[Bug 26891] Radeon KMS fails with inaccessible AtomBIOS on systems with (U)EFI boot

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Aug 3 10:12:52 PDT 2012


https://bugs.freedesktop.org/show_bug.cgi?id=26891

--- Comment #24 from David L. <equinox-freedesktopbugs at diac24.net> 2012-08-03 17:12:52 UTC ---
(In reply to comment #23)
> On UEFI systems the vbios should be accessible via the ACPI VFCT.  See the
> bottom of atombios.h for struct definitions.  Macs do their own thing so I
> don't know if this will work on them or not.

Should this already work on 3.4.7 and should I file a separate report about
ACPI VFCT being broken or is that future tense/upcoming?

Also, in hybrid boot mode at least, acpidump gives me no hits for VFCT (just
tried acpidump | grep VFCT, that should show something shouldn't it?) Will try
under native UEFI in a minute...

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