From patchwork Tue Oct 31 16:30:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13441955 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 EAA6DC4332F for ; Tue, 31 Oct 2023 16:39:43 +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=Z9BdSjZrvrcqKKl7vEMsF3MCPK7cRa8xLRVucGfadRQ=; b=jblRmlauYPfo3L CetyHINHQNsVtw0YX+0BaACz/OXF4KqFLRvOfnPdkfgGneIG/636gKDTZw0mW2vA7CNk8Qu4A738l AEhtD1Z+uXRevkNCCNyhRAEr4Pfdaf9WtgH5dXd8CN3PRNBvk4abpURxPkZpeCNBLNHUrJjHFMmSf 5Ppo05EpzBwdgk1IpEwqvLYjW3HY8zT3ckwvFJ2KkzDG/ePwEB1e3lqOnmC/aA8fGVWoJyzzCYAHY Zjc52+W5ATjg+6KLHHK3hDnUG589Y8ShVXemave0L17EwW4fQq8jxVEyFp0xPa2CuolfDDC/E2fGs ALMKmwRfeYMtJRSdefdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qxrlx-005gcm-11; Tue, 31 Oct 2023 16:39:21 +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 1qxrfW-005cwd-2f; Tue, 31 Oct 2023 16:32:45 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:c562:2ef4:80c0:92f]) (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 06F816607326; Tue, 31 Oct 2023 16:32:41 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698769961; bh=E3AWNXfqW3zClMdST89v07/d3n0L7Gb4S89ZZv8t3hk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VR1rpx7A12yJ8GocZz1KvRcnPpjyUIec8nNgNglzzd4N/IJXBogW380xlhmXqaxwN t2XLJAd2n6r0sGTyAGwfu15AbXgIp4xOXKvSWTfafE0Cyyto6RK83Nl7dYyXi443lY tedIXKINC4XOmmFtiF3GOcqmETi9QJAUfljUYruo2GVOf7PDUqjKthRwt2OnLSkkju 0VX8PD8bQxNtNdQREZbewrXONRqZpSNSaqKLJzffmj4Bnxx/8DsdzuVhKd6EfzbNIe 4XRI+KTYnXY9Xe9yKlPdDE3J0bbEnclypyBKAWpUbYZdZ7223tlXvf7qdMrkhOoSIM cNjwA37IU2KRw== 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 v14 45/56] media: test-drivers: vivid: Increase max supported buffers for capture queues Date: Tue, 31 Oct 2023 17:30:53 +0100 Message-Id: <20231031163104.112469-46-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231031163104.112469-1-benjamin.gaignard@collabora.com> References: <20231031163104.112469-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231031_093243_031089_9A622725 X-CRM114-Status: GOOD ( 10.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 Reviewed-by: Andrzej Pietrasiewicz --- 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;