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path: root/drivers/gpu/drm/exynos/exynos_drm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_debugfs.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_debugfs.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_debugfs.c b/drivers/gpu/drm/exynos/exynos_drm_debugfs.c
new file mode 100644
index 00000000000..ad65c7b91de
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_debugfs.c
@@ -0,0 +1,93 @@
+/*
+ * 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);
+}