Mesa isn’t a kernel driver. AMDGPU is the name of the kernel module and it’s primarily developed by AMD. Mesa provides OpenGL, Vulkan, etc. implementations and is funded by AMD, Intel and Valve (among others). There’s also AMDGPU-PRO which is a proprietary alternative to Mesa from AMD.
Mesa isn’t a kernel driver. AMDGPU is the name of the kernel module and it’s primarily developed by AMD. Mesa provides OpenGL, Vulkan, etc. implementations and is funded by AMD, Intel and Valve (among others). There’s also AMDGPU-PRO which is a proprietary alternative to Mesa from AMD.