drm/framebuffer: Add framebuffer debugfs file
Add debugfs file that dumps info about the framebuffers and its planes.
Also dump info about any connected gem object(s).
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-5-noralf@tronnes.org
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index fbc3f30..430ce3f 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -106,6 +106,8 @@ int drm_gem_open_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
+void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
+ const struct drm_gem_object *obj);
/* drm_debugfs.c drm_debugfs_crc.c */
#if defined(CONFIG_DEBUG_FS)
@@ -173,3 +175,8 @@ int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_private);
int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_private);
+
+/* drm_framebuffer.c */
+void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
+ const struct drm_framebuffer *fb);
+int drm_framebuffer_debugfs_init(struct drm_minor *minor);