diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index 48d1c81d441e..bf35a18bf5e7 100644
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -501,6 +501,7 @@ static void read_gmdid(struct xe_device *xe, enum xe_gmdid_type type, u32 *ver,
 			gt->info.type = XE_GT_TYPE_MAIN;
 		}
 
+		xe_gt_mmio_init(gt);
 		xe_guc_comm_init_early(&gt->uc.guc);
 
 		/* Don't bother with GMDID if failed to negotiate the GuC ABI */