panfrost: Expose panfrost_block_dim()

So we can use it from pan_resource.c to retrieve the tile size based on
a modifier.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7653>

src/panfrost/lib/pan_texture.c

@@ -206,7 +206,7 @@ panfrost_estimate_texture_payload_size(
  * line stride as such.
  */
 
-static unsigned
+unsigned
 panfrost_block_dim(uint64_t modifier, bool width, unsigned plane)
 {
         if (!drm_is_afbc(modifier)) {

src/panfrost/lib/pan_texture.h

@@ -88,6 +88,9 @@ panfrost_afbc_header_size(unsigned width, unsigned height);
 bool
 panfrost_afbc_can_ytr(enum pipe_format format);
 
+unsigned
+panfrost_block_dim(uint64_t modifier, bool width, unsigned plane);
+
 unsigned
 panfrost_estimate_texture_payload_size(
                 unsigned first_level, unsigned last_level,