Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753688AbaLDKTH (ORCPT ); Thu, 4 Dec 2014 05:19:07 -0500 Received: from mail-bn1bon0118.outbound.protection.outlook.com ([157.56.111.118]:30529 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752992AbaLDKTF convert rfc822-to-8bit (ORCPT ); Thu, 4 Dec 2014 05:19:05 -0500 From: "Li.Xiubo@freescale.com" To: Tomi Valkeinen CC: Arnd Bergmann , "plagnioj@jcrosoft.com" , "linux-fbdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "shawn.guo@linaro.org" , "alexander.stein@systec-electronic.com" Subject: RE: [PATCHv2 0/4] LS1021A: Add dcfb framebuffer driver support. Thread-Topic: [PATCHv2 0/4] LS1021A: Add dcfb framebuffer driver support. Thread-Index: AQHQDtn5j6GPqUxwWEaud+fx6yvb95x9n9SAgAELugCAAGolgIAAAmBwgAAOO4CAAAulAIAAAmaAgAAAsHA= Date: Thu, 4 Dec 2014 10:03:43 +0000 Message-ID: References: <1417598162-40433-1-git-send-email-Li.Xiubo@freescale.com> <4810522.t9QFQYHtHI@wuerfel> <548016D9.6030006@ti.com> <548024C7.3060004@ti.com> <5480308F.6070607@ti.com> In-Reply-To: <5480308F.6070607@ti.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [123.151.195.53] x-microsoft-antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR0301MB0614; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:;SRVR:BY2PR0301MB0614; x-forefront-prvs: 041517DFAB x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(199003)(51704005)(479174003)(377454003)(13464003)(189002)(24454002)(46102003)(76576001)(92726001)(122556002)(40100003)(2656002)(93886004)(87936001)(19580405001)(19580395003)(99396003)(120916001)(97736003)(4396001)(92566001)(21056001)(86362001)(20776003)(64706001)(66066001)(33656002)(101416001)(76176999)(54356999)(54206007)(68736005)(50986999)(54606007)(110136001)(74316001)(62966003)(106356001)(106116001)(105586002)(77156002)(99286002)(31966008)(95666004)(107046002);DIR:OUT;SFP:1102;SCL:1;SRVR:BY2PR0301MB0614;H:BY2PR0301MB0613.namprd03.prod.outlook.com;FPR:;SPF:None;MLV:sfv;PTR:InfoNoRecords;A:1;MX:1;LANG:en; Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tomi, Thanks very much for your help. I will have a try these days. BRs Xiubo > -----Original Message----- > From: Tomi Valkeinen [mailto:tomi.valkeinen@ti.com] > Sent: Thursday, December 04, 2014 6:00 PM > To: Xiubo Li-B47053 > Cc: Arnd Bergmann; plagnioj@jcrosoft.com; linux-fbdev@vger.kernel.org; linux- > kernel@vger.kernel.org; shawn.guo@linaro.org; alexander.stein@systec- > electronic.com > Subject: Re: [PATCHv2 0/4] LS1021A: Add dcfb framebuffer driver support. > > On 04/12/14 11:54, Li.Xiubo@freescale.com wrote: > > Hi Tomi, > > > > Thanks for your information very much. > > > >>> Sorry for confusing, it was delayed for other reasons internal. > >>> > >>> I am not familiar about the DRM, and I'd like to know if the DRM driver > will > >> be > >>> support, should I also develop the libdrm too ? Or just coding in kernel > >> level ? > >> > >> For simple drm drivers (this looks like it would be a simple one), I > >> don't think there's any need for libdrm support. The generic DRM > >> interfaces should be enough, so just kernel level coding needed. > >> > > > > That's to say, if I am using the X11 server without any code in usrspace, > > If the DRM driver will support /dev/fbX, it could work correctly ? > > Yes. DRM offers helper code to add /dev/fbX with not too many lines. You > can look at the docs and drm_fb_helper.c. > > And X11 should work fine on top of that, using the X11 fbdev support. > > Tomi > -- 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/