linux-kernel - Re: screen goes blank when loading gma500

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Date:	Thu, 19 Mar 2015 11:56:41 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Michael Tokarev <mjt@....msk.ru>
Cc:	Linux-kernel <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org
Subject: Re: screen goes blank when loading gma500_gfx (atom D2500)

On Thu, 19 Mar 2015 14:09:29 +0300
Michael Tokarev <mjt@....msk.ru> wrote:

> Half a year passed since my first email in this thread, and current kernels
> (4.0-tobe) still does not work properly.  Meanwhile, I found this thread:
> http://www.linuxquestions.org/questions/slackware-installation-40/black-screen-on-intel-desktopboard-d2500cc-4175503983/
> which seems to help.  I wonder where they got these boot params from...
> 

Its one of the standard suggestions for dealing with wonky DRM I think.

If that makes the difference on your box can you send me a dmidecode of
it, and I'll see if we can at least teach the driver that the 2500CC
needs LVDS enabled regardless of what the BIOS reports.

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