drm/amd/display: add full update commit hint struct

In some cases we might need to do a full update. Add a commit_hints
struct for future use

Signed-off-by: Jun Lei <Jun.Lei@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/dc/core/dc.c

@@ -1143,6 +1143,8 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
 	for (i = 0; i < context->stream_count; i++)
 		context->streams[i]->mode_changed = false;
 
+	memset(&context->commit_hints, 0, sizeof(context->commit_hints));
+
 	dc_release_state(dc->current_state);
 
 	dc->current_state = context;

drivers/gpu/drm/amd/display/dc/inc/core_types.h

@@ -295,6 +295,10 @@ struct dc_state {
 
 	struct clk_mgr *dccg;
 
+	struct {
+		bool full_update_needed : 1;
+	} commit_hints;
+
 	struct kref refcount;
 };