[Intel-gfx] [PATCH 2/5] drm/i915: Dump the ringbuffer of the active request for debugging

[Joonas Lahtinen]

Quoting Chris Wilson (2018-06-14 12:41:00)
> Sometimes we need to see what instructions we emitted for a request to
> try and gather a glimmer of insight into what the GPU is doing when it
> stops responding.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

A ring-buffer dumper utility func might make it more readable by quick
glance.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas