diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ffac0b862ca5..9b74c37e4fa4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4178,7 +4178,7 @@ struct dbuf_slice_conf_entry {
  * as is from BSpec itself - that way it is at least easier
  * to compare, change and check.
  */
-static struct dbuf_slice_conf_entry icl_allowed_dbufs[] =
+static const struct dbuf_slice_conf_entry icl_allowed_dbufs[] =
 /* Autogenerated with igt/tools/intel_dbuf_map tool: */
 {
 	{
@@ -4240,7 +4240,7 @@ static struct dbuf_slice_conf_entry icl_allowed_dbufs[] =
  * as is from BSpec itself - that way it is at least easier
  * to compare, change and check.
  */
-static struct dbuf_slice_conf_entry tgl_allowed_dbufs[] =
+static const struct dbuf_slice_conf_entry tgl_allowed_dbufs[] =
 /* Autogenerated with igt/tools/intel_dbuf_map tool: */
 {
 	{