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[79.139.233.37]) by smtp.googlemail.com with ESMTPSA id e14sm10014105ljj.36.2019.12.07.14.56.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 07 Dec 2019 14:56:15 -0800 (PST) Subject: Re: [PATCH v8 00/19] Consolidate and improve NVIDIA Tegra CPUIDLE driver(s) To: =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= Cc: Thierry Reding , Jonathan Hunter , Peter De Schrijver , "Rafael J. Wysocki" , Daniel Lezcano , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20191203004116.11771-1-digetx@gmail.com> <20191207215216.GA9561@qmqm.qmqm.pl> From: Dmitry Osipenko Message-ID: <0b3a861d-e5e8-ddca-ac60-0a3c61a9d9dc@gmail.com> Date: Sun, 8 Dec 2019 01:56:14 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191207215216.GA9561@qmqm.qmqm.pl> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 08.12.2019 00:52, Michał Mirosław пишет: > On Tue, Dec 03, 2019 at 03:40:57AM +0300, Dmitry Osipenko wrote: >> Hello, >> >> This series does the following: >> >> 1. Unifies Tegra20/30/114 drivers into a single driver and moves it out >> into common drivers/cpuidle/ directory. >> >> 2. Enables CPU cluster power-down idling state on Tegra30. >> >> In the end there is a quite nice clean up of the Tegra CPUIDLE drivers >> and of the Tegra's arch code in general. Please review, thanks! > > I did a quick smoke test for this series on top of Linus' master: > - rebuilding with the patches applied, CONFIG_ARM_TEGRA_CPUIDLE=n - works > - building with CONFIG_ARM_TEGRA_CPUIDLE=y - doesn't boot > > The hang is somewhere early in the boot process, before simplefb can > take the console and show any logs. If I get BOOTFB to work again I might > be able to get some more info. Thank you very much for trying these patches! Could you please try to make ARM_TEGRA_CPUIDLE "tristate" in the Kconfig and compile it as a loadable module? That way you'll get framebuffer shown before the hang happens. Does LP2 suspend/resume work for you? There should be "nvidia,suspend-mode = <2>" in the PMC's node of device-tree.