[PATCH 23/27] drm/i915: Wrap i915_request_use_semaphores()

[Chris Wilson]

Wrap the query on whether the backend engine supports us emitting
semaphores to coordinate multiple requests.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_request.c | 2 +-
 drivers/gpu/drm/i915/i915_request.h | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index f24f0dc6d907..c84329532ee2 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1219,7 +1219,7 @@ __i915_request_await_execution(struct i915_request *to,
 	 * immediate execution, and so we must wait until it reaches the
 	 * active slot.
 	 */
-	if (intel_engine_has_semaphores(to->engine) &&
+	if (i915_request_use_semaphores(to) &&
 	    !i915_request_has_initial_breadcrumb(to)) {
 		err = __emit_semaphore_wait(to, from, from->fence.seqno - 1);
 		if (err < 0)
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h
index 033e0ebea246..78a9aaaf7bf1 100644
--- a/drivers/gpu/drm/i915/i915_request.h
+++ b/drivers/gpu/drm/i915/i915_request.h
@@ -618,4 +618,10 @@ i915_request_active_timeline(const struct i915_request *rq)
 					 lockdep_is_held(&rq->engine->sched.lock));
 }
 
+static inline bool
+i915_request_use_semaphores(const struct i915_request *rq)
+{
+	return intel_engine_has_semaphores(rq->engine);
+}
+
 #endif /* I915_REQUEST_H */
-- 
2.20.1