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/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd
* Author: YoungJun Cho <yj44.cho@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <drm/drmP.h>
#include <linux/debugfs.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_gem.h"
struct exynos_drm_debugfs_gem_info_data {
struct drm_file *filp;
struct seq_file *m;
};
static int exynos_drm_debugfs_gem_one_info(int id, void *ptr, void *data)
{
struct exynos_drm_debugfs_gem_info_data *gem_info_data =
(struct exynos_drm_debugfs_gem_info_data *)data;
struct drm_file *filp = gem_info_data->filp;
struct drm_exynos_file_private *file_priv = filp->driver_priv;
struct drm_gem_object *obj = (struct drm_gem_object *)ptr;
struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
struct exynos_drm_gem_buf *buf = exynos_gem_obj->buffer;
seq_printf(gem_info_data->m,
"%5d\t%5d\t%4d\t%4d\t%4d\t0x%08lx\t0x%x\t%4d\t%4d\t"
"%4d\t0x%p\n",
pid_nr(filp->pid),
file_priv->tgid,
id,
atomic_read(&obj->refcount.refcount),
obj->handle_count,
exynos_gem_obj->size,
exynos_gem_obj->flags,
buf->pfnmap,
obj->dma_buf ? 1 : 0,
obj->import_attach ? 1 : 0,
obj);
return 0;
}
static int exynos_drm_debugfs_gem_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
struct drm_minor *minor = node->minor;
struct drm_device *drm_dev = minor->dev;
struct exynos_drm_debugfs_gem_info_data gem_info_data;
struct drm_file *filp;
gem_info_data.m = m;
seq_puts(m, "pid\ttgid\thandle\tref_cnt\thdl_cnt\tsize\t\tflags\t"
"pfnmap\texport\timport\tobj_addr\n");
mutex_lock(&drm_dev->struct_mutex);
list_for_each_entry(filp, &drm_dev->filelist, lhead) {
gem_info_data.filp = filp;
spin_lock(&filp->table_lock);
idr_for_each(&filp->object_idr, exynos_drm_debugfs_gem_one_info,
&gem_info_data);
spin_unlock(&filp->table_lock);
}
mutex_unlock(&drm_dev->struct_mutex);
return 0;
}
static struct drm_info_list exynos_drm_debugfs_list[] = {
{"gem_info", exynos_drm_debugfs_gem_info, DRIVER_GEM},
};
#define EXYNOS_DRM_DEBUGFS_ENTRIES ARRAY_SIZE(exynos_drm_debugfs_list)
int exynos_drm_debugfs_init(struct drm_minor *minor)
{
return drm_debugfs_create_files(exynos_drm_debugfs_list,
EXYNOS_DRM_DEBUGFS_ENTRIES,
minor->debugfs_root, minor);
}
void exynos_drm_debugfs_cleanup(struct drm_minor *minor)
{
drm_debugfs_remove_files(exynos_drm_debugfs_list,
EXYNOS_DRM_DEBUGFS_ENTRIES, minor);
}
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