Show a patch.

GET /api/patches/24400/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 24400,
    "url": "https://patchwork.libcamera.org/api/patches/24400/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/24400/",
    "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": "<20250918144333.108695-12-stefan.klug@ideasonboard.com>",
    "date": "2025-09-18T14:43:20",
    "name": "[v4,11/19] pipeline: rkisp1: Add error log when parameter queuing fails",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "9c86de3ce4c5050a0f99bbcb6733be129f414363",
    "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/24400/mbox/",
    "series": [
        {
            "id": 5449,
            "url": "https://patchwork.libcamera.org/api/series/5449/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5449",
            "date": "2025-09-18T14:43:09",
            "name": "Implement WDR algorithm",
            "version": 4,
            "mbox": "https://patchwork.libcamera.org/series/5449/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/24400/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/24400/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 5BD7FC32C2\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 18 Sep 2025 14:44:21 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id EEC146938B;\n\tThu, 18 Sep 2025 16:44:20 +0200 (CEST)",
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5187E69386\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 18 Sep 2025 16:44:18 +0200 (CEST)",
            "from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:ace3:d2c2:5eff:9cc5])\n\tby perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id B40199FC;\n\tThu, 18 Sep 2025 16:42:58 +0200 (CEST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"eWBiL91C\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1758206578;\n\tbh=ZEdXfHFpaIB4O0iiGoYtfIMWXOEazI7FHupCfh9Hz/c=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=eWBiL91CeADi/+t3hDcPU7YeAtErqYGIh7q9w0HTCIeErc6BMZjpVjV69uxkC9T+J\n\t1naAR5vSizMm80AMU8k4mPfghgPyGdHJgsp7fXgiRDnb69cmtEkCEgUPr8rcVkx9Ha\n\ttA9fHmEcLAknBmAqQc1Qz9U95FMJShpbp3hiF/Nc=",
        "From": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tPaul Elder <paul.elder@ideasonboard.com>,\n\tDaniel Scally <dan.scally@ideasonboard.com>",
        "Subject": "[PATCH v4 11/19] pipeline: rkisp1: Add error log when parameter\n\tqueuing fails",
        "Date": "Thu, 18 Sep 2025 16:43:20 +0200",
        "Message-ID": "<20250918144333.108695-12-stefan.klug@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.48.1",
        "In-Reply-To": "<20250918144333.108695-1-stefan.klug@ideasonboard.com>",
        "References": "<20250918144333.108695-1-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": "When the extensible parameters queued to the kernel contain an unknown\nblock type it fails with -EINVAL. This should not happen as user land is\nsupposed to check for the supported parameter types. But it took a while\nto figure out where things went wrong. Add a error statement when\nqueuing of the parameter buffer fails for whatever reason.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Daniel Scally <dan.scally@ideasonboard.com>\n\n---\n\nChanges in v3:\n- Collected tag\n\nChangelog from former series:\nChanges in v4:\n- Improved commit message\n\nChanges in v3:\n- Collected tags\n- Removed hint regarding unsupported parameter types as this will be\n  handled using the now upstreamed RKISP1_CID_SUPPORTED_PARAMS_BLOCKS.\n\nChanges in v2:\n- Also print the error code in case of failure\n---\n src/libcamera/pipeline/rkisp1/rkisp1.cpp | 9 ++++++++-\n 1 file changed, 8 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\nindex cfcbb3b2590a..a91a443aeaf7 100644\n--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n@@ -422,7 +422,14 @@ void RkISP1CameraData::paramsComputed(unsigned int frame, unsigned int bytesused\n \t\treturn;\n \n \tinfo->paramBuffer->_d()->metadata().planes()[0].bytesused = bytesused;\n-\tpipe->param_->queueBuffer(info->paramBuffer);\n+\n+\tint ret = pipe->param_->queueBuffer(info->paramBuffer);\n+\tif (ret < 0) {\n+\t\tLOG(RkISP1, Error) << \"Failed to queue parameter buffer: \"\n+\t\t\t\t   << strerror(-ret);\n+\t\treturn;\n+\t}\n+\n \tpipe->stat_->queueBuffer(info->statBuffer);\n \n \tif (info->mainPathBuffer)\n",
    "prefixes": [
        "v4",
        "11/19"
    ]
}