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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CACvgo53s7DC6+h=piS3kgoub=P0k+jjLgy5WAT6Mt92EutRxMw@mail.gmail.com>
Date:   Mon, 4 Dec 2017 17:52:58 +0000
From:   Emil Velikov <emil.l.velikov@...il.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>
Cc:     Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "daniel.vetter@...ll.ch" <daniel.vetter@...ll.ch>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "airlied@...hat.com" <airlied@...hat.com>,
        "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]

On 4 December 2017 at 14:02, Jose Abreu <Jose.Abreu@...opsys.com> wrote:
> 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".
>
As you've noticed, drmOpen can give you some 'nice' side-effects.
I'd recommend getting a list of devices with drmGetDevice{,s}2 and
applying $heuristics to filter the device you want.

-Emil