1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 88814fa2dfd2..212e22740fc1 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -179,13 +179,10 @@ static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector)
 {
         struct drm_device *dev = connector->dev;
         struct drm_i915_private *dev_priv = dev->dev_private;
-        u32 adpa, temp;
+        u32 adpa;
         bool ret;
 
-        temp = adpa = I915_READ(PCH_ADPA);
-
-        adpa &= ~ADPA_DAC_ENABLE;
-        I915_WRITE(PCH_ADPA, adpa);
+        adpa = I915_READ(PCH_ADPA);
 
         adpa &= ~ADPA_CRT_HOTPLUG_MASK;
 
@@ -212,8 +209,6 @@ static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector)
         else
                 ret = false;
 
-        /* restore origin register */
-        I915_WRITE(PCH_ADPA, temp);
         return ret;
 }