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{ "id": 12757, "url": "https://patchwork.libcamera.org/api/1.1/patches/12757/?format=api", "web_url": "https://patchwork.libcamera.org/patch/12757/", "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": "<20210701113442.111718-3-naush@raspberrypi.com>", "date": "2021-07-01T11:34:40", "name": "[libcamera-devel,v2,2/4] pipeline: raspberrypi: Use priority write for vblank when writing sensor ctrls", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "4ef34ff96c23b31811763f8eb265884eb1b30131", "submitter": { "id": 34, "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api", "name": "Naushir Patuck", "email": "naush@raspberrypi.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/12757/mbox/", "series": [ { "id": 2196, "url": "https://patchwork.libcamera.org/api/1.1/series/2196/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2196", "date": "2021-07-01T11:34:38", "name": "Raspberry Pi: Enable imx477 long exposure modes", "version": 2, "mbox": "https://patchwork.libcamera.org/series/2196/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/12757/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/12757/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 12F8BC3220\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 1 Jul 2021 11:34:52 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C253D684FA;\n\tThu, 1 Jul 2021 13:34:51 +0200 (CEST)", "from mail-wr1-x435.google.com (mail-wr1-x435.google.com\n\t[IPv6:2a00:1450:4864:20::435])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 79B3E684D7\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 1 Jul 2021 13:34:48 +0200 (CEST)", "by mail-wr1-x435.google.com with SMTP id p8so7814556wrr.1\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 01 Jul 2021 04:34:48 -0700 (PDT)", "from naush-laptop.patuck.local ([88.97.76.4])\n\tby smtp.gmail.com with ESMTPSA id\n\tf6sm8076495wrs.13.2021.07.01.04.34.47\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 01 Jul 2021 04:34:47 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=raspberrypi.com header.i=@raspberrypi.com\n\theader.b=\"Q9RMvj6J\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=raspberrypi.com; s=google;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references\n\t:mime-version:content-transfer-encoding;\n\tbh=/YpVJmsa5egcjdYPoaMhnVTpbUvYaQTLQzwcDmDF1BE=;\n\tb=Q9RMvj6JZTKIdCEh5OcMrpW+3Cgsn04MbUMFSWUwLeJMShacMc0ihO/eyI/LVeGcmd\n\t4NGt6azVUApbNHOVZE71hEQOPv6pMfvsHf8gmBRi+nDS0MLGmlhsbehh9uw6HhVdIhrh\n\tIlOgrRob/NbCPW3E+2wrC9zdUDmWIid7Cuvep53iJd/443PSRoRPE6W23PLo8bdqu47D\n\txqfnI0qHR1JTPcHRNMnPJMuTUbRe/stFy0QUSB1yPG/lRA5AO2SsYoph1KloSllXbQmH\n\tqwmeUy3xabKST/luqH9KRAJm6GoOg+ykPxaA2UZjPenlJnd1ZKCGZkc493Aocd7GaTfn\n\tUOzA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references:mime-version:content-transfer-encoding;\n\tbh=/YpVJmsa5egcjdYPoaMhnVTpbUvYaQTLQzwcDmDF1BE=;\n\tb=kA7nsEuKj+dNOdhWRDXleDeJIE4y3bUmSRAz+PLG4pz3NdYBMwZAS5IIUB1P4Hf7Ia\n\tMjMOnvuaxkNuiB7JZ56V1mmvoT/9Iw3Vl8Zfb1zH6j6qL3uJ1eTZ98Jff7k6UMG2VtGH\n\tN7Tkw+KxD/rc+0oSQmRqYDhSPIl7udKkTbZFIU9aUIwRi392DtY9jWxUxNNKl72rgw3x\n\toQdj0+jZp7uMQrNt1IItPy5XdEEvyFUPDDtsM1/ZPiKmS3ziC/0XAKXZ5+rHl4fqj64y\n\tRJwSI+v98M8oAFlbSxHZCfmGD38B9PdFUSFNHP8nVZpdZus5WRmO+Nw4rwsgHQO27aHV\n\tyngg==", "X-Gm-Message-State": "AOAM531GrHmI+cQjkxWTuRHhOyYFktieswN7U5A3CDRmjzZqtQaNsQ7G\n\tq6RMgPqN5/T58N8M32kW10+iHQE+bmjsRA==", "X-Google-Smtp-Source": "ABdhPJxDD8nmRHN8drwdkmamR9lWyS5iN2L2uk65pY0e8vFZhZ1vHgU2sLBZtgB00r1OidvQW6i7Dg==", "X-Received": "by 2002:adf:8b9c:: with SMTP id o28mr6969395wra.33.1625139288032;\n\tThu, 01 Jul 2021 04:34:48 -0700 (PDT)", "From": "Naushir Patuck <naush@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Thu, 1 Jul 2021 12:34:40 +0100", "Message-Id": "<20210701113442.111718-3-naush@raspberrypi.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20210701113442.111718-1-naush@raspberrypi.com>", "References": "<20210701113442.111718-1-naush@raspberrypi.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 2/4] pipeline: raspberrypi: Use\n\tpriority write for vblank when writing sensor ctrls", "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 directly writing controls to the sensor device, ensure that VBLANK is\nwritten ahead of and before the EXPOSURE control. This is the same priority\nwrite mechanism used in DelayedControls.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\nReviewed-by: David Plowman <david.plowman@raspberrypi.com>\n---\n .../pipeline/raspberrypi/raspberrypi.cpp | 37 ++++++++++++++-----\n 1 file changed, 27 insertions(+), 10 deletions(-)", "diff": "diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\nindex 082eb1ee1c23..53a30cff1864 100644\n--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n@@ -154,6 +154,7 @@ public:\n \tvoid embeddedComplete(uint32_t bufferId);\n \tvoid setIspControls(const ControlList &controls);\n \tvoid setDelayedControls(const ControlList &controls);\n+\tvoid setSensorControls(ControlList &controls);\n \n \t/* bufferComplete signal handlers. */\n \tvoid unicamBufferDequeue(FrameBuffer *buffer);\n@@ -828,7 +829,7 @@ int PipelineHandlerRPi::start(Camera *camera, const ControlList *controls)\n \n \t/* Apply any gain/exposure settings that the IPA may have passed back. */\n \tif (!startConfig.controls.empty())\n-\t\tdata->unicam_[Unicam::Image].dev()->setControls(&startConfig.controls);\n+\t\tdata->setSensorControls(startConfig.controls);\n \n \t/* Configure the number of dropped frames required on startup. */\n \tdata->dropFrameCount_ = startConfig.dropFrameCount;\n@@ -1294,22 +1295,20 @@ int RPiCameraData::configureIPA(const CameraConfiguration *config)\n \t\treturn -EPIPE;\n \t}\n \n-\tif (!controls.empty())\n-\t\tunicam_[Unicam::Image].dev()->setControls(&controls);\n-\n \t/*\n \t * Configure the H/V flip controls based on the combination of\n \t * the sensor and user transform.\n \t */\n \tif (supportsFlips_) {\n-\t\tControlList ctrls(unicam_[Unicam::Image].dev()->controls());\n-\t\tctrls.set(V4L2_CID_HFLIP,\n-\t\t\t static_cast<int32_t>(!!(rpiConfig->combinedTransform_ & Transform::HFlip)));\n-\t\tctrls.set(V4L2_CID_VFLIP,\n-\t\t\t static_cast<int32_t>(!!(rpiConfig->combinedTransform_ & Transform::VFlip)));\n-\t\tunicam_[Unicam::Image].dev()->setControls(&ctrls);\n+\t\tcontrols.set(V4L2_CID_HFLIP,\n+\t\t\t static_cast<int32_t>(!!(rpiConfig->combinedTransform_ & Transform::HFlip)));\n+\t\tcontrols.set(V4L2_CID_VFLIP,\n+\t\t\t static_cast<int32_t>(!!(rpiConfig->combinedTransform_ & Transform::VFlip)));\n \t}\n \n+\tif (!controls.empty())\n+\t\tsetSensorControls(controls);\n+\n \treturn 0;\n }\n \n@@ -1379,6 +1378,24 @@ void RPiCameraData::setDelayedControls(const ControlList &controls)\n \thandleState();\n }\n \n+void RPiCameraData::setSensorControls(ControlList &controls)\n+{\n+\t/*\n+\t * We need to ensure that if both VBLANK and EXPOSURE are present, the\n+\t * former must be written ahead of, and separately from EXPOSURE to avoid\n+\t * V4L2 rejecting the latter. This is identical to what DelayedControls\n+\t * does with the priority write flag.\n+\t */\n+\tif (controls.contains(V4L2_CID_EXPOSURE) && controls.contains(V4L2_CID_VBLANK)) {\n+\t\tControlList vblank_ctrl;\n+\n+\t\tvblank_ctrl.set(V4L2_CID_VBLANK, controls.get(V4L2_CID_VBLANK));\n+\t\tunicam_[Unicam::Image].dev()->setControls(&vblank_ctrl);\n+\t}\n+\n+\tunicam_[Unicam::Image].dev()->setControls(&controls);\n+}\n+\n void RPiCameraData::unicamBufferDequeue(FrameBuffer *buffer)\n {\n \tRPi::Stream *stream = nullptr;\n", "prefixes": [ "libcamera-devel", "v2", "2/4" ] }