Patch Detail
Show a patch.
GET /api/patches/21682/?format=api
{ "id": 21682, "url": "https://patchwork.libcamera.org/api/patches/21682/?format=api", "web_url": "https://patchwork.libcamera.org/patch/21682/", "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": "<20241018145856.914816-2-stefan.klug@ideasonboard.com>", "date": "2024-10-18T14:58:35", "name": "[v2,1/4] ipa: rkisp1: algorithms: agc: Check for correct stats type", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "4952e077ca01f081d8a8ce6d3e856953a9983bb7", "submitter": { "id": 184, "url":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/21682/mbox/", "series": [ { "id": 4720, "url": "https://patchwork.libcamera.org/api/series/4720/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4720", "date": "2024-10-18T14:58:34", "name": "A few small fixes", "version": 2, "mbox": "https://patchwork.libcamera.org/series/4720/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/21682/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/21682/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 B8281C32AF\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 18 Oct 2024 14:59:06 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7480D65391;\n\tFri, 18 Oct 2024 16:59:06 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 81E8B633C6\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 18 Oct 2024 16:59:03 +0200 (CEST)", "from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:77a0:ddb9:22bf:b8d9])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 9B1D4514;\n\tFri, 18 Oct 2024 16:57:19 +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=\"UImEdBMU\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1729263439;\n\tbh=DsLgNilDIm96AJIEGiRchxXxpnKCwUlWGN9M09S0XUo=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=UImEdBMUqc2GPifvK1AjKAMZFEJcisN2pawkk9FWKRxtdsqCAZTFJLIyz9dNDVKnW\n\tNh3xMorfoRCh30ESuuFRgegCfZ5sZh3jYbUHjAhI/tGCprzfuXsPT38TkviVkCGAsI\n\trM0hrgVPicDXRGsNP5I+zAFgqTep5RiDtmwgjoeY=", "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\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tPaul Elder <paul.elder@ideasonboard.com>", "Subject": "[PATCH v2 1/4] ipa: rkisp1: algorithms: agc: Check for correct stats\n\ttype", "Date": "Fri, 18 Oct 2024 16:58:35 +0200", "Message-ID": "<20241018145856.914816-2-stefan.klug@ideasonboard.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20241018145856.914816-1-stefan.klug@ideasonboard.com>", "References": "<20241018145856.914816-1-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": "Sometimes the ISP produces statistics only with a subset of statistic\ntypes being valid. It doesn't happen normally, but was observed in the\nwild. Check for the RKISP1_CIF_ISP_STAT_AUTOEXP bit to prevent using\ninvalid or outdated data. As it doesn't happen regularly add an error\nmessage to get notified when it happens.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Paul Elder <paul.elder@ideasonboard.com>\n\n---\nChanges in v2:\n- Added error message\n- Made condition more readable\n- Collected tags\n---\n src/ipa/rkisp1/algorithms/agc.cpp | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp\nindex 17d074d9c03e..f03136836fd7 100644\n--- a/src/ipa/rkisp1/algorithms/agc.cpp\n+++ b/src/ipa/rkisp1/algorithms/agc.cpp\n@@ -398,8 +398,9 @@ void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,\n \t\t IPAFrameContext &frameContext, const rkisp1_stat_buffer *stats,\n \t\t ControlList &metadata)\n {\n-\tif (!stats) {\n+\tif (!stats || !(stats->meas_type & RKISP1_CIF_ISP_STAT_AUTOEXP)) {\n \t\tfillMetadata(context, frameContext, metadata);\n+\t\tLOG(RkISP1Agc, Error) << \"AUTOEXP data is missing in statistics\";\n \t\treturn;\n \t}\n \n@@ -412,7 +413,6 @@ void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,\n \t */\n \n \tconst rkisp1_cif_isp_stat *params = &stats->params;\n-\tASSERT(stats->meas_type & RKISP1_CIF_ISP_STAT_AUTOEXP);\n \n \t/* The lower 4 bits are fractional and meant to be discarded. */\n \tHistogram hist({ params->hist.hist_bins, context.hw->numHistogramBins },\n", "prefixes": [ "v2", "1/4" ] }