1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index efa8822f63d1..338570e61a1f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11447,6 +11447,11 @@ static void verify_wm_state(struct drm_crtc *crtc,
         skl_ddb_get_hw_state(dev_priv, &hw_ddb);
         sw_ddb = &dev_priv->wm.skl_hw.ddb;
 
+        if (INTEL_GEN(dev_priv) >= 11)
+                if (hw_ddb.enabled_slices != sw_ddb->enabled_slices)
+                        DRM_ERROR("mismatch in DBUF Slices (expected %u, got %u)\n",
+                                  sw_ddb->enabled_slices,
+                                  hw_ddb.enabled_slices);
         /* planes */
         for_each_universal_plane(dev_priv, pipe, plane) {
                 hw_plane_wm = &hw_wm.planes[plane];