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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 4EACDC3A59C for ; Fri, 16 Aug 2019 11:29:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C3E62133F for ; Fri, 16 Aug 2019 11:29:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727224AbfHPL27 (ORCPT ); Fri, 16 Aug 2019 07:28:59 -0400 Received: from gloria.sntech.de ([185.11.138.130]:59868 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727124AbfHPL27 (ORCPT ); Fri, 16 Aug 2019 07:28:59 -0400 Received: from [88.128.80.55] (helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hyaPd-0000Hi-Rv; Fri, 16 Aug 2019 13:28:54 +0200 From: Heiko Stuebner To: Douglas Anderson Cc: enric.balletbo@collabora.com, mka@chromium.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring , Mark Rutland , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] Revert "ARM: dts: rockchip: add startup delay to rk3288-veyron panel-regulators" Date: Fri, 16 Aug 2019 13:28:25 +0200 Message-ID: <1641883.xsURkgBn4i@phil> In-Reply-To: <20190620182056.61552-1-dianders@chromium.org> References: <20190620182056.61552-1-dianders@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Donnerstag, 20. Juni 2019, 20:20:56 CEST schrieb Douglas Anderson: > This reverts commit 1f45e8c6d0161f044d679f242fe7514e2625af4a. > > This 100 ms mystery delay is not on downstream kernels and no longer > seems needed on upstream kernels either [1]. Presumably something in the > meantime has made things better. A few possibilities for patches that > have landed in the meantime that could have made this better are > commit 3157694d8c7f ("pwm-backlight: Add support for PWM delays > proprieties."), commit 5fb5caee92ba ("pwm-backlight: Enable/disable > the PWM before/after LCD enable toggle."), and commit 6d5922dd0d60 > ("ARM: dts: rockchip: set PWM delay backlight settings for Veyron") > > Let's revert and get our 100 ms back. > > [1] https://lkml.kernel.org/r/2226970.BAPq4liE1j@diego > > Signed-off-by: Douglas Anderson I've rebased the change on top of Matthias' veyron display reorganization and applied it for 5.4 Thanks Heiko