Show a patch.

GET /api/1.1/patches/25540/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 25540,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/25540/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25540/",
    "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": "<20251212002937.3118-26-bryan.odonoghue@linaro.org>",
    "date": "2025-12-12T00:29:36",
    "name": "[v8,25/26] libcamera: software_isp: lut: Change default Gamma to 1.0/2.2",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "f7ef2cca6548406f2f24e46a82b547e3594d63d5",
    "submitter": {
        "id": 175,
        "url": "https://patchwork.libcamera.org/api/1.1/people/175/?format=api",
        "name": "Bryan O'Donoghue",
        "email": "bryan.odonoghue@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/25540/mbox/",
    "series": [
        {
            "id": 5657,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5657/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5657",
            "date": "2025-12-12T00:29:11",
            "name": "Add GLES 2.0 GPUISP to libcamera",
            "version": 8,
            "mbox": "https://patchwork.libcamera.org/series/5657/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/25540/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25540/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 9E065BD1F1\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 12 Dec 2025 00:34:42 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5457661925;\n\tFri, 12 Dec 2025 01:34:42 +0100 (CET)",
            "from mail-pf1-x42d.google.com (mail-pf1-x42d.google.com\n\t[IPv6:2607:f8b0:4864:20::42d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AB77A6191A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 12 Dec 2025 01:34:40 +0100 (CET)",
            "by mail-pf1-x42d.google.com with SMTP id\n\td2e1a72fcca58-7aa9be9f03aso567502b3a.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 11 Dec 2025 16:34:40 -0800 (PST)",
            "from inspiron14p-linux (p99250-ipoefx.ipoe.ocn.ne.jp.\n\t[153.246.134.249]) by smtp.gmail.com with ESMTPSA id\n\t41be03b00d2f7-c0c26eb0f6bsm3317282a12.14.2025.12.11.16.34.36\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 11 Dec 2025 16:34:38 -0800 (PST)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (2048-bit key;\n\tunprotected) header.d=linaro.org header.i=@linaro.org\n\theader.b=\"y4b8f3hM\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=linaro.org; s=google; t=1765499679; x=1766104479;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:mime-version:references:in-reply-to\n\t:message-id:date:subject:cc:to:from:from:to:cc:subject:date\n\t:message-id:reply-to;\n\tbh=NauU1uWfSPSZd8EiGg8FTzmSYzjHvu/p8kn7jtnbOq8=;\n\tb=y4b8f3hMPlnuUEPuVPgZVaCwwP6o8mPwbm6dn9T8QFLKzfYnyiU65JlCTdWOu5IBGg\n\tRyCIn2AIaFKnWBpJ31KBnLFslG1iJnXJ9JyIs1wtfX9Nij6MTPWaoox3rpIlrdczRSPH\n\t8gEbbqB75ySGDQT6j8ybpjY2B+qDNitR1s1ww5K457WguUX4hDIhGu4WE/s9fCvA7D9v\n\tQWQjCzCCxSTuD51KjxM+spnWb8vDrX4rzRKaRKExVmY84r6Sv9V4bgypcsdoHjiluR77\n\trVN904VlwxuFQR0AfHxlBLpPIV8rv6f8i7hE5QC7GRuRJi0PgwLw/bUDT6IjnN6mOMZk\n\t3WSg==",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1765499679; x=1766104479;\n\th=content-transfer-encoding:mime-version:references:in-reply-to\n\t:message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n\t:to:cc:subject:date:message-id:reply-to;\n\tbh=NauU1uWfSPSZd8EiGg8FTzmSYzjHvu/p8kn7jtnbOq8=;\n\tb=wdVK/vsQG5IQzFqZNBucMq8c7KVgB4DM5Letjo3zFTHbS3271JT2N8dfrmDyU28FAs\n\tjL5IVapGN6atmba9uDeE6oFd1sWO6BeLt7oMQA9ioefSt723YcMsG7lAZo9nsZhvy7wV\n\toSxo+tTBr7FIvNo9mxC4ok5P8vK87V7vuw0xnEsEnGgR/kVE7rC7iFYgflS9kijie+0Y\n\tWgEd7jAbnvSgmfYfajJZL/OJ51oR5CmSlkJfuYoubePOB8dmbV42nYADRBnmfv1wiMlG\n\tp7YAp1RrblOFF5Qwx/q0jd3KL4zcI3RfLUmilIdT5YoavXoXbjnoDSlKJ3CxBNOLouYq\n\tFz0g==",
        "X-Gm-Message-State": "AOJu0Yzuov4HqOsaopL+YwOWAAx1wq7w6U0T0RXFa33MrClpsNuufA/Y\n\t2Ha37QG9p+oeLXLxpZCRD6NOYSr7yqd5IcvYOg90jqjAeCs2ZYCZAKp0xIa+z9Vz6Aj9FuSJYgW\n\tU/BAz",
        "X-Gm-Gg": "AY/fxX74YxfQb0bNAmuHApZqX9SzD1tOmWByuwS/iDeUwFQlAnXu/Ff865s5CnHQ5+V\n\tm+9LAiUoHErSCIvlUlyFu8LbszMsxC2tKGauw35t28kLELwq+TDIyruaBBxoA8vw6zfGW6dpYvJ\n\tppa9f0CT4kxvwgxvAL9+Ebfpqxxph9zPvWxPvgdWPNbVDY8CqT6/Z8ftKRd+VffvMbShsiMOE9n\n\t96ghiqfBCr0DGrzfQwjyvOiLR7WiPanQlFwJnL66q0fVJANuvwJQFEPed9ajOOW9nuf23egjVpV\n\talaIT73aspX2B7WT6lZm3nTyP7zQ2Yw85QmWGRAHoQ0nNE4SdjnVd434tApailjBX6WwY2TOkRf\n\t8euc99wIPcfU3wPNLSM82L0eRnECBzS7UTfFPLA5P/S7s2FR4uY4OhIp0BAG8dkFeFAguuwLBfX\n\tjWFxvuEB2ObYDwMEKEIJBFJyxrGwRHmuKIkMa8mchxLju9I3Tdn/RTKfBW0W82bOwaegnv6w==",
        "X-Google-Smtp-Source": "AGHT+IH/meynhM/ohq1MTMkGDS8PZlwnsRYSr9mdOVbCjFcTh+2Rku+9kyCwccadSPR15KVJabT6hA==",
        "X-Received": "by 2002:a05:6a20:12c1:b0:2ea:41f1:d54a with SMTP id\n\tadf61e73a8af0-369afa01494mr317739637.55.1765499679020; \n\tThu, 11 Dec 2025 16:34:39 -0800 (PST)",
        "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "pavel@ucw.cz, Bryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tHans de Goede <johannes.goede@oss.qualcomm.com>,\n\tMilan Zamazal <mzamazal@redhat.com>",
        "Subject": "[PATCH v8 25/26] libcamera: software_isp: lut: Change default Gamma\n\tto 1.0/2.2",
        "Date": "Fri, 12 Dec 2025 00:29:36 +0000",
        "Message-ID": "<20251212002937.3118-26-bryan.odonoghue@linaro.org>",
        "X-Mailer": "git-send-email 2.52.0",
        "In-Reply-To": "<20251212002937.3118-1-bryan.odonoghue@linaro.org>",
        "References": "<20251212002937.3118-1-bryan.odonoghue@linaro.org>",
        "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": "Change the default softisp Gamma from 0.5 to 1.0/2.2.\n\nReviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/ipa/simple/algorithms/lut.cpp | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp\nindex adf411768..618219b17 100644\n--- a/src/ipa/simple/algorithms/lut.cpp\n+++ b/src/ipa/simple/algorithms/lut.cpp\n@@ -35,7 +35,7 @@ int Lut::configure(IPAContext &context,\n \t\t   [[maybe_unused]] const IPAConfigInfo &configInfo)\n {\n \t/* Gamma value is fixed */\n-\tcontext.configuration.gamma = 0.5;\n+\tcontext.configuration.gamma = 1.0/2.2;\n \tcontext.activeState.knobs.contrast = std::optional<double>();\n \tupdateGammaTable(context);\n \n",
    "prefixes": [
        "v8",
        "25/26"
    ]
}