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-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 227dfcf1764e..6836efb7e3d2 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1694,6 +1694,7 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
GEM_BUG_ON(ring->emit > ring->size - bytes);
cs = ring->vaddr + ring->emit;
+ GEM_DEBUG_EXEC(memset(cs, POISON_INUSE, bytes));
ring->emit += bytes;
ring->space -= bytes;
GEM_BUG_ON(ring->space < 0);