kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) Rockchip Electronics Co., Ltd.
 *
 * Author: Huang Lee <Putin.li@rock-chips.com>
 */
 
#ifndef __LINUX_RGA_FENCE_H_
#define __LINUX_RGA_FENCE_H_
 
struct rga_fence_context {
    unsigned int context;
    unsigned int seqno;
    spinlock_t spinlock;
};
 
struct rga_fence_waiter {
    /* Base sync driver waiter structure */
    struct dma_fence_cb waiter;
 
    void *private;
};
 
#ifdef CONFIG_ROCKCHIP_RGA_ASYNC
int rga_fence_context_init(struct rga_fence_context **ctx);
void rga_fence_context_remove(struct rga_fence_context **ctx);
 
struct dma_fence *rga_dma_fence_alloc(void);
int rga_dma_fence_get_fd(struct dma_fence *fence);
struct dma_fence *rga_get_dma_fence_from_fd(int fence_fd);
int rga_dma_fence_wait(struct dma_fence *fence);
int rga_dma_fence_add_callback(struct dma_fence *fence, dma_fence_func_t func, void *private);
 
 
static inline void rga_dma_fence_put(struct dma_fence *fence)
{
    if (fence)
        dma_fence_put(fence);
}
 
static inline void rga_dma_fence_signal(struct dma_fence *fence, int error)
{
    if (fence) {
        if (error != 0)
            dma_fence_set_error(fence, error);
        dma_fence_signal(fence);
    }
}
 
static inline int rga_dma_fence_get_status(struct dma_fence *fence)
{
    if (fence)
        return dma_fence_get_status(fence);
    else
        return 1;
}
 
#else
static inline struct dma_fence *rga_dma_fence_alloc(void)
{
    return NULL;
}
 
static inline int rga_dma_fence_get_fd(struct dma_fence *fence)
{
    return 0;
}
 
static inline struct dma_fence *rga_get_dma_fence_from_fd(int fence_fd)
{
    return NULL;
}
 
static inline int rga_dma_fence_wait(struct dma_fence *fence)
{
    return 0;
}
 
static inline int rga_dma_fence_add_callback(struct dma_fence *fence,
                         dma_fence_func_t func,
                         void *private)
{
    return 0;
}
 
static inline void rga_dma_fence_put(struct dma_fence *fence)
{
}
 
static inline void rga_dma_fence_signal(struct dma_fence *fence, int error)
{
}
 
static inline int rga_dma_fence_get_status(struct dma_fence *fence)
{
    return 0;
}
 
#endif /* #ifdef CONFIG_SYNC_FILE */
 
#endif /* __LINUX_RGA_FENCE_H_ */