Originally posted by dfyt
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As others have said, the PRO drivers are built on the same open source foundation but with closed source OpenGL, OpenCL and Vulkan on top.
We package both all-open and PRO versions of the drivers - the all-open version has the same kernel driver as PRO (same X driver as well IIRC) but replaces the closed-source userspace components with open source ones, eg MesaGL instead of our closed source GL, and the open source version of the AMD Vulkan driver rather than the closed source one.
The distro-packaged stacks are a bit different again, in the sense that they typically use radv instead of our Vulkan driver and use the modesetting X driver instead of the amdgpu X driver.
If we can narrow the difference you are seeing between (I'm guessing) distro-packaged open source and AMD-packaged PRO driver it should be pretty simple to deal with the issue you are seeing.
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