drm/amd/display: Fix MPO exit and cursor issue.

Signed-off-by: Yongqiang Sun <yongqiang.sun@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>

drivers/gpu/drm/amd/display/dc/core/dc_stream.c

@@ -215,7 +215,7 @@ bool dc_stream_set_cursor_attributes(
 
 bool dc_stream_set_cursor_position(
 	const struct dc_stream *dc_stream,
-	const struct dc_cursor_position *position)
+	struct dc_cursor_position *position)
 {
 	int i;
 	struct core_stream *stream;
@@ -251,6 +251,9 @@ bool dc_stream_set_cursor_position(
 				.h_scale_ratio = pipe_ctx->scl_data.ratios.horz,
 			};
 
+			if (pipe_ctx->top_pipe && pipe_ctx->surface != pipe_ctx->top_pipe->surface)
+				position->enable = false;
+
 			ipp->funcs->ipp_cursor_set_position(ipp, position, &param);
 			ret = true;
 		}

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

@@ -744,7 +744,7 @@ bool dc_stream_set_cursor_attributes(
 
 bool dc_stream_set_cursor_position(
 	const struct dc_stream *stream,
-	const struct dc_cursor_position *position);
+	struct dc_cursor_position *position);
 
 /* Newer interfaces  */
 struct dc_cursor {