[PATCH] drm/i915: Include the current timeline seqno for debugging execlists

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While this is mainly only useful for ELSP[0], it is definitely useful to
know the current timeline seqno wrt to the queued set of requests for
that port, as this carries additional information above and beyond the
near-defunct global_seqno and global HWSP.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 49fa43ff02ba..2547e2e51db8 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1425,10 +1425,11 @@ static void intel_engine_print_registers(const struct intel_engine_cs *engine,
 				char hdr[80];
 
 				snprintf(hdr, sizeof(hdr),
-					 "\t\tELSP[%d] count=%d, ring:{start:%08x, hwsp:%08x}, rq: ",
+					 "\t\tELSP[%d] count=%d, ring:{start:%08x, hwsp:%08x, seqno:%08x}, rq: ",
 					 idx, count,
 					 i915_ggtt_offset(rq->ring->vma),
-					 rq->timeline->hwsp_offset);
+					 rq->timeline->hwsp_offset,
+					 hwsp_seqno(rq));
 				print_request(m, rq, hdr);
 			} else {
 				drm_printf(m, "\t\tELSP[%d] idle\n", idx);
-- 
2.20.1

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