linux-kernel - Re: [REGRESSION] 3.4-rc* radeon: No DVI-A output after commit e00e8b5e760cb

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: <s5hy5pt89dy.wl%tiwai@suse.de>
Date:	Wed, 18 Apr 2012 15:19:53 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Alex Deucher <alexander.deucher@....com>
Cc:	David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION] 3.4-rc* radeon: No DVI-A output after commit e00e8b5e760cb

At Wed, 18 Apr 2012 14:39:54 +0200,
Takashi Iwai wrote:
> 
> Hi,
> 
> I noticed that one machine here gives only the blank output with
> 3.4-rc's.  The bisection lead me to affecting commit:
> 
>     commit e00e8b5e760cbbe9067daeae5454d67c44c8d035
>     Author: Alex Deucher <alexander.deucher@....com>
>     Date:   Fri Mar 16 12:22:09 2012 -0400
> 
>     drm/radeon/kms: fix analog load detection on DVI-I connectors
>     
> Reverting this commit helped, it goes back to normal.
> 
> On this system, the VGA monitor is connected to DVI over a VGA-DVI
> connector (and even VGA-switcher).  So, yeah, it's a strange setup.
> But a regression is a regression.

Looking at the commit again, it appears like a simple logic failure.
It should be "&&" instead of "||".


Takashi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/