How to Fix DRM issue on 6700K with rx580 on Big Sur 11.2
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Check if your GPU requires WhateverGreen or specific boot-args (e.g., agdpmod=pikera).
- Ensure Metal acceleration is fully supported for your macOS version.
- Update Lilu and WhateverGreen to the latest versions.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Hi,
After updating to Big Sur I tried playing series on AppleTV+ but it just close and black screen. What I found in what evergreen manual where it mentions
*AMD GPU video decoder preference can be chosen through preferences overrides for some types of DRM content (like Apple TV and iTunes movie streaming)
UNDER LIST OF OVERRIDES it mentions
List of overrides:
- defaults write com.apple.AppleGVA gvaForceAMDKE -boolean yes
forces AMD DRM decoder for streaming services (like Apple TV and iTunes movie streaming)
I am just not able to find out where I need to put these lines to make my AMD card just play the content on AppleTV+ using imac17,1
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