1 files changed, 64 insertions, 24 deletions
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 116821448c3..49a828425fa 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -26,45 +26,85 @@
 #ifndef TTM_PAGE_ALLOC
 #define TTM_PAGE_ALLOC
 
-#include "ttm_bo_driver.h"
-#include "ttm_memory.h"
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_memory.h>
 
+struct device;
+
+/**
+ * Initialize pool allocator.
+ */
+int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
 /**
- * Get count number of pages from pool to pages list.
+ * Free pool allocator.
+ */
+void ttm_page_alloc_fini(void);
+
+/**
+ * ttm_pool_populate:
  *
- * @pages: heado of empty linked list where pages are filled.
- * @flags: ttm flags for page allocation.
- * @cstate: ttm caching state for the page.
- * @count: number of pages to allocate.
+ * @ttm: The struct ttm_tt to contain the backing pages.
+ *
+ * Add backing pages to all of @ttm
  */
-int ttm_get_pages(struct list_head *pages,
-		  int flags,
-		  enum ttm_caching_state cstate,
-		  unsigned count);
+extern int ttm_pool_populate(struct ttm_tt *ttm);
+
 /**
- * Put linked list of pages to pool.
+ * ttm_pool_unpopulate:
  *
- * @pages: list of pages to free.
- * @page_count: number of pages in the list. Zero can be passed for unknown
- * count.
- * @flags: ttm flags for page allocation.
- * @cstate: ttm caching state.
+ * @ttm: The struct ttm_tt which to free backing pages.
+ *
+ * Free all pages of @ttm
+ */
+extern void ttm_pool_unpopulate(struct ttm_tt *ttm);
+
+/**
+ * Output the state of pools to debugfs file
  */
-void ttm_put_pages(struct list_head *pages,
-		   unsigned page_count,
-		   int flags,
-		   enum ttm_caching_state cstate);
+extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
+
+
+#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
 /**
  * Initialize pool allocator.
  */
-int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
+int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
+
 /**
  * Free pool allocator.
  */
-void ttm_page_alloc_fini(void);
+void ttm_dma_page_alloc_fini(void);
 
 /**
  * Output the state of pools to debugfs file
  */
-extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
+extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
+
+extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+
+#else
+static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
+					  unsigned max_pages)
+{
+	return -ENODEV;
+}
+
+static inline void ttm_dma_page_alloc_fini(void) { return; }
+
+static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
+{
+	return 0;
+}
+static inline int ttm_dma_populate(struct ttm_dma_tt *ttm_dma,
+				   struct device *dev)
+{
+	return -ENOMEM;
+}
+static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
+				      struct device *dev)
+{
+}
+#endif
+
 #endif