From mboxrd@z Thu Jan 1 00:00:00 1970 From: Archit Taneja Subject: [PATCH v2 4/7] v4l: ti-vpe: Allow DMABUF buffer type support Date: Tue, 4 Mar 2014 14:19:22 +0530 Message-ID: <1393922965-15967-5-git-send-email-archit@ti.com> References: <1393832008-22174-1-git-send-email-archit@ti.com> <1393922965-15967-1-git-send-email-archit@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:55931 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756507AbaCDIuX (ORCPT ); Tue, 4 Mar 2014 03:50:23 -0500 In-Reply-To: <1393922965-15967-1-git-send-email-archit@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: k.debski@samsung.com Cc: linux-media@vger.kernel.org, linux-omap@vger.kernel.org, hverkuil@xs4all.nl, Archit Taneja For OMAP and DRA7x, we generally allocate video and graphics buffers through omapdrm since the corresponding omap-gem driver provides DMM-Tiler backed contiguous buffers. omapdrm is a dma-buf exporter. These buffers are used by other drivers in the video pipeline. Add VB2_DMABUF flag to the io_modes of the vb2 output and capture queues. This allows the driver to import dma shared buffers. Signed-off-by: Archit Taneja --- drivers/media/platform/ti-vpe/vpe.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index bb275f4..915029b 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -1768,7 +1768,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, memset(src_vq, 0, sizeof(*src_vq)); src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; - src_vq->io_modes = VB2_MMAP; + src_vq->io_modes = VB2_MMAP | VB2_DMABUF; src_vq->drv_priv = ctx; src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->ops = &vpe_qops; @@ -1781,7 +1781,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, memset(dst_vq, 0, sizeof(*dst_vq)); dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; - dst_vq->io_modes = VB2_MMAP; + dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; dst_vq->drv_priv = ctx; dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->ops = &vpe_qops; -- 1.8.3.2