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Fix High Idle Power Consumption with AMD dGPU on Kernel 6.13
(programming.dev)
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Huh interesting. Are these displays all the exact same model?
There's a relatively new feature in the amd gfx display abstraction layer called freesync power optimisation. This feature leverages panel VRR to help mclk idle low at the desktop. This was introduced for single display use with RDNA 2, and expanded to dual display along with RDNA3s MALL advancements. I'm not sure if this is expanded further with RDNA 4 but I can try to find out.
Yep. I like me some symmetry.
Thanks very much; I would love to have all three displays freesyncing!
I don't believe FPO was expanded to >2 displays, though having identical panels would eliminate VBI complexities. Will be interested in understanding how this behaves with rdna 4.