drm/amd/display: Only blank DCN when we have set_blank implementation

Also rename timing_generator to optc

Signed-off-by: Yue Hin Lau <[email protected]>
Reviewed-by: Eric Bernstein <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index a32c745..4c0aa56 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -28,6 +28,7 @@
 #include "dc_types.h"
 #include "clock_source.h"
 #include "inc/hw/timing_generator.h"
+#include "inc/hw/opp.h"
 #include "inc/hw/link_encoder.h"
 #include "core_status.h"