diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_debugfs.c | 96 |
1 files changed, 96 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 0000000000..a3d470468e --- /dev/null +++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ + * Author: Rob Clark <rob.clark@linaro.org> + */ + +#include <linux/seq_file.h> + +#include <drm/drm_crtc.h> +#include <drm/drm_debugfs.h> +#include <drm/drm_file.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_framebuffer.h> + +#include "omap_drv.h" +#include "omap_dmm_tiler.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; + + seq_printf(m, "All Objects:\n"); + mutex_lock(&priv->list_lock); + omap_gem_describe_objects(&priv->obj_list, m); + mutex_unlock(&priv->list_lock); + + 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; + struct drm_printer p = drm_seq_file_printer(m); + + drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); + + return 0; +} + +#ifdef CONFIG_DRM_FBDEV_EMULATION +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 drm_fb_helper *helper = dev->fb_helper; + struct drm_framebuffer *fb; + + seq_printf(m, "fbcon "); + omap_framebuffer_describe(helper->fb, m); + + mutex_lock(&dev->mode_config.fb_lock); + list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + if (fb == helper->fb) + continue; + + seq_printf(m, "user "); + omap_framebuffer_describe(fb, m); + } + mutex_unlock(&dev->mode_config.fb_lock); + + return 0; +} +#endif + +/* 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}, +#ifdef CONFIG_DRM_FBDEV_EMULATION + {"fb", fb_show, 0}, +#endif +}; + +/* 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}, +}; + +void omap_debugfs_init(struct drm_minor *minor) +{ + drm_debugfs_create_files(omap_debugfs_list, + ARRAY_SIZE(omap_debugfs_list), + minor->debugfs_root, minor); + + if (dmm_is_available()) + drm_debugfs_create_files(omap_dmm_debugfs_list, + ARRAY_SIZE(omap_dmm_debugfs_list), + minor->debugfs_root, minor); +} + +#endif |