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{
    "id": 20415,
    "url": "https://patchwork.libcamera.org/api/patches/20415/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/20415/",
    "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": "<20240626140309.50052-3-jacopo.mondi@ideasonboard.com>",
    "date": "2024-06-26T14:02:58",
    "name": "[v3,2/9] libcamera: mali-c55: Limit ISP input size",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "d7958e700bef2223929935264ca7d59d4827908f",
    "submitter": {
        "id": 143,
        "url": "https://patchwork.libcamera.org/api/people/143/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo.mondi@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/20415/mbox/",
    "series": [
        {
            "id": 4420,
            "url": "https://patchwork.libcamera.org/api/series/4420/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4420",
            "date": "2024-06-26T14:02:56",
            "name": "Miscellaneous Mali-C55 Pipeline Fixes",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/4420/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/20415/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/20415/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 DD9EDBDB1D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 26 Jun 2024 14:03:31 +0000 (UTC)",
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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=\"pQjkUkqJ\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1719410579;\n\tbh=9nZmiTADPGHi0b8UQUNsubB07pHJsQzOPVV+s4chaZ4=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=pQjkUkqJM5ILaaxIFb16NK1jFOCsw2PxmJpCnE6wq1nYj9qQ+wfadhwzlcgbtmZTU\n\t+iM7rVBX1MQtagp2LjAyQAyFCsoMSSXynYJCKoBvNiSYC0YZzCq3aJWd5s/SiofxO/\n\t44BfiUI2SUx8PlltDFC62aVNGrMMLgv9O0eDSYGI=",
        "From": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>",
        "Subject": "[PATCH v3 2/9] libcamera: mali-c55: Limit ISP input size",
        "Date": "Wed, 26 Jun 2024 16:02:58 +0200",
        "Message-ID": "<20240626140309.50052-3-jacopo.mondi@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.45.2",
        "In-Reply-To": "<20240626140309.50052-1-jacopo.mondi@ideasonboard.com>",
        "References": "<20240626140309.50052-1-jacopo.mondi@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": "The Mali-C55 ISP has an input size limit of 640x480.\n\nFilter out resolutions smaller than this when selecting the\nsensor format. While at it, rename 'maxYuvSize' to a more\nappropriate 'minSensorSize'.\n\nSigned-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n src/libcamera/pipeline/mali-c55/mali-c55.cpp | 38 ++++++++++++--------\n 1 file changed, 23 insertions(+), 15 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp\nindex 1c1fef2337f0..d1ae1a61d5a9 100644\n--- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp\n+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp\n@@ -79,6 +79,7 @@ const std::map<libcamera::PixelFormat, unsigned int> maliC55FmtToCode = {\n \t{ formats::SGRBG16, MEDIA_BUS_FMT_SGRBG16_1X16 },\n };\n \n+constexpr Size kMaliC55MinInputSize = { 640, 480 };\n constexpr Size kMaliC55MinSize = { 128, 128 };\n constexpr Size kMaliC55MaxSize = { 8192, 8192 };\n constexpr unsigned int kMaliC55ISPInternalFormat = MEDIA_BUS_FMT_RGB121212_1X36;\n@@ -265,13 +266,16 @@ PixelFormat MaliC55CameraData::adjustRawFormat(const PixelFormat &rawFmt) const\n \treturn rawFmt;\n }\n \n-Size MaliC55CameraData::adjustRawSizes(const PixelFormat &rawFmt, const Size &rawSize) const\n+Size MaliC55CameraData::adjustRawSizes(const PixelFormat &rawFmt, const Size &size) const\n {\n \t/* Just make sure the format is supported. */\n \tauto it = maliC55FmtToCode.find(rawFmt);\n \tif (it == maliC55FmtToCode.end())\n \t\treturn {};\n \n+\t/* Expand the RAW size to the minimum ISP input size. */\n+\tSize rawSize = size.expandedTo(kMaliC55MinInputSize);\n+\n \t/* Check if the size is natively supported. */\n \tunsigned int rawCode = it->second;\n \tconst auto rawSizes = sizes(rawCode);\n@@ -282,14 +286,14 @@ Size MaliC55CameraData::adjustRawSizes(const PixelFormat &rawFmt, const Size &ra\n \t/* Or adjust it to the closest supported size. */\n \tuint16_t distance = std::numeric_limits<uint16_t>::max();\n \tSize bestSize;\n-\tfor (const Size &size : rawSizes) {\n+\tfor (const Size &sz : rawSizes) {\n \t\tuint16_t dist = std::abs(static_cast<int>(rawSize.width) -\n-\t\t\t\t\t static_cast<int>(size.width)) +\n+\t\t\t\t\t static_cast<int>(sz.width)) +\n \t\t\t\tstd::abs(static_cast<int>(rawSize.height) -\n-\t\t\t\t\t static_cast<int>(size.height));\n+\t\t\t\t\t static_cast<int>(sz.height));\n \t\tif (dist < distance) {\n \t\t\tdist = distance;\n-\t\t\tbestSize = size;\n+\t\t\tbestSize = sz;\n \t\t}\n \t}\n \n@@ -376,8 +380,13 @@ CameraConfiguration::Status MaliC55CameraConfiguration::validate()\n \t\tfrPipeAvailable = false;\n \t}\n \n-\t/* Adjust processed streams. */\n-\tSize maxYuvSize;\n+\t/*\n+\t * Adjust processed streams.\n+\t *\n+\t * Compute the minimum sensor size to be later used to select the\n+\t * sensor configuration.\n+\t */\n+\tSize minSensorSize = kMaliC55MinInputSize;\n \tfor (StreamConfiguration &config : config_) {\n \t\tif (isFormatRaw(config.pixelFormat))\n \t\t\tcontinue;\n@@ -399,8 +408,8 @@ CameraConfiguration::Status MaliC55CameraConfiguration::validate()\n \t\t\tstatus = Adjusted;\n \t\t}\n \n-\t\tif (maxYuvSize < size)\n-\t\t\tmaxYuvSize = size;\n+\t\tif (minSensorSize < size)\n+\t\t\tminSensorSize = size;\n \n \t\tif (frPipeAvailable) {\n \t\t\tconfig.setStream(const_cast<Stream *>(&data_->frStream_));\n@@ -416,7 +425,7 @@ CameraConfiguration::Status MaliC55CameraConfiguration::validate()\n \tif (rawConfig) {\n \t\tconst auto it = maliC55FmtToCode.find(rawConfig->pixelFormat);\n \t\tsensorFormat_.code = it->second;\n-\t\tsensorFormat_.size = rawConfig->size;\n+\t\tsensorFormat_.size = rawConfig->size.expandedTo(minSensorSize);\n \n \t\treturn status;\n \t}\n@@ -430,14 +439,13 @@ CameraConfiguration::Status MaliC55CameraConfiguration::validate()\n \tconst auto sizes = data_->sizes(it->second);\n \tSize bestSize;\n \tfor (const auto &size : sizes) {\n-\t\t/* Skip sensor sizes that are smaller than the max YUV size. */\n-\t\tif (maxYuvSize.width > size.width ||\n-\t\t    maxYuvSize.height > size.height)\n+\t\tif (minSensorSize.width > size.width ||\n+\t\t    minSensorSize.height > size.height)\n \t\t\tcontinue;\n \n-\t\tuint16_t dist = std::abs(static_cast<int>(maxYuvSize.width) -\n+\t\tuint16_t dist = std::abs(static_cast<int>(minSensorSize.width) -\n \t\t\t\t\t static_cast<int>(size.width)) +\n-\t\t\t\tstd::abs(static_cast<int>(maxYuvSize.height) -\n+\t\t\t\tstd::abs(static_cast<int>(minSensorSize.height) -\n \t\t\t\t\t static_cast<int>(size.height));\n \t\tif (dist < distance) {\n \t\t\tdist = distance;\n",
    "prefixes": [
        "v3",
        "2/9"
    ]
}