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=-8.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 D71DBC6786E for ; Fri, 26 Oct 2018 14:41:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B0C920651 for ; Fri, 26 Oct 2018 14:41:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=poorly.run header.i=@poorly.run header.b="KweMQV+Q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B0C920651 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=poorly.run Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727627AbeJZXTA (ORCPT ); Fri, 26 Oct 2018 19:19:00 -0400 Received: from mail-yb1-f193.google.com ([209.85.219.193]:37917 "EHLO mail-yb1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726815AbeJZXTA (ORCPT ); Fri, 26 Oct 2018 19:19:00 -0400 Received: by mail-yb1-f193.google.com with SMTP id v92-v6so560173ybi.5 for ; Fri, 26 Oct 2018 07:41:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=poorly.run; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=yiQi/aC+OLSM4Q4ODlaqVjBcti4KXHFG8osa6YORXkI=; b=KweMQV+QCH1dRCbvJCQBT9H9fKLS2mSXkyfTZQPSjJeu0UqQBkW68vls5UsdyAIFDL oHnj8HDcA1o+37xKx778IBCKes1jPV5rrOaf1EdSRtELlswJitqeqzKdbBEYdQSQYGPA rNLotYJRSiAVj5Xo7+9GdJbNHztl/3to16/j0hu9gEvEQ4o+oBfvryXEz/6V2Y/jGUC5 YLm02bt1LHZNSJGRu2Lt5f6aS2iF1cSOLNqA2eaFNmEd6DzgRrsjc0L+doXsEYHLKUFK F2VbMC00Uuv47PbJuSmpPgkd0ou65W9JK9jJjhDyyaZpLmmxyO5SI+iwSHBkVAsvBjBG pQvw== 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=yiQi/aC+OLSM4Q4ODlaqVjBcti4KXHFG8osa6YORXkI=; b=UEGZGJDE2XuIYSJ3e5gWxn3xsXnLqMnDJGpD5TjApKX4THxDECrlAVfu6X62d24N95 nSFm0SqgXz4vSCSVQOC4aABoYwZPMgB8cXYjg/aQHjBZE5bZ8dZ5a7xVkoqi19odVZRD PA9JSXPr+L3GlE3qnypGbdJSWUj/Nn5K2EZJKunXlV3NpnHiyEwp7fXgbgw/EX+S8Q4G ks3o5+FiVqJRUntG8nTiCbhr4OBf3mTeg6zFEWT8Vrn/a1PoO/AmYqwbfcbRafTgZYmx RS2Xt32XN42Q9Two5aM2fCEr8c9lFI2ca//4Xt2bNSedZaulR+yoX5bqZYEViCllsR+5 GoVg== X-Gm-Message-State: AGRZ1gJkIg62iXJCb0QhhZoeCmjwTtvRx18rXCqp26oMyqlVGOVYEJeD +CiQqmKv+8Pc14hujGx05SHwNQ== X-Google-Smtp-Source: AJdET5eIyv8+jRXO9JZJQDaJn7veC40QDyAFMOmNgv5CZRQvdCRSuiCPOxB1HfgrdUYus+u8ng5vPQ== X-Received: by 2002:a25:81c9:: with SMTP id n9-v6mr3734167ybm.314.1540564900386; Fri, 26 Oct 2018 07:41:40 -0700 (PDT) Received: from localhost ([2620:0:1013:11:ad55:b1db:adfe:3b9f]) by smtp.gmail.com with ESMTPSA id j2-v6sm3044403ywe.92.2018.10.26.07.41.39 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 26 Oct 2018 07:41:39 -0700 (PDT) Date: Fri, 26 Oct 2018 10:41:39 -0400 From: Sean Paul To: Douglas Anderson Cc: Sean Paul , Thierry Reding , Sandeep Panda , linux-arm-msm@vger.kernel.org, Laurent Pinchart , jsanka@codeaurora.org, ryandcase@chromium.org, David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/6] drm/panel: simple: Add "no-hpd" delay for Innolux TV123WAM Message-ID: <20181026144139.GR154160@art_vandelay> References: <20181025222134.174583-1-dianders@chromium.org> <20181025222134.174583-3-dianders@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181025222134.174583-3-dianders@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 25, 2018 at 03:21:31PM -0700, Douglas Anderson wrote: > If the HPD signal isn't hooked up to this panel we need a 200 ms > delay. In the datasheet this is shown as the maximum time that HPD > will take to be asserted after power is given to the panel. > > Signed-off-by: Douglas Anderson Reviewed-by: Sean Paul > --- > > Changes in v2: > - Use "hpd_absent_delay" property instead of a bool + prepare delay > > drivers/gpu/drm/panel/panel-simple.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c > index 687fd087b9fc..88592f9a0018 100644 > --- a/drivers/gpu/drm/panel/panel-simple.c > +++ b/drivers/gpu/drm/panel/panel-simple.c > @@ -1396,6 +1396,7 @@ static const struct panel_desc innolux_tv123wam = { > .height = 173, > }, > .delay = { > + .hpd_absent_delay = 200, > .unprepare = 500, > }, > }; > -- > 2.19.1.568.g152ad8e336-goog > -- Sean Paul, Software Engineer, Google / Chromium OS