On Tue, 2015-12-22 at 12:00 +0100, Michał Winiarski wrote: > According to bspec, some parts of HW require the addresses to be in > a canonical form, where bits [63:48] == [47]. Let's convert addresses > to > canonical form prior to relocating and return converted offsets to > userspace. We also need to make sure that userspace is using > addresses > in canonical form in case of softpin. > > v2: Whitespace fixup, gen8_canonical_addr description (Chris, Ville) > v3: Rebase on top of softpin, fix a hole in relocate_entry, > s/expect/require (Chris) > v4: Handle softpin in validate_exec_list (Chris) > v5: Convert back to canonical form at copy_to_user time (Chris) Please ignore this one, I'm breaking old execbuffer here. > > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Michel Thierry <michel.thierry@xxxxxxxxx> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> > --- > drivers/gpu/drm/i915/i915_gem_execbuffer.c | 107 ++++++++++++++++++- > ---------- > 1 file changed, 66 insertions(+), 41 deletions(-) _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
