linux-kernel - [PATCH 4/4] docs: Deprecate mfc display delay controls

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Date:   Mon,  9 Nov 2020 19:35:41 +0200
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Kyungmin Park <kyungmin.park@...sung.com>,
        Kamil Debski <kamil@...as.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: [PATCH 4/4] docs: Deprecate mfc display delay controls

Deprecate mfc private display delay and display enable controls for
new clients and use the standard controls instead.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
---
 .../userspace-api/media/v4l/ext-ctrls-codec.rst        | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index 82c9cda40270..b8f69c52b2a2 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -2771,6 +2771,11 @@ MFC 5.1 Control IDs
     feature can be used for example for generating thumbnails of videos.
     Applicable to the H264 decoder.
 
+    .. note::
+
+       This control is deprecated. Use the standard
+       ``V4L2_CID_MPEG_VIDEO_DECODER_DISPLAY_DELAY_ENABLE`` control instead.
+
 ``V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY (integer)``
     Display delay value for H264 decoder. The decoder is forced to
     return a decoded frame after the set 'display delay' number of
@@ -2778,6 +2783,11 @@ MFC 5.1 Control IDs
     of display order, in addition the hardware may still be using the
     returned buffer as a reference picture for subsequent frames.
 
+    .. note::
+
+       This control is deprecated. Use the standard
+       ``V4L2_CID_MPEG_VIDEO_DECODER_DISPLAY_DELAY`` control instead.
+
 ``V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P (integer)``
     The number of reference pictures used for encoding a P picture.
     Applicable to the H264 encoder.
-- 
2.17.1