diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane_regs.h b/drivers/gpu/drm/i915/display/skl_universal_plane_regs.h
index 7c944d3ca855..6f815b231340 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane_regs.h
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane_regs.h
@@ -324,7 +324,7 @@
 #define   PLANE_WM_IGNORE_LINES			REG_BIT(30)
 #define   PLANE_WM_AUTO_MIN_ALLOC_EN		REG_BIT(29)
 #define   PLANE_WM_LINES_MASK			REG_GENMASK(26, 14)
-#define   PLANE_WM_BLOCKS_MASK			REG_GENMASK(11, 0)
+#define   PLANE_WM_BLOCKS_MASK			REG_GENMASK(12, 0)
 
 #define _PLANE_WM_SAGV_1_A			0x70258
 #define _PLANE_WM_SAGV_1_B			0x71258
@@ -375,10 +375,10 @@
 							_PLANE_BUF_CFG_1_A, _PLANE_BUF_CFG_1_B, \
 							_PLANE_BUF_CFG_2_A, _PLANE_BUF_CFG_2_B)
 
-/* skl+: 10 bits, icl+ 11 bits, adlp+ 12 bits */
-#define   PLANE_BUF_END_MASK			REG_GENMASK(27, 16)
+/* skl+: 10 bits, icl+ 11 bits, adlp+ 12 bits, xe3p_lpd 13 bits */
+#define   PLANE_BUF_END_MASK			REG_GENMASK(28, 16)
 #define   PLANE_BUF_END(end)			REG_FIELD_PREP(PLANE_BUF_END_MASK, (end))
-#define   PLANE_BUF_START_MASK			REG_GENMASK(11, 0)
+#define   PLANE_BUF_START_MASK			REG_GENMASK(12, 0)
 #define   PLANE_BUF_START(start)		REG_FIELD_PREP(PLANE_BUF_START_MASK, (start))
 
 #define _PLANE_MIN_BUF_CFG_1_A			0x70274
@@ -389,9 +389,9 @@
 							_PLANE_MIN_BUF_CFG_1_A, _PLANE_MIN_BUF_CFG_1_B, \
 							_PLANE_MIN_BUF_CFG_2_A, _PLANE_MIN_BUF_CFG_2_B)
 #define	  PLANE_AUTO_MIN_DBUF_EN		REG_BIT(31)
-#define	  PLANE_MIN_DBUF_BLOCKS_MASK		REG_GENMASK(27, 16)
+#define	  PLANE_MIN_DBUF_BLOCKS_MASK		REG_GENMASK(28, 16)
 #define	  PLANE_MIN_DBUF_BLOCKS(val)		REG_FIELD_PREP(PLANE_MIN_DBUF_BLOCKS_MASK, (val))
-#define	  PLANE_INTERIM_DBUF_BLOCKS_MASK	REG_GENMASK(11, 0)
+#define	  PLANE_INTERIM_DBUF_BLOCKS_MASK	REG_GENMASK(12, 0)
 #define	  PLANE_INTERIM_DBUF_BLOCKS(val)	REG_FIELD_PREP(PLANE_INTERIM_DBUF_BLOCKS_MASK, (val))
 
 /* tgl+ */