[Intel-gfx] [PATCH 14/38] drm/i915: Move i915_gem_object_wait_rendering()

[Chris Wilson]

Just move it earlier so that we can use the companion nonblocking
version in a couple of more callsites without having to add a forward
declaration.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c | 182 ++++++++++++++++++++--------------------
 1 file changed, 91 insertions(+), 91 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a8279a598c4b..93a874b0ba14 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -278,6 +278,97 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
 	return ret;
 }
 
+/**
+ * Ensures that all rendering to the object has completed and the object is
+ * safe to unbind from the GTT or access from the CPU.
+ */
+int
+i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
+			       bool readonly)
+{
+	struct i915_gem_active *active;
+	unsigned long active_mask;
+	int idx;
+
+	lockdep_assert_held(&obj->base.dev->struct_mutex);
+
+	active_mask = i915_gem_object_is_active(obj);
+	if (!active_mask)
+		return 0;
+
+	if (!readonly) {
+		active = obj->last_read;
+	} else {
+		active_mask = 1;
+		active = &obj->last_write;
+	}
+
+	for_each_active(active_mask, idx) {
+		int ret = i915_gem_active_wait(&active[idx],
+					       &obj->base.dev->struct_mutex);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+/* A nonblocking variant of the above wait. This is a highly dangerous routine
+ * as the object state may change during this call.
+ */
+static __must_check int
+i915_gem_object_wait_rendering__nonblocking(struct drm_i915_gem_object *obj,
+					    struct intel_rps_client *rps,
+					    bool readonly)
+{
+	struct drm_device *dev = obj->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_gem_request *requests[I915_NUM_ENGINES];
+	struct i915_gem_active *active;
+	unsigned long active_mask;
+	int ret, i, n = 0;
+
+	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
+	BUG_ON(!dev_priv->mm.interruptible);
+
+	active_mask = i915_gem_object_is_active(obj);
+	if (!active_mask)
+		return 0;
+
+	if (!readonly) {
+		active = obj->last_read;
+	} else {
+		active_mask = 1;
+		active = &obj->last_write;
+	}
+
+	for_each_active(active_mask, i) {
+		struct drm_i915_gem_request *req;
+
+		req = i915_gem_active_get(&active[i],
+					  &obj->base.dev->struct_mutex);
+		if (req)
+			requests[n++] = req;
+	}
+
+	mutex_unlock(&dev->struct_mutex);
+	ret = 0;
+	for (i = 0; ret == 0 && i < n; i++)
+		ret = __i915_wait_request(requests[i], true, NULL, rps);
+	mutex_lock(&dev->struct_mutex);
+
+	for (i = 0; i < n; i++)
+		i915_gem_request_put(requests[i]);
+
+	return ret;
+}
+
+static struct intel_rps_client *to_rps_client(struct drm_file *file)
+{
+	struct drm_i915_file_private *fpriv = file->driver_priv;
+	return &fpriv->rps;
+}
+
 int
 i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
 			    int align)
@@ -1113,97 +1204,6 @@ put_rpm:
 }
 
 /**
- * Ensures that all rendering to the object has completed and the object is
- * safe to unbind from the GTT or access from the CPU.
- */
-int
-i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
-			       bool readonly)
-{
-	struct i915_gem_active *active;
-	unsigned long active_mask;
-	int idx;
-
-	lockdep_assert_held(&obj->base.dev->struct_mutex);
-
-	active_mask = i915_gem_object_is_active(obj);
-	if (!active_mask)
-		return 0;
-
-	if (!readonly) {
-		active = obj->last_read;
-	} else {
-		active_mask = 1;
-		active = &obj->last_write;
-	}
-
-	for_each_active(active_mask, idx) {
-		int ret = i915_gem_active_wait(&active[idx],
-					       &obj->base.dev->struct_mutex);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-
-/* A nonblocking variant of the above wait. This is a highly dangerous routine
- * as the object state may change during this call.
- */
-static __must_check int
-i915_gem_object_wait_rendering__nonblocking(struct drm_i915_gem_object *obj,
-					    struct intel_rps_client *rps,
-					    bool readonly)
-{
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_i915_gem_request *requests[I915_NUM_ENGINES];
-	struct i915_gem_active *active;
-	unsigned long active_mask;
-	int ret, i, n = 0;
-
-	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
-	BUG_ON(!dev_priv->mm.interruptible);
-
-	active_mask = i915_gem_object_is_active(obj);
-	if (!active_mask)
-		return 0;
-
-	if (!readonly) {
-		active = obj->last_read;
-	} else {
-		active_mask = 1;
-		active = &obj->last_write;
-	}
-
-	for_each_active(active_mask, i) {
-		struct drm_i915_gem_request *req;
-
-		req = i915_gem_active_get(&active[i],
-					  &obj->base.dev->struct_mutex);
-		if (req)
-			requests[n++] = req;
-	}
-
-	mutex_unlock(&dev->struct_mutex);
-	ret = 0;
-	for (i = 0; ret == 0 && i < n; i++)
-		ret = __i915_wait_request(requests[i], true, NULL, rps);
-	mutex_lock(&dev->struct_mutex);
-
-	for (i = 0; i < n; i++)
-		i915_gem_request_put(requests[i]);
-
-	return ret;
-}
-
-static struct intel_rps_client *to_rps_client(struct drm_file *file)
-{
-	struct drm_i915_file_private *fpriv = file->driver_priv;
-	return &fpriv->rps;
-}
-
-/**
  * Called when user space prepares to use an object with the CPU, either
  * through the mmap ioctl's mapping or a GTT mapping.
  */
-- 
2.8.1