2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index b9a277c726cb..ffb9ebbbcf5a 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -215,6 +215,7 @@ struct intel_gvt_mmio {
 #define F_UNALIGN       (1 << 6)
 
         DECLARE_HASHTABLE(mmio_info_table, INTEL_GVT_MMIO_HASH_BITS);
+        unsigned int num_tracked_mmio;
 };
 
 struct intel_gvt_firmware {
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 8ba7cf5fe185..eb3dc1525404 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -124,6 +124,7 @@ static int new_mmio_info(struct intel_gvt *gvt,
                 gvt->mmio.mmio_attribute[info->offset / 4] = flags;
                 INIT_HLIST_NODE(&info->node);
                 hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
+                gvt->mmio.num_tracked_mmio++;
         }
         return 0;
 }
@@ -2931,6 +2932,9 @@ int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
                 if (ret)
                         goto err;
         }
+
+        gvt_dbg_mmio("traced %u virtual mmio registers\n",
+                     gvt->mmio.num_tracked_mmio);
         return 0;
 err:
         intel_gvt_clean_mmio_info(gvt);