radv: enable the unified heap on APUs for Red Dead Redemption 2

This seems to resolve the memory explosion without hurting performance.
This workaround is only applied for native Vulkan.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18884>
1 file changed