On 05/11/2019 16.53, Chris Wilson wrote: > If the device does not have an aperture through which we can indirectly > access and detile the buffers, simply reject the ioctl. Later we can > extend the ioctl to support different modes, but as an extension the > user must opt in and explicitly control the mmap type (viz > MMAP_OFFSET_IOCTL). Reviewed-by: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx> > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx> > Cc: Matthew Auld <matthew.auld@xxxxxxxxx> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/gem/i915_gem_mman.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c > index e3002849844b..d60973603cc1 100644 > --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c > +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c > @@ -450,6 +450,9 @@ i915_gem_mmap_gtt(struct drm_file *file, > struct drm_i915_gem_object *obj; > int ret; > > + if (!i915_ggtt_has_aperture(&to_i915(dev)->ggtt)) > + return -ENODEV; > + > obj = i915_gem_object_lookup(file, handle); > if (!obj) > return -ENOENT; > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
