From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D0A9C433FF for ; Wed, 31 Jul 2019 14:42:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E533F208E4 for ; Wed, 31 Jul 2019 14:42:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org 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linux-rockchip@lists.infradead.org References: <20190730184256.30338-1-helen.koike@collabora.com> <41e7e574-2708-eb4c-ea30-e6a1ac9c073e@collabora.com> <8ce532de-6c26-f8db-8754-c8dd1eb0764b@collabora.com> <74bb0ba1-2859-39ff-d946-129a440ba150@xs4all.nl> <13d89676-ae84-5904-7606-935501cb2d89@xs4all.nl> From: Helen Koike Openpgp: preference=signencrypt Autocrypt: addr=helen.koike@collabora.com; keydata= mQINBFmOMD4BEADb2nC8Oeyvklh+ataw2u/3mrl+hIHL4WSWtii4VxCapl9+zILuxFDrxw1p XgF3cfx7g9taWBrmLE9VEPwJA6MxaVnQuDL3GXxTxO/gqnOFgT3jT+skAt6qMvoWnhgurMGH wRaA3dO4cFrDlLsZIdDywTYcy7V2bou81ItR5Ed6c5UVX7uTTzeiD/tUi8oIf0XN4takyFuV Rf09nOhi24bn9fFN5xWHJooFaFf/k2Y+5UTkofANUp8nn4jhBUrIr6glOtmE0VT4pZMMLT63 hyRB+/s7b1zkOofUGW5LxUg+wqJXZcOAvjocqSq3VVHcgyxdm+Nv0g9Hdqo8bQHC2KBK86VK vB+R7tfv7NxVhG1sTW3CQ4gZb0ZugIWS32Mnr+V+0pxci7QpV3jrtVp5W2GA5HlXkOyC6C7H Ao7YhogtvFehnlUdG8NrkC3HhCTF8+nb08yGMVI4mMZ9v/KoIXKC6vT0Ykz434ed9Oc9pDow VUqaKi3ey96QczfE4NI029bmtCY4b5fucaB/aVqWYRH98Jh8oIQVwbt+pY7cL5PxS7dQ/Zuz 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<77968a89-eec0-bc2f-f996-ef3e21e9efd8@collabora.com> Date: Wed, 31 Jul 2019 11:42:26 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <13d89676-ae84-5904-7606-935501cb2d89@xs4all.nl> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190731_074241_347553_A793FB00 X-CRM114-Status: GOOD ( 22.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, eddie.cai.linux@gmail.com, kernel@collabora.com, heiko@sntech.de, zhengsq@rock-chips.com, jeffy.chen@rock-chips.com, zyc@rock-chips.com, linux-kernel@vger.kernel.org, tfiga@chromium.org, hans.verkuil@cisco.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, mchehab@kernel.org, ezequiel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/31/19 1:55 AM, Hans Verkuil wrote: > On 7/31/19 6:33 AM, Hans Verkuil wrote: >> On 7/31/19 6:29 AM, Hans Verkuil wrote: >>> On 7/31/19 2:08 AM, Helen Koike wrote: >>>> >>>> >>>> On 7/30/19 5:50 PM, Helen Koike wrote: >>>>> >>>>> >>>>> On 7/30/19 5:15 PM, Hans Verkuil wrote: >>>>>> On 7/30/19 8:42 PM, Helen Koike wrote: >>>>>>> Hello, >>>>>>> >>>>>>> I'm re-sending a new version of ISP(Camera) v4l2 driver for rockchip >>>>>>> rk3399 SoC. >>>>>>> >>>>>>> I didn't change much from the last version, just applying the >>>>>>> suggestions made in the previous one. >>>>>>> >>>>>>> This patchset is also available at: >>>>>>> https://gitlab.collabora.com/koike/linux/tree/rockchip/isp/v8 >>>>>>> >>>>>>> Libcamera patched to work with this version: >>>>>>> https://gitlab.collabora.com/koike/libcamera >>>>>>> (also sent to the mailing list) >>>>>>> >>>>>>> I tested on the rockpi 4 with a rpi v1.3 sensor and also with the >>>>>>> Scarlet Chromebook. >>>>>>> >>>>>>> Known issues (same as in v7): >>>>>>> ------------- >>>>>>> - Reloading the module doesn't work (there is some missing cleanup when >>>>>>> unloading) >>>>>>> - When capturing in bayer format, changing the size doesn't seem to >>>>>>> affect the image. >>>>>>> - crop needs more tests >>>>>>> - v4l2-compliance error: >>>>>>> fail: v4l2-test-controls.cpp(824): subscribe event for control 'Image Processing Controls' failed >>>>>>> test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: FAIL >>>>>> >>>>>> Can you mail me the full v4l2-compliance output? >>>>> >>>>> Sure, please check here: http://ix.io/1Q5u >>>>> I updated v4l-utils with the latest version and I re-ran bootstrap/configure/make, >>>>> but for some reason the hash from the link above is not the latest commit, probably some >>>>> old configuration somewhere. I'll resend this log as soon as I get v4l2-compliance >>>>> properly updated. >>>> >>>> Please see the output of v4l2-compliance here with an updated v4l-utils: http://ix.io/1Q6A >>> >>> So this FAIL is for /dev/v4l-subdev0 (rkisp1-isp-subdev). >>> >>> What is weird that this subdev does not appear to have controls at all. >>> >>> What is the output of 'v4l2-ctl -d /dev/v4l-subdev0 -l'? And if it lists >>> controls, then why? root@rockpi:~# v4l2-ctl -d /dev/v4l-subdev0 -l Image Processing Controls pixel_rate 0x009f0902 (int64) : min=1 max=2147483647 step=1 default=1 value=1 flags=read-only root@rockpi:~# v4l2-ctl -d /dev/v4l-subdev1 -l Image Processing Controls pixel_rate 0x009f0902 (int64) : min=1 max=2147483647 step=1 default=1 value=1 flags=read-only It seems that ISP heritage the control from the sensor driver. I believe it happens because isp_dev->ctrl_handler was assigned to the v4l2_dev object: dev.c: v4l2_ctrl_handler_init(&isp_dev->ctrl_handler, 5); dev.c: v4l2_dev->ctrl_handler = &isp_dev->ctrl_handler; >>> >>> If you run 'v4l2-compliance -u /dev/v4l-subdev0', do you get a fail as >>> well? Yes, but if I remove the ctrl_handler field from the struct rkisp1_isp_subdev I don't get the error on /dev/v4l-subdev0 (ISP) anymore, I just get the error on /dev/v4l-subdev1 (the sensor). Here is the output of v4l2-compliance -m /dev/media0 without the ctrl_handler field: http://ix.io/1Q9N >> >> I see the same issue with v4l-subdev1, but I see no "Media Driver Info" >> in the v4l2-compliance output for that subdev. That's strange. It would >> be good to know why that's happening. > > It looks to be some parenting issue: v4l2-compliance expects to find > a mediaX directory in /sys/dev/char/81\:Y/device/ where 81:Y is the major/minor > of /dev/v4l-subdev1. > > Because is this mi_get_media_fd() cannot find the media device for the subdev > in v4l2-compliance. So from my understanding this seems to be an issue in the sensor driver that I'm using and not in the ISP (to be verified). I'll submit the next version without the ctrl_handler field in struct rkisp1_isp_subdev, is that ok? Thanks Helen > > Regards, > > Hans > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel