diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c
index da1135fa7cda..c60d1e548800 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.c
+++ b/drivers/gpu/drm/i915/gvt/mmio.c
@@ -58,7 +58,7 @@ int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa)
 }
 
 #define reg_is_mmio(gvt, reg)  \
-	(reg >= 0 && reg < gvt->device_info.mmio_size)
+	(reg < gvt->device_info.mmio_size)
 
 #define reg_is_gtt(gvt, reg)   \
 	(reg >= gvt->device_info.gtt_start_offset \