drm/amd/display: Check cursor address before program.

Program cursor attributes during set mode is only needed
in case of pipe slipt, bottom pipe should be programmed
same as top pipe. Need to program if address is 0.
Signed-off-by: NYongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: NTony Cheng <Tony.Cheng@amd.com>
Acked-by: NHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -2436,7 +2436,8 @@ static void program_all_pipe_in_tree(
 		/* TODO: this is a hack w/a for switching from mpo to pipe split */
 		dc_stream_set_cursor_position(pipe_ctx->stream, &position);
 
-		dc_stream_set_cursor_attributes(pipe_ctx->stream,
+		if (pipe_ctx->stream->cursor_attributes.address.quad_part != 0)
+			dc_stream_set_cursor_attributes(pipe_ctx->stream,
 				&pipe_ctx->stream->cursor_attributes);
 
 		if (cur_pipe_ctx->plane_state != pipe_ctx->plane_state) {