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{ "id": 25917, "url": "https://patchwork.libcamera.org/api/patches/25917/?format=api", "web_url": "https://patchwork.libcamera.org/patch/25917/", "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": "<20260121173737.376113-11-kieran.bingham@ideasonboard.com>", "date": "2026-01-21T17:37:29", "name": "[v6,10/16] ipa: rkisp1: ccm: Use Q<4, 7> format directly", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "bdb6b793191bcdfb1f40e7cce77a9bc2eba7b3c4", "submitter": { "id": 4, "url": "https://patchwork.libcamera.org/api/people/4/?format=api", "name": "Kieran Bingham", "email": "kieran.bingham@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/25917/mbox/", "series": [ { "id": 5730, "url": "https://patchwork.libcamera.org/api/series/5730/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5730", "date": "2026-01-21T17:37:19", "name": "libipa: Introduce a Quantized type", "version": 6, "mbox": "https://patchwork.libcamera.org/series/5730/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/25917/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/25917/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 D7535C327D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 21 Jan 2026 17:37:59 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 662A961FCE;\n\tWed, 21 Jan 2026 18:37:57 +0100 (CET)", "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 91B6B61F9F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 21 Jan 2026 18:37:44 +0100 (CET)", "from Monstersaurus.hippo-penny.ts.net\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 8EA5021CD;\n\tWed, 21 Jan 2026 18:37:12 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"F3L6zyq8\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1769017032;\n\tbh=YPE5gkcA66kXlvLXUDbn/4+TohltFJVoF0d5iMAvZuI=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=F3L6zyq8p8aBCtX3FJhW0chRl7bnLOtKOvMk/YiP/BKQkmTNoeGeh0zHrym2hrAUq\n\tLBiojMtbHsXLCI7yYsM7+8uGKdDA+t5V32HGf1/eqY31bkLs/ulXlGDyHsYRqLw88d\n\tQXc5GF7psi9XWDHOCWPaaTs8igPJGOa6PP09JFbM=", "From": "Kieran Bingham <kieran.bingham@ideasonboard.com>", "To": "libcamera devel <libcamera-devel@lists.libcamera.org>", "Cc": "Kieran Bingham <kieran.bingham@ideasonboard.com>, Isaac Scott\n\t<isaac.scott@ideasonboard.com>, =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?=\n\t<barnabas.pocze@ideasonboard.com>", "Subject": "[PATCH v6 10/16] ipa: rkisp1: ccm: Use Q<4, 7> format directly", "Date": "Wed, 21 Jan 2026 17:37:29 +0000", "Message-ID": "<20260121173737.376113-11-kieran.bingham@ideasonboard.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260121173737.376113-1-kieran.bingham@ideasonboard.com>", "References": "<20260121173737.376113-1-kieran.bingham@ideasonboard.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "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": "Replace the legacy call to floatingToFixedPoint with the new FixedPoint\nquantizer to explicitly describe the type used by the RKISP1 Colour\nCorrection Matrix.\n\nReviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>\nReviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n\n---\nv5:\n - Use Q<4, 7>\n\nSigned-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n---\n src/ipa/rkisp1/algorithms/ccm.cpp | 3 +--\n 1 file changed, 1 insertion(+), 2 deletions(-)", "diff": "diff --git a/src/ipa/rkisp1/algorithms/ccm.cpp b/src/ipa/rkisp1/algorithms/ccm.cpp\nindex de2b6fe775aa..466d7a116eea 100644\n--- a/src/ipa/rkisp1/algorithms/ccm.cpp\n+++ b/src/ipa/rkisp1/algorithms/ccm.cpp\n@@ -117,8 +117,7 @@ void Ccm::setParameters(struct rkisp1_cif_isp_ctk_config &config,\n \t */\n \tfor (unsigned int i = 0; i < 3; i++) {\n \t\tfor (unsigned int j = 0; j < 3; j++)\n-\t\t\tconfig.coeff[i][j] =\n-\t\t\t\tfloatingToFixedPoint<4, 7, uint16_t, double>(matrix[i][j]);\n+\t\t\tconfig.coeff[i][j] = Q<4, 7>(matrix[i][j]).quantized();\n \t}\n \n \tfor (unsigned int i = 0; i < 3; i++)\n", "prefixes": [ "v6", "10/16" ] }