Re: [Intel-gfx] [PATCH 07/10] drm/i915: Align GGTT sizes to a fence tile row

2017-01-09 Thread Chris Wilson
On Mon, Jan 09, 2017 at 03:21:43PM +0200, Joonas Lahtinen wrote: > On pe, 2017-01-06 at 15:25 +, Chris Wilson wrote: > > Ensure the view occupies the full tile row so that reads/writes into the > > VMA do not escape (via fenced detiling) into neighbouring objects - we > > will pad the object wi

Re: [Intel-gfx] [PATCH 07/10] drm/i915: Align GGTT sizes to a fence tile row

2017-01-09 Thread Joonas Lahtinen
On pe, 2017-01-06 at 15:25 +, Chris Wilson wrote: > Ensure the view occupies the full tile row so that reads/writes into the > VMA do not escape (via fenced detiling) into neighbouring objects - we > will pad the object with scratch pages to satisfy the fence. This > applies the lazy-tiling we

[Intel-gfx] [PATCH 07/10] drm/i915: Align GGTT sizes to a fence tile row

2017-01-06 Thread Chris Wilson
Ensure the view occupies the full tile row so that reads/writes into the VMA do not escape (via fenced detiling) into neighbouring objects - we will pad the object with scratch pages to satisfy the fence. This applies the lazy-tiling we employed on gen2/3 to gen4+. Signed-off-by: Chris Wilson ---