From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helen Koike Subject: Re: [PATCH] media: staging: rkisp1: capture: remove support to userptr memory Date: Thu, 20 Feb 2020 16:14:04 -0300 Message-ID: <54b8a35e-b0d4-3aba-a6ab-c44981db21a1@collabora.com> References: <20200220185603.26968-1-dafna.hirschfeld@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20200220185603.26968-1-dafna.hirschfeld@collabora.com> Content-Language: en-US Sender: linux-media-owner@vger.kernel.org To: Dafna Hirschfeld , linux-media@vger.kernel.org Cc: ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org List-Id: linux-rockchip.vger.kernel.org On 2/20/20 3:56 PM, Dafna Hirschfeld wrote: > The dma_contig memory operations which is used by the capture > should not support userptr. Therefore remove it. I would just re-word this a bit, something like: VB2_USERPTR support doesn't make sense for drivers based on vb2_dma_contig, so just drop it. Otherwise, queues using vb2_dma_contig_memops causes v4l2-compliance to fail for VB2_USERPTR mode, due to buffer misalignment. > > Signed-off-by: Dafna Hirschfeld Acked-by: Helen Koike > --- > drivers/staging/media/rkisp1/rkisp1-capture.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c > index 5f97af5cd95f..a006cd03228d 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-capture.c > +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c > @@ -1349,7 +1349,7 @@ static int rkisp1_register_capture(struct rkisp1_capture *cap) > > q = &node->buf_queue; > q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; > - q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_USERPTR; > + q->io_modes = VB2_MMAP | VB2_DMABUF; > q->drv_priv = cap; > q->ops = &rkisp1_vb2_ops; > q->mem_ops = &vb2_dma_contig_memops; >