Quoting Ville Syrjälä (2017-09-07 19:50:13) > On Thu, Sep 07, 2017 at 07:45:20PM +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. > > > > v2: Use a register that exists on all platforms > > > > Testcase: igt/gem_mmap_gtt/coherency # i915gm > > References: https://bugs.freedesktop.org/show_bug.cgi?id=102577 > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Seems to be doing the trick nicely. i915gm has settled down now for a long run to hunt for coherency issues, and bsw/bxt are still happy. Pushed, thanks for the review, especially catching ACTHD migrated. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx