drm/i915/bdw: Add comment about gen8 HWS PGA
authorBen Widawsky <benjamin.widawsky@intel.com>
Fri, 8 Nov 2013 05:40:50 +0000 (21:40 -0800)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 14 Nov 2013 08:33:11 +0000 (09:33 +0100)
commiteb0d4b75d506050cb369df467b93b92360f5acaf
tree83b7dea19a954a8121506be1565f831df25a397c
parent230f955f73074ec5b1b4389f3f26152eebf54404
drm/i915/bdw: Add comment about gen8 HWS PGA

This confused me some many times that I think it is appropriate to add a
small comment to instruct the reader of the code that it is indeed doing
what it is supposed to do.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_ringbuffer.c