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// SPDX-License-Identifier: GPL-2.0+
/* Copyright (C) 2017-2018 Broadcom */
#include "v3d_drv.h"
struct dma_fence *v3d_fence_create(struct v3d_dev *v3d, enum v3d_queue queue)
{
struct v3d_fence *fence;
fence = kzalloc(sizeof(*fence), GFP_KERNEL);
if (!fence)
return ERR_PTR(-ENOMEM);
fence->dev = &v3d->drm;
fence->queue = queue;
fence->seqno = ++v3d->queue[queue].emit_seqno;
dma_fence_init(&fence->base, &v3d_fence_ops, &v3d->job_lock,
v3d->queue[queue].fence_context, fence->seqno);
return &fence->base;
}
static const char *v3d_fence_get_driver_name(struct dma_fence *fence)
{
return "v3d";
}
static const char *v3d_fence_get_timeline_name(struct dma_fence *fence)
{
struct v3d_fence *f = to_v3d_fence(fence);
if (f->queue == V3D_BIN)
return "v3d-bin";
else
return "v3d-render";
}
static bool v3d_fence_enable_signaling(struct dma_fence *fence)
{
return true;
}
static bool v3d_fence_signaled(struct dma_fence *fence)
{
struct v3d_fence *f = to_v3d_fence(fence);
struct v3d_dev *v3d = to_v3d_dev(f->dev);
return v3d->queue[f->queue].finished_seqno >= f->seqno;
}
const struct dma_fence_ops v3d_fence_ops = {
.get_driver_name = v3d_fence_get_driver_name,
.get_timeline_name = v3d_fence_get_timeline_name,
.enable_signaling = v3d_fence_enable_signaling,
.signaled = v3d_fence_signaled,
.wait = dma_fence_default_wait,
.release = dma_fence_free,
};
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