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From: Alex Deucher <alexdeucher@gmail.com>
To: Matti Aarnio <matti.aarnio@zmailer.org>
Cc: dri-devel@lists.sf.net, linux-kernel@vger.kernel.org
Subject: Re: How to disable drm/kms actions during boot?
Date: Sat, 3 Oct 2009 10:38:12 -0400	[thread overview]
Message-ID: <a728f9f90910030738q4341611fm4ccd680b51201f6d@mail.gmail.com> (raw)
In-Reply-To: <20091003121958.GD32486@mea-ext.zmailer.org>

On Sat, Oct 3, 2009 at 8:19 AM, Matti Aarnio <matti.aarnio@zmailer.org> wrote:
> I have a display card + display combination that has recently had much problems
> during system boot.  Some system versions boot just fine to very large text mode,
> others create entirely black display.
>
> Is there any way to forbid the DRM from doing "maximize the text display area"
> operation at all during the boot?  I do want the DRM/KMS to happen latter, but
> NOT during system boot!
>

Boot with nomodeset or radeon.modeset=0 on the kernel command line.
That will disable kernel modesetting at boot.  You can then manually
load the modules with or without modesetting once the system is
booted.  drm-next also recently got support for forcing the console
mode.

Alex

  parent reply	other threads:[~2009-10-03 14:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-03 12:19 Matti Aarnio
2009-10-03 13:53 ` Matti Aarnio
2009-10-03 14:38 ` Alex Deucher [this message]
2009-10-03 15:12   ` Matti Aarnio

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