diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
index 162eb44dcba8961cb2120aff13ee5090df0aed18..30e928d627e8f9966f30f076408a27434e004dbf 100644
--- a/drivers/gpu/drm/tiny/simpledrm.c
+++ b/drivers/gpu/drm/tiny/simpledrm.c
@@ -739,7 +739,7 @@ static struct simpledrm_device *simpledrm_device_create(struct drm_driver *drv,
 	dev->mode_config.max_width = max_width;
 	dev->mode_config.min_height = height;
 	dev->mode_config.max_height = max_height;
-	dev->mode_config.preferred_depth = format->cpp[0] * 8;
+	dev->mode_config.preferred_depth = format->depth;
 	dev->mode_config.funcs = &simpledrm_mode_config_funcs;
 
 	/* Primary plane */
@@ -834,7 +834,7 @@ static int simpledrm_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	drm_fbdev_generic_setup(dev, 0);
+	drm_fbdev_generic_setup(dev, drm_format_info_bpp(sdev->format, 0));
 
 	return 0;
 }