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SubjectRe: How to disable drm/kms actions during boot?
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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
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