Re: [PATCH 5/5] drm/i915: Fix error capture on BYT/BDW

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On Mon, Jan 27, 2014 at 12:31:08PM -0800, Ben Widawsky wrote:
> The other issue is the existing method doesn't rely as much on proper
> request handling, ie. this could be more resilient to driver bugs. I
> kind of want to keep both...

Actually I think it is. Part of the process of reading an error dump is
tying together the registers with what is captured. If they are
inconsistent, we know that the driver/capture is buggy. What happens in
the real world is that the GPU executes something completely different
than the batch buffer anyway...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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