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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 5309CC04AAF for ; Thu, 16 May 2019 16:49:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 10CCD20833 for ; Thu, 16 May 2019 16:49:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="eRZtem/X" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10CCD20833 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=b86vQbPk7SrC1ywd9N+3xbUR03P4e2sYo7j2He2F4wA=; b=eRZtem/XhdwDT0 gFcymw+gvd0YTiTe1U9Mwrsv2Ms3rCQdA2fCuDp7vtP5ZpGAcoUWX54R3jP+VY6aph1UTBNpJZRwu kNNFYFtBessHkXgJWcTh9o0Bad/QcKeYCnrrIopJnpTaQwsTTM7vvqlV51pOqySu0JumrbC8loZAa bL/6zgYzfgyPbUV7NGcc5DDjH80jATiT5uGYuiSNqlVk6ZiMohLUeV9npuEPUgJDpnuHoj4Gk5gh0 WdcNfIxxL6pfXN9dQiFhZ+wweC0bm435YqkY5uwuaWW8GMjdut4iIsYOS7F5zkW9iOWMKDD/ay2LZ aFOsGo/8TJU91WZbrgeA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRJZO-00036a-CD; Thu, 16 May 2019 16:49:26 +0000 Received: from verein.lst.de ([213.95.11.211] helo=newverein.lst.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRJZK-00030q-Dd for linux-arm-kernel@lists.infradead.org; Thu, 16 May 2019 16:49:23 +0000 Received: by newverein.lst.de (Postfix, from userid 2005) id 17CF168B02; Thu, 16 May 2019 18:49:00 +0200 (CEST) Date: Thu, 16 May 2019 18:48:59 +0200 From: Torsten Duwe To: Vasily Khoruzhick Subject: Re: [PATCH 4/4] arm64: DTS: allwinner: a64: enable ANX6345 bridge on Teres-I Message-ID: <20190516164859.GB10431@lst.de> References: <20190514155911.6C0AC68B05@newverein.lst.de> <20190514160241.9EAC768C7B@newverein.lst.de> <20190515093141.41016b11@blackhole.lan> <20190516154820.GA10431@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190516_094922_644341_492AB6BD X-CRM114-Status: GOOD ( 10.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree , Andrzej Hajda , David Airlie , linux-kernel , dri-devel , Maxime Ripard , Chen-Yu Tsai , Rob Herring , Thierry Reding , Laurent Pinchart , Daniel Vetter , Harald Geyer , Sean Paul , arm-linux , Icenowy Zheng Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, May 16, 2019 at 09:06:41AM -0700, Vasily Khoruzhick wrote: > > Driver can talk to the panel over AUX channel only after t1+t3, t1 is > up to 10ms, t3 is up to 200ms. This is after power-on. The boot loader needs to deal with this. > It works with older version of driver > that keeps panel always on because it takes a while between driver > probe and pipeline start. No lid switch, no USB, no WiFi, no MMC. If you disable DCDC1 you'll run out of wakeup-sources ;-) IOW: I see no practical way any OS driver can switch this panel voltage off and survive... > All in all - you don't need panel timings since there's EDID but you > still need panel delays. Anyway, it's up to you and maintainers. Let's give it a try. Torsten _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel