linux/drivers/gpu/host1x/hw/channel_hw.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Tegra host1x Channel
 *
 * Copyright (c) 2010-2013, NVIDIA Corporation.
 */

#include <linux/host1x.h>
#include <linux/iommu.h>
#include <linux/slab.h>

#include <trace/events/host1x.h>

#include "../channel.h"
#include "../dev.h"
#include "../intr.h"
#include "../job.h"

#define TRACE_MAX_LENGTH …

static void trace_write_gather(struct host1x_cdma *cdma, struct host1x_bo *bo,
			       u32 offset, u32 words)
{ … }

static void submit_wait(struct host1x_job *job, u32 id, u32 threshold,
			u32 next_class)
{ … }

static void submit_gathers(struct host1x_job *job, u32 job_syncpt_base)
{ … }

static inline void synchronize_syncpt_base(struct host1x_job *job)
{ … }

static void host1x_channel_set_streamid(struct host1x_channel *channel)
{ … }

static void host1x_enable_gather_filter(struct host1x_channel *ch)
{ … }

static void channel_program_cdma(struct host1x_job *job)
{ … }

static void job_complete_callback(struct dma_fence *fence, struct dma_fence_cb *cb)
{ … }

static int channel_submit(struct host1x_job *job)
{ … }

static int host1x_channel_init(struct host1x_channel *ch, struct host1x *dev,
			       unsigned int index)
{ … }

static const struct host1x_channel_ops host1x_channel_ops = …;