drm/xe: Add GuC state asserts to deregister_exec_queue

Will help catch bugs in GuC state machine.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611144053.2805091-9-matthew.brost@intel.com

drivers/gpu/drm/xe/xe_guc_submit.c

@@ -1587,6 +1587,11 @@ static void deregister_exec_queue(struct xe_guc *guc, struct xe_exec_queue *q)
 		q->guc->id,
 	};
 
+	xe_gt_assert(guc_to_gt(guc), exec_queue_destroyed(q));
+	xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
+	xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
+	xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
+
 	trace_xe_exec_queue_deregister(q);
 
 	xe_guc_ct_send_g2h_handler(&guc->ct, action, ARRAY_SIZE(action));