diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index b429acde4f71..7ff43967251e 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -138,6 +138,8 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node);
 #define MIPI_DSI_MODE_LPM		BIT(11)
 /* transmit data ending at the same time for all lanes within one hsync */
 #define MIPI_DSI_HS_PKT_END_ALIGNED	BIT(12)
+/* pack all DSC slices for a line into a single packet */
+#define MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT	BIT(13)
 
 enum mipi_dsi_pixel_format {
 	MIPI_DSI_FMT_RGB888,