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{
    "id": 26344,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/26344/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/26344/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/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": "<20260325151416.2114564-3-stefan.klug@ideasonboard.com>",
    "date": "2026-03-25T15:13:34",
    "name": "[v2,02/32] libcamera: delayed_controls: Handle missed pushes",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "e3d89751a5153c518fba131dfc3ec78b4a9163c4",
    "submitter": {
        "id": 184,
        "url": "https://patchwork.libcamera.org/api/1.1/people/184/?format=api",
        "name": "Stefan Klug",
        "email": "stefan.klug@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/26344/mbox/",
    "series": [
        {
            "id": 5849,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5849/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5849",
            "date": "2026-03-25T15:13:32",
            "name": "rkisp1: pipeline rework for PFC",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/5849/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/26344/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/26344/checks/",
    "tags": {},
    "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 D60CAC32DE\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 25 Mar 2026 15:14:50 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 34A5562841;\n\tWed, 25 Mar 2026 16:14:50 +0100 (CET)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"sgRNSEwF\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1774451610;\n\tbh=l3vpLe0XYWTCBdGP+/6jXvvI83rewD783FNSy/pnRwE=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=sgRNSEwF2ugLbLSGNEDZlMKMX44vXkN0V94R/sEFkIdCJMKLFso7gl/Cp+jv3PTcf\n\ta5NHql5Sd5UfWq4q+GGR3YyT7M4+eUe3t9TPhqYI66a9EtXSfvev2FxQlSzpBgw/a/\n\tpt82GCacjVi6r59bO/2eNeGrGji7hlne/k4OH+DA=",
        "From": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>,\n\tPaul Elder <paul.elder@ideasonboard.com>",
        "Subject": "[PATCH v2 02/32] libcamera: delayed_controls: Handle missed pushes",
        "Date": "Wed, 25 Mar 2026 16:13:34 +0100",
        "Message-ID": "<20260325151416.2114564-3-stefan.klug@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.51.0",
        "In-Reply-To": "<20260325151416.2114564-1-stefan.klug@ideasonboard.com>",
        "References": "<20260325151416.2114564-1-stefan.klug@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "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>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "In unstable systems it can happen, that some sequence numbers are missed\nin the IPA. Gracefully handle that situation by queuing no-ops.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\nReviewed-by: Paul Elder <paul.elder@ideasonboard.com>\n\n---\n\nChanges in v2:\n- Collected tag\n---\n src/libcamera/delayed_controls.cpp | 9 +++++++++\n 1 file changed, 9 insertions(+)",
    "diff": "diff --git a/src/libcamera/delayed_controls.cpp b/src/libcamera/delayed_controls.cpp\nindex 36d1f20a3680..dc3850c0885d 100644\n--- a/src/libcamera/delayed_controls.cpp\n+++ b/src/libcamera/delayed_controls.cpp\n@@ -178,6 +178,15 @@ bool DelayedControls::push(uint32_t sequence, const ControlList &controls)\n \t\t\t<< \" current queue index: \" << queueCount_;\n \t}\n \n+\twhile (sequence > queueCount_) {\n+\t\tLOG(DelayedControls, Warning)\n+\t\t\t<< \"Missed push for sequence \" << queueCount_\n+\t\t\t<< \" Auto queue no-op.\";\n+\t\tpush(queueCount_, {});\n+\t}\n+\n+\tASSERT(sequence == queueCount_);\n+\n \t/* Copy state from previous frame. */\n \tfor (auto &ctrl : values_) {\n \t\tInfo &info = ctrl.second[queueCount_];\n",
    "prefixes": [
        "v2",
        "02/32"
    ]
}