diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_debugfs.c | 125 |
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 00000000000..c27f59da7f2 --- /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 |