[PATCH 02/31] dbg
Chris Wilson
chris at chris-wilson.co.uk
Sun Apr 23 15:49:07 UTC 2017
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b003bd4aeb9f..d3fb3bdae81b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1324,6 +1324,8 @@ void intel_ring_unpin(struct intel_ring *ring)
GEM_BUG_ON(!ring->vma);
GEM_BUG_ON(!ring->vaddr);
+ DRM_DEBUG_DRIVER("ring head=%x, tail=%x, emit=%x\n", ring->head, ring->tail, ring->emit);
+
/* Discard any unused bytes beyond that submitted to hw. */
GEM_BUG_ON(!list_empty(&ring->request_list));
GEM_BUG_ON(ring->head != ring->tail);
--
2.11.0
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