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Flicker over HDMI (Sapphire Pulse RX580, Catalina)


Tristana
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Hello-

I've had two issues where, when switching my monitor to my hackintosh, it would at first be black without unplugging & replugging the HDMI cable (latest WhateverGreen.kext seems to have fixed this), and it will sometimes flicker, requiring me to toggle back and forth to the input again or unplug/replug the cable until it stops flickering.

Currently I'm just using the latest WhateverGreen.kext, but I did try modifying my config in the following way:

Quote

FB Name: Orinoco
RadeonDeinit = True
Inject ATI = True

With the following Kext patch:
 

Quote

Name: com.apple.driver.AppleGraphicsDevicePolicy
Find: BA050000 00
Replace: BA000000 00

This didn't seem to accomplish anything. I did run it concurrently with the latest WhateverGreen, would I need to remove that for this patch to work?

Any thoughts on how I can get this flickering to stop, or links to others who have had+solved this? Thanks!

Specs:
i5-7600k
ASRock Z270M Pro4
Mushkin Blackline 2x8GB DDR4 2400
Sapphire Radeon RX580 Pulse 8GB

Monitor:  LG 27GN850-B

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I'd spoken too soon; WhateverGreen doesn't seem to have fixed the issue with a black screen when I switch my monitor's input for the hackintosh, I have to unplug/replug still.

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