About iGPU DRM decoding

So It seems DRM decoding doesn’t work for iGPU only system since macOS Sierra(Apple music Lossless, Apple TV, Netflix or Amazon Prime video playback on Safari)

My hackintosh system is ThinkPad T470 with 7th gen Kaby lake intel HD Graphics 620. I first tried hackintosh with MacBookPro16,2. Everything worked but Apple Music Lossless and Radio didn’t work as they need DRM decoding which my iGPU doesn’t support.

I searched for the solution on internet and found out if I use MacPro7,1 or iMacPro1,1 SMBIOS, Apple music Lossless and radio works. My question is, how is it actually working just changing SMBIOS? As long as I know those two devices are iGPU less systems(Xeon) so I thought “It won’t even display anything or I’ll miss graphic acceleration” but I was wrong and actually fixed some DRM decoding issue?

submitted by /u/PuzzleheadedMany9534
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