acidanthera/WhateverGreen 1.4.1 on GitHub

Added igfxmetal=1 boot argument (and enable-metal property) to enable Metal on offline IGPU
Fixed applying patches on CometLake IGPUs, thx @apocolipse
Added constants required for 11.0 update
Added the use of RPS control for all the command streamers on IGPU (disabled via igfxnorpsc=1)
Add -igfxvesa to disable Intel Graphics acceleration.
Fix black screen on igfx since 10.15.5
Add workaround for rare force wake timeout panics on Intel KBL and CFL.
Add Intel Westmere graphics support.