drm/i915: Define skl+ universal plane SURFLIVE registers

Add the definitions for the skl+ univerals plane SURFLIVE
registers. Despite not being used for anything real
these came in suprisingly handy during some DSB debugging
recently, so having the defines around can be useful.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230314130255.23273-6-ville.syrjala@linux.intel.comReviewed-by: Jouni Högander <jouni.hogander@intel.com>

drivers/gpu/drm/i915/i915_reg.h

@@ -4592,6 +4592,8 @@
 #define _PLANE_KEYMAX_1_A			0x701a0
 #define _PLANE_KEYMAX_2_A			0x702a0
 #define  PLANE_KEYMAX_ALPHA(a)			((a) << 24)
+#define _PLANE_SURFLIVE_1_A			0x701ac
+#define _PLANE_SURFLIVE_2_A			0x702ac
 #define _PLANE_CC_VAL_1_A			0x701b4
 #define _PLANE_CC_VAL_2_A			0x702b4
 #define _PLANE_AUX_DIST_1_A			0x701c0
@@ -4776,6 +4778,13 @@
 #define PLANE_KEYMAX(pipe, plane)	\
 	_MMIO_PLANE(plane, _PLANE_KEYMAX_1(pipe), _PLANE_KEYMAX_2(pipe))
 
+#define _PLANE_SURFLIVE_1_B			0x711ac
+#define _PLANE_SURFLIVE_2_B			0x712ac
+#define _PLANE_SURFLIVE_1(pipe)	_PIPE(pipe, _PLANE_SURFLIVE_1_A, _PLANE_SURFLIVE_1_B)
+#define _PLANE_SURFLIVE_2(pipe)	_PIPE(pipe, _PLANE_SURFLIVE_2_A, _PLANE_SURFLIVE_2_B)
+#define PLANE_SURFLIVE(pipe, plane)	\
+	_MMIO_PLANE(plane, _PLANE_SURFLIVE_1(pipe), _PLANE_SURFLIVE_2(pipe))
+
 #define _PLANE_BUF_CFG_1_B			0x7127c
 #define _PLANE_BUF_CFG_2_B			0x7137c
 /* skl+: 10 bits, icl+ 11 bits, adlp+ 12 bits */