From: Matthew Garrett <mjg@redhat.com>
To: linux-fbdev@vger.kernel.org
Subject: Re: efifb not detected on Intel DQ67SW
Date: Wed, 25 May 2011 18:32:43 +0000 [thread overview]
Message-ID: <20110525183243.GA28887@srcf.ucam.org> (raw)
In-Reply-To: <BANLkTikxX577VKmPRVGcp_Chj-udCf-KaQ@mail.gmail.com>
On Wed, May 25, 2011 at 02:21:17PM -0400, Andrew Lutomirski wrote:
> Looking at the code, I'm a little confused how it's supposed to work.
> AFAICT, unless there's a DMI match, then the driver will only load
> ifthe boot code sets VIDEO_TYPE_EFI, but nothing sets that.
grub should be setting that.
> Should there be something that looks at
> EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE to find the frame buffer? (Does
> that not work on Apple machines?)
By the time we get into the kernel we've called ExitBootServices(), so
at that point we can't do anything with GOP. grub should have grabbed
that information and stashed it in the appropriate field.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2011-05-25 18:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-25 18:21 efifb not detected on Intel DQ67SW Andrew Lutomirski
2011-05-25 18:32 ` Matthew Garrett [this message]
2011-05-25 18:54 ` Andrew Lutomirski
2011-05-26 4:09 ` Andrew Lutomirski
2011-05-26 13:56 ` Peter Jones
2011-05-26 14:12 ` Andrew Lutomirski
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