Merge branch 'drm-next-4.10' of git://people.freedesktop.org/~agd5f/linux into drm-next

First new feature pull for 4.10.  Highlights:
- Support for multple virtual displays in the virtual dce component
- New VM mgr to support non-contiguous vram buffers
- Support for UVD powergating on additional asics
- Power management improvements
- lots of code cleanup and bug fixes

* 'drm-next-4.10' of git://people.freedesktop.org/~agd5f/linux: (107 commits)
  drm/amdgpu: turn on/off uvd clock when dpm enable/disable on CI
  drm/amdgpu: disable dpm before turn off clock when vce idle.
  drm/amdgpu: enable uvd bypass mode for CI/VI.
  drm/amdgpu: just not load smc firmware if smu is already running
  drm/amdgpu: when suspend, set boot state instand of disable dpm.
  drm/amdgpu: use failed label to handle context init failure
  drm/amdgpu: add amdgpu_ttm_bo_eviction_valuable callback
  drm/ttm: make eviction decision a driver callback v2
  drm/ttm: fix coding style in ttm_bo_driver.h
  drm/radeon/pm: autoswitch power state when in balanced mode
  drm/amd/powerplay: fix spelling mistake and add KERN_WARNING to printks
  drm/amdgpu:new ids flag for preempt
  drm/amdgpu: mark symbols static where possible
  drm/amdgpu: change function declarations and add missing header dependencies
  drm/amdgpu: s/amdgpuCrtc/amdgpu_crtc/ in pageflip code
  drm/amdgpu/atom: remove a bunch of unused functions
  drm/amdgpu: consolidate atom scratch reg handling for hangs
  drm/amdgpu: use amdgpu_bo_[create|free]_kernel for wb
  drm/amdgpu: add VCE VM session tracking
  drm/amdgpu: improve parse_cs handling a bit
  ...

2 files changed, 41 insertions, 14 deletions

diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 9eb940d6755f..bb6a3357a817 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -47,6 +47,8 @@ struct drm_mm_node;
 
 struct ttm_placement;
 
+struct ttm_place;
+
 /**
  * struct ttm_bus_placement
  *
@@ -396,6 +398,17 @@ extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev,
 					    int resched);
 
 /**
+ * ttm_bo_eviction_valuable
+ *
+ * @bo: The buffer object to evict
+ * @place: the placement we need to make room for
+ *
+ * Check if it is valuable to evict the BO to make room for the given placement.
+ */
+bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
+			      const struct ttm_place *place);
+
+/**
  * ttm_bo_synccpu_write_grab
  *
  * @bo: The buffer object:
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 4f0a92185995..d3d83dfe89e2 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -371,9 +371,21 @@ struct ttm_bo_driver {
 	 * submission as a consequence.
 	 */
 
-	int (*invalidate_caches) (struct ttm_bo_device *bdev, uint32_t flags);
-	int (*init_mem_type) (struct ttm_bo_device *bdev, uint32_t type,
-			      struct ttm_mem_type_manager *man);
+	int (*invalidate_caches)(struct ttm_bo_device *bdev, uint32_t flags);
+	int (*init_mem_type)(struct ttm_bo_device *bdev, uint32_t type,
+			     struct ttm_mem_type_manager *man);
+
+	/**
+	 * struct ttm_bo_driver member eviction_valuable
+	 *
+	 * @bo: the buffer object to be evicted
+	 * @place: placement we need room for
+	 *
+	 * Check with the driver if it is valuable to evict a BO to make room
+	 * for a certain placement.
+	 */
+	bool (*eviction_valuable)(struct ttm_buffer_object *bo,
+				  const struct ttm_place *place);
 	/**
 	 * struct ttm_bo_driver member evict_flags:
 	 *
@@ -384,8 +396,9 @@ struct ttm_bo_driver {
 	 * finished, they'll end up in bo->mem.flags
 	 */
 
-	 void(*evict_flags) (struct ttm_buffer_object *bo,
-				struct ttm_placement *placement);
+	void (*evict_flags)(struct ttm_buffer_object *bo,
+			    struct ttm_placement *placement);
+
 	/**
 	 * struct ttm_bo_driver member move:
 	 *
@@ -399,10 +412,9 @@ struct ttm_bo_driver {
 	 *
 	 * Move a buffer between two memory regions.
 	 */
-	int (*move) (struct ttm_buffer_object *bo,
-		     bool evict, bool interruptible,
-		     bool no_wait_gpu,
-		     struct ttm_mem_reg *new_mem);
+	int (*move)(struct ttm_buffer_object *bo, bool evict,
+		    bool interruptible, bool no_wait_gpu,
+		    struct ttm_mem_reg *new_mem);
 
 	/**
 	 * struct ttm_bo_driver_member verify_access
@@ -416,8 +428,8 @@ struct ttm_bo_driver {
 	 * access for all buffer objects.
 	 * This function should return 0 if access is granted, -EPERM otherwise.
 	 */
-	int (*verify_access) (struct ttm_buffer_object *bo,
-			      struct file *filp);
+	int (*verify_access)(struct ttm_buffer_object *bo,
+			     struct file *filp);
 
 	/* hook to notify driver about a driver move so it
 	 * can do tiling things */
@@ -430,7 +442,7 @@ struct ttm_bo_driver {
 	/**
 	 * notify the driver that we're about to swap out this bo
 	 */
-	void (*swap_notify) (struct ttm_buffer_object *bo);
+	void (*swap_notify)(struct ttm_buffer_object *bo);
 
 	/**
 	 * Driver callback on when mapping io memory (for bo_move_memcpy
@@ -438,8 +450,10 @@ struct ttm_bo_driver {
 	 * the mapping is not use anymore. io_mem_reserve & io_mem_free
 	 * are balanced.
 	 */
-	int (*io_mem_reserve)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
-	void (*io_mem_free)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
+	int (*io_mem_reserve)(struct ttm_bo_device *bdev,
+			      struct ttm_mem_reg *mem);
+	void (*io_mem_free)(struct ttm_bo_device *bdev,
+			    struct ttm_mem_reg *mem);
 
 	/**
 	 * Optional driver callback for when BO is removed from the LRU.