linux/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2015 Etnaviv Project
 */

#include <drm/drm_file.h>
#include <linux/dma-fence-array.h>
#include <linux/file.h>
#include <linux/pm_runtime.h>
#include <linux/dma-resv.h>
#include <linux/sync_file.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>

#include "etnaviv_cmdbuf.h"
#include "etnaviv_drv.h"
#include "etnaviv_gpu.h"
#include "etnaviv_gem.h"
#include "etnaviv_perfmon.h"
#include "etnaviv_sched.h"

/*
 * Cmdstream submission:
 */

#define BO_INVALID_FLAGS …
/* make sure these don't conflict w/ ETNAVIV_SUBMIT_BO_x */
#define BO_LOCKED …
#define BO_PINNED …

static struct etnaviv_gem_submit *submit_create(struct drm_device *dev,
		struct etnaviv_gpu *gpu, size_t nr_bos, size_t nr_pmrs)
{ … }

static int submit_lookup_objects(struct etnaviv_gem_submit *submit,
	struct drm_file *file, struct drm_etnaviv_gem_submit_bo *submit_bos,
	unsigned nr_bos)
{ … }

static void submit_unlock_object(struct etnaviv_gem_submit *submit, int i)
{ … }

static int submit_lock_objects(struct etnaviv_gem_submit *submit,
		struct ww_acquire_ctx *ticket)
{ … }

static int submit_fence_sync(struct etnaviv_gem_submit *submit)
{ … }

static void submit_attach_object_fences(struct etnaviv_gem_submit *submit)
{ … }

static int submit_pin_objects(struct etnaviv_gem_submit *submit)
{ … }

static int submit_bo(struct etnaviv_gem_submit *submit, u32 idx,
	struct etnaviv_gem_submit_bo **bo)
{ … }

/* process the reloc's and patch up the cmdstream as needed: */
static int submit_reloc(struct etnaviv_gem_submit *submit, void *stream,
		u32 size, const struct drm_etnaviv_gem_submit_reloc *relocs,
		u32 nr_relocs)
{ … }

static int submit_perfmon_validate(struct etnaviv_gem_submit *submit,
		u32 exec_state, const struct drm_etnaviv_gem_submit_pmr *pmrs)
{ … }

static void submit_cleanup(struct kref *kref)
{ … }

void etnaviv_submit_put(struct etnaviv_gem_submit *submit)
{ … }

int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
		struct drm_file *file)
{ … }