drm/amd/display: add dwb stere caps and version

add dwb stereo caps and ver for future use
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc_types.h

@@ -582,6 +582,7 @@ struct dc_info_packet_128 {
 	uint8_t hb3;
 	uint8_t sb[128];
 };
+
 #define DC_PLANE_UPDATE_TIMES_MAX 10
 
 struct dc_plane_flip_time {

drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h

@@ -38,6 +38,7 @@ enum dce_version;
 
 enum dwb_sw_version {
 	dwb_ver_1_0 = 1,
+	dwb_ver_2_0 = 2,
 };
 
 enum dwb_source {
@@ -112,8 +113,9 @@ struct dwb_caps {
 		unsigned int support_ogam	:1;
 		unsigned int support_wbscl	:1;
 		unsigned int support_ocsc	:1;
+		unsigned int support_stereo :1;
 	} caps;
-	unsigned int	 reserved2[10];	/* Reserved for future use, MUST BE 0. */
+	unsigned int	 reserved2[9];	/* Reserved for future use, MUST BE 0. */
 };
 
 struct dwbc {