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{ "id": 15479, "url": "https://patchwork.libcamera.org/api/covers/15479/?format=api", "web_url": "https://patchwork.libcamera.org/cover/15479/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20220318121826.877187-1-umang.jain@ideasonboard.com>", "date": "2022-03-18T12:18:24", "name": "[libcamera-devel,0/2] media: ipu3: Sequence number fix and improvements", "submitter": { "id": 97, "url": "https://patchwork.libcamera.org/api/people/97/?format=api", "name": "Nicolas Dufresne via libcamera-devel", "email": "libcamera-devel@lists.libcamera.org" }, "mbox": "https://patchwork.libcamera.org/cover/15479/mbox/", "series": [ { "id": 2975, "url": "https://patchwork.libcamera.org/api/series/2975/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2975", "date": "2022-03-18T12:18:24", "name": "media: ipu3: Sequence number fix and improvements", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2975/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/15479/comments/", "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id D21CDBDE17\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 18 Mar 2022 12:18:51 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0BC7A604E8;\n\tFri, 18 Mar 2022 13:18:51 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1DEB1601F5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 18 Mar 2022 13:18:49 +0100 (CET)", "from perceval.ideasonboard.com (unknown [103.251.226.137])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 88AA3EE;\n\tFri, 18 Mar 2022 13:18:46 +0100 (CET)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"bLIQiKDx\"; dkim-atps=neutral", "To": "linux-media@vger.kernel.org", "Date": "Fri, 18 Mar 2022 17:48:24 +0530", "Message-Id": "<20220318121826.877187-1-umang.jain@ideasonboard.com>", "X-Mailer": "git-send-email 2.31.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/2] media: ipu3: Sequence number fix and\n\timprovements", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Umang Jain via libcamera-devel <libcamera-devel@lists.libcamera.org>", "Reply-To": "Umang Jain <umang.jain@ideasonboard.com>", "Cc": "bingbu.cao@intel.com, libcamera-devel@lists.libcamera.org,\n\tsakari.ailus@linux.intel.com", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The patch (1/2) fixes the issue where sequence number of buffers keep\non incrementing during consecutive stream on/off cycles. The sequence\nnumber should be reset to 0, on every stream (re)start.\n\nPatch 2/2 is a just a drive-by patch while exploring ipu3-imgu driver\ncodebase.\n\nUmang Jain (2):\n media: staging/intel-ipu3: Reset imgu_video_device sequence\n media: staging/intel-ipu3: Cleanup dummy buffers via helper\n\n drivers/staging/media/ipu3/ipu3-v4l2.c | 1 +\n drivers/staging/media/ipu3/ipu3.c | 25 +++++++++++--------------\n 2 files changed, 12 insertions(+), 14 deletions(-)" }