Re: [Intel-gfx] [PATCH] drm/i915: Apply the GTT write flush for all !llc machines

2017-09-07 Thread Ville Syrjälä
On Thu, Sep 07, 2017 at 07:35:22PM +0100, Chris Wilson wrote: > Quoting Ville Syrjälä (2017-09-07 19:23:27) > > On Thu, Sep 07, 2017 at 03:31:08PM +0100, Chris Wilson wrote: > > > We also see the delayed GTT write issue on i915g/i915gm, so let's > > > presume that it is a universal problem for all

Re: [Intel-gfx] [PATCH] drm/i915: Apply the GTT write flush for all !llc machines

2017-09-07 Thread Chris Wilson
Quoting Ville Syrjälä (2017-09-07 19:23:27) > On Thu, Sep 07, 2017 at 03:31:08PM +0100, Chris Wilson wrote: > > We also see the delayed GTT write issue on i915g/i915gm, so let's > > presume that it is a universal problem for all llc machines, and that we > > just haven't yet noticed on g33, gen4 an

Re: [Intel-gfx] [PATCH] drm/i915: Apply the GTT write flush for all !llc machines

2017-09-07 Thread Ville Syrjälä
On Thu, Sep 07, 2017 at 03:31:08PM +0100, Chris Wilson wrote: > We also see the delayed GTT write issue on i915g/i915gm, so let's > presume that it is a universal problem for all llc machines, and that we > just haven't yet noticed on g33, gen4 and gen5 machines. > > Testcase: igt/gem_mmap_gtt/coh

[Intel-gfx] [PATCH] drm/i915: Apply the GTT write flush for all !llc machines

2017-09-07 Thread Chris Wilson
We also see the delayed GTT write issue on i915g/i915gm, so let's presume that it is a universal problem for all llc machines, and that we just haven't yet noticed on g33, gen4 and gen5 machines. Testcase: igt/gem_mmap_gtt/coherency # i915gm References: https://bugs.freedesktop.org/show_bug.cgi?id