From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932670AbeCIRuW (ORCPT ); Fri, 9 Mar 2018 12:50:22 -0500 Received: from mail-qk0-f196.google.com ([209.85.220.196]:38034 "EHLO mail-qk0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932645AbeCIRuS (ORCPT ); Fri, 9 Mar 2018 12:50:18 -0500 X-Google-Smtp-Source: AG47ELudybNyC2qF4q/B7QKLGzOAi5GvN8q6U9OJrCYOEydTMeWhYoC+AkW2LJcaRh2p//5Ed+Lcyw== From: Gustavo Padovan To: linux-media@vger.kernel.org Cc: kernel@collabora.com, Hans Verkuil , Mauro Carvalho Chehab , Shuah Khan , Pawel Osciak , Alexandre Courbot , Sakari Ailus , Brian Starkey , linux-kernel@vger.kernel.org, Gustavo Padovan Subject: [PATCH v8 11/13] [media] v4l: introduce the fences capability Date: Fri, 9 Mar 2018 14:49:18 -0300 Message-Id: <20180309174920.22373-12-gustavo@padovan.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180309174920.22373-1-gustavo@padovan.org> References: <20180309174920.22373-1-gustavo@padovan.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gustavo Padovan Drivers capable of using fences (vb2 drivers) should report the V4L2_CAP_FENCES to userspace, so add this flag to the uapi. Signed-off-by: Gustavo Padovan --- Documentation/media/uapi/v4l/vidioc-querycap.rst | 3 +++ include/uapi/linux/videodev2.h | 1 + 2 files changed, 4 insertions(+) diff --git a/Documentation/media/uapi/v4l/vidioc-querycap.rst b/Documentation/media/uapi/v4l/vidioc-querycap.rst index 66fb1b3d6e6e..414016065309 100644 --- a/Documentation/media/uapi/v4l/vidioc-querycap.rst +++ b/Documentation/media/uapi/v4l/vidioc-querycap.rst @@ -254,6 +254,9 @@ specification the ioctl returns an ``EINVAL`` error code. * - ``V4L2_CAP_TOUCH`` - 0x10000000 - This is a touch device. + * - ``V4L2_CAP_FENCES`` + - 0x20000000 + - The device support explicit synchronization. * - ``V4L2_CAP_DEVICE_CAPS`` - 0x80000000 - The driver fills the ``device_caps`` field. This capability can diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 2d424aebdd1e..db58204e346e 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -460,6 +460,7 @@ struct v4l2_capability { #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ +#define V4L2_CAP_FENCES 0x20000000 /* Supports explicit synchronization */ #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ -- 2.14.3