lineage-rockchip/android_external_minigbm
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add dma-heap.h to external

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and use it instead of system headers

Bug: 411474910
Test: mm ccdec in system/cros-codecs
Change-Id: I7a58acaa610e1678a379a4c28886938075e39037
This commit is contained in:
Dominik Behr 2025-05-08 15:31:03 -07:00
parent 07dac8aaa3
commit 60aa3a0304
2 changed files with 56 additions and 3 deletions
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53
external/dma-heap.h vendored Normal file
View file

@ -0,0 +1,53 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* DMABUF Heaps Userspace API
*
* Copyright (C) 2011 Google, Inc.
* Copyright (C) 2019 Linaro Ltd.
*/
#ifndef _UAPI_LINUX_DMABUF_POOL_H
#define _UAPI_LINUX_DMABUF_POOL_H
#include <linux/ioctl.h>
#include <linux/types.h>
/**
* DOC: DMABUF Heaps Userspace API
*/
/* Valid FD_FLAGS are O_CLOEXEC, O_RDONLY, O_WRONLY, O_RDWR */
#define DMA_HEAP_VALID_FD_FLAGS (O_CLOEXEC | O_ACCMODE)
/* Currently no heap flags */
#define DMA_HEAP_VALID_HEAP_FLAGS (0ULL)
/**
* struct dma_heap_allocation_data - metadata passed from userspace for
* allocations
* @len: size of the allocation
* @fd: will be populated with a fd which provides the
* handle to the allocated dma-buf
* @fd_flags: file descriptor flags used when allocating
* @heap_flags: flags passed to heap
*
* Provided by userspace as an argument to the ioctl
*/
struct dma_heap_allocation_data {
__u64 len;
__u32 fd;
__u32 fd_flags;
__u64 heap_flags;
};
#define DMA_HEAP_IOC_MAGIC 'H'
/**
* DOC: DMA_HEAP_IOCTL_ALLOC - allocate memory from pool
*
* Takes a dma_heap_allocation_data struct and returns it with the fd field
* populated with the dmabuf handle of the allocation.
*/
#define DMA_HEAP_IOCTL_ALLOC _IOWR(DMA_HEAP_IOC_MAGIC, 0x0,\
struct dma_heap_allocation_data)
#endif /* _UAPI_LINUX_DMABUF_POOL_H */

6
mediatek.c
View file

@ -10,9 +10,6 @@
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#if !defined(ANDROID) || (ANDROID_API_LEVEL >= 31 && defined(HAS_DMABUF_SYSTEM_HEAP))
#include <linux/dma-heap.h>
#endif
#include <poll.h>
#include <stdio.h>
#include <string.h>
@ -20,6 +17,9 @@
#include <sys/mman.h>
#include <unistd.h>
#include <xf86drm.h>
#if !defined(ANDROID) || (ANDROID_API_LEVEL >= 31 && defined(HAS_DMABUF_SYSTEM_HEAP))
#include "external/dma-heap.h"
#endif
#include "external/mediatek_drm.h"
// clang-format on