[PATCH 3/5] drm/i915: Make wait_for_timelines take struct intel_gt

[Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>]

From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Timelines live in struct intel_gt so make wait_for_timelines take
exactly what it needs.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 272e008c55ef..9a567205e32a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -906,21 +906,20 @@ static int wait_for_engines(struct intel_gt *gt)
 }
 
 static long
-wait_for_timelines(struct drm_i915_private *i915,
-		   unsigned int flags, long timeout)
+wait_for_timelines(struct intel_gt *gt, unsigned int flags, long timeout)
 {
-	struct intel_gt_timelines *gt = &i915->gt.timelines;
+	struct intel_gt_timelines *timelines = &gt->timelines;
 	struct intel_timeline *tl;
 
-	mutex_lock(&gt->mutex);
-	list_for_each_entry(tl, &gt->active_list, link) {
+	mutex_lock(&timelines->mutex);
+	list_for_each_entry(tl, &timelines->active_list, link) {
 		struct i915_request *rq;
 
 		rq = i915_active_request_get_unlocked(&tl->last_request);
 		if (!rq)
 			continue;
 
-		mutex_unlock(&gt->mutex);
+		mutex_unlock(&timelines->mutex);
 
 		/*
 		 * "Race-to-idle".
@@ -940,10 +939,10 @@ wait_for_timelines(struct drm_i915_private *i915,
 			return timeout;
 
 		/* restart after reacquiring the lock */
-		mutex_lock(&gt->mutex);
-		tl = list_entry(&gt->active_list, typeof(*tl), link);
+		mutex_lock(&timelines->mutex);
+		tl = list_entry(&timelines->active_list, typeof(*tl), link);
 	}
-	mutex_unlock(&gt->mutex);
+	mutex_unlock(&timelines->mutex);
 
 	return timeout;
 }
@@ -951,16 +950,18 @@ wait_for_timelines(struct drm_i915_private *i915,
 int i915_gem_wait_for_idle(struct drm_i915_private *i915,
 			   unsigned int flags, long timeout)
 {
+	struct intel_gt *gt = &i915->gt;
+
 	/* If the device is asleep, we have no requests outstanding */
-	if (!READ_ONCE(i915->gt.awake))
+	if (!READ_ONCE(gt->awake))
 		return 0;
 
 	GEM_TRACE("flags=%x (%s), timeout=%ld%s, awake?=%s\n",
 		  flags, flags & I915_WAIT_LOCKED ? "locked" : "unlocked",
 		  timeout, timeout == MAX_SCHEDULE_TIMEOUT ? " (forever)" : "",
-		  yesno(i915->gt.awake));
+		  yesno(gt->awake));
 
-	timeout = wait_for_timelines(i915, flags, timeout);
+	timeout = wait_for_timelines(gt, flags, timeout);
 	if (timeout < 0)
 		return timeout;
 
@@ -969,7 +970,7 @@ int i915_gem_wait_for_idle(struct drm_i915_private *i915,
 
 		lockdep_assert_held(&i915->drm.struct_mutex);
 
-		err = wait_for_engines(&i915->gt);
+		err = wait_for_engines(gt);
 		if (err)
 			return err;
 
-- 
2.20.1

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