Received-SPF: pass (google.com: domain of linux-kernel+bounces-158084-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Ming Qian <ming.qian@nxp.com>
To: mchehab@kernel.org,
	hverkuil-cisco@xs4all.nl
Cc: shawnguo@kernel.org,
	robh+dt@kernel.org,
	s.hauer@pengutronix.de,
	kernel@pengutronix.de,
	festevam@gmail.com,
	linux-imx@nxp.com,
	xiahong.bao@nxp.com,
	eagle.zhou@nxp.com,
	tao.jiang_2@nxp.com,
	ming.qian@oss.nxp.com,
	imx@lists.linux.dev,
	linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/3] media: amphion: Report the average QP of current encoded frame
Date: Thu, 25 Apr 2024 15:50:10 +0900
Message-ID: <20240425065011.105915-2-ming.qian@nxp.com>
In-Reply-To: <20240425065011.105915-1-ming.qian@nxp.com>
References: <20240425065011.105915-1-ming.qian@nxp.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0:
	=?us-ascii?Q?+aI73CGegqJ08xGflU/eQJ14I2H9/Z2rd1ThRoYSaBnbYregdOnJdjRc/a9p?=
 =?us-ascii?Q?D8miyVnoaY6suKXt+RXjyyrx44jR6U9cYGXYoBUNrA6XQujXQm/DsNHeYPUT?=
 =?us-ascii?Q?TU2mHAPOoFMPXtqDqeeJ6Rnt0inDg1Bl7dH1gVexON7pjR6ZhaBp/DMSl0v1?=
 =?us-ascii?Q?0lmCCJrw6QO0jsT/aEnLehJ2ziLlQ7YBCxuoBubyGiy1PVLfvGvF0F5ZEGbZ?=
 =?us-ascii?Q?z7YG5ApgkX5T7LL6vQTJZesTEVbdAY9f8KShoieYghBoJz6HuEsJ6xO5OCDw?=
 =?us-ascii?Q?7o+DVeVL3iqOj2/CVU2Ic2N6+oz2y65na8TLrLkbsJLhUBQnAexO8cf37Qwf?=
 =?us-ascii?Q?tsp7qxZlmZ1VIQPXZuVFpCNlePe7extfsrbv4EtiEUSqBb8o6wm7MXvq/zNe?=
 =?us-ascii?Q?ndlvTUC2j2KkznbtoeWYApQsI1HuF+bPX7ih+XS3RUqhgzwfoH5vhi9irc5D?=
 =?us-ascii?Q?vCxvNWLqDCi4IiVgTs63uuow8QyGsDleTYlAE8f0jfizSMP47Z1jsqmLifFE?=
 =?us-ascii?Q?0U4U7Oq+Vkh23AjX5Vuj71lQYZZOznXnlwvMBajeOqlT9rjS7Bh2tLUVf2yk?=
 =?us-ascii?Q?jBH/nol3qgeNKgAZ3e/5dAkjf638ILnD6IyXlZt61Fok3b4G4ww+wdfygvvV?=
 =?us-ascii?Q?dqydslY/382jm6XZQM36f4KjjxEDKzLbnz+ZnyqdDtttz2welPmEzwL53sFw?=
 =?us-ascii?Q?5Mq06K0COMkTXYUQFDaKgFnMQxVblAfHn0ScsCiZM4Ih3Cf1RWv3AYGFCaDl?=
 =?us-ascii?Q?qyVUN/LsvuCrIIMbo6EOZ5oGrW3zjCNr9s2JHt+HJmLfolXiJSnxL36WVkjt?=
 =?us-ascii?Q?Xo/QvwQDUMfbHL7HJPXjQlLmhn9EO7xkDJ7yfeD1WLKk+JygGY5s1eDMr75p?=
 =?us-ascii?Q?9tepWlATei/bH2wr5OYCDstfTTOH7PVXUTJqhSwEdcg6UNmVF+K1I/MG6lCo?=
 =?us-ascii?Q?QfhBhvMizgJFsepxQL2U3r2eJMt68grSfHQRAMM5argT5CHoiPfMoGVfZie4?=
 =?us-ascii?Q?JtQ4+gBFdtY4bSkRa+do0S8PcvRVAO2V1EPuKCpUY3L8esDxk91/ktE94Q1V?=
 =?us-ascii?Q?IrXzQw8+6Cv6X9g7gZzWtA13J/fyzFy7ukWlq4oZ7cGHHx7elRIuxcCcYCcQ?=
 =?us-ascii?Q?+tgWES1yIFOjbJWhL3a/OXepZUUWN2v/p4/NPC+AfSm5xHmjEAM0HhCcn2l3?=
 =?us-ascii?Q?GuFcNhPDht4tyen38Ug7SxjrkE02NYXHU35099/F658tXcWbQV8BWZYJHWzc?=
 =?us-ascii?Q?bRGWNzSVk+kftjaOXkjDDoAs7HslIDGMhPgfLPBgYGLIWEJS6DSNPxEZ7gA9?=
 =?us-ascii?Q?vWcaXCiPAAonDzMEXm0fEtPEjHktFcPZvmeyTE90o9XaJTSaVj2aW0gydbQI?=
 =?us-ascii?Q?V7Y91ySsqiO/8W7cpDLUl1g53ykkbxF6qoNj5oL6GxXaRZ/oyK5civGXnnNV?=
 =?us-ascii?Q?UQJA/bBPBcIwWFyqpJI22Rt1uJtn6p8nTmGZ4r76dt65S+cZVNc6V48YwgQb?=
 =?us-ascii?Q?Ll+9fWNXZjCkf3x4QRTbohXXgZDv/rGyPHTpjJ29DaWuMWVsYYDW6VicAo7O?=
 =?us-ascii?Q?qaXscyrzxtcUvzHUkugN6XapDEEu/sbQcspfvBUY?=
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-Network-Message-Id: aba0c73d-e875-4e67-0f5e-08dc64f404fb
X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB8254.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Apr 2024 06:50:39.9927
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: EPuDYc4seZGbU98uf9sPSYxZABeA3rzT7jt5m+mLcBKMOIOiTBFtqnTvBGv4RYXZavDECCmaYSBYWPAg372l/w==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR04MB9200

Report the average QP value of current encoded frame via the control
V4L2_CID_MPEG_VIDEO_AVERAGE_QP, the value applies to the last dequeued
capture buffer.

Signed-off-by: Ming Qian <ming.qian@nxp.com>
---
v2
 - drop the volatile flag

 drivers/media/platform/amphion/venc.c        |  4 ++++
 drivers/media/platform/amphion/vpu.h         |  1 +
 drivers/media/platform/amphion/vpu_defs.h    |  1 +
 drivers/media/platform/amphion/vpu_v4l2.c    | 16 ++++++++++++++++
 drivers/media/platform/amphion/vpu_v4l2.h    |  1 +
 drivers/media/platform/amphion/vpu_windsor.c |  2 ++
 6 files changed, 25 insertions(+)

diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c
index 4eb57d793a9c..cdfaba9d107b 100644
--- a/drivers/media/platform/amphion/venc.c
+++ b/drivers/media/platform/amphion/venc.c
@@ -680,6 +680,9 @@ static int venc_ctrl_init(struct vpu_inst *inst)
 			       ~(1 << V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME),
 			       V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
 
+	v4l2_ctrl_new_std(&inst->ctrl_handler, NULL,
+			  V4L2_CID_MPEG_VIDEO_AVERAGE_QP, 0, 51, 1, 0);
+
 	if (inst->ctrl_handler.error) {
 		ret = inst->ctrl_handler.error;
 		v4l2_ctrl_handler_free(&inst->ctrl_handler);
@@ -819,6 +822,7 @@ static int venc_get_one_encoded_frame(struct vpu_inst *inst,
 	vbuf->field = inst->cap_format.field;
 	vbuf->flags |= frame->info.pic_type;
 	vpu_set_buffer_state(vbuf, VPU_BUF_STATE_IDLE);
+	vpu_set_buffer_average_qp(vbuf, frame->info.average_qp);
 	dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, vbuf->vb2_buf.timestamp);
 	v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
 	venc->ready_count++;
diff --git a/drivers/media/platform/amphion/vpu.h b/drivers/media/platform/amphion/vpu.h
index 0246cf0ac3a8..22f0da26ccec 100644
--- a/drivers/media/platform/amphion/vpu.h
+++ b/drivers/media/platform/amphion/vpu.h
@@ -306,6 +306,7 @@ struct vpu_vb2_buffer {
 	dma_addr_t chroma_v;
 	unsigned int state;
 	u32 tag;
+	u32 average_qp;
 };
 
 void vpu_writel(struct vpu_dev *vpu, u32 reg, u32 val);
diff --git a/drivers/media/platform/amphion/vpu_defs.h b/drivers/media/platform/amphion/vpu_defs.h
index 7320852668d6..428d988cf2f7 100644
--- a/drivers/media/platform/amphion/vpu_defs.h
+++ b/drivers/media/platform/amphion/vpu_defs.h
@@ -114,6 +114,7 @@ struct vpu_enc_pic_info {
 	u32 wptr;
 	u32 crc;
 	s64 timestamp;
+	u32 average_qp;
 };
 
 struct vpu_dec_codec_info {
diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index c88738e8fff7..83db57bc80b7 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -63,6 +63,13 @@ unsigned int vpu_get_buffer_state(struct vb2_v4l2_buffer *vbuf)
 	return vpu_buf->state;
 }
 
+void vpu_set_buffer_average_qp(struct vb2_v4l2_buffer *vbuf, u32 qp)
+{
+	struct vpu_vb2_buffer *vpu_buf = to_vpu_vb2_buffer(vbuf);
+
+	vpu_buf->average_qp = qp;
+}
+
 void vpu_v4l2_set_error(struct vpu_inst *inst)
 {
 	vpu_inst_lock(inst);
@@ -539,6 +546,15 @@ static void vpu_vb2_buf_finish(struct vb2_buffer *vb)
 	struct vpu_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
 	struct vb2_queue *q = vb->vb2_queue;
 
+	if (V4L2_TYPE_IS_CAPTURE(vb->type)) {
+		struct vpu_vb2_buffer *vpu_buf = to_vpu_vb2_buffer(vbuf);
+		struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&inst->ctrl_handler,
+							V4L2_CID_MPEG_VIDEO_AVERAGE_QP);
+
+		if (ctrl)
+			v4l2_ctrl_s_ctrl(ctrl, vpu_buf->average_qp);
+	}
+
 	if (vbuf->flags & V4L2_BUF_FLAG_LAST)
 		vpu_notify_eos(inst);
 
diff --git a/drivers/media/platform/amphion/vpu_v4l2.h b/drivers/media/platform/amphion/vpu_v4l2.h
index 60f43056a7a2..56f2939fa84d 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.h
+++ b/drivers/media/platform/amphion/vpu_v4l2.h
@@ -12,6 +12,7 @@ void vpu_inst_lock(struct vpu_inst *inst);
 void vpu_inst_unlock(struct vpu_inst *inst);
 void vpu_set_buffer_state(struct vb2_v4l2_buffer *vbuf, unsigned int state);
 unsigned int vpu_get_buffer_state(struct vb2_v4l2_buffer *vbuf);
+void vpu_set_buffer_average_qp(struct vb2_v4l2_buffer *vbuf, u32 qp);
 
 int vpu_v4l2_open(struct file *file, struct vpu_inst *inst);
 int vpu_v4l2_close(struct file *file);
diff --git a/drivers/media/platform/amphion/vpu_windsor.c b/drivers/media/platform/amphion/vpu_windsor.c
index 5f1101d7cf9e..e7d37aa4b826 100644
--- a/drivers/media/platform/amphion/vpu_windsor.c
+++ b/drivers/media/platform/amphion/vpu_windsor.c
@@ -499,6 +499,7 @@ struct windsor_pic_info {
 	u32 proc_dacc_rng_wr_cnt;
 	s32 tv_s;
 	u32 tv_ns;
+	u32 average_qp;
 };
 
 u32 vpu_windsor_get_data_size(void)
@@ -734,6 +735,7 @@ static void vpu_windsor_unpack_pic_info(struct vpu_rpc_event *pkt, void *data)
 	info->wptr = get_ptr(windsor->str_buff_wptr);
 	info->crc = windsor->frame_crc;
 	info->timestamp = timespec64_to_ns(&ts);
+	info->average_qp = windsor->average_qp;
 }
 
 static void vpu_windsor_unpack_mem_req(struct vpu_rpc_event *pkt, void *data)
-- 
2.43.0-rc1