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 C9C77C5B572 for ; Mon, 17 Aug 2026 17:30:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=y5Pra3THzIVOlmRyyRdJIT0bag90f/neDmF8YdMv42w=; b=plEXVhPDmQjMZn 7amS4I9soi1Zdq/LfDQgOO434N2+mlXzFEhgfna02Q8QKSaUjsHtzgHX8uNE+8wkS3BA0yF2Nsugs 5C3OChLk6nfv0jIoxZsOyEoVXkHPXH8zWcQjlQLdKOuyYPby9/AfKaOJ3/CS+pyKIGXVgCmzJxCpA a4dLuEYcEgUUm4d0Nz7hbnZmvw2OlPJA3C4OddQA5YyF0AQjlMYAdZKNkMCuaKcy0il15ns51rLGp 7rgi/Xg8i7KTayNDnffg5ZtZoqMeIqZ/PjtcO0LMe+tn4g5+dbi3eM4NWk2ayPIPI2GQdFyA9gHaJ ko8HvMnKd0dcdQG9w2Zw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1ww1AE-00000006atf-3z9P; Mon, 17 Aug 2026 17:30:22 +0000 Received: from mail-wr1-x432.google.com ([2a00:1450:4864:20::432]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1ww1AC-00000006asc-3gqB for linux-phy@lists.infradead.org; Mon, 17 Aug 2026 17:30:22 +0000 Received: by mail-wr1-x432.google.com with SMTP id ffacd0b85a97d-47f611b3af9so418712f8f.3 for ; Mon, 17 Aug 2026 10:30:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786987819; x=1787592619; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ug6Bnzoc9QivZt6Gh/tEHOb+vmUWZqzOUREdpceQcs4=; b=GOlnuA/+i25yjmog5h0TpRAN9sPb48a05/XO48AatIBW+4DV6BUZa5/KFoQCeWlUsx TkJNRg5TylTiJXNCRueQzbz8zPHkeMVv7y1QOV5hDe8zS+J+HMdY7VcP150nZroVAD5j 9rP2+jGMRxkWlFRDeMwwqLcOs62i5E49BbiR5chU2HAL0i0PWh5A5hvPcI6qDSSYHDB+ Bx95tw1GNTBi3PZRUzuJyYYXZkMMpIESl1Apt99eb1Y9BwiJ5Efkt3NAWVViirBoyZIr IbFEoimY4EPSYRa9Lnus4yYHxqbLJ6++NaqOqthqyJ8G7/yDCBj8ZhM0HpjzcRzs5l9c ytaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786987819; x=1787592619; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ug6Bnzoc9QivZt6Gh/tEHOb+vmUWZqzOUREdpceQcs4=; b=LQEjkHuGxeMZurItsOdeeQyU8NOizeXeLsvsq34ivgzbD0hyKKGZoru3MSfm+FNFn1 UOknNnDylADRjvVq8ulhvH40ZzoeOR9y3uhYgmamR28mcwIeEXHOWzEY0Mg+3jEtsaHx smyTe5IETypubcg+++vQoCoK/wpYW2h+iBAK/8kkBxXVVmqKF+nr9pIWtR2jCsQod/eX Z/56egaCZmbeJ8vZA0iiHPa/RBNLxzdtIOH63p8Ootjvxg/cEXTqEOpQVZCpb/Uvbd6s mNgZ+hNpHqF9U4gDf7PdRn6XrSKlYVIKSQ3waSSIY83oGF+M40GLg0c9O11YSTmvK38H zPrw== X-Forwarded-Encrypted: i=1; AHgh+RpSeGpFHx1gQfdSphL/ys1liqaf3ranlpspzE/U63FkasjnFS6G/KA56fgcCKUS1Zlef7a3Q1D4SrY=@lists.infradead.org X-Gm-Message-State: AOJu0YyZt8XLxvEGoK9AA33TpxQ2T4+WK7McLogKPMWHhBBUX06j6WJJ Hgfo0f9VV9flSQ2p3uZWsYiR3O/BYDbBKDhmU09X2u6P+ShH9b+bpTUN X-Gm-Gg: AR+sD13xP7mDEQK4T2V3J2lzEL1Sb8JGPhNTfeHzuhclgcw6/E01+bOWhW2rTusuVl6 mp72AFtQ/Xr56BJceekQ046thkIb1YsogfWV6q7wUNaa/sOv7DOM1gmcP5hOyTU/zyshyrDOAE4 +WiVxsoxuR5LpWGHgMzoCJnlmh5ZU/6XkFmAyrcay8xMHSK1UIamJP71HL57LkWPBSektz2MQle 3OTyz51tQAPeYDNywKx9ZqJECvg57cICZrnULReQzzDt/Z16D4wGm+8YJfU+B2YTfqH9eQ5p3bN udyLcxlqlFYunaQr76SPeJpkep3A9fzN3WJ/OvwmjyaRjUkI8PK+wq3lWIEl+EWZiGh8Ag6jISO 3KSd3M9HF5Mva+41aAxUkjIaKxkFbrxywPpqLOUv64cEYhk1GMlvSqR79gyMEzL8gSBGp6i6h+U fZVoEHsaFBh38/bUBI252b03iVh5Gaq0e1dfz1fdQWzlri4Ppl6qVaFGzBfvCb0zlQSfrRiZauQ Jb58nNG8qaFmPK6WMouksY4IcaRNztsfTA5kg0mPwBDXBPtWzVEKTCIrwJA5T7n1avi0g== X-Received: by 2002:a05:6000:601:b0:47f:e8af:7687 with SMTP id ffacd0b85a97d-4816070569fmr19813569f8f.1.1786987818793; Mon, 17 Aug 2026 10:30:18 -0700 (PDT) Received: from OrangePi5-Plus.BB-HOME (20014C4E1B8FC50088291D65FF092D15.dsl.pool.telekom.hu. [2001:4c4e:1b8f:c500:8829:1d65:ff09:2d15]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-482a5b81748sm5966682f8f.37.2026.08.17.10.30.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 10:30:18 -0700 (PDT) From: Igor Paunovic To: Sebastian Reichel Cc: Igor Paunovic , Vinod Koul , Heiko Stuebner , Frank Wang , Andy Yan , Dmitry Baryshkov , Alexey Charkov , linux-phy@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com Subject: Re: [PATCH v14 00/38] phy: rockchip: usbdp: Clean up the mess Date: Mon, 17 Aug 2026 19:29:52 +0200 Message-ID: <20260817172955.16305-1-royalnet026@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: <20260815121608.64818-1-royalnet026@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260817_103020_934889_0DDF1589 X-CRM114-Status: UNSURE ( 6.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Hi Sebastian, > 30 seconds for PD negotiation is indeed very slow. Usually it's at > least 10x faster. Have you checked for the root cause via TCPM log? I have now, and I owe you a correction: the 30 s was my measurement artifact, not negotiation time. The journal does not record the replug instant, so the figure I quoted was deregistration to re-registration - including however long the cable simply sat unplugged. Today, with the TCPM debugfs log and a controlled replug: [12954.114919] CC1: 0 -> 2, CC2: 0 -> 1 <- replug [12955.837527] PD RX, header: 0x2e8f <- PD exchange running DRM reports the connector connected 2.1 s after the replug and the compositor lights the output about 4 s after. The adapter negotiates at normal speed; nothing to chase. Sorry for the noise, and thanks for the tcpm devres fix. Regards, Igor -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f47.google.com (mail-wr1-f47.google.com [209.85.221.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ABB9625F99F for ; Mon, 17 Aug 2026 17:30:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786987822; cv=none; b=sLVYtZYbMgJlOO32eqKx3GNBPXsiytHJ1+poUs/lvANPu2trfusKQ1Fz+kd4hhbahIItR5OjqzmAcw7/XNSVhZ1n7JpMBWDxYdGeUwcX1kAlWk3DuGOxpRp/6aOL3s4/Oppa78tU+/QZa6WE9J4f3sdjG8z6AxuR5f1xI4wqLUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786987822; c=relaxed/simple; bh=LRBux2gMcBgg/d1zLQuruBvkNFVU5Gfi+jxuiFrXHXE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dJxsbMqv/ma3hT2LS77h0tBRu/8DSZjz4KfAajzR2LQOlkn1a+Bu6lzft9VGowzIXzzcxlU3blH7/ozdkTZQ6TC9qkKv0Oss6wrZV11hfKgYMp/BYJwgc2w+SLdWFuMKC8gr59xLmfEh+ybABU1lksp4hfIGLNuP+9xMvJjPyyQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=EIrMBNx0; arc=none smtp.client-ip=209.85.221.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EIrMBNx0" Received: by mail-wr1-f47.google.com with SMTP id ffacd0b85a97d-47f611b3af9so418711f8f.3 for ; Mon, 17 Aug 2026 10:30:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786987819; x=1787592619; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ug6Bnzoc9QivZt6Gh/tEHOb+vmUWZqzOUREdpceQcs4=; b=EIrMBNx00KSZB13Mc60uYOazXHG3+CRnI2DlgfYfQAwY/4WsRTpJBXyFAtvj5yrvPT siNglhrU0bCFD88mok8MNJ9Vq77GZN5+k32wnif6MEFFdezJRab+1OxVQZNouZ0YPAoO fvMDaHU2aVXgFOlgtDczbSIw5L4qKEJVF2715pFtZwXfL75krgVukG0hM84/mqBrmleq JDMofrTRkj0cOAOsYH5oqZsux+1LUKc0d+L3KSlbSDGaNyn6jIf7fPoR1BoSA3ji7WRU mjLZIuezLTyZFllaMWFH9pLVtR7jBwZp3ndSV2GbKNpAtEYz/Ej0xwh8LNnszYQ8SJ8X bLOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786987819; x=1787592619; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ug6Bnzoc9QivZt6Gh/tEHOb+vmUWZqzOUREdpceQcs4=; b=EtJ6bC3R8LJS4+N71iB3s1MBwqtnJGvy+5mu/cQ5EyS5EdDDuIjhNhSalJwUlQY9K9 hIaKoyfloDxbO1kxU/PsPS+cEgAHSHPwhkeFmY24hAC4dgv2XzONsukPI1OkEb/J2JW3 znjdFFbEcreuqeEbjIRaGQC/vzxkg+MhjrX9QjN31kG0g7nI9MYBoruRvi/yY5Y3yf1k wPGU5mYPkzwnKCDIEIeV4j6IuhOJqxOsxCB3LgA0G8fIxm9jxEsQ733HuTHJPVHwxBrh XmroVhT85gsLK+9hLdkRx8HCvZHVp6mc7Utz4ECggpnbitj2/8D9D/80tpBPgBaU0+be UT8Q== X-Forwarded-Encrypted: i=1; AHgh+RopXmCrqzo/EI9O4ZbA+oY4d1ecpKX5qjrQCes5X76Xq35VzjhfLZC8Nofet4UCebbf16KZ2UXcgixr0Ic=@vger.kernel.org X-Gm-Message-State: AOJu0YyOYTWIUhoiGAb+OQunmcH9xpp8CdbqtHYgi7zjvXpST9KD9CaC aSBnMlBF1Y1Ed19hTKxXMV3hl6KUqwgppGjQTQlGfSbt/mgGi1prOv5q X-Gm-Gg: AR+sD11QGPISyYFNgrm/r3wf0qbtjhxBMqe9wi622s3Jh9EGg+GF+B18+a0+XgFkINw ZREmtx7thjZYi0faH8m7PZt8OeesyzPf8OyOfORLNz2Lctb1vmN7HF1YNDafJV6JJ/Ynf9lKcWl 0JqEoSEGJA2arVObm17lv0MawRLYhCfx+vDTbAW4QG+SBVAPEoLlbiMLSm4xJTsZcz2jEQQ3y+G ur5HO4DXOaQ3dP1/ItNQ6wLeIB/xWVSBbhNLKPO7DMW45VNyfj9LkBqBsE9irJ8MtUREN98Z6U9 gNNS+T1lg+98Rhc6DP0XB37mteafYZEn6lv/vkFo+jCBVy8irdWGwQz71RjSog0vqlLmCTeu7iC fVsf0+6i2vPhBvv6K8+67IfIdKhe+W+s7n/BjpTq9NcgIQP0pxSUdP6DE3IiQOL5shMny7Dx6E4 q/zxsZHxqdNf5k0PnZfiquupX0cdGY3jZkssQWWRB3Dlq05LSZd1QwXAszIxRW9MyNOG4B9EY87 w5e3Bqg+3IV3smaQ6HOpkKxmSezS+yCDI7f5XjKFp1BmY09vpmvbN+3sp9wlfpxAfZ5Uw== X-Received: by 2002:a05:6000:601:b0:47f:e8af:7687 with SMTP id ffacd0b85a97d-4816070569fmr19813569f8f.1.1786987818793; Mon, 17 Aug 2026 10:30:18 -0700 (PDT) Received: from OrangePi5-Plus.BB-HOME (20014C4E1B8FC50088291D65FF092D15.dsl.pool.telekom.hu. [2001:4c4e:1b8f:c500:8829:1d65:ff09:2d15]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-482a5b81748sm5966682f8f.37.2026.08.17.10.30.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 10:30:18 -0700 (PDT) From: Igor Paunovic To: Sebastian Reichel Cc: Igor Paunovic , Vinod Koul , Heiko Stuebner , Frank Wang , Andy Yan , Dmitry Baryshkov , Alexey Charkov , linux-phy@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com Subject: Re: [PATCH v14 00/38] phy: rockchip: usbdp: Clean up the mess Date: Mon, 17 Aug 2026 19:29:52 +0200 Message-ID: <20260817172955.16305-1-royalnet026@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: <20260815121608.64818-1-royalnet026@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Sebastian, > 30 seconds for PD negotiation is indeed very slow. Usually it's at > least 10x faster. Have you checked for the root cause via TCPM log? I have now, and I owe you a correction: the 30 s was my measurement artifact, not negotiation time. The journal does not record the replug instant, so the figure I quoted was deregistration to re-registration - including however long the cable simply sat unplugged. Today, with the TCPM debugfs log and a controlled replug: [12954.114919] CC1: 0 -> 2, CC2: 0 -> 1 <- replug [12955.837527] PD RX, header: 0x2e8f <- PD exchange running DRM reports the connector connected 2.1 s after the replug and the compositor lights the output about 4 s after. The adapter negotiates at normal speed; nothing to chase. Sorry for the noise, and thanks for the tcpm devres fix. Regards, Igor 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 7EDA2C5B572 for ; Mon, 17 Aug 2026 17:30:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gEBykDBj/u3ILqIKlRQiI34tR5nk/2+BjhKg6Kzn914=; b=pfcdAl599Clowa qammkLchaL6KzvjtVXPL/PoUy/4iG14WJhnJBod3sj3/elg2nvqNCgkU1TJbNWNRyKTY11TttRdtY rAaQYZSfaYdemXoarltpIAaxmD9F4kMg5BKeUOJPmBiC7RsutNwokFWiNHIo9pWZDaxHSxCT0M7d/ fu3ptr1s44OoCHipU07Jj28dci113/nhJ1XzmOqGwYbhWC4Lx4wlUKUAlZjnkCq15DCwnNVaVNWM5 QBNsiJZfuXSUEXV5srFZcq3/LC1LzllFt6NVBMssCHyE8EAcp4ZJdPgio4WxOUMR7M/gmqz4rjZOU nyHYIbobBZUI7MNCSTZQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1ww1AG-00000006auF-01PF; Mon, 17 Aug 2026 17:30:24 +0000 Received: from mail-wr1-x430.google.com ([2a00:1450:4864:20::430]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1ww1AC-00000006ase-3hGo for linux-rockchip@lists.infradead.org; Mon, 17 Aug 2026 17:30:22 +0000 Received: by mail-wr1-x430.google.com with SMTP id ffacd0b85a97d-47fe45db360so454080f8f.2 for ; Mon, 17 Aug 2026 10:30:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786987819; x=1787592619; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ug6Bnzoc9QivZt6Gh/tEHOb+vmUWZqzOUREdpceQcs4=; b=GOlnuA/+i25yjmog5h0TpRAN9sPb48a05/XO48AatIBW+4DV6BUZa5/KFoQCeWlUsx TkJNRg5TylTiJXNCRueQzbz8zPHkeMVv7y1QOV5hDe8zS+J+HMdY7VcP150nZroVAD5j 9rP2+jGMRxkWlFRDeMwwqLcOs62i5E49BbiR5chU2HAL0i0PWh5A5hvPcI6qDSSYHDB+ Bx95tw1GNTBi3PZRUzuJyYYXZkMMpIESl1Apt99eb1Y9BwiJ5Efkt3NAWVViirBoyZIr IbFEoimY4EPSYRa9Lnus4yYHxqbLJ6++NaqOqthqyJ8G7/yDCBj8ZhM0HpjzcRzs5l9c ytaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786987819; x=1787592619; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ug6Bnzoc9QivZt6Gh/tEHOb+vmUWZqzOUREdpceQcs4=; b=VxR5bx6EeqXuRjyY8jw7DPerPh3LDCWOZkrGq03u1m7uQucdaas1D3yCRNfyVo+hcR 0b7hC1sIHa+TgN5GlCr2pdOOVr2WvdLiYlqi3ghr3KxZg16N4VmQoUHKtcsNgbODFjQo AYJ/1yoVVGoOb3nBT+7NgM7hkoHW14+BeSjFJ7Uts9LSk/THIqgA2A/28NTs13jLXDB6 UrdcB7yLA5Uhdv6NNnVh2G4V66iGZ7MRM38DdxfznyO+z/sBEgfTuPN84oYA2QJRiuky C5jzWAVg8FG7aHyYTpjXBtuOlyxM4nQv8kONV4ir63jCbj/gSw2EDIrbDZadfM1IZOPF r+3w== X-Forwarded-Encrypted: i=1; AHgh+RpZpMr+9aE+fdjztb+yeQi9VB6S/ooWnrcrfSpaMG2BLyPLwj7V7BaFSYfC0hhp0mg9gIbvkDT96i84DbAHgg==@lists.infradead.org X-Gm-Message-State: AOJu0Yzh047pC8GXl+vIRpwe1koU83vU8bKQ1wc75M/zgNBPziH69MQc 5dL4EF0Maaujdh1TmkdF5cMMypnTVKSEEALfX9DXx0CTipuoVa1OIToN X-Gm-Gg: AR+sD11suLan8PKaMu5UnCOEhQN0Xxv384cCmQ9igeUlPybTSdOlPtQcBh3Pu/zc7Of ht/8dX5WJq8LNHR5si1LaBNfKQNmS+Ze8Y+muG2gcVB+7VjDuClaAFV4ydP0/vOkcPe2wgop481 qTxE70JrX6Rs3JJVHDrKTaTzqURYNkfMLwOjlv204I/miP0O0palNElsMFpe8ZQQk6cQMPZhwPl lijrWV3AgitRedy1np5VYFFI4uwH8qRX1OidHoYd0PZfHMsyyUJkT7x0a0ppmcn62D+8epPseBO xob1HzaROZCzLNeUOSpePtVpwdOpf4Y9cdGxLalepJ9Oof87dBxq7wySU1QmHk4BWeO+esXIWFY +SdX8GxrW1J2IkK3ADahvjUAppqR52sJw1lFwpO1Apjrc6GenAvqS5AMEbMZezCGt7aYi9g5KUT 9V0JAu13xKgfau6rNpcR4O92SnAUUAbAfPIEpZistrKIpa4qNwfZtphDf3aHW34qt3HSM5ASR1l GhKChDgS2xT4yvr3XqMnzh1lH/TMgToa2M+sGkEGR3dFTXNZrEt8z5Ht8zqrxLf92tnPQ== X-Received: by 2002:a05:6000:601:b0:47f:e8af:7687 with SMTP id ffacd0b85a97d-4816070569fmr19813569f8f.1.1786987818793; Mon, 17 Aug 2026 10:30:18 -0700 (PDT) Received: from OrangePi5-Plus.BB-HOME (20014C4E1B8FC50088291D65FF092D15.dsl.pool.telekom.hu. [2001:4c4e:1b8f:c500:8829:1d65:ff09:2d15]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-482a5b81748sm5966682f8f.37.2026.08.17.10.30.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 10:30:18 -0700 (PDT) From: Igor Paunovic To: Sebastian Reichel Cc: Igor Paunovic , Vinod Koul , Heiko Stuebner , Frank Wang , Andy Yan , Dmitry Baryshkov , Alexey Charkov , linux-phy@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com Subject: Re: [PATCH v14 00/38] phy: rockchip: usbdp: Clean up the mess Date: Mon, 17 Aug 2026 19:29:52 +0200 Message-ID: <20260817172955.16305-1-royalnet026@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: <20260815121608.64818-1-royalnet026@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260817_103020_929758_AC344158 X-CRM114-Status: UNSURE ( 7.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi Sebastian, > 30 seconds for PD negotiation is indeed very slow. Usually it's at > least 10x faster. Have you checked for the root cause via TCPM log? I have now, and I owe you a correction: the 30 s was my measurement artifact, not negotiation time. The journal does not record the replug instant, so the figure I quoted was deregistration to re-registration - including however long the cable simply sat unplugged. Today, with the TCPM debugfs log and a controlled replug: [12954.114919] CC1: 0 -> 2, CC2: 0 -> 1 <- replug [12955.837527] PD RX, header: 0x2e8f <- PD exchange running DRM reports the connector connected 2.1 s after the replug and the compositor lights the output about 4 s after. The adapter negotiates at normal speed; nothing to chase. Sorry for the noise, and thanks for the tcpm devres fix. Regards, Igor _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip