[Intel-gfx] [PATCH] drm/i915: Make PAT macros more robust

[Chris Wilson]

Quoting Michal Wajdeczko (2017-09-08 17:11:30)
> Macro params shall be wrapped into () to avoid unexpected results.
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris