John Zhao has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/40968 )
Change subject: soc/intel/tigerlake: Clear TBT PCIe root ports BME at exit boot service
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Patch Set 6:
(1 comment)
Patch Set 6:
(1 comment)
https://review.coreboot.org/c/coreboot/+/40968/4//COMMIT_MSG
Commit Message:
https://review.coreboot.org/c/coreboot/+/40968/4//COMMIT_MSG@11
PS4, Line 11: and devices at exit boot service. In this state with BME bit cleared,
Can you please give a reference, where this is specified?
It is from Thunderbolt BIOS implementation guide which enumerates firmware development for Vt-d based security requirements. Those requirements are illustrated in the #141609884.
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