drm/i915/gt: runtime-pm is no longer required for ce->ops->pin()

Now that we have moved the runtime-pm management out of
intel_context_acctive_acquire, and that itself out of ce->ops->pin(), no
explicit runtime pm wakeref is required in intel_context_pin().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109085717.873326-3-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/gt/intel_context.c

@@ -105,13 +105,10 @@ int __intel_context_do_pin(struct intel_context *ce)
 		return -EINTR;
 
 	if (likely(!atomic_read(&ce->pin_count))) {
-		intel_wakeref_t wakeref;
-
 		err = intel_context_active_acquire(ce);
 		if (unlikely(err))
 			goto err;
 
-		with_intel_runtime_pm(ce->engine->uncore->rpm, wakeref)
 		err = ce->ops->pin(ce);
 		if (unlikely(err))
 			goto err_active;