drm/i915/gt: Include semaphore status in print_request()

When pretty-printing the requests for debug, also show the status of any
semaphore waits as part of its runnable status.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201119165616.10834-1-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/gt/intel_engine_cs.c

@@ -1321,6 +1321,7 @@ static void print_request(struct drm_printer *m,
 		   rq->fence.context, rq->fence.seqno,
 		   i915_request_completed(rq) ? "!" :
 		   i915_request_started(rq) ? "*" :
+		   !i915_sw_fence_signaled(&rq->semaphore) ? "&" :
 		   "",
 		   test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
 			    &rq->fence.flags) ? "+" :