winsys/amdgpu: make amdgpu_bo_unmap non-static

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5798>
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
index e359f1a..ebc4fed 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
@@ -47,8 +47,6 @@
    uint32_t begin, end;
 };
 
-static void amdgpu_bo_unmap(struct pb_buffer *buf);
-
 static bool amdgpu_bo_wait(struct pb_buffer *_buf, uint64_t timeout,
                            enum radeon_bo_usage usage)
 {
@@ -400,7 +398,7 @@
    return (uint8_t*)cpu + offset;
 }
 
-static void amdgpu_bo_unmap(struct pb_buffer *buf)
+void amdgpu_bo_unmap(struct pb_buffer *buf)
 {
    struct amdgpu_winsys_bo *bo = (struct amdgpu_winsys_bo*)buf;
    struct amdgpu_winsys_bo *real;
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.h b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.h
index 3228c07..ace651d 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.h
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.h
@@ -134,6 +134,7 @@
 void *amdgpu_bo_map(struct pb_buffer *buf,
                     struct radeon_cmdbuf *rcs,
                     enum pipe_transfer_usage usage);
+void amdgpu_bo_unmap(struct pb_buffer *buf);
 void amdgpu_bo_init_functions(struct amdgpu_screen_winsys *ws);
 
 bool amdgpu_bo_can_reclaim_slab(void *priv, struct pb_slab_entry *entry);