Re: [Intel-gfx] [PATCH] drm/i915/guc: WA to address the Ringbuffer coherency issue

2016-10-14 Thread Goel, Akash
On 10/14/2016 11:45 PM, Chris Wilson wrote: On Fri, Oct 14, 2016 at 11:53:44PM +0530, akash.g...@intel.com wrote: From: Akash Goel Driver accesses the ringbuffer pages, via GMADR BAR, if the pages are pinned in mappable aperture portion of GGTT and for ringbuffer pages allocated from Stolen

Re: [Intel-gfx] [PATCH] drm/i915/guc: WA to address the Ringbuffer coherency issue

2016-10-14 Thread Chris Wilson
On Fri, Oct 14, 2016 at 11:53:44PM +0530, akash.g...@intel.com wrote: > From: Akash Goel > > Driver accesses the ringbuffer pages, via GMADR BAR, if the pages are > pinned in mappable aperture portion of GGTT and for ringbuffer pages > allocated from Stolen memory, access can only be done through