drm/i915/dp: use drm_edid_duplicate

v2: duplicate intel_connector->edid, not uninitialized edid (Dave Airlie).

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 9 deletions

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 605908df95d8..3575b86ca799 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2920,19 +2920,11 @@ intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
 
         /* use cached edid if we have one */
         if (intel_connector->edid) {
-                struct edid *edid;
-                int size;
-
                 /* invalid edid */
                 if (IS_ERR(intel_connector->edid))
                         return NULL;
 
-                size = (intel_connector->edid->extensions + 1) * EDID_LENGTH;
-                edid = kmemdup(intel_connector->edid, size, GFP_KERNEL);
-                if (!edid)
-                        return NULL;
-
-                return edid;
+                return drm_edid_duplicate(intel_connector->edid);
         }
 
         return drm_get_edid(connector, adapter);