diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index c0a89c17c5a49..7ab75bde28d63 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -2661,6 +2661,9 @@ static void process_csb(struct intel_engine_cs *engine) smp_wmb(); /* complete the seqlock */ WRITE_ONCE(execlists->active, execlists->inflight); + /* XXX Magic delay for tgl */ + ENGINE_POSTING_READ(engine, RING_CONTEXT_STATUS_PTR); + WRITE_ONCE(execlists->pending[0], NULL); } else { if (GEM_WARN_ON(!*execlists->active)) {