radv: mark AMD CDNA as unsupported

No access to the hw and likely broken.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33113>

src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.c

@@ -24,6 +24,10 @@
 static bool
 radv_is_gpu_supported(const struct radeon_info *info)
 {
+   /* AMD CDNA isn't supported. */
+   if (info->gfx_level == GFX9 && !info->has_graphics)
+      return false;
+
    /* GFX12 isn't supported. */
    if (info->gfx_level >= GFX12)
       return false;