1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index 579d2f570717..47cd1b20fb3e 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -300,7 +300,8 @@ static void chv_exec_gpio(struct drm_i915_private *dev_priv,
         mutex_lock(&dev_priv->sb_lock);
         vlv_iosf_sb_write(dev_priv, port, cfg1, 0);
         vlv_iosf_sb_write(dev_priv, port, cfg0,
-                          CHV_GPIO_GPIOCFG_GPO | CHV_GPIO_GPIOTXSTATE(value));
+                          CHV_GPIO_GPIOEN | CHV_GPIO_GPIOCFG_GPO |
+                          CHV_GPIO_GPIOTXSTATE(value));
         mutex_unlock(&dev_priv->sb_lock);
 }