radv: remove unnecessary code around CACHE_FLUSH_AND_INV_TS_EVENT

AMDVLK also always uses CACHE_FLUSH_AND_INV_TS_EVENT. The other
workaround is to flush DB metadata after emitting the framebuffer,
but that seems slower.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
1 file changed