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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 38651C433E1 for ; Wed, 10 Jun 2020 17:17:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2101420734 for ; Wed, 10 Jun 2020 17:17:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729533AbgFJRQe (ORCPT ); Wed, 10 Jun 2020 13:16:34 -0400 Received: from foss.arm.com ([217.140.110.172]:33340 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727938AbgFJRQe (ORCPT ); Wed, 10 Jun 2020 13:16:34 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5611C1FB; Wed, 10 Jun 2020 10:16:33 -0700 (PDT) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B65A63F6CF; Wed, 10 Jun 2020 10:16:31 -0700 (PDT) References: <20200610122500.4304-1-benjamin.gaignard@st.com> <20200610122500.4304-3-benjamin.gaignard@st.com> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Benjamin Gaignard Cc: hugues.fruchet@st.com, mchehab@kernel.org, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, linux-media@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, vincent.guittot@linaro.org, rjw@rjwysocki.net Subject: Re: [PATCH v6 2/3] media: stm32-dcmi: Set minimum cpufreq requirement In-reply-to: <20200610122500.4304-3-benjamin.gaignard@st.com> Date: Wed, 10 Jun 2020 18:16:25 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 10/06/20 13:24, Benjamin Gaignard wrote: > Before start streaming set cpufreq minimum frequency requirement. > The cpufreq governor will adapt the frequencies and we will have > no latency for handling interrupts. > The frequency requirement is retrieved from the device-tree node. > > Signed-off-by: Benjamin Gaignard For the cpufreq qos / irq affinity parts: Reviewed-by: Valentin Schneider