diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index bc926ea..39b6d2d 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1395,10 +1395,6 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 		break;
 	}
 	atombios_apply_encoder_quirks(encoder, adjusted_mode);
-
-	/* XXX */
-	if (!ASIC_IS_DCE4(rdev))
-		r600_hdmi_setmode(encoder, adjusted_mode);
 }
 
 static bool