--- drivers/gpu/drm/i915/i915_gem.c.orig	2022-02-23 13:59:52 UTC
+++ drivers/gpu/drm/i915/i915_gem.c
@@ -934,18 +934,28 @@ wait_for_timelines(struct drm_i915_private *i915,
 int i915_gem_wait_for_idle(struct drm_i915_private *i915,
 			   unsigned int flags, long timeout)
 {
+	long start = ticks;
+	printf("\nStart of i915_gem_wait_for_idle()\n");
 	/* If the device is asleep, we have no requests outstanding */
 	if (!intel_gt_pm_is_awake(&i915->gt))
 		return 0;
 
-	GEM_TRACE("flags=%x (%s), timeout=%ld%s\n",
+	printf("flags=%x (%s), timeout=%ld%s\n",
 		  flags, flags & I915_WAIT_LOCKED ? "locked" : "unlocked",
 		  timeout, timeout == MAX_SCHEDULE_TIMEOUT ? " (forever)" : "");
 
-	timeout = wait_for_timelines(i915, flags, timeout);
+	printf("\nCalling wait_for_timelines()\n");
+	//timeout = wait_for_timelines(i915, flags, timeout);
+	timeout = wait_for_timelines(i915, flags, MAX_SCHEDULE_TIMEOUT);
+
+	printf("flags=%x (%s), timeout=%ld%s\n",
+		  flags, flags & I915_WAIT_LOCKED ? "locked" : "unlocked",
+		  timeout, timeout == MAX_SCHEDULE_TIMEOUT ? " (forever)" : "");
+
 	if (timeout < 0)
 		return timeout;
 
+	printf("\nEnd of i915_gem_wait_for_idle() in %ld tick(s)\n", ticks - start);
 	if (flags & I915_WAIT_LOCKED) {
 		lockdep_assert_held(&i915->drm.struct_mutex);