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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 66791] Radeon fails to find vbios on macbook pro 2, 1 (2007) for x1600 using kernel EFI stub
Date: Mon, 09 Dec 2013 16:03:35 +0000	[thread overview]
Message-ID: <bug-66791-2300-WxcZ1UO2Jk@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-66791-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=66791

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |alexdeucher@gmail.com

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Apple's EFI implementation does not provide a way to fetch the vbios after the
OS takes over.  IIRC, you need a special bootloader and kernel support for
fetching the vbios before passing control to the OS.  I think Matthew Garret
had patches to support this at some point, I'm not sure what their status is. 
The other option is to boot using the legacy bios interface (not EFI).

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  parent reply	other threads:[~2013-12-09 16:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-66791-2300@https.bugzilla.kernel.org/>
2013-12-09 13:45 ` [Bug 66791] Radeon fails to find vbios on macbook pro 2, 1 (2007) for x1600 using kernel EFI stub bugzilla-daemon
2013-12-09 16:03 ` bugzilla-daemon [this message]
2013-12-10  1:43 ` bugzilla-daemon
2013-12-10  3:06 ` bugzilla-daemon
2013-12-10  3:39 ` bugzilla-daemon
2013-12-10 14:07 ` bugzilla-daemon
2013-12-24  2:03 ` bugzilla-daemon
2015-03-28  9:24 ` bugzilla-daemon

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