Merge "media/dvb: Deregister dma buffers fom shmbridge"

// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.

 */

#include <linux/init.h>

	return ret;

}

/*

 * CR-2864017: Deregister dma buffers from shmbridge here, because

 * mpq_sdmx_destroy_shm_bridge_callback will not be called if the OMX

 * application does't release buffers but reuse them even after switching

 * PES filters.

 */

static void mpq_dmx_dmabuf_unmap(struct sg_table *sgt,

		struct dma_buf_attachment *attach,

		struct dma_buf *dmabuf)

{

	int ret = 0;

	uint64_t handle = 0;

	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);

	dma_buf_detach(dmabuf, attach);

	handle = (uint64_t)dmabuf->dtor_data;

	MPQ_DVB_DBG_PRINT("%s: to destroy shm bridge %lld\n",

			__func__, handle);

	ret = qtee_shmbridge_deregister(handle);

	if (ret) {

		MPQ_DVB_ERR_PRINT("%s: failed to destroy shm bridge %lld\n",

				__func__, handle);

	}

	dma_buf_set_destructor(dmabuf, NULL, NULL);

	dma_buf_put(dmabuf);

}