drm/i915: s/__i915_wait_request/i915_wait_request/

There is only one wait on request function now, so drop the "expert"
indication of leading __.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470293567-10811-21-git-send-email-chris@chris-wilson.co.uk
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d54a3ea..da9dcac 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11463,9 +11463,9 @@
 	struct reservation_object *resv;
 
 	if (work->flip_queued_req)
-		WARN_ON(__i915_wait_request(work->flip_queued_req,
-					    false, NULL,
-					    NO_WAITBOOST));
+		WARN_ON(i915_wait_request(work->flip_queued_req,
+					  false, NULL,
+					  NO_WAITBOOST));
 
 	/* For framebuffer backed by dmabuf, wait for fence */
 	resv = i915_gem_object_get_dmabuf_resv(obj);
@@ -13508,8 +13508,8 @@
 			if (!intel_plane_state->wait_req)
 				continue;
 
-			ret = __i915_wait_request(intel_plane_state->wait_req,
-						  true, NULL, NULL);
+			ret = i915_wait_request(intel_plane_state->wait_req,
+						true, NULL, NULL);
 			if (ret) {
 				/* Any hang should be swallowed by the wait */
 				WARN_ON(ret == -EIO);
@@ -13621,8 +13621,8 @@
 		if (!intel_plane_state->wait_req)
 			continue;
 
-		ret = __i915_wait_request(intel_plane_state->wait_req,
-					  true, NULL, NULL);
+		ret = i915_wait_request(intel_plane_state->wait_req,
+					true, NULL, NULL);
 		/* EIO should be eaten, and we can't get interrupted in the
 		 * worker, and blocking commits have waited already. */
 		WARN_ON(ret);