drm/tinydrm: Use drm_gem_cma_print_info()

There is a new core debugfs file that prints fb/gem info:
<debugfs>/dri/<n>/framebuffer

Use drm_gem_cma_print_info() to provide info to that output instead
of using drm_fb_cma_debugfs_show().

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/20171107191348.17555-12-noralf@tronnes.org

drivers/gpu/drm/tinydrm/mipi-dbi.c

@@ -961,10 +961,6 @@ static const struct file_operations mipi_dbi_debugfs_command_fops = {
 	.write = mipi_dbi_debugfs_command_write,
 };
 
-static const struct drm_info_list mipi_dbi_debugfs_list[] = {
-	{ "fb",   drm_fb_cma_debugfs_show, 0 },
-};
-
 /**
  * mipi_dbi_debugfs_init - Create debugfs entries
  * @minor: DRM minor
@@ -987,9 +983,7 @@ int mipi_dbi_debugfs_init(struct drm_minor *minor)
 	debugfs_create_file("command", mode, minor->debugfs_root, mipi,
 			    &mipi_dbi_debugfs_command_fops);
 
-	return drm_debugfs_create_files(mipi_dbi_debugfs_list,
-					ARRAY_SIZE(mipi_dbi_debugfs_list),
-					minor->debugfs_root, minor);
+	return 0;
 }
 EXPORT_SYMBOL(mipi_dbi_debugfs_init);
 

include/drm/tinydrm/tinydrm.h

@@ -46,6 +46,7 @@ pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
  */
 #define TINYDRM_GEM_DRIVER_OPS \
 	.gem_free_object	= tinydrm_gem_cma_free_object, \
+	.gem_print_info		= drm_gem_cma_print_info, \
 	.gem_vm_ops		= &drm_gem_cma_vm_ops, \
 	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
 	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \