From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH v4 2/2] gpu: host1x: Set DMA ops on device creation Date: Wed, 2 Mar 2016 18:08:38 +0100 Message-ID: <20160302170838.GB486@ulmo.nvidia.com> References: <1456477613-24995-1-git-send-email-acourbot@nvidia.com> <1456477613-24995-2-git-send-email-acourbot@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LyciRD1jyfeSSjG0" Return-path: Content-Disposition: inline In-Reply-To: <1456477613-24995-2-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alexandre Courbot Cc: Terje =?utf-8?Q?Bergstr=C3=B6m?= , Stephen Warren , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: linux-tegra@vger.kernel.org --LyciRD1jyfeSSjG0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 26, 2016 at 06:06:53PM +0900, Alexandre Courbot wrote: > Currently host1x-instanciated devices have their dma_ops left to NULL, > which makes any DMA operation (like buffer import) on ARM64 fallback > to the dummy_dma_ops and fail with an error. >=20 > This patch calls of_dma_configure() with the host1x node when creating > such a device, so the proper DMA operations are set. >=20 > Suggested-by: Thierry Reding > Signed-off-by: Alexandre Courbot > --- > drivers/gpu/host1x/bus.c | 2 ++ > 1 file changed, 2 insertions(+) Applied, thanks. Thierry --LyciRD1jyfeSSjG0 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJW1x4VAAoJEN0jrNd/PrOhgQwP/2QrvrZjRFlnhN7piknbXR8z 6Aihz2zB8e3qiZmiY0POn2LYxZDyAgvz3efvcrsH7/qQ4Idev23crxe4DN16sq3Y kpUMwy7lMcANAckVj365npppZHP+zYV8s9IX0gUuGti320F0bQ4JXGqiCLM0uvmK 3Uu0RcYWiu5GGW9PaIPrFPijYVxuiVNvJAwloRKTND2XLoASt/3ZMF+D/3TlugSg kLcs+xdRhvwbHJjwu15d1Oq4FsOYyEl6Gfqdg8XDrSdNkqRhAvzZIJqD8jw2SSSa 4P/313Wd+TqSHARO2ssmNTLppp65jSmownm+I6cppEmeXtr66yZD3XaSuhRq9axd dnwVq6TsARW+W6IahVfUIOOAhmdP1WYA5vXDNkQs+G2+ZUV550w3ipr7onow06J4 J5bmP15PEYLWkQ5b4oQRXpEKL0PcXHbR8hdeurd3k/tzYcNuYixD7CSpuOI6bK3p mZrO+49P8ax2ag+ZKQ6fdAbu4g9fMybGTBU5xE/wqt57UhTaquB1UNil+K51a3cj pieg46UVodWVbIUr4qJuJ5hETskLlApLoocne1fN2mRvG2YNTXP7zqOFVdPKE4Ic xIhT2eIvylDKakZcCzkRFrmSmAa0NdxceFPY1D8bAZy1j2Bti5At6FW9MR+HGdTe +1Lv+Cnmj7LQAA5JxqMJ =7bQZ -----END PGP SIGNATURE----- --LyciRD1jyfeSSjG0-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754964AbcCBRIo (ORCPT ); Wed, 2 Mar 2016 12:08:44 -0500 Received: from mail-pf0-f174.google.com ([209.85.192.174]:33639 "EHLO mail-pf0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752522AbcCBRIm (ORCPT ); Wed, 2 Mar 2016 12:08:42 -0500 Date: Wed, 2 Mar 2016 18:08:38 +0100 From: Thierry Reding To: Alexandre Courbot Cc: Terje =?utf-8?Q?Bergstr=C3=B6m?= , Stephen Warren , linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, gnurou@gmail.com Subject: Re: [PATCH v4 2/2] gpu: host1x: Set DMA ops on device creation Message-ID: <20160302170838.GB486@ulmo.nvidia.com> References: <1456477613-24995-1-git-send-email-acourbot@nvidia.com> <1456477613-24995-2-git-send-email-acourbot@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LyciRD1jyfeSSjG0" Content-Disposition: inline In-Reply-To: <1456477613-24995-2-git-send-email-acourbot@nvidia.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --LyciRD1jyfeSSjG0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 26, 2016 at 06:06:53PM +0900, Alexandre Courbot wrote: > Currently host1x-instanciated devices have their dma_ops left to NULL, > which makes any DMA operation (like buffer import) on ARM64 fallback > to the dummy_dma_ops and fail with an error. >=20 > This patch calls of_dma_configure() with the host1x node when creating > such a device, so the proper DMA operations are set. >=20 > Suggested-by: Thierry Reding > Signed-off-by: Alexandre Courbot > --- > drivers/gpu/host1x/bus.c | 2 ++ > 1 file changed, 2 insertions(+) Applied, thanks. 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