[PATCH 45/60] drm/i915/gt: Wrap intel_timeline.has_initial_breadcrumb

[Chris Wilson]

In preparation for removing the has_initial_breadcrumb field, add a
helper function for the existing callers.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
 drivers/gpu/drm/i915/gt/gen8_engine_cs.c        | 2 +-
 drivers/gpu/drm/i915/gt/intel_ring_submission.c | 4 ++--
 drivers/gpu/drm/i915/gt/intel_timeline.c        | 6 +++---
 drivers/gpu/drm/i915/gt/intel_timeline.h        | 6 ++++++
 drivers/gpu/drm/i915/gt/selftest_timeline.c     | 5 +++--
 5 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
index 2e36e0a9d8a6..50ce80c97730 100644
--- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
@@ -354,7 +354,7 @@ int gen8_emit_init_breadcrumb(struct i915_request *rq)
 	u32 *cs;
 
 	GEM_BUG_ON(i915_request_has_initial_breadcrumb(rq));
-	if (!i915_request_timeline(rq)->has_initial_breadcrumb)
+	if (!intel_timeline_has_initial_breadcrumb(i915_request_timeline(rq)))
 		return 0;
 
 	cs = intel_ring_begin(rq, 6);
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index 0737a2608d0b..cab775a78912 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -981,7 +981,7 @@ static int ring_request_alloc(struct i915_request *request)
 	int ret;
 
 	GEM_BUG_ON(!intel_context_is_pinned(request->context));
-	GEM_BUG_ON(i915_request_timeline(request)->has_initial_breadcrumb);
+	GEM_BUG_ON(intel_timeline_has_initial_breadcrumb(i915_request_timeline(request)));
 
 	/*
 	 * Flush enough space to reduce the likelihood of waiting after
@@ -1306,7 +1306,7 @@ int intel_ring_submission_setup(struct intel_engine_cs *engine)
 		err = PTR_ERR(timeline);
 		goto err;
 	}
-	GEM_BUG_ON(timeline->has_initial_breadcrumb);
+	GEM_BUG_ON(intel_timeline_has_initial_breadcrumb(timeline));
 
 	err = intel_timeline_pin(timeline, NULL);
 	if (err)
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index 037b0e3ccbed..18b1bda242bd 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -445,14 +445,14 @@ void intel_timeline_exit(struct intel_timeline *tl)
 static u32 timeline_advance(struct intel_timeline *tl)
 {
 	GEM_BUG_ON(!atomic_read(&tl->pin_count));
-	GEM_BUG_ON(tl->seqno & tl->has_initial_breadcrumb);
+	GEM_BUG_ON(tl->seqno & intel_timeline_has_initial_breadcrumb(tl));
 
-	return tl->seqno += 1 + tl->has_initial_breadcrumb;
+	return tl->seqno += 1 + intel_timeline_has_initial_breadcrumb(tl);
 }
 
 static void timeline_rollback(struct intel_timeline *tl)
 {
-	tl->seqno -= 1 + tl->has_initial_breadcrumb;
+	tl->seqno -= 1 + intel_timeline_has_initial_breadcrumb(tl);
 }
 
 static noinline int
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.h b/drivers/gpu/drm/i915/gt/intel_timeline.h
index f502a619843f..0e5e9fdade5b 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.h
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.h
@@ -61,6 +61,12 @@ static inline void intel_timeline_put(struct intel_timeline *timeline)
 	kref_put(&timeline->kref, __intel_timeline_free);
 }
 
+static inline bool
+intel_timeline_has_initial_breadcrumb(const struct intel_timeline *tl)
+{
+	return tl->has_initial_breadcrumb;
+}
+
 static inline int __intel_timeline_sync_set(struct intel_timeline *tl,
 					    u64 context, u32 seqno)
 {
diff --git a/drivers/gpu/drm/i915/gt/selftest_timeline.c b/drivers/gpu/drm/i915/gt/selftest_timeline.c
index 6f3a3687ef0f..4f47a0535c91 100644
--- a/drivers/gpu/drm/i915/gt/selftest_timeline.c
+++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c
@@ -666,7 +666,7 @@ static int live_hwsp_wrap(void *arg)
 	if (IS_ERR(tl))
 		return PTR_ERR(tl);
 
-	if (!tl->has_initial_breadcrumb || !tl->hwsp_cacheline)
+	if (!intel_timeline_has_initial_breadcrumb(tl) || !tl->hwsp_cacheline)
 		goto out_free;
 
 	err = intel_timeline_pin(tl, NULL);
@@ -1235,7 +1235,8 @@ static int live_hwsp_rollover_user(void *arg)
 			goto out;
 
 		tl = ce->timeline;
-		if (!tl->has_initial_breadcrumb || !tl->hwsp_cacheline)
+		if (!intel_timeline_has_initial_breadcrumb(tl) ||
+		    !tl->hwsp_cacheline)
 			goto out;
 
 		timeline_rollback(tl);
-- 
2.20.1