From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner 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> References: <20190620182056.61552-1-dianders@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20190620182056.61552-1-dianders@chromium.org> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: devicetree@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