +++ b/drivers/media/test-drivers/vivid/vivid-core.c @@ -876,6 +876,20 @@ static int vivid_create_queue(struct vivid_dev *dev, q->type = buf_type; q->io_modes = VB2_MMAP | VB2_DMABUF; q->io_modes |= V4L2_TYPE_IS_OUTPUT(buf_type) ? VB2_WRITE : VB2_READ; + + /* + * The maximum number of buffers is 32768 if PAGE_SHIFT == 12, + * see also MAX_BUFFER_INDEX in videobuf2-core.c. It will be less if + * PAGE_SHIFT > 12, but then max_num_buffers will be clamped by + * videobuf2-core.c to MAX_BUFFER_INDEX. + */ + if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + q->max_num_buffers = 64; + if (buf_type == V4L2_BUF_TYPE_SDR_CAPTURE) + q->max_num_buffers = 1024; + if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE) + q->max_num_buffers = 32768; + if (allocators[dev->inst] != 1) q->io_modes |= VB2_USERPTR; q->drv_priv = dev;