Originally posted by fenixex
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I have a PRIME X470-PRO, 2700X, and RX 580. On Windows and Linux, I can do above 4G decode no problem.
On Windows, if I do Resizable BAR, all VRAM reporting gets broken seemingly. Radeon's control panel reports infinity VRAM (lol). Anything using Vulkan breaks (most things with DXVK just flickered; Dota 2 ran incredibly slow, Oculus Link's dash stops working). I think a D3D11 game worked fine though with quick testing. This happens with 20.11.1 and ASUS 5809 BIOS (latest).
On Linux, I haven't done any actual gaming or testing, but dmesg reports a 8192M BAR with Resizable BAR enabled, which I assume means it's fine.
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