Merge airlied/drm-next into drm-misc-next

Just catching up with upstream.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

6 files changed, 211 insertions, 69 deletions

diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 49b292e98fec..8d10fc97801c 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -172,7 +172,7 @@ struct drm_mm {
 	 * according to the (increasing) start address of the memory node. */
 	struct drm_mm_node head_node;
 	/* Keep an interval_tree for fast lookup of drm_mm_nodes by address. */
-	struct rb_root interval_tree;
+	struct rb_root_cached interval_tree;
 	struct rb_root holes_size;
 	struct rb_root holes_addr;
 
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index 89976da542b1..c00fee539822 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -28,6 +28,8 @@
 
 #include "linux/dma-fence.h"
 
+struct drm_syncobj_cb;
+
 /**
  * struct drm_syncobj - sync object.
  *
@@ -43,15 +45,47 @@ struct drm_syncobj {
 	/**
 	 * @fence:
 	 * NULL or a pointer to the fence bound to this object.
+	 *
+	 * This field should not be used directly.  Use drm_syncobj_fence_get
+	 * and drm_syncobj_replace_fence instead.
 	 */
 	struct dma_fence *fence;
 	/**
+	 * @cb_list:
+	 * List of callbacks to call when the fence gets replaced
+	 */
+	struct list_head cb_list;
+	/**
+	 * @lock:
+	 * locks cb_list and write-locks fence.
+	 */
+	spinlock_t lock;
+	/**
 	 * @file:
 	 * a file backing for this syncobj.
 	 */
 	struct file *file;
 };
 
+typedef void (*drm_syncobj_func_t)(struct drm_syncobj *syncobj,
+				   struct drm_syncobj_cb *cb);
+
+/**
+ * struct drm_syncobj_cb - callback for drm_syncobj_add_callback
+ * @node: used by drm_syncob_add_callback to append this struct to
+ *	  syncobj::cb_list
+ * @func: drm_syncobj_func_t to call
+ *
+ * This struct will be initialized by drm_syncobj_add_callback, additional
+ * data can be passed along by embedding drm_syncobj_cb in another struct.
+ * The callback will get called the next time drm_syncobj_replace_fence is
+ * called.
+ */
+struct drm_syncobj_cb {
+	struct list_head node;
+	drm_syncobj_func_t func;
+};
+
 void drm_syncobj_free(struct kref *kref);
 
 /**
@@ -77,13 +111,30 @@ drm_syncobj_put(struct drm_syncobj *obj)
 	kref_put(&obj->refcount, drm_syncobj_free);
 }
 
+static inline struct dma_fence *
+drm_syncobj_fence_get(struct drm_syncobj *syncobj)
+{
+	struct dma_fence *fence;
+
+	rcu_read_lock();
+	fence = dma_fence_get_rcu_safe(&syncobj->fence);
+	rcu_read_unlock();
+
+	return fence;
+}
+
 struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private,
 				     u32 handle);
+void drm_syncobj_add_callback(struct drm_syncobj *syncobj,
+			      struct drm_syncobj_cb *cb,
+			      drm_syncobj_func_t func);
+void drm_syncobj_remove_callback(struct drm_syncobj *syncobj,
+				 struct drm_syncobj_cb *cb);
 void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
 			       struct dma_fence *fence);
-int drm_syncobj_fence_get(struct drm_file *file_private,
-			  u32 handle,
-			  struct dma_fence **fence);
+int drm_syncobj_find_fence(struct drm_file *file_private,
+			   u32 handle,
+			   struct dma_fence **fence);
 void drm_syncobj_free(struct kref *kref);
 
 #endif
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 34c8f5600ce0..1257e15c1a03 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -118,92 +118,125 @@
 #define INTEL_IRONLAKE_M_IDS(info) \
 	INTEL_VGA_DEVICE(0x0046, info)
 
-#define INTEL_SNB_D_IDS(info) \
+#define INTEL_SNB_D_GT1_IDS(info) \
 	INTEL_VGA_DEVICE(0x0102, info), \
-	INTEL_VGA_DEVICE(0x0112, info), \
-	INTEL_VGA_DEVICE(0x0122, info), \
 	INTEL_VGA_DEVICE(0x010A, info)
 
-#define INTEL_SNB_M_IDS(info) \
-	INTEL_VGA_DEVICE(0x0106, info), \
+#define INTEL_SNB_D_GT2_IDS(info) \
+	INTEL_VGA_DEVICE(0x0112, info), \
+	INTEL_VGA_DEVICE(0x0122, info)
+
+#define INTEL_SNB_D_IDS(info) \
+	INTEL_SNB_D_GT1_IDS(info), \
+	INTEL_SNB_D_GT2_IDS(info)
+
+#define INTEL_SNB_M_GT1_IDS(info) \
+	INTEL_VGA_DEVICE(0x0106, info)
+
+#define INTEL_SNB_M_GT2_IDS(info) \
 	INTEL_VGA_DEVICE(0x0116, info), \
 	INTEL_VGA_DEVICE(0x0126, info)
 
+#define INTEL_SNB_M_IDS(info) \
+	INTEL_SNB_M_GT1_IDS(info), \
+	INTEL_SNB_M_GT2_IDS(info)
+
+#define INTEL_IVB_M_GT1_IDS(info) \
+	INTEL_VGA_DEVICE(0x0156, info) /* GT1 mobile */
+
+#define INTEL_IVB_M_GT2_IDS(info) \
+	INTEL_VGA_DEVICE(0x0166, info) /* GT2 mobile */
+
 #define INTEL_IVB_M_IDS(info) \
-	INTEL_VGA_DEVICE(0x0156, info), /* GT1 mobile */ \
-	INTEL_VGA_DEVICE(0x0166, info)  /* GT2 mobile */
+	INTEL_IVB_M_GT1_IDS(info), \
+	INTEL_IVB_M_GT2_IDS(info)
 
-#define INTEL_IVB_D_IDS(info) \
+#define INTEL_IVB_D_GT1_IDS(info) \
 	INTEL_VGA_DEVICE(0x0152, info), /* GT1 desktop */ \
+	INTEL_VGA_DEVICE(0x015a, info)  /* GT1 server */
+
+#define INTEL_IVB_D_GT2_IDS(info) \
 	INTEL_VGA_DEVICE(0x0162, info), /* GT2 desktop */ \
-	INTEL_VGA_DEVICE(0x015a, info), /* GT1 server */ \
 	INTEL_VGA_DEVICE(0x016a, info)  /* GT2 server */
 
+#define INTEL_IVB_D_IDS(info) \
+	INTEL_IVB_D_GT1_IDS(info), \
+	INTEL_IVB_D_GT2_IDS(info)
+
 #define INTEL_IVB_Q_IDS(info) \
 	INTEL_QUANTA_VGA_DEVICE(info) /* Quanta transcode */
 
-#define INTEL_HSW_IDS(info) \
+#define INTEL_HSW_GT1_IDS(info) \
 	INTEL_VGA_DEVICE(0x0402, info), /* GT1 desktop */ \
-	INTEL_VGA_DEVICE(0x0412, info), /* GT2 desktop */ \
-	INTEL_VGA_DEVICE(0x0422, info), /* GT3 desktop */ \
 	INTEL_VGA_DEVICE(0x040a, info), /* GT1 server */ \
-	INTEL_VGA_DEVICE(0x041a, info), /* GT2 server */ \
-	INTEL_VGA_DEVICE(0x042a, info), /* GT3 server */ \
 	INTEL_VGA_DEVICE(0x040B, info), /* GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x041B, info), /* GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x042B, info), /* GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x040E, info), /* GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x041E, info), /* GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x042E, info), /* GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0C02, info), /* SDV GT1 desktop */ \
-	INTEL_VGA_DEVICE(0x0C12, info), /* SDV GT2 desktop */ \
-	INTEL_VGA_DEVICE(0x0C22, info), /* SDV GT3 desktop */ \
 	INTEL_VGA_DEVICE(0x0C0A, info), /* SDV GT1 server */ \
-	INTEL_VGA_DEVICE(0x0C1A, info), /* SDV GT2 server */ \
-	INTEL_VGA_DEVICE(0x0C2A, info), /* SDV GT3 server */ \
 	INTEL_VGA_DEVICE(0x0C0B, info), /* SDV GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x0C1B, info), /* SDV GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x0C2B, info), /* SDV GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0C0E, info), /* SDV GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x0C1E, info), /* SDV GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x0C2E, info), /* SDV GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0A02, info), /* ULT GT1 desktop */ \
-	INTEL_VGA_DEVICE(0x0A12, info), /* ULT GT2 desktop */ \
-	INTEL_VGA_DEVICE(0x0A22, info), /* ULT GT3 desktop */ \
 	INTEL_VGA_DEVICE(0x0A0A, info), /* ULT GT1 server */ \
-	INTEL_VGA_DEVICE(0x0A1A, info), /* ULT GT2 server */ \
-	INTEL_VGA_DEVICE(0x0A2A, info), /* ULT GT3 server */ \
 	INTEL_VGA_DEVICE(0x0A0B, info), /* ULT GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x0A1B, info), /* ULT GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x0A2B, info), /* ULT GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0D02, info), /* CRW GT1 desktop */ \
-	INTEL_VGA_DEVICE(0x0D12, info), /* CRW GT2 desktop */ \
-	INTEL_VGA_DEVICE(0x0D22, info), /* CRW GT3 desktop */ \
 	INTEL_VGA_DEVICE(0x0D0A, info), /* CRW GT1 server */ \
-	INTEL_VGA_DEVICE(0x0D1A, info), /* CRW GT2 server */ \
-	INTEL_VGA_DEVICE(0x0D2A, info), /* CRW GT3 server */ \
 	INTEL_VGA_DEVICE(0x0D0B, info), /* CRW GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x0D1B, info), /* CRW GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x0D2B, info), /* CRW GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0D0E, info), /* CRW GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x0D1E, info), /* CRW GT2 reserved */ \
-	INTEL_VGA_DEVICE(0x0D2E, info),  /* CRW GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0406, info), /* GT1 mobile */ \
+	INTEL_VGA_DEVICE(0x0C06, info), /* SDV GT1 mobile */ \
+	INTEL_VGA_DEVICE(0x0A06, info), /* ULT GT1 mobile */ \
+	INTEL_VGA_DEVICE(0x0A0E, info), /* ULX GT1 mobile */ \
+	INTEL_VGA_DEVICE(0x0D06, info)  /* CRW GT1 mobile */
+
+#define INTEL_HSW_GT2_IDS(info) \
+	INTEL_VGA_DEVICE(0x0412, info), /* GT2 desktop */ \
+	INTEL_VGA_DEVICE(0x041a, info), /* GT2 server */ \
+	INTEL_VGA_DEVICE(0x041B, info), /* GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x041E, info), /* GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x0C12, info), /* SDV GT2 desktop */ \
+	INTEL_VGA_DEVICE(0x0C1A, info), /* SDV GT2 server */ \
+	INTEL_VGA_DEVICE(0x0C1B, info), /* SDV GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x0C1E, info), /* SDV GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x0A12, info), /* ULT GT2 desktop */ \
+	INTEL_VGA_DEVICE(0x0A1A, info), /* ULT GT2 server */ \
+	INTEL_VGA_DEVICE(0x0A1B, info), /* ULT GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x0D12, info), /* CRW GT2 desktop */ \
+	INTEL_VGA_DEVICE(0x0D1A, info), /* CRW GT2 server */ \
+	INTEL_VGA_DEVICE(0x0D1B, info), /* CRW GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x0D1E, info), /* CRW GT2 reserved */ \
 	INTEL_VGA_DEVICE(0x0416, info), /* GT2 mobile */ \
 	INTEL_VGA_DEVICE(0x0426, info), /* GT2 mobile */ \
-	INTEL_VGA_DEVICE(0x0C06, info), /* SDV GT1 mobile */ \
 	INTEL_VGA_DEVICE(0x0C16, info), /* SDV GT2 mobile */ \
-	INTEL_VGA_DEVICE(0x0C26, info), /* SDV GT3 mobile */ \
-	INTEL_VGA_DEVICE(0x0A06, info), /* ULT GT1 mobile */ \
 	INTEL_VGA_DEVICE(0x0A16, info), /* ULT GT2 mobile */ \
-	INTEL_VGA_DEVICE(0x0A26, info), /* ULT GT3 mobile */ \
-	INTEL_VGA_DEVICE(0x0A0E, info), /* ULX GT1 mobile */ \
 	INTEL_VGA_DEVICE(0x0A1E, info), /* ULX GT2 mobile */ \
+	INTEL_VGA_DEVICE(0x0D16, info)  /* CRW GT2 mobile */
+
+#define INTEL_HSW_GT3_IDS(info) \
+	INTEL_VGA_DEVICE(0x0422, info), /* GT3 desktop */ \
+	INTEL_VGA_DEVICE(0x042a, info), /* GT3 server */ \
+	INTEL_VGA_DEVICE(0x042B, info), /* GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x042E, info), /* GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x0C22, info), /* SDV GT3 desktop */ \
+	INTEL_VGA_DEVICE(0x0C2A, info), /* SDV GT3 server */ \
+	INTEL_VGA_DEVICE(0x0C2B, info), /* SDV GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x0C2E, info), /* SDV GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x0A22, info), /* ULT GT3 desktop */ \
+	INTEL_VGA_DEVICE(0x0A2A, info), /* ULT GT3 server */ \
+	INTEL_VGA_DEVICE(0x0A2B, info), /* ULT GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x0D22, info), /* CRW GT3 desktop */ \
+	INTEL_VGA_DEVICE(0x0D2A, info), /* CRW GT3 server */ \
+	INTEL_VGA_DEVICE(0x0D2B, info), /* CRW GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x0D2E, info), /* CRW GT3 reserved */ \
+	INTEL_VGA_DEVICE(0x0C26, info), /* SDV GT3 mobile */ \
+	INTEL_VGA_DEVICE(0x0A26, info), /* ULT GT3 mobile */ \
 	INTEL_VGA_DEVICE(0x0A2E, info), /* ULT GT3 reserved */ \
-	INTEL_VGA_DEVICE(0x0D06, info), /* CRW GT1 mobile */ \
-	INTEL_VGA_DEVICE(0x0D16, info), /* CRW GT2 mobile */ \
 	INTEL_VGA_DEVICE(0x0D26, info)  /* CRW GT3 mobile */
 
+#define INTEL_HSW_IDS(info) \
+	INTEL_HSW_GT1_IDS(info), \
+	INTEL_HSW_GT2_IDS(info), \
+	INTEL_HSW_GT3_IDS(info)
+
 #define INTEL_VLV_IDS(info) \
 	INTEL_VGA_DEVICE(0x0f30, info), \
 	INTEL_VGA_DEVICE(0x0f31, info), \
@@ -212,17 +245,19 @@
 	INTEL_VGA_DEVICE(0x0157, info), \
 	INTEL_VGA_DEVICE(0x0155, info)
 
-#define INTEL_BDW_GT12_IDS(info)  \
+#define INTEL_BDW_GT1_IDS(info)  \
 	INTEL_VGA_DEVICE(0x1602, info), /* GT1 ULT */ \
 	INTEL_VGA_DEVICE(0x1606, info), /* GT1 ULT */ \
 	INTEL_VGA_DEVICE(0x160B, info), /* GT1 Iris */ \
 	INTEL_VGA_DEVICE(0x160E, info), /* GT1 ULX */ \
-	INTEL_VGA_DEVICE(0x1612, info), /* GT2 Halo */ \
+	INTEL_VGA_DEVICE(0x160A, info), /* GT1 Server */ \
+	INTEL_VGA_DEVICE(0x160D, info)  /* GT1 Workstation */
+
+#define INTEL_BDW_GT2_IDS(info)  \
+	INTEL_VGA_DEVICE(0x1612, info), /* GT2 Halo */	\
 	INTEL_VGA_DEVICE(0x1616, info), /* GT2 ULT */ \
 	INTEL_VGA_DEVICE(0x161B, info), /* GT2 ULT */ \
-	INTEL_VGA_DEVICE(0x161E, info),  /* GT2 ULX */ \
-	INTEL_VGA_DEVICE(0x160A, info), /* GT1 Server */ \
-	INTEL_VGA_DEVICE(0x160D, info), /* GT1 Workstation */ \
+	INTEL_VGA_DEVICE(0x161E, info), /* GT2 ULX */ \
 	INTEL_VGA_DEVICE(0x161A, info), /* GT2 Server */ \
 	INTEL_VGA_DEVICE(0x161D, info)  /* GT2 Workstation */
 
@@ -243,7 +278,8 @@
 	INTEL_VGA_DEVICE(0x163D, info)  /* Workstation */
 
 #define INTEL_BDW_IDS(info) \
-	INTEL_BDW_GT12_IDS(info), \
+	INTEL_BDW_GT1_IDS(info), \
+	INTEL_BDW_GT2_IDS(info), \
 	INTEL_BDW_GT3_IDS(info), \
 	INTEL_BDW_RSVD_IDS(info)
 
@@ -335,20 +371,22 @@
 	INTEL_KBL_GT4_IDS(info)
 
 /* CFL S */
-#define INTEL_CFL_S_IDS(info) \
+#define INTEL_CFL_S_GT1_IDS(info) \
 	INTEL_VGA_DEVICE(0x3E90, info), /* SRV GT1 */ \
-	INTEL_VGA_DEVICE(0x3E93, info), /* SRV GT1 */ \
+	INTEL_VGA_DEVICE(0x3E93, info)  /* SRV GT1 */
+
+#define INTEL_CFL_S_GT2_IDS(info) \
 	INTEL_VGA_DEVICE(0x3E91, info), /* SRV GT2 */ \
 	INTEL_VGA_DEVICE(0x3E92, info), /* SRV GT2 */ \
 	INTEL_VGA_DEVICE(0x3E96, info)  /* SRV GT2 */
 
 /* CFL H */
-#define INTEL_CFL_H_IDS(info) \
+#define INTEL_CFL_H_GT2_IDS(info) \
 	INTEL_VGA_DEVICE(0x3E9B, info), /* Halo GT2 */ \
 	INTEL_VGA_DEVICE(0x3E94, info)  /* Halo GT2 */
 
 /* CFL U */
-#define INTEL_CFL_U_IDS(info) \
+#define INTEL_CFL_U_GT3_IDS(info) \
 	INTEL_VGA_DEVICE(0x3EA6, info), /* ULT GT3 */ \
 	INTEL_VGA_DEVICE(0x3EA7, info), /* ULT GT3 */ \
 	INTEL_VGA_DEVICE(0x3EA8, info), /* ULT GT3 */ \
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index d30850e07936..5f821a9b3a1f 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -229,13 +229,14 @@ struct ttm_mem_type_manager_func {
 	 * struct ttm_mem_type_manager member debug
 	 *
 	 * @man: Pointer to a memory type manager.
-	 * @prefix: Prefix to be used in printout to identify the caller.
+	 * @printer: Prefix to be used in printout to identify the caller.
 	 *
 	 * This function is called to print out the state of the memory
 	 * type manager to aid debugging of out-of-memory conditions.
 	 * It may not be called from within atomic context.
 	 */
-	void (*debug)(struct ttm_mem_type_manager *man, const char *prefix);
+	void (*debug)(struct ttm_mem_type_manager *man,
+		      struct drm_printer *printer);
 };
 
 /**
diff --git a/include/drm/ttm/ttm_debug.h b/include/drm/ttm/ttm_debug.h
new file mode 100644
index 000000000000..b5e460fa5086
--- /dev/null
+++ b/include/drm/ttm/ttm_debug.h
@@ -0,0 +1,31 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Authors: Tom St Denis <tom.stdenis@amd.com>
+ */
+extern void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt);
+extern void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt);
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 49a828425fa2..38a2b4770c35 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -47,7 +47,7 @@ void ttm_page_alloc_fini(void);
  *
  * Add backing pages to all of @ttm
  */
-extern int ttm_pool_populate(struct ttm_tt *ttm);
+int ttm_pool_populate(struct ttm_tt *ttm);
 
 /**
  * ttm_pool_unpopulate:
@@ -56,12 +56,12 @@ extern int ttm_pool_populate(struct ttm_tt *ttm);
  *
  * Free all pages of @ttm
  */
-extern void ttm_pool_unpopulate(struct ttm_tt *ttm);
+void ttm_pool_unpopulate(struct ttm_tt *ttm);
 
 /**
  * Output the state of pools to debugfs file
  */
-extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
+int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
 
 
 #if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
@@ -78,10 +78,21 @@ void ttm_dma_page_alloc_fini(void);
 /**
  * Output the state of pools to debugfs file
  */
-extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
+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);
+int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+
+
+/**
+ * Populates and DMA maps pages to fullfil a ttm_dma_populate() request
+ */
+int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt);
+
+/**
+ * Unpopulates and DMA unmaps pages as part of a
+ * ttm_dma_unpopulate() request */
+void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt);
 
 #else
 static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
@@ -105,6 +116,16 @@ static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
 				      struct device *dev)
 {
 }
+
+static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+	return -ENOMEM;
+}
+
+static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+}
+
 #endif
 
 #endif