diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 88dd4c1a4c881..58614f81c0963 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3183,8 +3183,7 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
 
 	lpt_program_iclkip(crtc);
 
-	/* set transcoder timing, panel must allow it */
-	assert_panel_unlocked(dev_priv, pipe);
+	/* Set transcoder timing. */
 	I915_WRITE(TRANS_HTOTAL(pipe), I915_READ(HTOTAL(pipe)));
 	I915_WRITE(TRANS_HBLANK(pipe), I915_READ(HBLANK(pipe)));
 	I915_WRITE(TRANS_HSYNC(pipe),  I915_READ(HSYNC(pipe)));