drm/panelreplay: dpcd register definition for panelreplay SU

Add definitions for panel replay selective update

v2: Remove unnecessary Cc from commit message
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510093823.3146455-6-jouni.hogander@intel.com

include/drm/display/drm_dp.h

@@ -548,6 +548,12 @@
 # define DP_PANEL_REPLAY_SUPPORT            (1 << 0)
 # define DP_PANEL_REPLAY_SU_SUPPORT         (1 << 1)
 
+#define DP_PANEL_PANEL_REPLAY_CAPABILITY		0xb1
+# define DP_PANEL_PANEL_REPLAY_SU_GRANULARITY_REQUIRED	(1 << 5)
+
+#define DP_PANEL_PANEL_REPLAY_X_GRANULARITY		0xb2
+#define DP_PANEL_PANEL_REPLAY_Y_GRANULARITY		0xb4
+
 /* Link Configuration */
 #define	DP_LINK_BW_SET		            0x100
 # define DP_LINK_RATE_TABLE		    0x00    /* eDP 1.4 */