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

From: Takashi Iwai
Date: Wed Apr 18 2012 - 09:19:51 EST


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@xxxxxxx>
> 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@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/