[Intel-gfx] [PATCH 1/2] drm/i915/tgl: the BCS engine supports relative MMIO

[Chris Wilson]

Quoting Daniele Ceraolo Spurio (2019-10-10 00:04:23)
> The specs don't mention any specific HW limitation on the blitter and
> manual inspection shows that the HW does set the relative MMIO bit in
> the LRI of the blitter context image, so we can remove our limitations.

I concur, the HW itself sets the bit, so it can't be too harmful...

> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: John Harrison <John.C.Harrison at Intel.com>
> Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris