Re: [PATCH 4/4] drm/i915: expose rcs topology through discovery uAPI

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Quoting Lionel Landwerlin (2017-11-10 18:29:45)
> On 10/11/17 16:47, Chris Wilson wrote:
> Unrelated question, have you considered ASN to describe the error state 
> layout?

I was thinking json (to make it semi-structured and extensible), but keep
reminding myself that if everything else speaks aub, we should make a
passable attempt too. Just keep it ascii though.

However, error-state needs large kick in the right direction for
userspace debugging; I am open for suggestions (in fact want suggestions
from people trying to do post-mortem debugging of GL/Vk, libva and CL).
(I quite liked the idea of the apitrace fdr recording the set of GL
commands that constructed the batch; possibly intermediate stages as
well.)
-Chris
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