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path: root/drivers/gpu/drm/i915/intel_engine_cs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
-rw-r--r--drivers/gpu/drm/i915/intel_engine_cs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 854e8e0c836b..92f871cf3265 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -223,6 +223,8 @@ void intel_engine_init_global_seqno(struct intel_engine_cs *engine, u32 seqno)
{
struct drm_i915_private *dev_priv = engine->i915;
+ GEM_BUG_ON(!intel_engine_is_idle(engine));
+
/* Our semaphore implementation is strictly monotonic (i.e. we proceed
* so long as the semaphore value in the register/page is greater
* than the sync value), so whenever we reset the seqno,
@@ -260,6 +262,8 @@ void intel_engine_init_global_seqno(struct intel_engine_cs *engine, u32 seqno)
* there are any waiters for that seqno.
*/
intel_engine_wakeup(engine);
+
+ GEM_BUG_ON(intel_engine_get_seqno(engine) != seqno);
}
static void intel_engine_init_timeline(struct intel_engine_cs *engine)