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[media] v4l: vsp1: Release buffers at stream stop
videobuf2 expects no buffer to be owned by the driver when the stop_stream queue operation returns. As the vsp1 driver fails to do so, a warning is generated at stream top time. Fix this by releasing all buffers queued on the IRQ queue in the stop_stream operation handler and marking them as erroneous. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -742,6 +742,7 @@ static void vsp1_video_stop_streaming(struct vb2_queue *vq)
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{
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{
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struct vsp1_video *video = vb2_get_drv_priv(vq);
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struct vsp1_video *video = vb2_get_drv_priv(vq);
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struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity);
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struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity);
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struct vsp1_video_buffer *buffer;
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unsigned long flags;
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unsigned long flags;
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int ret;
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int ret;
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@ -759,6 +760,8 @@ static void vsp1_video_stop_streaming(struct vb2_queue *vq)
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/* Remove all buffers from the IRQ queue. */
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/* Remove all buffers from the IRQ queue. */
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spin_lock_irqsave(&video->irqlock, flags);
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spin_lock_irqsave(&video->irqlock, flags);
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list_for_each_entry(buffer, &video->irqqueue, queue)
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vb2_buffer_done(&buffer->buf, VB2_BUF_STATE_ERROR);
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INIT_LIST_HEAD(&video->irqqueue);
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INIT_LIST_HEAD(&video->irqqueue);
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spin_unlock_irqrestore(&video->irqlock, flags);
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spin_unlock_irqrestore(&video->irqlock, flags);
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}
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}
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