linux-kernel - Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

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Date:   Mon, 4 Dec 2017 17:29:47 +0000
From:   Alexey Brodkin <Alexey.Brodkin@...opsys.com>
To:     "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        Jose Abreu <Jose.Abreu@...opsys.com>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "airlied@...il.com" <airlied@...il.com>,
        "airlied@...hat.com" <airlied@...hat.com>,
        "daniel.vetter@...ll.ch" <daniel.vetter@...ll.ch>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
Subject: Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work
 for user-space apps]

Hi Jose,

On Mon, 2017-12-04 at 17:24 +0000, Jose Abreu wrote:
> On 04-12-2017 16:00, Alexey Brodkin wrote:
> > 
> > [    30.763] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate YUV target
> > 
> 
> I'm wondering if this means that target format for UDL is YUV ...
> 
> But anyway, I revisited your first email and noticed that you
> said kmscube runs fine. Is this using etnaviv as renderer?

Indeed, in case of kmscube etnaviv is a renderer while UDL
outputs the picture on the screen.

> And
> you also said X is claiming the screen but nothing appears ...
> which X client are you using to test this?

Well it might be seen from my full log.
I just start X with "X&" command and then
execute things like "xclock".

So not sure who is a client in that case.

-Alexey