diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 0c8786ebffd1..c07950fecae2 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3057,6 +3057,7 @@ static const struct drm_display_mode rocktech_rk101ii01d_ct_mode = {
 
 static const struct panel_desc rocktech_rk101ii01d_ct = {
 	.modes = &rocktech_rk101ii01d_ct_mode,
+	.bpc = 8,
 	.num_modes = 1,
 	.size = {
 		.width = 217,