diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index eed594bd38d35f..b05e7dec985ec0 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -40,7 +40,7 @@
 
 #define CDN_FW_TIMEOUT_MS	(64 * 1000)
 #define CDN_DPCD_TIMEOUT_MS	5000
-#define CDN_DP_FIRMWARE		"rockchip/dptx.bin"
+#define CDN_DP_FIRMWARE		"rockchip/dptx.alt.bin"
 
 struct cdn_dp_data {
 	u8 max_phy;