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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a0cdac5610
Instead of embedding pipelines in the vsp1_video objects allocate them on demand when they are needed. This fixes the streamon race condition where pipelines objects from different video nodes could be used for the same pipeline. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
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* vsp1_video.h -- R-Car VSP1 Video Node
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*
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* Copyright (C) 2013-2015 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __VSP1_VIDEO_H__
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#define __VSP1_VIDEO_H__
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <media/videobuf2-v4l2.h>
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#include "vsp1_rwpf.h"
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struct vsp1_vb2_buffer {
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struct vb2_v4l2_buffer buf;
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struct list_head queue;
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struct vsp1_rwpf_memory mem;
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};
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static inline struct vsp1_vb2_buffer *
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to_vsp1_vb2_buffer(struct vb2_v4l2_buffer *vbuf)
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{
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return container_of(vbuf, struct vsp1_vb2_buffer, buf);
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}
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struct vsp1_video {
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struct list_head list;
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struct vsp1_device *vsp1;
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struct vsp1_rwpf *rwpf;
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struct video_device video;
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enum v4l2_buf_type type;
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struct media_pad pad;
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struct mutex lock;
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unsigned int pipe_index;
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struct vb2_queue queue;
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void *alloc_ctx;
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spinlock_t irqlock;
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struct list_head irqqueue;
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unsigned int sequence;
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};
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static inline struct vsp1_video *to_vsp1_video(struct video_device *vdev)
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{
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return container_of(vdev, struct vsp1_video, video);
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}
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struct vsp1_video *vsp1_video_create(struct vsp1_device *vsp1,
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struct vsp1_rwpf *rwpf);
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void vsp1_video_cleanup(struct vsp1_video *video);
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#endif /* __VSP1_VIDEO_H__ */
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