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drm/i915: batch submit seqno off-by-one. 

We increment the seqno number between submitting the batch buffer and
the flush/interrupt that demarcates its end, so the tracepoint needs to
reference the incremented value to match the completion event.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2009-09-24 00:43:17 +01:00
parent 4f49be5468
commit 8f0dc5bf17
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_gem.c
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@ -3352,7 +3352,7 @@ i915_dispatch_gem_execbuffer(struct drm_device *dev,
exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
exec_len = (uint32_t) exec->batch_len;
trace_i915_gem_request_submit(dev, dev_priv->mm.next_gem_seqno);
trace_i915_gem_request_submit(dev, dev_priv->mm.next_gem_seqno + 1);
count = nbox ? nbox : 1;