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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9F8CDD1CDA0 for ; Tue, 22 Oct 2024 05:51:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Z3y+SDlReV3I38qEVfzJ3WzIHOXpKszrgaJ91fWqawk=; b=qtvn/Jvsf59DVAmliAdjIUHoWJ nsm2z50kEpajMSD1D6nyW5V9+luxBDM4vz3OL6oT05kPjbcS2S62szm1d2Ja9xuBBE7WuFbbJlLvu jNv5HDy9g2ZWYTB3nL4jrR3mScZ/7zU5Bu6GIhbNbFqT4Urn06mg0NPEXsc5qiDqNfzDzwLw3lQko eMx57NRGuoQvsq1P0zbWPRaSyiM313tl47+HogrqYu6/lc1aro6yquBbEkwpRjNZ56pHVMklLRJDX ItHzXjB45VcM4UU17UYsfI+6/LHlqw73GmSgNa0dmHvoniC64JEZPgXoWjrsEEUiRRoRemBxf+9ec ySgFJdbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t37nA-00000009idZ-0f5g; Tue, 22 Oct 2024 05:50:52 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t37hS-00000009hkj-45FJ; Tue, 22 Oct 2024 05:45:00 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id A29475C5CFD; Tue, 22 Oct 2024 05:44:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31C3BC4CEC3; Tue, 22 Oct 2024 05:44:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729575897; bh=fwAB4lN4ySrOldfC1ebFo4dTdh5jfFE8TRdPDvEge3c=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=CljLVCBW6toX501JM+W1HWb2ASiYzOPDhD/rRsnvm8K34UG3L+yaqi01WA/z50xhM kiW/qPCE2Eb03IeWidN8/x1fDherJd5Cme0SNchukqpmJ9P0G1BX/IKwrsaB11Ia7d Ximv4EwHSc+EKTK+kyO+SagGOQ9iXAJN2PTTwVvTcUFZFidTv03YMk2xO53tbA0apt v0ayYAhO4kEP42Y/IILYSy9o4QSJCw0GpL5C5dAH/h2+K3s2f02RFtVdxtUqUV4N04 eMTs6m0Vts6swSoN0zPtI/rLsZ0Im4irMhll5A30f3U5rh+3zD1eSWK3bQ5eIqcb1y sSXxgLpGQXNyg== Message-ID: Date: Tue, 22 Oct 2024 07:44:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 05/10] media: platform: mediatek: add isp_7x camsys unit To: Shu-hsiang Yang , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Sumit Semwal , Christian Konig Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Project_Global_Chrome_Upstream_Group@mediatek.com, yaya.chang@mediatek.com, teddy.chen@mediatek.com, hidenorik@chromium.org, yunkec@chromium.org, shun-yi.wang@mediatek.com References: <20241009111551.27052-1-Shu-hsiang.Yang@mediatek.com> <20241009111551.27052-6-Shu-hsiang.Yang@mediatek.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJgPO8PBQkUX63hAAoJEBuTQ307 QWKbBn8P+QFxwl7pDsAKR1InemMAmuykCHl+XgC0LDqrsWhAH5TYeTVXGSyDsuZjHvj+FRP+ gZaEIYSw2Yf0e91U9HXo3RYhEwSmxUQ4Fjhc9qAwGKVPQf6YuQ5yy6pzI8brcKmHHOGrB3tP /MODPt81M1zpograAC2WTDzkICfHKj8LpXp45PylD99J9q0Y+gb04CG5/wXs+1hJy/dz0tYy iua4nCuSRbxnSHKBS5vvjosWWjWQXsRKd+zzXp6kfRHHpzJkhRwF6ArXi4XnQ+REnoTfM5Fk VmVmSQ3yFKKePEzoIriT1b2sXO0g5QXOAvFqB65LZjXG9jGJoVG6ZJrUV1MVK8vamKoVbUEe 0NlLl/tX96HLowHHoKhxEsbFzGzKiFLh7hyboTpy2whdonkDxpnv/H8wE9M3VW/fPgnL2nPe xaBLqyHxy9hA9JrZvxg3IQ61x7rtBWBUQPmEaK0azW+l3ysiNpBhISkZrsW3ZUdknWu87nh6 eTB7mR7xBcVxnomxWwJI4B0wuMwCPdgbV6YDUKCuSgRMUEiVry10xd9KLypR9Vfyn1AhROrq AubRPVeJBf9zR5UW1trJNfwVt3XmbHX50HCcHdEdCKiT9O+FiEcahIaWh9lihvO0ci0TtVGZ MCEtaCE80Q3Ma9RdHYB3uVF930jwquplFLNF+IBCn5JRzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmA872oFCRRflLYACgkQG5NDfTtBYpvScw/9GrqBrVLuJoJ52qBBKUBDo4E+5fU1bjt0 Gv0nh/hNJuecuRY6aemU6HOPNc2t8QHMSvwbSF+Vp9ZkOvrM36yUOufctoqON+wXrliEY0J4 ksR89ZILRRAold9Mh0YDqEJc1HmuxYLJ7lnbLYH1oui8bLbMBM8S2Uo9RKqV2GROLi44enVt vdrDvo+CxKj2K+d4cleCNiz5qbTxPUW/cgkwG0lJc4I4sso7l4XMDKn95c7JtNsuzqKvhEVS oic5by3fbUnuI0cemeizF4QdtX2uQxrP7RwHFBd+YUia7zCcz0//rv6FZmAxWZGy5arNl6Vm lQqNo7/Poh8WWfRS+xegBxc6hBXahpyUKphAKYkah+m+I0QToCfnGKnPqyYIMDEHCS/RfqA5 t8F+O56+oyLBAeWX7XcmyM6TGeVfb+OZVMJnZzK0s2VYAuI0Rl87FBFYgULdgqKV7R7WHzwD uZwJCLykjad45hsWcOGk3OcaAGQS6NDlfhM6O9aYNwGL6tGt/6BkRikNOs7VDEa4/HlbaSJo 7FgndGw1kWmkeL6oQh7wBvYll2buKod4qYntmNKEicoHGU+x91Gcan8mCoqhJkbqrL7+nXG2 5Q/GS5M9RFWS+nYyJh+c3OcfKqVcZQNANItt7+ULzdNJuhvTRRdC3g9hmCEuNSr+CLMdnRBY fv0= In-Reply-To: <20241009111551.27052-6-Shu-hsiang.Yang@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241021_224459_163721_E8F08E52 X-CRM114-Status: GOOD ( 19.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 09/10/2024 13:15, Shu-hsiang Yang wrote: > Introduces the top media device driver for the MediaTek ISP7X CAMSYS. > The driver maintains the camera system, including sub-device management, > DMA operations, and integration with the V4L2 framework. It handles > request stream data, buffer management, and MediaTek-specific features, > and pipeline management, streaming control, error handling mechanism. > Additionally, it aggregates sub-drivers for the camera interface, raw > and yuv pipelines. > > Signed-off-by: Shu-hsiang Yang ... > + > +static int mtk_cam_probe(struct platform_device *pdev) > +{ > + struct mtk_cam_device *cam_dev; > + struct device *dev = &pdev->dev; > + struct resource *res; > + int ret; > + unsigned int i; > + > + dev_dbg(dev, "camsys | start %s\n", __func__); NAK. Same issues. > + > + /* initialize structure */ > + cam_dev = devm_kzalloc(dev, sizeof(*cam_dev), GFP_KERNEL); > + if (!cam_dev) > + return -ENOMEM; > + > + if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(34))) { > + dev_err(dev, "%s: No suitable DMA available\n", __func__); > + return -EIO; > + } > + > + if (!dev->dma_parms) { > + dev->dma_parms = > + devm_kzalloc(dev, sizeof(*dev->dma_parms), GFP_KERNEL); > + if (!dev->dma_parms) > + return -ENOMEM; > + } > + > + dma_set_max_seg_size(dev, UINT_MAX); > + > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + if (!res) { > + dev_err(dev, "failed to get mem\n"); > + return -ENODEV; > + } > + > + cam_dev->base = devm_ioremap_resource(dev, res); > + if (IS_ERR(cam_dev->base)) { > + dev_err(dev, "failed to map register base\n"); > + return PTR_ERR(cam_dev->base); > + } > + > + cam_dev->dev = dev; > + dev_set_drvdata(dev, cam_dev); > + > + cam_dev->composer_cnt = 0; > + cam_dev->num_seninf_devices = 0; > + > + cam_dev->max_stream_num = MTKCAM_SUBDEV_MAX; > + cam_dev->ctxs = devm_kcalloc(dev, cam_dev->max_stream_num, > + sizeof(*cam_dev->ctxs), GFP_KERNEL); > + if (!cam_dev->ctxs) > + return -ENOMEM; > + > + cam_dev->streaming_ctx = 0; > + for (i = 0; i < cam_dev->max_stream_num; i++) > + mtk_cam_ctx_init(cam_dev->ctxs + i, cam_dev, i); > + > + cam_dev->running_job_count = 0; > + spin_lock_init(&cam_dev->pending_job_lock); > + spin_lock_init(&cam_dev->running_job_lock); > + INIT_LIST_HEAD(&cam_dev->pending_job_list); > + INIT_LIST_HEAD(&cam_dev->running_job_list); > + > + cam_dev->dma_processing_count = 0; > + spin_lock_init(&cam_dev->dma_pending_lock); > + spin_lock_init(&cam_dev->dma_processing_lock); > + INIT_LIST_HEAD(&cam_dev->dma_pending); > + INIT_LIST_HEAD(&cam_dev->dma_processing); > + > + mutex_init(&cam_dev->queue_lock); > + > + pm_runtime_enable(dev); > + > + ret = mtk_cam_of_rproc(cam_dev, pdev); > + if (ret) > + goto fail_destroy_mutex; > + > + ret = register_sub_drivers(dev); > + if (ret) { > + dev_err(dev, "fail to register_sub_drivers\n"); > + goto fail_destroy_mutex; > + } > + > + /* register mtk_cam as all isp subdev async parent */ > + cam_dev->notifier.ops = &mtk_cam_async_nf_ops; > + v4l2_async_nf_init(&cam_dev->notifier, &cam_dev->v4l2_dev); > + ret = mtk_cam_async_subdev_add(dev); /* wait all isp sub drivers */ > + if (ret) { > + dev_err(dev, "%s failed mtk_cam_async_subdev_add\n", __func__); > + goto fail_unregister_sub_drivers; > + } > + > + ret = v4l2_async_nf_register(&cam_dev->notifier); > + if (ret) { > + dev_err(dev, "%s async_nf_register ret:%d\n", __func__, ret); > + v4l2_async_nf_cleanup(&cam_dev->notifier); > + goto fail_unregister_sub_drivers; > + } > + > + ret = mtk_cam_debug_fs_init(cam_dev); > + if (ret < 0) > + goto fail_unregister_async_nf; > + > + dev_info(dev, "camsys | [%s] success\n", __func__); NAK. Same issues. > + > + return 0; > + > +fail_unregister_async_nf: > + v4l2_async_nf_unregister(&cam_dev->notifier); > + > +fail_unregister_sub_drivers: > + unregister_sub_drivers(dev); > + > +fail_destroy_mutex: > + mutex_destroy(&cam_dev->queue_lock); > + > + return ret; > +} > + > +static void mtk_cam_remove(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct mtk_cam_device *cam_dev = dev_get_drvdata(dev); > + > + pm_runtime_disable(dev); > + > + mtk_cam_debug_fs_deinit(cam_dev); > + > + v4l2_async_nf_unregister(&cam_dev->notifier); > + > + unregister_sub_drivers(dev); > + > + mutex_destroy(&cam_dev->queue_lock); > +} > + > +static const struct dev_pm_ops mtk_cam_pm_ops = { > + SET_RUNTIME_PM_OPS(mtk_cam_runtime_suspend, mtk_cam_runtime_resume, > + NULL) > +}; > + > +static struct platform_driver mtk_cam_driver = { > + .probe = mtk_cam_probe, > + .remove = mtk_cam_remove, > + .driver = { > + .name = "mtk-cam", > + .of_match_table = of_match_ptr(mtk_cam_of_ids), Same issues as in previous patch. All my comments apply to all your patches in this thread. > + .pm = &mtk_cam_pm_ops, > + } > +}; Best regards, Krzysztof