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AMD Smart Access Memory / Resizable BAR On Linux Still Ripe For Improvement
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Apparently, if you have "above 4g decoding" enabled in bios, that means you have resizable BAR support on Linux/AMDGPU. At least with ASUS, not all boards have this BIOS setting. I know that all or most ROG boards have this setting and some Prime boards have it as well, but my board (Prime Z390-P) doesn't have it.
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AMD Smart Access Memory / Resizable BAR On Linux Still Ripe For Improvement
Phoronix: AMD Smart Access Memory / Resizable BAR On Linux Still Ripe For Improvement
Following Mesa 21.0 beginning to see AMD Smart Access Memory optimizations, I ran some benchmarks looking at the current state of S.A.M. / Resizable BAR support on Linux with Radeon graphics...
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