FSP can't initialize the graphics device without a valid VBT being loaded. Are you supplying that and setting the associated options in your config?
On Fri, Oct 4, 2019, 12:32 AM Senthil Kumar G via coreboot < [email protected]> wrote: > Hi, > > We are developing coreboot along with UEFI shell payload for Coffelake > architecture. We are using the processor integrated graphics controller for > display. > > I am getting the following error on porting the coreboot. > > Grahics hand-off block not found. > FSP did not return a valid framebuffer. > > I checked internal graphics is enabled in FSP and graphics memory is set > to 32 MB. Also applied a patch found in coreboot mailing list on device > tree and gpio files for Intel graphics. > > Whether Coreboot can print any messages on the display (other than > console). > > Coreboot came up and I got the shell prompt on Uart Console. The same > shell prompt has to come on the display (monitor) but not displayed. I > suspect some graphics initialization problem. > > Regards, > gsen. > > > > > > > _______________________________________________ > coreboot mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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