Tried to build the Mesa radv vulkan driver. It just worked (Debian Sid)—
# YMMV - I may have had some requirements already installed
sudo apt install llvm-dev libelf-dev libx11-xcb-dev libxcb-dri2-0-dev libxcb-dri3-dev libxcb-present-dev libxshmfence-dev libsensors-dev
git clone --depth=10 https://gitlab.freedesktop.org/mesa/mesa.git
cd mesa
mkdir build
meson build/ -Dprefix=/opt/mesa -Ddri-drivers= -Dgallium-drivers= -Dvulkan-drivers=amd
ninja -C build
sudo mkdir /opt/mesa
sudo ninja -C build install
# show info
VK_ICD_FILENAMES="/opt/mesa/share/vulkan/icd.d/radeon_icd.riscv64.json" vulkaninfo
