1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ab8162afb4a7..445fdafc131f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3736,6 +3736,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                         if (dev_priv->lvds_dither) {
                                 if (HAS_PCH_SPLIT(dev)) {
                                         pipeconf |= PIPE_ENABLE_DITHER;
+                                        pipeconf &= ~PIPE_DITHER_TYPE_MASK;
                                         pipeconf |= PIPE_DITHER_TYPE_ST01;
                                 } else
                                         lvds |= LVDS_ENABLE_DITHER;