Originally posted by humbug
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AMDGPU vs. Radeon DRM Driver Performance On Linux 4.15
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Originally posted by turboNOMAD View PostI have an R9 290 which I use both for Native and Wine gaming. Does not seem to be regressed, although I use Arch Linux + mesa-git + llvm-svn.
Any chance of AMDGPU getting declared "stable" for GCN 1.1 in the near future? I'm still using radeon, didn't bother to mess with kernel parameters.
Also I agree not having the new kernel driver as the default is a major issue. Because that means no Vulkan..
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Originally posted by schmidtbag View PostKinda funny - when I try running radeonsi on my 290, everything runs flawlessly. When I try to run amdgpu, the computer isn't frozen but my display is. When Michael runs radeonsi, performance is regressed, but when he runs amdgpu everything improves.
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While I happy with performance of Vega 64 that I going to gift (as part of PC with Ryzen 1800X) I think some older cards should be fixed: https://bugs.freedesktop.org/show_bug.cgi?id=91880#c177
I just don't get how GRENADA cards still not fixed for two years.
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Kinda funny - when I try running radeonsi on my 290, everything runs flawlessly. When I try to run amdgpu, the computer isn't frozen but my display is. When Michael runs radeonsi, performance is regressed, but when he runs amdgpu everything improves.
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Originally posted by turboNOMAD View Post
You are correct, Arch packages kernels (and all other packages for that matter) exactly in the same configuration as they come from upstream.
This is exactly why I'm asking here, knowing that AMD/Mesa/Xorg developers frequently visit this forum.
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Even though I hardly have chips that are capable of both (Kabinis, everything else is deepest r600 or pure AMDGPU) this was very interesting to read. Thanks, Michael!
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Typo:
The AMDGPU support for GCN 1.0/1.1 remains experimental but with recent kernels can be easily enabled via the radeon.si_support=0 amdgpu.si_support=1 kernel command-line switches for GCN 1.0 GPUs or radeon.cik_support=0 radeon.cik_support=1 for GCN 1.1 GPUs.
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Originally posted by R41N3R View PostIn Arch Linux it is usually not like that. If upstream declares AMDGPU as stable, Arch Linux will follow.
From my point of view it make sense as well to enable AMDGPU at some point as the default for these cards in the not to distant future to avoid confusion, reduce driver paths and to provide RADV.
This is exactly why I'm asking here, knowing that AMD/Mesa/Xorg developers frequently visit this forum.
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