drm/nouveau: Unset the EDID connector property when the EDID block goes away.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 3dc7e09da286..8da35281a0c3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -239,8 +239,12 @@ nouveau_connector_detect(struct drm_connector *connector)
                 return connector_status_connected;
         }
 
-        kfree(nv_connector->edid);
-        nv_connector->edid = NULL;
+        /* Cleanup the previous EDID block. */
+        if (nv_connector->edid) {
+                drm_mode_connector_update_edid_property(connector, NULL);
+                kfree(nv_connector->edid);
+                nv_connector->edid = NULL;
+        }
 
         i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
         if (i2c) {