drm/i915: Remove one level of indention from wait-for-execute

Now that the code is getting simpler, we can reduce the indentation when
waiting for the global_seqno.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170223074422.4125-17-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_gem_request.c

@@ -1086,10 +1086,8 @@ long i915_wait_request(struct drm_i915_gem_request *req,
 	intel_wait_init(&wait);
 
 restart:
-	if (!intel_wait_update_request(&wait, req)) {
 	do {
 		set_current_state(state);
-
 		if (intel_wait_update_request(&wait, req))
 			break;
 
@@ -1111,7 +1109,6 @@ long i915_wait_request(struct drm_i915_gem_request *req,
 	} while (1);
 
 	GEM_BUG_ON(!intel_wait_has_seqno(&wait));
-	}
 	GEM_BUG_ON(!i915_sw_fence_signaled(&req->submit));
 
 	/* Optimistic short spin before touching IRQs */