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path: root/drivers/gpu/drm/i915/intel_crt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c9
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 88814fa2dfd..212e22740fc 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;
}