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Bug #275

open

Securely running ATI/AMD VGA Option ROM fails with `Unknown INT15 function 5f08!`

Added by Paul Menzel over 4 years ago. Updated over 4 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
07/19/2020
Due date:
% Done:

0%

Estimated time:
Affected versions:
Needs backport to:
Affected hardware:
Affected OS:

Description

coreboot master built with Secure Mode as Option ROM execution type (Secure mode)

CONFIG_PCI_OPTION_ROM_RUN_YABEL=y

halts with the message below, when run on the Lenovo T60 (Type 2007 with dedicated/external ATI/AMD graphics device).

coreboot-4.12-1529-gbcf07b2adb Sat Jul 18 22:03:11 UTC 2020 smm starting (log level: 7)...
SMI#: ACPI disabled.
APMC done.
PCI: 00:1f.0 init finished in 42 msecs
PCI: 00:1f.1 init
i82801gx_ide: initializing...
PCI: 00:1f.1 init finished in 2 msecs
PCI: 00:1f.2 init
i82801gx_sata: initializing...
SATA controller in AHCI mode.
PCI: 00:1f.2 init finished in 5 msecs
PCI: 01:00.0 init
FMAP: area COREBOOT found @ 60200 (1703424 bytes)
CBFS: Locating 'pci1002,7149.rom'
CBFS: Found @ offset 2ce40 size fc00
In CBFS, ROM address for PCI: 01:00.0 = 0xffe8d088
Copying VGA ROM Image from 0xffe8d088 to 0xc0000, 0xfc00 bytes
intel_vga_int15_handler: AX=5f08 BX=002d CX=0000 DX=4000
Unknown INT15 function 5f08!
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