4 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index c70927ecda21..ceae52f45c39 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -369,6 +369,7 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp)
 #endif
         return tmp;
 }
+EXPORT_SYMBOL(ttm_io_prot);
 
 static int ttm_bo_ioremap(struct ttm_buffer_object *bo,
                           unsigned long bus_base,
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 336976e8652d..8bfde5f40841 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -461,6 +461,7 @@ void ttm_mem_global_free(struct ttm_mem_global *glob,
 {
         return ttm_mem_global_free_zone(glob, NULL, amount);
 }
+EXPORT_SYMBOL(ttm_mem_global_free);
 
 static int ttm_mem_global_reserve(struct ttm_mem_global *glob,
                                   struct ttm_mem_zone *single_zone,
@@ -534,6 +535,7 @@ int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
         return ttm_mem_global_alloc_zone(glob, NULL, memory, no_wait,
                                          interruptible);
 }
+EXPORT_SYMBOL(ttm_mem_global_alloc);
 
 int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
                               struct page *page,
@@ -589,3 +591,4 @@ size_t ttm_round_pot(size_t size)
         }
         return 0;
 }
+EXPORT_SYMBOL(ttm_round_pot);
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index a55ee1a56c16..90ea46aed050 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -192,6 +192,7 @@ int ttm_tt_populate(struct ttm_tt *ttm)
         ttm->state = tt_unbound;
         return 0;
 }
+EXPORT_SYMBOL(ttm_tt_populate);
 
 #ifdef CONFIG_X86
 static inline int ttm_tt_set_page_caching(struct page *p,
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index e8cd6d20aed2..7a39ab9aa1d1 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -545,6 +545,15 @@ extern int ttm_tt_set_user(struct ttm_tt *ttm,
 extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem);
 
 /**
+ * ttm_tt_populate:
+ *
+ * @ttm: The struct ttm_tt to contain the backing pages.
+ *
+ * Add backing pages to all of @ttm
+ */
+extern int ttm_tt_populate(struct ttm_tt *ttm);
+
+/**
  * ttm_ttm_destroy:
  *
  * @ttm: The struct ttm_tt.