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: Tue, 10 Dec 2013 03:06:48 +0000 [thread overview]
Message-ID: <bug-66791-2300-Sa2gdZ1jgD@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-66791-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=66791
--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
I can't find the patches off hand, but IIRC, you cannot use grub to load the
firmware as the information is only accessible before you exit the boot
services in EFI. The kernel must be booted using EFI stub booting (that's
where the code for getting the bios image is). If you are already using EFI
stub booting, maybe you need to add additional handling for your mac? Anyway,
this isn't really a radeon driver issue per se, it's a mac platform bug.
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next prev parent reply other threads:[~2013-12-10 3:06 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
2013-12-10 1:43 ` bugzilla-daemon
2013-12-10 3:06 ` bugzilla-daemon [this message]
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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