[Intel-gfx] [PATCH 15/20] drm/i915: Don't touch fence->error when resetting an innocent request

[Chris Wilson]

Quoting Chris Wilson (2017-07-21 13:32:33)
> If the request has been completed before the reset took effect, we don't
> need to mark it up as being a victim. Touching fence->error after the
> fence has been signaled is detected by dma_fence_set_error() and
> triggers a BUG:

[snip]

I've applied all the reviewed patches from the previous series, i.e.
upto this point. Just this issue with a racing reset and tweaks to the
selftests need a second pair of eyes.

Thanks for the review, the hang tests in gem_exec_whisper appreciate the
fixes.
-Chris