diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c6c70b755a79..1ba15af2be09 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5311,6 +5311,7 @@
 #define GAMMA_MODE(pipe) _MMIO_PIPE(pipe, _GAMMA_MODE_A, _GAMMA_MODE_B)
 #define  PRE_CSC_GAMMA_ENABLE			REG_BIT(31) /* icl+ */
 #define  POST_CSC_GAMMA_ENABLE			REG_BIT(30) /* icl+ */
+#define  PALETTE_ANTICOL_DISABLE		REG_BIT(15) /* skl+ */
 #define  GAMMA_MODE_MODE_MASK			REG_GENMASK(1, 0)
 #define  GAMMA_MODE_MODE_8BIT			REG_FIELD_PREP(GAMMA_MODE_MODE_MASK, 0)
 #define  GAMMA_MODE_MODE_10BIT			REG_FIELD_PREP(GAMMA_MODE_MODE_MASK, 1)