linux-kernel - [PATCH v4 0/7] media: mediatek: vcodec: fix v4l2_ctrl_request

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Message-ID: <20240807082444.21280-1-yunfei.dong@mediatek.com>
Date: Wed, 7 Aug 2024 16:24:30 +0800
From: Yunfei Dong <yunfei.dong@...iatek.com>
To: Nícolas F . R . A . Prado
	<nfraprado@...labora.com>, Sebastian Fricke <sebastian.fricke@...labora.com>,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>, Hans Verkuil
	<hverkuil-cisco@...all.nl>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Benjamin Gaignard
	<benjamin.gaignard@...labora.com>, Nathan Hebert <nhebert@...omium.org>,
	Daniel Almeida <daniel.almeida@...labora.com>
CC: Hsin-Yi Wang <hsinyi@...omium.org>, Fritz Koenig <frkoenig@...omium.org>,
	Daniel Vetter <daniel@...ll.ch>, Steve Cho <stevecho@...omium.org>, Yunfei
 Dong <yunfei.dong@...iatek.com>, <linux-media@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v4 0/7] media: mediatek: vcodec: fix v4l2_ctrl_request_complete fail

v4l2_m2m_buf_done is called in lat work queue, v4l2_ctrl_request_complete
is called in core queue. The request status of output queue will be set to
MEDIA_REQUEST_STATE_COMPLETE when v4l2_m2m_buf_done is called, leading to
output queue request complete fail. Must move v4l2_ctrl_request_complete
in front of v4l2_m2m_buf_done.

Patch 1 setting request complete before buffer done
Patch 2 change flush decode order when stream off
Patch 3 flush decoder before stream off
Patch 4 using input information to get vb2 buffer
Patch 5 store source vb2 buffer
Patch 6 replace v4l2_m2m_next_src_buf with v4l2_m2m_src_buf_remove
Patch 7 remove media request checking

---
compared with v3:
- fix flush decoder issue when userspace stream off capture queue firstly
- fluster test result same with v3

compared with v2:
- add patch 5/6/7 to fix decode again issue
- add fluster test result with mt8195 platform(same with no changed):
  1> ./fluster.py run -d GStreamer-VP8-V4L2SL-Gst1.0 -j1 -t 90
     VP8-TEST-VECTORS 59/61
  2> ./fluster.py run -d GStreamer-VP9-V4L2SL-Gst1.0 -j1 -t 90
     VP9-TEST-VECTORS 276/305
  3> ./fluster.py run -d GStreamer-AV1-V4L2SL-Gst1.0 -j1 -t 90
     AV1-TEST-VECTORS 237/239
  4> ./fluster.py run -d GStreamer-H.264-V4L2SL-Gst1.0 -j1 -t 90
     JVT-AVC_V1       95/135
  5> ./fluster.py run -d GStreamer-H.265-V4L2SL-Gst1.0 -j1 -t 90
     JCT-VC-HEVC_V1   142/147

compared with v1:
- add patch 2/3/4 to fix timing issue.
---
Yunfei Dong (7):
  media: mediatek: vcodec: setting request complete before buffer done
  media: mediatek: vcodec: change flush decode order when stream off
  media: mediatek: vcodec: flush decoder before stream off
  media: mediatek: vcodec: using input information to get vb2 buffer
  media: mediatek: vcodec: store source vb2 buffer
  media: mediatek: vcodec: replace v4l2_m2m_next_src_buf with
    v4l2_m2m_src_buf_remove
  media: mediatek: vcodec: remove media request checking

 .../mediatek/vcodec/decoder/mtk_vcodec_dec.c  | 44 ++++++++---------
 .../vcodec/decoder/mtk_vcodec_dec_drv.h       |  4 +-
 .../vcodec/decoder/mtk_vcodec_dec_stateless.c | 48 ++++++++++++++-----
 .../vcodec/decoder/vdec/vdec_av1_req_lat_if.c | 18 +++----
 .../decoder/vdec/vdec_h264_req_multi_if.c     |  4 +-
 .../decoder/vdec/vdec_hevc_req_multi_if.c     |  4 +-
 .../vcodec/decoder/vdec/vdec_vp9_req_lat_if.c | 19 ++++----
 .../mediatek/vcodec/decoder/vdec_msg_queue.h  |  4 +-
 8 files changed, 85 insertions(+), 60 deletions(-)

-- 
2.46.0