We can't assert that the execlists are active before we set the flag. So
perform the assert after we are expected to have marked the execlists
active.

Fixes: 339ccd35b42c ("drm/i915: Assert that we always complete a submission to 
guc/execlists")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Michał Winiarski <[email protected]>
Cc: Mika Kuoppala <[email protected]>
---
 drivers/gpu/drm/i915/intel_lrc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 6fbe1a8a37ad..9b6d781b22ec 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -644,8 +644,6 @@ static void execlists_dequeue(struct intel_engine_cs 
*engine)
                port_assign(port, last);
 
        /* We must always keep the beast fed if we have work piled up */
-       GEM_BUG_ON(port_isset(execlists->port) &&
-                  !execlists_is_active(execlists, EXECLISTS_ACTIVE_USER));
        GEM_BUG_ON(execlists->first && !port_isset(execlists->port));
 
 unlock:
@@ -655,6 +653,9 @@ static void execlists_dequeue(struct intel_engine_cs 
*engine)
                execlists_set_active(execlists, EXECLISTS_ACTIVE_USER);
                execlists_submit_ports(engine);
        }
+
+       GEM_BUG_ON(port_isset(execlists->port) &&
+                  !execlists_is_active(execlists, EXECLISTS_ACTIVE_USER));
 }
 
 void
-- 
2.16.1

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