From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754022AbbCPMPQ (ORCPT ); Mon, 16 Mar 2015 08:15:16 -0400 Received: from cantor2.suse.de ([195.135.220.15]:44535 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753939AbbCPMPF (ORCPT ); Mon, 16 Mar 2015 08:15:05 -0400 Message-ID: <5506C945.5030603@suse.de> Date: Mon, 16 Mar 2015 13:15:01 +0100 From: =?windows-1252?Q?Andreas_F=E4rber?= Organization: SUSE Linux GmbH User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Javier Martinez Canillas CC: Kukjin Kim , linux-samsung-soc@vger.kernel.org, Doug Anderson , linux-kernel@vger.kernel.org, Andrzej Hajda , Olof Johansson , linux-arm-kernel@lists.infradead.org, Marek Szyprowski Subject: Re: [PATCH 1/1] ARM: dts: don't make DP a consumer of DISP1 on Exynos5250 References: <1426320716-28137-1-git-send-email-javier.martinez@collabora.co.uk> In-Reply-To: <1426320716-28137-1-git-send-email-javier.martinez@collabora.co.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 14.03.2015 um 09:11 schrieb Javier Martinez Canillas: > By making the DP controller a consumer of DISP1, the PD is powered > off when the exynos-dp probe is deferred and powered on again when > the exynos-drm driver is probed. > > But this causes the exynos-dp driver failing to obtain the stream > clock since the FIMD has been powered off with the DISP1 PD: > > exynos-dp 145b0000.dp-controller: Timeout of video streamclk ok > exynos-dp 145b0000.dp-controller: unable to config video > > The Exynos5250 documentation doesn't mention that the Display Port > Transmitter module is included in the DISP1 PD so the device should > not have a reference to this Power Domain. > > This patch fixes video display on an Exynos5250 Snow Chromebook. > > Fixes: 2d2c9a8d0a4f ("ARM: dts: add display power domain for exynos5250") > Signed-off-by: Javier Martinez Canillas > --- > > Hello Andrzej and Marek, > > I need this patch to have display working on an Snow Chromebook Tested-by: Andreas Färber This fixes the display on the Spring Chromebook as well! Thanks, Andreas -- SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, Graham Norton; HRB 21284 (AG Nürnberg)