coreboot needs to initialize the display and provide the framebuffer for
edk2 to use. What display init option do you have selected? It needs to be
'RUN FSP GOP' and a valid VBT is needed for the FSP PEI GOP driver to
successfully execute

On Tue, Apr 4, 2023 at 8:17 AM cagatay bagci via coreboot <
coreboot@coreboot.org> wrote:

> Hello all,
> I have a custom CFL board. I used Tianocore UEFI payload. It boots without
> problem on console and I can enter BIOS menu. I put appropriate vbt.bin
> file and added that path to config file, so VBT exists. However, I cannot
> get display output. I inspected debug log and it says "graphics hand-off
> block not found" in one line. I understand that FSP does not build
> "gEfiGraphicsInfoHobGuid". Do you have an idea why FSP does not produce
> that HOB?
>
> In addition to that, by using FSP debug binary, I can see that FSP does
> not even enter PeiGraphicsEntryPoint. It somehow quits after
> "SerialIoInit() Start" and notifys Post PCI Enumeration.
>
> Thanks,
>
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