diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 362f483f8ab2d45a5396b4a9b65f31397787bcd6..c866379a521bcab0fc2913ff7a99bf5656e94967 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2953,7 +2953,7 @@ enum i915_power_well_id {
 #define GEN11_GT_VEBOX_VDBOX_DISABLE	_MMIO(0x9140)
 #define   GEN11_GT_VDBOX_DISABLE_MASK	0xff
 #define   GEN11_GT_VEBOX_DISABLE_SHIFT	16
-#define   GEN11_GT_VEBOX_DISABLE_MASK	(0xff << GEN11_GT_VEBOX_DISABLE_SHIFT)
+#define   GEN11_GT_VEBOX_DISABLE_MASK	(0x0f << GEN11_GT_VEBOX_DISABLE_SHIFT)
 
 #define GEN11_EU_DISABLE _MMIO(0x9134)
 #define GEN11_EU_DIS_MASK 0xFF