radv: set BIG_PAGE to improve performance on GFX10.3

It reduces traffic between CB, DB and TCP blocks if buffers
respect a certain alignment.

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/6482>
2 files changed