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Commit 8f0dc5bf authored by Chris Wilson's avatar Chris Wilson
Browse files

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: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 4f49be54

drivers/gpu/drm/i915/i915_gem.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -3352,7 +3352,7 @@ i915_dispatch_gem_execbuffer(struct drm_device *dev, 
	exec_start = (uint32_t) exec_offset + exec->batch_start_offset;

	exec_start = (uint32_t) exec_offset + exec->batch_start_offset;

	exec_len = (uint32_t) exec->batch_len;

	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;

	count = nbox ? nbox : 1;