On Mon, Jan 11, 2016 at 09:16:14AM +0000, Chris Wilson wrote: > userptr requires mmu-notifier for full unprivileged support. Most > systems have mmu-notifier support already enabled as a requirement for > virtualisation support, but we should make the option for i915 to take > advantage of mmu-notifiers explicit (and enable by default so that > regular userspace can take advantage of passing client memory to the > GPU.) > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx> > Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx> Queued for -next, thanks for the patch. -Daniel > --- > drivers/gpu/drm/i915/Kconfig | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig > index fcd77b27514d..b979295aab82 100644 > --- a/drivers/gpu/drm/i915/Kconfig > +++ b/drivers/gpu/drm/i915/Kconfig > @@ -48,3 +48,14 @@ config DRM_I915_PRELIMINARY_HW_SUPPORT > option changes the default for that module option. > > If in doubt, say "N". > + > +config DRM_I915_USERPTR > + bool "Always enable userptr support" > + depends on DRM_I915 > + select MMU_NOTIFIER > + default y > + help > + This option selects CONFIG_MMU_NOTIFIER if it isn't already > + selected to enabled full userptr support. > + > + If in doubt, say "Y". > -- > 2.7.0.rc3 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
