drm: Remove struct drm_driver.gem_print_info

The .gem_print_info callback in struct drm_driver is obsolete and has
no users left. Remove it.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Suggested-by: Emil Velikov <[e-mail]>
Reviewed-by: Emil Velikov <[e-mail]>
Reviewed-by: Laurent Pinchart <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/drm_gem.c

···
 
 	if (obj->funcs && obj->funcs->print_info)
 		obj->funcs->print_info(p, indent, obj);
-	else if (obj->dev->driver->gem_print_info)
-		obj->dev->driver->gem_print_info(p, indent, obj);
 }
 
 int drm_gem_pin(struct drm_gem_object *obj)

include/drm/drm_drv.h

···
 	void (*gem_close_object) (struct drm_gem_object *, struct drm_file *);
 
 	/**
-	 * @gem_print_info:
-	 *
-	 * This callback is deprecated in favour of
-	 * &drm_gem_object_funcs.print_info.
-	 *
-	 * If driver subclasses struct &drm_gem_object, it can implement this
-	 * optional hook for printing additional driver specific info.
-	 *
-	 * drm_printf_indent() should be used in the callback passing it the
-	 * indent argument.
-	 *
-	 * This callback is called from drm_gem_print_info().
-	 */
-	void (*gem_print_info)(struct drm_printer *p, unsigned int indent,
-			       const struct drm_gem_object *obj);
-
-	/**
 	 * @gem_create_object: constructor for gem objects
 	 *
 	 * Hook for allocating the GEM object struct, for use by the CMA and