mirror of
https://github.com/Dasharo/edk2.git
synced 2026-03-06 14:47:27 -08:00
Benjamin Doron
ea1748b4e4
There is an assumption in `IsPciDeviceRejected()` (at least for I/O) that a BAR with all read-write bits set is invalid. However, this is not the case: when a resource is size-aligned down from the top, this may also be the case. This code causes the rejection of the iGPU (and therefore, display) in some cases with the DasharoPayloadPkg, when the coreboot ESOURCE_ALLOCATION_TOP_DOWN config is enabled. It remains to be seen whether this code addresses some other issue. Signed-off-by: Benjamin Doron <benjamin.doron@9elements.com>