diff --git a/src/asahi/layout/layout.c b/src/asahi/layout/layout.c
index 074279eb685..7b57d6fb266 100644
--- a/src/asahi/layout/layout.c
+++ b/src/asahi/layout/layout.c
@@ -29,7 +29,7 @@ ail_initialize_linear(struct ail_layout *layout)
  * Get the maximum tile size possible for a given block size. This satisfy
  * width * height * blocksize = 16384 = page size, so each tile is one page.
  */
-static inline struct ail_tile
+struct ail_tile
 ail_get_max_tile_size(unsigned blocksize_B)
 {
    /* clang-format off */
diff --git a/src/asahi/layout/layout.h b/src/asahi/layout/layout.h
index 68763f41af8..914bae15ce5 100644
--- a/src/asahi/layout/layout.h
+++ b/src/asahi/layout/layout.h
@@ -329,6 +329,8 @@ ail_is_level_twiddled_uncompressed(const struct ail_layout *layout,
    }
 }
 
+struct ail_tile ail_get_max_tile_size(unsigned blocksize_B);
+
 void ail_make_miptree(struct ail_layout *layout);
 
 void ail_detile(void *_tiled, void *_linear,