drm/amd/display: add dsc_passthrough_support bit in dpcd struct

Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/include/dpcd_structs.h

@@ -34,9 +34,9 @@ struct dpcd_dsc_basic_capabilities {
 		struct {
 			// Byte 0
 			struct {
-
-				unsigned char dsc_support				:1; // Bit0
-				unsigned char reserved					:7;
+				unsigned char dsc_support		:1; // Bit0
+				unsigned char dsc_passthrough_support	:1; // Bit1
+				unsigned char reserved			:6;
 			} dsc_support;
 
 			// Byte 1