[coreboot] VGA and Graphics

[Matt DeVillier]

On Tue, Apr 4, 2017 at 2:23 PM, Zoran Stojsavljevic <
zoran.stojsavljevic at gmail.com> 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.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.coreboot.org/pipermail/coreboot/attachments/20170404/bdd1ceb0/attachment.html>