[U-Boot] [PATCH 14/18] efi: stub: Pass EFI GOP information to U-Boot payload

[Bin Meng]

On Mon, Jun 11, 2018 at 3:16 AM, Alexander Graf <agraf at suse.de> wrote:
>
>
> On 10.06.18 15:25, Bin Meng wrote:
>> If UEFI BIOS has the graphics output protocol (GOP), let's pass its
>> information to U-Boot payload so that U-Boot can utilize it (eg:
>> an EFI framebuffer driver).
>>
>> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>
> Why can't the FB drive determine all of this on its own and just fail
> probe if no GOP protocol can be found?
>

It cannot. Once U-Boot payload is running, the boot services are gone.
There is no way to determine the GOP protocol.

Regards,
Bin