Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757746AbbBEOpS (ORCPT ); Thu, 5 Feb 2015 09:45:18 -0500 Received: from bhuna.collabora.co.uk ([93.93.135.160]:56880 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756786AbbBEOpQ (ORCPT ); Thu, 5 Feb 2015 09:45:16 -0500 Message-ID: <54D381F4.2080701@collabora.co.uk> Date: Thu, 05 Feb 2015 15:45:08 +0100 From: Javier Martinez Canillas User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0 MIME-Version: 1.0 To: Andrzej Hajda , linux-samsung-soc@vger.kernel.org CC: Marek Szyprowski , Kyungmin Park , Kukjin Kim , Liquid.Acid@gmx.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [RFC PATCH 0/3] Fix power domains handling on exynos542x References: <1423139739-19881-1-git-send-email-a.hajda@samsung.com> In-Reply-To: <1423139739-19881-1-git-send-email-a.hajda@samsung.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1609 Lines: 45 Hello Andrzej, Thanks a lot for finally finding what was causing the HDMI issue. On 02/05/2015 01:35 PM, Andrzej Hajda wrote: > Hi, > > Exynos chipsets since 542x have asynchronous bridges connecting different IPs. > These bridges should be operational during power domain switching, ie associated > clocks cannot be gated. > This patchset adds binding to provide such clocks per power domain and adds code > which enables them during domain on/off operation. > > This patchset fixes power domain issues with disp1 domain and HDMI (some of them) > on Odroid XU3: > - disp1 power domain can be turned off, > - no more "imprecise external abort" faults. > > The patchset is based on '[PATCH v5 0/9] Enable HDMI support on Exynos platforms' [1]. > It also depends on '[PATCH 0/2] Add HDMI support for Exynos5420 platform' [2]. > It was successfully tested on OdroidXU3. > > [1]: http://permalink.gmane.org/gmane.linux.kernel.samsung-soc/42743 Your patches looks good to me so please feel free to add: Reviewed-by: Javier Martinez Canillas I also tested on an Exynos5420 Peach Pit Chromebook and both the "Power domain power-domain disable failed" message and the system crash are gone. Tested-by: Javier Martinez Canillas Best regards, Javier [2]: https://lkml.org/lkml/2015/1/20/235 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/