Re: [coreboot] VGA and Graphics

[Matt DeVillier]

On Tue, Apr 4, 2017 at 2:23 PM, Zoran Stojsavljevic <
[e-mail]> wrote:
> Furthermore, let me tell you all that this is a mechanism to support ONLY
> The Legacy BIOS (UEFI works ONLY with GOP, but this is another
> dimension/discussion), and, to all of your knowledge (which I have no idea
> how deep it is, I doubt), VBT table survives postmortem BIOS. By Linux, it
> will be RELOCATED into much higher (over 1MB) 32bit protected mode memory
> (addresses recalculated), and still use INT10H, using vBIOS (Option ROM, my
> best guess) down there.

no, the UEFI GOP driver needs the VBT to actually do anything.  Look at any
current PC UEFI firmware, or even x86 ChromeOS firmware, and you'll see
they all use/contain a VBT still.