diff --git a/debian/changelog b/debian/changelog
index 3ca97cd63..8ed859c22 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -40,6 +40,8 @@ linux (4.19.3-1~exp1) UNRELEASED; urgency=medium
   * Enable Diffie-Hellman operations on retained keys (Closes: #911998)
   * Update patch features/all/lockdown/enable-cold-boot-attack-mitigation.patch,
     so it can be applied onto 4.19.2
+  * [x86] Enable DisplayPort CEC-Tunneling-over-AUX HDMI support
+    (Closes: #913199)
 
  -- Ben Hutchings <ben@decadent.org.uk>  Mon, 08 Oct 2018 18:45:06 +0100
 
diff --git a/debian/config/kernelarch-x86/config b/debian/config/kernelarch-x86/config
index f090dd42e..4d14cadc6 100644
--- a/debian/config/kernelarch-x86/config
+++ b/debian/config/kernelarch-x86/config
@@ -510,6 +510,7 @@ CONFIG_DRM_R128=m
 # CONFIG_DRM_I810 is not set
 CONFIG_DRM_MGA=m
 CONFIG_DRM_SIS=m
+CONFIG_DRM_DP_CEC=y
 
 ##
 ## file: drivers/gpu/drm/amd/acp/Kconfig