From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752766AbcDUOj7 (ORCPT ); Thu, 21 Apr 2016 10:39:59 -0400 Received: from lists.s-osg.org ([54.187.51.154]:60988 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751761AbcDUOj5 (ORCPT ); Thu, 21 Apr 2016 10:39:57 -0400 Subject: Re: [PATCH v2] ARM: exynos_defconfig: Enable Samsung media platform drivers as modules To: Krzysztof Kozlowski , linux-kernel@vger.kernel.org References: <1458779208-6144-1-git-send-email-javier@osg.samsung.com> <56F33C46.8060501@samsung.com> <56F4AD53.2020307@osg.samsung.com> <56F8B2D0.9010609@samsung.com> <56F8BD99.9050907@osg.samsung.com> <56F94A79.4020808@osg.samsung.com> <56F9D982.8030800@samsung.com> From: Javier Martinez Canillas Cc: linux-samsung-soc@vger.kernel.org, Tobias Jakobi , Kukjin Kim , Seung-Woo Kim Message-ID: <5718E634.3010902@osg.samsung.com> Date: Thu, 21 Apr 2016 10:39:48 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: <56F9D982.8030800@samsung.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [adding Seung-Woo Kim to cc] Hello Krzysztof, On 03/28/2016 09:25 PM, Krzysztof Kozlowski wrote: > On 29.03.2016 00:15, Javier Martinez Canillas wrote: >> Tobias mentioned on IRC that the exynos4-is driver conflicts with the >> Exynos DRM driver since both exynos_drm_fimc and exynos-fimc-is use >> the FIMC block. >> >> So I think we should just discard $SUBJECT and instead add a Kconfig >> check to not allow both drivers to be built as suggested by Tobias. >> I posted the Kconfig change [0] but Seung-Woo explained [1] to me that there are several instances of the FIMC and device nodes can use the samsung,{isp,lcd}-wb properties to choose which instance to use. >> Like is the case for the other components (G2D, GSC, Mixer, etc). > > Roger that. > So enabling both the V4L2 and DRM drivers is a valid configuration and $SUBJECT should be picked after all. Sorry for the confusion. I'll re-post the patch and also include changes for multi_v7_defconfig in the same series. > BR, > Krzysztof > [0]: https://lkml.org/lkml/2016/3/28/494 [1]: https://lkml.org/lkml/2016/3/29/7 Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America