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DC Display Support Continues To Be Worked On For Radeon GCN 1.0 With AMDGPU Driver

By axipher
July 17, 2020 in Software News

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Posted July 17, 2020

On top of the recent UVD video decode for AMD Radeon "GCN 1.0" GPUs with the AMDGPU kernel driver to complement the existing Radeon kernel driver support, these aging "Southern Islands" graphics cards also continue to see patchwork on enabling "Display Core" (DC) display support with the AMDGPU driver option.

A new round of patches were sent out today for enabling AMDGPU DC support for GCN 1.0 GPUs in this modern driver alternative to the classic "Radeon" DRM driver. DC is the display code used by modern Radeon GPUs and is shared with their Windows driver. GCN 1.0 supporting DC would allow usage of this unified code path and potentially supporting some new features or at the very least using this more properly tested code path. DC was formerly known as DAL prior to being upstreamed in the kernel and going through a major rework.

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7000 Series cards are still quite viable options on Linux with either the DRM driver or the AMDGPU driver, I still have a couple friends with 7970's that are just chugging along in Windows machines that I might try to snatch for future Linux projects, just need to convince them to upgrade