From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Sat, 9 Dec 2017 18:20:22 +0100 Subject: UDL's fbdev doesn't work for user-space apps In-Reply-To: <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> References: <1512387175.4977.24.camel@synopsys.com> <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> List-ID: Message-ID: <20171209172022.GC19862@localhost> To: linux-snps-arc@lists.infradead.org On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > My first [probably incorrect] assumption is Xserver requires fbdev (/dev/fbX) > > and it cannot use DRI video card natively. Is that correct? > > > > > > Xserver can use DRI directly, you need to enable modesetting > driver in Xorg config or use the designated driver for your card > (if there is any). Still, dev/fb1 should work. Can be tested using dd, even :-) Best regards, Pavel > > e.g.: > > Section "Device" > Identifier "Card0" > Driver "modesetting" > Option "kmsdev" "/dev/dri/card0" > Option "SWcursor" "true" > BusID "PCI:X:X:X" > EndSection > > Best Regards, > Jose Miguel Abreu -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: UDL's fbdev doesn't work for user-space apps Date: Sat, 9 Dec 2017 18:20:22 +0100 Message-ID: <20171209172022.GC19862@localhost> References: <1512387175.4977.24.camel@synopsys.com> <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from atrey.karlin.mff.cuni.cz (atrey.karlin.mff.cuni.cz [195.113.26.193]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5D0626E00D for ; Sat, 9 Dec 2017 17:20:22 +0000 (UTC) Content-Disposition: inline In-Reply-To: <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jose Abreu Cc: "tutankhamen@chromium.org" , "daniel.vetter@ffwll.ch" , Alexey Brodkin , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "airlied@redhat.com" , "linux-snps-arc@lists.infradead.org" , "hshi@chromium.org" List-Id: dri-devel@lists.freedesktop.org T24gTW9uIDIwMTctMTItMDQgMTE6NTA6NDAsIEpvc2UgQWJyZXUgd3JvdGU6Cj4gSGkgQWxleGV5 LAo+IAo+IE9uIDA0LTEyLTIwMTcgMTE6MzIsIEFsZXhleSBCcm9ka2luIHdyb3RlOgo+ID4gTXkg Zmlyc3QgW3Byb2JhYmx5IGluY29ycmVjdF0gYXNzdW1wdGlvbiBpcyBYc2VydmVyIHJlcXVpcmVz IGZiZGV2ICgvZGV2L2ZiWCkKPiA+IGFuZCBpdCBjYW5ub3QgdXNlIERSSSB2aWRlbyBjYXJkIG5h dGl2ZWx5LiBJcyB0aGF0IGNvcnJlY3Q/Cj4gPgo+ID4KPiAKPiBYc2VydmVyIGNhbiB1c2UgRFJJ IGRpcmVjdGx5LCB5b3UgbmVlZCB0byBlbmFibGUgbW9kZXNldHRpbmcKPiBkcml2ZXIgaW4gWG9y ZyBjb25maWcgb3IgdXNlIHRoZSBkZXNpZ25hdGVkIGRyaXZlciBmb3IgeW91ciBjYXJkCj4gKGlm IHRoZXJlIGlzIGFueSkuCgpTdGlsbCwgZGV2L2ZiMSBzaG91bGQgd29yay4gQ2FuIGJlIHRlc3Rl ZCB1c2luZyBkZCwgZXZlbiA6LSkKCkJlc3QgcmVnYXJkcywKCQkJCQkJCQkJUGF2ZWwKPiAKPiBl LmcuOgo+IAo+IFNlY3Rpb24gIkRldmljZSIKPiAgICAgICAgIElkZW50aWZpZXIgIkNhcmQwIgo+ ICAgICAgICAgRHJpdmVyICJtb2Rlc2V0dGluZyIKPiAgICAgICAgIE9wdGlvbiAia21zZGV2IiAi L2Rldi9kcmkvY2FyZDAiCj4gICAgICAgICBPcHRpb24gIlNXY3Vyc29yIiAidHJ1ZSIKPiAgICAg ICAgIEJ1c0lEICJQQ0k6WDpYOlgiCj4gRW5kU2VjdGlvbgo+IAo+IEJlc3QgUmVnYXJkcywKPiBK b3NlIE1pZ3VlbCBBYnJldQoKLS0gCihlbmdsaXNoKSBodHRwOi8vd3d3LmxpdmVqb3VybmFsLmNv bS9+cGF2ZWxtYWNoZWsKKGNlc2t5LCBwaWN0dXJlcykgaHR0cDovL2F0cmV5Lmthcmxpbi5tZmYu Y3VuaS5jei9+cGF2ZWwvcGljdHVyZS9ob3JzZXMvYmxvZy5odG1sCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJp LWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752126AbdLIRUW (ORCPT ); Sat, 9 Dec 2017 12:20:22 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:42183 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751123AbdLIRUU (ORCPT ); Sat, 9 Dec 2017 12:20:20 -0500 Date: Sat, 9 Dec 2017 18:20:22 +0100 From: Pavel Machek To: Jose Abreu Cc: Alexey Brodkin , "airlied@gmail.com" , "tutankhamen@chromium.org" , "daniel.vetter@ffwll.ch" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "airlied@redhat.com" , "linux-snps-arc@lists.infradead.org" , "hshi@chromium.org" Subject: Re: UDL's fbdev doesn't work for user-space apps Message-ID: <20171209172022.GC19862@localhost> References: <1512387175.4977.24.camel@synopsys.com> <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > My first [probably incorrect] assumption is Xserver requires fbdev (/dev/fbX) > > and it cannot use DRI video card natively. Is that correct? > > > > > > Xserver can use DRI directly, you need to enable modesetting > driver in Xorg config or use the designated driver for your card > (if there is any). Still, dev/fb1 should work. Can be tested using dd, even :-) Best regards, Pavel > > e.g.: > > Section "Device" > Identifier "Card0" > Driver "modesetting" > Option "kmsdev" "/dev/dri/card0" > Option "SWcursor" "true" > BusID "PCI:X:X:X" > EndSection > > Best Regards, > Jose Miguel Abreu -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html