2 comments:
File src/soc/intel/tigerlake/chip.c:
Patch Set #6, Line 142: if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE))
> Disabling BME before handing off to OS is guided for Thunderbolt Vt-d security based platform. […]
Will update with src/drivers/intel/tbt driver on the dependency CB:41042
Patch Set #6, Line 157: clear_tbt_pcie_rp_bme(dev, PCI_DEVICE_ID_INTEL_TGL_TBT_RP3);
Thunderbolt has many security vulnerabilities. VT-d is one way to help plug some of those. […]
Will update with src/drivers/intel/tbt driver on the dependency CB:41042.
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