drm/amd/display: adding new dc_update_surfaces_and_stream
Signed-off-by: Leon Elazar <leon.elazar@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 106addc..b1bff59 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -433,6 +433,35 @@ struct dc_stream {
/* TODO: CEA VIC */
};
+struct dc_stream_update {
+
+ struct rect src;
+
+ struct rect dst;
+
+};
+
+
+/*
+ * Setup stream attributes if no stream updates are provided
+ * there will be no impact on the stream parameters
+ *
+ * Set up surface attributes and associate to a stream
+ * The surfaces parameter is an absolute set of all surface active for the stream.
+ * If no surfaces are provided, the stream will be blanked; no memory read.
+ * Any flip related attribute changes must be done through this interface.
+ *
+ * After this call:
+ * Surfaces attributes are programmed and configured to be composed into stream.
+ * This does not trigger a flip. No surface address is programmed.
+ *
+ */
+
+void dc_update_surfaces_and_stream(struct dc *dc,
+ struct dc_surface_update *surface_updates, int surface_count,
+ const struct dc_stream *dc_stream,
+ struct dc_stream_update *stream_update);
+
/*
* Log the current stream state.
*/