diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index f638dd8f6c20..b53762f74251 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -226,18 +226,6 @@ dw_hdmi_rockchip_mode_valid(struct dw_hdmi *dw_hdmi, void *data,
 	return MODE_OK;
 }
 
-static void dw_hdmi_rockchip_encoder_disable(struct drm_encoder *encoder)
-{
-}
-
-static bool
-dw_hdmi_rockchip_encoder_mode_fixup(struct drm_encoder *encoder,
-				    const struct drm_display_mode *mode,
-				    struct drm_display_mode *adj_mode)
-{
-	return true;
-}
-
 static void dw_hdmi_rockchip_encoder_mode_set(struct drm_encoder *encoder,
 					      struct drm_display_mode *mode,
 					      struct drm_display_mode *adj_mode)
@@ -290,10 +278,8 @@ dw_hdmi_rockchip_encoder_atomic_check(struct drm_encoder *encoder,
 }
 
 static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_funcs = {
-	.mode_fixup = dw_hdmi_rockchip_encoder_mode_fixup,
-	.mode_set   = dw_hdmi_rockchip_encoder_mode_set,
-	.enable     = dw_hdmi_rockchip_encoder_enable,
-	.disable    = dw_hdmi_rockchip_encoder_disable,
+	.mode_set = dw_hdmi_rockchip_encoder_mode_set,
+	.enable = dw_hdmi_rockchip_encoder_enable,
 	.atomic_check = dw_hdmi_rockchip_encoder_atomic_check,
 };