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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/media/platform/rockchip/isp/isp_params.c
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@@ -146,11 +146,12 @@
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 	struct rkisp_buffer *params_buf = to_rkisp_buffer(vbuf);
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 	struct vb2_queue *vq = vb->vb2_queue;
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 	struct rkisp_isp_params_vdev *params_vdev = vq->drv_priv;
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+	struct rkisp_device *dev = params_vdev->dev;
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 	void *first_param;
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 	unsigned long flags;
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 	unsigned int cur_frame_id = -1;
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-	cur_frame_id = atomic_read(&params_vdev->dev->isp_sdev.frm_sync_seq) - 1;
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+	cur_frame_id = atomic_read(&dev->isp_sdev.frm_sync_seq) - 1;
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 	if (params_vdev->first_params) {
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 		first_param = vb2_plane_vaddr(vb, 0);
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 		params_vdev->ops->save_first_param(params_vdev, first_param);
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@@ -159,16 +160,22 @@
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 		vb2_buffer_done(&params_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
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 		params_vdev->first_params = false;
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 		wake_up(&params_vdev->dev->sync_onoff);
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-		if (params_vdev->dev->is_first_double) {
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-			dev_info(params_vdev->dev->dev, "first params for fast\n");
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-			params_vdev->dev->is_first_double = false;
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-			rkisp_trigger_read_back(params_vdev->dev, false, false, false);
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+		if (dev->is_first_double) {
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+			dev_info(dev->dev, "first params for fast\n");
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+			dev->is_first_double = false;
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+			dev->sw_rd_cnt = 0;
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+			if (dev->hw_dev->unite == ISP_UNITE_ONE) {
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+				dev->unite_index = ISP_UNITE_LEFT;
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+				dev->sw_rd_cnt += dev->hw_dev->is_multi_overflow ? 3 : 1;
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+			}
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+			params_vdev->rdbk_times = dev->sw_rd_cnt + 1;
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+			rkisp_trigger_read_back(dev, false, false, false);
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 		}
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-		dev_info(params_vdev->dev->dev, "first params buf queue\n");
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+		dev_info(dev->dev, "first params buf queue\n");
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 		return;
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 	}
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-	if (params_vdev->dev->procfs.mode &
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+	if (dev->procfs.mode &
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 	    (RKISP_PROCFS_FIL_AIQ | RKISP_PROCFS_FIL_SW)) {
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 		vb2_buffer_done(&params_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
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 		return;
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@@ -208,9 +215,7 @@
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 			break;
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 		}
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-		if (buf)
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-			vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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-		buf = NULL;
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+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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 	}
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 	if (params_vdev->cur_buf) {
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@@ -284,10 +289,21 @@
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 	return ret;
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 }
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291
 
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+static __poll_t rkisp_params_fop_poll(struct file *file, poll_table *wait)
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+{
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+	struct video_device *vdev = video_devdata(file);
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+
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+	/* buf done or subscribe event */
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+	if (vdev->queue->owner == file->private_data)
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+		return vb2_fop_poll(file, wait);
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+	else
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+		return v4l2_ctrl_poll(file, wait);
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+}
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+
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 struct v4l2_file_operations rkisp_params_fops = {
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 	.mmap = vb2_fop_mmap,
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 	.unlocked_ioctl = video_ioctl2,
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-	.poll = vb2_fop_poll,
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+	.poll = rkisp_params_fop_poll,
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 	.open = rkisp_params_fh_open,
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 	.release = rkisp_params_fop_release
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 };
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@@ -395,8 +411,7 @@
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 		    stream->out_isp_fmt.fmt_type == FMT_RGB)
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 			rkisp_unite_set_bits(dev, ISP3X_MI_WR_CTRL, mask,
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 					     quantization == V4L2_QUANTIZATION_FULL_RANGE ?
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-					     mask : 0,
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-					     false, dev->hw_dev->is_unite);
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+					     mask : 0, false);
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 		dev->isp_sdev.quantization = quantization;
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 	}
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 }