From mboxrd@z Thu Jan 1 00:00:00 1970 From: Douglas Anderson Subject: [PATCH 3/6] drm/panel: simple: Add "no-hpd" delay for Innolux TV123WAM Date: Mon, 22 Oct 2018 13:46:36 -0700 Message-ID: <20181022204639.8558-3-dianders@chromium.org> References: <20181022204639.8558-1-dianders@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181022204639.8558-1-dianders@chromium.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Sean Paul , Thierry Reding , Sandeep Panda Cc: David Airlie , linux-arm-msm@vger.kernel.org, Douglas Anderson , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, ryandcase@chromium.org, Laurent Pinchart List-Id: linux-arm-msm@vger.kernel.org SWYgdGhlIEhQRCBzaWduYWwgaXNuJ3QgaG9va2VkIHVwIHRvIHRoaXMgcGFuZWwgd2UgbmVlZCBh IDIwMCBtcwpkZWxheS4gIEluIHRoZSBkYXRhc2hlZXQgdGhpcyBpcyBzaG93biBhcyB0aGUgbWF4 aW11bSB0aW1lIHRoYXQgSFBECndpbGwgdGFrZSB0byBiZSBhc3NlcnRlZCBhZnRlciBwb3dlciBp cyBnaXZlbiB0byB0aGUgcGFuZWwuCgpTaWduZWQtb2ZmLWJ5OiBEb3VnbGFzIEFuZGVyc29uIDxk aWFuZGVyc0BjaHJvbWl1bS5vcmc+Ci0tLQoKIGRyaXZlcnMvZ3B1L2RybS9wYW5lbC9wYW5lbC1z aW1wbGUuYyB8IDIgKysKIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKykKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vcGFuZWwvcGFuZWwtc2ltcGxlLmMgYi9kcml2ZXJzL2dwdS9k cm0vcGFuZWwvcGFuZWwtc2ltcGxlLmMKaW5kZXggMzhjNjQ2ZmI1NWZkLi45MzdlOTc0OTBjMzAg MTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9wYW5lbC9wYW5lbC1zaW1wbGUuYworKysgYi9k cml2ZXJzL2dwdS9kcm0vcGFuZWwvcGFuZWwtc2ltcGxlLmMKQEAgLTEzOTMsNiArMTM5Myw4IEBA IHN0YXRpYyBjb25zdCBzdHJ1Y3QgcGFuZWxfZGVzYyBpbm5vbHV4X3R2MTIzd2FtID0gewogCQku aGVpZ2h0ID0gMTczLAogCX0sCiAJLmRlbGF5ID0geworCQkucHJlcGFyZSA9IDIwMCwKKwkJLnBy ZXBhcmVfZGVsYXlfb25seV9pZl9ub19ocGQgPSB0cnVlLAogCQkudW5wcmVwYXJlID0gNTAwLAog CX0sCiB9OwotLSAKMi4xOS4xLjU2OC5nMTUyYWQ4ZTMzNi1nb29nCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRy aS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK 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=-9.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT 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 61437C004D3 for ; Mon, 22 Oct 2018 20:49:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8736320665 for ; Mon, 22 Oct 2018 20:49:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="WvWxRfdm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8736320665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org 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 S1729338AbeJWFJS (ORCPT ); Tue, 23 Oct 2018 01:09:18 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:44685 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729232AbeJWFIs (ORCPT ); Tue, 23 Oct 2018 01:08:48 -0400 Received: by mail-pg1-f196.google.com with SMTP id w3-v6so4022093pgs.11 for ; Mon, 22 Oct 2018 13:48:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VBL7kzRm+AuhpncrtwVUlUGI2jFAGP9j8c7KtXaIcaE=; b=WvWxRfdmXjkkJEie+3AqQVb0SqhLpcxb6Gt/u6TEsYEg1K9lb/EICA1Jv09ZoxzYAd k6fCOad9/7zf0AfKZaMgTwmKQRmV5laACtdN7L3GNKUSuZ0uz0+jTgw650O/W6eAp231 POLXtaGYqWcS4wxkhvV3N8WF5AifY71zD+zTY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VBL7kzRm+AuhpncrtwVUlUGI2jFAGP9j8c7KtXaIcaE=; b=lcl7eKpBylZI2SOsU0fVd+sOvGXfyWbiayi7iEuXK6pDVmEwTCWGOtf+P8gIVFRiug sz8MeQ6msgGa2zdphGHi0EPnbkxgBjuZDsWHkXM2q6RumaS+blzM8p1YOmqAbX4z+4oZ dBvQToxrYEW2p2BcRBLCp+GDqT7llE/vbVbwfRVlGI8N1WZ3zzSVkdnslkoQMZuqJgAG DbLUFDYeJMYrWdCgsp7ctE9OOGrMqI4PC9FaAALvLqC5aafrcRuBxFQV19Vy0Vrchtan 8EKcs0Mrl3/QSsmHLnh9lpueDy7HUIIQ3nGoxZZ4zA9pTDIvJyd01gTYSRt983lxwX35 4IeQ== X-Gm-Message-State: ABuFfogHjvczdkpfFLwVMJnzdn2mNUKoBLdc9f7UOuztelg5QpfoyPQx U6oXbjWSfAbLo+k4EKeGDySDXQ== X-Google-Smtp-Source: ACcGV63YMycIoSi70RRH3/rYbV0oT9IDSrQ1DcBsrtc4nxcveSax6GMLdak4HCfvGACQDSF1ADW7GQ== X-Received: by 2002:a62:75c7:: with SMTP id q190-v6mr47491226pfc.137.1540241322852; Mon, 22 Oct 2018 13:48:42 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:1:c8e0:70d7:4be7:a36]) by smtp.gmail.com with ESMTPSA id y144-v6sm47483001pfb.81.2018.10.22.13.48.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Oct 2018 13:48:42 -0700 (PDT) From: Douglas Anderson To: Sean Paul , Thierry Reding , Sandeep Panda Cc: linux-arm-msm@vger.kernel.org, Laurent Pinchart , jsanka@codeaurora.org, ryandcase@chromium.org, Douglas Anderson , David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/6] drm/panel: simple: Add "no-hpd" delay for Innolux TV123WAM Date: Mon, 22 Oct 2018 13:46:36 -0700 Message-Id: <20181022204639.8558-3-dianders@chromium.org> X-Mailer: git-send-email 2.19.1.568.g152ad8e336-goog In-Reply-To: <20181022204639.8558-1-dianders@chromium.org> References: <20181022204639.8558-1-dianders@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/gpu/drm/panel/panel-simple.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 38c646fb55fd..937e97490c30 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1393,6 +1393,8 @@ static const struct panel_desc innolux_tv123wam = { .height = 173, }, .delay = { + .prepare = 200, + .prepare_delay_only_if_no_hpd = true, .unprepare = 500, }, }; -- 2.19.1.568.g152ad8e336-goog