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[147.75.48.161]) by mx.google.com with ESMTPS id i65-20020a639d44000000b005ca1286f8f7si529388pgd.308.2024.01.08.15.45.23 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jan 2024 15:45:23 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-20192-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=V+7RGMXv; spf=pass (google.com: domain of linux-kernel+bounces-20192-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-20192-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 90EC5B22D02 for ; Mon, 8 Jan 2024 23:45:17 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 85ADE5647D; Mon, 8 Jan 2024 23:45:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="V+7RGMXv" Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com [209.85.128.45]) (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 2045B56444 for ; Mon, 8 Jan 2024 23:45:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Received: by mail-wm1-f45.google.com with SMTP id 5b1f17b1804b1-40e4d64a431so2960795e9.0 for ; Mon, 08 Jan 2024 15:45:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1704757503; x=1705362303; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=kpE4qjeetNEvv2r2f+0SxvAe1muEwFSilksS8BiXRqc=; b=V+7RGMXvtO2I3zQh6Uf+7I++ZiXRzIEhKwPl86hBtUjAZsobYxAUXGptSMcFPPGpTs xyR0c3LqP2PvbTKaxBkYkNy/5lRkGy3sef4g+X7SXzZhKdppWxpYweKtLu8cTy6o5rug Xl6ySxgZXrFfSCMUOhiEWj2VY8bVzfFoqa9Ygy/V7jUvFIwiAdtA7lmkb+ySyc8Y/Zkf IFZcRFrrizXvLrVF0AN7TmbtA90umArRDM1HyRskjigNfICChRF5oYMNlI2ysK1UGFz+ 7DMMrUHvNroUSKb5oM28robR1ayJ6cL+3RFvWQpzJVpvBga2BearNU0WsdxMjkXJTB3J 5J9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704757503; x=1705362303; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=kpE4qjeetNEvv2r2f+0SxvAe1muEwFSilksS8BiXRqc=; b=OGx5Vy/3s//9kBS3omizBjDESw/QGkRJCmxDKwHIJcrX1d6BFRHyZyZ0P5NorzIWgQ 5ynFPbniW5l4Hj5Y81ETL53lojYSrvkKRw996oPficbTBdmDC8Kp+u8S65RyFlBKqf9U A6ODJoX9k7bz0Sr+1YPJk3cJZ6ZSb35mP9H18HYTgd5K3viD4iyPTKzCmmXmvHyJHsXs UjWLGkeUBG7DmArFwLqRlLxoVbpcobycB2AvFAZIdBSuitXfsTLcMuYpNMHB3SMck2SR 455GbVbb3M5/1Dsv0REfCzqWIUIknwG5mEn1lGtMl5SCwJUXSZ43tvpmH5r9xCJJ0slC FGhA== X-Gm-Message-State: AOJu0YygRe7s7VTfoC61lhd0ZPChpIQ6a8pPBjq0Ym6i4aqaVSmDM9Df H3j+53miH+mar8Gj8MfV+T0qrIfVkAkU+A== X-Received: by 2002:a05:600c:ccb:b0:40e:4c1a:e87c with SMTP id fk11-20020a05600c0ccb00b0040e4c1ae87cmr395739wmb.119.1704757503250; Mon, 08 Jan 2024 15:45:03 -0800 (PST) Received: from [192.168.100.48] ([37.228.218.3]) by smtp.gmail.com with ESMTPSA id i12-20020adff30c000000b00336b8461a5esm819712wro.88.2024.01.08.15.45.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Jan 2024 15:45:02 -0800 (PST) Message-ID: <5c274f9c-6270-455f-8b82-fcba992e3b83@linaro.org> Date: Mon, 8 Jan 2024 23:45:02 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/18] Qualcomm GCC/VIDEOCC reset overhaul for Venus Content-Language: en-US To: Konrad Dybcio , Bjorn Andersson , Michael Turquette , Stephen Boyd , Philipp Zabel Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Dikshita Agarwal , Vikash Garodia , Manivannan Sadhasivam References: <20240105-topic-venus_reset-v1-0-981c7a624855@linaro.org> From: Bryan O'Donoghue In-Reply-To: <20240105-topic-venus_reset-v1-0-981c7a624855@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 08/01/2024 12:32, Konrad Dybcio wrote: > Some resets associated with venus require a larger delay for the hardware > on the other end to function properly. These seem to fall into three > categories: > > - 150us for 8250 and earlier > - 400us for 8350 and friends > - 1000us for >=8450 > What's your reference for these delay values ? --- bod