diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
index 5b065e1cd4e4..f183e0d4b2ba 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -652,7 +652,8 @@ void intel_vblank_evade_init(const struct intel_crtc_state *old_crtc_state,
 	 */
 	if (intel_color_uses_dsb(new_crtc_state) ||
 	    new_crtc_state->update_m_n || new_crtc_state->update_lrr)
-		evade->min -= adjusted_mode->crtc_vblank_start - adjusted_mode->crtc_vdisplay;
+		evade->min -= intel_mode_vblank_start(adjusted_mode) -
+			intel_mode_vdisplay(adjusted_mode);
 }
 
 /* must be called with vblank interrupt already enabled! */