From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A593FC10F0E for ; Fri, 12 Apr 2019 22:50:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6ED3320818 for ; Fri, 12 Apr 2019 22:50:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727114AbfDLWuN (ORCPT ); Fri, 12 Apr 2019 18:50:13 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:36590 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726765AbfDLWuM (ORCPT ); Fri, 12 Apr 2019 18:50:12 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: koike) with ESMTPSA id 76E73260652 Subject: Re: [PATCH v2 09/15] media: vimc: cap: Allocate and verify mplanar buffers To: =?UTF-8?Q?Andr=c3=a9_Almeida?= , linux-media@vger.kernel.org Cc: mchehab@kernel.org, hverkuil@xs4all.nl, lucmaga@gmail.com, linux-kernel@vger.kernel.org, kernel@collabora.com, lkcamp@lists.libreplanetbr.org References: <20190327151743.18528-1-andrealmeid@collabora.com> <20190327151743.18528-10-andrealmeid@collabora.com> From: Helen Koike Openpgp: preference=signencrypt Autocrypt: addr=helen.koike@collabora.com; keydata= mQINBFmOMD4BEADb2nC8Oeyvklh+ataw2u/3mrl+hIHL4WSWtii4VxCapl9+zILuxFDrxw1p XgF3cfx7g9taWBrmLE9VEPwJA6MxaVnQuDL3GXxTxO/gqnOFgT3jT+skAt6qMvoWnhgurMGH wRaA3dO4cFrDlLsZIdDywTYcy7V2bou81ItR5Ed6c5UVX7uTTzeiD/tUi8oIf0XN4takyFuV Rf09nOhi24bn9fFN5xWHJooFaFf/k2Y+5UTkofANUp8nn4jhBUrIr6glOtmE0VT4pZMMLT63 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JkgmmesIAw8mpI6EeLmReUJLasz8QkzhZIC7t5rGlQI94GQG3Jg2dC+kpaGWOaT5G4FVMcBj iR1nXfMxENVYnM5ag7mBZyD/kru5W1Uj34L6AFaDMXFPwedSCpzzqUiHb0f+nYkfOodf5xy0 46+3THy/NUS/ZZp/rI4F7Y77+MQPVg7vARfHHX1AxYUKfRVW5j88QUB70txn8Vgi1tDrOr4J eD+xr0CvIGa5lKqgQacQtGkpOpJ8zY4ObSvpNubey/qYUE3DCXD0n2Xxk4muTvqlkFpOYA== Message-ID: <55e606ac-1354-e31c-bfb1-2193f4ee7cb9@collabora.com> Date: Fri, 12 Apr 2019 19:49:46 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <20190327151743.18528-10-andrealmeid@collabora.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/27/19 12:17 PM, André Almeida wrote: > If the driver is in multiplanar mode, fill the vb2 structures > with the planes sizes and verify it the sizes allocated to the > planes are enough. > > Signed-off-by: André Almeida Acked-by: Helen Koike > --- > Change in v2: > - Use IS_MULTIPLANAR macro > > drivers/media/platform/vimc/vimc-capture.c | 42 ++++++++++++++++++---- > 1 file changed, 36 insertions(+), 6 deletions(-) > > diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c > index c344d04ed8ea..57bc2b64b093 100644 > --- a/drivers/media/platform/vimc/vimc-capture.c > +++ b/drivers/media/platform/vimc/vimc-capture.c > @@ -505,12 +505,28 @@ static int vimc_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, > struct device *alloc_devs[]) > { > struct vimc_cap_device *vcap = vb2_get_drv_priv(vq); > + const struct v4l2_plane_pix_format *plane_fmt = > + vcap->format.fmt.pix_mp.plane_fmt; > + unsigned int i; > + > + if (IS_MULTIPLANAR(vcap)) { > + for (i = 0; i < *nplanes; i++) > + if (sizes[i] < plane_fmt[i].sizeimage) > + return -EINVAL; > + } else if (*nplanes && sizes[0] < vcap->format.fmt.pix.sizeimage) > + return -EINVAL; I thought checkpatch should complain about the unbalanced braces here but it didn't. Helen > > if (*nplanes) > - return sizes[0] < vcap->format.fmt.pix.sizeimage ? -EINVAL : 0; > - /* We don't support multiplanes for now */ > - *nplanes = 1; > - sizes[0] = vcap->format.fmt.pix.sizeimage; > + return 0; > + > + if (IS_MULTIPLANAR(vcap)) { > + *nplanes = vcap->format.fmt.pix_mp.num_planes; > + for (i = 0; i < *nplanes; i++) > + sizes[i] = plane_fmt[i].sizeimage; > + } else { > + *nplanes = 1; > + sizes[0] = vcap->format.fmt.pix.sizeimage; > + } > > return 0; > } > @@ -518,9 +534,23 @@ static int vimc_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, > static int vimc_cap_buffer_prepare(struct vb2_buffer *vb) > { > struct vimc_cap_device *vcap = vb2_get_drv_priv(vb->vb2_queue); > - unsigned long size = vcap->format.fmt.pix.sizeimage; > + unsigned long size; > + unsigned int i; > > - if (vb2_plane_size(vb, 0) < size) { > + if (IS_MULTIPLANAR(vcap)) { > + for (i = 0; i < vb->num_planes; i++) { > + size = vcap->format.fmt.pix_mp.plane_fmt[i].sizeimage; > + if (vb2_plane_size(vb, i) < size) { > + dev_err(vcap->dev, > + "%s: buffer too small (%lu < %lu)\n", > + vcap->vdev.name, vb2_plane_size(vb, i), > + size); > + > + return -EINVAL; > + } > + } > + } else if (vb2_plane_size(vb, 0) < vcap->format.fmt.pix.sizeimage) { > + size = vcap->format.fmt.pix.sizeimage; > dev_err(vcap->dev, "%s: buffer too small (%lu < %lu)\n", > vcap->vdev.name, vb2_plane_size(vb, 0), size); > return -EINVAL; >