drm/i915: Rename gen8_(un)request_engine_reset to gen8_reset_engine_start/cancel

As all other functions related to resetting engines are using
reset_engine.

v2: remove _request_ and use start/cancel instead (Chris)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170418202335.35232-3-michel.thierry@intel.comReviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/intel_uncore.c

@@ -1683,7 +1683,7 @@ int intel_wait_for_register(struct drm_i915_private *dev_priv,
 	return ret;
 }
 
-static int gen8_request_engine_reset(struct intel_engine_cs *engine)
+static int gen8_reset_engine_start(struct intel_engine_cs *engine)
 {
 	struct drm_i915_private *dev_priv = engine->i915;
 	int ret;
@@ -1702,7 +1702,7 @@ static int gen8_request_engine_reset(struct intel_engine_cs *engine)
 	return ret;
 }
 
-static void gen8_unrequest_engine_reset(struct intel_engine_cs *engine)
+static void gen8_reset_engine_cancel(struct intel_engine_cs *engine)
 {
 	struct drm_i915_private *dev_priv = engine->i915;
 
@@ -1717,14 +1717,14 @@ static int gen8_reset_engines(struct drm_i915_private *dev_priv,
 	unsigned int tmp;
 
 	for_each_engine_masked(engine, dev_priv, engine_mask, tmp)
-		if (gen8_request_engine_reset(engine))
+		if (gen8_reset_engine_start(engine))
 			goto not_ready;
 
 	return gen6_reset_engines(dev_priv, engine_mask);
 
 not_ready:
 	for_each_engine_masked(engine, dev_priv, engine_mask, tmp)
-		gen8_unrequest_engine_reset(engine);
+		gen8_reset_engine_cancel(engine);
 
 	return -EIO;
 }