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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 59E0CC433E0 for ; Fri, 26 Jun 2020 07:43:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3107F2082E for ; Fri, 26 Jun 2020 07:43:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Nn06aiq8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728862AbgFZHni (ORCPT ); Fri, 26 Jun 2020 03:43:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728341AbgFZHnh (ORCPT ); Fri, 26 Jun 2020 03:43:37 -0400 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90BC6C08C5C1; Fri, 26 Jun 2020 00:43:37 -0700 (PDT) Received: by mail-ej1-x641.google.com with SMTP id l12so8384995ejn.10; Fri, 26 Jun 2020 00:43:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=3yJ82f9BPEQUN7JLYmeqgANkQ0MjK9DvwvjuJ/fNfPo=; b=Nn06aiq83iYmWi0EkxFhcC3cdp2tRFj4IjGqSjmF/POte6PFnDxFYoVA+u/jzpBNq3 UD23kLfqwMAICTvv4tZojnM2RyCqLIrKbqLwacwTFLlKUo5sBPvRfvg3Lhho5o/IM+cE YDtGs6gE0vEkPPfnscsF6KcmZVlgbLy6E7kb7fM/4ll7pJEOo4bhdBISPSWBXM2ywmSl j1UHerRv65FPRKqE1I8PaTCl8ZZd7I1G5LVXMom3o4cY0YQzPlhQJd1N71mZsDg20Bdj NDu/ucYreZCIlqr2oBj1cOL1DElEgYbmAmvDsTGe1tBEDc+1omKF3nKXWBkhkz9z1nvh q1aA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=3yJ82f9BPEQUN7JLYmeqgANkQ0MjK9DvwvjuJ/fNfPo=; b=RfuNE0mti/RWVEkJaVhyIqdqNlTLXivkqUw2ljgLu8EVtuMKPxEwMzDsMbOsr6QIYY R2hVcMZdcm3i02XwHjRQR5Dfw4QtgKD2VmtSZOlGNhluce3tJhdjbtyxUuC4SDCOEcfv wRgHNVXtxPaxdqN2ADrTeSPr02aDSWLw1ksoIZkAhnJzBzocHBqAVMV5O8phA+VHaTkD 2Oy85j9TQm+d8G4Vq3GtOjgJGwokzN6vp+QSwR+1oJhBtEufdhdfm9O0EW4OtGiDWYOc V6FYpftPI9cNK7QI/fs/TIUSy9IGG/TKs5OMc6LRU28DAbgQXE9rUXtpnMzyQvEXPpOY jSMQ== X-Gm-Message-State: AOAM530YbuFOikeai+/ZLZntQ6sIrxSL6EVE1EbkeG2QO1Z5uPbXYtHF m0iYCg4jSGuM62pgfrZYMrc= X-Google-Smtp-Source: ABdhPJyMuYQbZiFGkRDmBWgsi5klIv7Zbl33i2Thb5I4DzbIWId5Oe4mx8pFBA08+4iCtQfnQi044g== X-Received: by 2002:a17:906:4f13:: with SMTP id t19mr1373989eju.269.1593157416369; Fri, 26 Jun 2020 00:43:36 -0700 (PDT) Received: from localhost ([62.96.65.119]) by smtp.gmail.com with ESMTPSA id g25sm20051925edq.34.2020.06.26.00.43.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2020 00:43:34 -0700 (PDT) Date: Fri, 26 Jun 2020 09:43:33 +0200 From: Thierry Reding To: Dmitry Osipenko Cc: Jonathan Hunter , Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/4] media: staging: tegra-vde: Turn ON power domain on shutdown Message-ID: <20200626074333.GB3109062@ulmo> References: <20200624150847.22672-1-digetx@gmail.com> <20200624150847.22672-4-digetx@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="+pHx0qQiF2pBVqBT" Content-Disposition: inline In-Reply-To: <20200624150847.22672-4-digetx@gmail.com> User-Agent: Mutt/1.14.4 (2020-06-18) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org --+pHx0qQiF2pBVqBT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 24, 2020 at 06:08:46PM +0300, Dmitry Osipenko wrote: > On some devices bootloader isn't ready to a clamped VDE power, and thus, > machine hangs on a warm reboot (CPU reset). The VDE power partition is > turned ON by default on a cold boot, hence VDE driver should keep power > partition enabled on system's reboot too. This fixes hang on a warm reboot > on a Tegra20 Acer A500 device, which is handy if Embedded Controller > driver is unavailable, i.e. cold reboot can't be performed. >=20 > Signed-off-by: Dmitry Osipenko > --- > drivers/staging/media/tegra-vde/vde.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) Unfortunate that we have to do this, but looks fine: Acked-by: Thierry Reding --+pHx0qQiF2pBVqBT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl71pyUACgkQ3SOs138+ s6F5dw/8CW7nKPapQO4CpytXDxMMoCTTtQyWgDFYQ/xU3ylzovRIiKhI+LeVqVTn Rdi4QA5q5nZPPASa5H9gKccbKel0rgoZFmRt0Lfsz49e/vM7VsoN0+STNG0/cLP8 cn2+ZKSNi1Pdp+kjoHdet3Lep5X3u3wRWlYP18r6D2zRC40WQnV9xzREOwoLZbi2 6MqN1AgbJoLJuKjSFLTqWmegx+J0UtpNhU7SMzPT4BzyGSbssdsu4dkBzDsknq9X tXGCHE5yYwNZ8L4qqZJHs5Z9B5Xgt4S8hoV3fLHBPHiULPsPbqRrCu/Olto1z2br wNfzo3idaet4Rpt1LeaIQf4XFikpOyJzFAmWk05rrcdOV98lGDS/wYiffwl0VF9C FaYtJpoQBKLWAlAGtDyYOUCdpRsRnTYr2D8fQU5li5E+NixhF0MmIAkKmBty8w9l 3sO3na4DMbOmVv6TyT41jpWyYQBgENBeQm1CyxifcgdvTcnuXlW3LAShO3BlVuRi pEOKovKDd0o/BDnjrcJCBuXebZjFs9tdJMNFnvWcGFcgmW48Q1NNrn+8uJhCEjej 8dX50tDvBKvGgD7rhQ5XhV/UxSU9pi5WjHBWzWuPoQo3M0prZzktl6aLRZCMT6Wo NIxCf/cuXOtvwQrGeVse3gFZijVOJdNs0OdVbIsCCAEmOthIDl0= =jvXi -----END PGP SIGNATURE----- --+pHx0qQiF2pBVqBT--