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/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
index bc19980..26ca697 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.h
+++ b/drivers/gpu/drm/i915/i915_gem_request.h
@@ -214,10 +214,10 @@
 #define IS_RPS_CLIENT(p) (!IS_ERR(p))
 #define IS_RPS_USER(p) (!IS_ERR_OR_NULL(p))
 
-int __i915_wait_request(struct drm_i915_gem_request *req,
-			bool interruptible,
-			s64 *timeout,
-			struct intel_rps_client *rps)
+int i915_wait_request(struct drm_i915_gem_request *req,
+		      bool interruptible,
+		      s64 *timeout,
+		      struct intel_rps_client *rps)
 	__attribute__((nonnull(1)));
 
 static inline u32 intel_engine_get_seqno(struct intel_engine_cs *engine);
@@ -418,7 +418,7 @@
 	if (!request)
 		return 0;
 
-	return __i915_wait_request(request, true, NULL, NULL);
+	return i915_wait_request(request, true, NULL, NULL);
 }
 
 /**
@@ -441,7 +441,7 @@
 	if (!request)
 		return 0;
 
-	ret = __i915_wait_request(request, true, NULL, NULL);
+	ret = i915_wait_request(request, true, NULL, NULL);
 	if (ret)
 		return ret;