So, if one does not have a dGPU, one should not set CONFIG_MULTIPLE_VGA_ADAPTERS and the appropriate tables will be filled in with the vbios for the iGPU. And the dGPU will not be initialized. (or attempted, since it doesn't exist)

If one does have a dGPU, then only information for the dGPU will be included (no vbios for iGPU) and the iGPU will not be initialized.

Is this correct?

-Matt

On Mon, Feb 18, 2019 at 10:02 AM Mike Banon <mikebdp2@gmail.com> wrote:

Great news! /u/QubesN00b flashed this dGPU build to his "no-dGPU"
G505S and everything seems to be working fine for him :D (
https://www.reddit.com/r/coreboot/comments/ar8v7d/if_your_g505s_does_not_have_a_discrete_gpu/
) . Now I could e.g. remove "if
(IS_ENABLED(CONFIG_MULTIPLE_VGA_ADAPTERS))" condition from
https://review.coreboot.org/c/coreboot/+/31450/3/src/mainboard/lenovo/g505s/OemCustomize.c
- and set BottomIo to 0xD0 for all G505S.