[S] Change in coreboot[master]: soc/intel/cmn/graphics: Implement API for IGD to join the MBUS

[Subrata Banik (Code Review)]

Attention is currently required from: Paul Menzel, Paz Zcharya.

Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/76928?usp=email )

Change subject: soc/intel/cmn/graphics: Implement API for IGD to join the MBUS
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Patch Set 6:

(4 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/76928/comment/308a2217_4836cf4e :
PS2, Line 10: controlto
> control to

Acknowledged

https://review.coreboot.org/c/coreboot/+/76928/comment/b9b8f378_21ab18a4 :
PS2, Line 10: required operations before handing the controlto the payload or OS.
> Trailing space.

Acknowledged

https://review.coreboot.org/c/coreboot/+/76928/comment/ec58afd8_7485a07a :
PS2, Line 29: When enabled, saves 75ms-80ms of the boot time by avoiding redundant
            : display initialization by kernel graphics driver (i.e., i915_gfx).
> Is this happening on shipped ChromeOS devices?

yes, that the plan so far we have.

marking this resolved. Please let me know if you think otherwise

https://review.coreboot.org/c/coreboot/+/76928/comment/4c680595_73967a2f :
PS2, Line 31:
> It’d be great, if you added the available modes, and why hashing mode is chosen.

Acknowledged