[Intel-gfx] [PATCH] drm/i915/gt: Split intel_ring_submission

[Chris Wilson]

Quoting Chris Wilson (2019-10-24 08:11:39)
> Split the legacy submission backend from the common ring buffer.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Wouldn't this be a good opportunity to add some mock testing of ring
wraparound? Because that hasn't been broken for long periods of time in
the past. Shut up, shut up, shut up!
-Chris