Dell 7580 Ventura tuning

dman

New member
Joined
Nov 8, 2020
Messages
28
Motherboard
Dell 7580 Laptop
CPU
i7-8565U
Graphics
Intel Corp. UHD Graphics 620 (Whiskey Lake)
OS X/macOS
13.x
Bootloader
  1. OpenCore
Mobile Phone
  1. Android
From Dell specs: described as USB 3.1 Gen 1 (Type-C) port/DisplayPort
 

dman

New member
Joined
Nov 8, 2020
Messages
28
Motherboard
Dell 7580 Laptop
CPU
i7-8565U
Graphics
Intel Corp. UHD Graphics 620 (Whiskey Lake)
OS X/macOS
13.x
Bootloader
  1. OpenCore
Mobile Phone
  1. Android
Interestingly, spiking CPU use when using external display but not when using laptop screen only.

Attached video.
 

Attachments

  • Displays CPU.mp4.zip
    11.2 MB · Views: 2
Last edited:

EliteMacx86

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Staff member
Joined
Jul 22, 2018
Messages
4,147
Motherboard
Supermicro X11SPA-T
CPU
Intel Xeon W-3275 28 Core
Graphics
2xAMD RX 580 8GB
OS X/macOS
11.0.x
Bootloader
  1. OpenCore
Mac
  1. Mac mini
  2. MacBook Pro
Mobile Phone
  1. Android
  2. iOS
Interestingly, spiking CPU use when using external display but not when using laptop screen only.

Attached video.
Assuming you're using Type-C to DP, add -igfxtypec to your boot args and provide the new PR files. Before you generate the PR files, reset NVRAM first.
 

dman

New member
Joined
Nov 8, 2020
Messages
28
Motherboard
Dell 7580 Laptop
CPU
i7-8565U
Graphics
Intel Corp. UHD Graphics 620 (Whiskey Lake)
OS X/macOS
13.x
Bootloader
  1. OpenCore
Mobile Phone
  1. Android
Thanks, I've got audio working over DP and HDMI and verified iGPU power management as per your guide.

Latest PR files.

Currently, the process for reliably getting 4k@60Hz DP/50Hz HDMI is as described in this post:

  1. get the laptop to boot up without external monitor connected
  2. Login to the desktop
  3. Put the laptop into hibernation and close lid
  4. Plug the Display Port cable of the external monitor into the laptop
  5. Wake up the laptop
 

EliteMacx86

Administrator
Staff member
Joined
Jul 22, 2018
Messages
4,147
Motherboard
Supermicro X11SPA-T
CPU
Intel Xeon W-3275 28 Core
Graphics
2xAMD RX 580 8GB
OS X/macOS
11.0.x
Bootloader
  1. OpenCore
Mac
  1. Mac mini
  2. MacBook Pro
Mobile Phone
  1. Android
  2. iOS
Thanks, I've got audio working over DP and HDMI and verified iGPU power management as per your guide.
Great!

  1. get the laptop to boot up without external monitor connected
  2. Login to the desktop
  3. Put the laptop into hibernation and close lid
  4. Plug the Display Port cable of the external monitor into the laptop
  5. Wake up the laptop
Whoa, that's a long process. But glad that there is a workaround.
 
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