Re: [Intel-gfx] [PATCH] drm/i915: Fix pte updates in ggtt clear range

2012-11-28 Thread Ben Widawsky
On Mon, 26 Nov 2012 21:52:54 -0800 Ben Widawsky wrote: > This bug was introduced by me: > commit e76e9aebcdbfebae8f4cd147e3c0f800d36e97f3 > Author: Ben Widawsky > Date: Sun Nov 4 09:21:27 2012 -0800 > > drm/i915: Stop using AGP layer for GEN6+ > > The existing code uses memset_io which f

Re: [Intel-gfx] [PATCH] drm/i915: Fix pte updates in ggtt clear range

2012-11-27 Thread Chris Wilson
On Tue, 27 Nov 2012 08:32:57 -0800, Ben Widawsky wrote: > On Tue, 27 Nov 2012 08:22:01 + > Chris Wilson wrote: > > > On Mon, 26 Nov 2012 21:52:54 -0800, Ben Widawsky > > wrote: > > > This bug was introduced by me: > > > commit e76e9aebcdbfebae8f4cd147e3c0f800d36e97f3 > > > Author: Ben Widaw

Re: [Intel-gfx] [PATCH] drm/i915: Fix pte updates in ggtt clear range

2012-11-27 Thread Ben Widawsky
On Tue, 27 Nov 2012 08:22:01 + Chris Wilson wrote: > On Mon, 26 Nov 2012 21:52:54 -0800, Ben Widawsky > wrote: > > This bug was introduced by me: > > commit e76e9aebcdbfebae8f4cd147e3c0f800d36e97f3 > > Author: Ben Widawsky > > Date: Sun Nov 4 09:21:27 2012 -0800 > > > > drm/i915: Sto

Re: [Intel-gfx] [PATCH] drm/i915: Fix pte updates in ggtt clear range

2012-11-27 Thread Chris Wilson
On Mon, 26 Nov 2012 21:52:54 -0800, Ben Widawsky wrote: > This bug was introduced by me: > commit e76e9aebcdbfebae8f4cd147e3c0f800d36e97f3 > Author: Ben Widawsky > Date: Sun Nov 4 09:21:27 2012 -0800 > > drm/i915: Stop using AGP layer for GEN6+ > > The existing code uses memset_io which f

[Intel-gfx] [PATCH] drm/i915: Fix pte updates in ggtt clear range

2012-11-26 Thread Ben Widawsky
This bug was introduced by me: commit e76e9aebcdbfebae8f4cd147e3c0f800d36e97f3 Author: Ben Widawsky Date: Sun Nov 4 09:21:27 2012 -0800 drm/i915: Stop using AGP layer for GEN6+ The existing code uses memset_io which follows memset semantics in only guaranteeing a write of individual bytes.