Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754410AbdLDOCy (ORCPT ); Mon, 4 Dec 2017 09:02:54 -0500 Received: from smtprelay2.synopsys.com ([198.182.60.111]:54103 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754379AbdLDOCs (ORCPT ); Mon, 4 Dec 2017 09:02:48 -0500 Subject: Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps] To: Alexey Brodkin , "l.stach@pengutronix.de" References: <1512387175.4977.24.camel@synopsys.com> <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> <1512393408.4977.44.camel@synopsys.com> CC: "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "airlied@gmail.com" , "airlied@redhat.com" , "daniel.vetter@ffwll.ch" , "linux-snps-arc@lists.infradead.org" From: Jose Abreu Message-ID: Date: Mon, 4 Dec 2017 14:02:42 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <1512393408.4977.44.camel@synopsys.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.107.19.63] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 602 Lines: 15 On 04-12-2017 13:16, Alexey Brodkin wrote: > Option "kmsdev" "/dev/dri/card1" Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and if you don't specify the busID it will fallback for the first card that matches "armada-drm" or "imx-drm" or "udl". > But if I swap "imx-drm" to "udl" I don't see anything on my screen > (connected via UDL) even though Xserver seems to really start claiming the screen > (so I see it becomes black, effectively overriding whatever was there before) and > glmark benchmark prints results. > > Xorg.log can help confirm if everything is ok.