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(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-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Tue, 31 Oct 2023 09:36:56 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781289686485779390 X-GMAIL-MSGID: 1781289686485779390 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;