drm/amd/display: Program cursor regs after context swapped.

Cursor is abnormal after pipe_ctx is changed in context.
Cause: cursor attributes is programmed right after front end
programming, but it use old pipe_ctx to program which is not
updated yet.
Solution:
Program cursor regs after context swapped.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1992,22 +1992,9 @@ static void dcn10_apply_ctx_for_surface(
 		}
 	}
 
-	if (num_planes > 0) {
+	if (num_planes > 0)
 		program_all_pipe_in_tree(dc, top_pipe_to_program, context);
 
-		/* TODO: this is a hack w/a for switching from mpo to pipe split */
-		if (stream->cursor_attributes.address.quad_part != 0) {
-			struct dc_cursor_position position = { 0 };
-
-			dc_stream_set_cursor_position(
-				(struct dc_stream_state *)stream,
-				&position);
-			dc_stream_set_cursor_attributes(
-				(struct dc_stream_state *)stream,
-				&stream->cursor_attributes);
-		}
-	}
-
 	tg->funcs->unlock(tg);
 
 	if (num_planes == 0)