From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752623AbeDSLSl (ORCPT ); Thu, 19 Apr 2018 07:18:41 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:55371 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751876AbeDSLSk (ORCPT ); Thu, 19 Apr 2018 07:18:40 -0400 Subject: Re: [PATCH v8 2/2] drm: bridge: Add thc63lvd1024 LVDS decoder driver To: Jacopo Mondi , , , , , , , , , , , References: <1523357590-3841-1-git-send-email-jacopo+renesas@jmondi.org> <1523357590-3841-3-git-send-email-jacopo+renesas@jmondi.org> CC: , , , From: Vladimir Zapolskiy Message-ID: <241462f3-0396-c763-6fb4-aff8fc5d29bd@mentor.com> Date: Thu, 19 Apr 2018 14:18:30 +0300 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Icedove/45.2.0 MIME-Version: 1.0 In-Reply-To: <1523357590-3841-3-git-send-email-jacopo+renesas@jmondi.org> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [137.202.0.87] X-ClientProxiedBy: svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) To svr-ies-mbx-02.mgc.mentorg.com (139.181.222.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jacopo, On 04/10/2018 01:53 PM, Jacopo Mondi wrote: > Add DRM bridge driver for Thine THC63LVD1024 LVDS to digital parallel > output converter. > > Signed-off-by: Jacopo Mondi > Reviewed-by: Andrzej Hajda > Reviewed-by: Niklas Söderlund Reviewed-by: Vladimir Zapolskiy Generally I have only one pretty ignorable comment. > + > +enum thc63_ports { > + THC63_LVDS_IN0, > + THC63_LVDS_IN1, > + THC63_RGB_OUT0, > + THC63_RGB_OUT1, > +}; > + The driver uses only THC63_RGB_OUT0 value, or port@2, and MODE{0,1,2} IC configuration is ignored. I don't know if right from the beginning it would be better to support dual-out modes, preferably both single-in and dual-in ones. Will it impact port enumeration? I do understand that the extension is possible, and likely only hardware accessibility postpones it. -- With best wishes, Vladimir