Change in coreboot[master]: [WIP] Nvidia Optimus support for ThinkPads

[Patrick Rudolph (Code Review)]

Patrick Rudolph has posted comments on this change. ( https://review.coreboot.org/28380 )

Change subject: [WIP] Nvidia Optimus support for ThinkPads
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Patch Set 7:

(2 comments)

https://review.coreboot.org/#/c/28380/7//COMMIT_MSG
Commit Message:

https://review.coreboot.org/#/c/28380/7//COMMIT_MSG@29
PS7, Line 29: - nouveau driver unloading (`rmmod` or `modprobe -r`) does not work well: it
Can you test if it does work without the optimus patch? I could imagine it's related to missing ACPI _BCM, _BCL, _BQC.
Have a look at  drivers_intel_gma_displays_ssdt_generate() for Intel GMA.

https://review.coreboot.org/#/c/28380/7//COMMIT_MSG@41
PS7, Line 41: - VGA ROM for Nvidia GPU is not loaded from BIOS (i.e. coreboot). Need
Should work with pciXXXX,YYYY.rom in CBFS.
You can use acpi_dump to read it in chunks from generated _ROM.