[Intel-gfx] [PATCH] drm/i915/guc: Don't GEM_BUG_ON on corrupted H2G CTB

[Chris Wilson]

Quoting Michal Wajdeczko (2020-01-20 19:18:17)
> We should never BUG_ON on any corruption in CTB descriptor as
> data there can be also modified by the GuC. Instead we can
> use flag "is_in_error" to indicate that we will not process
> any further messages over this CTB (until reset).

Like you already did for ct_read(). I was confused over having deja vu.

> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris