7eff8d7d35
For dcn1 && < 64 bpp displayable surfaces, addrlib only accepts
S swizzles.
At the same time addrlib prefers D swizzles is allowed, so we can
just allow S swizzles as fallback.
Fixes: b64b712558 "ac/surface/gfx9: request desired micro tile mode explicitly"
Reviewed-by: Marek Olšák <marek.olsak@amd.com>