RADV Vulkan Driver Lands Initial Support For GFX11.5 "RDNA3 Refresh"

Written by Michael Larabel in Radeon on 24 October 2023 at 06:46 AM EDT. 5 Comments
Samuel Pitoiset of Valve's open-source Linux graphics driver team has landed initial support for GFX11.5 "RDNA3 refresh" graphics within the RADV Vulkan driver for the upcoming Mesa 23.3.

Last week AMD upstreamed GFX11.5 support to the RadeonSI Gallium3D driver for OpenGL with Mesa 23.3. Now this week Valve's Samuel Pitoiset has made the similar changes to the RADV Vulkan driver.

With the driver code paths for GFX11.5 largely taking the same routes as those of existing RDNA3 / Navi 3 with GFX11.0, the upstreaming isn't too significant. Enabling the GFX11.5 support in the RADV driver amounts to just adding the new "CHIP_GFX1150" ID and a minor command buffer change to a function.

RADV GFX11.5 support merged

The couple lines of code for GFX11.5 in RADV can be found via this merged code ahead of this quarter's Mesa 23.3 release.

GFX11.5 is expected to be the refreshed RDNA3 graphics expected to appear with next-gen APUs/SoCs, likely in the Ryzen 8000 series. Wherever the GFX11.5 graphics end up appearing, at least we're seeing this new hardware enablement for the Linux kernel and Mesa continue to happen pre-launch so there will hopefully be nice out-of-the-box support come launch day.
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