From patchwork Mon May 8 15:03:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 41218 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d7kDf-0005fW-Mu; Mon, 08 May 2017 15:05:03 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.84_2/mailfrontend-6) with esmtp id 1d7kDd-00019R-5X; Mon, 08 May 2017 17:05:03 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755271AbdEHPEj (ORCPT + 1 other); Mon, 8 May 2017 11:04:39 -0400 Received: from mga07.intel.com ([134.134.136.100]:65317 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754923AbdEHPEi (ORCPT ); Mon, 8 May 2017 11:04:38 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP; 08 May 2017 08:04:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,309,1491289200"; d="scan'208";a="1166154559" Received: from paasikivi.fi.intel.com ([10.237.72.42]) by fmsmga002.fm.intel.com with ESMTP; 08 May 2017 08:04:34 -0700 Received: from nauris.fi.intel.com (nauris.localdomain [192.168.240.2]) by paasikivi.fi.intel.com (Postfix) with ESMTP id 92F1521527; Mon, 8 May 2017 18:04:27 +0300 (EEST) Received: by nauris.fi.intel.com (Postfix, from userid 1000) id D399A201AF; Mon, 8 May 2017 18:03:32 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org, posciak@chromium.org, m.szyprowski@samsung.com, kyungmin.park@samsung.com, hverkuil@xs4all.nl, sumit.semwal@linaro.org, robdclark@gmail.com, daniel.vetter@ffwll.ch, labbott@redhat.com, laurent.pinchart@ideasonboard.com Subject: [RFC v4 18/18] v4l: Use non-consistent DMA mappings for hardware that deserves it Date: Mon, 8 May 2017 18:03:30 +0300 Message-Id: <1494255810-12672-19-git-send-email-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1494255810-12672-1-git-send-email-sakari.ailus@linux.intel.com> References: <1494255810-12672-1-git-send-email-sakari.ailus@linux.intel.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2017.5.8.145416 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, BODY_SIZE_700_799 0, IN_REP_TO 0, LEGITIMATE_SIGNS 0, MSG_THREAD 0, NO_URI_HTTPS 0, REFERENCES 0, __ANY_URI 0, __CP_MEDIA_BODY 0, __DATE_TZ_RU 0, __HAS_CC_HDR 0, __HAS_FROM 0, __HAS_LIST_ID 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_TEXT_P 0, __MIME_TEXT_P1 0, __MULTIPLE_RCPTS_CC_X2 0, __NO_HTML_TAG_RAW 0, __REFERENCES 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' Set DMA_ATTR_NON_CONSISTENT for hardware that uses non-consistent memory. Signed-off-by: Sakari Ailus --- drivers/media/platform/omap3isp/ispvideo.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index 218e6d7..b74444e 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -1333,6 +1333,7 @@ static int isp_video_open(struct file *file) queue->buf_struct_size = sizeof(struct isp_buffer); queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; queue->dev = video->isp->dev; + queue->dma_attrs = DMA_ATTR_NON_CONSISTENT; ret = vb2_queue_init(&handle->queue); if (ret < 0) {