From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH 2/4] iommu/tegra: Setup aperture Date: Fri, 27 Mar 2015 11:19:36 +0100 Message-ID: <20150327101935.GB17976@ulmo.nvidia.com> References: <1427450847-17719-1-git-send-email-thierry.reding@gmail.com> <1427450847-17719-2-git-send-email-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="O5XBE6gyVG5Rl6Rj" Return-path: Content-Disposition: inline In-Reply-To: <1427450847-17719-2-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Joerg Roedel Cc: Stephen Warren , Alexandre Courbot , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hiroshi Doyu List-Id: linux-tegra@vger.kernel.org --O5XBE6gyVG5Rl6Rj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 27, 2015 at 11:07:25AM +0100, Thierry Reding wrote: > From: Thierry Reding >=20 > Each address space in the Tegra SMMU provides 4 GiB worth of addresses. >=20 > Cc: Hiroshi Doyu > Signed-off-by: Thierry Reding > --- > drivers/iommu/tegra-smmu.c | 5 +++++ > 1 file changed, 5 insertions(+) >=20 > diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c > index fff45b3d3e57..7b36760ae087 100644 > --- a/drivers/iommu/tegra-smmu.c > +++ b/drivers/iommu/tegra-smmu.c > @@ -269,6 +269,11 @@ static int tegra_smmu_domain_init(struct iommu_domai= n *domain) > =20 > domain->priv =3D as; > =20 > + /* setup aperture */ > + domain->geometry.aperture_start =3D 0; > + domain->geometry.aperture_end =3D 0xffffffff; > + domain->geometry.force_aperture =3D true; > + > return 0; > } I also just realized that this hunk conflicts with the IOMMU domain alloc/free series that you sent out yesterday. Were you planning on merging that series for 4.1? If so I can regenerate these patches on top of your series. Thierry --O5XBE6gyVG5Rl6Rj Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJVFS62AAoJEN0jrNd/PrOhlnoP/06eStfdZyjj+Carpf/TZwzA AEt595+IZ0pvK9kDuFts4QWNjl1c7gG0P6K9DUMvqlXAg7P0KVOdlGH3FV4+nVyV mLV3xFusdXlkCm7dZNT8Lufe/UbuNUNLflWZR+h4TjWUQRYAzJNt8avjD0S8DcaU MiHb2KXam7pZ1wVy6vVHYTISH6gfmanGgT8GRqiTtGZ6ZYHOmQKV/+zGXi75CpKE a2nPAmN8u8S2sjY6IRnkq/8rgbYzqS+hWR3tOh0buJXaUs+gkgFS13AxYRzhcJbO A6kd4uVn5T0P87IcV7do0xoBXEomkPamyha8fFCz9fyxtohfiCAy8OwzzErpFe0Y vm7/cQnmyjqulYcDFVjc6tTEYfWFPdNQih5s5IUvFSorewVO626Suar2YqOG7Nqa 124pM37KvWzLnN0kCeB7sRm18G1BOO/eV8MaYSYNuZ+RgB2x2DyGK+du5qGpkoIZ IeN0nQV07GXLbz2xqoeYGKUkHFPBEJVk7f/NknEt0Kx1LwZOsUEblKKfkXuuBAEp SvEqpyKJ/0q0M3n0e6s9ig7+gXzNpvkOOeJOvlKcxVNA98ULXVrhxGbkea5BJXxs r2J12nX4OHBHw46Rh/+r4g3dGCq9z4QfpPBVmauOep6xek6fNFhKK3zPv+gxhAE5 2G418jTqbiqTLwGogxuw =iMcL -----END PGP SIGNATURE----- --O5XBE6gyVG5Rl6Rj--