From: pavel@ucw.cz (Pavel Machek)
To: linux-snps-arc@lists.infradead.org
Subject: UDL's fbdev doesn't work for user-space apps
Date: Sat, 9 Dec 2017 18:20:22 +0100 [thread overview]
Message-ID: <20171209172022.GC19862@localhost> (raw)
In-Reply-To: <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: "tutankhamen@chromium.org" <tutankhamen@chromium.org>,
"daniel.vetter@ffwll.ch" <daniel.vetter@ffwll.ch>,
Alexey Brodkin <Alexey.Brodkin@synopsys.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"airlied@redhat.com" <airlied@redhat.com>,
"linux-snps-arc@lists.infradead.org"
<linux-snps-arc@lists.infradead.org>,
"hshi@chromium.org" <hshi@chromium.org>
Subject: Re: UDL's fbdev doesn't work for user-space apps
Date: Sat, 9 Dec 2017 18:20:22 +0100 [thread overview]
Message-ID: <20171209172022.GC19862@localhost> (raw)
In-Reply-To: <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com>
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
_______________________________________________
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>,
"airlied@gmail.com" <airlied@gmail.com>,
"tutankhamen@chromium.org" <tutankhamen@chromium.org>,
"daniel.vetter@ffwll.ch" <daniel.vetter@ffwll.ch>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"airlied@redhat.com" <airlied@redhat.com>,
"linux-snps-arc@lists.infradead.org"
<linux-snps-arc@lists.infradead.org>,
"hshi@chromium.org" <hshi@chromium.org>
Subject: Re: UDL's fbdev doesn't work for user-space apps
Date: Sat, 9 Dec 2017 18:20:22 +0100 [thread overview]
Message-ID: <20171209172022.GC19862@localhost> (raw)
In-Reply-To: <86238def-82be-2ad1-63d0-b9a8dbf83db6@synopsys.com>
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
next prev parent reply other threads:[~2017-12-09 17:20 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-04 11:32 UDL's fbdev doesn't work for user-space apps Alexey Brodkin
2017-12-04 11:32 ` Alexey Brodkin
2017-12-04 11:50 ` Jose Abreu
2017-12-04 11:50 ` Jose Abreu
2017-12-04 11:50 ` Jose Abreu
2017-12-04 13:16 ` xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps] Alexey Brodkin
2017-12-04 13:16 ` Alexey Brodkin
2017-12-04 14:02 ` Jose Abreu
2017-12-04 14:02 ` Jose Abreu
2017-12-04 14:02 ` Jose Abreu
2017-12-04 14:53 ` Alexey Brodkin
2017-12-04 14:53 ` Alexey Brodkin
2017-12-04 15:55 ` Jose Abreu
2017-12-04 15:55 ` Jose Abreu
2017-12-04 15:55 ` Jose Abreu
2017-12-04 16:00 ` Alexey Brodkin
2017-12-04 16:00 ` Alexey Brodkin
2017-12-04 17:24 ` Jose Abreu
2017-12-04 17:24 ` Jose Abreu
2017-12-04 17:29 ` Alexey Brodkin
2017-12-04 17:29 ` Alexey Brodkin
2017-12-05 10:39 ` Jose Abreu
2017-12-05 10:39 ` Jose Abreu
2017-12-05 10:39 ` Jose Abreu
2017-12-05 11:53 ` Alexey Brodkin
2017-12-05 11:53 ` Alexey Brodkin
2017-12-05 11:53 ` Alexey Brodkin
2017-12-05 12:26 ` Jose Abreu
2017-12-05 12:26 ` Jose Abreu
2017-12-05 12:26 ` Jose Abreu
2017-12-05 14:47 ` Alexey Brodkin
2017-12-05 14:47 ` Alexey Brodkin
2017-12-04 17:52 ` Emil Velikov
2017-12-04 17:52 ` Emil Velikov
2017-12-04 17:52 ` Emil Velikov
2017-12-09 17:20 ` Pavel Machek [this message]
2017-12-09 17:20 ` UDL's fbdev doesn't work for user-space apps Pavel Machek
2017-12-09 17:20 ` Pavel Machek
2017-12-12 19:48 ` Alexey Brodkin
2017-12-12 19:48 ` Alexey Brodkin
2017-12-12 21:12 ` Pavel Machek
2017-12-12 21:12 ` Pavel Machek
2017-12-12 21:12 ` Pavel Machek
2017-12-12 21:58 ` Noralf Trønnes
2017-12-12 21:58 ` Noralf Trønnes
2017-12-12 21:58 ` Noralf Trønnes
2017-12-13 21:53 ` Alexey Brodkin
2017-12-13 21:53 ` Alexey Brodkin
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