I have a Dell Inspiron 15 7000 (2-in-1), model 7586.
It has a Whiskey Lake i7-8565U with Intel UHD 620 Graphics.
I've got full QE/CI, and the backlight works fine with the new WhateverGreen CFL patches and SSDT-PNLFCFL.aml.
I'm getting some weird graphical glitches. For a start, blur effects like the launchpad background look horrendous, like I have 16-bit colour or something (macOS reports 24-bit, and I'm pretty sure Windows does 32 or something). A picture is below. Next, gradients have stripes of shades instead of a smooth blend. This was to hard to get in a photo, though. The last thing is the weird lines surrounding the dock. A photo is below. None of these things show up in screenshots. All-in-all, it looks like I'm remoting into my desktop via a highly compressed VNC connection rather than the display being actually connected, like it is. One last thing to note is that macOS says the built-in display's connected via DisplayPort, but I don't think that's the issue - I just need to add the right connector device properties?
Images are on my forum post here.
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