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Vega 12 Patches Appear for AMD Open-Source Linux Driver


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#1 Guest_Jim_*

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Posted 21 March 2018 - 09:03 AM

AMD has been working hard for quite some time now on its open source Linux drivers, ensuring the proper code is there when products launch, but as it is open source, the patches are visible to the public. Recently some 42 patches, totaling sixty thousands lines of kernel code, appeared within the AMD GPU Direct Rendering Manager (DRM) kernel driver, bringing initial support for Vega 12. A lot of the code is auto-generated header files and even the new code is largely copied from that for Vega 10 and the Raven Ridge APUs, but it is still there so it appears Vega 12 is coming.

Exactly what this GPU is can only be guessed at currently, but it being the previously seen and announced discrete mobile version of the architecture would make sense. The code does have five PCI IDs in it, but this does not mean there will be five SKUs of the GPU as manufacturers often reserve more of these than they need. This covers the potential release of additional SKUs in the future as well as engineering variants that never come to consumers.

Source: Phoronix



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#2 Guest_Jim_*

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Posted 22 March 2018 - 12:13 PM

Quick update to this story: the RadeonSI Galliume3D OpenGL driver has been patched now to also support Vega 12. Still no information on what this GPU is, but it has been stated it is not the GPU in the hybrid Intel-Vega package. That leaves it being the discrete mobile variant, or possibly a replacement to the RX 500 series, but that is only speculation. The RADV Vulkan driver does not support Vega 12 yet, but that might be waiting for the RADV developers to do. Can probably expect to see support settled in time for the Mesa 18.1 release next quarter.

Source: Phoronix


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