1 files changed, 125 insertions, 0 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
new file mode 100644
index 000000000000..c27f59da7f29
--- /dev/null
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -0,0 +1,125 @@
+/*
+ * drivers/gpu/drm/omapdrm/omap_debugfs.c
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob.clark@linaro.org>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "omap_drv.h"
+#include "omap_dmm_tiler.h"
+
+#include "drm_fb_helper.h"
+
+
+#ifdef CONFIG_DEBUG_FS
+
+static int gem_show(struct seq_file *m, void *arg)
+{
+        struct drm_info_node *node = (struct drm_info_node *) m->private;
+        struct drm_device *dev = node->minor->dev;
+        struct omap_drm_private *priv = dev->dev_private;
+        int ret;
+
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
+
+        seq_printf(m, "All Objects:\n");
+        omap_gem_describe_objects(&priv->obj_list, m);
+
+        mutex_unlock(&dev->struct_mutex);
+
+        return 0;
+}
+
+static int mm_show(struct seq_file *m, void *arg)
+{
+        struct drm_info_node *node = (struct drm_info_node *) m->private;
+        struct drm_device *dev = node->minor->dev;
+        return drm_mm_dump_table(m, dev->mm_private);
+}
+
+static int fb_show(struct seq_file *m, void *arg)
+{
+        struct drm_info_node *node = (struct drm_info_node *) m->private;
+        struct drm_device *dev = node->minor->dev;
+        struct omap_drm_private *priv = dev->dev_private;
+        struct drm_framebuffer *fb;
+
+        seq_printf(m, "fbcon ");
+        omap_framebuffer_describe(priv->fbdev->fb, m);
+
+        mutex_lock(&dev->mode_config.fb_lock);
+        list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+                if (fb == priv->fbdev->fb)
+                        continue;
+
+                seq_printf(m, "user ");
+                omap_framebuffer_describe(fb, m);
+        }
+        mutex_unlock(&dev->mode_config.fb_lock);
+
+        return 0;
+}
+
+/* list of debufs files that are applicable to all devices */
+static struct drm_info_list omap_debugfs_list[] = {
+        {"gem", gem_show, 0},
+        {"mm", mm_show, 0},
+        {"fb", fb_show, 0},
+};
+
+/* list of debugfs files that are specific to devices with dmm/tiler */
+static struct drm_info_list omap_dmm_debugfs_list[] = {
+        {"tiler_map", tiler_map_show, 0},
+};
+
+int omap_debugfs_init(struct drm_minor *minor)
+{
+        struct drm_device *dev = minor->dev;
+        int ret;
+
+        ret = drm_debugfs_create_files(omap_debugfs_list,
+                        ARRAY_SIZE(omap_debugfs_list),
+                        minor->debugfs_root, minor);
+
+        if (ret) {
+                dev_err(dev->dev, "could not install omap_debugfs_list\n");
+                return ret;
+        }
+
+        if (dmm_is_available())
+                ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
+                                ARRAY_SIZE(omap_dmm_debugfs_list),
+                                minor->debugfs_root, minor);
+
+        if (ret) {
+                dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
+                return ret;
+        }
+
+        return ret;
+}
+
+void omap_debugfs_cleanup(struct drm_minor *minor)
+{
+        drm_debugfs_remove_files(omap_debugfs_list,
+                        ARRAY_SIZE(omap_debugfs_list), minor);
+        if (dmm_is_available())
+                drm_debugfs_remove_files(omap_dmm_debugfs_list,
+                                ARRAY_SIZE(omap_dmm_debugfs_list), minor);
+}
+
+#endif