From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: [PATCH v2 09/10] drm: omapdrm: Map pages for DMA in DMA_TO_DEVICE direction Date: Thu, 27 Apr 2017 13:48:53 +0300 Message-ID: <2a96cb59-49d6-ced7-f258-7dc107cf0230@ti.com> References: <20170420213359.31300-1-laurent.pinchart@ideasonboard.com> <20170420213359.31300-10-laurent.pinchart@ideasonboard.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1794013798==" Return-path: Received: from lelnx193.ext.ti.com (lelnx193.ext.ti.com [198.47.27.77]) by gabe.freedesktop.org (Postfix) with ESMTPS id A328A6E2A3 for ; Thu, 27 Apr 2017 11:03:05 +0000 (UTC) In-Reply-To: <20170420213359.31300-10-laurent.pinchart@ideasonboard.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Laurent Pinchart , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1794013798== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="X5CDTR28ph1e715EKRpnUOIDuDEwdddhm" --X5CDTR28ph1e715EKRpnUOIDuDEwdddhm Content-Type: multipart/mixed; boundary="0IER1deEWi6XROLrusV628vdagLpAXoGi"; protected-headers="v1" From: Tomi Valkeinen To: Laurent Pinchart , dri-devel@lists.freedesktop.org Message-ID: <2a96cb59-49d6-ced7-f258-7dc107cf0230@ti.com> Subject: Re: [PATCH v2 09/10] drm: omapdrm: Map pages for DMA in DMA_TO_DEVICE direction References: <20170420213359.31300-1-laurent.pinchart@ideasonboard.com> <20170420213359.31300-10-laurent.pinchart@ideasonboard.com> In-Reply-To: <20170420213359.31300-10-laurent.pinchart@ideasonboard.com> --0IER1deEWi6XROLrusV628vdagLpAXoGi Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 21/04/17 00:33, Laurent Pinchart wrote: > The display engine only reads from memory, there's no need to use > bidirectional DMA mappings. Use DMA_TO_DEVICE instead. >=20 > Signed-off-by: Laurent Pinchart > --- > drivers/gpu/drm/omapdrm/omap_gem.c | 11 +++++------ > drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 4 ++-- > 2 files changed, 7 insertions(+), 8 deletions(-) Reviewed-by: Tomi Valkeinen Tomi --0IER1deEWi6XROLrusV628vdagLpAXoGi-- --X5CDTR28ph1e715EKRpnUOIDuDEwdddhm Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJZAcyVAAoJEPo9qoy8lh71jMoQAJZgX8KAgs6gdtEHkkQVYj70 bY6AV9wrpy6MMsuRVkX8IY6nmXAfbcLNpVPmqN3gHI+lkf+ODPqeav5E26PJ2nAh M0cox+wOnZBDH3BWVnP6s/YEDU2odjDA7bddKkDjgfW9sRfCZMWnnD8s37HGWRYG xvdVt3cFwGQVxZ8ZZssVWfqPLNuHslZA4nYAKQzt7VjYD87ZFX30jI2fR/+EDu0v vk/umxhFjoe3g4j1RhYGRf1bCCDheTIODAI3M5jLDA63Li3gplbJSql2bQFK+EYF Ld+a0wKIQ5V+kjEddZCMLERnbqsNaaM7KEYqIsCJ/yu6eA6X49KdpiwEoGeGUbLo s4yThEzRbncAxcp6Mi558OB9YI8V0qtF49dZreqVKT+UiyJ0T7LI/rP7d7ZGwR+Z dHh3r2ffL124SNkyZE45vcAF0mVWg2QICmrYUaQLzI9iPUuH1zWaoiWNQj8rFiAW zO50G6uSxZIFfgRlxiFpEys1XlLwuCs/0sHxccv/st3JUZToMvb7tN8PK8yeXUML XWD12TBSFai0iZnJwFAq1O9CJFgFcXQby1Xt5l1YEisRQQqeNCunrapq5XoEczH7 l6hMuWY2vpWcP1aF/V3cviodozREqBEzmxcR+3/ulgpLO6Kw54gL8pAuE8pDCXvi HSnbcwvfKXx+sX8WkU0C =41SS -----END PGP SIGNATURE----- --X5CDTR28ph1e715EKRpnUOIDuDEwdddhm-- --===============1794013798== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============1794013798==--