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{
    "id": 24790,
    "url": "https://patchwork.libcamera.org/api/patches/24790/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/24790/",
    "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": "<20251024085130.995967-25-stefan.klug@ideasonboard.com>",
    "date": "2025-10-24T08:50:48",
    "name": "[v1,24/35] ipa: rkisp1: Ensure controls don't get lost",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "71ebad9de066e5394f3413d49e19f86a6c7e4bb0",
    "submitter": {
        "id": 184,
        "url": "https://patchwork.libcamera.org/api/people/184/?format=api",
        "name": "Stefan Klug",
        "email": "stefan.klug@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/24790/mbox/",
    "series": [
        {
            "id": 5524,
            "url": "https://patchwork.libcamera.org/api/series/5524/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5524",
            "date": "2025-10-24T08:50:24",
            "name": "rkisp1: pipeline rework for PFC",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/5524/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/24790/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/24790/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 A5F78BE080\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 24 Oct 2025 08:52:51 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 634F960920;\n\tFri, 24 Oct 2025 10:52:51 +0200 (CEST)",
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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=\"rcQJLIbR\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1761295864;\n\tbh=CrYhuF6fM2fE7Fad53k80vqInEOP7VuATyquavW7HVs=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=rcQJLIbRTAiG/gvTGiYTEyBcdtnXBWTW8HfWNna8hqR5A92fjtbMKB68havIH+Sem\n\t0g+rJ6bMEM0Fd7DjBRZZlj6ojsE0MndeI9Kn/54zPdRCTx7ulE0bPz8FODUH1JtUXG\n\t4Bb+VqMZmAHDvrV5sLF6N/dexru/X9Oyev4PPqrA=",
        "From": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "Subject": "[PATCH v1 24/35] ipa: rkisp1: Ensure controls don't get lost",
        "Date": "Fri, 24 Oct 2025 10:50:48 +0200",
        "Message-ID": "<20251024085130.995967-25-stefan.klug@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.48.1",
        "In-Reply-To": "<20251024085130.995967-1-stefan.klug@ideasonboard.com>",
        "References": "<20251024085130.995967-1-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": "If a request too late for controls queuing because the frame context was\nalready initialised, store the controls and apply them on the next\nrequest.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n\nipa: rkisp1: Store controls on when necessary\n\nStore controls for later only when necessary. Add a proper log message for that condition.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n---\n src/ipa/rkisp1/rkisp1.cpp | 22 ++++++++++++++++++++--\n 1 file changed, 20 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp\nindex 23d80bc43c5d..b714e2f10c65 100644\n--- a/src/ipa/rkisp1/rkisp1.cpp\n+++ b/src/ipa/rkisp1/rkisp1.cpp\n@@ -86,6 +86,7 @@ private:\n \tstd::map<unsigned int, MappedFrameBuffer> mappedBuffers_;\n \n \tControlInfoMap sensorControls_;\n+\tControlList controlsToApply_;\n \n \t/* Local parameter storage */\n \tstruct IPAContext context_;\n@@ -343,16 +344,33 @@ void IPARkISP1::initializeFrameContext(const uint32_t frame,\n \t\t\t\t       IPAFrameContext &frameContext,\n \t\t\t\t       const ControlList &controls)\n {\n-\tif (frameContext.initialised)\n+\tif (frameContext.initialised) {\n+\t\tif (!controls.empty()) {\n+\t\t\t/* Too late to apply the controls. Store them for later. */\n+\t\t\tLOG(IPARkISP1, Warning)\n+\t\t\t\t<< \"Request underrun. Controls for frame \"\n+\t\t\t\t<< frame << \" are delayed \";\n+\t\t\tcontrolsToApply_.merge(controls,\n+\t\t\t\t\t       ControlList::MergePolicy::OverwriteExisting);\n+\t\t}\n \t\treturn;\n+\t}\n+\n+\tconst ControlList *controls2 = &controls;\n+\tif (!controlsToApply_.empty()) {\n+\t\tcontrolsToApply_.merge(controls, ControlList::MergePolicy::OverwriteExisting);\n+\t\tcontrols2 = &controlsToApply_;\n+\t}\n \n \tframeContext.initialised = true;\n \tfor (auto const &a : algorithms()) {\n \t\tAlgorithm *algo = static_cast<Algorithm *>(a.get());\n \t\tif (algo->disabled_)\n \t\t\tcontinue;\n-\t\talgo->queueRequest(context_, frame, frameContext, controls);\n+\t\talgo->queueRequest(context_, frame, frameContext, *controls2);\n \t}\n+\n+\tcontrolsToApply_.clear();\n }\n \n void IPARkISP1::computeParams(const uint32_t frame, const uint32_t bufferId)\n",
    "prefixes": [
        "v1",
        "24/35"
    ]
}