Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp1190548ybg; Thu, 11 Jun 2020 03:26:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyNeAZ4vbCnzUCFNVqx1wr+rBq4qKWXvSkfUnUFVghb7Lxq90NTmWghtkbtWfn2OW5XyTs8 X-Received: by 2002:a17:906:c952:: with SMTP id fw18mr7541198ejb.505.1591871171988; Thu, 11 Jun 2020 03:26:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1591871171; cv=none; d=google.com; s=arc-20160816; b=icGP04y8FSD5UNFARP6ndct9C4UFixAMPhZLPepRoL0etCosqeMc/QK3NwkHgEpO1i O4eEDmg8iumsA72SQeaJbgBg8fl1HhPAtrGaCoRdYB2beqRPmvs6CII5VpnpGDu1TbbS DNEyOhjZbNw6y9Vv5TQcKzPTd5tc8q3t1a13BhCIa/k8/3OzCnyJH9LobOSdLklnmS+i mNPj1iTs3jyGPlN+1XPMMrsjw5nXcbMjELUqfaVQXKcHAGpOs8Pj0jpBoj/VM/TBSjcw PJmxUl4AHDW33hEHdK3+D2qyMqMu9faRclcPvHp6IcHj9jzPmqeKrfqSKpdIUlukbysk pdVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:message-id:date:to:cc:from :subject:references:in-reply-to:content-transfer-encoding :mime-version:dkim-signature; bh=OuqfhL2PTtXpH/ofIcvTInY0cd1kGN0sDs4hy5Wu5CI=; b=y1p5pfpTr0tKlrhTXyJcfevtdrpTkgnRPauB4FtN47c+VixRhxVZrk2yJzgk0LgJ3s WRk4/nnHC/3IRtGezQhwJH/B0c2F5f65HSkYolJMc8mS1/+jDCLidOOwMtSs03cU9VIb I3rq2ejls7GJWG9F7fXXsIw8xsBetVxkzH7Z+lzekRzXb3hi+mnsAwWKKXQpdxSB+2qm 1xBSJl1gcr9+oE8TY3ijpXsCTIy38yQS/FbW1DNzHruHoI6MhcFYc7LQVVRsqU01txp9 J/SXvGVF6X02oDJBZ9Lc8L+3aJ5lroFATKgB9Ro0m2VKmwSw5OEEvjk/tNN2qq1r6Nou zx8A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=jnYZtZl9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d19si1365859edr.611.2020.06.11.03.25.49; Thu, 11 Jun 2020 03:26:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=jnYZtZl9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727060AbgFKJ4e (ORCPT + 99 others); Thu, 11 Jun 2020 05:56:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:52416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726864AbgFKJ4e (ORCPT ); Thu, 11 Jun 2020 05:56:34 -0400 Received: from kernel.org (unknown [104.132.0.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 02608207C3; Thu, 11 Jun 2020 09:56:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591869394; bh=OuqfhL2PTtXpH/ofIcvTInY0cd1kGN0sDs4hy5Wu5CI=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=jnYZtZl9pEBQKfzqHaUYKxTJ2Qv+d9orumujxLXAF7ebwn2igRO3zA3nv5Zyb/nBp qQ1tOIPE7XH/8wrZFEBYcm8YM6KaA/TUzhtMjP4KRh9qvjg30W/lCUBs2XCAl9LM1M Uityhnh6CtUUUUuUc9I74cD2BECHsTYU0Zlb1zJ4= Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20200609120455.20458-1-harigovi@codeaurora.org> References: <20200609120455.20458-1-harigovi@codeaurora.org> Subject: Re: [v3] drm/bridge: ti-sn65dsi86: ensure bridge suspend happens during PM sleep From: Stephen Boyd Cc: Harigovindan P , linux-kernel@vger.kernel.org, robdclark@gmail.com, seanpaul@chromium.org, hoegsberg@chromium.org, kalyan_t@codeaurora.org, nganji@codeaurora.org, sam@ravnborg.org To: Harigovindan P , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org Date: Thu, 11 Jun 2020 02:56:33 -0700 Message-ID: <159186939329.242598.2996575539576077899@swboyd.mtv.corp.google.com> User-Agent: alot/0.9 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Harigovindan P (2020-06-09 05:04:55) > ti-sn65dsi86 bridge is enumerated as a runtime device. When > suspend is triggered, PM core adds a refcount on all the > devices and calls device suspend, since usage count is > already incremented, runtime suspend will not be called > and it kept the bridge regulators and gpios ON which resulted > in platform not entering into XO shutdown. >=20 > Add changes to force suspend on the runtime device during pm sleep. >=20 > Signed-off-by: Harigovindan P > --- Reviewed-by: Stephen Boyd