diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1a9ca1e..135e8d8 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4680,6 +4680,13 @@
 #define   TGL_DFSM_PIPE_D_DISABLE	(1 << 22)
 #define   GLK_DFSM_DISPLAY_DSC_DISABLE	(1 << 7)
 
+#define XE2LPD_DE_CAP			_MMIO(0x41100)
+#define   XE2LPD_DE_CAP_3DLUT_MASK	REG_GENMASK(31, 30)
+#define   XE2LPD_DE_CAP_DSC_MASK	REG_GENMASK(29, 28)
+#define   XE2LPD_DE_CAP_DSC_REMOVED	1
+#define   XE2LPD_DE_CAP_SCALER_MASK	REG_GENMASK(27, 26)
+#define   XE2LPD_DE_CAP_SCALER_SINGLE	1
+
 #define SKL_DSSM				_MMIO(0x51004)
 #define ICL_DSSM_CDCLK_PLL_REFCLK_MASK		(7 << 29)
 #define ICL_DSSM_CDCLK_PLL_REFCLK_24MHz		(0 << 29)