The ANV vulkan driver supports Intel's Gen 7 hardware and later. It's a reverse-engineered, community-developed driver, and is not endorsed by Qualcomm. The Freedreno driver supports the Qualcomm Adreno GPUs, from the A2xx series to the A6xx series. It's a reverse-engineered, community-developed driver, and is not endorsed by Vivante. The Etnaviv driver supports the Vivante GCxxx series of embedded GPUs. It's officially supported by Broadcom, and is one of two Linux drivers for the hardware. The VC4 driver supports Broadcom's VC4 GPU, which is found among other other things in most of the Raspberry Pis.
The V3DV Vulkan driver supports Broadcom's VC5 and later GPUs, similar to the V3D driver. It's officially supported by Broadcom, and is the official Linux driver for the hardware. The V3D OpenGL driver supports Broadcom's VC5 and later GPUs, which is found in the Raspberry Pi 4. It's not officially supported by AMD, but it's based on public information provided by AMD.
The AMD RADV Vulkan driver supports AMD's GCN and RDNA GPUs. It's officially supported by AMD, and is one of two Linux drivers for the hardware. The RadeonSI OpenGL and OpenCL driver supports AMD's Southern Island GPUs and later. The R600 driver supports AMD's Radeon HD 2000 GPU series. The R300 driver supports AMD's Radeon R300 GPU series.
