[PATCH 15/58] 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 | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 459f727b03cd..e7b4c4bc41a6 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1141,7 +1141,7 @@ __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 8322f308b906..8d9e59e3cdcb 100644
--- a/drivers/gpu/drm/i915/i915_request.h
+++ b/drivers/gpu/drm/i915/i915_request.h
@@ -637,4 +637,9 @@ static inline bool i915_request_is_executing(const struct i915_request *rq)
 	return i915_request_get_scheduler(rq)->is_executing(rq);
 }
 
+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